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1 /**
2  * @preserve
3  * FullCalendar v1.5.3
4  * http://arshaw.com/fullcalendar/
5  *
6  * Use fullcalendar.css for basic styling.
7  * For event drag & drop, requires jQuery UI draggable.
8  * For event resizing, requires jQuery UI resizable.
9  *
10  * Copyright (c) 2011 Adam Shaw
11  * Dual licensed under the MIT and GPL licenses, located in
12  * MIT-LICENSE.txt and GPL-LICENSE.txt respectively.
13  *
14  * Date: Mon Feb 6 22:40:40 2012 -0800
15  *
16  */
17  
18 (function($, undefined) {
19
20
21 var defaults = {
22
23         // display
24         defaultView: 'month',
25         aspectRatio: 1.35,
26         header: {
27                 left: 'title',
28                 center: '',
29                 right: 'today prev,next'
30         },
31         weekends: true,
32         
33         // editing
34         //editable: false,
35         //disableDragging: false,
36         //disableResizing: false,
37         
38         allDayDefault: true,
39         ignoreTimezone: true,
40         
41         // event ajax
42         lazyFetching: true,
43         startParam: 'start',
44         endParam: 'end',
45         
46         // time formats
47         titleFormat: {
48                 month: 'MMMM yyyy',
49                 week: "MMM d[ yyyy]{ '—'[ MMM] d yyyy}",
50                 day: 'dddd, MMM d, yyyy'
51         },
52         columnFormat: {
53                 month: 'ddd',
54                 week: 'ddd M/d',
55                 day: 'dddd M/d'
56         },
57         timeFormat: { // for event elements
58                 '': 'h(:mm)t' // default
59         },
60         
61         // locale
62         isRTL: false,
63         firstDay: 0,
64         monthNames: ['January','February','March','April','May','June','July','August','September','October','November','December'],
65         monthNamesShort: ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'],
66         dayNames: ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'],
67         dayNamesShort: ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'],
68         buttonText: {
69                 prev: ' ◄ ',
70                 next: ' ► ',
71                 prevYear: ' << ',
72                 nextYear: ' >> ',
73                 today: 'today',
74                 month: 'month',
75                 week: 'week',
76                 day: 'day'
77         },
78         
79         // jquery-ui theming
80         theme: false,
81         buttonIcons: {
82                 prev: 'circle-triangle-w',
83                 next: 'circle-triangle-e'
84         },
85         
86         //selectable: false,
87         unselectAuto: true,
88         
89         dropAccept: '*'
90         
91 };
92
93 // right-to-left defaults
94 var rtlDefaults = {
95         header: {
96                 left: 'next,prev today',
97                 center: '',
98                 right: 'title'
99         },
100         buttonText: {
101                 prev: ' ► ',
102                 next: ' ◄ ',
103                 prevYear: ' >> ',
104                 nextYear: ' << '
105         },
106         buttonIcons: {
107                 prev: 'circle-triangle-e',
108                 next: 'circle-triangle-w'
109         }
110 };
111
112
113
114 var fc = $.fullCalendar = { version: "1.5.3" };
115 var fcViews = fc.views = {};
116
117
118 $.fn.fullCalendar = function(options) {
119
120
121         // method calling
122         if (typeof options == 'string') {
123                 var args = Array.prototype.slice.call(arguments, 1);
124                 var res;
125                 this.each(function() {
126                         var calendar = $.data(this, 'fullCalendar');
127                         if (calendar && $.isFunction(calendar[options])) {
128                                 var r = calendar[options].apply(calendar, args);
129                                 if (res === undefined) {
130                                         res = r;
131                                 }
132                                 if (options == 'destroy') {
133                                         $.removeData(this, 'fullCalendar');
134                                 }
135                         }
136                 });
137                 if (res !== undefined) {
138                         return res;
139                 }
140                 return this;
141         }
142         
143         
144         // would like to have this logic in EventManager, but needs to happen before options are recursively extended
145         var eventSources = options.eventSources || [];
146         delete options.eventSources;
147         if (options.events) {
148                 eventSources.push(options.events);
149                 delete options.events;
150         }
151         
152
153         options = $.extend(true, {},
154                 defaults,
155                 (options.isRTL || options.isRTL===undefined && defaults.isRTL) ? rtlDefaults : {},
156                 options
157         );
158         
159         
160         this.each(function(i, _element) {
161                 var element = $(_element);
162                 var calendar = new Calendar(element, options, eventSources);
163                 element.data('fullCalendar', calendar); // TODO: look into memory leak implications
164                 calendar.render();
165         });
166         
167         
168         return this;
169         
170 };
171
172
173 // function for adding/overriding defaults
174 function setDefaults(d) {
175         $.extend(true, defaults, d);
176 }
177
178
179
180  
181 function Calendar(element, options, eventSources) {
182         var t = this;
183         
184         
185         // exports
186         t.options = options;
187         t.render = render;
188         t.destroy = destroy;
189         t.refetchEvents = refetchEvents;
190         t.reportEvents = reportEvents;
191         t.reportEventChange = reportEventChange;
192         t.rerenderEvents = rerenderEvents;
193         t.changeView = changeView;
194         t.select = select;
195         t.unselect = unselect;
196         t.prev = prev;
197         t.next = next;
198         t.prevYear = prevYear;
199         t.nextYear = nextYear;
200         t.today = today;
201         t.gotoDate = gotoDate;
202         t.incrementDate = incrementDate;
203         t.formatDate = function(format, date) { return formatDate(format, date, options) };
204         t.formatDates = function(format, date1, date2) { return formatDates(format, date1, date2, options) };
205         t.getDate = getDate;
206         t.getView = getView;
207         t.option = option;
208         t.trigger = trigger;
209         
210         
211         // imports
212         EventManager.call(t, options, eventSources);
213         var isFetchNeeded = t.isFetchNeeded;
214         var fetchEvents = t.fetchEvents;
215         
216         
217         // locals
218         var _element = element[0];
219         var header;
220         var headerElement;
221         var content;
222         var tm; // for making theme classes
223         var currentView;
224         var viewInstances = {};
225         var elementOuterWidth;
226         var suggestedViewHeight;
227         var absoluteViewElement;
228         var resizeUID = 0;
229         var ignoreWindowResize = 0;
230         var date = new Date();
231         var events = [];
232         var _dragElement;
233         
234         
235         
236         /* Main Rendering
237         -----------------------------------------------------------------------------*/
238         
239         
240         setYMD(date, options.year, options.month, options.date);
241         
242         
243         function render(inc) {
244                 if (!content) {
245                         initialRender();
246                 }else{
247                         calcSize();
248                         markSizesDirty();
249                         markEventsDirty();
250                         renderView(inc);
251                 }
252         }
253         
254         
255         function initialRender() {
256                 tm = options.theme ? 'ui' : 'fc';
257                 element.addClass('fc');
258                 if (options.isRTL) {
259                         element.addClass('fc-rtl');
260                 }
261                 if (options.theme) {
262                         element.addClass('ui-widget');
263                 }
264                 content = $("<div class='fc-content' style='position:relative'/>")
265                         .prependTo(element);
266                 header = new Header(t, options);
267                 headerElement = header.render();
268                 if (headerElement) {
269                         element.prepend(headerElement);
270                 }
271                 changeView(options.defaultView);
272                 $(window).resize(windowResize);
273                 // needed for IE in a 0x0 iframe, b/c when it is resized, never triggers a windowResize
274                 if (!bodyVisible()) {
275                         lateRender();
276                 }
277         }
278         
279         
280         // called when we know the calendar couldn't be rendered when it was initialized,
281         // but we think it's ready now
282         function lateRender() {
283                 setTimeout(function() { // IE7 needs this so dimensions are calculated correctly
284                         if (!currentView.start && bodyVisible()) { // !currentView.start makes sure this never happens more than once
285                                 renderView();
286                         }
287                 },0);
288         }
289         
290         
291         function destroy() {
292                 $(window).unbind('resize', windowResize);
293                 header.destroy();
294                 content.remove();
295                 element.removeClass('fc fc-rtl ui-widget');
296         }
297         
298         
299         
300         function elementVisible() {
301                 return _element.offsetWidth !== 0;
302         }
303         
304         
305         function bodyVisible() {
306                 return $('body')[0].offsetWidth !== 0;
307         }
308         
309         
310         
311         /* View Rendering
312         -----------------------------------------------------------------------------*/
313         
314         // TODO: improve view switching (still weird transition in IE, and FF has whiteout problem)
315         
316         function changeView(newViewName) {
317                 if (!currentView || newViewName != currentView.name) {
318                         ignoreWindowResize++; // because setMinHeight might change the height before render (and subsequently setSize) is reached
319
320                         unselect();
321                         
322                         var oldView = currentView;
323                         var newViewElement;
324                                 
325                         if (oldView) {
326                                 (oldView.beforeHide || noop)(); // called before changing min-height. if called after, scroll state is reset (in Opera)
327                                 setMinHeight(content, content.height());
328                                 oldView.element.hide();
329                         }else{
330                                 setMinHeight(content, 1); // needs to be 1 (not 0) for IE7, or else view dimensions miscalculated
331                         }
332                         content.css('overflow', 'hidden');
333                         
334                         currentView = viewInstances[newViewName];
335                         if (currentView) {
336                                 currentView.element.show();
337                         }else{
338                                 currentView = viewInstances[newViewName] = new fcViews[newViewName](
339                                         newViewElement = absoluteViewElement =
340                                                 $("<div class='fc-view fc-view-" + newViewName + "' style='position:absolute'/>")
341                                                         .appendTo(content),
342                                         t // the calendar object
343                                 );
344                         }
345                         
346                         if (oldView) {
347                                 header.deactivateButton(oldView.name);
348                         }
349                         header.activateButton(newViewName);
350                         
351                         renderView(); // after height has been set, will make absoluteViewElement's position=relative, then set to null
352                         
353                         content.css('overflow', '');
354                         if (oldView) {
355                                 setMinHeight(content, 1);
356                         }
357                         
358                         if (!newViewElement) {
359                                 (currentView.afterShow || noop)(); // called after setting min-height/overflow, so in final scroll state (for Opera)
360                         }
361                         
362                         ignoreWindowResize--;
363                 }
364         }
365         
366         
367         
368         function renderView(inc) {
369                 if (elementVisible()) {
370                         ignoreWindowResize++; // because renderEvents might temporarily change the height before setSize is reached
371
372                         unselect();
373                         
374                         if (suggestedViewHeight === undefined) {
375                                 calcSize();
376                         }
377                         
378                         var forceEventRender = false;
379                         if (!currentView.start || inc || date < currentView.start || date >= currentView.end) {
380                                 // view must render an entire new date range (and refetch/render events)
381                                 currentView.render(date, inc || 0); // responsible for clearing events
382                                 setSize(true);
383                                 forceEventRender = true;
384                         }
385                         else if (currentView.sizeDirty) {
386                                 // view must resize (and rerender events)
387                                 currentView.clearEvents();
388                                 setSize();
389                                 forceEventRender = true;
390                         }
391                         else if (currentView.eventsDirty) {
392                                 currentView.clearEvents();
393                                 forceEventRender = true;
394                         }
395                         currentView.sizeDirty = false;
396                         currentView.eventsDirty = false;
397                         updateEvents(forceEventRender);
398                         
399                         elementOuterWidth = element.outerWidth();
400                         
401                         header.updateTitle(currentView.title);
402                         var today = new Date();
403                         if (today >= currentView.start && today < currentView.end) {
404                                 header.disableButton('today');
405                         }else{
406                                 header.enableButton('today');
407                         }
408                         
409                         ignoreWindowResize--;
410                         currentView.trigger('viewDisplay', _element);
411                 }
412         }
413         
414         
415         
416         /* Resizing
417         -----------------------------------------------------------------------------*/
418         
419         
420         function updateSize() {
421                 markSizesDirty();
422                 if (elementVisible()) {
423                         calcSize();
424                         setSize();
425                         unselect();
426                         currentView.clearEvents();
427                         currentView.renderEvents(events);
428                         currentView.sizeDirty = false;
429                 }
430         }
431         
432         
433         function markSizesDirty() {
434                 $.each(viewInstances, function(i, inst) {
435                         inst.sizeDirty = true;
436                 });
437         }
438         
439         
440         function calcSize() {
441                 if (options.contentHeight) {
442                         suggestedViewHeight = options.contentHeight;
443                 }
444                 else if (options.height) {
445                         suggestedViewHeight = options.height - (headerElement ? headerElement.height() : 0) - vsides(content);
446                 }
447                 else {
448                         suggestedViewHeight = Math.round(content.width() / Math.max(options.aspectRatio, .5));
449                 }
450         }
451         
452         
453         function setSize(dateChanged) { // todo: dateChanged?
454                 ignoreWindowResize++;
455                 currentView.setHeight(suggestedViewHeight, dateChanged);
456                 if (absoluteViewElement) {
457                         absoluteViewElement.css('position', 'relative');
458                         absoluteViewElement = null;
459                 }
460                 currentView.setWidth(content.width(), dateChanged);
461                 ignoreWindowResize--;
462         }
463         
464         
465         function windowResize() {
466                 if (!ignoreWindowResize) {
467                         if (currentView.start) { // view has already been rendered
468                                 var uid = ++resizeUID;
469                                 setTimeout(function() { // add a delay
470                                         if (uid == resizeUID && !ignoreWindowResize && elementVisible()) {
471                                                 if (elementOuterWidth != (elementOuterWidth = element.outerWidth())) {
472                                                         ignoreWindowResize++; // in case the windowResize callback changes the height
473                                                         updateSize();
474                                                         currentView.trigger('windowResize', _element);
475                                                         ignoreWindowResize--;
476                                                 }
477                                         }
478                                 }, 200);
479                         }else{
480                                 // calendar must have been initialized in a 0x0 iframe that has just been resized
481                                 lateRender();
482                         }
483                 }
484         }
485         
486         
487         
488         /* Event Fetching/Rendering
489         -----------------------------------------------------------------------------*/
490         
491         
492         // fetches events if necessary, rerenders events if necessary (or if forced)
493         function updateEvents(forceRender) {
494                 if (!options.lazyFetching || isFetchNeeded(currentView.visStart, currentView.visEnd)) {
495                         refetchEvents();
496                 }
497                 else if (forceRender) {
498                         rerenderEvents();
499                 }
500         }
501         
502         
503         function refetchEvents() {
504                 fetchEvents(currentView.visStart, currentView.visEnd); // will call reportEvents
505         }
506         
507         
508         // called when event data arrives
509         function reportEvents(_events) {
510                 events = _events;
511                 rerenderEvents();
512         }
513         
514         
515         // called when a single event's data has been changed
516         function reportEventChange(eventID) {
517                 rerenderEvents(eventID);
518         }
519         
520         
521         // attempts to rerenderEvents
522         function rerenderEvents(modifiedEventID) {
523                 markEventsDirty();
524                 if (elementVisible()) {
525                         currentView.clearEvents();
526                         currentView.renderEvents(events, modifiedEventID);
527                         currentView.eventsDirty = false;
528                 }
529         }
530         
531         
532         function markEventsDirty() {
533                 $.each(viewInstances, function(i, inst) {
534                         inst.eventsDirty = true;
535                 });
536         }
537         
538
539
540         /* Selection
541         -----------------------------------------------------------------------------*/
542         
543
544         function select(start, end, allDay) {
545                 currentView.select(start, end, allDay===undefined ? true : allDay);
546         }
547         
548
549         function unselect() { // safe to be called before renderView
550                 if (currentView) {
551                         currentView.unselect();
552                 }
553         }
554         
555         
556         
557         /* Date
558         -----------------------------------------------------------------------------*/
559         
560         
561         function prev() {
562                 renderView(-1);
563         }
564         
565         
566         function next() {
567                 renderView(1);
568         }
569         
570         
571         function prevYear() {
572                 addYears(date, -1);
573                 renderView();
574         }
575         
576         
577         function nextYear() {
578                 addYears(date, 1);
579                 renderView();
580         }
581         
582         
583         function today() {
584                 date = new Date();
585                 renderView();
586         }
587         
588         
589         function gotoDate(year, month, dateOfMonth) {
590                 if (year instanceof Date) {
591                         date = cloneDate(year); // provided 1 argument, a Date
592                 }else{
593                         setYMD(date, year, month, dateOfMonth);
594                 }
595                 renderView();
596         }
597         
598         
599         function incrementDate(years, months, days) {
600                 if (years !== undefined) {
601                         addYears(date, years);
602                 }
603                 if (months !== undefined) {
604                         addMonths(date, months);
605                 }
606                 if (days !== undefined) {
607                         addDays(date, days);
608                 }
609                 renderView();
610         }
611         
612         
613         function getDate() {
614                 return cloneDate(date);
615         }
616         
617         
618         
619         /* Misc
620         -----------------------------------------------------------------------------*/
621         
622         
623         function getView() {
624                 return currentView;
625         }
626         
627         
628         function option(name, value) {
629                 if (value === undefined) {
630                         return options[name];
631                 }
632                 if (name == 'height' || name == 'contentHeight' || name == 'aspectRatio') {
633                         options[name] = value;
634                         updateSize();
635                 }
636         }
637         
638         
639         function trigger(name, thisObj) {
640                 if (options[name]) {
641                         return options[name].apply(
642                                 thisObj || _element,
643                                 Array.prototype.slice.call(arguments, 2)
644                         );
645                 }
646         }
647         
648         
649         
650         /* External Dragging
651         ------------------------------------------------------------------------*/
652         
653         if (options.droppable) {
654                 $(document)
655                         .bind('dragstart', function(ev, ui) {
656                                 var _e = ev.target;
657                                 var e = $(_e);
658                                 if (!e.parents('.fc').length) { // not already inside a calendar
659                                         var accept = options.dropAccept;
660                                         if ($.isFunction(accept) ? accept.call(_e, e) : e.is(accept)) {
661                                                 _dragElement = _e;
662                                                 currentView.dragStart(_dragElement, ev, ui);
663                                         }
664                                 }
665                         })
666                         .bind('dragstop', function(ev, ui) {
667                                 if (_dragElement) {
668                                         currentView.dragStop(_dragElement, ev, ui);
669                                         _dragElement = null;
670                                 }
671                         });
672         }
673         
674
675 }
676
677 function Header(calendar, options) {
678         var t = this;
679         
680         
681         // exports
682         t.render = render;
683         t.destroy = destroy;
684         t.updateTitle = updateTitle;
685         t.activateButton = activateButton;
686         t.deactivateButton = deactivateButton;
687         t.disableButton = disableButton;
688         t.enableButton = enableButton;
689         
690         
691         // locals
692         var element = $([]);
693         var tm;
694         
695
696
697         function render() {
698                 tm = options.theme ? 'ui' : 'fc';
699                 var sections = options.header;
700                 if (sections) {
701                         element = $("<table class='fc-header' style='width:100%'/>")
702                                 .append(
703                                         $("<tr/>")
704                                                 .append(renderSection('left'))
705                                                 .append(renderSection('center'))
706                                                 .append(renderSection('right'))
707                                 );
708                         return element;
709                 }
710         }
711         
712         
713         function destroy() {
714                 element.remove();
715         }
716         
717         
718         function renderSection(position) {
719                 var e = $("<td class='fc-header-" + position + "'/>");
720                 var buttonStr = options.header[position];
721                 if (buttonStr) {
722                         $.each(buttonStr.split(' '), function(i) {
723                                 if (i > 0) {
724                                         e.append("<span class='fc-header-space'/>");
725                                 }
726                                 var prevButton;
727                                 $.each(this.split(','), function(j, buttonName) {
728                                         if (buttonName == 'title') {
729                                                 e.append("<span class='fc-header-title'><h2>&nbsp;</h2></span>");
730                                                 if (prevButton) {
731                                                         prevButton.addClass(tm + '-corner-right');
732                                                 }
733                                                 prevButton = null;
734                                         }else{
735                                                 var buttonClick;
736                                                 if (calendar[buttonName]) {
737                                                         buttonClick = calendar[buttonName]; // calendar method
738                                                 }
739                                                 else if (fcViews[buttonName]) {
740                                                         buttonClick = function() {
741                                                                 button.removeClass(tm + '-state-hover'); // forget why
742                                                                 calendar.changeView(buttonName);
743                                                         };
744                                                 }
745                                                 if (buttonClick) {
746                                                         var icon = options.theme ? smartProperty(options.buttonIcons, buttonName) : null; // why are we using smartProperty here?
747                                                         var text = smartProperty(options.buttonText, buttonName); // why are we using smartProperty here?
748                                                         var button = $(
749                                                                 "<span class='fc-button fc-button-" + buttonName + " " + tm + "-state-default'>" +
750                                                                         "<span class='fc-button-inner'>" +
751                                                                                 "<span class='fc-button-content'>" +
752                                                                                         (icon ?
753                                                                                                 "<span class='fc-icon-wrap'>" +
754                                                                                                         "<span class='ui-icon ui-icon-" + icon + "'/>" +
755                                                                                                 "</span>" :
756                                                                                                 text
757                                                                                                 ) +
758                                                                                 "</span>" +
759                                                                                 "<span class='fc-button-effect'><span></span></span>" +
760                                                                         "</span>" +
761                                                                 "</span>"
762                                                         );
763                                                         if (button) {
764                                                                 button
765                                                                         .click(function() {
766                                                                                 if (!button.hasClass(tm + '-state-disabled')) {
767                                                                                         buttonClick();
768                                                                                 }
769                                                                         })
770                                                                         .mousedown(function() {
771                                                                                 button
772                                                                                         .not('.' + tm + '-state-active')
773                                                                                         .not('.' + tm + '-state-disabled')
774                                                                                         .addClass(tm + '-state-down');
775                                                                         })
776                                                                         .mouseup(function() {
777                                                                                 button.removeClass(tm + '-state-down');
778                                                                         })
779                                                                         .hover(
780                                                                                 function() {
781                                                                                         button
782                                                                                                 .not('.' + tm + '-state-active')
783                                                                                                 .not('.' + tm + '-state-disabled')
784                                                                                                 .addClass(tm + '-state-hover');
785                                                                                 },
786                                                                                 function() {
787                                                                                         button
788                                                                                                 .removeClass(tm + '-state-hover')
789                                                                                                 .removeClass(tm + '-state-down');
790                                                                                 }
791                                                                         )
792                                                                         .appendTo(e);
793                                                                 if (!prevButton) {
794                                                                         button.addClass(tm + '-corner-left');
795                                                                 }
796                                                                 prevButton = button;
797                                                         }
798                                                 }
799                                         }
800                                 });
801                                 if (prevButton) {
802                                         prevButton.addClass(tm + '-corner-right');
803                                 }
804                         });
805                 }
806                 return e;
807         }
808         
809         
810         function updateTitle(html) {
811                 element.find('h2')
812                         .html(html);
813         }
814         
815         
816         function activateButton(buttonName) {
817                 element.find('span.fc-button-' + buttonName)
818                         .addClass(tm + '-state-active');
819         }
820         
821         
822         function deactivateButton(buttonName) {
823                 element.find('span.fc-button-' + buttonName)
824                         .removeClass(tm + '-state-active');
825         }
826         
827         
828         function disableButton(buttonName) {
829                 element.find('span.fc-button-' + buttonName)
830                         .addClass(tm + '-state-disabled');
831         }
832         
833         
834         function enableButton(buttonName) {
835                 element.find('span.fc-button-' + buttonName)
836                         .removeClass(tm + '-state-disabled');
837         }
838
839
840 }
841
842 fc.sourceNormalizers = [];
843 fc.sourceFetchers = [];
844
845 var ajaxDefaults = {
846         dataType: 'json',
847         cache: false
848 };
849
850 var eventGUID = 1;
851
852
853 function EventManager(options, _sources) {
854         var t = this;
855         
856         
857         // exports
858         t.isFetchNeeded = isFetchNeeded;
859         t.fetchEvents = fetchEvents;
860         t.addEventSource = addEventSource;
861         t.removeEventSource = removeEventSource;
862         t.updateEvent = updateEvent;
863         t.renderEvent = renderEvent;
864         t.removeEvents = removeEvents;
865         t.clientEvents = clientEvents;
866         t.normalizeEvent = normalizeEvent;
867         
868         
869         // imports
870         var trigger = t.trigger;
871         var getView = t.getView;
872         var reportEvents = t.reportEvents;
873         
874         
875         // locals
876         var stickySource = { events: [] };
877         var sources = [ stickySource ];
878         var rangeStart, rangeEnd;
879         var currentFetchID = 0;
880         var pendingSourceCnt = 0;
881         var loadingLevel = 0;
882         var cache = [];
883         
884         
885         for (var i=0; i<_sources.length; i++) {
886                 _addEventSource(_sources[i]);
887         }
888         
889         
890         
891         /* Fetching
892         -----------------------------------------------------------------------------*/
893         
894         
895         function isFetchNeeded(start, end) {
896                 return !rangeStart || start < rangeStart || end > rangeEnd;
897         }
898         
899         
900         function fetchEvents(start, end) {
901                 rangeStart = start;
902                 rangeEnd = end;
903                 cache = [];
904                 var fetchID = ++currentFetchID;
905                 var len = sources.length;
906                 pendingSourceCnt = len;
907                 for (var i=0; i<len; i++) {
908                         fetchEventSource(sources[i], fetchID);
909                 }
910         }
911         
912         
913         function fetchEventSource(source, fetchID) {
914                 _fetchEventSource(source, function(events) {
915                         if (fetchID == currentFetchID) {
916                                 if (events) {
917                                         for (var i=0; i<events.length; i++) {
918                                                 events[i].source = source;
919                                                 normalizeEvent(events[i]);
920                                         }
921                                         cache = cache.concat(events);
922                                 }
923                                 pendingSourceCnt--;
924                                 if (!pendingSourceCnt) {
925                                         reportEvents(cache);
926                                 }
927                         }
928                 });
929         }
930         
931         
932         function _fetchEventSource(source, callback) {
933                 var i;
934                 var fetchers = fc.sourceFetchers;
935                 var res;
936                 for (i=0; i<fetchers.length; i++) {
937                         res = fetchers[i](source, rangeStart, rangeEnd, callback);
938                         if (res === true) {
939                                 // the fetcher is in charge. made its own async request
940                                 return;
941                         }
942                         else if (typeof res == 'object') {
943                                 // the fetcher returned a new source. process it
944                                 _fetchEventSource(res, callback);
945                                 return;
946                         }
947                 }
948                 var events = source.events;
949                 if (events) {
950                         if ($.isFunction(events)) {
951                                 pushLoading();
952                                 events(cloneDate(rangeStart), cloneDate(rangeEnd), function(events) {
953                                         callback(events);
954                                         popLoading();
955                                 });
956                         }
957                         else if ($.isArray(events)) {
958                                 callback(events);
959                         }
960                         else {
961                                 callback();
962                         }
963                 }else{
964                         var url = source.url;
965                         if (url) {
966                                 var success = source.success;
967                                 var error = source.error;
968                                 var complete = source.complete;
969                                 var data = $.extend({}, source.data || {});
970                                 var startParam = firstDefined(source.startParam, options.startParam);
971                                 var endParam = firstDefined(source.endParam, options.endParam);
972                                 if (startParam) {
973                                         data[startParam] = Math.round(+rangeStart / 1000);
974                                 }
975                                 if (endParam) {
976                                         data[endParam] = Math.round(+rangeEnd / 1000);
977                                 }
978                                 pushLoading();
979                                 $.ajax($.extend({}, ajaxDefaults, source, {
980                                         data: data,
981                                         success: function(events) {
982                                                 events = events || [];
983                                                 var res = applyAll(success, this, arguments);
984                                                 if ($.isArray(res)) {
985                                                         events = res;
986                                                 }
987                                                 callback(events);
988                                         },
989                                         error: function() {
990                                                 applyAll(error, this, arguments);
991                                                 callback();
992                                         },
993                                         complete: function() {
994                                                 applyAll(complete, this, arguments);
995                                                 popLoading();
996                                         }
997                                 }));
998                         }else{
999                                 callback();
1000                         }
1001                 }
1002         }
1003         
1004         
1005         
1006         /* Sources
1007         -----------------------------------------------------------------------------*/
1008         
1009
1010         function addEventSource(source) {
1011                 source = _addEventSource(source);
1012                 if (source) {
1013                         pendingSourceCnt++;
1014                         fetchEventSource(source, currentFetchID); // will eventually call reportEvents
1015                 }
1016         }
1017         
1018         
1019         function _addEventSource(source) {
1020                 if ($.isFunction(source) || $.isArray(source)) {
1021                         source = { events: source };
1022                 }
1023                 else if (typeof source == 'string') {
1024                         source = { url: source };
1025                 }
1026                 if (typeof source == 'object') {
1027                         normalizeSource(source);
1028                         sources.push(source);
1029                         return source;
1030                 }
1031         }
1032         
1033
1034         function removeEventSource(source) {
1035                 sources = $.grep(sources, function(src) {
1036                         return !isSourcesEqual(src, source);
1037                 });
1038                 // remove all client events from that source
1039                 cache = $.grep(cache, function(e) {
1040                         return !isSourcesEqual(e.source, source);
1041                 });
1042                 reportEvents(cache);
1043         }
1044         
1045         
1046         
1047         /* Manipulation
1048         -----------------------------------------------------------------------------*/
1049         
1050         
1051         function updateEvent(event) { // update an existing event
1052                 var i, len = cache.length, e,
1053                         defaultEventEnd = getView().defaultEventEnd, // getView???
1054                         startDelta = event.start - event._start,
1055                         endDelta = event.end ?
1056                                 (event.end - (event._end || defaultEventEnd(event))) // event._end would be null if event.end
1057                                 : 0;                                                      // was null and event was just resized
1058                 for (i=0; i<len; i++) {
1059                         e = cache[i];
1060                         if (e._id == event._id && e != event) {
1061                                 e.start = new Date(+e.start + startDelta);
1062                                 if (event.end) {
1063                                         if (e.end) {
1064                                                 e.end = new Date(+e.end + endDelta);
1065                                         }else{
1066                                                 e.end = new Date(+defaultEventEnd(e) + endDelta);
1067                                         }
1068                                 }else{
1069                                         e.end = null;
1070                                 }
1071                                 e.title = event.title;
1072                                 e.url = event.url;
1073                                 e.allDay = event.allDay;
1074                                 e.className = event.className;
1075                                 e.editable = event.editable;
1076                                 e.color = event.color;
1077                                 e.backgroudColor = event.backgroudColor;
1078                                 e.borderColor = event.borderColor;
1079                                 e.textColor = event.textColor;
1080                                 normalizeEvent(e);
1081                         }
1082                 }
1083                 normalizeEvent(event);
1084                 reportEvents(cache);
1085         }
1086         
1087         
1088         function renderEvent(event, stick) {
1089                 normalizeEvent(event);
1090                 if (!event.source) {
1091                         if (stick) {
1092                                 stickySource.events.push(event);
1093                                 event.source = stickySource;
1094                         }
1095                         cache.push(event);
1096                 }
1097                 reportEvents(cache);
1098         }
1099         
1100         
1101         function removeEvents(filter) {
1102                 if (!filter) { // remove all
1103                         cache = [];
1104                         // clear all array sources
1105                         for (var i=0; i<sources.length; i++) {
1106                                 if ($.isArray(sources[i].events)) {
1107                                         sources[i].events = [];
1108                                 }
1109                         }
1110                 }else{
1111                         if (!$.isFunction(filter)) { // an event ID
1112                                 var id = filter + '';
1113                                 filter = function(e) {
1114                                         return e._id == id;
1115                                 };
1116                         }
1117                         cache = $.grep(cache, filter, true);
1118                         // remove events from array sources
1119                         for (var i=0; i<sources.length; i++) {
1120                                 if ($.isArray(sources[i].events)) {
1121                                         sources[i].events = $.grep(sources[i].events, filter, true);
1122                                 }
1123                         }
1124                 }
1125                 reportEvents(cache);
1126         }
1127         
1128         
1129         function clientEvents(filter) {
1130                 if ($.isFunction(filter)) {
1131                         return $.grep(cache, filter);
1132                 }
1133                 else if (filter) { // an event ID
1134                         filter += '';
1135                         return $.grep(cache, function(e) {
1136                                 return e._id == filter;
1137                         });
1138                 }
1139                 return cache; // else, return all
1140         }
1141         
1142         
1143         
1144         /* Loading State
1145         -----------------------------------------------------------------------------*/
1146         
1147         
1148         function pushLoading() {
1149                 if (!loadingLevel++) {
1150                         trigger('loading', null, true);
1151                 }
1152         }
1153         
1154         
1155         function popLoading() {
1156                 if (!--loadingLevel) {
1157                         trigger('loading', null, false);
1158                 }
1159         }
1160         
1161         
1162         
1163         /* Event Normalization
1164         -----------------------------------------------------------------------------*/
1165         
1166         
1167         function normalizeEvent(event) {
1168                 var source = event.source || {};
1169                 var ignoreTimezone = firstDefined(source.ignoreTimezone, options.ignoreTimezone);
1170                 event._id = event._id || (event.id === undefined ? '_fc' + eventGUID++ : event.id + '');
1171                 if (event.date) {
1172                         if (!event.start) {
1173                                 event.start = event.date;
1174                         }
1175                         delete event.date;
1176                 }
1177                 event._start = cloneDate(event.start = parseDate(event.start, ignoreTimezone));
1178                 event.end = parseDate(event.end, ignoreTimezone);
1179                 if (event.end && event.end <= event.start) {
1180                         event.end = null;
1181                 }
1182                 event._end = event.end ? cloneDate(event.end) : null;
1183                 if (event.allDay === undefined) {
1184                         event.allDay = firstDefined(source.allDayDefault, options.allDayDefault);
1185                 }
1186                 if (event.className) {
1187                         if (typeof event.className == 'string') {
1188                                 event.className = event.className.split(/\s+/);
1189                         }
1190                 }else{
1191                         event.className = [];
1192                 }
1193                 // TODO: if there is no start date, return false to indicate an invalid event
1194         }
1195         
1196         
1197         
1198         /* Utils
1199         ------------------------------------------------------------------------------*/
1200         
1201         
1202         function normalizeSource(source) {
1203                 if (source.className) {
1204                         // TODO: repeat code, same code for event classNames
1205                         if (typeof source.className == 'string') {
1206                                 source.className = source.className.split(/\s+/);
1207                         }
1208                 }else{
1209                         source.className = [];
1210                 }
1211                 var normalizers = fc.sourceNormalizers;
1212                 for (var i=0; i<normalizers.length; i++) {
1213                         normalizers[i](source);
1214                 }
1215         }
1216         
1217         
1218         function isSourcesEqual(source1, source2) {
1219                 return source1 && source2 && getSourcePrimitive(source1) == getSourcePrimitive(source2);
1220         }
1221         
1222         
1223         function getSourcePrimitive(source) {
1224                 return ((typeof source == 'object') ? (source.events || source.url) : '') || source;
1225         }
1226
1227
1228 }
1229
1230
1231 fc.addDays = addDays;
1232 fc.cloneDate = cloneDate;
1233 fc.parseDate = parseDate;
1234 fc.parseISO8601 = parseISO8601;
1235 fc.parseTime = parseTime;
1236 fc.formatDate = formatDate;
1237 fc.formatDates = formatDates;
1238
1239
1240
1241 /* Date Math
1242 -----------------------------------------------------------------------------*/
1243
1244 var dayIDs = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'],
1245         DAY_MS = 86400000,
1246         HOUR_MS = 3600000,
1247         MINUTE_MS = 60000;
1248         
1249
1250 function addYears(d, n, keepTime) {
1251         d.setFullYear(d.getFullYear() + n);
1252         if (!keepTime) {
1253                 clearTime(d);
1254         }
1255         return d;
1256 }
1257
1258
1259 function addMonths(d, n, keepTime) { // prevents day overflow/underflow
1260         if (+d) { // prevent infinite looping on invalid dates
1261                 var m = d.getMonth() + n,
1262                         check = cloneDate(d);
1263                 check.setDate(1);
1264                 check.setMonth(m);
1265                 d.setMonth(m);
1266                 if (!keepTime) {
1267                         clearTime(d);
1268                 }
1269                 while (d.getMonth() != check.getMonth()) {
1270                         d.setDate(d.getDate() + (d < check ? 1 : -1));
1271                 }
1272         }
1273         return d;
1274 }
1275
1276
1277 function addDays(d, n, keepTime) { // deals with daylight savings
1278         if (+d) {
1279                 var dd = d.getDate() + n,
1280                         check = cloneDate(d);
1281                 check.setHours(9); // set to middle of day
1282                 check.setDate(dd);
1283                 d.setDate(dd);
1284                 if (!keepTime) {
1285                         clearTime(d);
1286                 }
1287                 fixDate(d, check);
1288         }
1289         return d;
1290 }
1291
1292
1293 function fixDate(d, check) { // force d to be on check's YMD, for daylight savings purposes
1294         if (+d) { // prevent infinite looping on invalid dates
1295                 while (d.getDate() != check.getDate()) {
1296                         d.setTime(+d + (d < check ? 1 : -1) * HOUR_MS);
1297                 }
1298         }
1299 }
1300
1301
1302 function addMinutes(d, n) {
1303         d.setMinutes(d.getMinutes() + n);
1304         return d;
1305 }
1306
1307
1308 function clearTime(d) {
1309         d.setHours(0);
1310         d.setMinutes(0);
1311         d.setSeconds(0); 
1312         d.setMilliseconds(0);
1313         return d;
1314 }
1315
1316
1317 function cloneDate(d, dontKeepTime) {
1318         if (dontKeepTime) {
1319                 return clearTime(new Date(+d));
1320         }
1321         return new Date(+d);
1322 }
1323
1324
1325 function zeroDate() { // returns a Date with time 00:00:00 and dateOfMonth=1
1326         var i=0, d;
1327         do {
1328                 d = new Date(1970, i++, 1);
1329         } while (d.getHours()); // != 0
1330         return d;
1331 }
1332
1333
1334 function skipWeekend(date, inc, excl) {
1335         inc = inc || 1;
1336         while (!date.getDay() || (excl && date.getDay()==1 || !excl && date.getDay()==6)) {
1337                 addDays(date, inc);
1338         }
1339         return date;
1340 }
1341
1342
1343 function dayDiff(d1, d2) { // d1 - d2
1344         return Math.round((cloneDate(d1, true) - cloneDate(d2, true)) / DAY_MS);
1345 }
1346
1347
1348 function setYMD(date, y, m, d) {
1349         if (y !== undefined && y != date.getFullYear()) {
1350                 date.setDate(1);
1351                 date.setMonth(0);
1352                 date.setFullYear(y);
1353         }
1354         if (m !== undefined && m != date.getMonth()) {
1355                 date.setDate(1);
1356                 date.setMonth(m);
1357         }
1358         if (d !== undefined) {
1359                 date.setDate(d);
1360         }
1361 }
1362
1363
1364
1365 /* Date Parsing
1366 -----------------------------------------------------------------------------*/
1367
1368
1369 function parseDate(s, ignoreTimezone) { // ignoreTimezone defaults to true
1370         if (typeof s == 'object') { // already a Date object
1371                 return s;
1372         }
1373         if (typeof s == 'number') { // a UNIX timestamp
1374                 return new Date(s * 1000);
1375         }
1376         if (typeof s == 'string') {
1377                 if (s.match(/^\d+(\.\d+)?$/)) { // a UNIX timestamp
1378                         return new Date(parseFloat(s) * 1000);
1379                 }
1380                 if (ignoreTimezone === undefined) {
1381                         ignoreTimezone = true;
1382                 }
1383                 return parseISO8601(s, ignoreTimezone) || (s ? new Date(s) : null);
1384         }
1385         // TODO: never return invalid dates (like from new Date(<string>)), return null instead
1386         return null;
1387 }
1388
1389
1390 function parseISO8601(s, ignoreTimezone) { // ignoreTimezone defaults to false
1391         // derived from http://delete.me.uk/2005/03/iso8601.html
1392         // TODO: for a know glitch/feature, read tests/issue_206_parseDate_dst.html
1393         var m = s.match(/^([0-9]{4})(-([0-9]{2})(-([0-9]{2})([T ]([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?(Z|(([-+])([0-9]{2})(:?([0-9]{2}))?))?)?)?)?$/);
1394         if (!m) {
1395                 return null;
1396         }
1397         var date = new Date(m[1], 0, 1);
1398         if (ignoreTimezone || !m[13]) {
1399                 var check = new Date(m[1], 0, 1, 9, 0);
1400                 if (m[3]) {
1401                         date.setMonth(m[3] - 1);
1402                         check.setMonth(m[3] - 1);
1403                 }
1404                 if (m[5]) {
1405                         date.setDate(m[5]);
1406                         check.setDate(m[5]);
1407                 }
1408                 fixDate(date, check);
1409                 if (m[7]) {
1410                         date.setHours(m[7]);
1411                 }
1412                 if (m[8]) {
1413                         date.setMinutes(m[8]);
1414                 }
1415                 if (m[10]) {
1416                         date.setSeconds(m[10]);
1417                 }
1418                 if (m[12]) {
1419                         date.setMilliseconds(Number("0." + m[12]) * 1000);
1420                 }
1421                 fixDate(date, check);
1422         }else{
1423                 date.setUTCFullYear(
1424                         m[1],
1425                         m[3] ? m[3] - 1 : 0,
1426                         m[5] || 1
1427                 );
1428                 date.setUTCHours(
1429                         m[7] || 0,
1430                         m[8] || 0,
1431                         m[10] || 0,
1432                         m[12] ? Number("0." + m[12]) * 1000 : 0
1433                 );
1434                 if (m[14]) {
1435                         var offset = Number(m[16]) * 60 + (m[18] ? Number(m[18]) : 0);
1436                         offset *= m[15] == '-' ? 1 : -1;
1437                         date = new Date(+date + (offset * 60 * 1000));
1438                 }
1439         }
1440         return date;
1441 }
1442
1443
1444 function parseTime(s) { // returns minutes since start of day
1445         if (typeof s == 'number') { // an hour
1446                 return s * 60;
1447         }
1448         if (typeof s == 'object') { // a Date object
1449                 return s.getHours() * 60 + s.getMinutes();
1450         }
1451         var m = s.match(/(\d+)(?::(\d+))?\s*(\w+)?/);
1452         if (m) {
1453                 var h = parseInt(m[1], 10);
1454                 if (m[3]) {
1455                         h %= 12;
1456                         if (m[3].toLowerCase().charAt(0) == 'p') {
1457                                 h += 12;
1458                         }
1459                 }
1460                 return h * 60 + (m[2] ? parseInt(m[2], 10) : 0);
1461         }
1462 }
1463
1464
1465
1466 /* Date Formatting
1467 -----------------------------------------------------------------------------*/
1468 // TODO: use same function formatDate(date, [date2], format, [options])
1469
1470
1471 function formatDate(date, format, options) {
1472         return formatDates(date, null, format, options);
1473 }
1474
1475
1476 function formatDates(date1, date2, format, options) {
1477         options = options || defaults;
1478         var date = date1,
1479                 otherDate = date2,
1480                 i, len = format.length, c,
1481                 i2, formatter,
1482                 res = '';
1483         for (i=0; i<len; i++) {
1484                 c = format.charAt(i);
1485                 if (c == "'") {
1486                         for (i2=i+1; i2<len; i2++) {
1487                                 if (format.charAt(i2) == "'") {
1488                                         if (date) {
1489                                                 if (i2 == i+1) {
1490                                                         res += "'";
1491                                                 }else{
1492                                                         res += format.substring(i+1, i2);
1493                                                 }
1494                                                 i = i2;
1495                                         }
1496                                         break;
1497                                 }
1498                         }
1499                 }
1500                 else if (c == '(') {
1501                         for (i2=i+1; i2<len; i2++) {
1502                                 if (format.charAt(i2) == ')') {
1503                                         var subres = formatDate(date, format.substring(i+1, i2), options);
1504                                         if (parseInt(subres.replace(/\D/, ''), 10)) {
1505                                                 res += subres;
1506                                         }
1507                                         i = i2;
1508                                         break;
1509                                 }
1510                         }
1511                 }
1512                 else if (c == '[') {
1513                         for (i2=i+1; i2<len; i2++) {
1514                                 if (format.charAt(i2) == ']') {
1515                                         var subformat = format.substring(i+1, i2);
1516                                         var subres = formatDate(date, subformat, options);
1517                                         if (subres != formatDate(otherDate, subformat, options)) {
1518                                                 res += subres;
1519                                         }
1520                                         i = i2;
1521                                         break;
1522                                 }
1523                         }
1524                 }
1525                 else if (c == '{') {
1526                         date = date2;
1527                         otherDate = date1;
1528                 }
1529                 else if (c == '}') {
1530                         date = date1;
1531                         otherDate = date2;
1532                 }
1533                 else {
1534                         for (i2=len; i2>i; i2--) {
1535                                 if (formatter = dateFormatters[format.substring(i, i2)]) {
1536                                         if (date) {
1537                                                 res += formatter(date, options);
1538                                         }
1539                                         i = i2 - 1;
1540                                         break;
1541                                 }
1542                         }
1543                         if (i2 == i) {
1544                                 if (date) {
1545                                         res += c;
1546                                 }
1547                         }
1548                 }
1549         }
1550         return res;
1551 };
1552
1553
1554 var dateFormatters = {
1555         s       : function(d)   { return d.getSeconds() },
1556         ss      : function(d)   { return zeroPad(d.getSeconds()) },
1557         m       : function(d)   { return d.getMinutes() },
1558         mm      : function(d)   { return zeroPad(d.getMinutes()) },
1559         h       : function(d)   { return d.getHours() % 12 || 12 },
1560         hh      : function(d)   { return zeroPad(d.getHours() % 12 || 12) },
1561         H       : function(d)   { return d.getHours() },
1562         HH      : function(d)   { return zeroPad(d.getHours()) },
1563         d       : function(d)   { return d.getDate() },
1564         dd      : function(d)   { return zeroPad(d.getDate()) },
1565         ddd     : function(d,o) { return o.dayNamesShort[d.getDay()] },
1566         dddd: function(d,o)     { return o.dayNames[d.getDay()] },
1567         M       : function(d)   { return d.getMonth() + 1 },
1568         MM      : function(d)   { return zeroPad(d.getMonth() + 1) },
1569         MMM     : function(d,o) { return o.monthNamesShort[d.getMonth()] },
1570         MMMM: function(d,o)     { return o.monthNames[d.getMonth()] },
1571         yy      : function(d)   { return (d.getFullYear()+'').substring(2) },
1572         yyyy: function(d)       { return d.getFullYear() },
1573         t       : function(d)   { return d.getHours() < 12 ? 'a' : 'p' },
1574         tt      : function(d)   { return d.getHours() < 12 ? 'am' : 'pm' },
1575         T       : function(d)   { return d.getHours() < 12 ? 'A' : 'P' },
1576         TT      : function(d)   { return d.getHours() < 12 ? 'AM' : 'PM' },
1577         u       : function(d)   { return formatDate(d, "yyyy-MM-dd'T'HH:mm:ss'Z'") },
1578         S       : function(d)   {
1579                 var date = d.getDate();
1580                 if (date > 10 && date < 20) {
1581                         return 'th';
1582                 }
1583                 return ['st', 'nd', 'rd'][date%10-1] || 'th';
1584         }
1585 };
1586
1587
1588
1589 fc.applyAll = applyAll;
1590
1591
1592 /* Event Date Math
1593 -----------------------------------------------------------------------------*/
1594
1595
1596 function exclEndDay(event) {
1597         if (event.end) {
1598                 return _exclEndDay(event.end, event.allDay);
1599         }else{
1600                 return addDays(cloneDate(event.start), 1);
1601         }
1602 }
1603
1604
1605 function _exclEndDay(end, allDay) {
1606         end = cloneDate(end);
1607         return allDay || end.getHours() || end.getMinutes() ? addDays(end, 1) : clearTime(end);
1608 }
1609
1610
1611 function segCmp(a, b) {
1612         return (b.msLength - a.msLength) * 100 + (a.event.start - b.event.start);
1613 }
1614
1615
1616 function segsCollide(seg1, seg2) {
1617         return seg1.end > seg2.start && seg1.start < seg2.end;
1618 }
1619
1620
1621
1622 /* Event Sorting
1623 -----------------------------------------------------------------------------*/
1624
1625
1626 // event rendering utilities
1627 function sliceSegs(events, visEventEnds, start, end) {
1628         var segs = [],
1629                 i, len=events.length, event,
1630                 eventStart, eventEnd,
1631                 segStart, segEnd,
1632                 isStart, isEnd;
1633         for (i=0; i<len; i++) {
1634                 event = events[i];
1635                 eventStart = event.start;
1636                 eventEnd = visEventEnds[i];
1637                 if (eventEnd > start && eventStart < end) {
1638                         if (eventStart < start) {
1639                                 segStart = cloneDate(start);
1640                                 isStart = false;
1641                         }else{
1642                                 segStart = eventStart;
1643                                 isStart = true;
1644                         }
1645                         if (eventEnd > end) {
1646                                 segEnd = cloneDate(end);
1647                                 isEnd = false;
1648                         }else{
1649                                 segEnd = eventEnd;
1650                                 isEnd = true;
1651                         }
1652                         segs.push({
1653                                 event: event,
1654                                 start: segStart,
1655                                 end: segEnd,
1656                                 isStart: isStart,
1657                                 isEnd: isEnd,
1658                                 msLength: segEnd - segStart
1659                         });
1660                 }
1661         } 
1662         return segs.sort(segCmp);
1663 }
1664
1665
1666 // event rendering calculation utilities
1667 function stackSegs(segs) {
1668         var levels = [],
1669                 i, len = segs.length, seg,
1670                 j, collide, k;
1671         for (i=0; i<len; i++) {
1672                 seg = segs[i];
1673                 j = 0; // the level index where seg should belong
1674                 while (true) {
1675                         collide = false;
1676                         if (levels[j]) {
1677                                 for (k=0; k<levels[j].length; k++) {
1678                                         if (segsCollide(levels[j][k], seg)) {
1679                                                 collide = true;
1680                                                 break;
1681                                         }
1682                                 }
1683                         }
1684                         if (collide) {
1685                                 j++;
1686                         }else{
1687                                 break;
1688                         }
1689                 }
1690                 if (levels[j]) {
1691                         levels[j].push(seg);
1692                 }else{
1693                         levels[j] = [seg];
1694                 }
1695         }
1696         return levels;
1697 }
1698
1699
1700
1701 /* Event Element Binding
1702 -----------------------------------------------------------------------------*/
1703
1704
1705 function lazySegBind(container, segs, bindHandlers) {
1706         container.unbind('mouseover').mouseover(function(ev) {
1707                 var parent=ev.target, e,
1708                         i, seg;
1709                 while (parent != this) {
1710                         e = parent;
1711                         parent = parent.parentNode;
1712                 }
1713                 if ((i = e._fci) !== undefined) {
1714                         e._fci = undefined;
1715                         seg = segs[i];
1716                         bindHandlers(seg.event, seg.element, seg);
1717                         $(ev.target).trigger(ev);
1718                 }
1719                 ev.stopPropagation();
1720         });
1721 }
1722
1723
1724
1725 /* Element Dimensions
1726 -----------------------------------------------------------------------------*/
1727
1728
1729 function setOuterWidth(element, width, includeMargins) {
1730         for (var i=0, e; i<element.length; i++) {
1731                 e = $(element[i]);
1732                 e.width(Math.max(0, width - hsides(e, includeMargins)));
1733         }
1734 }
1735
1736
1737 function setOuterHeight(element, height, includeMargins) {
1738         for (var i=0, e; i<element.length; i++) {
1739                 e = $(element[i]);
1740                 e.height(Math.max(0, height - vsides(e, includeMargins)));
1741         }
1742 }
1743
1744
1745 // TODO: curCSS has been deprecated (jQuery 1.4.3 - 10/16/2010)
1746
1747
1748 function hsides(element, includeMargins) {
1749         return hpadding(element) + hborders(element) + (includeMargins ? hmargins(element) : 0);
1750 }
1751
1752
1753 function hpadding(element) {
1754         return (parseFloat($.curCSS(element[0], 'paddingLeft', true)) || 0) +
1755                (parseFloat($.curCSS(element[0], 'paddingRight', true)) || 0);
1756 }
1757
1758
1759 function hmargins(element) {
1760         return (parseFloat($.curCSS(element[0], 'marginLeft', true)) || 0) +
1761                (parseFloat($.curCSS(element[0], 'marginRight', true)) || 0);
1762 }
1763
1764
1765 function hborders(element) {
1766         return (parseFloat($.curCSS(element[0], 'borderLeftWidth', true)) || 0) +
1767                (parseFloat($.curCSS(element[0], 'borderRightWidth', true)) || 0);
1768 }
1769
1770
1771 function vsides(element, includeMargins) {
1772         return vpadding(element) +  vborders(element) + (includeMargins ? vmargins(element) : 0);
1773 }
1774
1775
1776 function vpadding(element) {
1777         return (parseFloat($.curCSS(element[0], 'paddingTop', true)) || 0) +
1778                (parseFloat($.curCSS(element[0], 'paddingBottom', true)) || 0);
1779 }
1780
1781
1782 function vmargins(element) {
1783         return (parseFloat($.curCSS(element[0], 'marginTop', true)) || 0) +
1784                (parseFloat($.curCSS(element[0], 'marginBottom', true)) || 0);
1785 }
1786
1787
1788 function vborders(element) {
1789         return (parseFloat($.curCSS(element[0], 'borderTopWidth', true)) || 0) +
1790                (parseFloat($.curCSS(element[0], 'borderBottomWidth', true)) || 0);
1791 }
1792
1793
1794 function setMinHeight(element, height) {
1795         height = (typeof height == 'number' ? height + 'px' : height);
1796         element.each(function(i, _element) {
1797                 _element.style.cssText += ';min-height:' + height + ';_height:' + height;
1798                 // why can't we just use .css() ? i forget
1799         });
1800 }
1801
1802
1803
1804 /* Misc Utils
1805 -----------------------------------------------------------------------------*/
1806
1807
1808 //TODO: arraySlice
1809 //TODO: isFunction, grep ?
1810
1811
1812 function noop() { }
1813
1814
1815 function cmp(a, b) {
1816         return a - b;
1817 }
1818
1819
1820 function arrayMax(a) {
1821         return Math.max.apply(Math, a);
1822 }
1823
1824
1825 function zeroPad(n) {
1826         return (n < 10 ? '0' : '') + n;
1827 }
1828
1829
1830 function smartProperty(obj, name) { // get a camel-cased/namespaced property of an object
1831         if (obj[name] !== undefined) {
1832                 return obj[name];
1833         }
1834         var parts = name.split(/(?=[A-Z])/),
1835                 i=parts.length-1, res;
1836         for (; i>=0; i--) {
1837                 res = obj[parts[i].toLowerCase()];
1838                 if (res !== undefined) {
1839                         return res;
1840                 }
1841         }
1842         return obj[''];
1843 }
1844
1845
1846 function htmlEscape(s) {
1847         return s.replace(/&/g, '&amp;')
1848                 .replace(/</g, '&lt;')
1849                 .replace(/>/g, '&gt;')
1850                 .replace(/'/g, '&#039;')
1851                 .replace(/"/g, '&quot;')
1852                 .replace(/\n/g, '<br />');
1853 }
1854
1855
1856 function cssKey(_element) {
1857         return _element.id + '/' + _element.className + '/' + _element.style.cssText.replace(/(^|;)\s*(top|left|width|height)\s*:[^;]*/ig, '');
1858 }
1859
1860
1861 function disableTextSelection(element) {
1862         element
1863                 .attr('unselectable', 'on')
1864                 .css('MozUserSelect', 'none')
1865                 .bind('selectstart.ui', function() { return false; });
1866 }
1867
1868
1869 /*
1870 function enableTextSelection(element) {
1871         element
1872                 .attr('unselectable', 'off')
1873                 .css('MozUserSelect', '')
1874                 .unbind('selectstart.ui');
1875 }
1876 */
1877
1878
1879 function markFirstLast(e) {
1880         e.children()
1881                 .removeClass('fc-first fc-last')
1882                 .filter(':first-child')
1883                         .addClass('fc-first')
1884                 .end()
1885                 .filter(':last-child')
1886                         .addClass('fc-last');
1887 }
1888
1889
1890 function setDayID(cell, date) {
1891         cell.each(function(i, _cell) {
1892                 _cell.className = _cell.className.replace(/^fc-\w*/, 'fc-' + dayIDs[date.getDay()]);
1893                 // TODO: make a way that doesn't rely on order of classes
1894         });
1895 }
1896
1897
1898 function getSkinCss(event, opt) {
1899         var source = event.source || {};
1900         var eventColor = event.color;
1901         var sourceColor = source.color;
1902         var optionColor = opt('eventColor');
1903         var backgroundColor =
1904                 event.backgroundColor ||
1905                 eventColor ||
1906                 source.backgroundColor ||
1907                 sourceColor ||
1908                 opt('eventBackgroundColor') ||
1909                 optionColor;
1910         var borderColor =
1911                 event.borderColor ||
1912                 eventColor ||
1913                 source.borderColor ||
1914                 sourceColor ||
1915                 opt('eventBorderColor') ||
1916                 optionColor;
1917         var textColor =
1918                 event.textColor ||
1919                 source.textColor ||
1920                 opt('eventTextColor');
1921         var statements = [];
1922         if (backgroundColor) {
1923                 statements.push('background-color:' + backgroundColor);
1924         }
1925         if (borderColor) {
1926                 statements.push('border-color:' + borderColor);
1927         }
1928         if (textColor) {
1929                 statements.push('color:' + textColor);
1930         }
1931         return statements.join(';');
1932 }
1933
1934
1935 function applyAll(functions, thisObj, args) {
1936         if ($.isFunction(functions)) {
1937                 functions = [ functions ];
1938         }
1939         if (functions) {
1940                 var i;
1941                 var ret;
1942                 for (i=0; i<functions.length; i++) {
1943                         ret = functions[i].apply(thisObj, args) || ret;
1944                 }
1945                 return ret;
1946         }
1947 }
1948
1949
1950 function firstDefined() {
1951         for (var i=0; i<arguments.length; i++) {
1952                 if (arguments[i] !== undefined) {
1953                         return arguments[i];
1954                 }
1955         }
1956 }
1957
1958
1959
1960 fcViews.month = MonthView;
1961
1962 function MonthView(element, calendar) {
1963         var t = this;
1964         
1965         
1966         // exports
1967         t.render = render;
1968         
1969         
1970         // imports
1971         BasicView.call(t, element, calendar, 'month');
1972         var opt = t.opt;
1973         var renderBasic = t.renderBasic;
1974         var formatDate = calendar.formatDate;
1975         
1976         
1977         
1978         function render(date, delta) {
1979                 if (delta) {
1980                         addMonths(date, delta);
1981                         date.setDate(1);
1982                 }
1983                 var start = cloneDate(date, true);
1984                 start.setDate(1);
1985                 var end = addMonths(cloneDate(start), 1);
1986                 var visStart = cloneDate(start);
1987                 var visEnd = cloneDate(end);
1988                 var firstDay = opt('firstDay');
1989                 var nwe = opt('weekends') ? 0 : 1;
1990                 if (nwe) {
1991                         skipWeekend(visStart);
1992                         skipWeekend(visEnd, -1, true);
1993                 }
1994                 addDays(visStart, -((visStart.getDay() - Math.max(firstDay, nwe) + 7) % 7));
1995                 addDays(visEnd, (7 - visEnd.getDay() + Math.max(firstDay, nwe)) % 7);
1996                 var rowCnt = Math.round((visEnd - visStart) / (DAY_MS * 7));
1997                 if (opt('weekMode') == 'fixed') {
1998                         addDays(visEnd, (6 - rowCnt) * 7);
1999                         rowCnt = 6;
2000                 }
2001                 t.title = formatDate(start, opt('titleFormat'));
2002                 t.start = start;
2003                 t.end = end;
2004                 t.visStart = visStart;
2005                 t.visEnd = visEnd;
2006                 renderBasic(6, rowCnt, nwe ? 5 : 7, true);
2007         }
2008         
2009         
2010 }
2011
2012 fcViews.basicWeek = BasicWeekView;
2013
2014 function BasicWeekView(element, calendar) {
2015         var t = this;
2016         
2017         
2018         // exports
2019         t.render = render;
2020         
2021         
2022         // imports
2023         BasicView.call(t, element, calendar, 'basicWeek');
2024         var opt = t.opt;
2025         var renderBasic = t.renderBasic;
2026         var formatDates = calendar.formatDates;
2027         
2028         
2029         
2030         function render(date, delta) {
2031                 if (delta) {
2032                         addDays(date, delta * 7);
2033                 }
2034                 var start = addDays(cloneDate(date), -((date.getDay() - opt('firstDay') + 7) % 7));
2035                 var end = addDays(cloneDate(start), 7);
2036                 var visStart = cloneDate(start);
2037                 var visEnd = cloneDate(end);
2038                 var weekends = opt('weekends');
2039                 if (!weekends) {
2040                         skipWeekend(visStart);
2041                         skipWeekend(visEnd, -1, true);
2042                 }
2043                 t.title = formatDates(
2044                         visStart,
2045                         addDays(cloneDate(visEnd), -1),
2046                         opt('titleFormat')
2047                 );
2048                 t.start = start;
2049                 t.end = end;
2050                 t.visStart = visStart;
2051                 t.visEnd = visEnd;
2052                 renderBasic(1, 1, weekends ? 7 : 5, false);
2053         }
2054         
2055         
2056 }
2057
2058 fcViews.basicDay = BasicDayView;
2059
2060 //TODO: when calendar's date starts out on a weekend, shouldn't happen
2061
2062
2063 function BasicDayView(element, calendar) {
2064         var t = this;
2065         
2066         
2067         // exports
2068         t.render = render;
2069         
2070         
2071         // imports
2072         BasicView.call(t, element, calendar, 'basicDay');
2073         var opt = t.opt;
2074         var renderBasic = t.renderBasic;
2075         var formatDate = calendar.formatDate;
2076         
2077         
2078         
2079         function render(date, delta) {
2080                 if (delta) {
2081                         addDays(date, delta);
2082                         if (!opt('weekends')) {
2083                                 skipWeekend(date, delta < 0 ? -1 : 1);
2084                         }
2085                 }
2086                 t.title = formatDate(date, opt('titleFormat'));
2087                 t.start = t.visStart = cloneDate(date, true);
2088                 t.end = t.visEnd = addDays(cloneDate(t.start), 1);
2089                 renderBasic(1, 1, 1, false);
2090         }
2091         
2092         
2093 }
2094
2095 setDefaults({
2096         weekMode: 'fixed'
2097 });
2098
2099
2100 function BasicView(element, calendar, viewName) {
2101         var t = this;
2102         
2103         
2104         // exports
2105         t.renderBasic = renderBasic;
2106         t.setHeight = setHeight;
2107         t.setWidth = setWidth;
2108         t.renderDayOverlay = renderDayOverlay;
2109         t.defaultSelectionEnd = defaultSelectionEnd;
2110         t.renderSelection = renderSelection;
2111         t.clearSelection = clearSelection;
2112         t.reportDayClick = reportDayClick; // for selection (kinda hacky)
2113         t.dragStart = dragStart;
2114         t.dragStop = dragStop;
2115         t.defaultEventEnd = defaultEventEnd;
2116         t.getHoverListener = function() { return hoverListener };
2117         t.colContentLeft = colContentLeft;
2118         t.colContentRight = colContentRight;
2119         t.dayOfWeekCol = dayOfWeekCol;
2120         t.dateCell = dateCell;
2121         t.cellDate = cellDate;
2122         t.cellIsAllDay = function() { return true };
2123         t.allDayRow = allDayRow;
2124         t.allDayBounds = allDayBounds;
2125         t.getRowCnt = function() { return rowCnt };
2126         t.getColCnt = function() { return colCnt };
2127         t.getColWidth = function() { return colWidth };
2128         t.getDaySegmentContainer = function() { return daySegmentContainer };
2129         
2130         
2131         // imports
2132         View.call(t, element, calendar, viewName);
2133         OverlayManager.call(t);
2134         SelectionManager.call(t);
2135         BasicEventRenderer.call(t);
2136         var opt = t.opt;
2137         var trigger = t.trigger;
2138         var clearEvents = t.clearEvents;
2139         var renderOverlay = t.renderOverlay;
2140         var clearOverlays = t.clearOverlays;
2141         var daySelectionMousedown = t.daySelectionMousedown;
2142         var formatDate = calendar.formatDate;
2143         
2144         
2145         // locals
2146         
2147         var head;
2148         var headCells;
2149         var body;
2150         var bodyRows;
2151         var bodyCells;
2152         var bodyFirstCells;
2153         var bodyCellTopInners;
2154         var daySegmentContainer;
2155         
2156         var viewWidth;
2157         var viewHeight;
2158         var colWidth;
2159         
2160         var rowCnt, colCnt;
2161         var coordinateGrid;
2162         var hoverListener;
2163         var colContentPositions;
2164         
2165         var rtl, dis, dit;
2166         var firstDay;
2167         var nwe;
2168         var tm;
2169         var colFormat;
2170         
2171         
2172         
2173         /* Rendering
2174         ------------------------------------------------------------*/
2175         
2176         
2177         disableTextSelection(element.addClass('fc-grid'));
2178         
2179         
2180         function renderBasic(maxr, r, c, showNumbers) {
2181                 rowCnt = r;
2182                 colCnt = c;
2183                 updateOptions();
2184                 var firstTime = !body;
2185                 if (firstTime) {
2186                         buildSkeleton(maxr, showNumbers);
2187                 }else{
2188                         clearEvents();
2189                 }
2190                 updateCells(firstTime);
2191         }
2192         
2193         
2194         
2195         function updateOptions() {
2196                 rtl = opt('isRTL');
2197                 if (rtl) {
2198                         dis = -1;
2199                         dit = colCnt - 1;
2200                 }else{
2201                         dis = 1;
2202                         dit = 0;
2203                 }
2204                 firstDay = opt('firstDay');
2205                 nwe = opt('weekends') ? 0 : 1;
2206                 tm = opt('theme') ? 'ui' : 'fc';
2207                 colFormat = opt('columnFormat');
2208         }
2209         
2210         
2211         
2212         function buildSkeleton(maxRowCnt, showNumbers) {
2213                 var s;
2214                 var headerClass = tm + "-widget-header";
2215                 var contentClass = tm + "-widget-content";
2216                 var i, j;
2217                 var table;
2218                 
2219                 s =
2220                         "<table class='fc-border-separate' style='width:100%' cellspacing='0'>" +
2221                         "<thead>" +
2222                         "<tr>";
2223                 for (i=0; i<colCnt; i++) {
2224                         s +=
2225                                 "<th class='fc- " + headerClass + "'/>"; // need fc- for setDayID
2226                 }
2227                 s +=
2228                         "</tr>" +
2229                         "</thead>" +
2230                         "<tbody>";
2231                 for (i=0; i<maxRowCnt; i++) {
2232                         s +=
2233                                 "<tr class='fc-week" + i + "'>";
2234                         for (j=0; j<colCnt; j++) {
2235                                 s +=
2236                                         "<td class='fc- " + contentClass + " fc-day" + (i*colCnt+j) + "'>" + // need fc- for setDayID
2237                                         "<div>" +
2238                                         (showNumbers ?
2239                                                 "<div class='fc-day-number'/>" :
2240                                                 ''
2241                                                 ) +
2242                                         "<div class='fc-day-content'>" +
2243                                         "<div style='position:relative'>&nbsp;</div>" +
2244                                         "</div>" +
2245                                         "</div>" +
2246                                         "</td>";
2247                         }
2248                         s +=
2249                                 "</tr>";
2250                 }
2251                 s +=
2252                         "</tbody>" +
2253                         "</table>";
2254                 table = $(s).appendTo(element);
2255                 
2256                 head = table.find('thead');
2257                 headCells = head.find('th');
2258                 body = table.find('tbody');
2259                 bodyRows = body.find('tr');
2260                 bodyCells = body.find('td');
2261                 bodyFirstCells = bodyCells.filter(':first-child');
2262                 bodyCellTopInners = bodyRows.eq(0).find('div.fc-day-content div');
2263                 
2264                 markFirstLast(head.add(head.find('tr'))); // marks first+last tr/th's
2265                 markFirstLast(bodyRows); // marks first+last td's
2266                 bodyRows.eq(0).addClass('fc-first'); // fc-last is done in updateCells
2267                 
2268                 dayBind(bodyCells);
2269                 
2270                 daySegmentContainer =
2271                         $("<div style='position:absolute;z-index:8;top:0;left:0'/>")
2272                                 .appendTo(element);
2273         }
2274         
2275         
2276         
2277         function updateCells(firstTime) {
2278                 var dowDirty = firstTime || rowCnt == 1; // could the cells' day-of-weeks need updating?
2279                 var month = t.start.getMonth();
2280                 var today = clearTime(new Date());
2281                 var cell;
2282                 var date;
2283                 var row;
2284         
2285                 if (dowDirty) {
2286                         headCells.each(function(i, _cell) {
2287                                 cell = $(_cell);
2288                                 date = indexDate(i);
2289                                 cell.html(formatDate(date, colFormat));
2290                                 setDayID(cell, date);
2291                         });
2292                 }
2293                 
2294                 bodyCells.each(function(i, _cell) {
2295                         cell = $(_cell);
2296                         date = indexDate(i);
2297                         if (date.getMonth() == month) {
2298                                 cell.removeClass('fc-other-month');
2299                         }else{
2300                                 cell.addClass('fc-other-month');
2301                         }
2302                         if (+date == +today) {
2303                                 cell.addClass(tm + '-state-highlight fc-today');
2304                         }else{
2305                                 cell.removeClass(tm + '-state-highlight fc-today');
2306                         }
2307                         cell.find('div.fc-day-number').text(date.getDate());
2308                         if (dowDirty) {
2309                                 setDayID(cell, date);
2310                         }
2311                 });
2312                 
2313                 bodyRows.each(function(i, _row) {
2314                         row = $(_row);
2315                         if (i < rowCnt) {
2316                                 row.show();
2317                                 if (i == rowCnt-1) {
2318                                         row.addClass('fc-last');
2319                                 }else{
2320                                         row.removeClass('fc-last');
2321                                 }
2322                         }else{
2323                                 row.hide();
2324                         }
2325                 });
2326         }
2327         
2328         
2329         
2330         function setHeight(height) {
2331                 viewHeight = height;
2332                 
2333                 var bodyHeight = viewHeight - head.height();
2334                 var rowHeight;
2335                 var rowHeightLast;
2336                 var cell;
2337                         
2338                 if (opt('weekMode') == 'variable') {
2339                         rowHeight = rowHeightLast = Math.floor(bodyHeight / (rowCnt==1 ? 2 : 6));
2340                 }else{
2341                         rowHeight = Math.floor(bodyHeight / rowCnt);
2342                         rowHeightLast = bodyHeight - rowHeight * (rowCnt-1);
2343                 }
2344                 
2345                 bodyFirstCells.each(function(i, _cell) {
2346                         if (i < rowCnt) {
2347                                 cell = $(_cell);
2348                                 setMinHeight(
2349                                         cell.find('> div'),
2350                                         (i==rowCnt-1 ? rowHeightLast : rowHeight) - vsides(cell)
2351                                 );
2352                         }
2353                 });
2354                 
2355         }
2356         
2357         
2358         function setWidth(width) {
2359                 viewWidth = width;
2360                 colContentPositions.clear();
2361                 colWidth = Math.floor(viewWidth / colCnt);
2362                 setOuterWidth(headCells.slice(0, -1), colWidth);
2363         }
2364         
2365         
2366         
2367         /* Day clicking and binding
2368         -----------------------------------------------------------*/
2369         
2370         
2371         function dayBind(days) {
2372                 days.click(dayClick)
2373                         .mousedown(daySelectionMousedown);
2374         }
2375         
2376         
2377         function dayClick(ev) {
2378                 if (!opt('selectable')) { // if selectable, SelectionManager will worry about dayClick
2379                         var index = parseInt(this.className.match(/fc\-day(\d+)/)[1]); // TODO: maybe use .data
2380                         var date = indexDate(index);
2381                         trigger('dayClick', this, date, true, ev);
2382                 }
2383         }
2384         
2385         
2386         
2387         /* Semi-transparent Overlay Helpers
2388         ------------------------------------------------------*/
2389         
2390         
2391         function renderDayOverlay(overlayStart, overlayEnd, refreshCoordinateGrid) { // overlayEnd is exclusive
2392                 if (refreshCoordinateGrid) {
2393                         coordinateGrid.build();
2394                 }
2395                 var rowStart = cloneDate(t.visStart);
2396                 var rowEnd = addDays(cloneDate(rowStart), colCnt);
2397                 for (var i=0; i<rowCnt; i++) {
2398                         var stretchStart = new Date(Math.max(rowStart, overlayStart));
2399                         var stretchEnd = new Date(Math.min(rowEnd, overlayEnd));
2400                         if (stretchStart < stretchEnd) {
2401                                 var colStart, colEnd;
2402                                 if (rtl) {
2403                                         colStart = dayDiff(stretchEnd, rowStart)*dis+dit+1;
2404                                         colEnd = dayDiff(stretchStart, rowStart)*dis+dit+1;
2405                                 }else{
2406                                         colStart = dayDiff(stretchStart, rowStart);
2407                                         colEnd = dayDiff(stretchEnd, rowStart);
2408                                 }
2409                                 dayBind(
2410                                         renderCellOverlay(i, colStart, i, colEnd-1)
2411                                 );
2412                         }
2413                         addDays(rowStart, 7);
2414                         addDays(rowEnd, 7);
2415                 }
2416         }
2417         
2418         
2419         function renderCellOverlay(row0, col0, row1, col1) { // row1,col1 is inclusive
2420                 var rect = coordinateGrid.rect(row0, col0, row1, col1, element);
2421                 return renderOverlay(rect, element);
2422         }
2423         
2424         
2425         
2426         /* Selection
2427         -----------------------------------------------------------------------*/
2428         
2429         
2430         function defaultSelectionEnd(startDate, allDay) {
2431                 return cloneDate(startDate);
2432         }
2433         
2434         
2435         function renderSelection(startDate, endDate, allDay) {
2436                 renderDayOverlay(startDate, addDays(cloneDate(endDate), 1), true); // rebuild every time???
2437         }
2438         
2439         
2440         function clearSelection() {
2441                 clearOverlays();
2442         }
2443         
2444         
2445         function reportDayClick(date, allDay, ev) {
2446                 var cell = dateCell(date);
2447                 var _element = bodyCells[cell.row*colCnt + cell.col];
2448                 trigger('dayClick', _element, date, allDay, ev);
2449         }
2450         
2451         
2452         
2453         /* External Dragging
2454         -----------------------------------------------------------------------*/
2455         
2456         
2457         function dragStart(_dragElement, ev, ui) {
2458                 hoverListener.start(function(cell) {
2459                         clearOverlays();
2460                         if (cell) {
2461                                 renderCellOverlay(cell.row, cell.col, cell.row, cell.col);
2462                         }
2463                 }, ev);
2464         }
2465         
2466         
2467         function dragStop(_dragElement, ev, ui) {
2468                 var cell = hoverListener.stop();
2469                 clearOverlays();
2470                 if (cell) {
2471                         var d = cellDate(cell);
2472                         trigger('drop', _dragElement, d, true, ev, ui);
2473                 }
2474         }
2475         
2476         
2477         
2478         /* Utilities
2479         --------------------------------------------------------*/
2480         
2481         
2482         function defaultEventEnd(event) {
2483                 return cloneDate(event.start);
2484         }
2485         
2486         
2487         coordinateGrid = new CoordinateGrid(function(rows, cols) {
2488                 var e, n, p;
2489                 headCells.each(function(i, _e) {
2490                         e = $(_e);
2491                         n = e.offset().left;
2492                         if (i) {
2493                                 p[1] = n;
2494                         }
2495                         p = [n];
2496                         cols[i] = p;
2497                 });
2498                 p[1] = n + e.outerWidth();
2499                 bodyRows.each(function(i, _e) {
2500                         if (i < rowCnt) {
2501                                 e = $(_e);
2502                                 n = e.offset().top;
2503                                 if (i) {
2504                                         p[1] = n;
2505                                 }
2506                                 p = [n];
2507                                 rows[i] = p;
2508                         }
2509                 });
2510                 p[1] = n + e.outerHeight();
2511         });
2512         
2513         
2514         hoverListener = new HoverListener(coordinateGrid);
2515         
2516         
2517         colContentPositions = new HorizontalPositionCache(function(col) {
2518                 return bodyCellTopInners.eq(col);
2519         });
2520         
2521         
2522         function colContentLeft(col) {
2523                 return colContentPositions.left(col);
2524         }
2525         
2526         
2527         function colContentRight(col) {
2528                 return colContentPositions.right(col);
2529         }
2530         
2531         
2532         
2533         
2534         function dateCell(date) {
2535                 return {
2536                         row: Math.floor(dayDiff(date, t.visStart) / 7),
2537                         col: dayOfWeekCol(date.getDay())
2538                 };
2539         }
2540         
2541         
2542         function cellDate(cell) {
2543                 return _cellDate(cell.row, cell.col);
2544         }
2545         
2546         
2547         function _cellDate(row, col) {
2548                 return addDays(cloneDate(t.visStart), row*7 + col*dis+dit);
2549                 // what about weekends in middle of week?
2550         }
2551         
2552         
2553         function indexDate(index) {
2554                 return _cellDate(Math.floor(index/colCnt), index%colCnt);
2555         }
2556         
2557         
2558         function dayOfWeekCol(dayOfWeek) {
2559                 return ((dayOfWeek - Math.max(firstDay, nwe) + colCnt) % colCnt) * dis + dit;
2560         }
2561         
2562         
2563         
2564         
2565         function allDayRow(i) {
2566                 return bodyRows.eq(i);
2567         }
2568         
2569         
2570         function allDayBounds(i) {
2571                 return {
2572                         left: 0,
2573                         right: viewWidth
2574                 };
2575         }
2576         
2577         
2578 }
2579
2580 function BasicEventRenderer() {
2581         var t = this;
2582         
2583         
2584         // exports
2585         t.renderEvents = renderEvents;
2586         t.compileDaySegs = compileSegs; // for DayEventRenderer
2587         t.clearEvents = clearEvents;
2588         t.bindDaySeg = bindDaySeg;
2589         
2590         
2591         // imports
2592         DayEventRenderer.call(t);
2593         var opt = t.opt;
2594         var trigger = t.trigger;
2595         //var setOverflowHidden = t.setOverflowHidden;
2596         var isEventDraggable = t.isEventDraggable;
2597         var isEventResizable = t.isEventResizable;
2598         var reportEvents = t.reportEvents;
2599         var reportEventClear = t.reportEventClear;
2600         var eventElementHandlers = t.eventElementHandlers;
2601         var showEvents = t.showEvents;
2602         var hideEvents = t.hideEvents;
2603         var eventDrop = t.eventDrop;
2604         var getDaySegmentContainer = t.getDaySegmentContainer;
2605         var getHoverListener = t.getHoverListener;
2606         var renderDayOverlay = t.renderDayOverlay;
2607         var clearOverlays = t.clearOverlays;
2608         var getRowCnt = t.getRowCnt;
2609         var getColCnt = t.getColCnt;
2610         var renderDaySegs = t.renderDaySegs;
2611         var resizableDayEvent = t.resizableDayEvent;
2612         
2613         
2614         
2615         /* Rendering
2616         --------------------------------------------------------------------*/
2617         
2618         
2619         function renderEvents(events, modifiedEventId) {
2620                 reportEvents(events);
2621                 renderDaySegs(compileSegs(events), modifiedEventId);
2622         }
2623         
2624         
2625         function clearEvents() {
2626                 reportEventClear();
2627                 getDaySegmentContainer().empty();
2628         }
2629         
2630         
2631         function compileSegs(events) {
2632                 var rowCnt = getRowCnt(),
2633                         colCnt = getColCnt(),
2634                         d1 = cloneDate(t.visStart),
2635                         d2 = addDays(cloneDate(d1), colCnt),
2636                         visEventsEnds = $.map(events, exclEndDay),
2637                         i, row,
2638                         j, level,
2639                         k, seg,
2640                         segs=[];
2641                 for (i=0; i<rowCnt; i++) {
2642                         row = stackSegs(sliceSegs(events, visEventsEnds, d1, d2));
2643                         for (j=0; j<row.length; j++) {
2644                                 level = row[j];
2645                                 for (k=0; k<level.length; k++) {
2646                                         seg = level[k];
2647                                         seg.row = i;
2648                                         seg.level = j; // not needed anymore
2649                                         segs.push(seg);
2650                                 }
2651                         }
2652                         addDays(d1, 7);
2653                         addDays(d2, 7);
2654                 }
2655                 return segs;
2656         }
2657         
2658         
2659         function bindDaySeg(event, eventElement, seg) {
2660                 if (isEventDraggable(event)) {
2661                         draggableDayEvent(event, eventElement);
2662                 }
2663                 if (seg.isEnd && isEventResizable(event)) {
2664                         resizableDayEvent(event, eventElement, seg);
2665                 }
2666                 eventElementHandlers(event, eventElement);
2667                         // needs to be after, because resizableDayEvent might stopImmediatePropagation on click
2668         }
2669         
2670         
2671         
2672         /* Dragging
2673         ----------------------------------------------------------------------------*/
2674         
2675         
2676         function draggableDayEvent(event, eventElement) {
2677                 var hoverListener = getHoverListener();
2678                 var dayDelta;
2679                 eventElement.draggable({
2680                         zIndex: 9,
2681                         delay: 50,
2682                         opacity: opt('dragOpacity'),
2683                         revertDuration: opt('dragRevertDuration'),
2684                         start: function(ev, ui) {
2685                                 trigger('eventDragStart', eventElement, event, ev, ui);
2686                                 hideEvents(event, eventElement);
2687                                 hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
2688                                         eventElement.draggable('option', 'revert', !cell || !rowDelta && !colDelta);
2689                                         clearOverlays();
2690                                         if (cell) {
2691                                                 //setOverflowHidden(true);
2692                                                 dayDelta = rowDelta*7 + colDelta * (opt('isRTL') ? -1 : 1);
2693                                                 renderDayOverlay(
2694                                                         addDays(cloneDate(event.start), dayDelta),
2695                                                         addDays(exclEndDay(event), dayDelta)
2696                                                 );
2697                                         }else{
2698                                                 //setOverflowHidden(false);
2699                                                 dayDelta = 0;
2700                                         }
2701                                 }, ev, 'drag');
2702                         },
2703                         stop: function(ev, ui) {
2704                                 hoverListener.stop();
2705                                 clearOverlays();
2706                                 trigger('eventDragStop', eventElement, event, ev, ui);
2707                                 if (dayDelta) {
2708                                         eventDrop(this, event, dayDelta, 0, event.allDay, ev, ui);
2709                                 }else{
2710                                         eventElement.css('filter', ''); // clear IE opacity side-effects
2711                                         showEvents(event, eventElement);
2712                                 }
2713                                 //setOverflowHidden(false);
2714                         }
2715                 });
2716         }
2717
2718
2719 }
2720
2721 fcViews.agendaWeek = AgendaWeekView;
2722
2723 function AgendaWeekView(element, calendar) {
2724         var t = this;
2725         
2726         
2727         // exports
2728         t.render = render;
2729         
2730         
2731         // imports
2732         AgendaView.call(t, element, calendar, 'agendaWeek');
2733         var opt = t.opt;
2734         var renderAgenda = t.renderAgenda;
2735         var formatDates = calendar.formatDates;
2736         
2737         
2738         
2739         function render(date, delta) {
2740                 if (delta) {
2741                         addDays(date, delta * 7);
2742                 }
2743                 var start = addDays(cloneDate(date), -((date.getDay() - opt('firstDay') + 7) % 7));
2744                 var end = addDays(cloneDate(start), 7);
2745                 var visStart = cloneDate(start);
2746                 var visEnd = cloneDate(end);
2747                 var weekends = opt('weekends');
2748                 if (!weekends) {
2749                         skipWeekend(visStart);
2750                         skipWeekend(visEnd, -1, true);
2751                 }
2752                 t.title = formatDates(
2753                         visStart,
2754                         addDays(cloneDate(visEnd), -1),
2755                         opt('titleFormat')
2756                 );
2757                 t.start = start;
2758                 t.end = end;
2759                 t.visStart = visStart;
2760                 t.visEnd = visEnd;
2761                 renderAgenda(weekends ? 7 : 5);
2762         }
2763         
2764
2765 }
2766
2767 fcViews.agendaDay = AgendaDayView;
2768
2769 function AgendaDayView(element, calendar) {
2770         var t = this;
2771         
2772         
2773         // exports
2774         t.render = render;
2775         
2776         
2777         // imports
2778         AgendaView.call(t, element, calendar, 'agendaDay');
2779         var opt = t.opt;
2780         var renderAgenda = t.renderAgenda;
2781         var formatDate = calendar.formatDate;
2782         
2783         
2784         
2785         function render(date, delta) {
2786                 if (delta) {
2787                         addDays(date, delta);
2788                         if (!opt('weekends')) {
2789                                 skipWeekend(date, delta < 0 ? -1 : 1);
2790                         }
2791                 }
2792                 var start = cloneDate(date, true);
2793                 var end = addDays(cloneDate(start), 1);
2794                 t.title = formatDate(date, opt('titleFormat'));
2795                 t.start = t.visStart = start;
2796                 t.end = t.visEnd = end;
2797                 renderAgenda(1);
2798         }
2799         
2800
2801 }
2802
2803 setDefaults({
2804         allDaySlot: true,
2805         allDayText: 'all-day',
2806         firstHour: 6,
2807         slotMinutes: 30,
2808         defaultEventMinutes: 120,
2809         axisFormat: 'h(:mm)tt',
2810         timeFormat: {
2811                 agenda: 'h:mm{ - h:mm}'
2812         },
2813         dragOpacity: {
2814                 agenda: .5
2815         },
2816         minTime: 0,
2817         maxTime: 24
2818 });
2819
2820
2821 // TODO: make it work in quirks mode (event corners, all-day height)
2822 // TODO: test liquid width, especially in IE6
2823
2824
2825 function AgendaView(element, calendar, viewName) {
2826         var t = this;
2827         
2828         
2829         // exports
2830         t.renderAgenda = renderAgenda;
2831         t.setWidth = setWidth;
2832         t.setHeight = setHeight;
2833         t.beforeHide = beforeHide;
2834         t.afterShow = afterShow;
2835         t.defaultEventEnd = defaultEventEnd;
2836         t.timePosition = timePosition;
2837         t.dayOfWeekCol = dayOfWeekCol;
2838         t.dateCell = dateCell;
2839         t.cellDate = cellDate;
2840         t.cellIsAllDay = cellIsAllDay;
2841         t.allDayRow = getAllDayRow;
2842         t.allDayBounds = allDayBounds;
2843         t.getHoverListener = function() { return hoverListener };
2844         t.colContentLeft = colContentLeft;
2845         t.colContentRight = colContentRight;
2846         t.getDaySegmentContainer = function() { return daySegmentContainer };
2847         t.getSlotSegmentContainer = function() { return slotSegmentContainer };
2848         t.getMinMinute = function() { return minMinute };
2849         t.getMaxMinute = function() { return maxMinute };
2850         t.getBodyContent = function() { return slotContent }; // !!??
2851         t.getRowCnt = function() { return 1 };
2852         t.getColCnt = function() { return colCnt };
2853         t.getColWidth = function() { return colWidth };
2854         t.getSlotHeight = function() { return slotHeight };
2855         t.defaultSelectionEnd = defaultSelectionEnd;
2856         t.renderDayOverlay = renderDayOverlay;
2857         t.renderSelection = renderSelection;
2858         t.clearSelection = clearSelection;
2859         t.reportDayClick = reportDayClick; // selection mousedown hack
2860         t.dragStart = dragStart;
2861         t.dragStop = dragStop;
2862         
2863         
2864         // imports
2865         View.call(t, element, calendar, viewName);
2866         OverlayManager.call(t);
2867         SelectionManager.call(t);
2868         AgendaEventRenderer.call(t);
2869         var opt = t.opt;
2870         var trigger = t.trigger;
2871         var clearEvents = t.clearEvents;
2872         var renderOverlay = t.renderOverlay;
2873         var clearOverlays = t.clearOverlays;
2874         var reportSelection = t.reportSelection;
2875         var unselect = t.unselect;
2876         var daySelectionMousedown = t.daySelectionMousedown;
2877         var slotSegHtml = t.slotSegHtml;
2878         var formatDate = calendar.formatDate;
2879         
2880         
2881         // locals
2882         
2883         var dayTable;
2884         var dayHead;
2885         var dayHeadCells;
2886         var dayBody;
2887         var dayBodyCells;
2888         var dayBodyCellInners;
2889         var dayBodyFirstCell;
2890         var dayBodyFirstCellStretcher;
2891         var slotLayer;
2892         var daySegmentContainer;
2893         var allDayTable;
2894         var allDayRow;
2895         var slotScroller;
2896         var slotContent;
2897         var slotSegmentContainer;
2898         var slotTable;
2899         var slotTableFirstInner;
2900         var axisFirstCells;
2901         var gutterCells;
2902         var selectionHelper;
2903         
2904         var viewWidth;
2905         var viewHeight;
2906         var axisWidth;
2907         var colWidth;
2908         var gutterWidth;
2909         var slotHeight; // TODO: what if slotHeight changes? (see issue 650)
2910         var savedScrollTop;
2911         
2912         var colCnt;
2913         var slotCnt;
2914         var coordinateGrid;
2915         var hoverListener;
2916         var colContentPositions;
2917         var slotTopCache = {};
2918         
2919         var tm;
2920         var firstDay;
2921         var nwe;            // no weekends (int)
2922         var rtl, dis, dit;  // day index sign / translate
2923         var minMinute, maxMinute;
2924         var colFormat;
2925         
2926
2927         
2928         /* Rendering
2929         -----------------------------------------------------------------------------*/
2930         
2931         
2932         disableTextSelection(element.addClass('fc-agenda'));
2933         
2934         
2935         function renderAgenda(c) {
2936                 colCnt = c;
2937                 updateOptions();
2938                 if (!dayTable) {
2939                         buildSkeleton();
2940                 }else{
2941                         clearEvents();
2942                 }
2943                 updateCells();
2944         }
2945         
2946         
2947         
2948         function updateOptions() {
2949                 tm = opt('theme') ? 'ui' : 'fc';
2950                 nwe = opt('weekends') ? 0 : 1;
2951                 firstDay = opt('firstDay');
2952                 if (rtl = opt('isRTL')) {
2953                         dis = -1;
2954                         dit = colCnt - 1;
2955                 }else{
2956                         dis = 1;
2957                         dit = 0;
2958                 }
2959                 minMinute = parseTime(opt('minTime'));
2960                 maxMinute = parseTime(opt('maxTime'));
2961                 colFormat = opt('columnFormat');
2962         }
2963         
2964         
2965         
2966         function buildSkeleton() {
2967                 var headerClass = tm + "-widget-header";
2968                 var contentClass = tm + "-widget-content";
2969                 var s;
2970                 var i;
2971                 var d;
2972                 var maxd;
2973                 var minutes;
2974                 var slotNormal = opt('slotMinutes') % 15 == 0;
2975                 
2976                 s =
2977                         "<table style='width:100%' class='fc-agenda-days fc-border-separate' cellspacing='0'>" +
2978                         "<thead>" +
2979                         "<tr>" +
2980                         "<th class='fc-agenda-axis " + headerClass + "'>&nbsp;</th>";
2981                 for (i=0; i<colCnt; i++) {
2982                         s +=
2983                                 "<th class='fc- fc-col" + i + ' ' + headerClass + "'/>"; // fc- needed for setDayID
2984                 }
2985                 s +=
2986                         "<th class='fc-agenda-gutter " + headerClass + "'>&nbsp;</th>" +
2987                         "</tr>" +
2988                         "</thead>" +
2989                         "<tbody>" +
2990                         "<tr>" +
2991                         "<th class='fc-agenda-axis " + headerClass + "'>&nbsp;</th>";
2992                 for (i=0; i<colCnt; i++) {
2993                         s +=
2994                                 "<td class='fc- fc-col" + i + ' ' + contentClass + "'>" + // fc- needed for setDayID
2995                                 "<div>" +
2996                                 "<div class='fc-day-content'>" +
2997                                 "<div style='position:relative'>&nbsp;</div>" +
2998                                 "</div>" +
2999                                 "</div>" +
3000                                 "</td>";
3001                 }
3002                 s +=
3003                         "<td class='fc-agenda-gutter " + contentClass + "'>&nbsp;</td>" +
3004                         "</tr>" +
3005                         "</tbody>" +
3006                         "</table>";
3007                 dayTable = $(s).appendTo(element);
3008                 dayHead = dayTable.find('thead');
3009                 dayHeadCells = dayHead.find('th').slice(1, -1);
3010                 dayBody = dayTable.find('tbody');
3011                 dayBodyCells = dayBody.find('td').slice(0, -1);
3012                 dayBodyCellInners = dayBodyCells.find('div.fc-day-content div');
3013                 dayBodyFirstCell = dayBodyCells.eq(0);
3014                 dayBodyFirstCellStretcher = dayBodyFirstCell.find('> div');
3015                 
3016                 markFirstLast(dayHead.add(dayHead.find('tr')));
3017                 markFirstLast(dayBody.add(dayBody.find('tr')));
3018                 
3019                 axisFirstCells = dayHead.find('th:first');
3020                 gutterCells = dayTable.find('.fc-agenda-gutter');
3021                 
3022                 slotLayer =
3023                         $("<div style='position:absolute;z-index:2;left:0;width:100%'/>")
3024                                 .appendTo(element);
3025                                 
3026                 if (opt('allDaySlot')) {
3027                 
3028                         daySegmentContainer =
3029                                 $("<div style='position:absolute;z-index:8;top:0;left:0'/>")
3030                                         .appendTo(slotLayer);
3031                 
3032                         s =
3033                                 "<table style='width:100%' class='fc-agenda-allday' cellspacing='0'>" +
3034                                 "<tr>" +
3035                                 "<th class='" + headerClass + " fc-agenda-axis'>" + opt('allDayText') + "</th>" +
3036                                 "<td>" +
3037                                 "<div class='fc-day-content'><div style='position:relative'/></div>" +
3038                                 "</td>" +
3039                                 "<th class='" + headerClass + " fc-agenda-gutter'>&nbsp;</th>" +
3040                                 "</tr>" +
3041                                 "</table>";
3042                         allDayTable = $(s).appendTo(slotLayer);
3043                         allDayRow = allDayTable.find('tr');
3044                         
3045                         dayBind(allDayRow.find('td'));
3046                         
3047                         axisFirstCells = axisFirstCells.add(allDayTable.find('th:first'));
3048                         gutterCells = gutterCells.add(allDayTable.find('th.fc-agenda-gutter'));
3049                         
3050                         slotLayer.append(
3051                                 "<div class='fc-agenda-divider " + headerClass + "'>" +
3052                                 "<div class='fc-agenda-divider-inner'/>" +
3053                                 "</div>"
3054                         );
3055                         
3056                 }else{
3057                 
3058                         daySegmentContainer = $([]); // in jQuery 1.4, we can just do $()
3059                 
3060                 }
3061                 
3062                 slotScroller =
3063                         $("<div style='position:absolute;width:100%;overflow-x:hidden;overflow-y:auto'/>")
3064                                 .appendTo(slotLayer);
3065                                 
3066                 slotContent =
3067                         $("<div style='position:relative;width:100%;overflow:hidden'/>")
3068                                 .appendTo(slotScroller);
3069                                 
3070                 slotSegmentContainer =
3071                         $("<div style='position:absolute;z-index:8;top:0;left:0'/>")
3072                                 .appendTo(slotContent);
3073                 
3074                 s =
3075                         "<table class='fc-agenda-slots' style='width:100%' cellspacing='0'>" +
3076                         "<tbody>";
3077                 d = zeroDate();
3078                 maxd = addMinutes(cloneDate(d), maxMinute);
3079                 addMinutes(d, minMinute);
3080                 slotCnt = 0;
3081                 for (i=0; d < maxd; i++) {
3082                         minutes = d.getMinutes();
3083                         s +=
3084                                 "<tr class='fc-slot" + i + ' ' + (!minutes ? '' : 'fc-minor') + "'>" +
3085                                 "<th class='fc-agenda-axis " + headerClass + "'>" +
3086                                 ((!slotNormal || !minutes) ? formatDate(d, opt('axisFormat')) : '&nbsp;') +
3087                                 "</th>" +
3088                                 "<td class='" + contentClass + "'>" +
3089                                 "<div style='position:relative'>&nbsp;</div>" +
3090                                 "</td>" +
3091                                 "</tr>";
3092                         addMinutes(d, opt('slotMinutes'));
3093                         slotCnt++;
3094                 }
3095                 s +=
3096                         "</tbody>" +
3097                         "</table>";
3098                 slotTable = $(s).appendTo(slotContent);
3099                 slotTableFirstInner = slotTable.find('div:first');
3100                 
3101                 slotBind(slotTable.find('td'));
3102                 
3103                 axisFirstCells = axisFirstCells.add(slotTable.find('th:first'));
3104         }
3105         
3106         
3107         
3108         function updateCells() {
3109                 var i;
3110                 var headCell;
3111                 var bodyCell;
3112                 var date;
3113                 var today = clearTime(new Date());
3114                 for (i=0; i<colCnt; i++) {
3115                         date = colDate(i);
3116                         headCell = dayHeadCells.eq(i);
3117                         headCell.html(formatDate(date, colFormat));
3118                         bodyCell = dayBodyCells.eq(i);
3119                         if (+date == +today) {
3120                                 bodyCell.addClass(tm + '-state-highlight fc-today');
3121                         }else{
3122                                 bodyCell.removeClass(tm + '-state-highlight fc-today');
3123                         }
3124                         setDayID(headCell.add(bodyCell), date);
3125                 }
3126         }
3127         
3128         
3129         
3130         function setHeight(height, dateChanged) {
3131                 if (height === undefined) {
3132                         height = viewHeight;
3133                 }
3134                 viewHeight = height;
3135                 slotTopCache = {};
3136         
3137                 var headHeight = dayBody.position().top;
3138                 var allDayHeight = slotScroller.position().top; // including divider
3139                 var bodyHeight = Math.min( // total body height, including borders
3140                         height - headHeight,   // when scrollbars
3141                         slotTable.height() + allDayHeight + 1 // when no scrollbars. +1 for bottom border
3142                 );
3143                 
3144                 dayBodyFirstCellStretcher
3145                         .height(bodyHeight - vsides(dayBodyFirstCell));
3146                 
3147                 slotLayer.css('top', headHeight);
3148                 
3149                 slotScroller.height(bodyHeight - allDayHeight - 1);
3150                 
3151                 slotHeight = slotTableFirstInner.height() + 1; // +1 for border
3152                 
3153                 if (dateChanged) {
3154                         resetScroll();
3155                 }
3156         }
3157         
3158         
3159         
3160         function setWidth(width) {
3161                 viewWidth = width;
3162                 colContentPositions.clear();
3163                 
3164                 axisWidth = 0;
3165                 setOuterWidth(
3166                         axisFirstCells
3167                                 .width('')
3168                                 .each(function(i, _cell) {
3169                                         axisWidth = Math.max(axisWidth, $(_cell).outerWidth());
3170                                 }),
3171                         axisWidth
3172                 );
3173                 
3174                 var slotTableWidth = slotScroller[0].clientWidth; // needs to be done after axisWidth (for IE7)
3175                 //slotTable.width(slotTableWidth);
3176                 
3177                 gutterWidth = slotScroller.width() - slotTableWidth;
3178                 if (gutterWidth) {
3179                         setOuterWidth(gutterCells, gutterWidth);
3180                         gutterCells
3181                                 .show()
3182                                 .prev()
3183                                 .removeClass('fc-last');
3184                 }else{
3185                         gutterCells
3186                                 .hide()
3187                                 .prev()
3188                                 .addClass('fc-last');
3189                 }
3190                 
3191                 colWidth = Math.floor((slotTableWidth - axisWidth) / colCnt);
3192                 setOuterWidth(dayHeadCells.slice(0, -1), colWidth);
3193         }
3194         
3195
3196
3197         function resetScroll() {
3198                 var d0 = zeroDate();
3199                 var scrollDate = cloneDate(d0);
3200                 scrollDate.setHours(opt('firstHour'));
3201                 var top = timePosition(d0, scrollDate) + 1; // +1 for the border
3202                 function scroll() {
3203                         slotScroller.scrollTop(top);
3204                 }
3205                 scroll();
3206                 setTimeout(scroll, 0); // overrides any previous scroll state made by the browser
3207         }
3208         
3209         
3210         function beforeHide() {
3211                 savedScrollTop = slotScroller.scrollTop();
3212         }
3213         
3214         
3215         function afterShow() {
3216                 slotScroller.scrollTop(savedScrollTop);
3217         }
3218         
3219         
3220         
3221         /* Slot/Day clicking and binding
3222         -----------------------------------------------------------------------*/
3223         
3224
3225         function dayBind(cells) {
3226                 cells.click(slotClick)
3227                         .mousedown(daySelectionMousedown);
3228         }
3229
3230
3231         function slotBind(cells) {
3232                 cells.click(slotClick)
3233                         .mousedown(slotSelectionMousedown);
3234         }
3235         
3236         
3237         function slotClick(ev) {
3238                 if (!opt('selectable')) { // if selectable, SelectionManager will worry about dayClick
3239                         var col = Math.min(colCnt-1, Math.floor((ev.pageX - dayTable.offset().left - axisWidth) / colWidth));
3240                         var date = colDate(col);
3241                         var rowMatch = this.parentNode.className.match(/fc-slot(\d+)/); // TODO: maybe use data
3242                         if (rowMatch) {
3243                                 var mins = parseInt(rowMatch[1]) * opt('slotMinutes');
3244                                 var hours = Math.floor(mins/60);
3245                                 date.setHours(hours);
3246                                 date.setMinutes(mins%60 + minMinute);
3247                                 trigger('dayClick', dayBodyCells[col], date, false, ev);
3248                         }else{
3249                                 trigger('dayClick', dayBodyCells[col], date, true, ev);
3250                         }
3251                 }
3252         }
3253         
3254         
3255         
3256         /* Semi-transparent Overlay Helpers
3257         -----------------------------------------------------*/
3258         
3259
3260         function renderDayOverlay(startDate, endDate, refreshCoordinateGrid) { // endDate is exclusive
3261                 if (refreshCoordinateGrid) {
3262                         coordinateGrid.build();
3263                 }
3264                 var visStart = cloneDate(t.visStart);
3265                 var startCol, endCol;
3266                 if (rtl) {
3267                         startCol = dayDiff(endDate, visStart)*dis+dit+1;
3268                         endCol = dayDiff(startDate, visStart)*dis+dit+1;
3269                 }else{
3270                         startCol = dayDiff(startDate, visStart);
3271                         endCol = dayDiff(endDate, visStart);
3272                 }
3273                 startCol = Math.max(0, startCol);
3274                 endCol = Math.min(colCnt, endCol);
3275                 if (startCol < endCol) {
3276                         dayBind(
3277                                 renderCellOverlay(0, startCol, 0, endCol-1)
3278                         );
3279                 }
3280         }
3281         
3282         
3283         function renderCellOverlay(row0, col0, row1, col1) { // only for all-day?
3284                 var rect = coordinateGrid.rect(row0, col0, row1, col1, slotLayer);
3285                 return renderOverlay(rect, slotLayer);
3286         }
3287         
3288
3289         function renderSlotOverlay(overlayStart, overlayEnd) {
3290                 var dayStart = cloneDate(t.visStart);
3291                 var dayEnd = addDays(cloneDate(dayStart), 1);
3292                 for (var i=0; i<colCnt; i++) {
3293                         var stretchStart = new Date(Math.max(dayStart, overlayStart));
3294                         var stretchEnd = new Date(Math.min(dayEnd, overlayEnd));
3295                         if (stretchStart < stretchEnd) {
3296                                 var col = i*dis+dit;
3297                                 var rect = coordinateGrid.rect(0, col, 0, col, slotContent); // only use it for horizontal coords
3298                                 var top = timePosition(dayStart, stretchStart);
3299                                 var bottom = timePosition(dayStart, stretchEnd);
3300                                 rect.top = top;
3301                                 rect.height = bottom - top;
3302                                 slotBind(
3303                                         renderOverlay(rect, slotContent)
3304                                 );
3305                         }
3306                         addDays(dayStart, 1);
3307                         addDays(dayEnd, 1);
3308                 }
3309         }
3310         
3311         
3312         
3313         /* Coordinate Utilities
3314         -----------------------------------------------------------------------------*/
3315         
3316         
3317         coordinateGrid = new CoordinateGrid(function(rows, cols) {
3318                 var e, n, p;
3319                 dayHeadCells.each(function(i, _e) {
3320                         e = $(_e);
3321                         n = e.offset().left;
3322                         if (i) {
3323                                 p[1] = n;
3324                         }
3325                         p = [n];
3326                         cols[i] = p;
3327                 });
3328                 p[1] = n + e.outerWidth();
3329                 if (opt('allDaySlot')) {
3330                         e = allDayRow;
3331                         n = e.offset().top;
3332                         rows[0] = [n, n+e.outerHeight()];
3333                 }
3334                 var slotTableTop = slotContent.offset().top;
3335                 var slotScrollerTop = slotScroller.offset().top;
3336                 var slotScrollerBottom = slotScrollerTop + slotScroller.outerHeight();
3337                 function constrain(n) {
3338                         return Math.max(slotScrollerTop, Math.min(slotScrollerBottom, n));
3339                 }
3340                 for (var i=0; i<slotCnt; i++) {
3341                         rows.push([
3342                                 constrain(slotTableTop + slotHeight*i),
3343                                 constrain(slotTableTop + slotHeight*(i+1))
3344                         ]);
3345                 }
3346         });
3347         
3348         
3349         hoverListener = new HoverListener(coordinateGrid);
3350         
3351         
3352         colContentPositions = new HorizontalPositionCache(function(col) {
3353                 return dayBodyCellInners.eq(col);
3354         });
3355         
3356         
3357         function colContentLeft(col) {
3358                 return colContentPositions.left(col);
3359         }
3360         
3361         
3362         function colContentRight(col) {
3363                 return colContentPositions.right(col);
3364         }
3365         
3366         
3367         
3368         
3369         function dateCell(date) { // "cell" terminology is now confusing
3370                 return {
3371                         row: Math.floor(dayDiff(date, t.visStart) / 7),
3372                         col: dayOfWeekCol(date.getDay())
3373                 };
3374         }
3375         
3376         
3377         function cellDate(cell) {
3378                 var d = colDate(cell.col);
3379                 var slotIndex = cell.row;
3380                 if (opt('allDaySlot')) {
3381                         slotIndex--;
3382                 }
3383                 if (slotIndex >= 0) {
3384                         addMinutes(d, minMinute + slotIndex * opt('slotMinutes'));
3385                 }
3386                 return d;
3387         }
3388         
3389         
3390         function colDate(col) { // returns dates with 00:00:00
3391                 return addDays(cloneDate(t.visStart), col*dis+dit);
3392         }
3393         
3394         
3395         function cellIsAllDay(cell) {
3396                 return opt('allDaySlot') && !cell.row;
3397         }
3398         
3399         
3400         function dayOfWeekCol(dayOfWeek) {
3401                 return ((dayOfWeek - Math.max(firstDay, nwe) + colCnt) % colCnt)*dis+dit;
3402         }
3403         
3404         
3405         
3406         
3407         // get the Y coordinate of the given time on the given day (both Date objects)
3408         function timePosition(day, time) { // both date objects. day holds 00:00 of current day
3409                 day = cloneDate(day, true);
3410                 if (time < addMinutes(cloneDate(day), minMinute)) {
3411                         return 0;
3412                 }
3413                 if (time >= addMinutes(cloneDate(day), maxMinute)) {
3414                         return slotTable.height();
3415                 }
3416                 var slotMinutes = opt('slotMinutes'),
3417                         minutes = time.getHours()*60 + time.getMinutes() - minMinute,
3418                         slotI = Math.floor(minutes / slotMinutes),
3419                         slotTop = slotTopCache[slotI];
3420                 if (slotTop === undefined) {
3421                         slotTop = slotTopCache[slotI] = slotTable.find('tr:eq(' + slotI + ') td div')[0].offsetTop; //.position().top; // need this optimization???
3422                 }
3423                 return Math.max(0, Math.round(
3424                         slotTop - 1 + slotHeight * ((minutes % slotMinutes) / slotMinutes)
3425                 ));
3426         }
3427         
3428         
3429         function allDayBounds() {
3430                 return {
3431                         left: axisWidth,
3432                         right: viewWidth - gutterWidth
3433                 }
3434         }
3435         
3436         
3437         function getAllDayRow(index) {
3438                 return allDayRow;
3439         }
3440         
3441         
3442         function defaultEventEnd(event) {
3443                 var start = cloneDate(event.start);
3444                 if (event.allDay) {
3445                         return start;
3446                 }
3447                 return addMinutes(start, opt('defaultEventMinutes'));
3448         }
3449         
3450         
3451         
3452         /* Selection
3453         ---------------------------------------------------------------------------------*/
3454         
3455         
3456         function defaultSelectionEnd(startDate, allDay) {
3457                 if (allDay) {
3458                         return cloneDate(startDate);
3459                 }
3460                 return addMinutes(cloneDate(startDate), opt('slotMinutes'));
3461         }
3462         
3463         
3464         function renderSelection(startDate, endDate, allDay) { // only for all-day
3465                 if (allDay) {
3466                         if (opt('allDaySlot')) {
3467                                 renderDayOverlay(startDate, addDays(cloneDate(endDate), 1), true);
3468                         }
3469                 }else{
3470                         renderSlotSelection(startDate, endDate);
3471                 }
3472         }
3473         
3474         
3475         function renderSlotSelection(startDate, endDate) {
3476                 var helperOption = opt('selectHelper');
3477                 coordinateGrid.build();
3478                 if (helperOption) {
3479                         var col = dayDiff(startDate, t.visStart) * dis + dit;
3480                         if (col >= 0 && col < colCnt) { // only works when times are on same day
3481                                 var rect = coordinateGrid.rect(0, col, 0, col, slotContent); // only for horizontal coords
3482                                 var top = timePosition(startDate, startDate);
3483                                 var bottom = timePosition(startDate, endDate);
3484                                 if (bottom > top) { // protect against selections that are entirely before or after visible range
3485                                         rect.top = top;
3486                                         rect.height = bottom - top;
3487                                         rect.left += 2;
3488                                         rect.width -= 5;
3489                                         if ($.isFunction(helperOption)) {
3490                                                 var helperRes = helperOption(startDate, endDate);
3491                                                 if (helperRes) {
3492                                                         rect.position = 'absolute';
3493                                                         rect.zIndex = 8;
3494                                                         selectionHelper = $(helperRes)
3495                                                                 .css(rect)
3496                                                                 .appendTo(slotContent);
3497                                                 }
3498                                         }else{
3499                                                 rect.isStart = true; // conside rect a "seg" now
3500                                                 rect.isEnd = true;   //
3501                                                 selectionHelper = $(slotSegHtml(
3502                                                         {
3503                                                                 title: '',
3504                                                                 start: startDate,
3505                                                                 end: endDate,
3506                                                                 className: ['fc-select-helper'],
3507                                                                 editable: false
3508                                                         },
3509                                                         rect
3510                                                 ));
3511                                                 selectionHelper.css('opacity', opt('dragOpacity'));
3512                                         }
3513                                         if (selectionHelper) {
3514                                                 slotBind(selectionHelper);
3515                                                 slotContent.append(selectionHelper);
3516                                                 setOuterWidth(selectionHelper, rect.width, true); // needs to be after appended
3517                                                 setOuterHeight(selectionHelper, rect.height, true);
3518                                         }
3519                                 }
3520                         }
3521                 }else{
3522                         renderSlotOverlay(startDate, endDate);
3523                 }
3524         }
3525         
3526         
3527         function clearSelection() {
3528                 clearOverlays();
3529                 if (selectionHelper) {
3530                         selectionHelper.remove();
3531                         selectionHelper = null;
3532                 }
3533         }
3534         
3535         
3536         function slotSelectionMousedown(ev) {
3537                 if (ev.which == 1 && opt('selectable')) { // ev.which==1 means left mouse button
3538                         unselect(ev);
3539                         var dates;
3540                         hoverListener.start(function(cell, origCell) {
3541                                 clearSelection();
3542                                 if (cell && cell.col == origCell.col && !cellIsAllDay(cell)) {
3543                                         var d1 = cellDate(origCell);
3544                                         var d2 = cellDate(cell);
3545                                         dates = [
3546                                                 d1,
3547                                                 addMinutes(cloneDate(d1), opt('slotMinutes')),
3548                                                 d2,
3549                                                 addMinutes(cloneDate(d2), opt('slotMinutes'))
3550                                         ].sort(cmp);
3551                                         renderSlotSelection(dates[0], dates[3]);
3552                                 }else{
3553                                         dates = null;
3554                                 }
3555                         }, ev);
3556                         $(document).one('mouseup', function(ev) {
3557                                 hoverListener.stop();
3558                                 if (dates) {
3559                                         if (+dates[0] == +dates[1]) {
3560                                                 reportDayClick(dates[0], false, ev);
3561                                         }
3562                                         reportSelection(dates[0], dates[3], false, ev);
3563                                 }
3564                         });
3565                 }
3566         }
3567         
3568         
3569         function reportDayClick(date, allDay, ev) {
3570                 trigger('dayClick', dayBodyCells[dayOfWeekCol(date.getDay())], date, allDay, ev);
3571         }
3572         
3573         
3574         
3575         /* External Dragging
3576         --------------------------------------------------------------------------------*/
3577         
3578         
3579         function dragStart(_dragElement, ev, ui) {
3580                 hoverListener.start(function(cell) {
3581                         clearOverlays();
3582                         if (cell) {
3583                                 if (cellIsAllDay(cell)) {
3584                                         renderCellOverlay(cell.row, cell.col, cell.row, cell.col);
3585                                 }else{
3586                                         var d1 = cellDate(cell);
3587                                         var d2 = addMinutes(cloneDate(d1), opt('defaultEventMinutes'));
3588                                         renderSlotOverlay(d1, d2);
3589                                 }
3590                         }
3591                 }, ev);
3592         }
3593         
3594         
3595         function dragStop(_dragElement, ev, ui) {
3596                 var cell = hoverListener.stop();
3597                 clearOverlays();
3598                 if (cell) {
3599                         trigger('drop', _dragElement, cellDate(cell), cellIsAllDay(cell), ev, ui);
3600                 }
3601         }
3602
3603
3604 }
3605
3606 function AgendaEventRenderer() {
3607         var t = this;
3608         
3609         
3610         // exports
3611         t.renderEvents = renderEvents;
3612         t.compileDaySegs = compileDaySegs; // for DayEventRenderer
3613         t.clearEvents = clearEvents;
3614         t.slotSegHtml = slotSegHtml;
3615         t.bindDaySeg = bindDaySeg;
3616         
3617         
3618         // imports
3619         DayEventRenderer.call(t);
3620         var opt = t.opt;
3621         var trigger = t.trigger;
3622         //var setOverflowHidden = t.setOverflowHidden;
3623         var isEventDraggable = t.isEventDraggable;
3624         var isEventResizable = t.isEventResizable;
3625         var eventEnd = t.eventEnd;
3626         var reportEvents = t.reportEvents;
3627         var reportEventClear = t.reportEventClear;
3628         var eventElementHandlers = t.eventElementHandlers;
3629         var setHeight = t.setHeight;
3630         var getDaySegmentContainer = t.getDaySegmentContainer;
3631         var getSlotSegmentContainer = t.getSlotSegmentContainer;
3632         var getHoverListener = t.getHoverListener;
3633         var getMaxMinute = t.getMaxMinute;
3634         var getMinMinute = t.getMinMinute;
3635         var timePosition = t.timePosition;
3636         var colContentLeft = t.colContentLeft;
3637         var colContentRight = t.colContentRight;
3638         var renderDaySegs = t.renderDaySegs;
3639         var resizableDayEvent = t.resizableDayEvent; // TODO: streamline binding architecture
3640         var getColCnt = t.getColCnt;
3641         var getColWidth = t.getColWidth;
3642         var getSlotHeight = t.getSlotHeight;
3643         var getBodyContent = t.getBodyContent;
3644         var reportEventElement = t.reportEventElement;
3645         var showEvents = t.showEvents;
3646         var hideEvents = t.hideEvents;
3647         var eventDrop = t.eventDrop;
3648         var eventResize = t.eventResize;
3649         var renderDayOverlay = t.renderDayOverlay;
3650         var clearOverlays = t.clearOverlays;
3651         var calendar = t.calendar;
3652         var formatDate = calendar.formatDate;
3653         var formatDates = calendar.formatDates;
3654         
3655         
3656         
3657         /* Rendering
3658         ----------------------------------------------------------------------------*/
3659         
3660
3661         function renderEvents(events, modifiedEventId) {
3662                 reportEvents(events);
3663                 var i, len=events.length,
3664                         dayEvents=[],
3665                         slotEvents=[];
3666                 for (i=0; i<len; i++) {
3667                         if (events[i].allDay) {
3668                                 dayEvents.push(events[i]);
3669                         }else{
3670                                 slotEvents.push(events[i]);
3671                         }
3672                 }
3673                 if (opt('allDaySlot')) {
3674                         renderDaySegs(compileDaySegs(dayEvents), modifiedEventId);
3675                         setHeight(); // no params means set to viewHeight
3676                 }
3677                 renderSlotSegs(compileSlotSegs(slotEvents), modifiedEventId);
3678         }
3679         
3680         
3681         function clearEvents() {
3682                 reportEventClear();
3683                 getDaySegmentContainer().empty();
3684                 getSlotSegmentContainer().empty();
3685         }
3686         
3687         
3688         function compileDaySegs(events) {
3689                 var levels = stackSegs(sliceSegs(events, $.map(events, exclEndDay), t.visStart, t.visEnd)),
3690                         i, levelCnt=levels.length, level,
3691                         j, seg,
3692                         segs=[];
3693                 for (i=0; i<levelCnt; i++) {
3694                         level = levels[i];
3695                         for (j=0; j<level.length; j++) {
3696                                 seg = level[j];
3697                                 seg.row = 0;
3698                                 seg.level = i; // not needed anymore
3699                                 segs.push(seg);
3700                         }
3701                 }
3702                 return segs;
3703         }
3704         
3705         
3706         function compileSlotSegs(events) {
3707                 var colCnt = getColCnt(),
3708                         minMinute = getMinMinute(),
3709                         maxMinute = getMaxMinute(),
3710                         d = addMinutes(cloneDate(t.visStart), minMinute),
3711                         visEventEnds = $.map(events, slotEventEnd),
3712                         i, col,
3713                         j, level,
3714                         k, seg,
3715                         segs=[];
3716                 for (i=0; i<colCnt; i++) {
3717                         col = stackSegs(sliceSegs(events, visEventEnds, d, addMinutes(cloneDate(d), maxMinute-minMinute)));
3718                         countForwardSegs(col);
3719                         for (j=0; j<col.length; j++) {
3720                                 level = col[j];
3721                                 for (k=0; k<level.length; k++) {
3722                                         seg = level[k];
3723                                         seg.col = i;
3724                                         seg.level = j;
3725                                         segs.push(seg);
3726                                 }
3727                         }
3728                         addDays(d, 1, true);
3729                 }
3730                 return segs;
3731         }
3732         
3733         
3734         function slotEventEnd(event) {
3735                 if (event.end) {
3736                         return cloneDate(event.end);
3737                 }else{
3738                         return addMinutes(cloneDate(event.start), opt('defaultEventMinutes'));
3739                 }
3740         }
3741         
3742         
3743         // renders events in the 'time slots' at the bottom
3744         
3745         function renderSlotSegs(segs, modifiedEventId) {
3746         
3747                 var i, segCnt=segs.length, seg,
3748                         event,
3749                         classes,
3750                         top, bottom,
3751                         colI, levelI, forward,
3752                         leftmost,
3753                         availWidth,
3754                         outerWidth,
3755                         left,
3756                         html='',
3757                         eventElements,
3758                         eventElement,
3759                         triggerRes,
3760                         vsideCache={},
3761                         hsideCache={},
3762                         key, val,
3763                         contentElement,
3764                         height,
3765                         slotSegmentContainer = getSlotSegmentContainer(),
3766                         rtl, dis, dit,
3767                         colCnt = getColCnt();
3768                         
3769                 if (rtl = opt('isRTL')) {
3770                         dis = -1;
3771                         dit = colCnt - 1;
3772                 }else{
3773                         dis = 1;
3774                         dit = 0;
3775                 }
3776                         
3777                 // calculate position/dimensions, create html
3778                 for (i=0; i<segCnt; i++) {
3779                         seg = segs[i];
3780                         event = seg.event;
3781                         top = timePosition(seg.start, seg.start);
3782                         bottom = timePosition(seg.start, seg.end);
3783                         colI = seg.col;
3784                         levelI = seg.level;
3785                         forward = seg.forward || 0;
3786                         leftmost = colContentLeft(colI*dis + dit);
3787                         availWidth = colContentRight(colI*dis + dit) - leftmost;
3788                         availWidth = Math.min(availWidth-6, availWidth*.95); // TODO: move this to CSS
3789                         if (levelI) {
3790                                 // indented and thin
3791                                 outerWidth = availWidth / (levelI + forward + 1);
3792                         }else{
3793                                 if (forward) {
3794                                         // moderately wide, aligned left still
3795                                         outerWidth = ((availWidth / (forward + 1)) - (12/2)) * 2; // 12 is the predicted width of resizer =
3796                                 }else{
3797                                         // can be entire width, aligned left
3798                                         outerWidth = availWidth;
3799                                 }
3800                         }
3801                         left = leftmost +                                  // leftmost possible
3802                                 (availWidth / (levelI + forward + 1) * levelI) // indentation
3803                                 * dis + (rtl ? availWidth - outerWidth : 0);   // rtl
3804                         seg.top = top;
3805                         seg.left = left;
3806                         seg.outerWidth = outerWidth;
3807                         seg.outerHeight = bottom - top;
3808                         html += slotSegHtml(event, seg);
3809                 }
3810                 slotSegmentContainer[0].innerHTML = html; // faster than html()
3811                 eventElements = slotSegmentContainer.children();
3812                 
3813                 // retrieve elements, run through eventRender callback, bind event handlers
3814                 for (i=0; i<segCnt; i++) {
3815                         seg = segs[i];
3816                         event = seg.event;
3817                         eventElement = $(eventElements[i]); // faster than eq()
3818                         triggerRes = trigger('eventRender', event, event, eventElement);
3819                         if (triggerRes === false) {
3820                                 eventElement.remove();
3821                         }else{
3822                                 if (triggerRes && triggerRes !== true) {
3823                                         eventElement.remove();
3824                                         eventElement = $(triggerRes)
3825                                                 .css({
3826                                                         position: 'absolute',
3827                                                         top: seg.top,
3828                                                         left: seg.left
3829                                                 })
3830                                                 .appendTo(slotSegmentContainer);
3831                                 }
3832                                 seg.element = eventElement;
3833                                 if (event._id === modifiedEventId) {
3834                                         bindSlotSeg(event, eventElement, seg);
3835                                 }else{
3836                                         eventElement[0]._fci = i; // for lazySegBind
3837                                 }
3838                                 reportEventElement(event, eventElement);
3839                         }
3840                 }
3841                 
3842                 lazySegBind(slotSegmentContainer, segs, bindSlotSeg);
3843                 
3844                 // record event sides and title positions
3845                 for (i=0; i<segCnt; i++) {
3846                         seg = segs[i];
3847                         if (eventElement = seg.element) {
3848                                 val = vsideCache[key = seg.key = cssKey(eventElement[0])];
3849                                 seg.vsides = val === undefined ? (vsideCache[key] = vsides(eventElement, true)) : val;
3850                                 val = hsideCache[key];
3851                                 seg.hsides = val === undefined ? (hsideCache[key] = hsides(eventElement, true)) : val;
3852                                 contentElement = eventElement.find('div.fc-event-content');
3853                                 if (contentElement.length) {
3854                                         seg.contentTop = contentElement[0].offsetTop;
3855                                 }
3856                         }
3857                 }
3858                 
3859                 // set all positions/dimensions at once
3860                 for (i=0; i<segCnt; i++) {
3861                         seg = segs[i];
3862                         if (eventElement = seg.element) {
3863                                 eventElement[0].style.width = Math.max(0, seg.outerWidth - seg.hsides) + 'px';
3864                                 height = Math.max(0, seg.outerHeight - seg.vsides);
3865                                 eventElement[0].style.height = height + 'px';
3866                                 event = seg.event;
3867                                 if (seg.contentTop !== undefined && height - seg.contentTop < 10) {
3868                                         // not enough room for title, put it in the time header
3869                                         eventElement.find('div.fc-event-time')
3870                                                 .text(formatDate(event.start, opt('timeFormat')) + ' - ' + event.title);
3871                                         eventElement.find('div.fc-event-title')
3872                                                 .remove();
3873                                 }
3874                                 trigger('eventAfterRender', event, event, eventElement);
3875                         }
3876                 }
3877                                         
3878         }
3879         
3880         
3881         function slotSegHtml(event, seg) {
3882                 var html = "<";
3883                 var url = event.url;
3884                 var skinCss = getSkinCss(event, opt);
3885                 var skinCssAttr = (skinCss ? " style='" + skinCss + "'" : '');
3886                 var classes = ['fc-event', 'fc-event-skin', 'fc-event-vert'];
3887                 if (isEventDraggable(event)) {
3888                         classes.push('fc-event-draggable');
3889                 }
3890                 if (seg.isStart) {
3891                         classes.push('fc-corner-top');
3892                 }
3893                 if (seg.isEnd) {
3894                         classes.push('fc-corner-bottom');
3895                 }
3896                 classes = classes.concat(event.className);
3897                 if (event.source) {
3898                         classes = classes.concat(event.source.className || []);
3899                 }
3900                 if (url) {
3901                         html += "a href='" + htmlEscape(event.url) + "'";
3902                 }else{
3903                         html += "div";
3904                 }
3905                 html +=
3906                         " class='" + classes.join(' ') + "'" +
3907                         " style='position:absolute;z-index:8;top:" + seg.top + "px;left:" + seg.left + "px;" + skinCss + "'" +
3908                         ">" +
3909                         "<div class='fc-event-inner fc-event-skin'" + skinCssAttr + ">" +
3910                         "<div class='fc-event-head fc-event-skin'" + skinCssAttr + ">" +
3911                         "<div class='fc-event-time'>" +
3912                         htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
3913                         "</div>" +
3914                         "</div>" +
3915                         "<div class='fc-event-content'>" +
3916                         "<div class='fc-event-title'>" +
3917                         htmlEscape(event.title) +
3918                         "</div>" +
3919                         "</div>" +
3920                         "<div class='fc-event-bg'></div>" +
3921                         "</div>"; // close inner
3922                 if (seg.isEnd && isEventResizable(event)) {
3923                         html +=
3924                                 "<div class='ui-resizable-handle ui-resizable-s'>=</div>";
3925                 }
3926                 html +=
3927                         "</" + (url ? "a" : "div") + ">";
3928                 return html;
3929         }
3930         
3931         
3932         function bindDaySeg(event, eventElement, seg) {
3933                 if (isEventDraggable(event)) {
3934                         draggableDayEvent(event, eventElement, seg.isStart);
3935                 }
3936                 if (seg.isEnd && isEventResizable(event)) {
3937                         resizableDayEvent(event, eventElement, seg);
3938                 }
3939                 eventElementHandlers(event, eventElement);
3940                         // needs to be after, because resizableDayEvent might stopImmediatePropagation on click
3941         }
3942         
3943         
3944         function bindSlotSeg(event, eventElement, seg) {
3945                 var timeElement = eventElement.find('div.fc-event-time');
3946                 if (isEventDraggable(event)) {
3947                         draggableSlotEvent(event, eventElement, timeElement);
3948                 }
3949                 if (seg.isEnd && isEventResizable(event)) {
3950                         resizableSlotEvent(event, eventElement, timeElement);
3951                 }
3952                 eventElementHandlers(event, eventElement);
3953         }
3954         
3955         
3956         
3957         /* Dragging
3958         -----------------------------------------------------------------------------------*/
3959         
3960         
3961         // when event starts out FULL-DAY
3962         
3963         function draggableDayEvent(event, eventElement, isStart) {
3964                 var origWidth;
3965                 var revert;
3966                 var allDay=true;
3967                 var dayDelta;
3968                 var dis = opt('isRTL') ? -1 : 1;
3969                 var hoverListener = getHoverListener();
3970                 var colWidth = getColWidth();
3971                 var slotHeight = getSlotHeight();
3972                 var minMinute = getMinMinute();
3973                 eventElement.draggable({
3974                         zIndex: 9,
3975                         opacity: opt('dragOpacity', 'month'), // use whatever the month view was using
3976                         revertDuration: opt('dragRevertDuration'),
3977                         start: function(ev, ui) {
3978                                 trigger('eventDragStart', eventElement, event, ev, ui);
3979                                 hideEvents(event, eventElement);
3980                                 origWidth = eventElement.width();
3981                                 hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
3982                                         clearOverlays();
3983                                         if (cell) {
3984                                                 //setOverflowHidden(true);
3985                                                 revert = false;
3986                                                 dayDelta = colDelta * dis;
3987                                                 if (!cell.row) {
3988                                                         // on full-days
3989                                                         renderDayOverlay(
3990                                                                 addDays(cloneDate(event.start), dayDelta),
3991                                                                 addDays(exclEndDay(event), dayDelta)
3992                                                         );
3993                                                         resetElement();
3994                                                 }else{
3995                                                         // mouse is over bottom slots
3996                                                         if (isStart) {
3997                                                                 if (allDay) {
3998                                                                         // convert event to temporary slot-event
3999                                                                         eventElement.width(colWidth - 10); // don't use entire width
4000                                                                         setOuterHeight(
4001                                                                                 eventElement,
4002                                                                                 slotHeight * Math.round(
4003                                                                                         (event.end ? ((event.end - event.start) / MINUTE_MS) : opt('defaultEventMinutes'))
4004                                                                                         / opt('slotMinutes')
4005                                                                                 )
4006                                                                         );
4007                                                                         eventElement.draggable('option', 'grid', [colWidth, 1]);
4008                                                                         allDay = false;
4009                                                                 }
4010                                                         }else{
4011                                                                 revert = true;
4012                                                         }
4013                                                 }
4014                                                 revert = revert || (allDay && !dayDelta);
4015                                         }else{
4016                                                 resetElement();
4017                                                 //setOverflowHidden(false);
4018                                                 revert = true;
4019                                         }
4020                                         eventElement.draggable('option', 'revert', revert);
4021                                 }, ev, 'drag');
4022                         },
4023                         stop: function(ev, ui) {
4024                                 hoverListener.stop();
4025                                 clearOverlays();
4026                                 trigger('eventDragStop', eventElement, event, ev, ui);
4027                                 if (revert) {
4028                                         // hasn't moved or is out of bounds (draggable has already reverted)
4029                                         resetElement();
4030                                         eventElement.css('filter', ''); // clear IE opacity side-effects
4031                                         showEvents(event, eventElement);
4032                                 }else{
4033                                         // changed!
4034                                         var minuteDelta = 0;
4035                                         if (!allDay) {
4036                                                 minuteDelta = Math.round((eventElement.offset().top - getBodyContent().offset().top) / slotHeight)
4037                                                         * opt('slotMinutes')
4038                                                         + minMinute
4039                                                         - (event.start.getHours() * 60 + event.start.getMinutes());
4040                                         }
4041                                         eventDrop(this, event, dayDelta, minuteDelta, allDay, ev, ui);
4042                                 }
4043                                 //setOverflowHidden(false);
4044                         }
4045                 });
4046                 function resetElement() {
4047                         if (!allDay) {
4048                                 eventElement
4049                                         .width(origWidth)
4050                                         .height('')
4051                                         .draggable('option', 'grid', null);
4052                                 allDay = true;
4053                         }
4054                 }
4055         }
4056         
4057         
4058         // when event starts out IN TIMESLOTS
4059         
4060         function draggableSlotEvent(event, eventElement, timeElement) {
4061                 var origPosition;
4062                 var allDay=false;
4063                 var dayDelta;
4064                 var minuteDelta;
4065                 var prevMinuteDelta;
4066                 var dis = opt('isRTL') ? -1 : 1;
4067                 var hoverListener = getHoverListener();
4068                 var colCnt = getColCnt();
4069                 var colWidth = getColWidth();
4070                 var slotHeight = getSlotHeight();
4071                 eventElement.draggable({
4072                         zIndex: 9,
4073                         scroll: false,
4074                         grid: [colWidth, slotHeight],
4075                         axis: colCnt==1 ? 'y' : false,
4076                         opacity: opt('dragOpacity'),
4077                         revertDuration: opt('dragRevertDuration'),
4078                         start: function(ev, ui) {
4079                                 trigger('eventDragStart', eventElement, event, ev, ui);
4080                                 hideEvents(event, eventElement);
4081                                 origPosition = eventElement.position();
4082                                 minuteDelta = prevMinuteDelta = 0;
4083                                 hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
4084                                         eventElement.draggable('option', 'revert', !cell);
4085                                         clearOverlays();
4086                                         if (cell) {
4087                                                 dayDelta = colDelta * dis;
4088                                                 if (opt('allDaySlot') && !cell.row) {
4089                                                         // over full days
4090                                                         if (!allDay) {
4091                                                                 // convert to temporary all-day event
4092                                                                 allDay = true;
4093                                                                 timeElement.hide();
4094                                                                 eventElement.draggable('option', 'grid', null);
4095                                                         }
4096                                                         renderDayOverlay(
4097                                                                 addDays(cloneDate(event.start), dayDelta),
4098                                                                 addDays(exclEndDay(event), dayDelta)
4099                                                         );
4100                                                 }else{
4101                                                         // on slots
4102                                                         resetElement();
4103                                                 }
4104                                         }
4105                                 }, ev, 'drag');
4106                         },
4107                         drag: function(ev, ui) {
4108                                 minuteDelta = Math.round((ui.position.top - origPosition.top) / slotHeight) * opt('slotMinutes');
4109                                 if (minuteDelta != prevMinuteDelta) {
4110                                         if (!allDay) {
4111                                                 updateTimeText(minuteDelta);
4112                                         }
4113                                         prevMinuteDelta = minuteDelta;
4114                                 }
4115                         },
4116                         stop: function(ev, ui) {
4117                                 var cell = hoverListener.stop();
4118                                 clearOverlays();
4119                                 trigger('eventDragStop', eventElement, event, ev, ui);
4120                                 if (cell && (dayDelta || minuteDelta || allDay)) {
4121                                         // changed!
4122                                         eventDrop(this, event, dayDelta, allDay ? 0 : minuteDelta, allDay, ev, ui);
4123                                 }else{
4124                                         // either no change or out-of-bounds (draggable has already reverted)
4125                                         resetElement();
4126                                         eventElement.css('filter', ''); // clear IE opacity side-effects
4127                                         eventElement.css(origPosition); // sometimes fast drags make event revert to wrong position
4128                                         updateTimeText(0);
4129                                         showEvents(event, eventElement);
4130                                 }
4131                         }
4132                 });
4133                 function updateTimeText(minuteDelta) {
4134                         var newStart = addMinutes(cloneDate(event.start), minuteDelta);
4135                         var newEnd;
4136                         if (event.end) {
4137                                 newEnd = addMinutes(cloneDate(event.end), minuteDelta);
4138                         }
4139                         timeElement.text(formatDates(newStart, newEnd, opt('timeFormat')));
4140                 }
4141                 function resetElement() {
4142                         // convert back to original slot-event
4143                         if (allDay) {
4144                                 timeElement.css('display', ''); // show() was causing display=inline
4145                                 eventElement.draggable('option', 'grid', [colWidth, slotHeight]);
4146                                 allDay = false;
4147                         }
4148                 }
4149         }
4150         
4151         
4152         
4153         /* Resizing
4154         --------------------------------------------------------------------------------------*/
4155         
4156         
4157         function resizableSlotEvent(event, eventElement, timeElement) {
4158                 var slotDelta, prevSlotDelta;
4159                 var slotHeight = getSlotHeight();
4160                 eventElement.resizable({
4161                         handles: {
4162                                 s: 'div.ui-resizable-s'
4163                         },
4164                         grid: slotHeight,
4165                         start: function(ev, ui) {
4166                                 slotDelta = prevSlotDelta = 0;
4167                                 hideEvents(event, eventElement);
4168                                 eventElement.css('z-index', 9);
4169                                 trigger('eventResizeStart', this, event, ev, ui);
4170                         },
4171                         resize: function(ev, ui) {
4172                                 // don't rely on ui.size.height, doesn't take grid into account
4173                                 slotDelta = Math.round((Math.max(slotHeight, eventElement.height()) - ui.originalSize.height) / slotHeight);
4174                                 if (slotDelta != prevSlotDelta) {
4175                                         timeElement.text(
4176                                                 formatDates(
4177                                                         event.start,
4178                                                         (!slotDelta && !event.end) ? null : // no change, so don't display time range
4179                                                                 addMinutes(eventEnd(event), opt('slotMinutes')*slotDelta),
4180                                                         opt('timeFormat')
4181                                                 )
4182                                         );
4183                                         prevSlotDelta = slotDelta;
4184                                 }
4185                         },
4186                         stop: function(ev, ui) {
4187                                 trigger('eventResizeStop', this, event, ev, ui);
4188                                 if (slotDelta) {
4189                                         eventResize(this, event, 0, opt('slotMinutes')*slotDelta, ev, ui);
4190                                 }else{
4191                                         eventElement.css('z-index', 8);
4192                                         showEvents(event, eventElement);
4193                                         // BUG: if event was really short, need to put title back in span
4194                                 }
4195                         }
4196                 });
4197         }
4198         
4199
4200 }
4201
4202
4203 function countForwardSegs(levels) {
4204         var i, j, k, level, segForward, segBack;
4205         for (i=levels.length-1; i>0; i--) {
4206                 level = levels[i];
4207                 for (j=0; j<level.length; j++) {
4208                         segForward = level[j];
4209                         for (k=0; k<levels[i-1].length; k++) {
4210                                 segBack = levels[i-1][k];
4211                                 if (segsCollide(segForward, segBack)) {
4212                                         segBack.forward = Math.max(segBack.forward||0, (segForward.forward||0)+1);
4213                                 }
4214                         }
4215                 }
4216         }
4217 }
4218
4219
4220
4221
4222 function View(element, calendar, viewName) {
4223         var t = this;
4224         
4225         
4226         // exports
4227         t.element = element;
4228         t.calendar = calendar;
4229         t.name = viewName;
4230         t.opt = opt;
4231         t.trigger = trigger;
4232         //t.setOverflowHidden = setOverflowHidden;
4233         t.isEventDraggable = isEventDraggable;
4234         t.isEventResizable = isEventResizable;
4235         t.reportEvents = reportEvents;
4236         t.eventEnd = eventEnd;
4237         t.reportEventElement = reportEventElement;
4238         t.reportEventClear = reportEventClear;
4239         t.eventElementHandlers = eventElementHandlers;
4240         t.showEvents = showEvents;
4241         t.hideEvents = hideEvents;
4242         t.eventDrop = eventDrop;
4243         t.eventResize = eventResize;
4244         // t.title
4245         // t.start, t.end
4246         // t.visStart, t.visEnd
4247         
4248         
4249         // imports
4250         var defaultEventEnd = t.defaultEventEnd;
4251         var normalizeEvent = calendar.normalizeEvent; // in EventManager
4252         var reportEventChange = calendar.reportEventChange;
4253         
4254         
4255         // locals
4256         var eventsByID = {};
4257         var eventElements = [];
4258         var eventElementsByID = {};
4259         var options = calendar.options;
4260         
4261         
4262         
4263         function opt(name, viewNameOverride) {
4264                 var v = options[name];
4265                 if (typeof v == 'object') {
4266                         return smartProperty(v, viewNameOverride || viewName);
4267                 }
4268                 return v;
4269         }
4270
4271         
4272         function trigger(name, thisObj) {
4273                 return calendar.trigger.apply(
4274                         calendar,
4275                         [name, thisObj || t].concat(Array.prototype.slice.call(arguments, 2), [t])
4276                 );
4277         }
4278         
4279         
4280         /*
4281         function setOverflowHidden(bool) {
4282                 element.css('overflow', bool ? 'hidden' : '');
4283         }
4284         */
4285         
4286         
4287         function isEventDraggable(event) {
4288                 return isEventEditable(event) && !opt('disableDragging');
4289         }
4290         
4291         
4292         function isEventResizable(event) { // but also need to make sure the seg.isEnd == true
4293                 return isEventEditable(event) && !opt('disableResizing');
4294         }
4295         
4296         
4297         function isEventEditable(event) {
4298                 return firstDefined(event.editable, (event.source || {}).editable, opt('editable'));
4299         }
4300         
4301         
4302         
4303         /* Event Data
4304         ------------------------------------------------------------------------------*/
4305         
4306         
4307         // report when view receives new events
4308         function reportEvents(events) { // events are already normalized at this point
4309                 eventsByID = {};
4310                 var i, len=events.length, event;
4311                 for (i=0; i<len; i++) {
4312                         event = events[i];
4313                         if (eventsByID[event._id]) {
4314                                 eventsByID[event._id].push(event);
4315                         }else{
4316                                 eventsByID[event._id] = [event];
4317                         }
4318                 }
4319         }
4320         
4321         
4322         // returns a Date object for an event's end
4323         function eventEnd(event) {
4324                 return event.end ? cloneDate(event.end) : defaultEventEnd(event);
4325         }
4326         
4327         
4328         
4329         /* Event Elements
4330         ------------------------------------------------------------------------------*/
4331         
4332         
4333         // report when view creates an element for an event
4334         function reportEventElement(event, element) {
4335                 eventElements.push(element);
4336                 if (eventElementsByID[event._id]) {
4337                         eventElementsByID[event._id].push(element);
4338                 }else{
4339                         eventElementsByID[event._id] = [element];
4340                 }
4341         }
4342         
4343         
4344         function reportEventClear() {
4345                 eventElements = [];
4346                 eventElementsByID = {};
4347         }
4348         
4349         
4350         // attaches eventClick, eventMouseover, eventMouseout
4351         function eventElementHandlers(event, eventElement) {
4352                 eventElement
4353                         .click(function(ev) {
4354                                 if (!eventElement.hasClass('ui-draggable-dragging') &&
4355                                         !eventElement.hasClass('ui-resizable-resizing')) {
4356                                                 return trigger('eventClick', this, event, ev);
4357                                         }
4358                         })
4359                         .hover(
4360                                 function(ev) {
4361                                         trigger('eventMouseover', this, event, ev);
4362                                 },
4363                                 function(ev) {
4364                                         trigger('eventMouseout', this, event, ev);
4365                                 }
4366                         );
4367                 // TODO: don't fire eventMouseover/eventMouseout *while* dragging is occuring (on subject element)
4368                 // TODO: same for resizing
4369         }
4370         
4371         
4372         function showEvents(event, exceptElement) {
4373                 eachEventElement(event, exceptElement, 'show');
4374         }
4375         
4376         
4377         function hideEvents(event, exceptElement) {
4378                 eachEventElement(event, exceptElement, 'hide');
4379         }
4380         
4381         
4382         function eachEventElement(event, exceptElement, funcName) {
4383                 var elements = eventElementsByID[event._id],
4384                         i, len = elements.length;
4385                 for (i=0; i<len; i++) {
4386                         if (!exceptElement || elements[i][0] != exceptElement[0]) {
4387                                 elements[i][funcName]();
4388                         }
4389                 }
4390         }
4391         
4392         
4393         
4394         /* Event Modification Reporting
4395         ---------------------------------------------------------------------------------*/
4396         
4397         
4398         function eventDrop(e, event, dayDelta, minuteDelta, allDay, ev, ui) {
4399                 var oldAllDay = event.allDay;
4400                 var eventId = event._id;
4401                 moveEvents(eventsByID[eventId], dayDelta, minuteDelta, allDay);
4402                 trigger(
4403                         'eventDrop',
4404                         e,
4405                         event,
4406                         dayDelta,
4407                         minuteDelta,
4408                         allDay,
4409                         function() {
4410                                 // TODO: investigate cases where this inverse technique might not work
4411                                 moveEvents(eventsByID[eventId], -dayDelta, -minuteDelta, oldAllDay);
4412                                 reportEventChange(eventId);
4413                         },
4414                         ev,
4415                         ui
4416                 );
4417                 reportEventChange(eventId);
4418         }
4419         
4420         
4421         function eventResize(e, event, dayDelta, minuteDelta, ev, ui) {
4422                 var eventId = event._id;
4423                 elongateEvents(eventsByID[eventId], dayDelta, minuteDelta);
4424                 trigger(
4425                         'eventResize',
4426                         e,
4427                         event,
4428                         dayDelta,
4429                         minuteDelta,
4430                         function() {
4431                                 // TODO: investigate cases where this inverse technique might not work
4432                                 elongateEvents(eventsByID[eventId], -dayDelta, -minuteDelta);
4433                                 reportEventChange(eventId);
4434                         },
4435                         ev,
4436                         ui
4437                 );
4438                 reportEventChange(eventId);
4439         }
4440         
4441         
4442         
4443         /* Event Modification Math
4444         ---------------------------------------------------------------------------------*/
4445         
4446         
4447         function moveEvents(events, dayDelta, minuteDelta, allDay) {
4448                 minuteDelta = minuteDelta || 0;
4449                 for (var e, len=events.length, i=0; i<len; i++) {
4450                         e = events[i];
4451                         if (allDay !== undefined) {
4452                                 e.allDay = allDay;
4453                         }
4454                         addMinutes(addDays(e.start, dayDelta, true), minuteDelta);
4455                         if (e.end) {
4456                                 e.end = addMinutes(addDays(e.end, dayDelta, true), minuteDelta);
4457                         }
4458                         normalizeEvent(e, options);
4459                 }
4460         }
4461         
4462         
4463         function elongateEvents(events, dayDelta, minuteDelta) {
4464                 minuteDelta = minuteDelta || 0;
4465                 for (var e, len=events.length, i=0; i<len; i++) {
4466                         e = events[i];
4467                         e.end = addMinutes(addDays(eventEnd(e), dayDelta, true), minuteDelta);
4468                         normalizeEvent(e, options);
4469                 }
4470         }
4471         
4472
4473 }
4474
4475 function DayEventRenderer() {
4476         var t = this;
4477
4478         
4479         // exports
4480         t.renderDaySegs = renderDaySegs;
4481         t.resizableDayEvent = resizableDayEvent;
4482         
4483         
4484         // imports
4485         var opt = t.opt;
4486         var trigger = t.trigger;
4487         var isEventDraggable = t.isEventDraggable;
4488         var isEventResizable = t.isEventResizable;
4489         var eventEnd = t.eventEnd;
4490         var reportEventElement = t.reportEventElement;
4491         var showEvents = t.showEvents;
4492         var hideEvents = t.hideEvents;
4493         var eventResize = t.eventResize;
4494         var getRowCnt = t.getRowCnt;
4495         var getColCnt = t.getColCnt;
4496         var getColWidth = t.getColWidth;
4497         var allDayRow = t.allDayRow;
4498         var allDayBounds = t.allDayBounds;
4499         var colContentLeft = t.colContentLeft;
4500         var colContentRight = t.colContentRight;
4501         var dayOfWeekCol = t.dayOfWeekCol;
4502         var dateCell = t.dateCell;
4503         var compileDaySegs = t.compileDaySegs;
4504         var getDaySegmentContainer = t.getDaySegmentContainer;
4505         var bindDaySeg = t.bindDaySeg; //TODO: streamline this
4506         var formatDates = t.calendar.formatDates;
4507         var renderDayOverlay = t.renderDayOverlay;
4508         var clearOverlays = t.clearOverlays;
4509         var clearSelection = t.clearSelection;
4510         
4511         
4512         
4513         /* Rendering
4514         -----------------------------------------------------------------------------*/
4515         
4516         
4517         function renderDaySegs(segs, modifiedEventId) {
4518                 var segmentContainer = getDaySegmentContainer();
4519                 var rowDivs;
4520                 var rowCnt = getRowCnt();
4521                 var colCnt = getColCnt();
4522                 var i = 0;
4523                 var rowI;
4524                 var levelI;
4525                 var colHeights;
4526                 var j;
4527                 var segCnt = segs.length;
4528                 var seg;
4529                 var top;
4530                 var k;
4531                 segmentContainer[0].innerHTML = daySegHTML(segs); // faster than .html()
4532                 daySegElementResolve(segs, segmentContainer.children());
4533                 daySegElementReport(segs);
4534                 daySegHandlers(segs, segmentContainer, modifiedEventId);
4535                 daySegCalcHSides(segs);
4536                 daySegSetWidths(segs);
4537                 daySegCalcHeights(segs);
4538                 rowDivs = getRowDivs();
4539                 // set row heights, calculate event tops (in relation to row top)
4540                 for (rowI=0; rowI<rowCnt; rowI++) {
4541                         levelI = 0;
4542                         colHeights = [];
4543                         for (j=0; j<colCnt; j++) {
4544                                 colHeights[j] = 0;
4545                         }
4546                         while (i<segCnt && (seg = segs[i]).row == rowI) {
4547                                 // loop through segs in a row
4548                                 top = arrayMax(colHeights.slice(seg.startCol, seg.endCol));
4549                                 seg.top = top;
4550                                 top += seg.outerHeight;
4551                                 for (k=seg.startCol; k<seg.endCol; k++) {
4552                                         colHeights[k] = top;
4553                                 }
4554                                 i++;
4555                         }
4556                         rowDivs[rowI].height(arrayMax(colHeights));
4557                 }
4558                 daySegSetTops(segs, getRowTops(rowDivs));
4559         }
4560         
4561         
4562         function renderTempDaySegs(segs, adjustRow, adjustTop) {
4563                 var tempContainer = $("<div/>");
4564                 var elements;
4565                 var segmentContainer = getDaySegmentContainer();
4566                 var i;
4567                 var segCnt = segs.length;
4568                 var element;
4569                 tempContainer[0].innerHTML = daySegHTML(segs); // faster than .html()
4570                 elements = tempContainer.children();
4571                 segmentContainer.append(elements);
4572                 daySegElementResolve(segs, elements);
4573                 daySegCalcHSides(segs);
4574                 daySegSetWidths(segs);
4575                 daySegCalcHeights(segs);
4576                 daySegSetTops(segs, getRowTops(getRowDivs()));
4577                 elements = [];
4578                 for (i=0; i<segCnt; i++) {
4579                         element = segs[i].element;
4580                         if (element) {
4581                                 if (segs[i].row === adjustRow) {
4582                                         element.css('top', adjustTop);
4583                                 }
4584                                 elements.push(element[0]);
4585                         }
4586                 }
4587                 return $(elements);
4588         }
4589         
4590         
4591         function daySegHTML(segs) { // also sets seg.left and seg.outerWidth
4592                 var rtl = opt('isRTL');
4593                 var i;
4594                 var segCnt=segs.length;
4595                 var seg;
4596                 var event;
4597                 var url;
4598                 var classes;
4599                 var bounds = allDayBounds();
4600                 var minLeft = bounds.left;
4601                 var maxLeft = bounds.right;
4602                 var leftCol;
4603                 var rightCol;
4604                 var left;
4605                 var right;
4606                 var skinCss;
4607                 var html = '';
4608                 // calculate desired position/dimensions, create html
4609                 for (i=0; i<segCnt; i++) {
4610                         seg = segs[i];
4611                         event = seg.event;
4612                         classes = ['fc-event', 'fc-event-skin', 'fc-event-hori'];
4613                         if (isEventDraggable(event)) {
4614                                 classes.push('fc-event-draggable');
4615                         }
4616                         if (rtl) {
4617                                 if (seg.isStart) {
4618                                         classes.push('fc-corner-right');
4619                                 }
4620                                 if (seg.isEnd) {
4621                                         classes.push('fc-corner-left');
4622                                 }
4623                                 leftCol = dayOfWeekCol(seg.end.getDay()-1);
4624                                 rightCol = dayOfWeekCol(seg.start.getDay());
4625                                 left = seg.isEnd ? colContentLeft(leftCol) : minLeft;
4626                                 right = seg.isStart ? colContentRight(rightCol) : maxLeft;
4627                         }else{
4628                                 if (seg.isStart) {
4629                                         classes.push('fc-corner-left');
4630                                 }
4631                                 if (seg.isEnd) {
4632                                         classes.push('fc-corner-right');
4633                                 }
4634                                 leftCol = dayOfWeekCol(seg.start.getDay());
4635                                 rightCol = dayOfWeekCol(seg.end.getDay()-1);
4636                                 left = seg.isStart ? colContentLeft(leftCol) : minLeft;
4637                                 right = seg.isEnd ? colContentRight(rightCol) : maxLeft;
4638                         }
4639                         classes = classes.concat(event.className);
4640                         if (event.source) {
4641                                 classes = classes.concat(event.source.className || []);
4642                         }
4643                         url = event.url;
4644                         skinCss = getSkinCss(event, opt);
4645                         if (url) {
4646                                 html += "<a href='" + htmlEscape(url) + "'";
4647                         }else{
4648                                 html += "<div";
4649                         }
4650                         html +=
4651                                 " class='" + classes.join(' ') + "'" +
4652                                 " style='position:absolute;z-index:8;left:"+left+"px;" + skinCss + "'" +
4653                                 ">" +
4654                                 "<div" +
4655                                 " class='fc-event-inner fc-event-skin'" +
4656                                 (skinCss ? " style='" + skinCss + "'" : '') +
4657                                 ">";
4658                         if (!event.allDay && seg.isStart) {
4659                                 html +=
4660                                         "<span class='fc-event-time'>" +
4661                                         htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
4662                                         "</span>";
4663                         }
4664                         html +=
4665                                 "<span class='fc-event-title'>" + htmlEscape(event.title) + "</span>" +
4666                                 "</div>";
4667                         if (seg.isEnd && isEventResizable(event)) {
4668                                 html +=
4669                                         "<div class='ui-resizable-handle ui-resizable-" + (rtl ? 'w' : 'e') + "'>" +
4670                                         "&nbsp;&nbsp;&nbsp;" + // makes hit area a lot better for IE6/7
4671                                         "</div>";
4672                         }
4673                         html +=
4674                                 "</" + (url ? "a" : "div" ) + ">";
4675                         seg.left = left;
4676                         seg.outerWidth = right - left;
4677                         seg.startCol = leftCol;
4678                         seg.endCol = rightCol + 1; // needs to be exclusive
4679                 }
4680                 return html;
4681         }
4682         
4683         
4684         function daySegElementResolve(segs, elements) { // sets seg.element
4685                 var i;
4686                 var segCnt = segs.length;
4687                 var seg;
4688                 var event;
4689                 var element;
4690                 var triggerRes;
4691                 for (i=0; i<segCnt; i++) {
4692                         seg = segs[i];
4693                         event = seg.event;
4694                         element = $(elements[i]); // faster than .eq()
4695                         triggerRes = trigger('eventRender', event, event, element);
4696                         if (triggerRes === false) {
4697                                 element.remove();
4698                         }else{
4699                                 if (triggerRes && triggerRes !== true) {
4700                                         triggerRes = $(triggerRes)
4701                                                 .css({
4702                                                         position: 'absolute',
4703                                                         left: seg.left
4704                                                 });
4705                                         element.replaceWith(triggerRes);
4706                                         element = triggerRes;
4707                                 }
4708                                 seg.element = element;
4709                         }
4710                 }
4711         }
4712         
4713         
4714         function daySegElementReport(segs) {
4715                 var i;
4716                 var segCnt = segs.length;
4717                 var seg;
4718                 var element;
4719                 for (i=0; i<segCnt; i++) {
4720                         seg = segs[i];
4721                         element = seg.element;
4722                         if (element) {
4723                                 reportEventElement(seg.event, element);
4724                         }
4725                 }
4726         }
4727         
4728         
4729         function daySegHandlers(segs, segmentContainer, modifiedEventId) {
4730                 var i;
4731                 var segCnt = segs.length;
4732                 var seg;
4733                 var element;
4734                 var event;
4735                 // retrieve elements, run through eventRender callback, bind handlers
4736                 for (i=0; i<segCnt; i++) {
4737                         seg = segs[i];
4738                         element = seg.element;
4739                         if (element) {
4740                                 event = seg.event;
4741                                 if (event._id === modifiedEventId) {
4742                                         bindDaySeg(event, element, seg);
4743                                 }else{
4744                                         element[0]._fci = i; // for lazySegBind
4745                                 }
4746                         }
4747                 }
4748                 lazySegBind(segmentContainer, segs, bindDaySeg);
4749         }
4750         
4751         
4752         function daySegCalcHSides(segs) { // also sets seg.key
4753                 var i;
4754                 var segCnt = segs.length;
4755                 var seg;
4756                 var element;
4757                 var key, val;
4758                 var hsideCache = {};
4759                 // record event horizontal sides
4760                 for (i=0; i<segCnt; i++) {
4761                         seg = segs[i];
4762                         element = seg.element;
4763                         if (element) {
4764                                 key = seg.key = cssKey(element[0]);
4765                                 val = hsideCache[key];
4766                                 if (val === undefined) {
4767                                         val = hsideCache[key] = hsides(element, true);
4768                                 }
4769                                 seg.hsides = val;
4770                         }
4771                 }
4772         }
4773         
4774         
4775         function daySegSetWidths(segs) {
4776                 var i;
4777                 var segCnt = segs.length;
4778                 var seg;
4779                 var element;
4780                 for (i=0; i<segCnt; i++) {
4781                         seg = segs[i];
4782                         element = seg.element;
4783                         if (element) {
4784                                 element[0].style.width = Math.max(0, seg.outerWidth - seg.hsides) + 'px';
4785                         }
4786                 }
4787         }
4788         
4789         
4790         function daySegCalcHeights(segs) {
4791                 var i;
4792                 var segCnt = segs.length;
4793                 var seg;
4794                 var element;
4795                 var key, val;
4796                 var vmarginCache = {};
4797                 // record event heights
4798                 for (i=0; i<segCnt; i++) {
4799                         seg = segs[i];
4800                         element = seg.element;
4801                         if (element) {
4802                                 key = seg.key; // created in daySegCalcHSides
4803                                 val = vmarginCache[key];
4804                                 if (val === undefined) {
4805                                         val = vmarginCache[key] = vmargins(element);
4806                                 }
4807                                 seg.outerHeight = element[0].offsetHeight + val;
4808                         }
4809                 }
4810         }
4811         
4812         
4813         function getRowDivs() {
4814                 var i;
4815                 var rowCnt = getRowCnt();
4816                 var rowDivs = [];
4817                 for (i=0; i<rowCnt; i++) {
4818                         rowDivs[i] = allDayRow(i)
4819                                 .find('td:first div.fc-day-content > div'); // optimal selector?
4820                 }
4821                 return rowDivs;
4822         }
4823         
4824         
4825         function getRowTops(rowDivs) {
4826                 var i;
4827                 var rowCnt = rowDivs.length;
4828                 var tops = [];
4829                 for (i=0; i<rowCnt; i++) {
4830                         tops[i] = rowDivs[i][0].offsetTop; // !!?? but this means the element needs position:relative if in a table cell!!!!
4831                 }
4832                 return tops;
4833         }
4834         
4835         
4836         function daySegSetTops(segs, rowTops) { // also triggers eventAfterRender
4837                 var i;
4838                 var segCnt = segs.length;
4839                 var seg;
4840                 var element;
4841                 var event;
4842                 for (i=0; i<segCnt; i++) {
4843                         seg = segs[i];
4844                         element = seg.element;
4845                         if (element) {
4846                                 element[0].style.top = rowTops[seg.row] + (seg.top||0) + 'px';
4847                                 event = seg.event;
4848                                 trigger('eventAfterRender', event, event, element);
4849                         }
4850                 }
4851         }
4852         
4853         
4854         
4855         /* Resizing
4856         -----------------------------------------------------------------------------------*/
4857         
4858         
4859         function resizableDayEvent(event, element, seg) {
4860                 var rtl = opt('isRTL');
4861                 var direction = rtl ? 'w' : 'e';
4862                 var handle = element.find('div.ui-resizable-' + direction);
4863                 var isResizing = false;
4864                 
4865                 // TODO: look into using jquery-ui mouse widget for this stuff
4866                 disableTextSelection(element); // prevent native <a> selection for IE
4867                 element
4868                         .mousedown(function(ev) { // prevent native <a> selection for others
4869                                 ev.preventDefault();
4870                         })
4871                         .click(function(ev) {
4872                                 if (isResizing) {
4873                                         ev.preventDefault(); // prevent link from being visited (only method that worked in IE6)
4874                                         ev.stopImmediatePropagation(); // prevent fullcalendar eventClick handler from being called
4875                                                                        // (eventElementHandlers needs to be bound after resizableDayEvent)
4876                                 }
4877                         });
4878                 
4879                 handle.mousedown(function(ev) {
4880                         if (ev.which != 1) {
4881                                 return; // needs to be left mouse button
4882                         }
4883                         isResizing = true;
4884                         var hoverListener = t.getHoverListener();
4885                         var rowCnt = getRowCnt();
4886                         var colCnt = getColCnt();
4887                         var dis = rtl ? -1 : 1;
4888                         var dit = rtl ? colCnt-1 : 0;
4889                         var elementTop = element.css('top');
4890                         var dayDelta;
4891                         var helpers;
4892                         var eventCopy = $.extend({}, event);
4893                         var minCell = dateCell(event.start);
4894                         clearSelection();
4895                         $('body')
4896                                 .css('cursor', direction + '-resize')
4897                                 .one('mouseup', mouseup);
4898                         trigger('eventResizeStart', this, event, ev);
4899                         hoverListener.start(function(cell, origCell) {
4900                                 if (cell) {
4901                                         var r = Math.max(minCell.row, cell.row);
4902                                         var c = cell.col;
4903                                         if (rowCnt == 1) {
4904                                                 r = 0; // hack for all-day area in agenda views
4905                                         }
4906                                         if (r == minCell.row) {
4907                                                 if (rtl) {
4908                                                         c = Math.min(minCell.col, c);
4909                                                 }else{
4910                                                         c = Math.max(minCell.col, c);
4911                                                 }
4912                                         }
4913                                         dayDelta = (r*7 + c*dis+dit) - (origCell.row*7 + origCell.col*dis+dit);
4914                                         var newEnd = addDays(eventEnd(event), dayDelta, true);
4915                                         if (dayDelta) {
4916                                                 eventCopy.end = newEnd;
4917                                                 var oldHelpers = helpers;
4918                                                 helpers = renderTempDaySegs(compileDaySegs([eventCopy]), seg.row, elementTop);
4919                                                 helpers.find('*').css('cursor', direction + '-resize');
4920                                                 if (oldHelpers) {
4921                                                         oldHelpers.remove();
4922                                                 }
4923                                                 hideEvents(event);
4924                                         }else{
4925                                                 if (helpers) {
4926                                                         showEvents(event);
4927                                                         helpers.remove();
4928                                                         helpers = null;
4929                                                 }
4930                                         }
4931                                         clearOverlays();
4932                                         renderDayOverlay(event.start, addDays(cloneDate(newEnd), 1)); // coordinate grid already rebuild at hoverListener.start
4933                                 }
4934                         }, ev);
4935                         
4936                         function mouseup(ev) {
4937                                 trigger('eventResizeStop', this, event, ev);
4938                                 $('body').css('cursor', '');
4939                                 hoverListener.stop();
4940                                 clearOverlays();
4941                                 if (dayDelta) {
4942                                         eventResize(this, event, dayDelta, 0, ev);
4943                                         // event redraw will clear helpers
4944                                 }
4945                                 // otherwise, the drag handler already restored the old events
4946                                 
4947                                 setTimeout(function() { // make this happen after the element's click event
4948                                         isResizing = false;
4949                                 },0);
4950                         }
4951                         
4952                 });
4953         }
4954         
4955
4956 }
4957
4958 //BUG: unselect needs to be triggered when events are dragged+dropped
4959
4960 function SelectionManager() {
4961         var t = this;
4962         
4963         
4964         // exports
4965         t.select = select;
4966         t.unselect = unselect;
4967         t.reportSelection = reportSelection;
4968         t.daySelectionMousedown = daySelectionMousedown;
4969         
4970         
4971         // imports
4972         var opt = t.opt;
4973         var trigger = t.trigger;
4974         var defaultSelectionEnd = t.defaultSelectionEnd;
4975         var renderSelection = t.renderSelection;
4976         var clearSelection = t.clearSelection;
4977         
4978         
4979         // locals
4980         var selected = false;
4981
4982
4983
4984         // unselectAuto
4985         if (opt('selectable') && opt('unselectAuto')) {
4986                 $(document).mousedown(function(ev) {
4987                         var ignore = opt('unselectCancel');
4988                         if (ignore) {
4989                                 if ($(ev.target).parents(ignore).length) { // could be optimized to stop after first match
4990                                         return;
4991                                 }
4992                         }
4993                         unselect(ev);
4994                 });
4995         }
4996         
4997
4998         function select(startDate, endDate, allDay) {
4999                 unselect();
5000                 if (!endDate) {
5001                         endDate = defaultSelectionEnd(startDate, allDay);
5002                 }
5003                 renderSelection(startDate, endDate, allDay);
5004                 reportSelection(startDate, endDate, allDay);
5005         }
5006         
5007         
5008         function unselect(ev) {
5009                 if (selected) {
5010                         selected = false;
5011                         clearSelection();
5012                         trigger('unselect', null, ev);
5013                 }
5014         }
5015         
5016         
5017         function reportSelection(startDate, endDate, allDay, ev) {
5018                 selected = true;
5019                 trigger('select', null, startDate, endDate, allDay, ev);
5020         }
5021         
5022         
5023         function daySelectionMousedown(ev) { // not really a generic manager method, oh well
5024                 var cellDate = t.cellDate;
5025                 var cellIsAllDay = t.cellIsAllDay;
5026                 var hoverListener = t.getHoverListener();
5027                 var reportDayClick = t.reportDayClick; // this is hacky and sort of weird
5028                 if (ev.which == 1 && opt('selectable')) { // which==1 means left mouse button
5029                         unselect(ev);
5030                         var _mousedownElement = this;
5031                         var dates;
5032                         hoverListener.start(function(cell, origCell) { // TODO: maybe put cellDate/cellIsAllDay info in cell
5033                                 clearSelection();
5034                                 if (cell && cellIsAllDay(cell)) {
5035                                         dates = [ cellDate(origCell), cellDate(cell) ].sort(cmp);
5036                                         renderSelection(dates[0], dates[1], true);
5037                                 }else{
5038                                         dates = null;
5039                                 }
5040                         }, ev);
5041                         $(document).one('mouseup', function(ev) {
5042                                 hoverListener.stop();
5043                                 if (dates) {
5044                                         if (+dates[0] == +dates[1]) {
5045                                                 reportDayClick(dates[0], true, ev);
5046                                         }
5047                                         reportSelection(dates[0], dates[1], true, ev);
5048                                 }
5049                         });
5050                 }
5051         }
5052
5053
5054 }
5055  
5056 function OverlayManager() {
5057         var t = this;
5058         
5059         
5060         // exports
5061         t.renderOverlay = renderOverlay;
5062         t.clearOverlays = clearOverlays;
5063         
5064         
5065         // locals
5066         var usedOverlays = [];
5067         var unusedOverlays = [];
5068         
5069         
5070         function renderOverlay(rect, parent) {
5071                 var e = unusedOverlays.shift();
5072                 if (!e) {
5073                         e = $("<div class='fc-cell-overlay' style='position:absolute;z-index:3'/>");
5074                 }
5075                 if (e[0].parentNode != parent[0]) {
5076                         e.appendTo(parent);
5077                 }
5078                 usedOverlays.push(e.css(rect).show());
5079                 return e;
5080         }
5081         
5082
5083         function clearOverlays() {
5084                 var e;
5085                 while (e = usedOverlays.shift()) {
5086                         unusedOverlays.push(e.hide().unbind());
5087                 }
5088         }
5089
5090
5091 }
5092
5093 function CoordinateGrid(buildFunc) {
5094
5095         var t = this;
5096         var rows;
5097         var cols;
5098         
5099         
5100         t.build = function() {
5101                 rows = [];
5102                 cols = [];
5103                 buildFunc(rows, cols);
5104         };
5105         
5106         
5107         t.cell = function(x, y) {
5108                 var rowCnt = rows.length;
5109                 var colCnt = cols.length;
5110                 var i, r=-1, c=-1;
5111                 for (i=0; i<rowCnt; i++) {
5112                         if (y >= rows[i][0] && y < rows[i][1]) {
5113                                 r = i;
5114                                 break;
5115                         }
5116                 }
5117                 for (i=0; i<colCnt; i++) {
5118                         if (x >= cols[i][0] && x < cols[i][1]) {
5119                                 c = i;
5120                                 break;
5121                         }
5122                 }
5123                 return (r>=0 && c>=0) ? { row:r, col:c } : null;
5124         };
5125         
5126         
5127         t.rect = function(row0, col0, row1, col1, originElement) { // row1,col1 is inclusive
5128                 var origin = originElement.offset();
5129                 return {
5130                         top: rows[row0][0] - origin.top,
5131                         left: cols[col0][0] - origin.left,
5132                         width: cols[col1][1] - cols[col0][0],
5133                         height: rows[row1][1] - rows[row0][0]
5134                 };
5135         };
5136
5137 }
5138
5139 function HoverListener(coordinateGrid) {
5140
5141
5142         var t = this;
5143         var bindType;
5144         var change;
5145         var firstCell;
5146         var cell;
5147         
5148         
5149         t.start = function(_change, ev, _bindType) {
5150                 change = _change;
5151                 firstCell = cell = null;
5152                 coordinateGrid.build();
5153                 mouse(ev);
5154                 bindType = _bindType || 'mousemove';
5155                 $(document).bind(bindType, mouse);
5156         };
5157         
5158         
5159         function mouse(ev) {
5160                 _fixUIEvent(ev); // see below
5161                 var newCell = coordinateGrid.cell(ev.pageX, ev.pageY);
5162                 if (!newCell != !cell || newCell && (newCell.row != cell.row || newCell.col != cell.col)) {
5163                         if (newCell) {
5164                                 if (!firstCell) {
5165                                         firstCell = newCell;
5166                                 }
5167                                 change(newCell, firstCell, newCell.row-firstCell.row, newCell.col-firstCell.col);
5168                         }else{
5169                                 change(newCell, firstCell);
5170                         }
5171                         cell = newCell;
5172                 }
5173         }
5174         
5175         
5176         t.stop = function() {
5177                 $(document).unbind(bindType, mouse);
5178                 return cell;
5179         };
5180         
5181         
5182 }
5183
5184
5185
5186 // this fix was only necessary for jQuery UI 1.8.16 (and jQuery 1.7 or 1.7.1)
5187 // upgrading to jQuery UI 1.8.17 (and using either jQuery 1.7 or 1.7.1) fixed the problem
5188 // but keep this in here for 1.8.16 users
5189 // and maybe remove it down the line
5190
5191 function _fixUIEvent(event) { // for issue 1168
5192         if (event.pageX === undefined) {
5193                 event.pageX = event.originalEvent.pageX;
5194                 event.pageY = event.originalEvent.pageY;
5195         }
5196 }
5197 function HorizontalPositionCache(getElement) {
5198
5199         var t = this,
5200                 elements = {},
5201                 lefts = {},
5202                 rights = {};
5203                 
5204         function e(i) {
5205                 return elements[i] = elements[i] || getElement(i);
5206         }
5207         
5208         t.left = function(i) {
5209                 return lefts[i] = lefts[i] === undefined ? e(i).position().left : lefts[i];
5210         };
5211         
5212         t.right = function(i) {
5213                 return rights[i] = rights[i] === undefined ? t.left(i) + e(i).width() : rights[i];
5214         };
5215         
5216         t.clear = function() {
5217                 elements = {};
5218                 lefts = {};
5219                 rights = {};
5220         };
5221         
5222 }
5223 \r
5224 })(jQuery);