2 * StatusNet - a distributed open-source microblogging tool
3 * Copyright (C) 2008, StatusNet, Inc.
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU Affero General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Affero General Public License for more details.
15 * You should have received a copy of the GNU Affero General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 * @category UI interaction
20 * @author Sarven Capadisli <csarven@status.net>
21 * @author Evan Prodromou <evan@status.net>
22 * @author Brion Vibber <brion@status.net>
23 * @copyright 2009,2010 StatusNet, Inc.
24 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
25 * @link http://status.net/
28 var SN = { // StatusNet
31 CounterBlackout: false,
33 PatternUsername: /^[0-9a-zA-Z\-_.]*$/,
34 HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307],
35 NoticeFormMaster: null // to be cloned from the one at top
39 * @fixme are these worth the trouble? They seem to mostly just duplicate
40 * themselves while slightly obscuring the actual selector, so it's hard
41 * to pop over to the HTML and find something.
43 * In theory, minification could reduce them to shorter variable names,
44 * but at present that doesn't happen with yui-compressor.
51 Processing: 'processing',
52 CommandResult: 'command_result',
53 FormNotice: 'form_notice',
54 NoticeDataGeo: 'notice_data-geo',
55 NoticeDataGeoCookie: 'NoticeDataGeo',
56 NoticeDataGeoSelected: 'notice_data-geo_selected',
57 StatusNetInstance:'StatusNetInstance'
62 * Map of localized message strings exported to script from the PHP
63 * side via Action::getScriptMessages().
65 * Retrieve them via SN.msg(); this array is an implementation detail.
72 * Grabs a localized string that's been previously exported to us
73 * from server-side code via Action::getScriptMessages().
75 * @example alert(SN.msg('coolplugin-failed'));
77 * @param {String} key: string key name to pull from message index
78 * @return matching localized message string
81 if (typeof SN.messages[key] == "undefined") {
82 return '[' + key + ']';
84 return SN.messages[key];
90 * Setup function -- DOES NOT trigger actions immediately.
92 * Sets up event handlers on the new notice form.
94 * @param {jQuery} form: jQuery object whose first matching element is the form
97 FormNoticeEnhancements: function(form) {
98 if (jQuery.data(form[0], 'ElementData') === undefined) {
99 MaxLength = form.find('.count').text();
100 if (typeof(MaxLength) == 'undefined') {
101 MaxLength = SN.C.I.MaxLength;
103 jQuery.data(form[0], 'ElementData', {MaxLength:MaxLength});
107 NDT = form.find('.notice_data-text:first');
109 NDT.bind('keyup', function(e) {
113 var delayedUpdate= function(e) {
114 // Cut and paste events fire *before* the operation,
115 // so we need to trigger an update in a little bit.
116 // This would be so much easier if the 'change' event
117 // actually fired every time the value changed. :P
118 window.setTimeout(function() {
122 // Note there's still no event for mouse-triggered 'delete'.
123 NDT.bind('cut', delayedUpdate)
124 .bind('paste', delayedUpdate);
127 form.find('.count').text(jQuery.data(form[0], 'ElementData').MaxLength);
132 * To be called from event handlers on the notice import form.
133 * Triggers an update of the remaining-characters counter.
135 * Additional counter updates will be suppressed during the
136 * next half-second to avoid flooding the layout engine with
137 * updates, followed by another automatic check.
139 * The maximum length is pulled from data established by
140 * FormNoticeEnhancements.
142 * @param {jQuery} form: jQuery object whose first element is the notice posting form
145 Counter: function(form) {
146 SN.C.I.FormNoticeCurrent = form;
148 var MaxLength = jQuery.data(form[0], 'ElementData').MaxLength;
150 if (MaxLength <= 0) {
154 var remaining = MaxLength - SN.U.CharacterCount(form);
155 var counter = form.find('.count');
157 if (remaining.toString() != counter.text()) {
158 if (!SN.C.I.CounterBlackout || remaining === 0) {
159 if (counter.text() != String(remaining)) {
160 counter.text(remaining);
163 form.addClass(SN.C.S.Warning);
165 form.removeClass(SN.C.S.Warning);
167 // Skip updates for the next 500ms.
168 // On slower hardware, updating on every keypress is unpleasant.
169 if (!SN.C.I.CounterBlackout) {
170 SN.C.I.CounterBlackout = true;
171 SN.C.I.FormNoticeCurrent = form;
172 window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
179 * Pull the count of characters in the current edit field.
180 * Plugins replacing the edit control may need to override this.
182 * @param {jQuery} form: jQuery object whose first element is the notice posting form
183 * @return number of chars
185 CharacterCount: function(form) {
186 return form.find('.notice_data-text:first').val().length;
190 * Called internally after the counter update blackout period expires;
191 * runs another update to make sure we didn't miss anything.
193 * @param {jQuery} form: jQuery object whose first element is the notice posting form
196 ClearCounterBlackout: function(form) {
197 // Allow keyup events to poke the counter again
198 SN.C.I.CounterBlackout = false;
199 // Check if the string changed since we last looked
204 * Helper function to rewrite default HTTP form action URLs to HTTPS
205 * so we can actually fetch them when on an SSL page in ssl=sometimes
208 * It would be better to output URLs that didn't hardcode protocol
209 * and hostname in the first place...
211 * @param {String} url
214 RewriteAjaxAction: function(url) {
215 // Quick hack: rewrite AJAX submits to HTTPS if they'd fail otherwise.
216 if (document.location.protocol == 'https:' && url.substr(0, 5) == 'http:') {
217 return url.replace(/^http:\/\/[^:\/]+/, 'https://' + document.location.host);
224 * Grabs form data and submits it asynchronously, with 'ajax=1'
225 * parameter added to the rest.
227 * If a successful response includes another form, that form
228 * will be extracted and copied in, replacing the original form.
229 * If there's no form, the first paragraph will be used.
231 * This will automatically be applied on the 'submit' event for
232 * any form with the 'ajax' class.
234 * @fixme can sometimes explode confusingly if returnd data is bogus
235 * @fixme error handling is pretty vague
236 * @fixme can't submit file uploads
238 * @param {jQuery} form: jQuery object whose first element is a form
242 FormXHR: function(form) {
246 url: SN.U.RewriteAjaxAction(form.attr('action')),
247 data: form.serialize() + '&ajax=1',
248 beforeSend: function(xhr) {
250 .addClass(SN.C.S.Processing)
252 .addClass(SN.C.S.Disabled)
253 .attr(SN.C.S.Disabled, SN.C.S.Disabled);
255 error: function (xhr, textStatus, errorThrown) {
256 // If the server end reported an error from StatusNet,
257 // find it -- otherwise we'll see what was reported
259 var errorReported = null;
260 if (xhr.responseXML) {
261 errorReported = $('#error', xhr.responseXML).text();
263 alert(errorReported || errorThrown || textStatus);
265 // Restore the form to original state.
268 .removeClass(SN.C.S.Processing)
270 .removeClass(SN.C.S.Disabled)
271 .removeAttr(SN.C.S.Disabled);
273 success: function(data, textStatus) {
274 if (typeof($('form', data)[0]) != 'undefined') {
275 form_new = document._importNode($('form', data)[0], true);
276 form.replaceWith(form_new);
278 else if (typeof($('p', data)[0]) != 'undefined') {
279 form.replaceWith(document._importNode($('p', data)[0], true));
282 alert('Unknown error.');
289 * Setup function -- DOES NOT trigger actions immediately.
291 * Sets up event handlers for special-cased async submission of the
292 * notice-posting form, including some pre-post validation.
294 * Unlike FormXHR() this does NOT submit the form immediately!
295 * It sets up event handlers so that any method of submitting the
296 * form (click on submit button, enter, submit() etc) will trigger
299 * Also unlike FormXHR(), this system will use a hidden iframe
300 * automatically to handle file uploads via <input type="file">
304 * @fixme vast swaths of duplicate code and really long variable names clutter this function up real bad
305 * @fixme error handling is unreliable
306 * @fixme cookieValue is a global variable, but probably shouldn't be
307 * @fixme saving the location cache cookies should be split out
308 * @fixme some error messages are hardcoded english: needs i18n
309 * @fixme special-case for bookmarklet is confusing and uses a global var "self". Is this ok?
311 * @param {jQuery} form: jQuery object whose first element is a form
315 FormNoticeXHR: function(form) {
316 SN.C.I.NoticeDataGeo = {};
317 form.append('<input type="hidden" name="ajax" value="1"/>');
319 // Make sure we don't have a mixed HTTP/HTTPS submission...
320 form.attr('action', SN.U.RewriteAjaxAction(form.attr('action')));
323 * Show a response feedback bit under the new-notice dialog.
325 * @param {String} cls: CSS class name to use ('error' or 'success')
326 * @param {String} text
329 var showFeedback = function(cls, text) {
331 $('<p class="form_response"></p>')
338 * Hide the previous response feedback, if any.
340 var removeFeedback = function() {
341 form.find('.form_response').remove();
347 beforeSend: function(formData) {
348 if (form.find('.notice_data-text:first').val() == '') {
349 form.addClass(SN.C.S.Warning);
353 .addClass(SN.C.S.Processing)
355 .addClass(SN.C.S.Disabled)
356 .attr(SN.C.S.Disabled, SN.C.S.Disabled);
358 SN.U.normalizeGeoData(form);
362 error: function (xhr, textStatus, errorThrown) {
364 .removeClass(SN.C.S.Processing)
366 .removeClass(SN.C.S.Disabled)
367 .removeAttr(SN.C.S.Disabled, SN.C.S.Disabled);
369 if (textStatus == 'timeout') {
371 showFeedback('error', 'Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.');
374 var response = SN.U.GetResponseXML(xhr);
375 if ($('.'+SN.C.S.Error, response).length > 0) {
376 form.append(document._importNode($('.'+SN.C.S.Error, response)[0], true));
379 if (parseInt(xhr.status) === 0 || jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
382 .find('.attach-status').remove();
383 SN.U.FormNoticeEnhancements(form);
387 showFeedback('error', '(Sorry! We had trouble sending your notice ('+xhr.status+' '+xhr.statusText+'). Please report the problem to the site administrator if this happens again.');
392 success: function(data, textStatus) {
394 var errorResult = $('#'+SN.C.S.Error, data);
395 if (errorResult.length > 0) {
396 showFeedback('error', errorResult.text());
399 if($('body')[0].id == 'bookmarklet') {
400 // @fixme self is not referenced anywhere?
404 var commandResult = $('#'+SN.C.S.CommandResult, data);
405 if (commandResult.length > 0) {
406 showFeedback('success', commandResult.text());
409 // New notice post was successful. If on our timeline, show it!
410 var notice = document._importNode($('li', data)[0], true);
411 var notices = $('#notices_primary .notices:first');
412 var replyItem = form.closest('li.notice-reply');
414 if (replyItem.length > 0) {
415 // If this is an inline reply, remove the form...
416 var list = form.closest('.threaded-replies');
417 var placeholder = list.find('.notice-reply-placeholder');
420 var id = $(notice).attr('id');
421 if ($("#"+id).length == 0) {
422 $(notice).insertBefore(placeholder);
424 // Realtime came through before us...
427 // ...and show the placeholder form.
429 } else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
430 // Not a reply. If on our timeline, show it at the top!
432 if ($('#'+notice.id).length === 0) {
433 var notice_irt_value = form.find('[name=inreplyto]').val();
434 var notice_irt = '#notices_primary #notice-'+notice_irt_value;
435 if($('body')[0].id == 'conversation') {
436 if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
437 $(notice_irt).append('<ul class="notices"></ul>');
439 $($(notice_irt+' .notices')[0]).append(notice);
442 notices.prepend(notice);
445 .css({display:'none'})
447 SN.U.NoticeWithAttachment($('#'+notice.id));
448 SN.U.switchInputFormTab("placeholder");
451 // Not on a timeline that this belongs on?
452 // Just show a success message.
454 showFeedback('success', $('title', data).text());
458 form.find('[name=inreplyto]').val('');
459 form.find('.attach-status').remove();
460 SN.U.FormNoticeEnhancements(form);
463 complete: function(xhr, textStatus) {
465 .removeClass(SN.C.S.Processing)
467 .removeAttr(SN.C.S.Disabled)
468 .removeClass(SN.C.S.Disabled);
470 form.find('[name=lat]').val(SN.C.I.NoticeDataGeo.NLat);
471 form.find('[name=lon]').val(SN.C.I.NoticeDataGeo.NLon);
472 form.find('[name=location_ns]').val(SN.C.I.NoticeDataGeo.NLNS);
473 form.find('[name=location_id]').val(SN.C.I.NoticeDataGeo.NLID);
474 form.find('[name=notice_data-geo]').attr('checked', SN.C.I.NoticeDataGeo.NDG);
479 FormProfileSearchXHR: function(form) {
483 url: form.attr('action'),
484 data: form.serialize() + '&ajax=1',
485 beforeSend: function(xhr) {
487 .addClass(SN.C.S.Processing)
489 .addClass(SN.C.S.Disabled)
490 .attr(SN.C.S.Disabled, SN.C.S.Disabled);
492 error: function (xhr, textStatus, errorThrown) {
493 alert(errorThrown || textStatus);
495 success: function(data, textStatus) {
496 var results_placeholder = $('#profile_search_results');
497 if (typeof($('ul', data)[0]) != 'undefined') {
498 var list = document._importNode($('ul', data)[0], true);
499 results_placeholder.replaceWith(list);
502 var _error = $('<li/>').append(document._importNode($('p', data)[0], true));
503 results_placeholder.html(_error);
506 .removeClass(SN.C.S.Processing)
508 .removeClass(SN.C.S.Disabled)
509 .attr(SN.C.S.Disabled, false);
514 FormPeopletagsXHR: function(form) {
518 url: form.attr('action'),
519 data: form.serialize() + '&ajax=1',
520 beforeSend: function(xhr) {
521 form.addClass(SN.C.S.Processing)
523 .addClass(SN.C.S.Disabled)
524 .attr(SN.C.S.Disabled, SN.C.S.Disabled);
526 error: function (xhr, textStatus, errorThrown) {
527 alert(errorThrown || textStatus);
529 success: function(data, textStatus) {
530 var results_placeholder = form.parents('.entity_tags');
531 if (typeof($('.entity_tags', data)[0]) != 'undefined') {
532 var tags = document._importNode($('.entity_tags', data)[0], true);
533 $(tags).find('.editable').append($('<button class="peopletags_edit_button"/>'));
534 results_placeholder.replaceWith(tags);
536 results_placeholder.find('p').remove();
537 results_placeholder.append(document._importNode($('p', data)[0], true));
538 form.removeClass(SN.C.S.Processing)
540 .removeClass(SN.C.S.Disabled)
541 .attr(SN.C.S.Disabled, false);
547 normalizeGeoData: function(form) {
548 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val();
549 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val();
550 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val();
551 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val();
552 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').attr('checked'); // @fixme
554 var cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
556 if (cookieValue !== null && cookieValue != 'disabled') {
557 cookieValue = JSON.parse(cookieValue);
558 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val(cookieValue.NLat).val();
559 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val(cookieValue.NLon).val();
560 if (cookieValue.NLNS) {
561 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val(cookieValue.NLNS).val();
562 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val(cookieValue.NLID).val();
564 form.find('[name=location_ns]').val('');
565 form.find('[name=location_id]').val('');
568 if (cookieValue == 'disabled') {
569 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').attr('checked', false).attr('checked');
572 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').attr('checked', true).attr('checked');
578 * Fetch an XML DOM from an XHR's response data.
580 * Works around unavailable responseXML when document.domain
581 * has been modified by Meteor or other tools, in some but not
584 * @param {XMLHTTPRequest} xhr
585 * @return DOMDocument
587 GetResponseXML: function(xhr) {
589 return xhr.responseXML;
591 return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
596 * Setup function -- DOES NOT trigger actions immediately.
598 * Sets up event handlers on all visible notice's reply buttons to
599 * tweak the new-notice form with needed variables and focus it
602 * (This replaces the default reply button behavior to submit
603 * directly to a form which comes back with a specialized page
604 * with the form data prefilled.)
608 NoticeReply: function() {
609 $('#content .notice_reply').live('click', function(e) {
611 var notice = $(this).closest('li.notice');
612 var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
613 SN.U.NoticeInlineReplyTrigger(notice, '@' + nickname.text());
619 * Stub -- kept for compat with plugins for now.
622 NoticeReplyTo: function(notice) {
626 * Open up a notice's inline reply box.
628 * @param {jQuery} notice: jQuery object containing one notice
629 * @param {String} initialText
631 NoticeInlineReplyTrigger: function(notice, initialText) {
632 // Find the notice we're replying to...
633 var id = $($('.notice_id', notice)[0]).text();
634 var parentNotice = notice;
636 // Find the threaded replies view we'll be adding to...
637 var list = notice.closest('.notices');
638 if (list.hasClass('threaded-replies')) {
639 // We're replying to a reply; use reply form on the end of this list.
640 // We'll add our form at the end of this; grab the root notice.
641 parentNotice = list.closest('.notice');
643 // We're replying to a parent notice; pull its threaded list
644 // and we'll add on the end of it. Will add if needed.
645 list = $('ul.threaded-replies', notice);
646 if (list.length == 0) {
647 list = $('<ul class="notices threaded-replies xoxo"></ul>');
652 // See if the form's already open...
653 var replyForm = $('.notice-reply-form', list);
655 var nextStep = function() {
657 replyForm.find('input[name=inreplyto]').val(id);
660 var text = replyForm.find('textarea');
661 if (text.length == 0) {
666 replyto = initialText + ' ';
668 text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
669 text.data('initialText', $.trim(initialText + ''));
671 if (text[0].setSelectionRange) {
672 var len = text.val().length;
673 text[0].setSelectionRange(len,len);
676 if (replyForm.length > 0) {
677 // Update the existing form...
680 // Hide the placeholder...
681 var placeholder = list.find('li.notice-reply-placeholder').hide();
683 // Create the reply form entry at the end
684 var replyItem = $('li.notice-reply', list);
685 if (replyItem.length == 0) {
686 replyItem = $('<li class="notice-reply"></li>');
688 var intermediateStep = function(formMaster) {
689 var formEl = document._importNode(formMaster, true);
690 replyItem.append(formEl);
691 list.append(replyItem); // *after* the placeholder
693 var form = replyForm = $(formEl);
694 SN.Init.NoticeFormSetup(form);
698 if (SN.C.I.NoticeFormMaster) {
699 // We've already saved a master copy of the form.
701 intermediateStep(SN.C.I.NoticeFormMaster);
703 // Fetch a fresh copy of the notice form over AJAX.
704 // Warning: this can have a delay, which looks bad.
705 // @fixme this fallback may or may not work
706 var url = $('#form_notice').attr('action');
707 $.get(url, {ajax: 1}, function(data, textStatus, xhr) {
708 intermediateStep($('form', data)[0]);
715 NoticeInlineReplyPlaceholder: function(notice) {
716 var list = notice.find('ul.threaded-replies');
717 var placeholder = $('<li class="notice-reply-placeholder">' +
718 '<input class="placeholder">' +
720 placeholder.find('input')
721 .val(SN.msg('reply_placeholder'));
722 list.append(placeholder);
726 * Setup function -- DOES NOT apply immediately.
728 * Sets up event handlers for inline reply mini-form placeholders.
729 * Uses 'live' rather than 'bind', so applies to future as well as present items.
731 NoticeInlineReplySetup: function() {
732 $('li.notice-reply-placeholder input')
733 .live('focus', function() {
734 var notice = $(this).closest('li.notice');
735 SN.U.NoticeInlineReplyTrigger(notice);
738 $('li.notice-reply-comments a')
739 .live('click', function() {
740 var url = $(this).attr('href');
741 var area = $(this).closest('.threaded-replies');
742 $.get(url, {ajax: 1}, function(data, textStatus, xhr) {
743 var replies = $('.threaded-replies', data);
744 if (replies.length) {
745 area.replaceWith(document._importNode(replies[0], true));
753 * Setup function -- DOES NOT trigger actions immediately.
755 * Sets up event handlers for repeat forms to toss up a confirmation
756 * popout before submitting.
758 * Uses 'live' rather than 'bind', so applies to future as well as present items.
760 NoticeRepeat: function() {
761 $('.form_repeat').live('click', function(e) {
764 SN.U.NoticeRepeatConfirmation($(this));
770 * Shows a confirmation dialog box variant of the repeat button form.
771 * This seems to use a technique where the repeat form contains
772 * _both_ a standalone button _and_ text and buttons for a dialog.
773 * The dialog will close after its copy of the form is submitted,
774 * or if you click its 'close' button.
776 * The dialog is created by duplicating the original form and changing
777 * its style; while clever, this is hard to generalize and probably
778 * duplicates a lot of unnecessary HTML output.
780 * @fixme create confirmation dialogs through a generalized interface
781 * that can be reused instead of hardcoded text and styles.
783 * @param {jQuery} form
785 NoticeRepeatConfirmation: function(form) {
786 var submit_i = form.find('.submit');
788 var submit = submit_i.clone();
790 .addClass('submit_dialogbox')
791 .removeClass('submit');
793 submit.bind('click', function() { SN.U.FormXHR(form); return false; });
798 .addClass('dialogbox')
799 .append('<button class="close">×</button>')
800 .closest('.notice-options')
803 form.find('button.close').click(function(){
807 .removeClass('dialogbox')
808 .closest('.notice-options')
809 .removeClass('opaque');
811 form.find('.submit_dialogbox').remove();
812 form.find('.submit').show();
819 * Setup function -- DOES NOT trigger actions immediately.
821 * Goes through all notices currently displayed and sets up attachment
822 * handling if needed.
824 NoticeAttachments: function() {
825 $('.notice a.attachment').each(function() {
826 SN.U.NoticeWithAttachment($(this).closest('.notice'));
831 * Setup function -- DOES NOT trigger actions immediately.
833 * Sets up special attachment link handling if needed. Currently this
834 * consists only of making the "more" button used for OStatus message
835 * cropping turn into an auto-expansion button that loads the full
836 * text from an attachment file.
838 * @param {jQuery} notice
840 NoticeWithAttachment: function(notice) {
841 if (notice.find('.attachment').length === 0) {
845 var attachment_more = notice.find('.attachment.more');
846 if (attachment_more.length > 0) {
847 $(attachment_more[0]).click(function() {
849 m.addClass(SN.C.S.Processing);
850 $.get(m.attr('href')+'/ajax', null, function(data) {
851 m.parent('.entry-content').html($(data).find('#attachment_view .entry-content').html());
855 }).attr('title', SN.msg('showmore_tooltip'));
860 * Setup function -- DOES NOT trigger actions immediately.
862 * Sets up event handlers for the file-attachment widget in the
863 * new notice form. When a file is selected, a box will be added
864 * below the text input showing the filename and, if supported
865 * by the browser, a thumbnail preview.
867 * This preview box will also allow removing the attachment
870 * @param {jQuery} form
872 NoticeDataAttach: function(form) {
873 var NDA = form.find('input[type=file]');
874 NDA.change(function(event) {
875 form.find('.attach-status').remove();
877 var filename = $(this).val();
879 // No file -- we've been tricked!
883 var attachStatus = $('<div class="attach-status '+SN.C.S.Success+'"><code></code> <button class="close">×</button></div>');
884 attachStatus.find('code').text(filename);
885 attachStatus.find('button').click(function(){
886 attachStatus.remove();
891 form.append(attachStatus);
893 if (typeof this.files == "object") {
894 // Some newer browsers will let us fetch the files for preview.
895 for (var i = 0; i < this.files.length; i++) {
896 SN.U.PreviewAttach(form, this.files[i]);
903 * Get PHP's MAX_FILE_SIZE setting for this form;
904 * used to apply client-side file size limit checks.
906 * @param {jQuery} form
907 * @return int max size in bytes; 0 or negative means no limit
909 maxFileSize: function(form) {
910 var max = $(form).find('input[name=MAX_FILE_SIZE]').attr('value');
912 return parseInt(max);
919 * For browsers with FileAPI support: make a thumbnail if possible,
920 * and append it into the attachment display widget.
923 * - Firefox 3.6.6, 4.0b7
924 * - Chrome 8.0.552.210
926 * Known ok metadata, can't get contents:
930 * - Opera 10.63, 11 beta (no input.files interface)
932 * @param {jQuery} form
935 * @todo use configured thumbnail size
936 * @todo detect pixel size?
937 * @todo should we render a thumbnail to a canvas and then use the smaller image?
939 PreviewAttach: function(form, file) {
940 var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
944 if (typeof window.createObjectURL != "undefined") {
946 * createObjectURL lets us reference the file directly from an <img>
947 * This produces a compact URL with an opaque reference to the file,
948 * which we can reference immediately.
950 * - Firefox 3.6.6: no
951 * - Firefox 4.0b7: no
953 * - Chrome 8.0.552.210: works!
955 blobAsDataURL = function(blob, callback) {
956 callback(window.createObjectURL(blob));
958 } else if (typeof window.FileReader != "undefined") {
960 * FileAPI's FileReader can build a data URL from a blob's contents,
961 * but it must read the file and build it asynchronously. This means
962 * we'll be passing a giant data URL around, which may be inefficient.
964 * - Firefox 3.6.6: works!
965 * - Firefox 4.0b7: works!
967 * - Chrome 8.0.552.210: works!
969 blobAsDataURL = function(blob, callback) {
970 var reader = new FileReader();
971 reader.onload = function(event) {
972 callback(reader.result);
974 reader.readAsDataURL(blob);
980 var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
981 if ($.inArray(file.type, imageTypes) == -1) {
982 // We probably don't know how to show the file.
986 var maxSize = 8 * 1024 * 1024;
987 if (file.size > maxSize) {
988 // Don't kill the browser trying to load some giant image.
993 blobAsDataURL(file, function(url) {
995 .attr('title', tooltip)
996 .attr('alt', tooltip)
998 .attr('style', 'height: 120px');
999 form.find('.attach-status').append(img);
1002 var img = $('<div></div>').text(tooltip);
1003 form.find('.attach-status').append(img);
1008 * Setup function -- DOES NOT trigger actions immediately.
1010 * Initializes state for the location-lookup features in the
1011 * new-notice form. Seems to set up some event handlers for
1012 * triggering lookups and using the new values.
1014 * @param {jQuery} form
1017 * @fixme there's not good visual state update here, so users have a
1018 * hard time figuring out if it's working or fixing if it's wrong.
1021 NoticeLocationAttach: function(form) {
1022 // @fixme this should not be tied to the main notice form, as there may be multiple notice forms...
1023 var NLat = form.find('[name=lat]')
1024 var NLon = form.find('[name=lon]')
1025 var NLNS = form.find('[name=location_ns]').val();
1026 var NLID = form.find('[name=location_id]').val();
1027 var NLN = ''; // @fixme
1028 var NDGe = form.find('[name=notice_data-geo]');
1029 var check = form.find('[name=notice_data-geo]');
1030 var label = form.find('label.notice_data-geo');
1032 function removeNoticeDataGeo(error) {
1034 .attr('title', jQuery.trim(label.text()))
1035 .removeClass('checked');
1037 form.find('[name=lat]').val('');
1038 form.find('[name=lon]').val('');
1039 form.find('[name=location_ns]').val('');
1040 form.find('[name=location_id]').val('');
1041 form.find('[name=notice_data-geo]').attr('checked', false);
1043 $.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
1046 form.find('.geo_status_wrapper').removeClass('success').addClass('error');
1047 form.find('.geo_status_wrapper .geo_status').text(error);
1049 form.find('.geo_status_wrapper').remove();
1053 function getJSONgeocodeURL(geocodeURL, data) {
1054 SN.U.NoticeGeoStatus(form, 'Looking up place name...');
1055 $.getJSON(geocodeURL, data, function(location) {
1058 if (typeof(location.location_ns) != 'undefined') {
1059 form.find('[name=location_ns]').val(location.location_ns);
1060 lns = location.location_ns;
1063 if (typeof(location.location_id) != 'undefined') {
1064 form.find('[name=location_id]').val(location.location_id);
1065 lid = location.location_id;
1068 if (typeof(location.name) == 'undefined') {
1069 NLN_text = data.lat + ';' + data.lon;
1072 NLN_text = location.name;
1075 SN.U.NoticeGeoStatus(form, NLN_text, data.lat, data.lon, location.url);
1077 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
1079 form.find('[name=lat]').val(data.lat);
1080 form.find('[name=lon]').val(data.lon);
1081 form.find('[name=location_ns]').val(lns);
1082 form.find('[name=location_id]').val(lid);
1083 form.find('[name=notice_data-geo]').attr('checked', true);
1095 $.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
1099 if (check.length > 0) {
1100 if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1101 check.attr('checked', false);
1104 check.attr('checked', true);
1107 var NGW = form.find('.notice_data-geo_wrap');
1108 var geocodeURL = NGW.attr('data-api');
1111 .attr('title', label.text());
1113 check.change(function() {
1114 if (check.attr('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
1116 .attr('title', NoticeDataGeo_text.ShareDisable)
1117 .addClass('checked');
1119 if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1120 if (navigator.geolocation) {
1121 SN.U.NoticeGeoStatus(form, 'Requesting location from browser...');
1122 navigator.geolocation.getCurrentPosition(
1123 function(position) {
1124 form.find('[name=lat]').val(position.coords.latitude);
1125 form.find('[name=lon]').val(position.coords.longitude);
1128 lat: position.coords.latitude,
1129 lon: position.coords.longitude,
1130 token: $('#token').val()
1133 getJSONgeocodeURL(geocodeURL, data);
1137 switch(error.code) {
1138 case error.PERMISSION_DENIED:
1139 removeNoticeDataGeo('Location permission denied.');
1142 //$('#'+SN.C.S.NoticeDataGeo).attr('checked', false);
1143 removeNoticeDataGeo('Location lookup timeout.');
1154 if (NLat.length > 0 && NLon.length > 0) {
1158 token: $('#token').val()
1161 getJSONgeocodeURL(geocodeURL, data);
1164 removeNoticeDataGeo();
1171 var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
1173 form.find('[name=lat]').val(cookieValue.NLat);
1174 form.find('[name=lon]').val(cookieValue.NLon);
1175 form.find('[name=location_ns]').val(cookieValue.NLNS);
1176 form.find('[name=location_id]').val(cookieValue.NLID);
1177 form.find('[name=notice_data-geo]').attr('checked', cookieValue.NDG);
1179 SN.U.NoticeGeoStatus(form, cookieValue.NLN, cookieValue.NLat, cookieValue.NLon, cookieValue.NLNU);
1181 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
1182 .addClass('checked');
1186 removeNoticeDataGeo();
1193 * Create or update a geolocation status widget in this notice posting form.
1195 * @param {jQuery} form
1196 * @param {String} status
1197 * @param {String} lat (optional)
1198 * @param {String} lon (optional)
1199 * @param {String} url (optional)
1201 NoticeGeoStatus: function(form, status, lat, lon, url)
1203 var wrapper = form.find('.geo_status_wrapper');
1204 if (wrapper.length == 0) {
1205 wrapper = $('<div class="'+SN.C.S.Success+' geo_status_wrapper"><button class="close" style="float:right">×</button><div class="geo_status"></div></div>');
1206 wrapper.find('button.close').click(function() {
1207 form.find('[name=notice_data-geo]').removeAttr('checked').change();
1210 form.append(wrapper);
1214 label = $('<a></a>').attr('href', url);
1216 label = $('<span></span>');
1220 var latlon = lat + ';' + lon;
1221 label.attr('title', latlon);
1226 wrapper.find('.geo_status').empty().append(label);
1230 * Setup function -- DOES NOT trigger actions immediately.
1232 * Initializes event handlers for the "Send direct message" link on
1233 * profile pages, setting it up to display a dialog box when clicked.
1235 * Unlike the repeat confirmation form, this appears to fetch
1236 * the form _from the original link target_, so the form itself
1237 * doesn't need to be in the current document.
1239 * @fixme breaks ability to open link in new window?
1241 NewDirectMessage: function() {
1242 NDM = $('.entity_send-a-message a');
1243 NDM.attr({'href':NDM.attr('href')+'&ajax=1'});
1244 NDM.bind('click', function() {
1245 var NDMF = $('.entity_send-a-message form');
1246 if (NDMF.length === 0) {
1247 $(this).addClass(SN.C.S.Processing);
1248 $.get(NDM.attr('href'), null, function(data) {
1249 $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
1250 NDMF = $('.entity_send-a-message .form_notice');
1251 SN.U.FormNoticeXHR(NDMF);
1252 SN.U.FormNoticeEnhancements(NDMF);
1253 NDMF.append('<button class="close">×</button>');
1254 $('.entity_send-a-message button').click(function(){
1258 NDM.removeClass(SN.C.S.Processing);
1263 $('.entity_send-a-message textarea').focus();
1270 * Return a date object with the current local time on the
1271 * given year, month, and day.
1273 * @param {number} year: 4-digit year
1274 * @param {number} month: 0 == January
1275 * @param {number} day: 1 == 1
1278 GetFullYear: function(year, month, day) {
1279 var date = new Date();
1280 date.setFullYear(year, month, day);
1286 * Some sort of object interface for storing some structured
1287 * information in a cookie.
1289 * Appears to be used to save the last-used login nickname?
1290 * That's something that browsers usually take care of for us
1291 * these days, do we really need to do it? Does anything else
1292 * use this interface?
1294 * @fixme what is this?
1295 * @fixme should this use non-cookie local storage when available?
1297 StatusNetInstance: {
1299 * @fixme what is this?
1301 Set: function(value) {
1302 var SNI = SN.U.StatusNetInstance.Get();
1304 value = $.extend(SNI, value);
1308 SN.C.S.StatusNetInstance,
1309 JSON.stringify(value),
1312 expires: SN.U.GetFullYear(2029, 0, 1)
1317 * @fixme what is this?
1320 var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
1321 if (cookieValue !== null) {
1322 return JSON.parse(cookieValue);
1328 * @fixme what is this?
1330 Delete: function() {
1331 $.cookie(SN.C.S.StatusNetInstance, null);
1336 * Check if the current page is a timeline where the current user's
1337 * posts should be displayed immediately on success.
1339 * @fixme this should be done in a saner way, with machine-readable
1340 * info about what page we're looking at.
1342 * @param {DOMElement} notice: HTML chunk with formatted notice
1345 belongsOnTimeline: function(notice) {
1346 var action = $("body").attr('id');
1347 if (action == 'public') {
1351 var profileLink = $('#nav_profile a').attr('href');
1353 var authorUrl = $(notice).find('.vcard.author a.url').attr('href');
1354 if (authorUrl == profileLink) {
1355 if (action == 'all' || action == 'showstream') {
1356 // Posts always show on your own friends and profile streams.
1362 // @fixme tag, group, reply timelines should be feasible as well.
1363 // Mismatch between id-based and name-based user/group links currently complicates
1364 // the lookup, since all our inline mentions contain the absolute links but the
1365 // UI links currently on the page use malleable names.
1371 * Switch to another active input sub-form.
1372 * This will hide the current form (if any), show the new one, and
1373 * update the input type tab selection state.
1375 * @param {String} tag
1377 switchInputFormTab: function(tag) {
1378 // The one that's current isn't current anymore
1379 $('.input_form_nav_tab.current').removeClass('current');
1380 if (tag == 'placeholder') {
1381 // Hack: when showing the placeholder, mark the tab
1382 // as current for 'Status'.
1383 $('#input_form_nav_status').addClass('current');
1385 $('#input_form_nav_'+tag).addClass('current');
1388 $('.input_form.current').removeClass('current');
1389 $('#input_form_'+tag)
1390 .addClass('current')
1391 .find('.ajax-notice').each(function() {
1393 SN.Init.NoticeFormSetup(form);
1395 .find('textarea:first').focus();
1401 * If user is logged in, run setup code for the new notice form:
1406 * - file upload events
1408 NoticeForm: function() {
1409 if ($('body.user_in').length > 0) {
1410 // SN.Init.NoticeFormSetup() will get run
1411 // when forms get displayed for the first time...
1413 // Hack to initialize the placeholder at top
1414 $('#input_form_placeholder input.placeholder').focus(function() {
1415 SN.U.switchInputFormTab("status");
1418 // Make inline reply forms self-close when clicking out.
1419 $('body').bind('click', function(e) {
1420 var currentForm = $('#content .input_forms div.current');
1421 if (currentForm.length > 0) {
1422 if ($('#content .input_forms').has(e.target).length == 0) {
1423 // If all fields are empty, switch back to the placeholder.
1424 var fields = currentForm.find('textarea, input[type=text], input[type=""]');
1425 var anything = false;
1426 fields.each(function() {
1427 anything = anything || $(this).val();
1430 SN.U.switchInputFormTab("placeholder");
1435 var openReplies = $('li.notice-reply');
1436 if (openReplies.length > 0) {
1437 var target = $(e.target);
1438 openReplies.each(function() {
1439 // Did we click outside this one?
1440 var replyItem = $(this);
1441 if (replyItem.has(e.target).length == 0) {
1442 var textarea = replyItem.find('.notice_data-text:first');
1443 var cur = $.trim(textarea.val());
1444 // Only close if there's been no edit.
1445 if (cur == '' || cur == textarea.data('initialText')) {
1446 var parentNotice = replyItem.closest('li.notice');
1448 parentNotice.find('li.notice-reply-placeholder').show();
1458 * Encapsulate notice form setup for a single form.
1459 * Plugins can add extra setup by monkeypatching this
1462 * @param {jQuery} form
1464 NoticeFormSetup: function(form) {
1465 if (!form.data('NoticeFormSetup')) {
1466 SN.U.NoticeLocationAttach(form);
1467 SN.U.FormNoticeXHR(form);
1468 SN.U.FormNoticeEnhancements(form);
1469 SN.U.NoticeDataAttach(form);
1470 form.data('NoticeFormSetup', true);
1475 * Run setup code for notice timeline views items:
1477 * - AJAX submission for fave/repeat/reply (if logged in)
1478 * - Attachment link extras ('more' links)
1480 Notices: function() {
1481 if ($('body.user_in').length > 0) {
1482 var masterForm = $('.form_notice:first');
1483 if (masterForm.length > 0) {
1484 SN.C.I.NoticeFormMaster = document._importNode(masterForm[0], true);
1486 SN.U.NoticeRepeat();
1488 SN.U.NoticeInlineReplySetup();
1491 SN.U.NoticeAttachments();
1495 * Run setup code for user & group profile page header area if logged in:
1497 * - AJAX submission for sub/unsub/join/leave/nudge
1498 * - AJAX form popup for direct-message
1500 EntityActions: function() {
1501 if ($('body.user_in').length > 0) {
1502 $('.form_user_subscribe').live('click', function() { SN.U.FormXHR($(this)); return false; });
1503 $('.form_user_unsubscribe').live('click', function() { SN.U.FormXHR($(this)); return false; });
1504 $('.form_group_join').live('click', function() { SN.U.FormXHR($(this)); return false; });
1505 $('.form_group_leave').live('click', function() { SN.U.FormXHR($(this)); return false; });
1506 $('.form_user_nudge').live('click', function() { SN.U.FormXHR($(this)); return false; });
1507 $('.form_peopletag_subscribe').live('click', function() { SN.U.FormXHR($(this)); return false; });
1508 $('.form_peopletag_unsubscribe').live('click', function() { SN.U.FormXHR($(this)); return false; });
1509 $('.form_user_add_peopletag').live('click', function() { SN.U.FormXHR($(this)); return false; });
1510 $('.form_user_remove_peopletag').live('click', function() { SN.U.FormXHR($(this)); return false; });
1512 SN.U.NewDirectMessage();
1516 ProfileSearch: function() {
1517 if ($('body.user_in').length > 0) {
1518 $('.form_peopletag_edit_user_search input.submit').live('click', function() {
1519 SN.U.FormProfileSearchXHR($(this).parents('form')); return false;
1525 * Run setup code for login form:
1527 * - loads saved last-used-nickname from cookie
1528 * - sets event handler to save nickname to cookie on submit
1530 * @fixme is this necessary? Browsers do their own form saving these days.
1533 if (SN.U.StatusNetInstance.Get() !== null) {
1534 var nickname = SN.U.StatusNetInstance.Get().Nickname;
1535 if (nickname !== null) {
1536 $('#form_login #nickname').val(nickname);
1540 $('#form_login').bind('submit', function() {
1541 SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
1546 PeopletagAutocomplete: function() {
1547 $('.form_tag_user #tags').tagInput({
1548 tags: SN.C.PtagACData,
1551 formatLine: function (i, e, search, matches) {
1552 var tag = "<b>" + e.tag.substring(0, search.length) + "</b>" + e.tag.substring(search.length);
1554 var line = $("<div/>").addClass('mode-' + e.mode);
1555 line.append($("<div class='tagInputLineTag'>" + tag
1556 + " <em class='privacy_mode'>" + e.mode + "</em></div>"));
1558 line.append("<div class='tagInputLineFreq'>" + e.freq + "</div>");
1564 PeopleTags: function() {
1565 $('.user_profile_tags .editable').append($('<button class="peopletags_edit_button"/>'));
1567 $('.peopletags_edit_button').live('click', function() {
1568 var form = $(this).parents('dd').eq(0).find('form');
1569 // We can buy time from the above animation
1570 if (typeof SN.C.PtagACData === 'undefined') {
1571 $.getJSON(_peopletagAC + '?token=' + $('#token').val(), function(data) {
1572 SN.C.PtagACData = data;
1573 _loadTagInput(SN.Init.PeopletagAutocomplete);
1575 } else { _loadTagInput(SN.Init.PeopletagAutocomplete); }
1577 $(this).parents('ul').eq(0).fadeOut(200, function() {form.fadeIn(200).find('input#tags')});
1580 $('.user_profile_tags form .submit').live('click', function() {
1581 SN.U.FormPeopletagsXHR($(this).parents('form')); return false;
1586 * Set up any generic 'ajax' form so it submits via AJAX with auto-replacement.
1588 AjaxForms: function() {
1589 $('form.ajax').live('submit', function() {
1590 SN.U.FormXHR($(this));
1593 $('form.ajax input[type=submit]').live('click', function() {
1594 // Some forms rely on knowing which submit button was clicked.
1595 // Save a hidden input field which'll be picked up during AJAX
1597 var button = $(this);
1598 var form = button.closest('form');
1599 form.find('.hidden-submit-button').remove();
1600 $('<input class="hidden-submit-button" type="hidden" />')
1601 .attr('name', button.attr('name'))
1608 * Add logic to any file upload forms to handle file size limits,
1609 * on browsers that support basic FileAPI.
1611 UploadForms: function () {
1612 $('input[type=file]').change(function(event) {
1613 if (typeof this.files == "object" && this.files.length > 0) {
1615 for (var i = 0; i < this.files.length; i++) {
1616 size += this.files[i].size;
1619 var max = SN.U.maxFileSize($(this.form));
1620 if (max > 0 && size > max) {
1621 var msg = 'File too large: maximum upload size is %d bytes.';
1622 alert(msg.replace('%d', max));
1626 event.preventDefault();
1633 CheckBoxes: function() {
1634 $("span[class='checkbox-wrapper']").addClass("unchecked");
1635 $(".checkbox-wrapper").click(function(){
1636 if($(this).children("input").attr("checked")){
1638 $(this).children("input").attr({checked: ""});
1639 $(this).removeClass("checked");
1640 $(this).addClass("unchecked");
1641 $(this).children("label").text("Private?");
1644 $(this).children("input").attr({checked: "checked"});
1645 $(this).removeClass("unchecked");
1646 $(this).addClass("checked");
1647 $(this).children("label").text("Private");
1655 * Run initialization functions on DOM-ready.
1657 * Note that if we're waiting on other scripts to load, this won't happen
1658 * until that's done. To load scripts asynchronously without delaying setup,
1659 * don't start them loading until after DOM-ready time!
1661 $(document).ready(function(){
1662 SN.Init.AjaxForms();
1663 SN.Init.UploadForms();
1664 SN.Init.CheckBoxes();
1665 if ($('.'+SN.C.S.FormNotice).length > 0) {
1666 SN.Init.NoticeForm();
1668 if ($('#content .notices').length > 0) {
1671 if ($('#content .entity_actions').length > 0) {
1672 SN.Init.EntityActions();
1674 if ($('#form_login').length > 0) {
1677 if ($('#profile_search_results').length > 0) {
1678 SN.Init.ProfileSearch();
1680 if ($('.user_profile_tags .editable').length > 0) {
1681 SN.Init.PeopleTags();