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1 /*!
2  * TipTip
3  * Copyright 2010 Drew Wilson
4  * www.drewwilson.com
5  * code.drewwilson.com/entry/tiptip-jquery-plugin
6  *
7  * Version 1.3   -   Updated: Mar. 23, 2010
8  *
9  * This Plug-In will create a custom tooltip to replace the default
10  * browser tooltip. It is extremely lightweight and very smart in
11  * that it detects the edges of the browser window and will make sure
12  * the tooltip stays within the current window size. As a result the
13  * tooltip will adjust itself to be displayed above, below, to the left
14  * or to the right depending on what is necessary to stay within the
15  * browser window. It is completely customizable as well via CSS.
16  *
17  * This TipTip jQuery plug-in is dual licensed under the MIT and GPL licenses:
18  *   http://www.opensource.org/licenses/mit-license.php
19  *   http://www.gnu.org/licenses/gpl.html
20  */
21
22 (function($){
23         $.fn.tipTip = function(options) {
24                 var defaults = {
25                         activation: "hover",
26                         keepAlive: false,
27                         maxWidth: "200px",
28                         edgeOffset: 3,
29                         defaultPosition: "bottom",
30                         delay: 400,
31                         fadeIn: 200,
32                         fadeOut: 200,
33                         attribute: "title",
34                         content: false, // HTML or String to fill TipTIp with
35                         enter: function(){},
36                         exit: function(){}
37                 };
38                 var opts = $.extend(defaults, options);
39
40                 // Setup tip tip elements and render them to the DOM
41                 if($("#tiptip_holder").length <= 0){
42                         var tiptip_holder = $('<div id="tiptip_holder" style="max-width:'+ opts.maxWidth +';"></div>');
43                         var tiptip_content = $('<div id="tiptip_content"></div>');
44                         var tiptip_arrow = $('<div id="tiptip_arrow"></div>');
45                         $("body").append(tiptip_holder.html(tiptip_content).prepend(tiptip_arrow.html('<div id="tiptip_arrow_inner"></div>')));
46                 } else {
47                         var tiptip_holder = $("#tiptip_holder");
48                         var tiptip_content = $("#tiptip_content");
49                         var tiptip_arrow = $("#tiptip_arrow");
50                 }
51
52                 return this.each(function(){
53                         var org_elem = $(this);
54                         if(opts.content){
55                                 var org_title = opts.content;
56                         } else {
57                                 var org_title = org_elem.attr(opts.attribute);
58                         }
59                         if(org_title && org_title != ""){
60                                 if(!opts.content){
61                                         org_elem.removeAttr(opts.attribute); //remove original Attribute
62                                 }
63                                 var timeout = false;
64
65                                 if(opts.activation == "hover"){
66                                         org_elem.hover(function(){
67                                                 active_tiptip();
68                                         }, function(){
69                                                 if(!opts.keepAlive){
70                                                         deactive_tiptip();
71                                                 }
72                                         });
73                                         if(opts.keepAlive){
74                                                 tiptip_holder.hover(function(){}, function(){
75                                                         deactive_tiptip();
76                                                 });
77                                         }
78                                 } else if(opts.activation == "focus"){
79                                         org_elem.focus(function(){
80                                                 active_tiptip();
81                                         }).blur(function(){
82                                                 deactive_tiptip();
83                                         });
84                                 } else if(opts.activation == "click"){
85                                         org_elem.click(function(){
86                                                 active_tiptip();
87                                                 return false;
88                                         }).hover(function(){},function(){
89                                                 if(!opts.keepAlive){
90                                                         deactive_tiptip();
91                                                 }
92                                         });
93                                         if(opts.keepAlive){
94                                                 tiptip_holder.hover(function(){}, function(){
95                                                         deactive_tiptip();
96                                                 });
97                                         }
98                                 }
99
100                                 function active_tiptip(){
101                                         opts.enter.call(this);
102                                         tiptip_content.html(org_title);
103                                         tiptip_holder.hide().removeAttr("class").css("margin","0");
104                                         tiptip_arrow.removeAttr("style");
105
106                                         var top = parseInt(org_elem.offset()['top']);
107                                         var left = parseInt(org_elem.offset()['left']);
108                                         var org_width = parseInt(org_elem.outerWidth());
109                                         var org_height = parseInt(org_elem.outerHeight());
110                                         var tip_w = tiptip_holder.outerWidth();
111                                         var tip_h = tiptip_holder.outerHeight();
112                                         var w_compare = Math.round((org_width - tip_w) / 2);
113                                         var h_compare = Math.round((org_height - tip_h) / 2);
114                                         var marg_left = Math.round(left + w_compare);
115                                         var marg_top = Math.round(top + org_height + opts.edgeOffset);
116                                         var t_class = "";
117                                         var arrow_top = "";
118                                         var arrow_left = Math.round(tip_w - 12) / 2;
119
120                     if(opts.defaultPosition == "bottom"){
121                         t_class = "_bottom";
122                         } else if(opts.defaultPosition == "top"){
123                                 t_class = "_top";
124                         } else if(opts.defaultPosition == "left"){
125                                 t_class = "_left";
126                         } else if(opts.defaultPosition == "right"){
127                                 t_class = "_right";
128                         }
129
130                                         var right_compare = (w_compare + left) < parseInt($(window).scrollLeft());
131                                         var left_compare = (tip_w + left) > parseInt($(window).width());
132
133                                         if((right_compare && w_compare < 0) || (t_class == "_right" && !left_compare) || (t_class == "_left" && left < (tip_w + opts.edgeOffset + 5))){
134                                                 t_class = "_right";
135                                                 arrow_top = Math.round(tip_h - 13) / 2;
136                                                 arrow_left = -12;
137                                                 marg_left = Math.round(left + org_width + opts.edgeOffset);
138                                                 marg_top = Math.round(top + h_compare);
139                                         } else if((left_compare && w_compare < 0) || (t_class == "_left" && !right_compare)){
140                                                 t_class = "_left";
141                                                 arrow_top = Math.round(tip_h - 13) / 2;
142                                                 arrow_left =  Math.round(tip_w);
143                                                 marg_left = Math.round(left - (tip_w + opts.edgeOffset + 5));
144                                                 marg_top = Math.round(top + h_compare);
145                                         }
146
147                                         var top_compare = (top + org_height + opts.edgeOffset + tip_h + 8) > parseInt($(window).height() + $(window).scrollTop());
148                                         var bottom_compare = ((top + org_height) - (opts.edgeOffset + tip_h + 8)) < 0;
149
150                                         if(top_compare || (t_class == "_bottom" && top_compare) || (t_class == "_top" && !bottom_compare)){
151                                                 if(t_class == "_top" || t_class == "_bottom"){
152                                                         t_class = "_top";
153                                                 } else {
154                                                         t_class = t_class+"_top";
155                                                 }
156                                                 arrow_top = tip_h;
157                                                 marg_top = Math.round(top - (tip_h + 5 + opts.edgeOffset));
158                                         } else if(bottom_compare | (t_class == "_top" && bottom_compare) || (t_class == "_bottom" && !top_compare)){
159                                                 if(t_class == "_top" || t_class == "_bottom"){
160                                                         t_class = "_bottom";
161                                                 } else {
162                                                         t_class = t_class+"_bottom";
163                                                 }
164                                                 arrow_top = -12;
165                                                 marg_top = Math.round(top + org_height + opts.edgeOffset);
166                                         }
167
168                                         if(t_class == "_right_top" || t_class == "_left_top"){
169                                                 marg_top = marg_top + 5;
170                                         } else if(t_class == "_right_bottom" || t_class == "_left_bottom"){
171                                                 marg_top = marg_top - 5;
172                                         }
173                                         if(t_class == "_left_top" || t_class == "_left_bottom"){
174                                                 marg_left = marg_left + 5;
175                                         }
176                                         tiptip_arrow.css({"margin-left": arrow_left+"px", "margin-top": arrow_top+"px"});
177                                         tiptip_holder.css({"margin-left": marg_left+"px", "margin-top": marg_top+"px"}).attr("class","tip"+t_class);
178
179                                         if (timeout){ clearTimeout(timeout); }
180                                         timeout = setTimeout(function(){ tiptip_holder.stop(true,true).fadeIn(opts.fadeIn); }, opts.delay);
181                                 }
182
183                                 function deactive_tiptip(){
184                                         opts.exit.call(this);
185                                         if (timeout){ clearTimeout(timeout); }
186                                         tiptip_holder.fadeOut(opts.fadeOut);
187                                 }
188                         }
189                 });
190         }
191 })(jQuery);