added a comma in a strategic location. It sometimes helps Explorer feel better.
[cxgn-jslib.git] / thickbox.js
blob8dfeba0b3fb21155b96d7d68eb3ce16bc4cfbd03
1 /*
2  * Thickbox 3.1 - One Box To Rule Them All.
3  * By Cody Lindley (http://www.codylindley.com)
4  * Copyright (c) 2007 cody lindley
5  * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
6 */
7                   
8 var tb_pathToImage = '/documents/img/sgn_logo_animated.gif'; //"images/loadingAnimation.gif";
10 /*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
11 /////////////////////////
12 /*Comment by Naama Menda (Feb. 2009): 
13  * calling jQeury.noConflict()  in jQuery.init() function
14  * so this object will not override the '$' namespace used in Prototype.js
15  * sub classes using jQuery (see thickbox.js) must use the jQuery namespace instead of '$'
16  */
17 ///////////////////////
18 // meaningless comment delete me.  just testing version control.
21 //on page load call tb_init
22 jQuery(document).ready(function(){   
23         tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
24         imgLoader = new Image();// preload image
25         imgLoader.src = tb_pathToImage;
26 });
28 //add thickbox to href & area elements that have a class of .thickbox
29 function tb_init(domChunk){
30         jQuery(domChunk).click(function(){
31         var t = this.title || this.name || null;
32         var a = this.href || this.alt;
33         var g = this.rel || false;
34         tb_show(t,a,g);
35         this.blur();
36         return false;
37         });
40 function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
42         try {
43                 if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
44                         jQuery("body","html").css({height: "100%", width: "100%"});
45                         jQuery("html").css("overflow","hidden");
46                         if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
47                                 jQuery("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
48                                 jQuery("#TB_overlay").click(tb_remove);
49                         }
50                 }else{//all others
51                         if(document.getElementById("TB_overlay") === null){
52                                 jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
53                                 jQuery("#TB_overlay").click(tb_remove);
54                         }
55                 }
56                 
57                 if(tb_detectMacXFF()){
58                         jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
59                 }else{
60                         jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
61                 }
62                 
63                 if(caption===null){caption="";}
64                 jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
65                 jQuery('#TB_load').show();//show loader
66                 
67                 var baseURL;
68            if(url.indexOf("?")!==-1){ //ff there is a query string involved
69                         baseURL = url.substr(0, url.indexOf("?"));
70            }else{ 
71                         baseURL = url;
72            }
73            
74            var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
75            var urlType = baseURL.toLowerCase().match(urlString);
77                 if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
78                                 
79                         TB_PrevCaption = "";
80                         TB_PrevURL = "";
81                         TB_PrevHTML = "";
82                         TB_NextCaption = "";
83                         TB_NextURL = "";
84                         TB_NextHTML = "";
85                         TB_imageCount = "";
86                         TB_FoundURL = false;
87                         if(imageGroup){
88                                 TB_TempArray = jQuery("a[@rel="+imageGroup+"]").get();
89                                 for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
90                                         var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
91                                                 if (!(TB_TempArray[TB_Counter].href == url)) {                                          
92                                                         if (TB_FoundURL) {
93                                                                 TB_NextCaption = TB_TempArray[TB_Counter].title;
94                                                                 TB_NextURL = TB_TempArray[TB_Counter].href;
95                                                                 TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
96                                                         } else {
97                                                                 TB_PrevCaption = TB_TempArray[TB_Counter].title;
98                                                                 TB_PrevURL = TB_TempArray[TB_Counter].href;
99                                                                 TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Prev</a></span>";
100                                                         }
101                                                 } else {
102                                                         TB_FoundURL = true;
103                                                         TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);                                                                                     
104                                                 }
105                                 }
106                         }
108                         imgPreloader = new Image();
109                         imgPreloader.onload = function(){               
110                         imgPreloader.onload = null;
111                                 
112                         // Resizing large images - orginal by Christian Montoya edited by me.
113                         var pagesize = tb_getPageSize();
114                         var x = pagesize[0] - 150;
115                         var y = pagesize[1] - 150;
116                         var imageWidth = imgPreloader.width;
117                         var imageHeight = imgPreloader.height;
118                         if (imageWidth > x) {
119                                 imageHeight = imageHeight * (x / imageWidth); 
120                                 imageWidth = x; 
121                                 if (imageHeight > y) { 
122                                         imageWidth = imageWidth * (y / imageHeight); 
123                                         imageHeight = y; 
124                                 }
125                         } else if (imageHeight > y) { 
126                                 imageWidth = imageWidth * (y / imageHeight); 
127                                 imageHeight = y; 
128                                 if (imageWidth > x) { 
129                                         imageHeight = imageHeight * (x / imageWidth); 
130                                         imageWidth = x;
131                                 }
132                         }
133                         // End Resizing
134                         
135                         TB_WIDTH = imageWidth + 30;
136                         TB_HEIGHT = imageHeight + 60;
137                         jQuery("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div>");             
138                         
139                         jQuery("#TB_closeWindowButton").click(tb_remove);
140                         
141                         if (!(TB_PrevHTML === "")) {
142                                 function goPrev(){
143                                         if(jQuery(document).unbind("click",goPrev)){jQuery(document).unbind("click",goPrev);}
144                                         jQuery("#TB_window").remove();
145                                         jQuery("body").append("<div id='TB_window'></div>");
146                                         tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
147                                         return false;   
148                                 }
149                                 jQuery("#TB_prev").click(goPrev);
150                         }
151                         
152                         if (!(TB_NextHTML === "")) {            
153                                 function goNext(){
154                                         jQuery("#TB_window").remove();
155                                         jQuery("body").append("<div id='TB_window'></div>");
156                                         tb_show(TB_NextCaption, TB_NextURL, imageGroup);                                
157                                         return false;   
158                                 }
159                                 jQuery("#TB_next").click(goNext);
160                                 
161                         }
163                         document.onkeydown = function(e){       
164                                 if (e == null) { // ie
165                                         keycode = event.keyCode;
166                                 } else { // mozilla
167                                         keycode = e.which;
168                                 }
169                                 if(keycode == 27){ // close
170                                         tb_remove();
171                                 } else if(keycode == 190){ // display previous image
172                                         if(!(TB_NextHTML == "")){
173                                                 document.onkeydown = "";
174                                                 goNext();
175                                         }
176                                 } else if(keycode == 188){ // display next image
177                                         if(!(TB_PrevHTML == "")){
178                                                 document.onkeydown = "";
179                                                 goPrev();
180                                         }
181                                 }       
182                         };
183                         
184                         tb_position();
185                         jQuery("#TB_load").remove();
186                         jQuery("#TB_ImageOff").click(tb_remove);
187                         jQuery("#TB_window").css({display:"block"}); //for safari using css instead of show
188                         };
189                         
190                         imgPreloader.src = url;
191                 }else{//code to show html
192                         
193                         var queryString = url.replace(/^[^\?]+\??/,'');
194                         var params = tb_parseQuery( queryString );
196                         TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
197                         TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
198                         ajaxContentW = TB_WIDTH - 30;
199                         ajaxContentH = TB_HEIGHT - 45;
200                         
201                         if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window              
202                                         urlNoQuery = url.split('TB_');
203                                         jQuery("#TB_iframeContent").remove();
204                                         if(params['modal'] != "true"){//iframe no modal
205                                                 jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe>");
206                                         }else{//iframe modal
207                                         jQuery("#TB_overlay").unbind();
208                                                 jQuery("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
209                                         }
210                         }else{// not an iframe, ajax
211                                         if(jQuery("#TB_window").css("display") != "block"){
212                                                 if(params['modal'] != "true"){//ajax no modal
213                                                 jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
214                                                 }else{//ajax modal
215                                                 jQuery("#TB_overlay").unbind();
216                                                 jQuery("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");    
217                                                 }
218                                         }else{//this means the window is already up, we are just loading new content via ajax
219                                                 jQuery("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
220                                                 jQuery("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
221                                                 jQuery("#TB_ajaxContent")[0].scrollTop = 0;
222                                                 jQuery("#TB_ajaxWindowTitle").html(caption);
223                                         }
224                         }
225                                         
226                         jQuery("#TB_closeWindowButton").click(tb_remove);
227                         
228                                 if(url.indexOf('TB_inline') != -1){     
229                                         jQuery("#TB_ajaxContent").append(jQuery('#' + params['inlineId']).children());
230                                         jQuery("#TB_window").unload(function () {
231                                                 jQuery('#' + params['inlineId']).append( jQuery("#TB_ajaxContent").children() ); // move elements back when you're finished
232                                         });
233                                         tb_position();
234                                         jQuery("#TB_load").remove();
235                                         jQuery("#TB_window").css({display:"block"}); 
236                                 }else if(url.indexOf('TB_iframe') != -1){
237                                         tb_position();
238                                         if(jQuery.browser.safari){//safari needs help because it will not fire iframe onload
239                                                 jQuery("#TB_load").remove();
240                                                 jQuery("#TB_window").css({display:"block"});
241                                         }
242                                 }else{
243                                         jQuery("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
244                                                 tb_position();
245                                                 jQuery("#TB_load").remove();
246                                                 tb_init("#TB_ajaxContent a.thickbox");
247                                                 jQuery("#TB_window").css({display:"block"});
248                                         });
249                                 }
250                         
251                 }
253                 if(!params['modal']){
254                         document.onkeyup = function(e){         
255                                 if (e == null) { // ie
256                                         keycode = event.keyCode;
257                                 } else { // mozilla
258                                         keycode = e.which;
259                                 }
260                                 if(keycode == 27){ // close
261                                         tb_remove();
262                                 }       
263                         };
264                 }
265                 
266         } catch(e) {
267                 //nothing here
268         }
271 //helper functions below
272 function tb_showIframe(){
273         jQuery("#TB_load").remove();
274         jQuery("#TB_window").css({display:"block"});
277 function tb_remove() {
278         jQuery("#TB_imageOff").unbind("click");
279         jQuery("#TB_closeWindowButton").unbind("click");
280         jQuery("#TB_window").fadeOut("fast",function(){jQuery('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
281         jQuery("#TB_load").remove();
282         if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
283                 jQuery("body","html").css({height: "auto", width: "auto"});
284                 jQuery("html").css("overflow","");
285         }
286         document.onkeydown = "";
287         document.onkeyup = "";
288         return false;
291 function tb_position() {
292 jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
293         if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
294                 jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
295         }
298 function tb_parseQuery ( query ) {
299    var Params = {};
300    if ( ! query ) {return Params;}// return empty object
301    var Pairs = query.split(/[;&]/);
302    for ( var i = 0; i < Pairs.length; i++ ) {
303       var KeyVal = Pairs[i].split('=');
304       if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
305       var key = unescape( KeyVal[0] );
306       var val = unescape( KeyVal[1] );
307       val = val.replace(/\+/g, ' ');
308       Params[key] = val;
309    }
310    return Params;
313 function tb_getPageSize(){
314         var de = document.documentElement;
315         var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
316         var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
317         arrayPageSize = [w,h];
318         return arrayPageSize;
321 function tb_detectMacXFF() {
322   var userAgent = navigator.userAgent.toLowerCase();
323   if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
324     return true;
325   }