wp-includes/js/thickbox/thickbox.js

   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 = "../wp-includes/js/thickbox/loadingAnimation.gif";
   9 var tb_closeImage = "../wp-includes/js/thickbox/tb-close.png";
  10
  11 /*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
  12
  13 //on page load call tb_init
  14 jQuery(document).ready(function(){
  15         tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
  16         imgLoader = new Image();// preload image
  17         imgLoader.src = tb_pathToImage;
  18 });
  19
  20 //add thickbox to href & area elements that have a class of .thickbox
  21 function tb_init(domChunk){
  22         jQuery(domChunk).click(function(){
  23         var t = this.title || this.name || null;
  24         var a = this.href || this.alt;
  25         var g = this.rel || false;
  26         tb_show(t,a,g);
  27         this.blur();
  28         return false;
  29         });
  30 }
  31
  32 function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
  33
  34         try {
  35                 if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
  36                         jQuery("body","html").css({height: "100%", width: "100%"});
  37                         jQuery("html").css("overflow","hidden");
  38                         if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
  39                                 jQuery("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
  40                                 jQuery("#TB_overlay").click(tb_remove);
  41                         }
  42                 }else{//all others
  43                         if(document.getElementById("TB_overlay") === null){
  44                                 jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
  45                                 jQuery("#TB_overlay").click(tb_remove);
  46                         }
  47                 }
  48
  49                 if(tb_detectMacXFF()){
  50                         jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
  51                 }else{
  52                         jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
  53                 }
  54
  55                 if(caption===null){caption="";}
  56                 jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
  57                 jQuery('#TB_load').show();//show loader
  58
  59                 var baseURL;
  60            if(url.indexOf("?")!==-1){ //ff there is a query string involved
  61                         baseURL = url.substr(0, url.indexOf("?"));
  62            }else{
  63                         baseURL = url;
  64            }
  65
  66            var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
  67            var urlType = baseURL.toLowerCase().match(urlString);
  68
  69                 if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
  70
  71                         TB_PrevCaption = "";
  72                         TB_PrevURL = "";
  73                         TB_PrevHTML = "";
  74                         TB_NextCaption = "";
  75                         TB_NextURL = "";
  76                         TB_NextHTML = "";
  77                         TB_imageCount = "";
  78                         TB_FoundURL = false;
  79                         if(imageGroup){
  80                                 TB_TempArray = jQuery("a[@rel="+imageGroup+"]").get();
  81                                 for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
  82                                         var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
  83                                                 if (!(TB_TempArray[TB_Counter].href == url)) {
  84                                                         if (TB_FoundURL) {
  85                                                                 TB_NextCaption = TB_TempArray[TB_Counter].title;
  86                                                                 TB_NextURL = TB_TempArray[TB_Counter].href;
  87                                                                 TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
  88                                                         } else {
  89                                                                 TB_PrevCaption = TB_TempArray[TB_Counter].title;
  90                                                                 TB_PrevURL = TB_TempArray[TB_Counter].href;
  91                                                                 TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Prev</a></span>";
  92                                                         }
  93                                                 } else {
  94                                                         TB_FoundURL = true;
  95                                                         TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);
  96                                                 }
  97                                 }
  98                         }
  99
 100                         imgPreloader = new Image();
 101                         imgPreloader.onload = function(){
 102                         imgPreloader.onload = null;
 103
 104                         // Resizing large images - orginal by Christian Montoya edited by me.
 105                         var pagesize = tb_getPageSize();
 106                         var x = pagesize[0] - 150;
 107                         var y = pagesize[1] - 150;
 108                         var imageWidth = imgPreloader.width;
 109                         var imageHeight = imgPreloader.height;
 110                         if (imageWidth > x) {
 111                                 imageHeight = imageHeight * (x / imageWidth);
 112                                 imageWidth = x;
 113                                 if (imageHeight > y) {
 114                                         imageWidth = imageWidth * (y / imageHeight);
 115                                         imageHeight = y;
 116                                 }
 117                         } else if (imageHeight > y) {
 118                                 imageWidth = imageWidth * (y / imageHeight);
 119                                 imageHeight = y;
 120                                 if (imageWidth > x) {
 121                                         imageHeight = imageHeight * (x / imageWidth);
 122                                         imageWidth = x;
 123                                 }
 124                         }
 125                         // End Resizing
 126
 127                         TB_WIDTH = imageWidth + 30;
 128                         TB_HEIGHT = imageHeight + 60;
 129                         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'><img src='" + tb_closeImage + "' /></a></div>");
 130
 131                         jQuery("#TB_closeWindowButton").click(tb_remove);
 132
 133                         if (!(TB_PrevHTML === "")) {
 134                                 function goPrev(){
 135                                         if(jQuery(document).unbind("click",goPrev)){jQuery(document).unbind("click",goPrev);}
 136                                         jQuery("#TB_window").remove();
 137                                         jQuery("body").append("<div id='TB_window'></div>");
 138                                         tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
 139                                         return false;
 140                                 }
 141                                 jQuery("#TB_prev").click(goPrev);
 142                         }
 143
 144                         if (!(TB_NextHTML === "")) {
 145                                 function goNext(){
 146                                         jQuery("#TB_window").remove();
 147                                         jQuery("body").append("<div id='TB_window'></div>");
 148                                         tb_show(TB_NextCaption, TB_NextURL, imageGroup);
 149                                         return false;
 150                                 }
 151                                 jQuery("#TB_next").click(goNext);
 152
 153                         }
 154
 155                         document.onkeydown = function(e){
 156                                 if (e == null) { // ie
 157                                         keycode = event.keyCode;
 158                                 } else { // mozilla
 159                                         keycode = e.which;
 160                                 }
 161                                 if(keycode == 27){ // close
 162                                         tb_remove();
 163                                 } else if(keycode == 190){ // display previous image
 164                                         if(!(TB_NextHTML == "")){
 165                                                 document.onkeydown = "";
 166                                                 goNext();
 167                                         }
 168                                 } else if(keycode == 188){ // display next image
 169                                         if(!(TB_PrevHTML == "")){
 170                                                 document.onkeydown = "";
 171                                                 goPrev();
 172                                         }
 173                                 }
 174                         };
 175
 176                         tb_position();
 177                         jQuery("#TB_load").remove();
 178                         jQuery("#TB_ImageOff").click(tb_remove);
 179                         jQuery("#TB_window").css({display:"block"}); //for safari using css instead of show
 180                         };
 181
 182                         imgPreloader.src = url;
 183                 }else{//code to show html
 184
 185                         var queryString = url.replace(/^[^\?]+\??/,'');
 186                         var params = tb_parseQuery( queryString );
 187
 188                         TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
 189                         TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
 190                         ajaxContentW = TB_WIDTH - 30;
 191                         ajaxContentH = TB_HEIGHT - 45;
 192
 193                         if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window
 194                                         urlNoQuery = url.split('TB_');
 195                                         jQuery("#TB_iframeContent").remove();
 196                                         if(params['modal'] != "true"){//iframe no modal
 197                                                 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'><img src='" + tb_closeImage + "' /></a></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>");
 198                                         }else{//iframe modal
 199                                         jQuery("#TB_overlay").unbind();
 200                                                 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>");
 201                                         }
 202                         }else{// not an iframe, ajax
 203                                         if(jQuery("#TB_window").css("display") != "block"){
 204                                                 if(params['modal'] != "true"){//ajax 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'><img src='" + tb_closeImage + "' /></a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
 206                                                 }else{//ajax modal
 207                                                 jQuery("#TB_overlay").unbind();
 208                                                 jQuery("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
 209                                                 }
 210                                         }else{//this means the window is already up, we are just loading new content via ajax
 211                                                 jQuery("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
 212                                                 jQuery("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
 213                                                 jQuery("#TB_ajaxContent")[0].scrollTop = 0;
 214                                                 jQuery("#TB_ajaxWindowTitle").html(caption);
 215                                         }
 216                         }
 217
 218                         jQuery("#TB_closeWindowButton").click(tb_remove);
 219
 220                                 if(url.indexOf('TB_inline') != -1){
 221                                         jQuery("#TB_ajaxContent").append(jQuery('#' + params['inlineId']).children());
 222                                         jQuery("#TB_window").unload(function () {
 223                                                 jQuery('#' + params['inlineId']).append( jQuery("#TB_ajaxContent").children() ); // move elements back when you're finished
 224                                         });
 225                                         tb_position();
 226                                         jQuery("#TB_load").remove();
 227                                         jQuery("#TB_window").css({display:"block"});
 228                                 }else if(url.indexOf('TB_iframe') != -1){
 229                                         tb_position();
 230                                         if($.browser.safari){//safari needs help because it will not fire iframe onload
 231                                                 jQuery("#TB_load").remove();
 232                                                 jQuery("#TB_window").css({display:"block"});
 233                                         }
 234                                 }else{
 235                                         jQuery("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
 236                                                 tb_position();
 237                                                 jQuery("#TB_load").remove();
 238                                                 tb_init("#TB_ajaxContent a.thickbox");
 239                                                 jQuery("#TB_window").css({display:"block"});
 240                                         });
 241                                 }
 242
 243                 }
 244
 245                 if(!params['modal']){
 246                         document.onkeyup = function(e){
 247                                 if (e == null) { // ie
 248                                         keycode = event.keyCode;
 249                                 } else { // mozilla
 250                                         keycode = e.which;
 251                                 }
 252                                 if(keycode == 27){ // close
 253                                         tb_remove();
 254                                 }
 255                         };
 256                 }
 257
 258         } catch(e) {
 259                 //nothing here
 260         }
 261 }
 262
 263 //helper functions below
 264 function tb_showIframe(){
 265         jQuery("#TB_load").remove();
 266         jQuery("#TB_window").css({display:"block"});
 267 }
 268
 269 function tb_remove() {
 270         jQuery("#TB_imageOff").unbind("click");
 271         jQuery("#TB_closeWindowButton").unbind("click");
 272         jQuery("#TB_window").fadeOut("fast",function(){jQuery('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
 273         jQuery("#TB_load").remove();
 274         if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
 275                 jQuery("body","html").css({height: "auto", width: "auto"});
 276                 jQuery("html").css("overflow","");
 277         }
 278         document.onkeydown = "";
 279         document.onkeyup = "";
 280         return false;
 281 }
 282
 283 function tb_position() {
 284 jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
 285         if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
 286                 jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
 287         }
 288 }
 289
 290 function tb_parseQuery ( query ) {
 291    var Params = {};
 292    if ( ! query ) {return Params;}// return empty object
 293    var Pairs = query.split(/[;&]/);
 294    for ( var i = 0; i < Pairs.length; i++ ) {
 295       var KeyVal = Pairs[i].split('=');
 296       if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
 297       var key = unescape( KeyVal[0] );
 298       var val = unescape( KeyVal[1] );
 299       val = val.replace(/\+/g, ' ');
 300       Params[key] = val;
 301    }
 302    return Params;
 303 }
 304
 305 function tb_getPageSize(){
 306         var de = document.documentElement;
 307         var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
 308         var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
 309         arrayPageSize = [w,h];
 310         return arrayPageSize;
 311 }
 312
 313 function tb_detectMacXFF() {
 314   var userAgent = navigator.userAgent.toLowerCase();
 315   if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
 316     return true;
 317   }
 318 }
 319
 320