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/wp-includes/js/thickbox/ -> thickbox.js (source)

   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  if ( typeof tb_pathToImage != 'string' ) {
   9      var tb_pathToImage = thickboxL10n.loadingAnimation;
  10  }
  11  if ( typeof tb_closeImage != 'string' ) {
  12      var tb_closeImage = thickboxL10n.closeImage;
  13  }
  14  
  15  /*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
  16  
  17  //on page load call tb_init
  18  jQuery(document).ready(function(){
  19      tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
  20      imgLoader = new Image();// preload image
  21      imgLoader.src = tb_pathToImage;
  22  });
  23  
  24  //add thickbox to href & area elements that have a class of .thickbox
  25  function tb_init(domChunk){
  26      jQuery(domChunk).live('click', tb_click);
  27  }
  28  
  29  function tb_click(){
  30      var t = this.title || this.name || null;
  31      var a = this.href || this.alt;
  32      var g = this.rel || false;
  33      tb_show(t,a,g);
  34      this.blur();
  35      return false;
  36  }
  37  
  38  function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
  39  
  40      try {
  41          if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
  42              jQuery("body","html").css({height: "100%", width: "100%"});
  43              jQuery("html").css("overflow","hidden");
  44              if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
  45                  jQuery("body").append("<iframe id='TB_HideSelect'>"+thickboxL10n.noiframes+"</iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
  46                  jQuery("#TB_overlay").click(tb_remove);
  47              }
  48          }else{//all others
  49              if(document.getElementById("TB_overlay") === null){
  50                  jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
  51                  jQuery("#TB_overlay").click(tb_remove);
  52              }
  53          }
  54  
  55          if(tb_detectMacXFF()){
  56              jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
  57          }else{
  58              jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
  59          }
  60  
  61          if(caption===null){caption="";}
  62          jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
  63          jQuery('#TB_load').show();//show loader
  64  
  65          var baseURL;
  66         if(url.indexOf("?")!==-1){ //ff there is a query string involved
  67              baseURL = url.substr(0, url.indexOf("?"));
  68         }else{
  69                 baseURL = url;
  70         }
  71  
  72         var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
  73         var urlType = baseURL.toLowerCase().match(urlString);
  74  
  75          if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
  76  
  77              TB_PrevCaption = "";
  78              TB_PrevURL = "";
  79              TB_PrevHTML = "";
  80              TB_NextCaption = "";
  81              TB_NextURL = "";
  82              TB_NextHTML = "";
  83              TB_imageCount = "";
  84              TB_FoundURL = false;
  85              if(imageGroup){
  86                  TB_TempArray = jQuery("a[rel="+imageGroup+"]").get();
  87                  for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
  88                      var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
  89                          if (!(TB_TempArray[TB_Counter].href == url)) {
  90                              if (TB_FoundURL) {
  91                                  TB_NextCaption = TB_TempArray[TB_Counter].title;
  92                                  TB_NextURL = TB_TempArray[TB_Counter].href;
  93                                  TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.next+"</a></span>";
  94                              } else {
  95                                  TB_PrevCaption = TB_TempArray[TB_Counter].title;
  96                                  TB_PrevURL = TB_TempArray[TB_Counter].href;
  97                                  TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.prev+"</a></span>";
  98                              }
  99                          } else {
 100                              TB_FoundURL = true;
 101                              TB_imageCount = thickboxL10n.image + ' ' + (TB_Counter + 1) + ' ' + thickboxL10n.of + ' ' + (TB_TempArray.length);
 102                          }
 103                  }
 104              }
 105  
 106              imgPreloader = new Image();
 107              imgPreloader.onload = function(){
 108              imgPreloader.onload = null;
 109  
 110              // Resizing large images - orginal by Christian Montoya edited by me.
 111              var pagesize = tb_getPageSize();
 112              var x = pagesize[0] - 150;
 113              var y = pagesize[1] - 150;
 114              var imageWidth = imgPreloader.width;
 115              var imageHeight = imgPreloader.height;
 116              if (imageWidth > x) {
 117                  imageHeight = imageHeight * (x / imageWidth);
 118                  imageWidth = x;
 119                  if (imageHeight > y) {
 120                      imageWidth = imageWidth * (y / imageHeight);
 121                      imageHeight = y;
 122                  }
 123              } else if (imageHeight > y) {
 124                  imageWidth = imageWidth * (y / imageHeight);
 125                  imageHeight = y;
 126                  if (imageWidth > x) {
 127                      imageHeight = imageHeight * (x / imageWidth);
 128                      imageWidth = x;
 129                  }
 130              }
 131              // End Resizing
 132  
 133              TB_WIDTH = imageWidth + 30;
 134              TB_HEIGHT = imageHeight + 60;
 135              jQuery("#TB_window").append("<a href='' id='TB_ImageOff' title='"+thickboxL10n.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='"+thickboxL10n.close+"'><img src='" + tb_closeImage + "' /></a></div>");
 136  
 137              jQuery("#TB_closeWindowButton").click(tb_remove);
 138  
 139              if (!(TB_PrevHTML === "")) {
 140  				function goPrev(){
 141                      if(jQuery(document).unbind("click",goPrev)){jQuery(document).unbind("click",goPrev);}
 142                      jQuery("#TB_window").remove();
 143                      jQuery("body").append("<div id='TB_window'></div>");
 144                      tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
 145                      return false;
 146                  }
 147                  jQuery("#TB_prev").click(goPrev);
 148              }
 149  
 150              if (!(TB_NextHTML === "")) {
 151  				function goNext(){
 152                      jQuery("#TB_window").remove();
 153                      jQuery("body").append("<div id='TB_window'></div>");
 154                      tb_show(TB_NextCaption, TB_NextURL, imageGroup);
 155                      return false;
 156                  }
 157                  jQuery("#TB_next").click(goNext);
 158  
 159              }
 160  
 161              jQuery(document).bind('keydown.thickbox', function(e){
 162                  e.stopImmediatePropagation();
 163  
 164                  if ( e.which == 27 ){ // close
 165                      if ( ! jQuery(document).triggerHandler( 'wp_CloseOnEscape', [{ event: e, what: 'thickbox', cb: tb_remove }] ) )
 166                          tb_remove();
 167  
 168                  } else if ( e.which == 190 ){ // display previous image
 169                      if(!(TB_NextHTML == "")){
 170                          jQuery(document).unbind('thickbox');
 171                          goNext();
 172                      }
 173                  } else if ( e.which == 188 ){ // display next image
 174                      if(!(TB_PrevHTML == "")){
 175                          jQuery(document).unbind('thickbox');
 176                          goPrev();
 177                      }
 178                  }
 179                  return false;
 180              });
 181  
 182              tb_position();
 183              jQuery("#TB_load").remove();
 184              jQuery("#TB_ImageOff").click(tb_remove);
 185              jQuery("#TB_window").css({'visibility':'visible'}); //for safari using css instead of show
 186              };
 187  
 188              imgPreloader.src = url;
 189          }else{//code to show html
 190  
 191              var queryString = url.replace(/^[^\?]+\??/,'');
 192              var params = tb_parseQuery( queryString );
 193  
 194              TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
 195              TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
 196              ajaxContentW = TB_WIDTH - 30;
 197              ajaxContentH = TB_HEIGHT - 45;
 198  
 199              if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window
 200                      urlNoQuery = url.split('TB_');
 201                      jQuery("#TB_iframeContent").remove();
 202                      if(params['modal'] != "true"){//iframe no modal
 203                          jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='"+thickboxL10n.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;' >"+thickboxL10n.noiframes+"</iframe>");
 204                      }else{//iframe modal
 205                      jQuery("#TB_overlay").unbind();
 206                          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;'>"+thickboxL10n.noiframes+"</iframe>");
 207                      }
 208              }else{// not an iframe, ajax
 209                      if(jQuery("#TB_window").css("visibility") != "visible"){
 210                          if(params['modal'] != "true"){//ajax no modal
 211                          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>");
 212                          }else{//ajax modal
 213                          jQuery("#TB_overlay").unbind();
 214                          jQuery("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
 215                          }
 216                      }else{//this means the window is already up, we are just loading new content via ajax
 217                          jQuery("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
 218                          jQuery("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
 219                          jQuery("#TB_ajaxContent")[0].scrollTop = 0;
 220                          jQuery("#TB_ajaxWindowTitle").html(caption);
 221                      }
 222              }
 223  
 224              jQuery("#TB_closeWindowButton").click(tb_remove);
 225  
 226                  if(url.indexOf('TB_inline') != -1){
 227                      jQuery("#TB_ajaxContent").append(jQuery('#' + params['inlineId']).children());
 228                      jQuery("#TB_window").bind('tb_unload', function () {
 229                          jQuery('#' + params['inlineId']).append( jQuery("#TB_ajaxContent").children() ); // move elements back when you're finished
 230                      });
 231                      tb_position();
 232                      jQuery("#TB_load").remove();
 233                      jQuery("#TB_window").css({'visibility':'visible'});
 234                  }else if(url.indexOf('TB_iframe') != -1){
 235                      tb_position();
 236                      if(jQuery.browser.safari){//safari needs help because it will not fire iframe onload
 237                          jQuery("#TB_load").remove();
 238                          jQuery("#TB_window").css({'visibility':'visible'});
 239                      }
 240                  }else{
 241                      jQuery("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
 242                          tb_position();
 243                          jQuery("#TB_load").remove();
 244                          tb_init("#TB_ajaxContent a.thickbox");
 245                          jQuery("#TB_window").css({'visibility':'visible'});
 246                      });
 247                  }
 248  
 249          }
 250  
 251          if(!params['modal']){
 252              jQuery(document).bind('keyup.thickbox', function(e){
 253  
 254                  if ( e.which == 27 ){ // close
 255                      e.stopImmediatePropagation();
 256                      if ( ! jQuery(document).triggerHandler( 'wp_CloseOnEscape', [{ event: e, what: 'thickbox', cb: tb_remove }] ) )
 257                          tb_remove();
 258  
 259                      return false;
 260                  }
 261              });
 262          }
 263  
 264      } catch(e) {
 265          //nothing here
 266      }
 267  }
 268  
 269  //helper functions below
 270  function tb_showIframe(){
 271      jQuery("#TB_load").remove();
 272      jQuery("#TB_window").css({'visibility':'visible'});
 273  }
 274  
 275  function tb_remove() {
 276       jQuery("#TB_imageOff").unbind("click");
 277      jQuery("#TB_closeWindowButton").unbind("click");
 278      jQuery("#TB_window").fadeOut("fast",function(){jQuery('#TB_window,#TB_overlay,#TB_HideSelect').trigger("tb_unload").unbind().remove();});
 279      jQuery("#TB_load").remove();
 280      if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
 281          jQuery("body","html").css({height: "auto", width: "auto"});
 282          jQuery("html").css("overflow","");
 283      }
 284      jQuery(document).unbind('.thickbox');
 285      return false;
 286  }
 287  
 288  function tb_position() {
 289  var isIE6 = typeof document.body.style.maxHeight === "undefined";
 290  jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
 291      if ( ! isIE6 ) { // take away IE6
 292          jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
 293      }
 294  }
 295  
 296  function tb_parseQuery ( query ) {
 297     var Params = {};
 298     if ( ! query ) {return Params;}// return empty object
 299     var Pairs = query.split(/[;&]/);
 300     for ( var i = 0; i < Pairs.length; i++ ) {
 301        var KeyVal = Pairs[i].split('=');
 302        if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
 303        var key = unescape( KeyVal[0] );
 304        var val = unescape( KeyVal[1] );
 305        val = val.replace(/\+/g, ' ');
 306        Params[key] = val;
 307     }
 308     return Params;
 309  }
 310  
 311  function tb_getPageSize(){
 312      var de = document.documentElement;
 313      var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
 314      var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
 315      arrayPageSize = [w,h];
 316      return arrayPageSize;
 317  }
 318  
 319  function tb_detectMacXFF() {
 320    var userAgent = navigator.userAgent.toLowerCase();
 321    if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
 322      return true;
 323    }
 324  }


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