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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  
  12  /*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
  13  
  14  //on page load call tb_init
  15  jQuery(document).ready(function(){
  16      tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
  17      imgLoader = new Image();// preload image
  18      imgLoader.src = tb_pathToImage;
  19  });
  20  
  21  /*
  22   * Add thickbox to href & area elements that have a class of .thickbox.
  23   * Remove the loading indicator when content in an iframe has loaded.
  24   */
  25  function tb_init(domChunk){
  26      jQuery( 'body' )
  27          .on( 'click', domChunk, tb_click )
  28          .on( 'thickbox:iframe:loaded', function() {
  29              jQuery( '#TB_window' ).removeClass( 'thickbox-loading' );
  30          });
  31  }
  32  
  33  function tb_click(){
  34      var t = this.title || this.name || null;
  35      var a = this.href || this.alt;
  36      var g = this.rel || false;
  37      tb_show(t,a,g);
  38      this.blur();
  39      return false;
  40  }
  41  
  42  function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
  43  
  44      var $closeBtn;
  45  
  46      try {
  47          if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
  48              jQuery("body","html").css({height: "100%", width: "100%"});
  49              jQuery("html").css("overflow","hidden");
  50              if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
  51                  jQuery("body").append("<iframe id='TB_HideSelect'>"+thickboxL10n.noiframes+"</iframe><div id='TB_overlay'></div><div id='TB_window' class='thickbox-loading'></div>");
  52                  jQuery("#TB_overlay").click(tb_remove);
  53              }
  54          }else{//all others
  55              if(document.getElementById("TB_overlay") === null){
  56                  jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window' class='thickbox-loading'></div>");
  57                  jQuery("#TB_overlay").click(tb_remove);
  58                  jQuery( 'body' ).addClass( 'modal-open' );
  59              }
  60          }
  61  
  62          if(tb_detectMacXFF()){
  63              jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
  64          }else{
  65              jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
  66          }
  67  
  68          if(caption===null){caption="";}
  69          jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' width='208' /></div>");//add loader to the page
  70          jQuery('#TB_load').show();//show loader
  71  
  72          var baseURL;
  73         if(url.indexOf("?")!==-1){ //ff there is a query string involved
  74              baseURL = url.substr(0, url.indexOf("?"));
  75         }else{
  76                 baseURL = url;
  77         }
  78  
  79         var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
  80         var urlType = baseURL.toLowerCase().match(urlString);
  81  
  82          if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
  83  
  84              TB_PrevCaption = "";
  85              TB_PrevURL = "";
  86              TB_PrevHTML = "";
  87              TB_NextCaption = "";
  88              TB_NextURL = "";
  89              TB_NextHTML = "";
  90              TB_imageCount = "";
  91              TB_FoundURL = false;
  92              if(imageGroup){
  93                  TB_TempArray = jQuery("a[rel="+imageGroup+"]").get();
  94                  for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
  95                      var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
  96                          if (!(TB_TempArray[TB_Counter].href == url)) {
  97                              if (TB_FoundURL) {
  98                                  TB_NextCaption = TB_TempArray[TB_Counter].title;
  99                                  TB_NextURL = TB_TempArray[TB_Counter].href;
 100                                  TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.next+"</a></span>";
 101                              } else {
 102                                  TB_PrevCaption = TB_TempArray[TB_Counter].title;
 103                                  TB_PrevURL = TB_TempArray[TB_Counter].href;
 104                                  TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.prev+"</a></span>";
 105                              }
 106                          } else {
 107                              TB_FoundURL = true;
 108                              TB_imageCount = thickboxL10n.image + ' ' + (TB_Counter + 1) + ' ' + thickboxL10n.of + ' ' + (TB_TempArray.length);
 109                          }
 110                  }
 111              }
 112  
 113              imgPreloader = new Image();
 114              imgPreloader.onload = function(){
 115              imgPreloader.onload = null;
 116  
 117              // Resizing large images - original by Christian Montoya edited by me.
 118              var pagesize = tb_getPageSize();
 119              var x = pagesize[0] - 150;
 120              var y = pagesize[1] - 150;
 121              var imageWidth = imgPreloader.width;
 122              var imageHeight = imgPreloader.height;
 123              if (imageWidth > x) {
 124                  imageHeight = imageHeight * (x / imageWidth);
 125                  imageWidth = x;
 126                  if (imageHeight > y) {
 127                      imageWidth = imageWidth * (y / imageHeight);
 128                      imageHeight = y;
 129                  }
 130              } else if (imageHeight > y) {
 131                  imageWidth = imageWidth * (y / imageHeight);
 132                  imageHeight = y;
 133                  if (imageWidth > x) {
 134                      imageHeight = imageHeight * (x / imageWidth);
 135                      imageWidth = x;
 136                  }
 137              }
 138              // End Resizing
 139  
 140              TB_WIDTH = imageWidth + 30;
 141              TB_HEIGHT = imageHeight + 60;
 142              jQuery("#TB_window").append("<a href='' id='TB_ImageOff'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><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'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div>");
 143  
 144              jQuery("#TB_closeWindowButton").click(tb_remove);
 145  
 146              if (!(TB_PrevHTML === "")) {
 147  				function goPrev(){
 148                      if(jQuery(document).unbind("click",goPrev)){jQuery(document).unbind("click",goPrev);}
 149                      jQuery("#TB_window").remove();
 150                      jQuery("body").append("<div id='TB_window'></div>");
 151                      tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
 152                      return false;
 153                  }
 154                  jQuery("#TB_prev").click(goPrev);
 155              }
 156  
 157              if (!(TB_NextHTML === "")) {
 158  				function goNext(){
 159                      jQuery("#TB_window").remove();
 160                      jQuery("body").append("<div id='TB_window'></div>");
 161                      tb_show(TB_NextCaption, TB_NextURL, imageGroup);
 162                      return false;
 163                  }
 164                  jQuery("#TB_next").click(goNext);
 165  
 166              }
 167  
 168              jQuery(document).bind('keydown.thickbox', function(e){
 169                  if ( e.which == 27 ){ // close
 170                      tb_remove();
 171  
 172                  } else if ( e.which == 190 ){ // display previous image
 173                      if(!(TB_NextHTML == "")){
 174                          jQuery(document).unbind('thickbox');
 175                          goNext();
 176                      }
 177                  } else if ( e.which == 188 ){ // display next image
 178                      if(!(TB_PrevHTML == "")){
 179                          jQuery(document).unbind('thickbox');
 180                          goPrev();
 181                      }
 182                  }
 183                  return false;
 184              });
 185  
 186              tb_position();
 187              jQuery("#TB_load").remove();
 188              jQuery("#TB_ImageOff").click(tb_remove);
 189              jQuery("#TB_window").css({'visibility':'visible'}); //for safari using css instead of show
 190              };
 191  
 192              imgPreloader.src = url;
 193          }else{//code to show html
 194  
 195              var queryString = url.replace(/^[^\?]+\??/,'');
 196              var params = tb_parseQuery( queryString );
 197  
 198              TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no parameters were added to URL
 199              TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no parameters were added to URL
 200              ajaxContentW = TB_WIDTH - 30;
 201              ajaxContentH = TB_HEIGHT - 45;
 202  
 203              if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window
 204                      urlNoQuery = url.split('TB_');
 205                      jQuery("#TB_iframeContent").remove();
 206                      if(params['modal'] != "true"){//iframe no modal
 207                          jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div></div><iframe frameborder='0' hspace='0' allowtransparency='true' 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>");
 208                      }else{//iframe modal
 209                      jQuery("#TB_overlay").unbind();
 210                          jQuery("#TB_window").append("<iframe frameborder='0' hspace='0' allowtransparency='true' 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>");
 211                      }
 212              }else{// not an iframe, ajax
 213                      if(jQuery("#TB_window").css("visibility") != "visible"){
 214                          if(params['modal'] != "true"){//ajax no modal
 215                          jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
 216                          }else{//ajax modal
 217                          jQuery("#TB_overlay").unbind();
 218                          jQuery("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
 219                          }
 220                      }else{//this means the window is already up, we are just loading new content via ajax
 221                          jQuery("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
 222                          jQuery("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
 223                          jQuery("#TB_ajaxContent")[0].scrollTop = 0;
 224                          jQuery("#TB_ajaxWindowTitle").html(caption);
 225                      }
 226              }
 227  
 228              jQuery("#TB_closeWindowButton").click(tb_remove);
 229  
 230                  if(url.indexOf('TB_inline') != -1){
 231                      jQuery("#TB_ajaxContent").append(jQuery('#' + params['inlineId']).children());
 232                      jQuery("#TB_window").bind('tb_unload', function () {
 233                          jQuery('#' + params['inlineId']).append( jQuery("#TB_ajaxContent").children() ); // move elements back when you're finished
 234                      });
 235                      tb_position();
 236                      jQuery("#TB_load").remove();
 237                      jQuery("#TB_window").css({'visibility':'visible'});
 238                  }else if(url.indexOf('TB_iframe') != -1){
 239                      tb_position();
 240                      jQuery("#TB_load").remove();
 241                      jQuery("#TB_window").css({'visibility':'visible'});
 242                  }else{
 243                      var load_url = url;
 244                      load_url += -1 === url.indexOf('?') ? '?' : '&';
 245                      jQuery("#TB_ajaxContent").load(load_url += "random=" + (new Date().getTime()),function(){//to do a post change this load method
 246                          tb_position();
 247                          jQuery("#TB_load").remove();
 248                          tb_init("#TB_ajaxContent a.thickbox");
 249                          jQuery("#TB_window").css({'visibility':'visible'});
 250                      });
 251                  }
 252  
 253          }
 254  
 255          if(!params['modal']){
 256              jQuery(document).bind('keydown.thickbox', function(e){
 257                  if ( e.which == 27 ){ // close
 258                      tb_remove();
 259                      return false;
 260                  }
 261              });
 262          }
 263  
 264          $closeBtn = jQuery( '#TB_closeWindowButton' );
 265          /*
 266           * If the native Close button icon is visible, move focus on the button
 267           * (e.g. in the Network Admin Themes screen).
 268           * In other admin screens is hidden and replaced by a different icon.
 269           */
 270          if ( $closeBtn.find( '.tb-close-icon' ).is( ':visible' ) ) {
 271              $closeBtn.focus();
 272          }
 273  
 274      } catch(e) {
 275          //nothing here
 276      }
 277  }
 278  
 279  //helper functions below
 280  function tb_showIframe(){
 281      jQuery("#TB_load").remove();
 282      jQuery("#TB_window").css({'visibility':'visible'}).trigger( 'thickbox:iframe:loaded' );
 283  }
 284  
 285  function tb_remove() {
 286       jQuery("#TB_imageOff").unbind("click");
 287      jQuery("#TB_closeWindowButton").unbind("click");
 288      jQuery( '#TB_window' ).fadeOut( 'fast', function() {
 289          jQuery( '#TB_window, #TB_overlay, #TB_HideSelect' ).trigger( 'tb_unload' ).unbind().remove();
 290          jQuery( 'body' ).trigger( 'thickbox:removed' );
 291      });
 292      jQuery( 'body' ).removeClass( 'modal-open' );
 293      jQuery("#TB_load").remove();
 294      if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
 295          jQuery("body","html").css({height: "auto", width: "auto"});
 296          jQuery("html").css("overflow","");
 297      }
 298      jQuery(document).unbind('.thickbox');
 299      return false;
 300  }
 301  
 302  function tb_position() {
 303  var isIE6 = typeof document.body.style.maxHeight === "undefined";
 304  jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
 305      if ( ! isIE6 ) { // take away IE6
 306          jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
 307      }
 308  }
 309  
 310  function tb_parseQuery ( query ) {
 311     var Params = {};
 312     if ( ! query ) {return Params;}// return empty object
 313     var Pairs = query.split(/[;&]/);
 314     for ( var i = 0; i < Pairs.length; i++ ) {
 315        var KeyVal = Pairs[i].split('=');
 316        if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
 317        var key = unescape( KeyVal[0] );
 318        var val = unescape( KeyVal[1] );
 319        val = val.replace(/\+/g, ' ');
 320        Params[key] = val;
 321     }
 322     return Params;
 323  }
 324  
 325  function tb_getPageSize(){
 326      var de = document.documentElement;
 327      var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
 328      var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
 329      arrayPageSize = [w,h];
 330      return arrayPageSize;
 331  }
 332  
 333  function tb_detectMacXFF() {
 334    var userAgent = navigator.userAgent.toLowerCase();
 335    if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
 336      return true;
 337    }
 338  }


Generated: Sat Nov 23 20:47:33 2019 Cross-referenced by PHPXref 0.7