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 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({display:"block"}); //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("display") != "block"){
 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").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({display:"block"});
 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({display:"block"});
 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({display:"block"});
 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({display:"block"});
 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("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 }