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
  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 //add thickbox to href & area elements that have a class of .thickbox
  22 function tb_init(domChunk){
  23         jQuery('body').on('click', domChunk, tb_click);
  24 }
  25
  26 function tb_click(){
  27         var t = this.title || this.name || null;
  28         var a = this.href || this.alt;
  29         var g = this.rel || false;
  30         tb_show(t,a,g);
  31         this.blur();
  32         return false;
  33 }
  34
  35 function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
  36
  37         try {
  38                 if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
  39                         jQuery("body","html").css({height: "100%", width: "100%"});
  40                         jQuery("html").css("overflow","hidden");
  41                         if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
  42                                 jQuery("body").append("<iframe id='TB_HideSelect'>"+thickboxL10n.noiframes+"</iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
  43                                 jQuery("#TB_overlay").click(tb_remove);
  44                         }
  45                 }else{//all others
  46                         if(document.getElementById("TB_overlay") === null){
  47                                 jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
  48                                 jQuery("#TB_overlay").click(tb_remove);
  49                         }
  50                 }
  51
  52                 if(tb_detectMacXFF()){
  53                         jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
  54                 }else{
  55                         jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
  56                 }
  57
  58                 if(caption===null){caption="";}
  59                 jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' width='208' /></div>");//add loader to the page
  60                 jQuery('#TB_load').show();//show loader
  61
  62                 var baseURL;
  63            if(url.indexOf("?")!==-1){ //ff there is a query string involved
  64                         baseURL = url.substr(0, url.indexOf("?"));
  65            }else{
  66                         baseURL = url;
  67            }
  68
  69            var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
  70            var urlType = baseURL.toLowerCase().match(urlString);
  71
  72                 if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
  73
  74                         TB_PrevCaption = "";
  75                         TB_PrevURL = "";
  76                         TB_PrevHTML = "";
  77                         TB_NextCaption = "";
  78                         TB_NextURL = "";
  79                         TB_NextHTML = "";
  80                         TB_imageCount = "";
  81                         TB_FoundURL = false;
  82                         if(imageGroup){
  83                                 TB_TempArray = jQuery("a[rel="+imageGroup+"]").get();
  84                                 for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
  85                                         var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
  86                                                 if (!(TB_TempArray[TB_Counter].href == url)) {
  87                                                         if (TB_FoundURL) {
  88                                                                 TB_NextCaption = TB_TempArray[TB_Counter].title;
  89                                                                 TB_NextURL = TB_TempArray[TB_Counter].href;
  90                                                                 TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.next+"</a></span>";
  91                                                         } else {
  92                                                                 TB_PrevCaption = TB_TempArray[TB_Counter].title;
  93                                                                 TB_PrevURL = TB_TempArray[TB_Counter].href;
  94                                                                 TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.prev+"</a></span>";
  95                                                         }
  96                                                 } else {
  97                                                         TB_FoundURL = true;
  98                                                         TB_imageCount = thickboxL10n.image + ' ' + (TB_Counter + 1) + ' ' + thickboxL10n.of + ' ' + (TB_TempArray.length);
  99                                                 }
 100                                 }
 101                         }
 102
 103                         imgPreloader = new Image();
 104                         imgPreloader.onload = function(){
 105                         imgPreloader.onload = null;
 106
 107                         // Resizing large images - orginal by Christian Montoya edited by me.
 108                         var pagesize = tb_getPageSize();
 109                         var x = pagesize[0] - 150;
 110                         var y = pagesize[1] - 150;
 111                         var imageWidth = imgPreloader.width;
 112                         var imageHeight = imgPreloader.height;
 113                         if (imageWidth > x) {
 114                                 imageHeight = imageHeight * (x / imageWidth);
 115                                 imageWidth = x;
 116                                 if (imageHeight > y) {
 117                                         imageWidth = imageWidth * (y / imageHeight);
 118                                         imageHeight = y;
 119                                 }
 120                         } else if (imageHeight > y) {
 121                                 imageWidth = imageWidth * (y / imageHeight);
 122                                 imageHeight = y;
 123                                 if (imageWidth > x) {
 124                                         imageHeight = imageHeight * (x / imageWidth);
 125                                         imageWidth = x;
 126                                 }
 127                         }
 128                         // End Resizing
 129
 130                         TB_WIDTH = imageWidth + 30;
 131                         TB_HEIGHT = imageHeight + 60;
 132                         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+"'><div class='tb-close-icon'></div></a></div>");
 133
 134                         jQuery("#TB_closeWindowButton").click(tb_remove);
 135
 136                         if (!(TB_PrevHTML === "")) {
 137                                 function goPrev(){
 138                                         if(jQuery(document).unbind("click",goPrev)){jQuery(document).unbind("click",goPrev);}
 139                                         jQuery("#TB_window").remove();
 140                                         jQuery("body").append("<div id='TB_window'></div>");
 141                                         tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
 142                                         return false;
 143                                 }
 144                                 jQuery("#TB_prev").click(goPrev);
 145                         }
 146
 147                         if (!(TB_NextHTML === "")) {
 148                                 function goNext(){
 149                                         jQuery("#TB_window").remove();
 150                                         jQuery("body").append("<div id='TB_window'></div>");
 151                                         tb_show(TB_NextCaption, TB_NextURL, imageGroup);
 152                                         return false;
 153                                 }
 154                                 jQuery("#TB_next").click(goNext);
 155
 156                         }
 157
 158                         jQuery(document).bind('keydown.thickbox', function(e){
 159                                 if ( e.which == 27 ){ // close
 160                                         tb_remove();
 161
 162                                 } else if ( e.which == 190 ){ // display previous image
 163                                         if(!(TB_NextHTML == "")){
 164                                                 jQuery(document).unbind('thickbox');
 165                                                 goNext();
 166                                         }
 167                                 } else if ( e.which == 188 ){ // display next image
 168                                         if(!(TB_PrevHTML == "")){
 169                                                 jQuery(document).unbind('thickbox');
 170                                                 goPrev();
 171                                         }
 172                                 }
 173                                 return false;
 174                         });
 175
 176                         tb_position();
 177                         jQuery("#TB_load").remove();
 178                         jQuery("#TB_ImageOff").click(tb_remove);
 179                         jQuery("#TB_window").css({'visibility':'visible'}); //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='"+thickboxL10n.close+"'><div class='tb-close-icon'></div></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>");
 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;'>"+thickboxL10n.noiframes+"</iframe>");
 201                                         }
 202                         }else{// not an iframe, ajax
 203                                         if(jQuery("#TB_window").css("visibility") != "visible"){
 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'><div class='tb-close-icon'></div></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").bind('tb_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({'visibility':'visible'});
 228                                 }else if(url.indexOf('TB_iframe') != -1){
 229                                         tb_position();
 230                                         jQuery("#TB_load").remove();
 231                                         jQuery("#TB_window").css({'visibility':'visible'});
 232                                 }else{
 233                                         jQuery("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
 234                                                 tb_position();
 235                                                 jQuery("#TB_load").remove();
 236                                                 tb_init("#TB_ajaxContent a.thickbox");
 237                                                 jQuery("#TB_window").css({'visibility':'visible'});
 238                                         });
 239                                 }
 240
 241                 }
 242
 243                 if(!params['modal']){
 244                         jQuery(document).bind('keydown.thickbox', function(e){
 245                                 if ( e.which == 27 ){ // close
 246                                         tb_remove();
 247                                         return false;
 248                                 }
 249                         });
 250                 }
 251
 252         } catch(e) {
 253                 //nothing here
 254         }
 255 }
 256
 257 //helper functions below
 258 function tb_showIframe(){
 259         jQuery("#TB_load").remove();
 260         jQuery("#TB_window").css({'visibility':'visible'});
 261 }
 262
 263 function tb_remove() {
 264         jQuery("#TB_imageOff").unbind("click");
 265         jQuery("#TB_closeWindowButton").unbind("click");
 266         jQuery("#TB_window").fadeOut("fast",function(){jQuery('#TB_window,#TB_overlay,#TB_HideSelect').trigger("tb_unload").unbind().remove();});
 267         jQuery("#TB_load").remove();
 268         if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
 269                 jQuery("body","html").css({height: "auto", width: "auto"});
 270                 jQuery("html").css("overflow","");
 271         }
 272         jQuery(document).unbind('.thickbox');
 273         return false;
 274 }
 275
 276 function tb_position() {
 277 var isIE6 = typeof document.body.style.maxHeight === "undefined";
 278 jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
 279         if ( ! isIE6 ) { // take away IE6
 280                 jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
 281         }
 282 }
 283
 284 function tb_parseQuery ( query ) {
 285    var Params = {};
 286    if ( ! query ) {return Params;}// return empty object
 287    var Pairs = query.split(/[;&]/);
 288    for ( var i = 0; i < Pairs.length; i++ ) {
 289       var KeyVal = Pairs[i].split('=');
 290       if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
 291       var key = unescape( KeyVal[0] );
 292       var val = unescape( KeyVal[1] );
 293       val = val.replace(/\+/g, ' ');
 294       Params[key] = val;
 295    }
 296    return Params;
 297 }
 298
 299 function tb_getPageSize(){
 300         var de = document.documentElement;
 301         var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
 302         var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
 303         arrayPageSize = [w,h];
 304         return arrayPageSize;
 305 }
 306
 307 function tb_detectMacXFF() {
 308   var userAgent = navigator.userAgent.toLowerCase();
 309   if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
 310     return true;
 311   }
 312 }