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JavaScript  |  2008-03-16  |  11.8 KB  |  321 lines
  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'>  <a href='#'>Next ></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'>  <a href='#'>< 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.  
  321.