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Text File  |  2011-03-30  |  12KB  |  320 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 = "images/lightbox/loading.gif";
  9.  
  10. /*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
  11.  
  12. //on page load call tb_init
  13. $(document).ready(function(){   
  14.     tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
  15.     imgLoader = new Image();// preload image
  16.     imgLoader.src = tb_pathToImage;
  17. });
  18.  
  19. //add thickbox to href & area elements that have a class of .thickbox
  20. function tb_init(domChunk){
  21.     $(domChunk).click(function(){
  22.     var t = this.title || this.name || null;
  23.     var a = this.href || this.alt;
  24.     var g = this.rel || false;
  25.     tb_show(t,a,g);
  26.     this.blur();
  27.     return false;
  28.     });
  29. }
  30.  
  31. function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
  32.  
  33.     try {
  34.         if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
  35.             $("body","html").css({height: "100%", width: "100%"});
  36.             $("html").css("overflow","hidden");
  37.             if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
  38.                 $("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
  39.                 $("#TB_overlay").click(tb_remove);
  40.             }
  41.         }else{//all others
  42.             if(document.getElementById("TB_overlay") === null){
  43.                 $("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
  44.                 $("#TB_overlay").click(tb_remove);
  45.             }
  46.         }
  47.         
  48.         if(tb_detectMacXFF()){
  49.             $("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
  50.         }else{
  51.             $("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
  52.         }
  53.         
  54.         if(caption===null){caption="";}
  55.         $("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
  56.         $('#TB_load').show();//show loader
  57.         
  58.         var baseURL;
  59.        if(url.indexOf("?")!==-1){ //ff there is a query string involved
  60.             baseURL = url.substr(0, url.indexOf("?"));
  61.        }else{ 
  62.                baseURL = url;
  63.        }
  64.        
  65.        var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
  66.        var urlType = baseURL.toLowerCase().match(urlString);
  67.  
  68.         if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
  69.                 
  70.             TB_PrevCaption = "";
  71.             TB_PrevURL = "";
  72.             TB_PrevHTML = "";
  73.             TB_NextCaption = "";
  74.             TB_NextURL = "";
  75.             TB_NextHTML = "";
  76.             TB_imageCount = "";
  77.             TB_FoundURL = false;
  78.             if(imageGroup){
  79.                 TB_TempArray = $("a[@rel="+imageGroup+"]").get();
  80.                 for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
  81.                     var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
  82.                         if (!(TB_TempArray[TB_Counter].href == url)) {                        
  83.                             if (TB_FoundURL) {
  84.                                 TB_NextCaption = TB_TempArray[TB_Counter].title;
  85.                                 TB_NextURL = TB_TempArray[TB_Counter].href;
  86.                                 TB_NextHTML = "<span id='TB_next'>  <a href='#'>Next ></a></span>";
  87.                             } else {
  88.                                 TB_PrevCaption = TB_TempArray[TB_Counter].title;
  89.                                 TB_PrevURL = TB_TempArray[TB_Counter].href;
  90.                                 TB_PrevHTML = "<span id='TB_prev'>  <a href='#'>< Prev</a></span>";
  91.                             }
  92.                         } else {
  93.                             TB_FoundURL = true;
  94.                             TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);                                            
  95.                         }
  96.                 }
  97.             }
  98.  
  99.             imgPreloader = new Image();
  100.             imgPreloader.onload = function(){        
  101.             imgPreloader.onload = null;
  102.                 
  103.             // Resizing large images - orginal by Christian Montoya edited by me.
  104.             var pagesize = tb_getPageSize();
  105.             var x = pagesize[0] - 150;
  106.             var y = pagesize[1] - 150;
  107.             var imageWidth = imgPreloader.width;
  108.             var imageHeight = imgPreloader.height;
  109.             if (imageWidth > x) {
  110.                 imageHeight = imageHeight * (x / imageWidth); 
  111.                 imageWidth = x; 
  112.                 if (imageHeight > y) { 
  113.                     imageWidth = imageWidth * (y / imageHeight); 
  114.                     imageHeight = y; 
  115.                 }
  116.             } else if (imageHeight > y) { 
  117.                 imageWidth = imageWidth * (y / imageHeight); 
  118.                 imageHeight = y; 
  119.                 if (imageWidth > x) { 
  120.                     imageHeight = imageHeight * (x / imageWidth); 
  121.                     imageWidth = x;
  122.                 }
  123.             }
  124.             // End Resizing
  125.             
  126.             TB_WIDTH = imageWidth + 30;
  127.             TB_HEIGHT = imageHeight + 60;
  128.             $("#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'>close</a> or Esc Key</div>");         
  129.             
  130.             $("#TB_closeWindowButton").click(tb_remove);
  131.             
  132.             if (!(TB_PrevHTML === "")) {
  133.                 function goPrev(){
  134.                     if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);}
  135.                     $("#TB_window").remove();
  136.                     $("body").append("<div id='TB_window'></div>");
  137.                     tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
  138.                     return false;    
  139.                 }
  140.                 $("#TB_prev").click(goPrev);
  141.             }
  142.             
  143.             if (!(TB_NextHTML === "")) {        
  144.                 function goNext(){
  145.                     $("#TB_window").remove();
  146.                     $("body").append("<div id='TB_window'></div>");
  147.                     tb_show(TB_NextCaption, TB_NextURL, imageGroup);                
  148.                     return false;    
  149.                 }
  150.                 $("#TB_next").click(goNext);
  151.                 
  152.             }
  153.  
  154.             document.onkeydown = function(e){     
  155.                 if (e == null) { // ie
  156.                     keycode = event.keyCode;
  157.                 } else { // mozilla
  158.                     keycode = e.which;
  159.                 }
  160.                 if(keycode == 27){ // close
  161.                     tb_remove();
  162.                 } else if(keycode == 190){ // display previous image
  163.                     if(!(TB_NextHTML == "")){
  164.                         document.onkeydown = "";
  165.                         goNext();
  166.                     }
  167.                 } else if(keycode == 188){ // display next image
  168.                     if(!(TB_PrevHTML == "")){
  169.                         document.onkeydown = "";
  170.                         goPrev();
  171.                     }
  172.                 }    
  173.             };
  174.             
  175.             tb_position();
  176.             $("#TB_load").remove();
  177.             $("#TB_ImageOff").click(tb_remove);
  178.             $("#TB_window").css({display:"block"}); //for safari using css instead of show
  179.             };
  180.             
  181.             imgPreloader.src = url;
  182.         }else{//code to show html
  183.             
  184.             var queryString = url.replace(/^[^\?]+\??/,'');
  185.             var params = tb_parseQuery( queryString );
  186.  
  187.             TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
  188.             TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
  189.             ajaxContentW = TB_WIDTH - 30;
  190.             ajaxContentH = TB_HEIGHT - 45;
  191.             
  192.             if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window        
  193.                     urlNoQuery = url.split('TB_');
  194.                     $("#TB_iframeContent").remove();
  195.                     if(params['modal'] != "true"){//iframe no modal
  196.                         $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</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>");
  197.                     }else{//iframe modal
  198.                     $("#TB_overlay").unbind();
  199.                         $("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
  200.                     }
  201.             }else{// not an iframe, ajax
  202.                     if($("#TB_window").css("display") != "block"){
  203.                         if(params['modal'] != "true"){//ajax no modal
  204.                         $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
  205.                         }else{//ajax modal
  206.                         $("#TB_overlay").unbind();
  207.                         $("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");    
  208.                         }
  209.                     }else{//this means the window is already up, we are just loading new content via ajax
  210.                         $("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
  211.                         $("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
  212.                         $("#TB_ajaxContent")[0].scrollTop = 0;
  213.                         $("#TB_ajaxWindowTitle").html(caption);
  214.                     }
  215.             }
  216.                     
  217.             $("#TB_closeWindowButton").click(tb_remove);
  218.             
  219.                 if(url.indexOf('TB_inline') != -1){    
  220.                     $("#TB_ajaxContent").append($('#' + params['inlineId']).children());
  221.                     $("#TB_window").unload(function () {
  222.                         $('#' + params['inlineId']).append( $("#TB_ajaxContent").children() ); // move elements back when you're finished
  223.                     });
  224.                     tb_position();
  225.                     $("#TB_load").remove();
  226.                     $("#TB_window").css({display:"block"}); 
  227.                 }else if(url.indexOf('TB_iframe') != -1){
  228.                     tb_position();
  229.                     if($.browser.safari){//safari needs help because it will not fire iframe onload
  230.                         $("#TB_load").remove();
  231.                         $("#TB_window").css({display:"block"});
  232.                     }
  233.                 }else{
  234.                     $("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
  235.                         tb_position();
  236.                         $("#TB_load").remove();
  237.                         tb_init("#TB_ajaxContent a.thickbox");
  238.                         $("#TB_window").css({display:"block"});
  239.                     });
  240.                 }
  241.             
  242.         }
  243.  
  244.         if(!params['modal']){
  245.             document.onkeyup = function(e){     
  246.                 if (e == null) { // ie
  247.                     keycode = event.keyCode;
  248.                 } else { // mozilla
  249.                     keycode = e.which;
  250.                 }
  251.                 if(keycode == 27){ // close
  252.                     tb_remove();
  253.                 }    
  254.             };
  255.         }
  256.         
  257.     } catch(e) {
  258.         //nothing here
  259.     }
  260. }
  261.  
  262. //helper functions below
  263. function tb_showIframe(){
  264.     $("#TB_load").remove();
  265.     $("#TB_window").css({display:"block"});
  266. }
  267.  
  268. function tb_remove() {
  269.      $("#TB_imageOff").unbind("click");
  270.     $("#TB_closeWindowButton").unbind("click");
  271.     $("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
  272.     $("#TB_load").remove();
  273.     if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
  274.         $("body","html").css({height: "auto", width: "auto"});
  275.         $("html").css("overflow","");
  276.     }
  277.     document.onkeydown = "";
  278.     document.onkeyup = "";
  279.     return false;
  280. }
  281.  
  282. function tb_position() {
  283. $("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
  284.     if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
  285.         $("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
  286.     }
  287. }
  288.  
  289. function tb_parseQuery ( query ) {
  290.    var Params = {};
  291.    if ( ! query ) {return Params;}// return empty object
  292.    var Pairs = query.split(/[;&]/);
  293.    for ( var i = 0; i < Pairs.length; i++ ) {
  294.       var KeyVal = Pairs[i].split('=');
  295.       if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
  296.       var key = unescape( KeyVal[0] );
  297.       var val = unescape( KeyVal[1] );
  298.       val = val.replace(/\+/g, ' ');
  299.       Params[key] = val;
  300.    }
  301.    return Params;
  302. }
  303.  
  304. function tb_getPageSize(){
  305.     var de = document.documentElement;
  306.     var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
  307.     var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
  308.     arrayPageSize = [w,h];
  309.     return arrayPageSize;
  310. }
  311.  
  312. function tb_detectMacXFF() {
  313.   var userAgent = navigator.userAgent.toLowerCase();
  314.   if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
  315.     return true;
  316.   }
  317. }
  318.  
  319.  
  320.