/*!
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
 *
 * Update:  [12/14/2010] emmanuel.sammut@travelsoft.fr
 *          - add callback method for ajax mode.
 */

/** ----------------------------------------------------------------
 * CONSTANTS
 */

  var TB_CLOSE_NAME = "Fermer",
      TB_KEY_CLOSE_NAME = "",
      TB_IMAGE_LOADER,
      TB_PATH_TO_IMAGE = "/csvweb/images/ajax-loader-big.gif";


/** ----------------------------------------------------------------
 * INITIALIZED
 */

  /** DOM is ready */
  $(function(){
    // Create preload image
    TB_IMAGE_LOADER = $("<img />", {
      src: TB_PATH_TO_IMAGE
    });
  });


  /**
   * add thickbox to href & area elements that have a class of thickbox.
   *
   * @param {string || DOM element} domChunk
   */
  function tb_init(domChunk){
    $(domChunk).click(function(evt) {
      // Set variables
      var t = this.title || this.name || null,
          a = this.href || this.alt,
          g = this.rel || false;

      // Dont follow event
      evt.preventDefault();

      // Call show method
      tb_show(t, a, g);

      // Removed focus
      this.blur();
    });
  }

  /**
   * function called when the user clicks on a thickbox link.
   *
   * @param {string} caption
   * @param {string} url
   * @param {string || boolean} imageGroup
   * @param {function} callback Call the method when ajax load is comlete. Only on ajax mode.
   */
  function tb_show(caption, url, imageGroup, callback) {
    try {
      //if IE 6
      if (typeof document.body.style.maxHeight === "undefined") {
        $("body","html").css({height: "100%", width: "100%"});
        $("html").css("overflow","hidden");
        if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
          $("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
          $("#TB_overlay").click(tb_remove);
        }

      //all others
      } else {
        if(document.getElementById("TB_overlay") === null){
          $("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
          $("#TB_overlay").click(tb_remove);
        }
      }

      //use png overlay so hide flash
      if (tb_detectMacXFF()) {
        $("#TB_overlay").addClass("TB_overlayMacFFBGHack");

      //use background and opacity
      } else {
        $("#TB_overlay").addClass("TB_overlayBG");
      }

      if (caption === null) {caption="";}
        // add loader to the page and show
        $("<div />", {id: "TB_load"}).append(TB_IMAGE_LOADER).appendTo("body").show();

        var baseURL;

        // FF there is a query string involved
        if (url.indexOf("?") !== -1){
          baseURL = url.substr(0, url.indexOf("?"));
        } else {
          baseURL = url;
        }

       var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
       var urlType = baseURL.toLowerCase().match(urlString);

      // code to show images
      if (urlType == '.jpg' ||
          urlType == '.jpeg' ||
          urlType == '.png' ||
          urlType == '.gif' ||
          urlType == '.bmp') {

        TB_PrevCaption = "";
        TB_PrevURL = "";
        TB_PrevHTML = "";
        TB_NextCaption = "";
        TB_NextURL = "";
        TB_NextHTML = "";
        TB_imageCount = "";
        TB_FoundURL = false;

        if(imageGroup){
          TB_TempArray = $("a[@rel="+imageGroup+"]").get();
          for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
            var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
              if (!(TB_TempArray[TB_Counter].href == url)) {
                if (TB_FoundURL) {
                  TB_NextCaption = TB_TempArray[TB_Counter].title;
                  TB_NextURL = TB_TempArray[TB_Counter].href;
                  TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
                } else {
                  TB_PrevCaption = TB_TempArray[TB_Counter].title;
                  TB_PrevURL = TB_TempArray[TB_Counter].href;
                  TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Prev</a></span>";
                }
              } else {
                TB_FoundURL = true;
                TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);
              }
          }
        }

        imgPreloader = new Image();

        imgPreloader.onload = function(){

          imgPreloader.onload = null;

          // Resizing large images - orginal by Christian Montoya edited by me.
          var pagesize = tb_getPageSize();
          var x = pagesize[0] - 150;
          var y = pagesize[1] - 150;
          var imageWidth = imgPreloader.width;
          var imageHeight = imgPreloader.height;
          if (imageWidth > x) {
            imageHeight = imageHeight * (x / imageWidth);
            imageWidth = x;
            if (imageHeight > y) {
              imageWidth = imageWidth * (y / imageHeight);
              imageHeight = y;
            }
          } else if (imageHeight > y) {
            imageWidth = imageWidth * (y / imageHeight);
            imageHeight = y;
            if (imageWidth > x) {
              imageHeight = imageHeight * (x / imageWidth);
              imageWidth = x;
            }
          }
          // End Resizing

          TB_WIDTH = imageWidth + 30;
          TB_HEIGHT = imageHeight + 60;
          $("#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'>" + TB_CLOSE_NAME + "</a>" + TB_KEY_CLOSE_NAME + "</div>");

          $("#TB_closeWindowButton").click(tb_remove);

          if (!(TB_PrevHTML === "")) {
            function goPrev(){
              if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);}
              $("#TB_window").remove();
              $("body").append("<div id='TB_window'></div>");
              tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
              return false;
            }
            $("#TB_prev").click(goPrev);
          }

          if (!(TB_NextHTML === "")) {
            function goNext(){
              $("#TB_window").remove();
              $("body").append("<div id='TB_window'></div>");
              tb_show(TB_NextCaption, TB_NextURL, imageGroup);
              return false;
            }
            $("#TB_next").click(goNext);
          }

          document.onkeydown = function(e){
            // ie
            if (e === null) {
              keycode = event.keyCode;

            // mozilla
            } else {
              keycode = e.which;
            }

            // close
            if (keycode == 27){
              tb_remove();

            // display previous image
            } else if(keycode == 190){
              if(!(TB_NextHTML === "")){
                document.onkeydown = "";
                goNext();
              }

            // display next image
            } else if(keycode == 188){
              if(!(TB_PrevHTML === "")){
                document.onkeydown = "";
                goPrev();
              }
            }
          };

          tb_position();
          $("#TB_load").remove();
          $("#TB_ImageOff").click(tb_remove);
          //for safari using css instead of show
          $("#TB_window").css({display:"block"});
        };

        imgPreloader.src = url;

      // code to show html
      } else {

        var queryString = url.replace(/^[^\?]+\??/,'');
        var params = tb_parseQuery( queryString );

        var forceShow = params.forceShow == "true";
        //defaults to 630 if no paramaters were added to URL
        TB_WIDTH = (params.width * 1) + 30 || url.replace(/.*&width=([^&]+).*/, '$1') || 630;
        //defaults to 440 if no paramaters were added to URL
        TB_HEIGHT = (params.height * 1) + 40 || url.replace(/.*&height=([^&]+).*/, '$1') || 440;

        var winPagesize = tb_getPageSize();
        if(TB_WIDTH > winPagesize[0]){
          TB_WIDTH = winPagesize[0] - 30;
        }
        if(TB_HEIGHT > winPagesize[1]){
          TB_HEIGHT = winPagesize[1] - 40;
        }
        ajaxContentW = TB_WIDTH - 30;
        ajaxContentH = TB_HEIGHT - 45;

        // either iframe or ajax window
        if (url.indexOf('TB_iframe') != -1) {
          urlNoQuery = url.split('TB_');
          $("#TB_iframeContent").remove();

          var iframeOnload = " onload='tb_showIframe()'";
          if (forceShow) {
            tb_showIframe();
            iframeOnload = "";
          }

          //iframe no modal
          if (params.modal !== "true") {
            $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>" + TB_CLOSE_NAME + "</a>" + TB_KEY_CLOSE_NAME + "</div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+ "'" + iframeOnload + " style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe>");

          //iframe modal
          } else {
          $("#TB_overlay").unbind();
            $("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+ "'" + iframeOnload + " style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
          }

        // not an iframe, ajax
        } else {
          if($("#TB_window").css("display") != "block"){

            //ajax no modal
            if(params.modal !== "true"){
              $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>" + TB_CLOSE_NAME + "</a>" + TB_KEY_CLOSE_NAME + "</div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");

            //ajax modal
            } else {
              $("#TB_overlay").unbind();
              $("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
            }

          //this means the window is already up, we are just loading new content via ajax
          } else {
            $("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
            $("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
            $("#TB_ajaxContent")[0].scrollTop = 0;
            $("#TB_ajaxWindowTitle").html(caption);
          }
        }

        $("#TB_closeWindowButton").click(tb_remove);

        if (url.indexOf('TB_inline') != -1) {
          $("#TB_ajaxContent").append($('#' + params.inlineId).children());
          // move elements back when you're finished
          $("#TB_window").unload(function () {
            $('#' + params.inlineId).append($("#TB_ajaxContent").children());
          });
          tb_position();
          $("#TB_load").remove();
          $("#TB_window").css({display:"block"});

        } else if (url.indexOf('TB_iframe') != -1) {
          tb_position();
          // safari needs help because it will not fire iframe onload
          if ($.browser.safari) {
            $("#TB_load").remove();
            $("#TB_window").css({display:"block"});
          }
        } else {
          // to do a post change this load method
          $("#TB_ajaxContent").load(url , function() {
            tb_position();
            $("#TB_load").remove();
            tb_init("#TB_ajaxContent a.thickbox");
            $("#TB_window").css({display:"block"});
            // call function after load
            if(callback){callback();}

          });
        }
      }

      if(!params.modal){
        document.onkeyup = function(e){
          // ie
          if (e === null) {
            keycode = event.keyCode;

          // mozilla
          } else {
            keycode = e.which;
          }

          // close
          if(keycode == 27){
            tb_remove();
          }
        };
      }

    } catch(e) {
      // nothing here
    }
  }


/** ----------------------------------------------------------------
 * HELPER
 */

  function tb_showIframe(){
    $("#TB_load").remove();
    $("#TB_window").css({display:"block"});
  }

  function tb_remove() {
     $("#TB_imageOff").unbind("click");
    $("#TB_closeWindowButton").unbind("click");
    $("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
    $("#TB_load").remove();
    //if IE 6
    if (typeof document.body.style.maxHeight == "undefined") {
      $("body","html").css({height: "auto", width: "auto"});
      $("html").css("overflow","");
    }
    document.onkeydown = "";
    document.onkeyup = "";
    return false;
  }

  function tb_position() {
    $("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
    // take away IE6
    if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) {
      $("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
    }
  }

  function tb_parseQuery ( query ) {
    var Params = {};
    // return empty object
    if (!query) {
      return Params;
    }
    var Pairs = query.split(/[;&]/);
    for ( var i = 0; i < Pairs.length; i++ ) {
      var KeyVal = Pairs[i].split('=');
      if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
      var key = unescape( KeyVal[0] );
      var val = unescape( KeyVal[1] );
      val = val.replace(/\+/g, ' ');
      Params[key] = val;
    }
    return Params;
  }

  function tb_getPageSize(){
    var de = document.documentElement;
    var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
    var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
    arrayPageSize = [w,h];
    return arrayPageSize;
  }

  function tb_detectMacXFF() {
    var userAgent = navigator.userAgent.toLowerCase();
    if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
      return true;
    }
  }