/*
 * 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
*/

(function() {     
	var TB_WIDTH, TB_HEIGHT;
      
	var tb_pathToImage = "/web/images/loading.gif";
	//on page load call tb_init
	$(document).ready(function(){   
	  tb_init('a.thickbox');//pass where to apply thickbox
	  imgLoader = new Image();// preload image
	  imgLoader.src = tb_pathToImage;
	});
	
	//add thickbox to href & area elements that have a class of .thickbox
	function tb_init(domChunk) {	
	  $(domChunk).click(function() {	
		  var t = this.title || this.name || null;
		  var a = this.href || this.alt;
		  var g = this.rel || false;
		  tb_show(t,a,g);
		  this.blur();
		  return false;
	  });
	}
	
	function tb_init_element(aobj){
    aobj.onclick = function() {      
      var t = this.title || this.name || null;
      var a = this.href || this.alt;
      var g = this.rel || false;
      tb_show(t,a,g);
      this.blur();
      return false;
    }
  }
	
	function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link	 
	  try {
	    if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
//	      $("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("<div id='TB_overlay'></div><div id='TB_window'></div>");
	        $("#TB_overlay").click(tb_remove);
	      }
	    }else{//all others
	      if(document.getElementById("TB_overlay") === null){
	        $("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
	        $("#TB_overlay").click(tb_remove);
	      }
	    }
	    
	    if(tb_detectMacXFF()){
	      $("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
	    }else{
	      $("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
	    }
	    
	    if(caption===null){caption="";}
	    $("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
	    $('#TB_load').show();//show loader
	    var baseURL;
	    if(url.indexOf("?")!==-1){ //ff there is a query string involved
	      baseURL = url.substr(0, url.indexOf("?"));
	    } else { 
	      baseURL = url;
	    }
	    var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
	    var urlType = baseURL.toLowerCase().match(urlString);
	
	    if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
	        
        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 = "<div id='TB_next'><a href='#'><img src='/web/images/arrow_right.png' alt='arrow'/></a></div>";
                } else {
                  TB_PrevCaption = TB_TempArray[TB_Counter].title;
                  TB_PrevURL = TB_TempArray[TB_Counter].href;
                  TB_PrevHTML = "<div id='TB_prev'><a href='#'><img src='/web/images/arrow_left.png' alt='arrow'/></a></div>";
                }
              } else {
                TB_FoundURL = true;
                TB_imageCount = "";
                //"<div id='TB_logo'><img src='/web/images/thickbox_logo.png' alt='arrow'/></div>";
                //"Фото " + (TB_Counter + 1) +" из "+ (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] - 90;
        var y = pagesize[1] - 90;
        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 + 14;
        TB_HEIGHT = imageHeight - 50;
        
        var htmlToAppend = "<div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='закрыть'><img src='/web/images/thickbox_close.png'></a></div><a href='' id='TB_ImageOff' title='закрыть'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption;
        
        if (TB_PrevHTML != "" || TB_NextHTML != "") {
          htmlToAppend = htmlToAppend + "<div id='TB_secondLine'>" + TB_PrevHTML + TB_imageCount  + TB_NextHTML + "<div class='clear'></div></div>"; 
        }
                
        htmlToAppend = htmlToAppend + "</div>"
        
        
        $("#TB_window").html("").append(htmlToAppend);    
        if (!caption && !imageGroup) {
        	$("#TB_caption").hide();
        	$("#TB_Image").css({marginBottom:"10px"});
        }
        $("#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){   
          if (e == null) { // ie
            keycode = event.keyCode;
          } else { // mozilla
            keycode = e.which;
          }          
          if(keycode == 27){ // close
            tb_remove();
          } else if(keycode == 190){ // display previous image
            if(!(TB_NextHTML == "")){
              document.onkeydown = "";
              goNext();
            }
          } else if(keycode == 188){ // display next image
            if(!(TB_PrevHTML == "")){
              document.onkeydown = "";
              goPrev();
            }
          } 
        };
        
        tb_position();
        $(window).resize(function() {
          tb_position(caption);
        });
        $("#TB_load").remove();
        $("#TB_ImageOff").click(tb_remove);
        $("#TB_window").css({display:"block",background:"#fff"}); //for safari using css instead of show
        };
        
        imgPreloader.src = url;
	    } else {//code to show html
	      
	      var queryString = url.replace(/^[^\?]+\??/,'');
	      var params = tb_parseQuery( queryString );

        TB_WIDTH = (params['width']*1); // 
        TB_HEIGHT = (params['height']*1) + 13 || 'auto'//

	      if(url.indexOf('TB_iframe') != -1) {// either iframe or ajax window    
          urlNoQuery = url.split('TB_');
          $("#TB_iframeContent").remove();
          if(params['modal'] != "true") {//iframe no modal
            $("#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>");
          } else{//iframe modal
            $("#TB_overlay").unbind();
            $("#TB_window").append("");
          }
	      } else {// not an iframe, ajax
          if($("#TB_window").css("display") != "block"){
          	
          	$("#TB_overlay").unbind();
          	var html = [];
          	
          	html[html.length] = "<div id='TB_header'>";          	
          	html[html.length] = "<div class='borderTop'>";
            html[html.length] = "<b class='xtop'><b class='xb1 borderTopBottomColor'></b><b class='xb2 borderColor bgrColor'></b><b class='xb3 borderColor bgrColor'></b><b class='xb4 borderColor bgrColor'></b></b>";
            html[html.length] = "</div>";            
            html[html.length] = "<div id='TB_title'>";      	        	
          	html[html.length] = "<div id='TB_ajaxWindowTitle'></div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'><img src='/public/images/close-btn.gif'></a></div>";
          	html[html.length] = "</div>";          	
          	html[html.length] = "</div>";
            html[html.length] = "<div id='TB_center'>";
            html[html.length] = "<div id='TB_centerContent' style='height:auto;'><div id='TB_ajaxContent'></div></div>";          	
          	html[html.length] = "</div>";
          	
          	html[html.length] = "<div id='TB_footer'>";          	
          	html[html.length] = "<div class='borderBottom'>";
            html[html.length] = "<b class='xbottom'><b class='xb4 borderColor bgrColor'></b><b class='xb3 borderColor bgrColor'></b><b class='xb2 borderColor bgrColor'></b><b class='xb1 borderTopBottomColor'></b></b>";
            html[html.length] = "</div>";          	
            html[html.length] = "</div>";           
          	$("#TB_window").append(html.join(''));
          } 
	      }
	          
	      $("#TB_closeWindowButton").click(tb_remove);
	      
        if (url.indexOf('TB_inline') != -1) { 
          $("#TB_ajaxContent").append($('#' + params['inlineId']).children());
          $("#TB_window").unload(function () {
            $('#' + params['inlineId']).append( $("#TB_ajaxContent").children() ); // move elements back when you're finished
          });
          tb_position();
          $("#TB_load").remove();
          $("#TB_window").css({display:"block"}); 
        } else if(url.indexOf('TB_iframe') != -1) {
          tb_position();
          if($.browser.safari){//safari needs help because it will not fire iframe onload
            $("#TB_load").remove();
            $("#TB_window").css({display:"block"});
          }
        } else {
          $("#TB_ajaxContent").load(url/*{'method':'POST', 'random':(new Date().getTime())}*/,function(){//to do a post change this load method
            $("#TB_load").remove();
            tb_init("#TB_ajaxContent a.thickbox");
            $("#TB_window").css({display:"block"});
            tb_position(caption);            
            $(window).resize(function() {
            	tb_position();
            });
          });
        }
	    }
	
	    if(!params['modal']){
	      document.onkeyup = function(e){	      
	        if (e == null) { // ie
	          keycode = event.keyCode;
	        } else { // mozilla
	          keycode = e.which;
	        }
	        if(keycode == 27){ // close
	          tb_remove();
	        } 
	      };
	    }
	  } catch(e) {
	    //nothing here
	  }
	}
	
	//helper functions below
	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().hide().remove();
      $("#TB_load").remove();    
      document.onkeydown = "";
      document.onkeyup = "";
      $(window).unbind('resize');
    });
    return false;
	}
	
	function tb_position(caption) {
    $("#TB_ajaxContent").css({width: TB_WIDTH + 'px'});
    var tb_centerContentHeight, tb_windowWidth, tb_windowHeight, tb_windowTop, windowHeight, delta = 62, scrollWidth = 0;
    
    windowHeight = $(window).height();    
		if (TB_HEIGHT != 'auto') {
			tb_centerContentHeight = TB_HEIGHT;			
		} else {	
			tb_centerContentHeight = $("#TB_ajaxContent").height() + 13;	
			tb_windowHeight = tb_centerContentHeight + delta;		
	    if (tb_windowHeight > windowHeight) {
	    	scrollWidth = 17; 
				tb_centerContentHeight = windowHeight - delta - 20;
				if (tb_centerContentHeight < 400) tb_centerContentHeight = 400;														
			} 		
		}						
    $("#TB_centerContent").css({height: tb_centerContentHeight + 'px'});
    $("#TB_window").width(TB_WIDTH + scrollWidth + 8);
        
    if (caption) { $("#TB_ajaxWindowTitle").html(caption); }
    
    tb_windowHeight = $("#TB_window").height(); 	  
    tb_windowWidth = $("#TB_window").width();
    
    if (tb_windowHeight > windowHeight) {
    	tb_windowTop = 0;
    } else {
    	var halfHeight = parseInt((tb_windowHeight / 2),10);
      tb_windowTop = parseInt((windowHeight / 2),10) - halfHeight;    
    }
    if ( (jQuery.browser.msie && jQuery.browser.version < 7)) { // take IE6
      tb_windowTop += Math.max(document.documentElement.scrollTop, document.body.scrollTop); 
    }
    $("#TB_window").css({top:tb_windowTop + 'px'}).css({marginLeft: '-' + parseInt((tb_windowWidth / 2),10) + 'px',left:'50%'});
   
	}
	
	function tb_parseQuery ( query ) {
	   var Params = {};
	   if ( ! query ) {return Params;}// return empty object
	   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;
	  }
	}
	
  $.tb_init = tb_init;
  
  $.tb_el_init = tb_init_element;
  $.showImage = tb_show;
  
})(jQuery);