/**
 *
 * 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
 *
 **/


/**
 * Estrutura montada pelo Thickbox:
 * -----------------------------------------------------------------------------------------------
 *
 *	<div id="TB_window">
 *		<a title="Fechar" id="TB_ImageOff" href="?Fechar">
 *			<img height="333" width="500" alt="Texto alternativo" src="imagem.jpg" id="TB_Image"/>
 *		</a>
 *		<div id="TB_caption">
 *			<div id="textoCaption">Texto alternativo</div>
 *			<div id="TB_botoes">
 *				<a title="Fechar" id="TB_closeWindowButton" href="?Fechar">Fechar</a>
 *				<a title="Imprimir" id="TB_PrintButton" href="?Imprimir">Imprimir</a>
 *			</div>
 *			<a title="Foto anterior" id="TB_prev" href="?FotoAnterior">« Anterior</a>
 *			<a title="Próxima foto" id="TB_next" href="?ProximaFoto">Próxima »</a>
 *		</div>
 *	</div>
 *
 * -----------------------------------------------------------------------------------------------
 **/


var tb_pathToImage = "imagens/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 called when the user clicks on a thickbox link
function tb_show(caption, url, imageGroup)
{
	try
	{
		// If IE 6...
		if(typeof document.body.style.maxHeight === "undefined")
		{
			$("body","html").css({height: "100%", width: "100%"});
			$("html").css("overflow","hidden");

			// <iframe> to hide select elements in ie6
			if(document.getElementById("TB_HideSelect") === null)
			{
				$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
				$("#TB_overlay").click(tb_remove);
			}

			if(document.getElementById("TB_overlay") === null)
			{
				$("body").append("<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);
			}
		}

		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;

		 // 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 = '<a href="?ProximaFoto" id="TB_next" title="Pr&oacute;xima foto">Pr&oacute;xima &raquo;</a>';
						}
						else
						{
							TB_PrevCaption = TB_TempArray[TB_Counter].title;
							TB_PrevURL = TB_TempArray[TB_Counter].href;
							TB_PrevHTML = '<a href="?FotoAnterior" id="TB_prev" title="Foto anterior">&laquo; Anterior</a>';
						}
					}
					else
					{
						TB_FoundURL = true;
						TB_imageCount = "Imagem " + (TB_Counter + 1) +" de "+ (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;



				imagem		= '	<a href="?Fechar" id="TB_ImageOff" title="Fechar"><img id="TB_Image" src="' + url + '" width="' + imageWidth + '" height="' + imageHeight + '" alt="' + caption + '" /></a>';
				theButtons	= '	<div id="TB_botoes">';
				theButtons += '		<a href="?Fechar" id="TB_closeWindowButton" title="Fechar">Fechar</a>';
				theButtons += '	</div>';
				theCaption	= '	<div id="TB_caption"><div id="textoCaption">' + caption + '</div>' + theButtons + TB_PrevHTML + TB_NextHTML + '</div>';

				$("#TB_window").append( imagem + theCaption );
				$("#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);
				$("#TB_window").css({display:"block"}); //for safari using css instead of show
			}

			imgPreloader.src = url;

		}
		//code to show html
		else
		{
			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = tb_parseQuery( queryString );
			TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
			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();

				//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' title='Fechar'>Fechar</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>");
				}
				//iframe modal
				else
				{
					$("#TB_overlay").unbind();
					$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
				}
			}
			// not an iframe, ajax
			else
			{
				if($("#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'>Fechar</a></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());
				$("#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();

				//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 += "&random=" + (new Date().getTime()),function()
				{
					tb_position();
					$("#TB_load").remove();
					tb_init("#TB_ajaxContent a.thickbox");
					$("#TB_window").css({display:"block"});
				});
			}
		}
		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 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().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 = {};

	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;
	}
}