/*
 * 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
*/

/* Modified 20minutos */

//add thickbox to href & area elements that have a class of .thickbox
function tb_init(domChunk) {
	jQuery(domChunk).click(function() {
		tb_changeUrl(this); // 20minutos
		var t = this.title || this.name || '';
		var a = this.href || this.alt;
		var g = this.rel || false;
		tb_show(t,a,g);
		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
			jQuery("body","html").css({height: "100%", width: "100%"});
			jQuery("html").css("overflow", "hidden");
			jQuery("select:visible").addClass("tb_selectHack").hide();
		}

		if(document.getElementById("TB_overlay") === null){
			jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
		}

		if(tb_detectMacXFF()){
			jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
		}else{
			jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
		}

			/*images*/
		if(caption===null){caption="";}

		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 = jQuery("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='#'>Siguiente &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; Anterior</a></span>";
							}
						} else {
							TB_FoundURL = true;
							TB_imageCount = "Imagen " + (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;
			var TB_img_cerrar = url_css3 + 'i/color/green/ico_cerrar_ventana.gif';
			jQuery("#TB_window").append("<div id='TB_closeWindow' class='cerrar_ventana'><a href='#' id='TB_closeWindowButton' title='Close'><img src='"+TB_img_cerrar+"' alt='Cerrar ventana' title='Cerrar ventana' style='margin:0px;'/></a></div>"+"<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption' class='paginacion'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div>");

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

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

			if (!(TB_NextHTML === "")) {
				function goNext(){
					jQuery("#TB_window").remove();
					jQuery("body").append("<div id='TB_window'></div>");
					tb_show(TB_NextCaption, TB_NextURL, imageGroup);
					return false;
				}
				jQuery("#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();
			jQuery("#TB_load").remove();
			jQuery("#TB_ImageOff").click(tb_remove);
			jQuery("#TB_window").css({display:"block"}); //for safari using css instead of show
			};

			imgPreloader.src = url;
		}
		else
		{ /*images*/
		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;

		//iframe modal
		urlNoQuery = url.split('?TB_');
		jQuery("#TB_iframeContent").remove();
		jQuery("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");

		tb_position();
		}

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

//helper functions below
function tb_remove() {
	// Optimization (use remove instead of fadeOut)
	// jQuery("#TB_window").fadeOut("slow",function(){jQuery('#TB_window,#TB_overlay').remove();});
	jQuery('#TB_window,#TB_overlay').remove();

	if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
		jQuery("body","html").css({height: "auto", width: "auto"});
		jQuery("html").css("overflow", "");
		jQuery("select.tb_selectHack").removeClass("tb_selectHack").show();
	}
	return false;
}

function tb_position() {
	jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
	if ( !(typeof document.body.style.maxHeight === "undefined")) { // take away IE6
		jQuery("#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_detectMacXFF() {
	var userAgent = navigator.userAgent.toLowerCase();
	if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
		return true;
	}
}

/* 20minutos new functions */

// Loads thickbox using the specified zone
function tb_activateLink(zone){
	var classLink = null;
	if (zone == 'usuario')
	{
		tb_init('#registro-user a.thickbox');
	}
	else if (zone == 'comentarios')
	{
		tb_init('#cab_reg a.thickbox, #iidd_form_reg a.thickbox');
	}
	else if (zone == 'avisos')
	{
		tb_init('#listado_kment a.thickbox');
	}
	else if (zone == 'fotogramas')
	{
		tb_init('.aumentar a.thickbox');
	}
}

// Change URL to adapt it to 20minutos
function tb_changeUrl(a)
{
	var href= a.href;
	if (href != null && href.match(/TB_iframe/))
	{
		// URL is already changed
		// Do nothing
	}
	else
	{
		if (href.match(/usuarios\/identificacion/))
		{
			href += 'float/?TB_iframe=true&height=425&width=413&modal=true';
		}
		else if (href.match(/proc\/desconexion/))
		{
			href += 'float/?TB_iframe=true&height=208&width=395&modal=true';
		}
		else if (href.match(/usuarios\/aviso\/comentario/))
		{
			href += 'float/?TB_iframe=true&height=600&width=400&modal=true';
		}
		else if (href.match(/usuarios\/aviso\/avatar/))
		{
			href += 'float/?TB_iframe=true&height=620&width=400&modal=true';
		}
		a.href = href;
	}
}

// Manages timeouts to can force to close the iframe when a timeout was configured previously
var tb_timeout = null;

function tb_close()
{
	if (tb_timeout != null)
	{
		clearTimeout(tb_timeout);
		tb_timeout = null
	}
	tb_remove();
}

function tb_closeTimeout(func, seconds)
{
	tb_timeout = setTimeout(func, seconds);
}

// Thickbox iframe resize (tested with modal=true)
function tb_resize(height, width)
{
	var tb_iframe = document.getElementById('TB_iframeContent');
	if (tb_iframe && tb_iframe.contentWindow && tb_iframe.contentWindow.document)
	{
		tb_iframe.contentWindow.document.getElementsByTagName('body')[0].innerHTML = '';
	}

	TB_WIDTH = width + 30;
	TB_HEIGHT = height + 40;

	document.getElementById('TB_iframeContent').style.height = (TB_HEIGHT - 28) + 'px';
	document.getElementById('TB_iframeContent').style.width = (TB_WIDTH - 1) + 'px';

	tb_position();
}

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;
}

