$(document).ready(function(){
	TB_init();
});

/*
 * Thickbox 2.1 - jQuery plugin for displaying content in a box above the page
 * 
 * Copyright (c) 2006, 2007 Cody Lindley (http://www.codylindley.com)
 *
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 */

// add thickbox to href elements that have a class of .thickbox
function TB_init(){
	$("img.thickbox").click(function(event){
		// stop default behaviour
		event.preventDefault();
		// remove click border
		this.blur();
	
		// get caption: either title or name attribute
		var caption = this.title || this.name || "";
		
		// get rel attribute for image groups
		var group = "galleryPics";
		// display the box for the elements href
		TB_show(caption, this.src, group);
	});
	$("a.thickbox").click(function(event){
		// stop default behaviour
		event.preventDefault();
		// remove click border
		this.blur();
	
		// get caption: either title or name attribute
		var caption = this.title || this.name || "";
		
		// get rel attribute for image groups
		var group = this.rel || false;
		
		// display the box for the elements href
		TB_show(caption, this.href, group);
	});
}

// called when the user clicks on a thickbox link
function TB_show(caption, url, rel) {
	$("#renframe").hide();
	clearInterval(headline_interval);
	// create iframe, overlay and box if non-existent
	if ( !$("#TB_HideSelect").length ) {
		$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
		$("#TB_overlay").click(TB_remove);
	}
	// TODO replace or check if event is already assigned
	//$(window).scroll(TB_position);
	
	// TODO replace
	TB_overlaySize();
	
	// check if a query string is involved
	var baseURL = url.match(/(.+)?/)[1] || url;

	// regex to check if a href refers to an image
	var imageURL = /\.(jpe?g|png|gif|bmp)/gi;

	// check for images
	if ( baseURL.match(imageURL) ) {
		var dummy = { caption: "", url: "", html: "" };
		
		var prev = dummy,
			next = dummy,
			imageCount = "";
			
		// if an image group is given
		if ( rel ) {
			function getInfo(image, id, label) {
				return {
					caption: image.title,
					url: image.href,
					html: "<span id='TB_" + id + "'>&nbsp;&nbsp;<a href='#' title='"+image.title+"'>" + label + "</a></span>"
				}
			}
		
			// find the anchors that point to the group
			var imageGroup = $("a[@rel="+rel+"]").get();
			var foundSelf = false;
			
			// loop through the anchors, looking for ourself, saving information about previous and next image
			for (var i = 0; i < imageGroup.length; i++) {
				var image = imageGroup[i];
				var urlTypeTemp = image.href.match(imageURL);
				
				// look for ourself
				if ( image.href == url ) {
					foundSelf = true;
					imageCount = "Image " + (i + 1) + " of "+ (imageGroup.length);
				} else {
					// when we found ourself, the current is the next image
					if ( foundSelf ) {
						next = getInfo(image, "next", "Next &gt;");
						// stop searching
						break;
					} else {
						// didn't find ourself yet, so this may be the one before ourself
						prev = getInfo(image, "prev", "&lt; Prev");
					}
				}
			}
		}
		if ( url.indexOf('?') != -1 ) { //if query string show referenced flash file
			TB_WIDTH = 600 + 30;
			TB_HEIGHT = 400 + 60;

			var ajaxContentW = TB_WIDTH - 30,
				ajaxContentH = TB_HEIGHT - 60;
			urlNoQuery = url.split('?');		
			$("#TB_window").append("<iframe frameborder='0' scrolling='no' src='/scripts/flash.php?file=/docs/"+urlNoQuery[1]+"&alt="+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent' class='flash' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;' onload='TB_showIframe()'> </iframe>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + imageCount + prev.html + next.html + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a></div>");
			TB_position();
			if(frames['TB_iframeContent'] == undefined){//be nice to safari
				$("#TB_window").css({display:"block"});
			}
			$("#TB_closeWindowButton").click(TB_remove);
			function buildClickHandler(image) {
				return function() {
					$("#TB_window").remove();
					$("body").append("<div id='TB_window'></div>");
					TB_show(image.caption, image.url, rel);
					return false;
				};
			}
			var goPrev = buildClickHandler(prev);
			var goNext = buildClickHandler(next);
			if ( prev.html ) {
				$("#TB_prev").click(goPrev);
			}
			if ( next.html ) {		
				$("#TB_next").click(goNext);
			}
		} else { // show image
			imgPreloader = new Image();
			imgPreloader.onload = function() {
				imgPreloader.onload = null;
	
				// Resizing large images
				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
				
				// TODO don't use globals
				TB_WIDTH = imageWidth + 30;
				TB_HEIGHT = imageHeight + 60;
				
				// TODO empty window content instead
				$("#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'>" + imageCount + prev.html + next.html + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a></div>");
				
				$("#TB_closeWindowButton").click(TB_remove);
				
				function buildClickHandler(image) {
					return function() {
						$("#TB_window").remove();
						$("body").append("<div id='TB_window'></div>");
						TB_show(image.caption, image.url, rel);
						return false;
					};
				}
				var goPrev = buildClickHandler(prev);
				var goNext = buildClickHandler(next);
				if ( prev.html ) {
					$("#TB_prev").click(goPrev);
				}
				
				if ( next.html ) {		
					$("#TB_next").click(goNext);
				}
				
				// TODO don't remove loader etc., just hide and show later
				TB_position();
				$("#TB_ImageOff").click(TB_remove);
				
				// for safari using css instead of show
				// TODO is that necessary? can't test safari
				$("#TB_window").css({display:"block"});
			}
			imgPreloader.src = url;
		}
	} else { //code to show html pages
		if(url.indexOf('TB_editinline') != -1) var queryString = url.match(/TB_editinline\?(.+)/)[1];
		else if(url.indexOf('TB_inline') != -1) var queryString = url.match(/TB_inline\?(.+)/)[1];
		else var queryString = url.match(/\?(.+)/)[1];
		var params = TB_parseQuery( queryString );
		
		TB_WIDTH = (params['width']*1) + 30;
		TB_HEIGHT = (params['height']*1) + 40;

		var ajaxContentW = TB_WIDTH - 30,
			ajaxContentH = TB_HEIGHT - 45;
		
		original_html_code = $('#' + params['inlineId']).html();
		
		if(url.indexOf('TB_iframe') != -1) {				
			urlNoQuery = url.split('TB_');		
			$("#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></div></div><iframe frameborder='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' onload='TB_showIframe()'> </iframe>");
		} else if(url.indexOf('TB_editinline') != -1) {
			if ( params['inlineId'] == "editImages" ) $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_saveButton' title='Save Changes'>save</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
			else $("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_saveButton' title='Save Changes'>save</a> :: <a href='#' id='TB_cancelButton' title='Cancel Changes'>cancel</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
		} else {
			$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
		}
				
		$("#TB_closeWindowButton").click(TB_remove);
		
		if(url.indexOf('TB_editinline') != -1){
			$("#TB_saveButton").click( function() { TB_save(params['inlineId']); } );
			$("#TB_cancelButton").click( function() { TB_cancel(params['inlineId'],original_html_code); } );
			$("#TB_ajaxContent").html($('#' + params['inlineId']).html());
			TB_position();
			$('#' + params['inlineId']).html("")
			$("#TB_window").css({display:"block"}); 
			$("#TB_imageOff").unbind("click");
			$("#TB_overlay").unbind("click");

			if ( params['inlineId'] == "editImages" ) {
				$('div.groupWrapper').Sortable(
					{
						accept: 'groupItem',
						helperclass: 'sortHelper',
						activeclass : 	'sortableactive',
						hoverclass : 	'sortablehover',
						axis: 'horizontally',
						floats: true,
						handle: 'img.thumbEditHandle',
						tolerance: 'pointer',
						onStart : function()
						{
							$.iAutoscroller.start(this, document.getElementsByTagName('body'));
						},
						onStop : function()
						{
							$.iAutoscroller.stop();
						}
					}
				);
				$('#TB_ajaxContent a.closeEl').bind('click', toggleContent);
				
			}
			if ( params['inlineId'] == "editNav" ) {
				$('div.groupNavWrapper').Sortable(
					{
						accept: 'groupNavItem',
						helperclass: 'sortNavHelper',
						activeclass : 	'sortableactive',
						hoverclass : 	'sortablehover',
						handle: 'div.groupNavContent',
						tolerance: 'pointer',
						onStart : function()
						{
							$.iAutoscroller.start(this, document.getElementsByTagName('body'));
						},
						onStop : function()
						{
							$.iAutoscroller.stop();
						}
					}
				);
			}
			$("#TB_ajaxContent .inplaceFormFocus").focus();
		}else if(url.indexOf('TB_inline') != -1){
			var htmlToAdd=$('#' + params['inlineId']).html();
			if ( params['inlineId2'] == "quoteName" ) htmlToAdd += '<br /><span class="quoteNameTb">'+$('#' + params['inlineId2']).html()+'</span>';
			else if ( params['inlineId2'] ) htmlToAdd += $('#' + params['inlineId2']).html();
			$("#TB_ajaxContent").html(htmlToAdd);
			TB_position();
			$("#TB_window").css({display:"block"}); 
		}else if(url.indexOf('TB_iframe') != -1){
			TB_position();
			if(frames['TB_iframeContent'] == undefined){//be nice to safari
				$("#TB_window").css({display:"block"});
			}
		}else{
			$("#TB_ajaxContent").load(url, function(){
				TB_position();
				$("#TB_window").css({display:"block"}); 
			});
		}
	}
	$(window).resize(TB_overlaySize);		
}

//helper functions below

function TB_showIframe(){
	$("#TB_window").css({display:"block"});
}

function TB_remove() {
	$("#TB_imageOff").unbind("click");
	$("#TB_overlay").unbind("click");
	$("#TB_closeWindowButton").unbind("click");
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
	$("#renframe").show();
	headline_interval = setInterval(headline_rotate,20000);
	return false;
}

function TB_cancel(id,original_html_code) {
	$("#"+id).html(original_html_code);
	$("#TB_imageOff").unbind("click");
	$("#TB_overlay").unbind("click");
	$("#TB_cancelButton").unbind("click");
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
	$("#renframe").show();
	headline_interval = setInterval(headline_rotate,20000);
	return false;
}

function TB_save(id) {
	var i;
	var h = '';
	var o = {};
	if ( $("#TB_ajaxContent #"+id+"FormSerialData").size() > 0 ) {
		for ( i in jQuery.iSort.collected){
			o[i] = [];
			jQuery('#TB_ajaxContent #' + i + ' .' + jQuery.iSort.collected[i]).each(
				function ()
				{
					if (h.length > 0) {
						h += '&';
					}
					h += i + '[]=' + jQuery.attr(this,'id');
					o[i][o[i].length] = jQuery.attr(this,'id');
				}
			);
		}
		$("#TB_ajaxContent #"+id+"FormSerialData").attr("value",h)
	}
	$("#TB_ajaxContent #"+id+"Form").submit();
	return false;
}

function TB_position() {
	var pagesize = TB_getPageSize();	
	var arrayPageScroll = TB_getPageScrollTop();
	var tleft = arrayPageScroll[0] + (pagesize[0] - TB_WIDTH)/2;
	var ttop = (arrayPageScroll[1] + (pagesize[1]-TB_HEIGHT)/2);
	if ( ttop < 0 ) ttop = 0;
	if ( tleft < 0 ) tleft = 0;
	var style = {width: TB_WIDTH, left: tleft, top: ttop};
	$("#TB_window").css(style);
}

function TB_overlaySize(){
	if (window.innerHeight && window.scrollMaxY || window.innerWidth && window.scrollMaxX) {	
		yScroll = window.innerHeight + window.scrollMaxY;
		xScroll = window.innerWidth + window.scrollMaxX;
		var deff = document.documentElement;
		var wff = (deff&&deff.clientWidth) || document.body.clientWidth || window.innerWidth || self.innerWidth;
		var hff = (deff&&deff.clientHeight) || document.body.clientHeight || window.innerHeight || self.innerHeight;
		xScroll -= (window.innerWidth - wff);
		yScroll -= (window.innerHeight - hff);
	} else if (document.body.scrollHeight > document.body.offsetHeight || document.body.scrollWidth > document.body.offsetWidth){ // all but Explorer Mac
		yScroll = document.body.scrollHeight;
		xScroll = document.body.scrollWidth;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		yScroll = document.body.offsetHeight;
		xScroll = document.body.offsetWidth;
  	}
	$("#TB_overlay").css({"height": yScroll, "width": xScroll});
	$("#TB_HideSelect").css({"height": yScroll,"width": xScroll});
}

function TB_parseQuery ( query ) {
	// return empty object
	if( !query )
		return {};
	var params = {};
	
	// parse query
	var pairs = query.split(/[;&]/);
	for ( var i = 0; i < pairs.length; i++ ) {
		var pair = pairs[i].split('=');
		if ( !pair || pair.length != 2 )
			continue;
		// unescape both key and value, replace "+" with spaces in value
		params[unescape(pair[0])] = unescape(pair[1]).replace(/\+/g, ' ');
   }
   return params;
}

function TB_getPageScrollTop(){
	var yScrolltop;
	var xScrollleft;
	if (self.pageYOffset || self.pageXOffset) {
		yScrolltop = self.pageYOffset;
		xScrollleft = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop || document.documentElement.scrollLeft ){	 // Explorer 6 Strict
		yScrolltop = document.documentElement.scrollTop;
		xScrollleft = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScrolltop = document.body.scrollTop;
		xScrollleft = document.body.scrollLeft;
	}
	arrayPageScroll = new Array(xScrollleft,yScrolltop) 
	return arrayPageScroll;
}

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 = new Array(w,h) 
	return arrayPageSize;
}
