/*
##############################################################################
#     LightWeight JQuery                                                     #
#     Copyright (C) 2009  Darrin Yeager                                      #
#     All rights reserved.                                                   #
#     http://www.dyeager.org                                                 #
#     BSD Licensed                                                           #
#                                                                            #
#  Version 1.0.3                                                             #
#                                                                            #
# Redistribution and use in source and binary forms, with or without         #
# modification, are permitted provided that the following conditions         #
# are met:                                                                   #
#                                                                            #
#   1. Redistributions of source code must retain the above copyright        #
#      notice, this list of conditions and the following disclaimer.         #
#                                                                            #
#   2. Redistributions in binary form must reproduce the above copyright     #
#      notice, this list of conditions and the following disclaimer in the   #
#      documentation and/or other materials provided with the distribution.  #
#                                                                            #
#   3. Neither the name of Darrin Yeager nor the names of any contributors   #
#      may be used to endorse or promote products derived from this software #
#      without specific prior written permission.                            #
#                                                                            #
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS        #
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT          #
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR      # 
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT       #
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,      #
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED   #
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR     #
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF     #
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING       #
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS         #
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.               #
#                                                                            #
##############################################################################
*/

(function($){
	var copyright = "LWJQ 1.0.3 Copyright 2009 Darrin Yeager http://www.dyeager.org/ Licensed under BSD License";
	/************************************************************
	        Pop-up Tips.
	*************************************************************/

	/* 
		CSS:
			#LWJQ_tip{border:2px solid black;background:#EEE}
			#LWJQ_tip_close{background:#CCC;margin:0;padding:3px}
			#LWJQ_tip_title{backgroundr:#555;color:#FFF;
				padding:2px;text-align:center;font-weight:bold}
			#LWJQ_tip_text{padding:4px}
	*/
	$.fn.LWJQ_tip = function(options) {
		var options = $.extend({},$.fn.LWJQ_tip.defaults, options);
		return this.each(function() {
			$(this).css('cursor','help');
			$(this).hover(function(evt){
				var pos = new Position();
				calcposition(pos,evt.pageX,
					$(this).offset().top + this.offsetHeight,
					options.tip_width);
				popup_ajax($(this).attr('href'),pos,
					"Information",options.defaultCSS,false);
			},
				function(){$('#LWJQ_tip').hide().remove();} //onexithover
			);
			$(this).click(function(evt){evt.preventDefault();});
    	});
	}

	$.LWJQ_popupAJAX = function(args_in) {
		var args = $.extend({},popup_defaults,args_in);
		var pos = new Position();
		if (typeof(args.url) == "undefined")
			throw "URL must be given for AJAX popup";
		calcposition(pos,args.x,args.y,args.width);
		popup_ajax(args.url,pos,args.title,args.defaultCSS,true);
	}

	$.LWJQ_popupText = function(args_in) {
		var args = $.extend({},popup_defaults,args_in);
		var pos = new Position();
		calcposition(pos,args.x,args.y,args.width);
		popup_text(args.text,pos,args.title,args.defaultCSS,true);
	}
	

	function ESC_down(event) {
		if (event.keyCode == 27) {
			$('#LWJQ_tip').hide().remove();
			$(document).unbind("keydown",ESC_down);
		}
	}

	function closebutton() {
		$('#LWJQ_tip_title').after("<p id='LWJQ_tip_close'><a href='#' id='LWJQ_tip_close_a'>Close</a> (or ESC)</p>");
		$('#LWJQ_tip_close_a').click(function(evt) {
			evt.preventDefault();
			$('#LWJQ_tip').hide().remove();
			$(document).unbind("keydown",ESC_down);
		});
	}

	function tipdefaultCSS() {
		$('#LWJQ_tip').css({border:'2px solid black',backgroundColor:'#EEE'});
		$('#LWJQ_tip_close').css({backgroundColor:'#CCC',margin:0,padding:'3px',textAlign:'right',fontSize:'80%',fontFamily:'verdana,arial,sans-serif'});
		$('#LWJQ_tip_title').css({backgroundColor:'#555',color:'#FFF',
			padding:'2px',textAlign:'center',fontWeight:'bold'});
		$('#LWJQ_tip_text').css({padding:'4px'});
		$('#LWJQ_tip_loader').append('<p>Loading...</p>');
	}

	function popup_ajax(urlx,pos,window_title,defaultCSS,addclosebutton) {
		$('#LWJQ_tip').remove();
		$("body").append("<div id='LWJQ_tip'><div id='LWJQ_tip_title'>"+window_title+"</div><div id='LWJQ_tip_text'><div id='LWJQ_tip_loader'></div></div></div>");
		$('#LWJQ_tip').css({left:pos.x+"px",top:pos.y+"px",
		width:pos.width+"px",position:'absolute',zIndex:100});
		if (addclosebutton)
			closebutton();
		if (defaultCSS)
			tipdefaultCSS();
		$('#LWJQ_tip').show();
		$(document).bind("keydown",ESC_down);
		$('#LWJQ_tip_text').load(urlx);
	}

	function popup_text(text,pos,window_title,defaultCSS,addclosebutton) {
		$('#LWJQ_tip').remove();
		$("body").append("<div id='LWJQ_tip'><div id='LWJQ_tip_title'>"+window_title+"</div><div id='LWJQ_tip_text'>" + text + "<div id='LWJQ_tip_loader'></div></div></div>");
		$('#LWJQ_tip_text').html(text);
		$('#LWJQ_tip').css({left:pos.x+"px",top:pos.y+"px",
		width:pos.width+"px",position:'absolute',zIndex:100});
		if (addclosebutton)
			closebutton();
		if (defaultCSS)
			tipdefaultCSS();
		$('#LWJQ_tip').show();
		$(document).bind("keydown",ESC_down);
	}

	// plugin defaults
	$.fn.LWJQ_tip.defaults = {
		tip_width:550,
		defaultCSS:false
	};

	// popup window defaults
	popup_defaults = {
		x:10,
		y:10,
		width:$.fn.LWJQ_tip.defaults.tip_width,
		title:"Information",
		defaultCSS:$.fn.LWJQ_tip.defaults.defaultCSS
	};

	/************************************************************
	        Accordion
	*************************************************************/
	/* HTML:
		<div id="accordion">
			<h3>Section 1</h3>
				<div>Content</div>
			<h3>Section 2</h3>
				<div>Content</div>
		</div>
		
		header can be changed via options.header, defaults to h3
		
	*/

	$.fn.LWJQ_accordion  = function(options) {
		var options = $.extend({},$.fn.LWJQ_accordion.defaults, options);
		return this.each(function() {
			$(this).children(options.header +' + div').hide();
			$(this).children(options.header).css('cursor','pointer')

			if (options.trigger === 'hover') {
				$(this).children(options.header).hover(function(evt) {
					evt.preventDefault();
					accordion_action($(this),options.mode);
				});
			} else {
				$(this).children(options.header).click(function(evt) {
					evt.preventDefault();
					accordion_action($(this),options.mode);
				});
			}	
    	});
	}

	function accordion_action(id,mode) {
		if (mode === 'onetabopen') {
		 	/*only one open at a time*/
			//$(this).next().slideDown().siblings('div:visible').slideUp();
			var nd = id.next();
			var vs = nd.siblings('div:visible');
			if (vs.length) {
				vs.slideUp('normal',function() {
					nd.slideToggle();
				});
			}
			else
				nd.slideToggle();
		}
		else {
			// independent - open and close any
			id.next().slideToggle();
		}
	}
	
	$.fn.LWJQ_accordion.defaults = {
		mode:'onetabopen',
		trigger:'click',
		header:'h3'
	};

	/************************************************************
	        Tabs
	*************************************************************/
	/* 
	HTML:
		<div id="LWJQ_tabs">
		<ul id="LWJQ_tabnav">
			<li><a href="#tabs-1">Tab 1 Title</a></li>
			<li><a href="#tabs-2">Tab Two Title</a></li>
			<li><a href="#tabs-3">Tab Three Title</a></li>
		</ul>

		<div id="tabs-1"></div>
		<div id="tabs-2"></div>
		<div id="tabs-3"></div>
		</div> // end of tabs

		id's can be anything, but the href's *should* match the id's of
		the divisions below, so when javascript is disabled the links
		will work normally.
		
	Recommend CSS as a starting point(colors of course can
			(and should) be changed.
	div,li,ul{margin:0;padding:0;}
	body{background:#FFF;}
	#LWJQ_tabs{}
	#LWJQ_tabnav{border-bottom:2px solid #53390F;width:100%;
		margin:0 !important;}
	#LWJQ_tabnav:after{display:block;clear:both;content:" ";}
	#LWJQ_tabnav li{float:left;list-style:none;margin:0 -2px -2px 10px;
		padding:3px 4px 2px;font-weight:bold;border:2px solid #53390F;
		border-bottom:none;}
	#LWJQ_tabnav li a{display:block;position:relative;text-decoration:none;}
	#LWJQ_tabnav li a:hover,#LWJQ_tabnav li:hover,#LWJQ_tabnav li.hover{
		background-color:#0F2953 !important;color:#FFF !important;}
	#LWJQ_tabnav li:hover,#LWJQ_tabnav li.hover{border-bottom:2px solid #0F2953 !important;}
	#LWJQ_tabnav li.tab-active{background:#FFF;border-bottom:2px solid #FFF;}
	#LWJQ_tabnav li.tab-inactive{background:#D4AD6C;border-bottom:2px solid #53390F;}
	#LWJQ_tabnav li.tab-inactive a{color:#555;}
	#LWJQ_tabnav li a, #LWJQ_tabnav a:active,#LWJQ_tabnav a:visited{
		color:#000;outline:none;}
		
	*/

	$.fn.LWJQ_tabs = function(options) {
		var options = $.extend({},$.fn.LWJQ_tabs.defaults, options);
		return this.each(function() {
			var tabid = $(this);
			//get navagation ul, which MUST be first child of div.
			var tabnav = $(this).find(":first-child");
			// hide all tab content and then show first tab content
			tabid.children('div').hide();
			tabid.children('ul + div').show();
			// disable ALL tabs and then make first one active
			tabnav.find('li').addClass(options.tabInactiveClassName);
			tabnav.find('li:first-child').removeClass(options.tabInactiveClassName).addClass(options.tabActiveClassName);
			
			tabnav.find('li').click(function(event) {
				//get a href of LI
				var link = $(this).children('a').attr('href');
				// disable all tabs and enable selected tab
				tabnav.find('li').removeClass(options.tabActiveClassName).addClass(options.tabInactiveClassName);
				$(this).removeClass(options.tabInactiveClassName).addClass(options.tabActiveClassName);
				// hide all tab content and show selected content
				tabid.children('div:visible').hide();
				$(link).fadeIn();
				event.preventDefault();
			});
			// since hover isn't well-supported on elements, use a function
			//   This doesn't *have* to be done, but since browsers don't always
			//   support CSS2 completly, it's a hack.
			tabnav.find('li').hover(function(event) {
				$(this).toggleClass(options.liHoverClassName);
			}, function(event) {
				$(this).toggleClass(options.liHoverClassName);
			});
		});
	};
	
	$.fn.LWJQ_tabs.defaults = {
		liHoverClassName:'hover',
		tabActiveClassName:'tab-active',
		tabInactiveClassName:'tab-inactive'
	};


	/************************************************************
	        LWJQ Pullquote
	*************************************************************/
	$.fn.LWJQ_pullquote = function(options) {
		var options = $.extend({},$.fn.LWJQ_pullquote.defaults, options);
		return this.each(function() {
			$('<blockquote></blockquote>')
				.addClass(options.className)
				.html($('<p></p>').html($(this).text()))
			.prependTo($(this).parent());
    	});
	}
	// plugin defaults
	$.fn.LWJQ_pullquote.defaults = {
		className:'pullquote'
	};

	/************************************************************
	        LWJQ Endnote
	*************************************************************/
	/* CSS
	span.LWJQ_endnotereference{vertical-align:super;
		font-size:70%;display:none;}
	span.LWJQ_endnotereference:before{content:'[';}
	span.LWJQ_endnotereference:after{content:']';}

	p.LWJQ_endnote{margin:.1em 0;padding:.1em;}
	p.LWJQ_endnote span.LWJQ_endnote-tag{
		vertical-align:super;
		font-size:80%;
	}
	p.LWJQ_endnote span.LWJQ_endnote-tag:before{content:'[';}
	p.LWJQ_endnote span.LWJQ_endnote-tag:after{content:'] ';}

	#LWJQ_endnotes{display:none;}

	h2.LWJQ_endnoteheader{font-family:sans-serif;}

	@media print{
		span.LWJQ_endnotereference{display:inline;}
		#LWJQ_endnotes{display:block;}
	}

	*/

	$.fn.LWJQ_endnotes = function(options) {
		var options = $.extend({},$.fn.LWJQ_endnotes.defaults, options);
		var LWJQ_ENDNOTE = "<p class='LWJQ_endnote'><span class='LWJQ_endnote-tag'>{0}</span>{1}</p>";
		var LWJQ_ENDNOTE_REF = "<span class='LWJQ_endnotereference'>{0}</span>";
		var LWJQ_ENDNOTE_CSSNOTED = "noted";
		$(options.target).html("");
		var i = 1;
		return this.each(function() {
			/*check if link should be done (via callback), or if it's
				been tagged with a CSS class meaning it's either been
				done, or it was manually tagged to be skipped*/
			var isOK = (options.onCheckLink.call(this));
			if ($(this).hasClass(LWJQ_ENDNOTE_CSSNOTED))
				isOK = false;
			$(this).addClass(LWJQ_ENDNOTE_CSSNOTED);
			if (isOK && $(this).attr('href')) {
				$(this).after(str_sub(LWJQ_ENDNOTE_REF,[i]));
				$(options.target).append(str_sub(LWJQ_ENDNOTE,[i,LWJQ_getFullLink($(this).attr('href'))]));
				i++;
			}
			if (isOK && $(this).attr('cite')) {
				if (this.tagName.toLowerCase()  === "blockquote") {
					/* if a blockquote, find any q or a elements inside and footnote them.
					This has to be done here to avoid the blockquote getting a previous
					number than the inside q,a since the blockquote is found first.
					Example:
						<blockquote cite="abc">
							<p>this is<a href="qed">link</a></p>
						</blockquote>
					the blockquote appears *first*, but we want the "a" to be
					numbered first.
					*/
					$(this).find('q[cite],a[href]').each(function() {
						var subisOK = (options.onCheckLink.call(this));
						if ($(this).hasClass(LWJQ_ENDNOTE_CSSNOTED))
							subisOK = false;
						$(this).addClass(LWJQ_ENDNOTE_CSSNOTED);
						if (subisOK) {
							$(this).after(str_sub(LWJQ_ENDNOTE_REF,[i]));
							var l = $(this).attr('href') ? $(this).attr('href') : $(this).attr('cite');
							$(options.target).append(str_sub(LWJQ_ENDNOTE,[i,LWJQ_getFullLink(l)]));
							i++;
						}
					});

					/*now footnote blockquote itself since blockquote internals are done.
						If we just use $(this).append(...) the citation appears on it's own
						line *after* the close of the blockquote. We can't just use last-child
						as the last-child element *may* not be a suitable element (p,li).
						If we can't find a suitable element, put the link appended, which
						likely puts the note on it's own line.*/
					if ($(this).find("p:last-child").length == 1)
						$(this).find("p:last-child").append(str_sub(LWJQ_ENDNOTE_REF,[i]));
					else
					if ($(this).find("ul:last-child").length == 1)
						$(this).find("ul:last-child li:last-child").append(str_sub(LWJQ_ENDNOTE_REF,[i]));
					else
					if ($(this).find("ol:last-child").length == 1)
						$(this).find("ol:last-child li:last-child").append(str_sub(LWJQ_ENDNOTE_REF,[i]));
					else
						$(this).append(str_sub(LWJQ_ENDNOTE_REF,[i]));
				}
				else {
					//not a blockquote, just some other tag with a cite.
					$(this).after(str_sub(LWJQ_ENDNOTE_REF,[i]));
				}
				//create the endnote for the cite
				$(options.target).append(str_sub(LWJQ_ENDNOTE,[i,LWJQ_getFullLink($(this).attr('cite'))]));
				i++;
			} // end of cite block
			if ($('#LWJQ_endnoteheader').length == 0)
				$(options.target).prepend("<h2 id='LWJQ_endnoteheader'>" + options.title + "</h2>");
		});
	};

	$.fn.LWJQ_endnotes.defaults = {
		onCheckLink: function(){return true;},
		target: "#LWJQ_endnotes",
		title: "EndNotes"
	};

	/************************************************************
	        Generic helper functions for LWJQ
	*************************************************************/

	/* string replace function.
		Example str_sub("Hello {0}",["John"])
		gives "Hello John"
	*/
	function str_sub(str, args){
		var j = args.length;
		for (var i = 0; i < j; i++)
			str = str.replace(new RegExp("\\{" + i + "\\}", "g"),args[i]);
		return str;
	}

	function LWJQ_parseQuery(qstring) {
		var params = new Array();
		if (!qstring)
			return params;
		var p = qstring.split(/&/);
		for (var i in p) {
			var j = p[i].split('=');
			params[unescape(j[0])] = unescape(j[1]).replace(/\+/g, ' ');
		}
		return params;
	}

	function LWJQ_getFullLink(link) {
		if ((link.substr(0,4) !== 'http') && (link.substr(0,3) !== 'ftp')) {
			var t = (link.substr(0,1) === '/') ? "" : "/";
			return document.location.protocol + "//" +
					location.hostname + t + link;
		}
		else
			return link;
	}

	function Position() {
		this.x = 0;
		this.y = 0;
		this.width = 200;
	}

	//calc postion for popups
	function calcposition(pos,req_x,req_y,req_width) {
		pos.width = req_width;
		var window_width = $(window).width();
		//find which has more space, left or right side?
		if (req_x > (window_width - req_x - req_width))
			pos.x = req_x - pos.width - 10;
		else
			pos.x = req_x + 10;
		//check if x-pos is off left side
		if (pos.x < 0) {
			pos.x = 3;
		}
		//check if x-pos is off right side and adjust window width.
		if ((pos.x + pos.width) > window_width) {
			pos.width = window_width - pos.x - 10;
		}
		if ((pos.width/req_width) < .70) {
			debug('** Fixing small pos.width Requested: ' + req_width + '  Calculated: ' + pos.width);
			pos.width = (req_width > (window_width - 30)) ? window_width * .90 : req_width;
			pos.x = window_width * .04;
			debug('** Fixed - pos.width now: ' + pos.width);
		}

		//set y-pos *below* element because if it's not, in the case
		//    where the pop-up covers the link, some bizarre UI things
		//    can happen in some browsers.
		pos.y = req_y + 3;	
	}

	/*private debug function - if Firebug is in use */
	function debug(msg){
		if (window.console && window.console.log) {
			window.console.log('LWJQ: '+msg);
		}
	}


})(jQuery);