/*
 * Treeview 1.5pre - jQuery plugin to hide and show branches of a tree
 * 
 * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
 * http://docs.jquery.com/Plugins/Treeview
 *
 * Copyright (c) 2007 Jörn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.treeview.js 5759 2008-07-01 07:50:28Z joern.zaefferer $
 *
 */

;(function($) {

	// TODO rewrite as a widget, removing all the extra plugins
	$.extend($.fn, {
		swapClass: function(c1, c2) {
			var c1Elements = this.filter('.' + c1);
			this.filter('.' + c2).removeClass(c2).addClass(c1);
			c1Elements.removeClass(c1).addClass(c2);
			return this;
		},
		replaceClass: function(c1, c2) {
			return this.filter('.' + c1).removeClass(c1).addClass(c2).end();
		},
		hoverClass: function(className) {
			className = className || "hover";
			return this.hover(function() {
				$(this).addClass(className);
			}, function() {
				$(this).removeClass(className);
			});
		},
		heightToggle: function(animated, callback) {
			animated ?
				this.animate({ height: "toggle" }, animated, callback) :
				this.each(function(){
					jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
					if(callback)
						callback.apply(this, arguments);
				});
		},
		heightHide: function(animated, callback) {
			if (animated) {
				this.animate({ height: "hide" }, animated, callback);
			} else {
				this.hide();
				if (callback)
					this.each(callback);				
			}
		},
		prepareBranches: function(settings) {
			if (!settings.prerendered) {
				// mark last tree items
				this.filter(":last-child:not(ul)").addClass(CLASSES.last);
				// collapse whole tree, or only those marked as closed, anyway except those marked as open
				this.filter((settings.collapsed ? "" : "." + CLASSES.closed) + ":not(." + CLASSES.open + ")").find(">ul").hide();
			}
			// return all items with sublists
			return this.filter(":has(>ul)");
		},
		applyClasses: function(settings, toggler) {
			// TODO use event delegation
			this.filter(":has(>ul):not(:has(>a))").find(">span").unbind("click.treeview").bind("click.treeview", function(event) {
				// don't handle click events on children, eg. checkboxes
				if ( this == event.target )
					toggler.apply($(this).next());
			}).add( $("a", this) ).hoverClass();
			
			if (!settings.prerendered) {
				// handle closed ones first
				this.filter(":has(>ul:hidden)")
						.addClass(CLASSES.expandable)
						.replaceClass(CLASSES.last, CLASSES.lastExpandable);
						
				// handle open ones
				this.not(":has(>ul:hidden)")
						.addClass(CLASSES.collapsable)
						.replaceClass(CLASSES.last, CLASSES.lastCollapsable);
						
	            // create hitarea if not present
				var hitarea = this.find("div." + CLASSES.hitarea);
				if (!hitarea.length)
					hitarea = this.prepend("<div class=\"" + CLASSES.hitarea + "\"/>").find("div." + CLASSES.hitarea);
				hitarea.removeClass().addClass(CLASSES.hitarea).each(function() {
					var classes = "";
					$.each($(this).parent().attr("class").split(" "), function() {
						classes += this + "-hitarea ";
					});
					$(this).addClass( classes );
				})
			}
			
			// apply event to hitarea
			this.find("div." + CLASSES.hitarea).click( toggler );
		},
		treeview: function(settings) {
			
			settings = $.extend({
				cookieId: "treeview"
			}, settings);
			
			if ( settings.toggle ) {
				var callback = settings.toggle;
				settings.toggle = function() {
					return callback.apply($(this).parent()[0], arguments);
				};
			}
		
			// factory for treecontroller
			function treeController(tree, control) {
				// factory for click handlers
				function handler(filter) {
					return function() {
						// reuse toggle event handler, applying the elements to toggle
						// start searching for all hitareas
						toggler.apply( $("div." + CLASSES.hitarea, tree).filter(function() {
							// for plain toggle, no filter is provided, otherwise we need to check the parent element
							return filter ? $(this).parent("." + filter).length : true;
						}) );
						return false;
					};
				}
				// click on first element to collapse tree
				$("a:eq(0)", control).click( handler(CLASSES.collapsable) );
				// click on second to expand tree
				$("a:eq(1)", control).click( handler(CLASSES.expandable) );
				// click on third to toggle tree
				$("a:eq(2)", control).click( handler() ); 
			}
		
			// handle toggle event
			function toggler() {
				$(this)
					.parent()
					// swap classes for hitarea
					.find(">.hitarea")
						.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
						.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
					.end()
					// swap classes for parent li
					.swapClass( CLASSES.collapsable, CLASSES.expandable )
					.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
					// find child lists
					.find( ">ul" )
					// toggle them
					.heightToggle( settings.animated, settings.toggle );
				if ( settings.unique ) {
					$(this).parent()
						.siblings()
						// swap classes for hitarea
						.find(">.hitarea")
							.replaceClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
							.replaceClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
						.end()
						.replaceClass( CLASSES.collapsable, CLASSES.expandable )
						.replaceClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
						.find( ">ul" )
						.heightHide( settings.animated, settings.toggle );
				}
			}
			this.data("toggler", toggler);
			
			function serialize() {
				function binary(arg) {
					return arg ? 1 : 0;
				}
				var data = [];
				branches.each(function(i, e) {
					data[i] = $(e).is(":has(>ul:visible)") ? 1 : 0;
				});
				$.cookie(settings.cookieId, data.join(""), settings.cookieOptions );
			}
			
			function deserialize() {
				var stored = $.cookie(settings.cookieId);
				if ( stored ) {
					var data = stored.split("");
					branches.each(function(i, e) {
						$(e).find(">ul")[ parseInt(data[i]) ? "show" : "hide" ]();
					});
				}
			}
			
			// add treeview class to activate styles
			this.addClass("treeview");
			
			// prepare branches and find all tree items with child lists
			var branches = this.find("li").prepareBranches(settings);
			
			switch(settings.persist) {
			case "cookie":
				var toggleCallback = settings.toggle;
				settings.toggle = function() {
					serialize();
					if (toggleCallback) {
						toggleCallback.apply(this, arguments);
					}
				};
				deserialize();
				break;
			case "location":
				var current = this.find("a").filter(function() {
					return this.href.toLowerCase() == location.href.toLowerCase();
				});
				if ( current.length ) {
					// TODO update the open/closed classes
					var items = current.addClass("selected").parents("ul, li").add( current.next() ).show();
					if (settings.prerendered) {
						// if prerendered is on, replicate the basic class swapping
						items.filter("li")
							.swapClass( CLASSES.collapsable, CLASSES.expandable )
							.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
							.find(">.hitarea")
								.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
								.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea );
					}
				}
				break;
			}
			
			branches.applyClasses(settings, toggler);
				
			// if control option is set, create the treecontroller and show it
			if ( settings.control ) {
				treeController(this, settings.control);
				$(settings.control).show();
			}
			
			return this;
		}
	});
	
	// classes used by the plugin
	// need to be styled via external stylesheet, see first example
	$.treeview = {};
	var CLASSES = ($.treeview.classes = {
		open: "open",
		closed: "closed",
		expandable: "expandable",
		expandableHitarea: "expandable-hitarea",
		lastExpandableHitarea: "lastExpandable-hitarea",
		collapsable: "collapsable",
		collapsableHitarea: "collapsable-hitarea",
		lastCollapsableHitarea: "lastCollapsable-hitarea",
		lastCollapsable: "lastCollapsable",
		lastExpandable: "lastExpandable",
		last: "last",
		hitarea: "hitarea"
	});
	
})(jQuery);;
/*
 * Calls the javascript for the menus, unfortunately IE8 behaves in an
 * unreliable manner when using both Superfish and CSS3PIE, so Superfish is
 * disabled in this case.
 */

(function($){
  $(document).ready(function(){
    $(".sidebar .menu").treeview({
      collapsed: true,
      animated: "fast",
      persist: "location"
    });
    $("#block-system-main-menu ul.menu").supersubs({
      minWidth:    8,
      maxWidth:    27,
      extraWidth:  1
    }).filter(function(){
      return (!($.browser.msie && $.browser.version == 8))
    }).superfish({
      dropShadows: false
    })
  });
})(jQuery);;

/*
 * Superfish v1.4.8 - jQuery menu widget
 * Copyright (c) 2008 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 * 	http://www.opensource.org/licenses/mit-license.php
 * 	http://www.gnu.org/licenses/gpl.html
 *
 * CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
 */

;(function($){
	$.fn.superfish = function(op){

		var sf = $.fn.superfish,
			c = sf.c,
			$arrow = $(['<span class="',c.arrowClass,'"> &#187;</span>'].join('')),
			over = function(){
				var $$ = $(this), menu = getMenu($$);
				clearTimeout(menu.sfTimer);
				$$.showSuperfishUl().siblings().hideSuperfishUl();
			},
			out = function(){
				var $$ = $(this), menu = getMenu($$), o = sf.op;
				clearTimeout(menu.sfTimer);
				menu.sfTimer=setTimeout(function(){
					o.retainPath=($.inArray($$[0],o.$path)>-1);
					$$.hideSuperfishUl();
					if (o.$path.length && $$.parents(['li.',o.hoverClass].join('')).length<1){over.call(o.$path);}
				},o.delay);	
			},
			getMenu = function($menu){
				var menu = $menu.parents(['ul.',c.menuClass,':first'].join(''))[0];
				sf.op = sf.o[menu.serial];
				return menu;
			},
			addArrow = function($a){ $a.addClass(c.anchorClass).append($arrow.clone()); };
			
		return this.each(function() {
			var s = this.serial = sf.o.length;
			var o = $.extend({},sf.defaults,op);
			o.$path = $('li.'+o.pathClass,this).slice(0,o.pathLevels).each(function(){
				$(this).addClass([o.hoverClass,c.bcClass].join(' '))
					.filter('li:has(ul)').removeClass(o.pathClass);
			});
			sf.o[s] = sf.op = o;
			
			$('li:has(ul)',this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over,out).each(function() {
				if (o.autoArrows) addArrow( $('>a:first-child',this) );
			})
			.not('.'+c.bcClass)
				.hideSuperfishUl();
			
			var $a = $('a',this);
			$a.each(function(i){
				var $li = $a.eq(i).parents('li');
				$a.eq(i).focus(function(){over.call($li);}).blur(function(){out.call($li);});
			});
			o.onInit.call(this);
			
		}).each(function() {
			var menuClasses = [c.menuClass];
			if (sf.op.dropShadows  && !($.browser.msie && $.browser.version < 7)) menuClasses.push(c.shadowClass);
			$(this).addClass(menuClasses.join(' '));
		});
	};

	var sf = $.fn.superfish;
	sf.o = [];
	sf.op = {};
	sf.IE7fix = function(){
		var o = sf.op;
		if ($.browser.msie && $.browser.version > 6 && o.dropShadows && o.animation.opacity!=undefined)
			this.toggleClass(sf.c.shadowClass+'-off');
		};
	sf.c = {
		bcClass     : 'sf-breadcrumb',
		menuClass   : 'sf-js-enabled',
		anchorClass : 'sf-with-ul',
		arrowClass  : 'sf-sub-indicator',
		shadowClass : 'sf-shadow'
	};
	sf.defaults = {
		hoverClass	: 'sfHover',
		pathClass	: 'overideThisToUse',
		pathLevels	: 1,
		delay		: 800,
		animation	: {opacity:'show'},
		speed		: 'normal',
		autoArrows	: true,
		dropShadows : true,
		disableHI	: false,		// true disables hoverIntent detection
		onInit		: function(){}, // callback functions
		onBeforeShow: function(){},
		onShow		: function(){},
		onHide		: function(){}
	};
	$.fn.extend({
		hideSuperfishUl : function(){
			var o = sf.op,
				not = (o.retainPath===true) ? o.$path : '';
			o.retainPath = false;
			var $ul = $(['li.',o.hoverClass].join(''),this).add(this).not(not).removeClass(o.hoverClass)
					.find('>ul').hide().css('visibility','hidden');
			o.onHide.call($ul);
			return this;
		},
		showSuperfishUl : function(){
			var o = sf.op,
				sh = sf.c.shadowClass+'-off',
				$ul = this.addClass(o.hoverClass)
					.find('>ul:hidden').css('visibility','visible');
			sf.IE7fix.call($ul);
			o.onBeforeShow.call($ul);
			$ul.animate(o.animation,o.speed,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
			return this;
		}
	});

})(jQuery);
;

/*
 * Supersubs v0.2b - jQuery plugin
 * Copyright (c) 2008 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 * 	http://www.opensource.org/licenses/mit-license.php
 * 	http://www.gnu.org/licenses/gpl.html
 *
 *
 * This plugin automatically adjusts submenu widths of suckerfish-style menus to that of
 * their longest list item children. If you use this, please expect bugs and report them
 * to the jQuery Google Group with the word 'Superfish' in the subject line.
 *
 */

;(function($){ // $ will refer to jQuery within this closure

	$.fn.supersubs = function(options){
		var opts = $.extend({}, $.fn.supersubs.defaults, options);
		// return original object to support chaining
		return this.each(function() {
			// cache selections
			var $$ = $(this);
			// support metadata
			var o = $.meta ? $.extend({}, opts, $$.data()) : opts;
			// get the font size of menu.
			// .css('fontSize') returns various results cross-browser, so measure an em dash instead
			var fontsize = $('<li id="menu-fontsize">&#8212;</li>').css({
				'padding' : 0,
				'position' : 'absolute',
				'top' : '-999em',
				'width' : 'auto'
			}).appendTo($$).width(); //clientWidth is faster, but was incorrect here
			// remove em dash
			$('#menu-fontsize').remove();
			// cache all ul elements
			$ULs = $$.find('ul');
			// loop through each ul in menu
			$ULs.each(function(i) {	
				// cache this ul
				var $ul = $ULs.eq(i);
				// get all (li) children of this ul
				var $LIs = $ul.children();
				// get all anchor grand-children
				var $As = $LIs.children('a');
				// force content to one line and save current float property
				var liFloat = $LIs.css('white-space','nowrap').css('float');
				// remove width restrictions and floats so elements remain vertically stacked
				var emWidth = $ul.add($LIs).add($As).css({
					'float' : 'none',
					'width'	: 'auto'
				})
				// this ul will now be shrink-wrapped to longest li due to position:absolute
				// so save its width as ems. Clientwidth is 2 times faster than .width() - thanks Dan Switzer
				.end().end()[0].clientWidth / fontsize;
				// add more width to ensure lines don't turn over at certain sizes in various browsers
				emWidth += o.extraWidth;
				// restrict to at least minWidth and at most maxWidth
				if (emWidth > o.maxWidth)		{ emWidth = o.maxWidth; }
				else if (emWidth < o.minWidth)	{ emWidth = o.minWidth; }
				emWidth += 'em';
				// set ul to width in ems
				$ul.css('width',emWidth);
				// restore li floats to avoid IE bugs
				// set li width to full width of this ul
				// revert white-space to normal
				$LIs.css({
					'float' : liFloat,
					'width' : '100%',
					'white-space' : 'normal'
				})
				// update offset position of descendant ul to reflect new width of parent
				.each(function(){
					var $childUl = $('>ul',this);
					var offsetDirection = $childUl.css('left')!==undefined ? 'left' : 'right';
					$childUl.css(offsetDirection,emWidth);
				});
			});
			
		});
	};
	// expose defaults
	$.fn.supersubs.defaults = {
		minWidth		: 9,		// requires em unit.
		maxWidth		: 25,		// requires em unit.
		extraWidth		: 0			// extra width can ensure lines don't sometimes turn over due to slight browser differences in how they round-off values
	};
	
})(jQuery); // plugin code ends
;