(function($){

	//define the defaults for the plugin and how to call it	
	$.fn.dcMegaMenu = function(options){
		//set default options  
		var defaults = {
			classParent: 'dc-mega',
			rowItems: 3,
			speed: 'fast',
			effect: 'fade'
		};

		//call in the default otions
		var options = $.extend(defaults, options);
		var $dcMegaMenuObj = this;

		//act upon the element that is passed into the design    
		return $dcMegaMenuObj.each(function(options){

			megaSetup();
			
			function megaOver(){
				var subNav = $('.sub',this);
				$(this).addClass('mega-hover');
				if(defaults.effect == 'fade'){
					$(subNav).fadeIn(defaults.speed);
				}
				if(defaults.effect == 'slide'){
					$(subNav).slideDown(defaults.speed);
				}
			}
			
			function megaOut(){
				var subNav = $('.sub',this);
				$(this).removeClass('mega-hover');
				$(subNav).hide();
			}

			function megaSetup(){
				$arrow = '<span class="dc-mega-icon"></span>';
				var classParentLi = defaults.classParent+'-li';
				var menuWidth = $($dcMegaMenuObj).outerWidth(true);
				$('> li',$dcMegaMenuObj).each(function(){
					//Set Width of sub
					var mainSub = $('> ul',this);
					var primaryLink = $('> a',this);
					if($(mainSub).length > 0){
						$(primaryLink).addClass(defaults.classParent).append($arrow);
						$(mainSub).addClass('sub').wrap('<div class="sub-container" />');
						
						// Get Position of Parent Item
							var position = $(this).position();
							parentLeft = position.left;
							
						if($('ul',mainSub).length > 0){
							$(this).addClass(classParentLi);
							$('.sub-container',this).addClass('mega');
							$('> li',mainSub).addClass('mega-hdr');
							$('.mega-hdr > a').addClass('mega-hdr-a');
							// Create Rows
							var hdrs = $('.mega-hdr',this);
							rowSize = parseInt(defaults.rowItems);
							for(var i = 0; i < hdrs.length; i+=rowSize){
								hdrs.slice(i, i+rowSize).wrapAll('<div class="row" />');
							}

							// Get Sub Dimensions & Set Row Height
							$(mainSub).show();

							// Calc Left Position of Sub Menu
							// // Get Width of Parent
							var parentWidth = $(this).width();
							
							// // Calc Width of Sub Menu
							var subWidth = $(mainSub).outerWidth(true);
							var totalWidth = $(mainSub).parent('.sub-container').outerWidth(true);
							var containerPad = totalWidth - subWidth;
							var itemWidth = $('.mega-hdr',mainSub).outerWidth(true);
							var rowItems = $('.row:eq(0) .mega-hdr',mainSub).length;
							var innerItemWidth = itemWidth * rowItems;
							var totalItemWidth = innerItemWidth + containerPad;
							
							// Set mega header height
							$('.row',this).each(function(){
								$('.mega-hdr:last',this).addClass('last');
								var maxValue = undefined;
								$('.mega-hdr-a',this).each(function(){
									var val = parseInt($(this).height());
									if (maxValue === undefined || maxValue < val){
										maxValue = val;
									}
								});
								$('.mega-hdr-a',this).css('height',maxValue+'px');
								$(this).css('width',innerItemWidth+'px');
							});
							
							// // Calc Required Left Margin
							var marginLeft = (totalItemWidth - parentWidth)/2;
							var subLeft = parentLeft - marginLeft;

							// If Left Position Is Negative Set To Left Margin
							if(subLeft < 0){
								$('.sub-container',this).css('left','0');
							} else {
								$('.sub-container',this).css('left',parentLeft+'px').css('margin-left',-marginLeft+'px');
							}
							
							// Calculate Row Height
							$('.row',mainSub).each(function(){
								var rowHeight = $(this).height();
								$('.mega-hdr',this).css('height',rowHeight+'px');
								$(this).parent('.row').css('height',rowHeight+'px');
							});
							$(mainSub).hide();
					
						} else {
							$('.sub-container',this).addClass('non-mega').css('left',parentLeft+'px');
						}
					}
				});
				// Set position of mega dropdown to bottom of main menu
				var menuHeight = $('> li > a',$dcMegaMenuObj).outerHeight(true);
				$('.sub-container',$dcMegaMenuObj).css({top: menuHeight+'px'}).css('z-index','1000');
				// HoverIntent Configuration
				var config = {
					sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)
					interval: 100, // number = milliseconds for onMouseOver polling interval
					over: megaOver, // function = onMouseOver callback (REQUIRED)
					timeout: 400, // number = milliseconds delay before onMouseOut
					out: megaOut // function = onMouseOut callback (REQUIRED)
				};
				$('li',$dcMegaMenuObj).hoverIntent(config);
			}
		});
	};
})(jQuery);

(function($, undefined) {
    var isNumber = function(value) {
        return typeof value === "number" && isFinite(value);
    };

    $.widget('ui.smoothMenu', {

        widgetEventPrefix: 'smoothMenu',

        _wrapToWidgetEvent: function(type) {
            return type + '.' + this.widgetEventPrefix;
        },

        options: {
            childTag: 'li',
            delay: 1000,
            direction: 'horizontal',
            dockId: 'ui_smooth_menu_container',
            duration: 200,
            easing: 'swing',
            icon: true,
            opacity: 0.95,
            parentTag: 'ul',
            zIndex: 1
        },

        _create: function() {
            var self = this;
            var options = self.options;
            var $elm = self.element;
            var $rootContainer = self._getOrCreateContainer();
            var $parent = $elm.children(options.parentTag + ':first');
            options.parentNode = $parent;

            // 再帰的に子要素を探索して、子要素から先にコンテナに入れます。
            var childOption = $.extend({}, options, {
                direction: 'vertical',
                zIndex: options.zIndex + 1
            });
            // 子要素まですべて適用してからbindしないと先にイベントが動いてしまうため、あとからイベントを付加します。
            var $childNodes = $parent.children(options.childTag).smoothMenu(childOption).bind({
                smoothmenuonhide: function(event, $elm) {
                    self.hide();
                }
            });
            options.childNodes = $childNodes;

            options.defaultCss = {
                marginLeft: $parent.css('marginLeft'),
                marginTop: $parent.css('marginTop'),
                opacity: $parent.css('opacity'),
                visibility: $parent.css('visibility')
            };

            $elm.addClass('ui-smoothMenu-item ui-widget ui-corner-all ui-state-default').bind(self._wrapToWidgetEvent('mouseenter'), function(event) {
                if (options.disabled === false) {
                    $elm.addClass('ui-state-hover');
                }
                self._mouseEnter(event);
                $(this).smoothMenu('show');
            }).bind(self._wrapToWidgetEvent('mouseleave'), function(event) {
                $elm.removeClass('ui-state-hover');
                self._mouseLeave(event);
                setTimeout(function() {
                    $elm.smoothMenu('hide');
                }, options.delay);
            });

            if ($parent.length > 0) {
                var $container = $('<div />').css({
                    display: 'none',
                    overflow: 'hidden',
                    position: 'absolute',
                    zIndex: options.zIndex
                }).bind(self._wrapToWidgetEvent('mouseenter'), function(event) {
                    self._mouseEnter(event);
                }).bind(self._wrapToWidgetEvent('mouseleave'), function(event) {
                    self._mouseLeave(event);
                }).append($parent).appendTo($rootContainer);
                options.container = $container;

                if (options.icon) {
                    var iconClass = options.direction === 'horizontal' ? 'ui-icon-triangle-1-s' : 'ui-icon-triangle-1-e';
                    var $icon = $('<span class="ui-icon" />').addClass(iconClass);
                    $elm.append($icon);
                }
            } else {
                options.container = $();
            }

            $elm.smoothMenu('hide', 0);
        },

        destroy: function() {
            var self = this;
            var options = self.options;
            var $elm = self.element;

            if (options.disabled) {
                self.enable();
            }

            $elm.removeClass('ui-smoothMenu-item ui-widget ui-corner-all ui-state-default').unbind('.' + self.widgetEventPrefix);
            $elm.find('.ui-icon').remove();

            var $container = options.container;

            // 子要素を再帰的に復元します。
            options.childNodes.smoothMenu('destroy');

            var $parent = $container.children(options.parentTag);
            $parent.stop(true, true).css(options.defaultCss);

            $elm.append($parent);
            $container.remove();
            self._removeContainerIfEmpty();
            return self;
        },

        enable: function() {
            var $childNodes = this.options.childNodes;
            $childNodes.smoothMenu('enable');
            $.Widget.prototype.enable.call(this);
        },

        disable: function() {
            var $childNodes = this.options.childNodes;
            $childNodes.smoothMenu('disable');
            this.hide();
            $.Widget.prototype.disable.call(this);
        },

        rootContainer: function() {
            return this._getOrCreateContainer();
        },

        content: function() {
            return this.options.parentNode;
        },

        show: function(duration) {
            var self = this;
            var options = this.options;
            var $elm = self.element;
            var $container = options.container;
            var $parent = $container.children(options.parentTag);
            duration = isNumber(duration) ? duration : options.duration;

            if (options.disabled) {
                return;
            }

            $elm.siblings().smoothMenu('hide', 100);

            if (options.visible) {
                return;
            }

            var isContinue = self._trigger('beforeShow', null, $elm);
            if (isContinue === false) {
                return;
            }

            var offset = $elm.offset();
            var extendWidth = options.direction !== 'horizontal' ? $elm.outerWidth(true) : 0;
            var extendHeight = (function() {
                if (options.direction === 'horizontal') {
                    return $elm.outerHeight(true);
                } else {
                    var containerHeight = $container.outerHeight(true) || 0;
                    var documentHeight = $(document).height();
                    return Math.min(documentHeight - (offset.top + containerHeight), 0);
                }
            })();
            // 先にコンテナは表示状態にする必要があります。
            $container.show();
            // Marginはプラグイン側で移動させるので取得しません。
            var height = $parent.outerHeight() || 0;
            var width = $parent.outerWidth() || 0;
            $container.css({
                left: String(offset.left + extendWidth) + 'px',
                height: String(height) + 'px',
                top: String(offset.top + extendHeight) + 'px',
                width: String(width) + 'px'
            });

            $parent.stop(true).animate({
                marginLeft: '0px',
                marginTop: '0px',
                opacity: options.opacity
            }, {
                duration: duration,
                easing: options.easing
            });

            options.visible = true;

            self._trigger('onShow', null, $elm);
        },

        hide: function(duration) {
            var self = this;
            var options = self.options;
            var $elm = self.element;
            var $container = options.container;
            var $parent = $container.children(options.parentTag);
            duration = isNumber(duration) ? duration : options.duration;

            if (options.disabled) {
                return;
            }

            if (options.visible === false) {
                return;
            }

            if (self.isMouseOver(true)) {
                return;
            }

            var isContinue = self._trigger('beforeHide', null, $elm);
            if (isContinue === false) {
                return;
            }

            var marginLeft = options.direction !== 'horizontal' ? -1 * $container.outerWidth() : 0;
            var marginTop = options.direction === 'horizontal' ? -1 * $container.outerHeight() : 0;

            $parent.stop(true).animate({
                marginLeft: String(marginLeft) + 'px',
                marginTop: String(marginTop) + 'px',
                opacity: 0
            }, {
                duration: duration,
                easing: options.easing,
                complete: function() {
                    $container.hide();
                }
            });
            self._trigger('onHide', null, $elm);

            options.visible = false;

            // 親が閉じられたら子要素も同時に閉じます。
            options.childNodes.smoothMenu('hide');
        },

        isMouseOver: function(deepSearch) {
            var isMouseOver = this.options.isMouseOver;
            if (deepSearch) {
                var hasMouseOverChild = this._hasMouseOverChild();
                return isMouseOver || hasMouseOverChild;
            } else {
                return isMouseOver;
            }
        },

        _hasMouseOverChild: function() {
            var $childNodes = this.options.childNodes;
            var hasMouseOverChild = $childNodes.filter(function() {
                return $(this).smoothMenu('isMouseOver', true);
            }).length > 0;
            return hasMouseOverChild;
        },

        _mouseEnter: function(event) {
            this.options.isMouseOver = true;
        },

        _mouseLeave: function(event) {
            this.options.isMouseOver = false;
        },

        _getOrCreateContainer: function() {
            var id = this.options.dockId;
            var $container = $('#' + id);
            if ($container.length === 0) {
                $container = $('<div />', {
                    id: id,
                    'class': 'ui-widget ui-smoothMenu'
                }).appendTo(document.body);
            }
            return $container;
        },

        _removeContainerIfEmpty: function() {
            var $container = this._getOrCreateContainer();
            if ($container.is(':empty')) {
                $container.remove();
            }
        }

    });

    $.extend($.ui.smoothMenu, {
        version: '0.2.4'
    });

})(jQuery);