/************************************************************************
@Name :         jMenu - jQuery Plugin
@Revison :      1.6
@Date :         12/2010
@Author:        Surrel Mickael (www.myjqueryplugins.com - www.msconcept.fr)  -  Croissance Net (www.croissance-net.com)
@Support:       FF, IE7, IE8, MAC Firefox, MAC Safari
@License :      Open Source - MIT License : http://www.opensource.org/licenses/mit-license.php

*************************************************************************/

/**
@ IsHovered Plugin
@ Thanks to Chad Smith fr his isHovered Plugin
@ source : http://mktgdept.com/jquery-ishovered
**/
(function(b,c){b('*').hover(function(){b(this).data(c,1)},function(){b(this).data(c,0)}).data(c,0);b[c]=function(a){return b(a)[c]()};b.fn[c]=function(a){a=0;b(this).each(function(){a+=b(this).data(c)});return a>0}})(jQuery,'isHovered');


/** jMenu Plugin **/
(function($){

    $.jMenu = {
        /**************/
        /** OPTIONS **/
        /**************/
        defaults: {
            ulWidth : 'auto',
            direction : 'top',
            absoluteTop : 30,
            absoluteBottom : 0,
            absoluteLeft : 0,
            effects : {
                effectSpeedOpen : 350,
                effectSpeedClose : 350,
                effectTypeOpen : 'slide',
                effectTypeClose : 'slide',
                effectOpen : 'linear',
                effectClose : 'linear'
            },
            TimeBeforeOpening : 200,
            TimeBeforeClosing : 200,
            animatedText : false,
            paddingLeft: 7
        },

        /*****************/
        /** Init Method **/
        /*****************/
        init:function(options){
            /* vars **/
            opts = $.extend({}, $.jMenu.defaults, options);

            $("#jMenu a:not(.fNiv)").each(function(){
                var $thisChild = $(this);

                /* Add css - arrow right */
                if($.jMenu._IsParent($thisChild))
                    $thisChild.addClass('isParent');

                /* Add the animation on hover **/
                if(opts.animatedText)
                    $.jMenu._animateText($thisChild);

                /* Actions on hover */
                $thisChild.bind({
                    mouseover:function(){
                        $.jMenu._hide($thisChild);
                        $.jMenu._showNextChild($thisChild);
                    }
                });
            });

            /* Actions on parents links */
            $('#jMenu li a.fNiv').bind({
                mouseover:function(){
                    var $this = $(this);
                    var $child = $this.next();
                    ULWidth = $.jMenu._returnUlWidth($this);
                    $.jMenu._closeList($("#jMenu ul"));
                    if($child.is(':hidden'))
                        $.jMenu._showFirstChild($this);
                }
            });

            /* Close all when mouse  leaves */
            $('#jMenu').bind({
                mouseleave : function(){
                    setTimeout(function(){$.jMenu._closeAll();},opts.TimeBeforeClosing);
                }
            });
        },


        /****************************
        *****************************
            jMenu Methods Below
        *****************************
        ****************************/

        /** Show the First Child Lists **/
        _showFirstChild:function(el){

            if($.jMenu._IsParent(el))
            {
                var SecondList = el.next();

                if(SecondList.is(":hidden"))
                {
                    var position = el.position();

                    var menuPlacement = 'top';
                    var marginPush = opts.absoluteTop;
                    if( opts.direction === 'down'){
                        menuPlacement = 'bottom';
                        marginPush = opts.absoluteBottom;
                    }

                    SecondList
                    .css({
                        menuPlacement : position.top + marginPush + 'px',
                        left : position.left + opts.absoluteLeft,
                        width : ULWidth
                    })
                    .children().css({
                        width: ULWidth
                    });

                    $.jMenu._show(SecondList);
                }
            }
            else
                return false;
        },

        /** Show all others Child lists except the first list **/
        _showNextChild:function(el){
            if($.jMenu._IsParent(el))
            {
                var ChildList = el.next();
                if(ChildList.is(":hidden"))
                {
                    var position = el.position();

                    ChildList
                    .css({
                        top : position.top,
                        left : position.left + ULWidth,
                        width : ULWidth
                    })
                    .children().css({
                        width:ULWidth
                    });
                    $.jMenu._show(ChildList);

                }
            }
            else
                return false;
        },


        /**************************************/
        /** Short Methods - Generals actions **/
        /**************************************/
        _hide:function(el){
            if($.jMenu._IsParent(el) && !el.next().is(':hidden'))
                $.jMenu._closeList(el.next());
            else if(($.jMenu._IsParent(el) && el.next().is(':hidden')) || !$.jMenu._IsParent(el))
                $.jMenu._closeList(el.parent().parent().find('ul'));
            else
                return false;
        },

        _show:function(el) {
            switch(opts.effects.effectTypeOpen)
            {
                case 'slide':
                    el.stop(true, true).delay(opts.TimeBeforeOpening).slideDown(opts.effects.effectSpeedOpen, opts.effects.effectOpen);
                    break;
                case 'fade':
                    el.stop(true, true).delay(opts.TimeBeforeOpening).fadeIn(opts.effects.effectSpeedOpen, opts.effects.effectOpen);
                    break;
                default :
                    el.stop(true, true).delay(opts.TimeBeforeOpening).show(opts.effects.effectSpeedOpen, opts.effects.effectOpen);
            }
        },

        _closeList:function(el) {
            switch(opts.effects.effectTypeClose)
            {
                case 'slide':
                    el.stop(false, true).slideUp(opts.effects.effectSpeedClose, opts.effects.effectClose);
                    break;
                case 'fade':
                    el.stop(false, true).fadeOut(opts.effects.effectSpeedClose, opts.effects.effectClose);
                    break;
                default :
                    el.stop(false, true).hide(opts.effects.effectSpeedClose, opts.effects.effectClose);
            }

        },

        _closeAll:function(){
            if(!$('#jMenu').isHovered()) {
                $('#jMenu ul').each(function(){
                    $.jMenu._closeList($(this));
                });
            }
        },

        _IsParent:function(el) {
            if(el.next().is('ul')) return true;
            else return false;
        },

        _returnUlWidth:function(el) {
            switch(opts.ulWidth) {
                case "auto" :
                    ULWidth = parseInt(el.parent().outerWidth());
                    break;
                default :
                    ULWidth = parseInt(opts.ulWidth);
            }
            return ULWidth;
        },

        _animateText:function(el) {
            var paddingInit = parseInt(el.css('padding-left'));

            el.hover(function(){
                $(this)
                .stop(true,true)
                .animate({
                    paddingLeft: paddingInit + opts.paddingLeft
                }, 100);
            }, function(){
                $(this)
                .stop(true,true)
                .animate({
                    paddingLeft:paddingInit
                }, 100);
            });
        },

        _isReadable:function(){
            if($("a.fNiv").length > 0)  return true;
            else return false;
        },

        _error:function(){
            alert('Please, check you have the \'.fNiv\' class on your first level links.');
        }
    };

    jQuery.fn.jMenu = function(options){
        if($.jMenu._isReadable())
            $.jMenu.init(options);
        else
            $.jMenu._error();
    };
})(jQuery);