/**
 * Star Rating - jQuery plugin
 *
 * Copyright (c) 2007 Wil Stuckey
 * Modified by John Resig
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a degradeable star rating interface out of a simple form structure.
 * Returns a modified jQuery object containing the new interface.
 *   
 * @example jQuery('form.rating').rating();
 * @cat plugin
 * @type jQuery 
 *
 */

/**
 * 2011 07 13 T 11:22 Test schema.org micro markup
 */
  
jQuery.each( [ "eq", "lt", "gt", "contains" ], function(i,n){
	jQuery.fn[ n ] = function(num,fn) {
		return this.filter( ":" + n + "(" + num + ")", fn );
	};
});

jQuery.fn.rating = function(){

    return this.each(function(){
    
        var div = jQuery("<div/>").attr({
            title     : this.title,
            className : this.className,
            style     : 'display:inline',
            itemprop  : 'aggregateRating',
            itemscope : '',
            itemtype  : "http://schema.org/AggregateRating"
        }).insertAfter( this );

        var averageRating = this.title.split(/:\s*/)[1].split("."),
            url = this.action,
            averageIndex   = averageRating[0],
            averagePercent = averageRating[1],
            itemprop       = '';

        jQuery(this).find("select option").each(function(){
                itemprop = (averageIndex == this.value) ? 'ratingValue': '';
                
                switch (this.value) {
                case "0":
                    div.append( "<div class='cancel' ><a href='#0' title='Cancel Rating'>Cancel Rating</a></div>" );
                    break;
                case "1":
                    div.append( "<div class='star' ><a itemprop='worstRating "+itemprop+"' itemprop='ratingValue' href='#" + this.value + "' title='Give it a " + this.value + " Star Rating'>" + this.value + "</a></div>" );
                    break;
                case "5":
                    div.append( "<div class='star' ><a itemprop='bestRating "+itemprop+"' itemprop='ratingValue' href='#" + this.value + "' title='Give it a " + this.value + " Star Rating'>" + this.value + "</a></div>" );
                    break;
                default:
                    itemprop = ('' == itemprop) ? '': "itemprop='ratingValue' ";
                    div.append( "<div class='star' ><a "+itemprop+" href='#" + this.value + "' title='Give it a " + this.value + " Star Rating'>" + this.value + "</a></div>" );
                }                    
        });

        // hover events and focus events added
        var stars = div.find("div.star")
            .mouseover(drainFill).focus(drainFill)
            .mouseout(drainReset).blur(drainReset)
            .click(click);

        // cancel button events
        div.find("div.cancel")
            .mouseover(drainAdd).focus(drainAdd)
            .mouseout(resetRemove).blur(resetRemove)
            .click(click);

        reset();

        function drainFill(){ drain(); fill(this); }
        function drainReset(){ drain(); reset(); }
        function resetRemove(){ reset(); jQuery(this).removeClass('on'); }
        function drainAdd(){ drain(); jQuery(this).addClass('on'); }

        function click(){
            averageIndex = stars.index(this) + 1;
            averagePercent = 0;
            var string=$(this).find('a')[0].href.substr(0,100);
            var stringlen=string.length-1;
            var vote=string.substr(stringlen);
            if ( averageIndex == 0 )
                drain();

            jQuery.post(url,{
                rating: averageIndex
            });
            $(".ratingtext").html("voted <span class=\'tick\'>&#10004</span>");           
            return false;
        }

        // fill to the current mouse position.
        function fill( elem ){
            stars.find("a").css("width", "100%");
            stars.lt( stars.index(elem) + 1 ).addClass("hover");
        }
    
        // drain all the stars.
        function drain(){
            stars.removeClass("on hover");
        }

        // Reset the stars to the default index.
        function reset(){
            stars.lt(averageIndex).addClass("on");

            var percent = averagePercent ? averagePercent * 10 : 0;
            if (percent > 0)
                stars.eq(averageIndex).addClass("on").children("a").css("width", percent + "%");
        }


    }).remove();
};

// fix ie6 background flicker problem.
if ( jQuery.browser.msie == true )
    document.execCommand('BackgroundImageCache', false, true);