/**
 * Star Rating - jQuery plugin
 * Modified by Aaron (http://hypercas.com)
 **/
/**
 * 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
 *
 */
jQuery.fn.rating = function(){

    var $entity;
    $entity = jQuery(this).find('select');

    return this.each(function(){
        var ul = jQuery("<ul/>").attr({
            title: this.title,
            className: this.className
        }).insertAfter( this );

        jQuery(this).find("select option").each(function(){
            ul.append( this.value == "" ?
                "<li class='star cancel'><a href='#0' title='Cancel Rating'>Cancel Rating</a></li>" :
                "<li class='star'><a onclick='storeValue(" + this.value + ")' href='#" + this.value + "' title='Give it a " + this.value + " Star Rating'>" + this.value + "</a></li>" );
        });

         //left overs from old plugin
         var averageRating = $entity.val(),
            url = this.action,
            averageIndex = $entity.val(),
            averagePercent = 0;


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

        // cancel button events
        ul.find("li.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;
            $entity.val(averageIndex);

            if ( averageIndex == 0 )
                drain();

            jQuery.post(url,{
                rating: jQuery(this).find('a')[0].href.slice(1)
            });

            return false;
        }

        // fill to the current mouse position.
        function fill( elem ){
            stars.find("a").css("width", "100%");
            stars.slice(0, 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.slice(0,averageIndex).addClass("on");

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

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