/*
 * jQuery Star Rating Plugin v3.13 - 2009-03-26 ###
 * Home: http://www.fyneworks.com/jquery/star-rating/
 * Code: http://code.google.com/p/jquery-star-rating-plugin/
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
*/

;if(window.jQuery) (function($){
	if ($.browser.msie) try { document.execCommand("BackgroundImageCache", false, true)} catch(e) { };
	$.fn.rating = function(options){
		if(this.length==0) return this;
		if(typeof arguments[0]=='string'){
			if(this.length>1){
				var args = arguments;
				return this.each(function(){
					$.fn.rating.apply($(this), args);
    });
			};
			$.fn.rating[arguments[0]].apply(this, $.makeArray(arguments).slice(1) || []);
			return this;
		};
		var options = $.extend(
			{},
			$.fn.rating.options,
			options || {}
		);
		$.fn.rating.calls++;
		this
		 .not('.star-rating-applied')
			.addClass('star-rating-applied')
		.each(function(){
			var control, input = $(this);
			var eid = (this.name || 'unnamed-rating').replace(/\[|\]/g, '_').replace(/^\_+|\_+$/g,'');
			var context = $(this.form || document.body);
			var raters = context.data('rating');
			if(!raters || raters.call!=$.fn.rating.calls) raters = { count:0, call:$.fn.rating.calls };
			var rater = raters[eid];
			if(rater) control = rater.data('rating');
			if(rater && control) control.count++;
			else{
				control = $.extend(
					{},
					options || {},
					($.metadata? input.metadata(): ($.meta?input.data():null)) || {},
					{ count:0, stars: [], inputs: [] }
				);
				control.serial = raters.count++;
				rater = $('<span class="star-rating-control"/>');
				input.before(rater);
				rater.addClass('rating-to-be-drawn');
				if(input.attr('disabled')) control.readOnly = true;
				rater.append(
					control.cancel = $('<div class="rating-cancel"><a title="' + control.cancel + '">' + control.cancelValue + '</a></div>')
					.mouseover(function(){
						$(this).rating('drain');
						$(this).addClass('star-rating-hover');
					})
					.mouseout(function(){
						$(this).rating('draw');
						$(this).removeClass('star-rating-hover');
					})
					.click(function(){
					 $(this).rating('select');
					})
					.data('rating', control)
				);
			};
			var star = $('<div class="star-rating rater-'+ control.serial +'"><a title="' + (this.title || this.value) + '">' + this.value + '</a></div>');
			rater.append(star);
			if(this.id) star.attr('id', this.id);
			if(this.className) star.addClass(this.className);
			if(control.half) control.split = 2;
			if(typeof control.split=='number' && control.split>0){
				var stw = ($.fn.width ? star.width() : 0) || control.starWidth;
				var spi = (control.count % control.split), spw = Math.floor(stw/control.split);
				star
				.width(spw)
				.find('a').css({ 'margin-left':'-'+ (spi*spw) +'px' })
			};
			if(control.readOnly)
				star.addClass('star-rating-readonly');
			else
				star.addClass('star-rating-live')
					.mouseover(function(){
						$(this).rating('fill');
						$(this).rating('focus');
					})
					.mouseout(function(){
						$(this).rating('draw');
						$(this).rating('blur');
					})
					.click(function(){
						$(this).rating('select');
					})
				;
			if(this.checked)	control.current = star;
			input.hide();
			input.change(function(){
    $(this).rating('select');
   });
			star.data('rating.input', input.data('rating.star', star));
			control.stars[control.stars.length] = star[0];
			control.inputs[control.inputs.length] = input[0];
			control.rater = raters[eid] = rater;
			control.context = context;
			input.data('rating', control);
			rater.data('rating', control);
			star.data('rating', control);
			context.data('rating', raters);
  });
		$('.rating-to-be-drawn').rating('draw').removeClass('rating-to-be-drawn');
		
		return this;
	};
	$.extend($.fn.rating, {
		calls: 0,
		focus: function(){
			var control = this.data('rating'); if(!control) return this;
			if(!control.focus) return this; 
			var input = $(this).data('rating.input') || $( this.tagName=='INPUT' ? this : null );
			if(control.focus) control.focus.apply(input[0], [input.val(), $('a', input.data('rating.star'))[0]]);
		},
		blur: function(){
			var control = this.data('rating'); if(!control) return this;
			if(!control.blur) return this;
			var input = $(this).data('rating.input') || $( this.tagName=='INPUT' ? this : null );
			if(control.blur) control.blur.apply(input[0], [input.val(), $('a', input.data('rating.star'))[0]]);
		},
		fill: function(){
			var control = this.data('rating'); if(!control) return this;
			if(control.readOnly) return;
			this.rating('drain');
			this.prevAll().andSelf().filter('.rater-'+ control.serial).addClass('star-rating-hover');
		},
		drain: function() {
			var control = this.data('rating'); if(!control) return this;
			if(control.readOnly) return;
			control.rater.children().filter('.rater-'+ control.serial).removeClass('star-rating-on').removeClass('star-rating-hover');
		},
		draw: function(){
			var control = this.data('rating'); if(!control) return this;
			this.rating('drain');
			if(control.current){
				control.current.data('rating.input').attr('checked','checked');
				control.current.prevAll().andSelf().filter('.rater-'+ control.serial).addClass('star-rating-on');
			}
			else
			 $(control.inputs).removeAttr('checked');
			control.cancel[control.readOnly || control.required?'hide':'show']();
			this.siblings()[control.readOnly?'addClass':'removeClass']('star-rating-readonly');
		},
		
		select: function(value,wantCallBack){
			var control = this.data('rating'); if(!control) return this;
			if(control.readOnly) return;
			control.current = null;
			if(typeof value!='undefined'){
				if(typeof value=='number')
 			 return $(control.stars[value]).rating('select',undefined,wantCallBack);
				if(typeof value=='string')
					$.each(control.stars, function(){
						if($(this).data('rating.input').val()==value) $(this).rating('select',undefined,wantCallBack);
					});
			}
			else
				control.current = this[0].tagName=='INPUT' ?
				 this.data('rating.star') :
					(this.is('.rater-'+ control.serial) ? this : null);
			this.data('rating', control);
			this.rating('draw');
			var input = $( control.current ? control.current.data('rating.input') : null );
					if((wantCallBack ||wantCallBack == undefined) && control.callback) control.callback.apply(input[0], [input.val(), $('a', control.current)[0]]);
  },
		
		readOnly: function(toggle, disable){
			var control = this.data('rating'); if(!control) return this;
			control.readOnly = toggle || toggle==undefined ? true : false;
			if(disable) $(control.inputs).attr("disabled", "disabled");
			else     			$(control.inputs).removeAttr("disabled");
			this.data('rating', control);
			this.rating('draw');
		},
		disable: function(){
			this.rating('readOnly', true, true);
		},
		enable: function(){ 
			this.rating('readOnly', false, false);
		}
		
 });
	$.fn.rating.options = { 
			cancel: 'Очистить', 
			cancelValue: '', 
			split: 0,  
			starWidth: 16//,
 };
	$(function(){
	 $('input[type=radio].star').rating();
	});
})(jQuery);