// JavaScript Document
/*************************************************
Star Rating System
First Version: 21 November, 2006
Second Version: 17 May, 2007
Author: Ritesh Agrawal (http://php.scripts.psu.edu/rja171/widgets/rating.php)
        email: ragrawal [at] gmail (dot) com
Inspiration: Will Stuckey's star rating system (http://sandbox.wilstuckey.com/jquery-ratings/)
Half-Star Addition: Karl Swedberg
Demonstration: http://examples.learningjquery.com/rating/
Usage: $('#rating').rating('url-to-post.php', {maxvalue:5, curvalue:0});

arguments
url : required -- post changes to 
options
  increment : 1, // value to increment by
	maxvalue: number of stars
	curvalue: number of selected stars
	

************************************************/
 jQuery.noConflict();
jQuery.fn.rating = function(url, options,id) {
	__this = this;
	__this.voto =  [];
	if(url == null) return;
	
	var settings = {
    url : url, // post changes to 
    increment : 1, // value to increment by
    maxvalue  : 5,   // max number of stars
    curvalue  : 0    // number of selected stars
  };
    var arrv=Array("","Orribile", "Orrendo", "Schifoso", "Penoso", "Mediocre", "Accettabile", "Bello", "Molto Bello", "Fantastico", "Eccellente");

  if(options) {
    jQuery.extend(settings, options);
  };
  jQuery.extend(settings, {cancel: (settings.maxvalue > 1) ? true : false});
   
   
  var container = jQuery(this);
	
	jQuery.extend(container, {
    averageRating: settings.curvalue,
    url: settings.url
  });
  settings.increment = (settings.increment < .75) ? .5 : 1;
  var s = 0;
	for(var i= 1; i <= settings.maxvalue+.5 ; i++){
    i=i-(1-settings.increment);
      var t=2*i;
      var $div = jQuery('<div class="star"></div>')
        .append('<a href="#'+i+'" title="'+arrv[t]+'">'+i+'</a>')
        .appendTo(container);
      if (settings.increment == .5) {
        if (s%2==0) {
          $div.addClass('star-left');
        } else {
          $div.addClass('star-right');
        }
      }
    

    s++;
  }
	
	var stars = jQuery(container).children('.star');
  var cancel = jQuery(container).children('.cancel');
  stars
    .mouseover(function(){
		 if(!__this.voto[id]){
			  event.drain();
			  event.fill(this);
		  }
    })
    .mouseout(function(){
      event.drain();
      event.reset();
    })
    .focus(function(){
	 	if(!__this.voto[id]){
		  event.drain();
		  event.fill(this);
		}
    })
    .blur(function(){
      event.drain();
      event.reset();
    });

  stars.click(function(){
	 if(!__this.voto[id]){
        __this.voto[id] = true;
		 
		if(settings.cancel == true){
      settings.curvalue = (stars.index(this) * settings.increment) + settings.increment;
			event.votato(this);
      jQuery.post(container.url, {
        "rating": jQuery(this).children('a')[0].href.split('#')[1] 
      });
			grazie();
//var divx = '<div style=color:blue > <b>Grazie per aver votato</b> </div>';
  //      container.append(divx);
			return false;
		} else if (settings.maxvalue == 1) {
			settings.curvalue = (settings.curvalue == 0) ? 1 : 0;
			jQuery(this).toggleClass('on');
			jQuery.post(container.url, {
        "rating": jQuery(this).children('a')[0].href.split('#')[1] 
      		});
//var divx = '<div style="color:blue; text-align:center"> Grazie per aver votato </div>';
  //      container.append(divx);
			return false;
		}
		return true;
}
  });
        
	var event = {

		fill: function(el){ // fill to the current mouse position.

			var index = stars.index(el) + 1;
			stars
				.children('a').css('width', '100%').end()
				.slice(0,index).addClass('hover').end();
		},
		drain: function() { // drain all the stars.

			stars
				.filter('.on').removeClass('on').end()
				.filter('.hover').removeClass('hover').end();
		},
		votato: function(el) {
			var index = stars.index(el) + 1;
			stars
				.filter('.on').removeClass('on').end()
				.filter('.hover').removeClass('hover').end()
				.slice(0,index).addClass('votato').end();
				
		},
		
		reset: function(){ // Reset the stars to the default index.

			stars.slice(0,settings.curvalue / settings.increment).addClass('on').end();
		}
	};    

	event.reset();
	
	return(this);	

};