// 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)
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
	

************************************************/
$(document).ready(function() {
	$('#rate-img').rating('example.php', {maxvalue:5,increment:1,curvalue:0});	
  }	
);

jQuery.fn.rating = function(url, options) {
	
	if(url == null) return;
	
	var settings = {
		url : url, // post changes to 
		increment : 1, // value to increment by
		maxvalue  : 10,   // max number of stars
		curvalue  : 0    // number of selected stars
  	};
  
	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 ; i++){
    /*if (i == 0) {
	    if(settings.cancel == true){
        var div = '<div class="cancel"><a href="#0" title="ssCancel Rating" class="star">Cancel Rating</a></div>';
        container.append(div);
      }
    } else {*/
      	var $div = $('<div class="star"></div>')
        			.append('<a href="#'+i+'" title="'+i+'/'+settings.maxvalue+'">'+i+'</a>')
        			.appendTo(container);
      	if (settings.increment == .5) {
        	if (s%2)
          		$div.addClass('star-left');
        	else
          		$div.addClass('star-right');
        }	
    //}
    	i=i-1+settings.increment;
    	s++;
 	}
	
  	var stars = jQuery(container).children('.star');
  	//var cancel = jQuery(container).children('.cancel');

	stars
		.mouseover(function(){
		  event.drain();
		  event.fill(this);
		})
		.mouseout(function(){
		  event.drain();
		  event.reset();
		})
		.focus(function(){
		  event.drain();
		  event.fill(this);
		})
		.blur(function(){
		  event.drain();
		  event.reset();
		});

  	stars.click(function(){
		  
		if(settings.cancel == true){
      		settings.curvalue = (stars.index(this) * settings.increment) + settings.increment;
      		jQuery.post(container.url, {
        		"rating": jQuery(this).children('a')[0].href.split('#')[1] 
			});
			var ram=jQuery(this).children('a')[0].href.split('#')[1];			
			var parentDiv=this.parentNode.id;
			
			//var IDParent = parentDiv.split("rate-img");
			//alert(IDParent[1])
			//alert(parentDiv);
			if(parentDiv=='rate-img'){
			  document.getElementById("rating_value").value=ram;
			}
			return false;
		} 
		else if (settings.maxvalue == 1) {
			settings.curvalue = (settings.curvalue == 0) ? 1 : 0;
			$(this).toggleClass('on');
			jQuery.post(container.url, {
        		"rating": jQuery(this).children('a')[0].href.split('#')[1] 
	      	});
			return false;
		}		
		return true;
  	});

	// cancel button events
	/*if(cancel){
    	cancel
    		.mouseover(function(){
      			event.drain();
      			jQuery(this).addClass('on');
    		})
    		.mouseout(function(){
      			event.reset();
      			jQuery(this).removeClass('on');
    		})
			.focus(function(){
			  	event.drain();
			  	jQuery(this).addClass('on');
			})
			.blur(function(){
			  	event.reset();
			  	jQuery(this).removeClass('on');
			});
      
			// click events.
			cancel.click(function(){
			  	event.drain();
			  	settings.curvalue = 0;
			  	jQuery.post(container.url, {
					"rating": jQuery(this).children('a')[0].href.split('#')[1] 
			  	});
			  return false;
			});
  	}*/
        
	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();
				
		},
		reset: function(){ // Reset the stars to the default index.
			stars.slice(0,settings.curvalue / settings.increment).addClass('on').end();
		}
	};    
	event.reset();
	
	return(this);	

};

function validateRate(){
	if(document.getElementById('rating_value').value == 0){
		alert('Please click on the stars to rate.');
		return false;
	}	
}