// JavaScript Document
/*************************************************
Star Rating System
First Version: 21 November, 2006
Author: Ritesh Agrawal
Inspriation: Will Stuckey's star rating system (http://sandbox.wilstuckey.com/jquery-ratings/)
Demonstration: http://php.scripts.psu.edu/rja171/widgets/rating.php
Usage: $('#rating').rating('www.url.to.post.com', {maxvalue:5, curvalue:0});
arguments
url : required -- post changes to
options
maxvalue: number of stars
curvalue: number of selected stars
************************************************/
jQuery.fn.rating = function(url, options) {
if(url == null) return;
var settings = {
url : url, // post changes to
maxvalue : 5, // 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
});
for(var i= 0; i <= settings.maxvalue ; i++){
var size = i
if (i == 0) {
if(settings.cancel == true){
var div = '';
container.append(div);
}
}
else {
var div = '';
container.append(div);
}
}
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) + 1;
jQuery.post(container.url, {
"rating": jQuery(this).children('a')[0].href.split('#')[1]
});
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()
.lt(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.lt(settings.curvalue).addClass('on').end();
}
}
event.reset();
return(this);
}