missing rating files

git-svn-id: http://svn.barleysodas.com/barleysodas/trunk@129 0f7b21a7-9e3a-4941-bbeb-ce5c7c368fa7

public/javascripts/control.rating.js

@@ -0,0 +1,166 @@
+/**
+ * @author Ryan Johnson <ryan@livepipe.net>
+ * @copyright 2007 LivePipe LLC
+ * @package Control.Rating
+ * @license MIT
+ * @url http://livepipe.net/projects/control_rating/
+ * @version 1.0.1
+ */
+
+if(typeof(Control) == 'undefined')
+	Control = {};
+Control.Rating = Class.create();
+Object.extend(Control.Rating,{
+	instances: [],
+	findByElementId: function(id){
+		return Control.Rating.instances.find(function(instance){
+			return (instance.container.id && instance.container.id == id);
+		});
+	}
+});
+Object.extend(Control.Rating.prototype,{
+	container: false,
+	value: false,
+	options: {},
+	initialize: function(container,options){
+		Control.Rating.instances.push(this);
+		this.value = false;
+		this.links = [];
+		this.container = $(container);
+		this.container.update('');
+		this.options = {
+			min: 1,
+			max: 5,
+			rated: false,
+			input: false,
+			reverse: false,
+			capture: true,
+			multiple: false,
+			classNames: {
+				off: 'rating_off',
+				half: 'rating_half',
+				on: 'rating_on',
+				selected: 'rating_selected'
+			},
+			updateUrl: false,
+			updateParameterName: 'value',
+			afterChange: Prototype.emptyFunction
+		};
+		Object.extend(this.options,options || {});
+		if(this.options.value){
+			this.value = this.options.value;
+			delete this.options.value;
+		}
+		if(this.options.input){
+			this.options.input = $(this.options.input);
+			this.options.input.observe('change',function(input){
+				this.setValueFromInput(input);
+			}.bind(this,this.options.input));
+			this.setValueFromInput(this.options.input,true);
+		}
+		var range = $R(this.options.min,this.options.max);
+		(this.options.reverse ? $A(range).reverse() : range).each(function(i){
+			var link = this.buildLink(i);
+			this.container.appendChild(link);
+			this.links.push(link);
+		}.bind(this));
+		this.setValue(this.value || this.options.min - 1,false,true);
+	},
+	buildLink: function(rating){
+		var link = $(document.createElement('a'));
+		link.value = rating;
+		if(this.options.multiple || (!this.options.rated && !this.options.multiple)){
+			link.href = '';
+			link.onmouseover = this.mouseOver.bind(this,link);
+			link.onmouseout = this.mouseOut.bind(this,link);
+			link.onclick = this.click.bindAsEventListener(this,link);
+		}else{
+			link.style.cursor = 'default';
+			link.observe('click',function(event){
+				Event.stop(event);
+				return false;
+			}.bindAsEventListener(this));
+		}
+		link.addClassName(this.options.classNames.off);
+		return link;
+	},
+	disable: function(){
+		this.links.each(function(link){
+			link.onmouseover = Prototype.emptyFunction;
+			link.onmouseout = Prototype.emptyFunction;
+			link.onclick = Prototype.emptyFunction;
+			link.observe('click',function(event){
+				Event.stop(event);
+				return false;
+			}.bindAsEventListener(this));
+			link.style.cursor = 'default';
+		}.bind(this));
+	},
+	setValueFromInput: function(input,prevent_callbacks){
+		this.setValue((input.options ? input.options[input.options.selectedIndex].value : input.value),true,prevent_callbacks);
+	},
+	setValue: function(value,force_selected,prevent_callbacks){
+		this.value = value;
+		if(this.options.input){
+			if(this.options.input.options){
+				$A(this.options.input.options).each(function(option,i){
+					if(option.value == this.value){
+						this.options.input.options.selectedIndex = i;
+						throw $break;
+					}
+				}.bind(this));
+			}else
+				this.options.input.value = this.value;
+		}
+		this.render(this.value,force_selected);
+		if(!prevent_callbacks){
+			if(this.options.updateUrl){
+				var params = {};
+				params[this.options.updateParameterName] = this.value;
+				new Ajax.Request(this.options.updateUrl,{
+					parameters: params
+				});
+			}
+			this.notify('afterChange',this.value);
+		}
+	},
+	render: function(rating,force_selected){
+		(this.options.reverse ? this.links.reverse() : this.links).each(function(link,i){
+			if(link.value <= Math.ceil(rating)){
+				link.className = this.options.classNames[link.value <= rating ? 'on' : 'half'];
+				if(this.options.rated || force_selected)
+					link.addClassName(this.options.classNames.selected);
+			}else
+				link.className = this.options.classNames.off;
+		}.bind(this));
+	},
+	mouseOver: function(link){
+		this.render(link.value,true);
+	},
+	mouseOut: function(link){
+		this.render(this.value);
+	},
+	click: function(event,link){
+		this.options.rated = true;
+		this.setValue((link.value ? link.value : link),true);
+		if(!this.options.multiple)
+			this.disable();
+		if(this.options.capture){
+			Event.stop(event);
+			return false;
+		}
+	},
+	notify: function(event_name){
+		try{
+			if(this.options[event_name])
+				return [this.options[event_name].apply(this.options[event_name],$A(arguments).slice(1))];
+		}catch(e){
+			if(e != $break)
+				throw e;
+			else
+				return false;
+		}
+	}
+});
+if(typeof(Object.Event) != 'undefined')
+	Object.Event.extend(Control.Rating);