missing rating files
git-svn-id: http://svn.barleysodas.com/barleysodas/trunk@129 0f7b21a7-9e3a-4941-bbeb-ce5c7c368fa7master
andrew
parent
9afd9b8674
commit
9581a3b531
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/**
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* @author Ryan Johnson <ryan@livepipe.net>
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* @copyright 2007 LivePipe LLC
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* @package Control.Rating
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* @license MIT
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* @url http://livepipe.net/projects/control_rating/
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* @version 1.0.1
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*/
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if(typeof(Control) == 'undefined')
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Control = {};
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Control.Rating = Class.create();
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Object.extend(Control.Rating,{
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instances: [],
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findByElementId: function(id){
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return Control.Rating.instances.find(function(instance){
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return (instance.container.id && instance.container.id == id);
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});
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}
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});
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Object.extend(Control.Rating.prototype,{
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container: false,
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value: false,
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options: {},
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initialize: function(container,options){
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Control.Rating.instances.push(this);
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this.value = false;
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this.links = [];
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this.container = $(container);
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this.container.update('');
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this.options = {
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min: 1,
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max: 5,
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rated: false,
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input: false,
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reverse: false,
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capture: true,
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multiple: false,
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classNames: {
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off: 'rating_off',
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half: 'rating_half',
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on: 'rating_on',
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selected: 'rating_selected'
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},
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updateUrl: false,
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updateParameterName: 'value',
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afterChange: Prototype.emptyFunction
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};
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Object.extend(this.options,options || {});
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if(this.options.value){
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this.value = this.options.value;
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delete this.options.value;
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}
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if(this.options.input){
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this.options.input = $(this.options.input);
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this.options.input.observe('change',function(input){
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this.setValueFromInput(input);
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}.bind(this,this.options.input));
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this.setValueFromInput(this.options.input,true);
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}
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var range = $R(this.options.min,this.options.max);
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(this.options.reverse ? $A(range).reverse() : range).each(function(i){
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var link = this.buildLink(i);
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this.container.appendChild(link);
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this.links.push(link);
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}.bind(this));
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this.setValue(this.value || this.options.min - 1,false,true);
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},
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buildLink: function(rating){
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var link = $(document.createElement('a'));
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link.value = rating;
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if(this.options.multiple || (!this.options.rated && !this.options.multiple)){
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link.href = '';
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link.onmouseover = this.mouseOver.bind(this,link);
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link.onmouseout = this.mouseOut.bind(this,link);
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link.onclick = this.click.bindAsEventListener(this,link);
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}else{
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link.style.cursor = 'default';
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link.observe('click',function(event){
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Event.stop(event);
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return false;
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}.bindAsEventListener(this));
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}
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link.addClassName(this.options.classNames.off);
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return link;
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},
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disable: function(){
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this.links.each(function(link){
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link.onmouseover = Prototype.emptyFunction;
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link.onmouseout = Prototype.emptyFunction;
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link.onclick = Prototype.emptyFunction;
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link.observe('click',function(event){
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Event.stop(event);
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return false;
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}.bindAsEventListener(this));
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link.style.cursor = 'default';
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}.bind(this));
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},
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setValueFromInput: function(input,prevent_callbacks){
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this.setValue((input.options ? input.options[input.options.selectedIndex].value : input.value),true,prevent_callbacks);
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},
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setValue: function(value,force_selected,prevent_callbacks){
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this.value = value;
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if(this.options.input){
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if(this.options.input.options){
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$A(this.options.input.options).each(function(option,i){
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if(option.value == this.value){
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this.options.input.options.selectedIndex = i;
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throw $break;
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}
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}.bind(this));
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}else
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this.options.input.value = this.value;
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}
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this.render(this.value,force_selected);
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if(!prevent_callbacks){
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if(this.options.updateUrl){
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var params = {};
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params[this.options.updateParameterName] = this.value;
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new Ajax.Request(this.options.updateUrl,{
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parameters: params
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});
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}
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this.notify('afterChange',this.value);
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}
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},
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render: function(rating,force_selected){
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(this.options.reverse ? this.links.reverse() : this.links).each(function(link,i){
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if(link.value <= Math.ceil(rating)){
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link.className = this.options.classNames[link.value <= rating ? 'on' : 'half'];
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if(this.options.rated || force_selected)
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link.addClassName(this.options.classNames.selected);
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}else
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link.className = this.options.classNames.off;
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}.bind(this));
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},
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mouseOver: function(link){
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this.render(link.value,true);
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},
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mouseOut: function(link){
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this.render(this.value);
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},
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click: function(event,link){
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this.options.rated = true;
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this.setValue((link.value ? link.value : link),true);
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if(!this.options.multiple)
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this.disable();
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if(this.options.capture){
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Event.stop(event);
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return false;
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}
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},
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notify: function(event_name){
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try{
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if(this.options[event_name])
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return [this.options[event_name].apply(this.options[event_name],$A(arguments).slice(1))];
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}catch(e){
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if(e != $break)
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throw e;
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else
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return false;
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}
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}
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});
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if(typeof(Object.Event) != 'undefined')
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Object.Event.extend(Control.Rating);
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