source: Dev/trunk/src/client/qed-client/model/widgets/questions/MultipleChoiceInputWidget.js

define([
    "../../../widgets/_ComplexValueWidget",
    "dijit/form/CheckBox",
    "dijit/form/RadioButton",
    "dijit/form/TextBox",
    "dojo/_base/array",
    "dojo/_base/declare",
    "dojo/_base/lang",
    "dojo/dom-construct",
    "dojo/text!./templates/MultipleChoiceInputWidget.html"
], function(_ComplexValueWidget, CheckBox, RadioButton, TextBox, array, declare, lang, domConstruct, template) {
    return declare([_ComplexValueWidget],{
        templateString: template,
        baseClass: 'qedMultipleChoiceWidget',
        allowMultiple: false,
        startup: function() {
            if ( this._started ) { return; }
            this.inherited(arguments);

            var Ctor = this.allowMultiple ? CheckBox : RadioButton;

            var input;
            domConstruct.empty(this.domNode);
            array.forEach(this.items, function(item){
                var div = domConstruct.create("div", {
                }, this.domNode, "last");
                input = new Ctor({
                    name: this.code + (this.allowMultiple?item.subcode:this.subcode),
                    value: this.allowMultiple ? 1 : item.value
                }).placeAt(div);
                var label = domConstruct.create("label",{
                    'for': input.id,
                    innerHTML: item.text
                }, div);
            }, this);
            
            if ( this.lastItemIsOpen && input ) {
                this.lastItem = input;
                var openItemDiv = domConstruct.create("div", {
                }, this.domNode, "last");
                this.openItemTextBox = new TextBox({
                    name: this.code + this.lastItemIsOpen.subcode,
                    disabled: true,
                    readOnly: true,
                    'class': 'openItem'
                });
                this.openItemTextBox.placeAt(openItemDiv);
                this.own(this.lastItem.on(
                    'change',lang.hitch(this,'_handleOpenItemChange')));
            }
        },
        _setDisabledAttr: function() {
            this.inherited(arguments);
            this._handleOpenItemChange();
        },
        _setReadOnlyAttr: function() {
            this.inherited(arguments);
            this._handleOpenItemChange();
        },
        _handleOpenItemChange: function() {
            if ( this.lastItem ) {
                var value = this.allowMultiple ?
                            this.lastItem.get('value') :
                            this.lastItem.get('value')[0];
                var enabled = !(this.readOnly || this.disabled) && value;
                this.openItemTextBox.set('disabled',!enabled);
                this.openItemTextBox.set('readOnly',!enabled);
            }
        }
    });
});