RadioGroup.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:3k
源码类别:
中间件编程
开发平台:
JavaScript
- /*!
- * Ext JS Library 3.0.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
- /**
- * @class Ext.form.RadioGroup
- * @extends Ext.form.CheckboxGroup
- * A grouping container for {@link Ext.form.Radio} controls.
- * @constructor
- * Creates a new RadioGroup
- * @param {Object} config Configuration options
- * @xtype radiogroup
- */
- Ext.form.RadioGroup = Ext.extend(Ext.form.CheckboxGroup, {
- /**
- * @cfg {Boolean} allowBlank True to allow every item in the group to be blank (defaults to true).
- * If allowBlank = false and no items are selected at validation time, {@link @blankText} will
- * be used as the error text.
- */
- allowBlank : true,
- /**
- * @cfg {String} blankText Error text to display if the {@link #allowBlank} validation fails
- * (defaults to 'You must select one item in this group')
- */
- blankText : 'You must select one item in this group',
- // private
- defaultType : 'radio',
- // private
- groupCls : 'x-form-radio-group',
- /**
- * @event change
- * Fires when the state of a child radio changes.
- * @param {Ext.form.RadioGroup} this
- * @param {Ext.form.Radio} checked The checked radio
- */
- /**
- * Gets the selected {@link Ext.form.Radio} in the group, if it exists.
- * @return {Ext.form.Radio} The selected radio.
- */
- getValue : function(){
- var out = null;
- this.eachItem(function(item){
- if(item.checked){
- out = item;
- return false;
- }
- });
- return out;
- },
- /**
- * Sets the checked radio in the group.
- * @param {String/Ext.form.Radio} id The radio to check.
- * @param {Boolean} value The value to set the radio.
- * @return {Ext.form.RadioGroup} this
- */
- setValue : function(id, value){
- if(this.rendered){
- if(arguments.length > 1){
- var f = this.getBox(id);
- if(f){
- f.setValue(value);
- if(f.checked){
- this.eachItem(function(item){
- if (item !== f){
- item.setValue(false);
- }
- });
- }
- }
- }else{
- this.setValueForItem(id);
- }
- }else{
- this.values = arguments;
- }
- return this;
- },
- // private
- fireChecked : function(){
- if(!this.checkTask){
- this.checkTask = new Ext.util.DelayedTask(this.bufferChecked, this);
- }
- this.checkTask.delay(10);
- },
- // private
- bufferChecked : function(){
- var out = null;
- this.eachItem(function(item){
- if(item.checked){
- out = item;
- return false;
- }
- });
- this.fireEvent('change', this, out);
- },
- onDestroy : function(){
- if(this.checkTask){
- this.checkTask.cancel();
- this.checkTask = null;
- }
- Ext.form.RadioGroup.superclass.onDestroy.call(this);
- }
- });
- Ext.reg('radiogroup', Ext.form.RadioGroup);