X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/widgets/form/RadioGroup.js

diff --git a/src/widgets/form/RadioGroup.js b/src/widgets/form/RadioGroup.js
new file mode 100644
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+++ b/src/widgets/form/RadioGroup.js
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+/*!
+ * 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);