X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/0494b8d9b9bb03ab6c22b34dae81261e3cd7e3e6..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/src/form/RadioGroup.js

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+/**
+ * @class Ext.form.RadioGroup
+ * @extends Ext.form.CheckboxGroup
+ * <p>A {@link Ext.form.FieldContainer field container} which has a specialized layout for arranging
+ * {@link Ext.form.field.Radio} controls into columns, and provides convenience {@link Ext.form.field.Field} methods
+ * for {@link #getValue getting}, {@link #setValue setting}, and {@link #validate validating} the group
+ * of radio buttons as a whole.</p>
+ * <p><b>Validation:</b> Individual radio buttons themselves have no default validation behavior, but
+ * sometimes you want to require a user to select one of a group of radios. RadioGroup
+ * allows this by setting the config <tt>{@link #allowBlank}:false</tt>; when the user does not check at
+ * one of the radio buttons, the entire group will be highlighted as invalid and the
+ * {@link #blankText error message} will be displayed according to the {@link #msgTarget} config.</p>
+ * <p><b>Layout:</b> The default layout for RadioGroup makes it easy to arrange the radio buttons into
+ * columns; see the {@link #columns} and {@link #vertical} config documentation for details. You may also
+ * use a completely different layout by setting the {@link #layout} to one of the other supported layout
+ * types; for instance you may wish to use a custom arrangement of hbox and vbox containers. In that case
+ * the Radio components at any depth will still be managed by the RadioGroup's validation.</p>
+ * <p>Example usage:</p>
+ * <pre><code>
+var myRadioGroup = new Ext.form.RadioGroup({
+    id: 'myGroup',
+    xtype: 'radiogroup',
+    fieldLabel: 'Single Column',
+    // Arrange radio buttons into three columns, distributed vertically
+    columns: 3,
+    vertical: true,
+    items: [
+        {boxLabel: 'Item 1', name: 'rb', inputValue: '1'},
+        {boxLabel: 'Item 2', name: 'rb', inputValue: '2', checked: true},
+        {boxLabel: 'Item 3', name: 'rb', inputValue: '3'}
+        {boxLabel: 'Item 4', name: 'rb', inputValue: '4'}
+        {boxLabel: 'Item 5', name: 'rb', inputValue: '5'}
+        {boxLabel: 'Item 6', name: 'rb', inputValue: '6'}
+    ]
+});
+ * </code></pre>
+ * @constructor
+ * Creates a new RadioGroup
+ * @param {Object} config Configuration options
+ * @xtype radiogroup
+ */
+Ext.define('Ext.form.RadioGroup', {
+    extend: 'Ext.form.CheckboxGroup',
+    alias: 'widget.radiogroup',
+
+    /**
+     * @cfg {Array} items An Array of {@link Ext.form.field.Radio Radio}s or Radio config objects
+     * to arrange in the group.
+     */
+    /**
+     * @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 : 'radiofield',
+    
+    // private
+    groupCls : Ext.baseCSSPrefix + 'form-radio-group',
+
+    getBoxes: function() {
+        return this.query('[isRadio]');
+    }
+
+});