sync

Author: tinayuangao

src/lib/radio/radio.ts

@@ -91,6 +91,9 @@ export class MdRadioGroup extends _MdRadioGroupMixinBase
   /** Whether the labels should appear after or before the radio-buttons. Defaults to 'after' */
   private _labelPosition: 'before' | 'after' = 'after';
 
+  /** Whether the radio group is disabled. */
+  private _disabled: boolean = false;
+
   /** The method to be called in order to update ngModel */
   _controlValueAccessorChangeFn: (value: any) => void = (value) => {};
 
@@ -176,6 +179,16 @@ export class MdRadioGroup extends _MdRadioGroupMixinBase
     this._checkSelectedRadioButton();
   }
 
+  /** Whether the radio group is diabled */
+  @Input()
+  get disabled() { return this._disabled; }
+  set disabled(value) {
+    this._disabled = value;
+    if (this._radios) {
+      this._radios.forEach((r) => r._groupValueChanged());
+    }
+  }
+
   constructor(private _change: ChangeDetectorRef) {
     super();
   }
@@ -268,6 +281,7 @@ export class MdRadioGroup extends _MdRadioGroupMixinBase
    */
   setDisabledState(isDisabled: boolean) {
     this.disabled = isDisabled;
+    this._change.markForCheck();
   }
 }