2.1/user/src/com/google/gwt/user/client/ui/HasEnabled.java

/*
 * Copyright 2010 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.user.client.ui;

/**
 * A widget that implements this interface can be put in an "enabled"
 * or "disabled" state.
 */
public interface HasEnabled {

  /**
   * @return true if the widget is enabled, false if not
   */
  boolean isEnabled();

  /**
   * Sets whether this widget is enabled.
   * 
   * @param enabled <code>true</code> to enable the widget, <code>false</code>
   *          to disable it
   */
  void setEnabled(boolean enabled);
}