ClickListenerCollection


1   /*
2    * Copyright 2007 Google Inc.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5    * use this file except in compliance with the License. You may obtain a copy of
6    * the License at
7    * 
8    * http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations under
14   * the License.
15   */
16  package com.google.gwt.user.client.ui;
17  
18  import java.util.ArrayList  ;
19  import java.util.Iterator  ;
20  
21  /**
22   * A helper class for implementers of the SourcesClickEvents interface. This
23   * subclass of {@linkArrayList} assumes that all objects added to it will be of
24   * type {@link com.google.gwt.user.client.ui.ClickListener}.
25   */
26  public class ClickListenerCollection extends ArrayList   {
27  
28    /**
29     * Fires a click event to all listeners.
30     * 
31     * @param sender the widget sending the event.
32     */
33    public void fireClick(Widget sender) {
34      for (Iterator   it = iterator(); it.hasNext();) {
35        ClickListener listener = (ClickListener) it.next();
36        listener.onClick(sender);
37      }
38    }
39  }
40

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