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1   /*
2    * Copyright 2004-2008 the Seasar Foundation and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of 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,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.uruma.binding.method;
17  
18  import org.eclipse.jface.window.Window;
19  import org.seasar.uruma.context.PartContext;
20  
21  /**
22   * ウィンドウを閉じる直前に呼び出されるリスナクラスです。<br />
23   * 
24   * @author y-komori
25   */
26  public class WindowCloseListener extends AbstractGenericListener {
27  
28      /**
29       * {@link WindowCloseListener} を構築します。<br />
30       * 
31       * @param context
32       *            {@link PartContext} オブジェクト
33       * @param methodBinding
34       *            {@link MethodBinding} オブジェクト
35       */
36      public WindowCloseListener(final PartContext context,
37              final MethodBinding methodBinding) {
38          super(context, methodBinding);
39      }
40  
41      /**
42       * ウィンドウクローズを許可してよいかを調べます。<br />
43       * 
44       * @return ウィンドウクローズを許可する場合は <code>true</code>、 許可しない場合は
45       *         <code>false</code>。
46       */
47      public boolean canWindowClose(final Window window) {
48          Object ret = invokeMethod();
49          if (ret instanceof Boolean) {
50              return ((Boolean) ret).booleanValue();
51          } else {
52              return true;
53          }
54      }
55  }