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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.impl;
17  
18  import org.eclipse.jface.viewers.Viewer;
19  import org.eclipse.swt.widgets.Listener;
20  import org.eclipse.swt.widgets.Widget;
21  import org.seasar.uruma.binding.method.EventListenerDef;
22  import org.seasar.uruma.binding.method.GenericListener;
23  import org.seasar.uruma.binding.method.ListenerBinder;
24  import org.seasar.uruma.binding.method.MethodBinding;
25  import org.seasar.uruma.context.PartContext;
26  import org.seasar.uruma.context.WidgetHandle;
27  
28  /**
29   * {@link Viewer} のための {@link ListenerBinder} です。<br />
30   * 
31   * @author y-komori
32   */
33  public class ViewerListenerBinder extends AbstractListenerBinder {
34      /*
35       * @see org.seasar.uruma.binding.method.ListenerBinder#bindListener(org.seasar.uruma.context.WidgetHandle,
36       *      org.seasar.uruma.context.PartContext,
37       *      org.seasar.uruma.binding.method.MethodBinding,
38       *      org.seasar.uruma.binding.method.EventListenerDef)
39       */
40      public Class<?> bindListener(final WidgetHandle handle,
41              final PartContext context, final MethodBinding binding,
42              final EventListenerDef def) {
43          Widget widget = handle.<Viewer> getCastWidget().getControl();
44  
45          Listener listener = new GenericListener(context, binding);
46          widget.addListener(def.getType().getSWTEventType(), listener);
47          return GenericListener.class;
48      }
49  
50      /*
51       * @see org.seasar.uruma.binding.method.ListenerBinder#getTargetCLass()
52       */
53      public Class<?> getTargetCLass() {
54          return Viewer.class;
55      }
56  }