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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.renderer.impl;
17  
18  import org.eclipse.swt.widgets.Control;
19  import org.eclipse.swt.widgets.TabItem;
20  import org.seasar.uruma.component.UIComponent;
21  import org.seasar.uruma.component.UIElement;
22  import org.seasar.uruma.component.jface.TabItemComponent;
23  import org.seasar.uruma.context.PartContext;
24  import org.seasar.uruma.context.WidgetHandle;
25  
26  /**
27   * {@link TabItem} のレンダリングを行うクラスです。<br />
28   * 
29   * @author bskuroneko
30   */
31  public class TabItemRenderer extends
32          AbstractWidgetRenderer<TabItemComponent, TabItem> {
33  
34      /*
35       * @see org.seasar.uruma.renderer.impl.AbstractWidgetRenderer#doRender(org.seasar.uruma.component.UIComponent,
36       *      org.eclipse.swt.widgets.Widget)
37       */
38      @Override
39      protected void doRender(final TabItemComponent controlComponent,
40              final TabItem control) {
41          // Do nothing.
42      }
43  
44      /*
45       * @see org.seasar.uruma.renderer.impl.AbstractWidgetRenderer#doRenderAfter(org.eclipse.swt.widgets.Widget,
46       *      org.seasar.uruma.component.UIComponent,
47       *      org.seasar.uruma.context.WidgetHandle,
48       *      org.seasar.uruma.context.PartContext)
49       */
50      @Override
51      protected void doRenderAfter(final TabItem widget,
52              final TabItemComponent uiComponent, final WidgetHandle parent,
53              final PartContext context) {
54          setControl(widget, uiComponent);
55      }
56  
57      private void setControl(final TabItem tabItem,
58              final TabItemComponent tabItemComponent) {
59          UIElement content = tabItemComponent.getChild();
60          if ((content != null) && (content instanceof UIComponent)) {
61              String id = ((UIComponent) content).getId();
62              WidgetHandle handle = getContext().getWidgetHandle(id);
63              if (handle.instanceOf(Control.class)) {
64                  Control control = handle.<Control> getCastWidget();
65                  tabItem.setControl(control);
66              }
67          }
68      }
69  
70      /*
71       * @see org.seasar.uruma.renderer.impl.AbstractWidgetRenderer#getWidgetType()
72       */
73      @Override
74      protected Class<TabItem> getWidgetType() {
75          return TabItem.class;
76      }
77  }