View Javadoc

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.component.factory.handler;
17  
18  import org.seasar.framework.xml.TagHandlerContext;
19  import org.seasar.uruma.component.jface.TreeComponent;
20  import org.seasar.uruma.component.jface.TreeItemComponent;
21  import org.xml.sax.Attributes;
22  
23  /**
24   * <code>treeItem</code> 要素に対応するタグハンドラです。<br />
25   * 
26   * @author y-komori
27   */
28  public class TreeItemTagHandler extends GenericTagHandler {
29  
30      private static final long serialVersionUID = -260321293575249423L;
31  
32      /**
33       * {@link TreeItemTagHandler} を構築します。<br />
34       */
35      public TreeItemTagHandler() {
36          super(TreeItemComponent.class);
37      }
38  
39      /*
40       * @see org.seasar.uruma.component.factory.handler.GenericTagHandler#getElementPath()
41       */
42      @Override
43      public String getElementPath() {
44          return "treeItem";
45      }
46  
47      /*
48       * @see org.seasar.uruma.component.factory.handler.GenericTagHandler#start(org.seasar.framework.xml.TagHandlerContext,
49       *      org.xml.sax.Attributes)
50       */
51      @Override
52      public void start(final TagHandlerContext context,
53              final Attributes attributes) {
54          Object parent = context.peek();
55          super.start(context, attributes);
56          TreeItemComponent treeItem = (TreeItemComponent) context.peek();
57  
58          if (parent instanceof TreeComponent) {
59              TreeComponent tree = (TreeComponent) parent;
60              tree.addTreeItem(treeItem);
61          } else if (parent instanceof TreeItemComponent) {
62              TreeItemComponent parentTreeItem = (TreeItemComponent) parent;
63              parentTreeItem.addTreeItem(treeItem);
64              treeItem.setParentTreeItem(parentTreeItem);
65          }
66      }
67  }