/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.uruma.component.factory.handler;

 import org.seasar.framework.xml.TagHandlerContext;

 import org.seasar.uruma.component.jface.TreeComponent;

 import org.seasar.uruma.component.jface.TreeItemComponent;

 import org.xml.sax.Attributes;

 /**

  * <code>treeItem</code> 要素に対応するタグハンドラです。<br />

  * 

  * @author y-komori

  */

 public class TreeItemTagHandler extends GenericTagHandler {

     private static final long serialVersionUID = -260321293575249423L;

     /**

      * {@link TreeItemTagHandler} を構築します。<br />

      */

     public TreeItemTagHandler() {

         super(TreeItemComponent.class);

     }

     /*

      * @see org.seasar.uruma.component.factory.handler.GenericTagHandler#getElementPath()

      */

     @Override

     public String getElementPath() {

         return "treeItem";

     }

     /*

      * @see org.seasar.uruma.component.factory.handler.GenericTagHandler#start(org.seasar.framework.xml.TagHandlerContext,

      *      org.xml.sax.Attributes)

      */

     @Override

     public void start(final TagHandlerContext context,

             final Attributes attributes) {

         Object parent = context.peek();

         super.start(context, attributes);

         TreeItemComponent treeItem = (TreeItemComponent) context.peek();

         if (parent instanceof TreeComponent) {

             TreeComponent tree = (TreeComponent) parent;

             tree.addTreeItem(treeItem);

         } else if (parent instanceof TreeItemComponent) {

             TreeItemComponent parentTreeItem = (TreeItemComponent) parent;

             parentTreeItem.addTreeItem(treeItem);

             treeItem.setParentTreeItem(parentTreeItem);

         }

     }

 }