/*

  * 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.jface;

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.List;

 import org.eclipse.swt.widgets.Tree;

 import org.seasar.uruma.annotation.ComponentAttribute;

 import org.seasar.uruma.annotation.ComponentElement;

 import org.seasar.uruma.annotation.FieldDescription;

 import org.seasar.uruma.annotation.RenderingPolicy;

 import org.seasar.uruma.annotation.RenderingPolicy.ConversionType;

 import org.seasar.uruma.annotation.RenderingPolicy.TargetType;

 /**

  * {@link Tree} を表すコンポーネントです。<br />

  * 

  * @author y-komori

  */

 @ComponentElement

 public class TreeComponent extends CompositeComponent {

     /**

      * ヘッダの表示状態です。<br />

      */

     @RenderingPolicy(conversionType = ConversionType.BOOLEAN)

     @ComponentAttribute

     @FieldDescription("ヘッダの表示状態")

     public String headerVisible;

     /**

      * ラインの表示状態です。<br />

      */

     @RenderingPolicy(conversionType = ConversionType.BOOLEAN)

     @ComponentAttribute

     @FieldDescription("ラインの表示状態")

     public String linesVisible;

     /**

      * デフォルトでツリーを展開する階層です。<br /> 【例】2を指定した場合、常に2階層目まで展開されます。<br />

      */

     @RenderingPolicy(targetType = TargetType.NONE)

     @ComponentAttribute

     @FieldDescription("デフォルトでツリー展開する階層")

     public String autoExpandLevel = "1";

     private List<TreeItemComponent> children = new ArrayList<TreeItemComponent>();

     /**

      * ツリー項目を追加します。<br />

      * 

      * @param child

      *      ツリー項目

      */

     public void addTreeItem(final TreeItemComponent child) {

         children.add(child);

     }

     /**

      * ツリー項目のリストを取得します。<br />

      * 

      * @return ツリー項目のリスト

      */

     public List<TreeItemComponent> getTreeItems() {

         return Collections.unmodifiableList(children);

     }

 }