eclipse/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/TreeParent.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   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, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.eclipse.ui;
  18
  19 import java.util.ArrayList;
  20 import java.util.List;
  21
  22 public class TreeParent extends TreeObject {
  23         private List<TreeObject> children;
  24
  25         private boolean loaded;
  26
  27         public TreeParent(String name) {
  28                 super(name);
  29                 children = new ArrayList<TreeObject>();
  30                 loaded = false;
  31         }
  32
  33         public synchronized void addChild(TreeObject child) {
  34                 loaded = true;
  35                 children.add(child);
  36                 child.setParent(this);
  37         }
  38
  39         public synchronized void removeChild(TreeObject child) {
  40                 children.remove(child);
  41                 child.setParent(null);
  42         }
  43
  44         public synchronized void clearChildren() {
  45                 loaded = false;
  46                 children.clear();
  47         }
  48
  49         public synchronized TreeObject[] getChildren() {
  50                 return (TreeObject[]) children.toArray(new TreeObject[children.size()]);
  51         }
  52
  53         public synchronized boolean hasChildren() {
  54                 return children.size() > 0;
  55         }
  56
  57         public TreeObject getChildByName(String name) {
  58                 for (TreeObject child : children) {
  59                         if (child.getName().equals(name))
  60                                 return child;
  61                 }
  62                 return null;
  63         }
  64
  65         public synchronized Boolean isLoaded() {
  66                 return loaded;
  67         }
  68 }