plugins/org.argeo.slc.client.ui/src/main/java/org/argeo/slc/client/ui/model/ResultParent.java

   1 /*
   2  * Copyright (C) 2007-2012 Mathieu Baudier
   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 package org.argeo.slc.client.ui.model;
  17
  18 import org.argeo.eclipse.ui.TreeParent;
  19
  20 /**
  21  * Common base UI object to build result Tree.
  22  */
  23
  24 public abstract class ResultParent extends TreeParent {
  25
  26         public ResultParent(String name) {
  27                 super(name);
  28         }
  29
  30         private boolean isPassed = true;
  31         private boolean isDisposed = false;
  32
  33         protected synchronized void setPassed(boolean isPassed) {
  34                 this.isPassed = isPassed;
  35         }
  36
  37         public boolean isPassed() {
  38                 return isPassed;
  39         }
  40
  41         @Override
  42         public synchronized boolean hasChildren() {
  43                 // sometimes in UI, disposed objects are still called.
  44                 if (isDisposed)
  45                         return false;
  46                 if (!isLoaded())
  47                         initialize();
  48                 return super.hasChildren();
  49         }
  50
  51         public void forceFullRefresh() {
  52                 if (isDisposed)
  53                         return;
  54                 if (hasChildren())
  55                         clearChildren();
  56                 initialize();
  57         }
  58
  59         public synchronized void dispose() {
  60                 super.dispose();
  61                 isDisposed = true;
  62         }
  63
  64         protected abstract void initialize();
  65
  66 }