org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/project/model/LTTngProjectTreeNode.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.lttng.ui.views.project.model;
  14
  15 import java.util.ArrayList;
  16 import java.util.List;
  17
  18 /**
  19  * <b><u>LTTngProjectTreeNode</u></b>
  20  * <p>
  21  * TODO: Implement me. Please.
  22  */
  23 public abstract class LTTngProjectTreeNode implements ILTTngProjectTreeNode {
  24
  25         protected ILTTngProjectTreeNode fParent = null;
  26         protected List<ILTTngProjectTreeNode> fChildren = null;
  27
  28         // ------------------------------------------------------------------------
  29         // Constructor
  30         // ------------------------------------------------------------------------
  31
  32         public LTTngProjectTreeNode(ILTTngProjectTreeNode parent) {
  33                 fParent = parent;
  34                 fChildren = new ArrayList<ILTTngProjectTreeNode>();
  35         }
  36
  37         @Override
  38         public String toString() {
  39                 return getName();
  40         }
  41
  42         // ------------------------------------------------------------------------
  43         // ILTTngProjectTreeNode
  44         // ------------------------------------------------------------------------
  45
  46         public ILTTngProjectTreeNode getParent() {
  47                 return fParent;
  48         }
  49
  50         public boolean hasChildren() {
  51                 return fChildren.size() > 0;
  52         }
  53
  54         public List<ILTTngProjectTreeNode> getChildren() {
  55                 return fChildren;
  56         }
  57
  58         public abstract void refreshChildren();
  59
  60         public void refresh() {
  61                 fParent.refresh();
  62         }
  63
  64         public void removeChild(ILTTngProjectTreeNode child) {
  65         for (ILTTngProjectTreeNode node : fChildren) {
  66                 if (node == child) {
  67                         node.removeChildren();
  68                         // We can do it since we are returning right away
  69                         fChildren.remove(node);
  70                         return;
  71                 }
  72         }
  73         }
  74
  75         public void removeChildren() {
  76         for (ILTTngProjectTreeNode node : fChildren) {
  77                         node.removeChildren();
  78         }
  79                 fChildren.clear();
  80         }
  81
  82 }