org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/project/model/LTTngTraceFolderNode.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.lang.reflect.Array;
  16
  17 import org.eclipse.core.resources.IFolder;
  18 import org.eclipse.core.resources.IResource;
  19 import org.eclipse.core.runtime.CoreException;
  20
  21 /**
  22  * <b><u>LTTngTraceFolderNode</u></b>
  23  * <p>
  24  * TODO: Implement me. Please.
  25  */
  26 public class LTTngTraceFolderNode extends LTTngProjectTreeNode {
  27
  28         private final IFolder fTraceFolder;
  29
  30         // ------------------------------------------------------------------------
  31         // Constructors
  32         // ------------------------------------------------------------------------
  33
  34         public LTTngTraceFolderNode(IFolder folder) {
  35                 this(null, folder);
  36         }
  37
  38         public LTTngTraceFolderNode(ILTTngProjectTreeNode parent, IFolder folder) {
  39                 super(parent);
  40                 fTraceFolder = folder;
  41         }
  42
  43         // ------------------------------------------------------------------------
  44         // LTTngProjectTreeNode
  45         // ------------------------------------------------------------------------
  46
  47         @Override
  48         public String getName() {
  49                 return fTraceFolder.getName();
  50         }
  51
  52         @Override
  53         public void refreshChildren() {
  54                 try {
  55                         IResource[] resources = fTraceFolder.members();
  56                         for (IResource resource : resources) {
  57                                 if (resource instanceof IFolder) {
  58                                         LTTngTraceNode node = find(resource.getName());
  59                                         if (node == null) {
  60                                                 node = new LTTngTraceNode(this, (IFolder) resource);
  61                                                 fChildren.add(node);
  62                                         }
  63                                 }
  64                         }
  65                 for (ILTTngProjectTreeNode node : fChildren) {
  66                         if (!exists(node.getName(), resources)) {
  67                                 fChildren.remove(node);
  68                         }
  69                 }
  70                 } catch (CoreException e) {
  71                 }
  72         }
  73
  74         private LTTngTraceNode find(String name) {
  75                 for (ILTTngProjectTreeNode node : fChildren) {
  76                         if (node instanceof LTTngTraceNode && node.getName().equals(name)) {
  77                                 return (LTTngTraceNode) node;
  78                         }
  79                 }
  80                 return null;
  81         }
  82
  83         private boolean exists(String name, IResource[] resources) {
  84         for (IResource resource : resources) {
  85                         if (resource.getName().equals(name))
  86                                 return true;
  87         }
  88                 return false;
  89         }
  90
  91         // ------------------------------------------------------------------------
  92         // Accessors
  93         // ------------------------------------------------------------------------
  94
  95         /**
  96          * @return
  97          */
  98         public LTTngProjectNode getProject() {
  99                 return (LTTngProjectNode) getParent();
 100         }
 101
 102         /**
 103          * @return
 104          */
 105         public IFolder getFolder() {
 106                 return fTraceFolder;
 107         }
 108
 109         /**
 110          * @return
 111          */
 112         public LTTngTraceNode[] getTraces() {
 113                 LTTngTraceNode[] result = (LTTngTraceNode[]) Array.newInstance(LTTngTraceNode.class, fChildren.size());
 114                 return fChildren.toArray(result);
 115         }
 116
 117         // ------------------------------------------------------------------------
 118         // Modifiers
 119         // ------------------------------------------------------------------------
 120
 121 //      No longer needed: handled by the IResourceChangeListener in the View
 122         public void addTrace(IFolder trace) {
 123 //              LTTngTraceNode node = new LTTngTraceNode(this, trace);
 124 //              fChildren.add(node);
 125 //              refresh();
 126         }
 127
 128 }