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         public String getName() {
  48                 return fTraceFolder.getName();
  49         }
  50
  51         @Override
  52         public void refreshChildren() {
  53                 try {
  54                         IResource[] resources = fTraceFolder.members();
  55                         for (IResource resource : resources) {
  56                                 if (resource instanceof IFolder) {
  57                                         LTTngTraceNode node = find(resource.getName());
  58                                         if (node == null) {
  59                                                 node = new LTTngTraceNode(this, (IFolder) resource);
  60                                                 fChildren.add(node);
  61                                         }
  62                                 }
  63                         }
  64                 for (ILTTngProjectTreeNode node : fChildren) {
  65                         if (!exists(node.getName(), resources)) {
  66                                 fChildren.remove(node);
  67                         }
  68                 }
  69                 } catch (CoreException e) {
  70                 }
  71         }
  72
  73         private LTTngTraceNode find(String name) {
  74                 for (ILTTngProjectTreeNode node : fChildren) {
  75                         if (node instanceof LTTngTraceNode && node.getName().equals(name)) {
  76                                 return (LTTngTraceNode) node;
  77                         }
  78                 }
  79                 return null;
  80         }
  81
  82         private boolean exists(String name, IResource[] resources) {
  83         for (IResource resource : resources) {
  84                         if (resource.getName().equals(name))
  85                                 return true;
  86         }
  87                 return false;
  88         }
  89
  90         // ------------------------------------------------------------------------
  91         // Accessors
  92         // ------------------------------------------------------------------------
  93
  94         /**
  95          * @return
  96          */
  97         public LTTngProjectNode getProject() {
  98                 return (LTTngProjectNode) getParent();
  99         }
 100
 101         /**
 102          * @return
 103          */
 104         public IFolder getFolder() {
 105                 return fTraceFolder;
 106         }
 107
 108         /**
 109          * @return
 110          */
 111         public LTTngTraceNode[] getTraces() {
 112                 LTTngTraceNode[] result = (LTTngTraceNode[]) Array.newInstance(LTTngTraceNode.class, fChildren.size());
 113                 return fChildren.toArray(result);
 114         }
 115
 116         // ------------------------------------------------------------------------
 117         // Modifiers
 118         // ------------------------------------------------------------------------
 119
 120 //      No longer needed: handled by the IResourceChangeListener in the View
 121         public void addTrace(IFolder trace) {
 122 //              LTTngTraceNode node = new LTTngTraceNode(this, trace);
 123 //              fChildren.add(node);
 124 //              refresh();
 125         }
 126
 127 }