org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/project/model/TmfTraceFolderNode.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.tmf.ui.views.project.model;
  14
  15 import java.lang.reflect.Array;
  16 import java.util.Iterator;
  17
  18 import org.eclipse.core.resources.IFolder;
  19 import org.eclipse.core.resources.IResource;
  20 import org.eclipse.core.runtime.CoreException;
  21 import org.eclipse.core.runtime.IPath;
  22
  23 /**
  24  * <b><u>TmfTraceFolderNode</u></b>
  25  * <p>
  26  * TODO: Implement me. Please.
  27  */
  28 public class TmfTraceFolderNode extends TmfProjectTreeNode {
  29
  30         private final IFolder fTraceFolder;
  31
  32         // ------------------------------------------------------------------------
  33         // Constructors
  34         // ------------------------------------------------------------------------
  35
  36         public TmfTraceFolderNode(IFolder folder) {
  37                 this(null, folder);
  38         }
  39
  40         public TmfTraceFolderNode(ITmfProjectTreeNode parent, IFolder folder) {
  41                 super(parent);
  42                 fTraceFolder = folder;
  43         }
  44
  45         // ------------------------------------------------------------------------
  46         // TmfProjectTreeNode
  47         // ------------------------------------------------------------------------
  48
  49         public String getName() {
  50                 return fTraceFolder.getName();
  51         }
  52
  53         @Override
  54         public void refreshChildren() {
  55                 try {
  56                         IResource[] resources = fTraceFolder.members();
  57                         for (IResource resource : resources) {
  58                                 TmfTraceNode node = find(resource.getName());
  59                                 if (node == null) {
  60                                         node = new TmfTraceNode(this, resource);
  61                                         fChildren.add(node);
  62                                 }
  63                         }
  64                         Iterator<ITmfProjectTreeNode> iterator = fChildren.iterator();
  65                         while (iterator.hasNext()) {
  66                                 ITmfProjectTreeNode node = iterator.next();
  67                         if (!exists(node.getName(), resources)) {
  68                                 iterator.remove();
  69                         }
  70                         }
  71                 } catch (CoreException e) {
  72                 }
  73         }
  74
  75         private TmfTraceNode find(String name) {
  76                 for (ITmfProjectTreeNode node : fChildren) {
  77                         if (node instanceof TmfTraceNode && node.getName().equals(name)) {
  78                                 return (TmfTraceNode) node;
  79                         }
  80                 }
  81                 return null;
  82         }
  83
  84         private boolean exists(String name, IResource[] resources) {
  85         for (IResource resource : resources) {
  86                         if (resource.getName().equals(name))
  87                                 return true;
  88         }
  89                 return false;
  90         }
  91
  92         // ------------------------------------------------------------------------
  93         // Accessors
  94         // ------------------------------------------------------------------------
  95
  96         /**
  97          * @return
  98          */
  99         public TmfProjectNode getProject() {
 100                 return (TmfProjectNode) getParent();
 101         }
 102
 103         /**
 104          * @return
 105          */
 106         public IFolder getFolder() {
 107                 return fTraceFolder;
 108         }
 109
 110         /**
 111          * @return
 112          */
 113         public TmfTraceNode[] getTraces() {
 114                 TmfTraceNode[] result = (TmfTraceNode[]) Array.newInstance(TmfTraceNode.class, fChildren.size());
 115                 return fChildren.toArray(result);
 116         }
 117
 118     /**
 119      * @return
 120      */
 121         public TmfTraceNode getTraceForLocation(IPath location) {
 122             for (ITmfProjectTreeNode node : fChildren) {
 123                 TmfTraceNode trace = (TmfTraceNode) node;
 124                 if (trace.getResource().getLocation().equals(location)) {
 125                     return trace;
 126                 }
 127             }
 128             return null;
 129         }
 130
 131         // ------------------------------------------------------------------------
 132         // Modifiers
 133         // ------------------------------------------------------------------------
 134
 135 //      No longer needed: handled by the IResourceChangeListener in the View
 136         public void addTrace(IFolder trace) {
 137 //              TmfTraceNode node = new TmfTraceNode(this, trace);
 138 //              fChildren.add(node);
 139 //              refresh();
 140         }
 141
 142 }