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         @Override
  50         public String getName() {
  51                 return fTraceFolder.getName();
  52         }
  53
  54         @Override
  55         public void refreshChildren() {
  56                 try {
  57                         IResource[] resources = fTraceFolder.members();
  58                         for (IResource resource : resources) {
  59                                 TmfTraceNode node = find(resource.getName());
  60                                 if (node == null) {
  61                                         node = new TmfTraceNode(this, resource);
  62                                         fChildren.add(node);
  63                                 }
  64                         }
  65                         Iterator<ITmfProjectTreeNode> iterator = fChildren.iterator();
  66                         while (iterator.hasNext()) {
  67                                 ITmfProjectTreeNode node = iterator.next();
  68                         if (!exists(node.getName(), resources)) {
  69                                 iterator.remove();
  70                         }
  71                         }
  72                 } catch (CoreException e) {
  73                 }
  74         }
  75
  76         private TmfTraceNode find(String name) {
  77                 for (ITmfProjectTreeNode node : fChildren) {
  78                         if (node instanceof TmfTraceNode && node.getName().equals(name)) {
  79                                 return (TmfTraceNode) node;
  80                         }
  81                 }
  82                 return null;
  83         }
  84
  85         private boolean exists(String name, IResource[] resources) {
  86         for (IResource resource : resources) {
  87                         if (resource.getName().equals(name))
  88                                 return true;
  89         }
  90                 return false;
  91         }
  92
  93         // ------------------------------------------------------------------------
  94         // Accessors
  95         // ------------------------------------------------------------------------
  96
  97         /**
  98          * @return
  99          */
 100         public TmfProjectNode getProject() {
 101                 return (TmfProjectNode) getParent();
 102         }
 103
 104         /**
 105          * @return
 106          */
 107         public IFolder getFolder() {
 108                 return fTraceFolder;
 109         }
 110
 111         /**
 112          * @return
 113          */
 114         public TmfTraceNode[] getTraces() {
 115                 TmfTraceNode[] result = (TmfTraceNode[]) Array.newInstance(TmfTraceNode.class, fChildren.size());
 116                 return fChildren.toArray(result);
 117         }
 118
 119     /**
 120      * @return
 121      */
 122         public TmfTraceNode getTraceForLocation(IPath location) {
 123             for (ITmfProjectTreeNode node : fChildren) {
 124                 TmfTraceNode trace = (TmfTraceNode) node;
 125                 if (trace.getResource().getLocation().equals(location)) {
 126                     return trace;
 127                 }
 128             }
 129             return null;
 130         }
 131
 132         // ------------------------------------------------------------------------
 133         // Modifiers
 134         // ------------------------------------------------------------------------
 135
 136 //      No longer needed: handled by the IResourceChangeListener in the View
 137         public void addTrace(IFolder trace) {
 138 //              TmfTraceNode node = new TmfTraceNode(this, trace);
 139 //              fChildren.add(node);
 140 //              refresh();
 141         }
 142
 143 }