org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/project/model/LTTngProjectNode.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 import org.eclipse.core.resources.IFolder;
  19 import org.eclipse.core.resources.IProject;
  20 import org.eclipse.core.resources.IResource;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.linuxtools.lttng.ui.views.project.LTTngProjectNature;
  23
  24 /**
  25  * <b><u>LTTngProjectNode</u></b>
  26  * <p>
  27  * TODO: Implement me. Please.
  28  */
  29 public class LTTngProjectNode extends LTTngProjectTreeNode {
  30
  31         public static final String TRACE_FOLDER_NAME = "Traces";
  32         public static final String EXPER_FOLDER_NAME = "Experiments";
  33
  34         private final IProject fProject;
  35         private boolean fIsLTTngProject;
  36         private boolean fIsOpen;
  37         private LTTngTraceFolderNode fTracesFolder;
  38         private LTTngExperimentFolderNode fExperimentsFolder;
  39
  40         // ------------------------------------------------------------------------
  41         // Constructors
  42         // ------------------------------------------------------------------------
  43
  44         public LTTngProjectNode(IProject project) {
  45                 this(null, project);
  46         }
  47
  48         public LTTngProjectNode(ILTTngProjectTreeNode parent, IProject project) {
  49                 super(parent);
  50                 fProject = project;
  51                 updateState();
  52         }
  53
  54         // ------------------------------------------------------------------------
  55         // LTTngProjectTreeNode
  56         // ------------------------------------------------------------------------
  57
  58         public String getName() {
  59                 return fProject.getName();
  60         }
  61
  62         @Override
  63         public void refreshChildren() {
  64
  65                 if (!(fIsOpen && fIsLTTngProject))
  66                         return;
  67
  68                 try {
  69                         IResource[] resources = fProject.members();
  70                         for (IResource resource : resources) {
  71                                 if (resource.getType() == IResource.FOLDER) {
  72                                         String name = resource.getName();
  73                                         if (name.equals(TRACE_FOLDER_NAME) && !isIncluded(true, name, fChildren)) {
  74                                                 fTracesFolder = new LTTngTraceFolderNode(this, (IFolder) resource);
  75                                                 fChildren.add(fTracesFolder);
  76                                         } else
  77                                         if (name.equals(EXPER_FOLDER_NAME) && !isIncluded(false, name, fChildren)) {
  78                                                 fExperimentsFolder = new LTTngExperimentFolderNode(this, (IFolder) resource);
  79                                                 fChildren.add(fExperimentsFolder);
  80                                         }
  81                                 }
  82                         }
  83                 List<ILTTngProjectTreeNode> toRemove = new ArrayList<ILTTngProjectTreeNode>();
  84                 for (ILTTngProjectTreeNode node : fChildren) {
  85                         if (exists(node.getName(), resources)) {
  86                                 node.refreshChildren();
  87                         }
  88                         else {
  89                                 toRemove.add(node);
  90                         }
  91                 }
  92                 for (ILTTngProjectTreeNode node : toRemove) {
  93                         fChildren.remove(node);
  94                 }
  95
  96                 } catch (CoreException e) {
  97                 }
  98         }
  99
 100         private boolean isIncluded(boolean isTraces, String name, List<ILTTngProjectTreeNode> list) {
 101                 boolean found = false;
 102                 for (ILTTngProjectTreeNode node : list) {
 103                         if (node instanceof LTTngTraceFolderNode && isTraces) {
 104                                 found |= node.getName().equals(name);
 105                         } else
 106                         if (node instanceof LTTngExperimentFolderNode && !isTraces) {
 107                                 found |= node.getName().equals(name);
 108                         }
 109                 }
 110                 return found;
 111         }
 112
 113         private boolean exists(String name, IResource[] resources) {
 114         for (IResource resource : resources) {
 115                         if (resource.getName().equals(name))
 116                                 return true;
 117         }
 118                 return false;
 119         }
 120
 121         // ------------------------------------------------------------------------
 122         // Modifiers
 123         // ------------------------------------------------------------------------
 124
 125         public void openProject() {
 126                 try {
 127                         fProject.open(null);
 128                         updateState();
 129                         refreshChildren();
 130                 } catch (CoreException e) {
 131                         e.printStackTrace();
 132                 }
 133         }
 134
 135         public void closeProject() {
 136                 try {
 137                         fProject.close(null);
 138                         updateState();
 139                         removeChildren();
 140                 } catch (CoreException e) {
 141                         e.printStackTrace();
 142                 }
 143         }
 144
 145         private boolean isLTTngProject(IProject project) {
 146                 boolean result = false;
 147                 if (project != null && project.isAccessible()) {
 148                         try {
 149                                 result = project.hasNature(LTTngProjectNature.ID);
 150                         } catch (CoreException e) {
 151                         }
 152                 }
 153                 return result;
 154         }
 155
 156         public void updateState() {
 157                 fIsOpen = (fProject != null) ? fProject.isAccessible() : false;
 158                 fIsLTTngProject = isLTTngProject(fProject);
 159         }
 160
 161         // ------------------------------------------------------------------------
 162         // Accessors
 163         // ------------------------------------------------------------------------
 164
 165         /**
 166          * @return
 167          */
 168         public boolean isLTTngProject() {
 169                 return fIsLTTngProject;
 170         }
 171
 172         /**
 173          * @return
 174          */
 175         public boolean isOpen() {
 176                 return fIsOpen;
 177         }
 178
 179         /**
 180          * @return
 181          */
 182         public IProject getProject() {
 183                 return fProject;
 184         }
 185
 186         /**
 187          * @return
 188          */
 189         public LTTngTraceFolderNode getTracesFolder() {
 190                 return fTracesFolder;
 191         }
 192
 193         /**
 194          * @return
 195          */
 196         public LTTngExperimentFolderNode getExperimentsFolder() {
 197                 return fExperimentsFolder;
 198         }
 199
 200 }