org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/timechart/TimeChartDecorationProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 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  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.timechart;
  14
  15 import java.util.HashSet;
  16 import java.util.Set;
  17
  18 import org.eclipse.core.resources.IFile;
  19 import org.eclipse.core.resources.IMarker;
  20 import org.eclipse.core.resources.IResource;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  23 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  24 import org.eclipse.linuxtools.tmf.core.filter.ITmfFilter;
  25
  26 /**
  27  * Provider for decorations in the time chart view
  28  *
  29  * @version 1.0
  30  * @author Patrick Tasse
  31  */
  32 public class TimeChartDecorationProvider {
  33
  34         private final IFile fBookmarksFile;
  35     private final Set<Long> fBookmarksSet = new HashSet<Long>();
  36     private ITmfFilter fFilterFilter;
  37     private ITmfFilter fSearchFilter;
  38
  39         public TimeChartDecorationProvider(IFile bookmarksFile) {
  40             fBookmarksFile = bookmarksFile;
  41             refreshBookmarks();
  42     }
  43
  44         public IFile getBookmarksFile() {
  45                 return fBookmarksFile;
  46         }
  47
  48         public boolean isBookmark(long rank) {
  49             return fBookmarksSet.contains(rank);
  50     }
  51
  52         public void refreshBookmarks() {
  53                 try {
  54                         fBookmarksSet.clear();
  55                 for (IMarker bookmark : fBookmarksFile.findMarkers(IMarker.BOOKMARK, false, IResource.DEPTH_ZERO)) {
  56                         int location = bookmark.getAttribute(IMarker.LOCATION, -1);
  57                         if (location != -1) {
  58                                 Long rank = (long) location;
  59                                 fBookmarksSet.add(rank);
  60                         }
  61                 }
  62         } catch (CoreException e) {
  63             Activator.getDefault().logError("Error refreshing bookmarks", e); //$NON-NLS-1$
  64         }
  65     }
  66
  67         public void filterApplied(ITmfFilter filter) {
  68                 fFilterFilter = filter;
  69     }
  70
  71         public boolean isVisible(ITmfEvent event) {
  72                 if (fFilterFilter != null) {
  73                         return fFilterFilter.matches(event);
  74                 }
  75                 return true;
  76         }
  77
  78         public void searchApplied(ITmfFilter filter) {
  79                 fSearchFilter = filter;
  80     }
  81
  82         public boolean isSearchMatch(ITmfEvent event) {
  83                 if (fSearchFilter != null) {
  84                         return fSearchFilter.matches(event);
  85                 }
  86                 return false;
  87         }
  88
  89 }