tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/tmf/ui/markers/MarkerUtils.java

   1 /*******************************************************************************
   2  * Copyright (c) 2017 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.tracecompass.internal.tmf.ui.markers;
  14
  15 import org.eclipse.jdt.annotation.Nullable;
  16 import org.eclipse.jface.dialogs.IDialogSettings;
  17 import org.eclipse.tracecompass.internal.tmf.core.markers.MarkerConfigXmlParser;
  18 import org.eclipse.tracecompass.internal.tmf.core.markers.MarkerSet;
  19 import org.eclipse.tracecompass.internal.tmf.ui.Activator;
  20
  21 /**
  22  * Utility class for markers
  23  */
  24 public class MarkerUtils {
  25
  26     private static final String MARKER_SET_KEY = "marker.set"; //$NON-NLS-1$
  27
  28     private static MarkerSet fDefaultMarkerSet = null;
  29
  30     /**
  31      * Get the default marker set
  32      *
  33      * @return the default marker set, or null if none is set
  34      */
  35     public static synchronized @Nullable MarkerSet getDefaultMarkerSet() {
  36         String id = getDialogSettings().get(MARKER_SET_KEY);
  37         if (id == null) {
  38             fDefaultMarkerSet = null;
  39         } else {
  40             if (fDefaultMarkerSet == null || !fDefaultMarkerSet.getId().equals(id)) {
  41                 for (MarkerSet markerSet : MarkerConfigXmlParser.getMarkerSets()) {
  42                     if (markerSet.getId().equals(id)) {
  43                         fDefaultMarkerSet = markerSet;
  44                     }
  45                 }
  46             }
  47         }
  48         return fDefaultMarkerSet;
  49     }
  50
  51     /**
  52      * Set the default marker set
  53      *
  54      * @param markerSet
  55      *            the default marker set, or null to set none
  56      */
  57     public static synchronized void setDefaultMarkerSet(@Nullable MarkerSet markerSet) {
  58         fDefaultMarkerSet = markerSet;
  59         String id = (markerSet == null) ? null : markerSet.getId();
  60         getDialogSettings().put(MARKER_SET_KEY, id);
  61     }
  62
  63     private static IDialogSettings getDialogSettings() {
  64         IDialogSettings settings = Activator.getDefault().getDialogSettings();
  65         IDialogSettings dialogSettings = settings.getSection(MarkerUtils.class.getName());
  66         if (dialogSettings == null) {
  67             dialogSettings = settings.addNewSection(MarkerUtils.class.getName());
  68         }
  69         return dialogSettings;
  70     }
  71 }