org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/colors/ColorSettingsManager.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.colors;
  14
  15 import java.util.ArrayList;
  16
  17 import org.eclipse.linuxtools.tmf.core.event.TmfEvent;
  18 import org.eclipse.linuxtools.tmf.ui.TmfUiPlugin;
  19 import org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.widgets.TraceColorScheme;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.widgets.Display;
  22
  23 public class ColorSettingsManager {
  24
  25         private static final String COLOR_SETTINGS_FILE_NAME = "color_settings.xml"; //$NON-NLS-1$
  26         private static final String COLOR_SETTINGS_PATH_NAME =
  27         TmfUiPlugin.getDefault().getStateLocation().addTrailingSeparator().append(COLOR_SETTINGS_FILE_NAME).toString();
  28         private static final ColorSetting DEFAULT_COLOR_SETTING = new ColorSetting(
  29                         Display.getDefault().getSystemColor(SWT.COLOR_LIST_FOREGROUND).getRGB(),
  30                         Display.getDefault().getSystemColor(SWT.COLOR_LIST_BACKGROUND).getRGB(),
  31                         TraceColorScheme.BLACK_STATE,
  32                         null);
  33         public static final int PRIORITY_NONE = Integer.MAX_VALUE;
  34
  35         private static ColorSetting[] fColorSettings = ColorSettingsXML.load(COLOR_SETTINGS_PATH_NAME);
  36         private static ArrayList<IColorSettingsListener> fListeners = new ArrayList<IColorSettingsListener>();
  37
  38         public static ColorSetting[] getColorSettings() {
  39                 return fColorSettings;
  40         }
  41
  42         public static void setColorSettings(ColorSetting[] colorSettings) {
  43                 fColorSettings = colorSettings;
  44                 ColorSettingsXML.save(COLOR_SETTINGS_PATH_NAME, fColorSettings);
  45                 fireColorSettingsChanged();
  46         }
  47
  48         public static ColorSetting getColorSetting(TmfEvent event) {
  49         for (int i = 0; i < fColorSettings.length; i++) {
  50                 ColorSetting colorSetting = fColorSettings[i];
  51                 if (colorSetting.getFilter() != null && colorSetting.getFilter().matches(event)) {
  52                         return colorSetting;
  53                 }
  54         }
  55         return DEFAULT_COLOR_SETTING;
  56         }
  57
  58         public static int getColorSettingPriority(TmfEvent event) {
  59         for (int i = 0; i < fColorSettings.length; i++) {
  60                 ColorSetting colorSetting = fColorSettings[i];
  61                 if (colorSetting.getFilter() != null && colorSetting.getFilter().matches(event)) {
  62                         return i;
  63                 }
  64         }
  65         return PRIORITY_NONE;
  66         }
  67
  68         public static ColorSetting getColorSetting(int priority) {
  69                 if (priority < fColorSettings.length) {
  70                         return fColorSettings[priority];
  71                 }
  72                 return DEFAULT_COLOR_SETTING;
  73         }
  74
  75         public static void addColorSettingsListener(IColorSettingsListener listener) {
  76                 if (! fListeners.contains(listener)) {
  77                         fListeners.add(listener);
  78                 }
  79         }
  80
  81         public static void removeColorSettingsListener(IColorSettingsListener listener) {
  82                 fListeners.remove(listener);
  83         }
  84
  85         private static void fireColorSettingsChanged() {
  86                 for (IColorSettingsListener listener : fListeners) {
  87                         listener.colorSettingsChanged(fColorSettings);
  88                 }
  89         }
  90 }