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/*******************************************************************************
* Copyright (c) 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.lrparser.xlc.preferences;
import org.eclipse.cdt.core.lrparser.xlc.activator.XlcParserPlugin;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ProjectScope;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.DefaultScope;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.osgi.service.prefs.Preferences;
/**
* TODO trigger the indexer?
*
* @author Mike Kucera
*/
public class XlcLanguagePreferences {
private static final String QUALIFIER = XlcParserPlugin.PLUGIN_ID;
private static final String XLC_PREFERENCES_NODE = "xlc.preferences";
static void initializeDefaultPreferences() {
Preferences defaultNode = getDefaultPreferences();
for(XlcPref p : XlcPref.values()) {
defaultNode.put(p.toString(), p.getDefaultValue());
}
}
public static void setProjectPreference(XlcPref key, String value, IProject project) {
getProjectPreferences(project).put(key.toString(), value);
}
public static void setWorkspacePreference(XlcPref key, String value) {
getWorkspacePreferences().put(key.toString(), value);
}
public static String getProjectPreference(XlcPref key, IProject project) {
return getProjectPreferences(project).get(key.toString(), null);
}
public static String getWorkspacePreference(XlcPref key) {
return getWorkspacePreferences().get(key.toString(), null);
}
public static String getDefaultPreference(XlcPref key) {
return getDefaultPreferences().get(key.toString(), null);
}
/**
* Returns the preference for the given key.
*
* @param project If null then just the workspace and default preferences will be checked.
*/
public static String get(XlcPref key, IProject project) {
return Platform.getPreferencesService().get(key.toString(), null, getPreferences(project));
}
private static Preferences[] getPreferences(IProject project) {
if(project == null) {
return new Preferences[] {
getWorkspacePreferences(),
getDefaultPreferences()
};
}
else {
return new Preferences[] {
getProjectPreferences(project),
getWorkspacePreferences(),
getDefaultPreferences()
};
}
}
private static Preferences getDefaultPreferences() {
return getPreferences(new DefaultScope());
}
private static Preferences getWorkspacePreferences() {
return getPreferences(new InstanceScope());
}
private static Preferences getProjectPreferences(IProject project) {
return getPreferences(new ProjectScope(project));
}
private static Preferences getPreferences(IScopeContext scope) {
return scope.getNode(QUALIFIER).node(XLC_PREFERENCES_NODE);
}
}
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