--- /dev/null
+/**********************************************************************
+ * Copyright (c) 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM - Initial API and implementation
+ **********************************************************************/
+package net.sourceforge.phpeclipse.wiki.internal;
+
+import java.io.ByteArrayInputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import net.sourceforge.phpeclipse.webbrowser.internal.Trace;
+import net.sourceforge.phpeclipse.wiki.editor.WikiEditorPlugin;
+
+import org.eclipse.core.runtime.Preferences;
+/**
+ *
+ */
+public class ConfigurationManager {
+ private static final int ADD = 0;
+ private static final int CHANGE = 1;
+ private static final int REMOVE = 2;
+
+ // configurations
+ protected List configurations;
+ protected Map threads = new HashMap();
+
+ protected List monitorListeners = new ArrayList();
+
+ private Preferences.IPropertyChangeListener pcl;
+ protected boolean ignorePreferenceChanges = false;
+
+ protected static ConfigurationManager instance;
+
+ public static ConfigurationManager getInstance() {
+ if (instance == null)
+ instance = new ConfigurationManager();
+ return instance;
+ }
+
+ private ConfigurationManager() {
+ loadConfigurations();
+
+ pcl = new Preferences.IPropertyChangeListener() {
+ public void propertyChange(Preferences.PropertyChangeEvent event) {
+ if (ignorePreferenceChanges)
+ return;
+ String property = event.getProperty();
+ if (property.equals("configurations")) {
+ loadConfigurations();
+ }
+ }
+ };
+
+ WikiEditorPlugin.getDefault().getPluginPreferences().addPropertyChangeListener(pcl);
+ }
+
+ protected void dispose() {
+ WikiEditorPlugin.getDefault().getPluginPreferences().removePropertyChangeListener(pcl);
+ }
+
+ public IConfigurationWorkingCopy createConfiguration() {
+ return new ConfigurationWorkingCopy();
+ }
+
+ public List getConfigurations() {
+ return new ArrayList(configurations);
+ }
+
+ protected void addConfiguration(IConfiguration configuration) {
+ if (!configurations.contains(configuration))
+ configurations.add(configuration);
+ fireConfigurationEvent(configuration, ADD);
+ saveConfigurations();
+ }
+
+ protected boolean isActive(IConfiguration configuration) {
+ return (threads.get(configuration) != null);
+ }
+
+ protected void removeConfiguration(IConfiguration configuration) {
+ configurations.remove(configuration);
+ fireConfigurationEvent(configuration, REMOVE);
+ saveConfigurations();
+ }
+
+ protected void configurationChanged(IConfiguration configuration) {
+ fireConfigurationEvent(configuration, CHANGE);
+ saveConfigurations();
+ }
+
+ /**
+ * Add monitor listener.
+ *
+ * @param listener
+ */
+ public void addConfigurationListener(IConfigurationListener listener) {
+ monitorListeners.add(listener);
+ }
+
+ /**
+ * Remove monitor listener.
+ *
+ * @param listener
+ */
+ public void removeConfigurationListener(IConfigurationListener listener) {
+ monitorListeners.remove(listener);
+ }
+
+ /**
+ * Fire a monitor event.
+ * @param rr
+ * @param fType
+ */
+ protected void fireConfigurationEvent(IConfiguration monitor, int type) {
+ Object[] obj = monitorListeners.toArray();
+
+ int size = obj.length;
+ for (int i = 0; i < size; i++) {
+ IConfigurationListener listener = (IConfigurationListener) obj[i];
+ if (type == ADD)
+ listener.monitorAdded(monitor);
+ else if (type == CHANGE)
+ listener.monitorChanged(monitor);
+ else if (type == REMOVE)
+ listener.monitorRemoved(monitor);
+ }
+ }
+
+
+
+
+ protected void loadConfigurations() {
+ Trace.trace(Trace.FINEST, "Loading Configurations");
+
+ configurations = new ArrayList();
+ Preferences prefs = WikiEditorPlugin.getDefault().getPluginPreferences();
+ String xmlString = prefs.getString("configurations");
+ if (xmlString != null && xmlString.length() > 0) {
+ try {
+ ByteArrayInputStream in = new ByteArrayInputStream(xmlString.getBytes());
+ IMemento memento = XMLMemento.loadMemento(in);
+
+ IMemento[] children = memento.getChildren("config");
+ if (children != null) {
+ int size = children.length;
+ for (int i = 0; i < size; i++) {
+ Configuration monitor = new Configuration();
+ monitor.load(children[i]);
+ configurations.add(monitor);
+ }
+ }
+ } catch (Exception e) {
+ Trace.trace(Trace.WARNING, "Could not load configurations: " + e.getMessage());
+ }
+ }
+ }
+
+ protected void saveConfigurations() {
+ try {
+ ignorePreferenceChanges = true;
+ XMLMemento memento = XMLMemento.createWriteRoot("configurations");
+
+ Iterator iterator = configurations.iterator();
+ while (iterator.hasNext()) {
+ Configuration monitor = (Configuration) iterator.next();
+ IMemento child = memento.createChild("config");
+ monitor.save(child);
+ }
+
+ String xmlString = memento.saveToString();
+ Preferences prefs = WikiEditorPlugin.getDefault().getPluginPreferences();
+ prefs.setValue("configurations", xmlString);
+ WikiEditorPlugin.getDefault().savePluginPreferences();
+ } catch (Exception e) {
+ Trace.trace(Trace.SEVERE, "Could not save Configurations", e);
+ }
+ ignorePreferenceChanges = false;
+ }
+}
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git://git.phpeclipse.com / phpeclipse.git / blobdiff