--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 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 Corporation - initial API and implementation
+ *******************************************************************************/
+
+package net.sourceforge.phpdt.internal.ui.text.spelling;
+
+import java.net.URL;
+import java.util.StringTokenizer;
+
+import net.sourceforge.phpdt.core.JavaCore;
+import net.sourceforge.phpdt.internal.ui.text.spelling.engine.AbstractSpellDictionary;
+
+import org.eclipse.core.runtime.Plugin;
+import org.eclipse.core.runtime.Preferences.IPropertyChangeListener;
+import org.eclipse.core.runtime.Preferences.PropertyChangeEvent;
+
+/**
+ * Dictionary for task tags.
+ *
+ * @since 3.0
+ */
+public class TaskTagDictionary extends AbstractSpellDictionary implements
+ IPropertyChangeListener {
+
+ /*
+ * @see net.sourceforge.phpdt.internal.ui.text.spelling.engine.AbstractSpellDictionary#getName()
+ */
+ protected final URL getURL() {
+ return null;
+ }
+
+ /*
+ * @see net.sourceforge.phpdt.ui.text.spelling.engine.AbstractSpellDictionary#load(java.net.URL)
+ */
+ protected boolean load(final URL url) {
+
+ final Plugin plugin = JavaCore.getPlugin();
+ if (plugin != null) {
+
+ plugin.getPluginPreferences().addPropertyChangeListener(this);
+ return updateTaskTags();
+ }
+ return false;
+ }
+
+ /*
+ * @see org.eclipse.core.runtime.Preferences.IPropertyChangeListener#propertyChange(org.eclipse.core.runtime.Preferences.PropertyChangeEvent)
+ */
+ public void propertyChange(final PropertyChangeEvent event) {
+
+ if (JavaCore.COMPILER_TASK_TAGS.equals(event.getProperty()))
+ updateTaskTags();
+ }
+
+ /*
+ * @see net.sourceforge.phpdt.ui.text.spelling.engine.ISpellDictionary#unload()
+ */
+ public void unload() {
+
+ final Plugin plugin = JavaCore.getPlugin();
+ if (plugin != null)
+ plugin.getPluginPreferences().removePropertyChangeListener(this);
+
+ super.unload();
+ }
+
+ /**
+ * Handles the compiler task tags property change event.
+ */
+ private boolean updateTaskTags() {
+
+ final String tags = JavaCore.getOption(JavaCore.COMPILER_TASK_TAGS);
+ if (tags != null) {
+
+ unload();
+
+ final StringTokenizer tokenizer = new StringTokenizer(tags, ","); //$NON-NLS-1$
+ while (tokenizer.hasMoreTokens())
+ hashWord(tokenizer.nextToken());
+
+ return true;
+ }
+ return false;
+ }
+}