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diff --git a/archive/net.sourceforge.phpeclipse.css.ui/src/net/sourceforge/phpeclipse/css/ui/internal/editor/CommentAction.java b/archive/net.sourceforge.phpeclipse.css.ui/src/net/sourceforge/phpeclipse/css/ui/internal/editor/CommentAction.java
new file mode 100644
index 0000000..b92b1ee
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.css.ui/src/net/sourceforge/phpeclipse/css/ui/internal/editor/CommentAction.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2003-2004 Christopher Lenz 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:
+ *     Christopher Lenz - initial API and implementation
+ * 
+ * $Id: CommentAction.java,v 1.1 2004-09-02 18:11:50 jsurfer Exp $
+ */
+
+package net.sourceforge.phpeclipse.css.ui.internal.editor;
+
+import java.util.ResourceBundle;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRewriteTarget;
+import org.eclipse.jface.text.ITextSelection;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.texteditor.IDocumentProvider;
+import org.eclipse.ui.texteditor.ITextEditor;
+import org.eclipse.ui.texteditor.ITextEditorExtension2;
+import org.eclipse.ui.texteditor.TextEditorAction;
+
+/**
+ * (Heavily inspired by the AddBlockComment class in JDT-UI)
+ */
+public class CommentAction extends TextEditorAction {
+
+	// Constructors ------------------------------------------------------------
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param bundle the resource bundle
+	 * @param prefix a prefix to be prepended to the various resource keys
+	 *        (described in <code>ResourceAction</code> constructor), or 
+	 *        <code>null</code> if none
+	 * @param editor the text editor
+	 */
+	public CommentAction(ResourceBundle bundle, String prefix,
+		ITextEditor editor) {
+		super(bundle, prefix, editor);
+	}
+	
+	// TextEditorAction Implementation -----------------------------------------
+
+	/**
+	 * @see org.eclipse.jface.action.Action#run()
+	 */
+	public void run() {
+		if (!isEnabled()) {
+			return;
+		}
+		ITextEditor editor = getTextEditor();
+		if ((editor == null) || !ensureEditable(editor)) {
+			return;
+		}
+		ITextSelection selection = getCurrentSelection();
+		if (!validSelection(selection)) {
+			return;
+		}
+		IDocumentProvider docProvider = editor.getDocumentProvider();
+		IEditorInput input = editor.getEditorInput();
+		if (docProvider == null || input == null) {
+			return;
+		}
+		IDocument document = docProvider.getDocument(input);
+		if (document == null) {
+			return;
+		}
+		IRewriteTarget target = (IRewriteTarget) 
+			editor.getAdapter(IRewriteTarget.class);
+		if (target != null) {
+			target.beginCompoundChange();
+		}
+		try {
+			int offset = selection.getOffset();
+			String start = "/*"; //$NON-NLS-1$
+			document.replace(offset, 0, start);
+			document.replace(offset + selection.getLength() + start.length(), 0,
+				"*/"); //$NON-NLS-1$
+		} catch (BadLocationException e) {
+			// ignore
+		} finally {
+			if (target != null) {
+				target.endCompoundChange();
+			}
+		}
+	}
+	
+	/**
+	 * @see org.eclipse.ui.texteditor.TextEditorAction#update()
+	 */
+	public void update() {
+		super.update();
+		if (isEnabled()) {
+			if (!validSelection(getCurrentSelection())) {
+				setEnabled(false);
+			}
+		}
+	}
+	
+	// Private Methods ---------------------------------------------------------
+
+	/**
+	 * Ensures that the editor is modifyable. If the editor is an instance of
+	 * <code>ITextEditorExtension2</code>, its 
+	 * <code>validateEditorInputState</code> method is called, otherwise, the 
+	 * result of <code>isEditable</code> is returned.
+	 * 
+	 * @param editor the editor to be checked
+	 * @return <code>true</code> if the editor is editable, <code>false</code> 
+	 *         otherwise
+	 */
+	private boolean ensureEditable(ITextEditor editor) {
+		if (editor instanceof ITextEditorExtension2) {
+			ITextEditorExtension2 extension = (ITextEditorExtension2) editor;
+			return extension.validateEditorInputState();
+		}
+		return editor.isEditable();
+	}
+
+	/**
+	 * Returns the editor's selection, or <code>null</code> if no selection can 
+	 * be obtained or the editor is <code>null</code>.
+	 * 
+	 * @return the selection of the action's editor, or <code>null</code>
+	 */
+	private ITextSelection getCurrentSelection() {
+		ITextEditor editor = getTextEditor();
+		if (editor != null) {
+			ISelectionProvider provider = editor.getSelectionProvider();
+			if (provider != null) {
+				ISelection selection = provider.getSelection();
+				if (selection instanceof ITextSelection) {
+					return (ITextSelection) selection;
+				}
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Checks whether <code>selection</code> is valid, i.e. neither 
+	 * <code>null</code> or empty.
+	 * 
+	 * @param selection the selection to check
+	 * @return <code>true</code> if the selection is valid, <code>false</code> 
+	 *         otherwise
+	 */
+	private boolean validSelection(ITextSelection selection) {
+		if (selection != null) {
+			return (!selection.isEmpty() && (selection.getLength() > 0));
+		}
+		return false;
+	}
+
+}