EmacsPlusNoEditHandler.java

/**
 * Copyright (c) 2009, 2010 Mark Feber, MulgaSoft
 *
 * 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
 *
 */
package com.mulgasoft.emacsplus.commands;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.ui.texteditor.ITextEditor;

/**
 * @author Mark Feber - initial API and implementation
 */
public abstract class EmacsPlusNoEditHandler extends EmacsPlusCmdHandler implements INonEditingCommand {

	protected static final int FORWARD = 1;
	protected static final int BACKWARD = -1;

	// A non-edit command never modifies the offset
	protected int transform(ITextEditor editor, IDocument document, ITextSelection currentSelection,
			ExecutionEvent event) throws BadLocationException {
		return NO_OFFSET;
	}
}