| /******************************************************************************* |
| * Copyright (c) 2004, 2005 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.jface.bindings.keys.formatting; |
| |
| import java.util.ResourceBundle; |
| |
| import org.eclipse.jface.bindings.keys.IKeyLookup; |
| import org.eclipse.jface.bindings.keys.KeyLookupFactory; |
| import org.eclipse.jface.bindings.keys.KeySequence; |
| import org.eclipse.jface.bindings.keys.KeyStroke; |
| import org.eclipse.jface.util.Util; |
| |
| /** |
| * <p> |
| * A key formatter providing the Emacs-style accelerators using single letters |
| * to represent the modifier keys. |
| * </p> |
| * |
| * @since 3.1 |
| */ |
| public final class EmacsKeyFormatter extends AbstractKeyFormatter { |
| |
| /** |
| * The resource bundle used by <code>format()</code> to translate formal |
| * string representations by locale. |
| */ |
| private final static ResourceBundle RESOURCE_BUNDLE = ResourceBundle |
| .getBundle(EmacsKeyFormatter.class.getName()); |
| |
| /** |
| * Formats an individual key into a human readable format. This converts the |
| * key into a format similar to Xemacs. |
| * |
| * @param key |
| * The key to format; must not be <code>null</code>. |
| * @return The key formatted as a string; should not be <code>null</code>. |
| */ |
| public String format(final int key) { |
| final IKeyLookup lookup = KeyLookupFactory.getDefault(); |
| if (lookup.isModifierKey(key)) { |
| String formattedName = Util.translateString(RESOURCE_BUNDLE, lookup |
| .formalNameLookup(key), null); |
| if (formattedName != null) { |
| return formattedName; |
| } |
| } |
| |
| return super.format(key).toLowerCase(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.bindings.keys.AbstractKeyFormatter#getKeyDelimiter() |
| */ |
| protected String getKeyDelimiter() { |
| return Util.translateString(RESOURCE_BUNDLE, KEY_DELIMITER_KEY, |
| KeyStroke.KEY_DELIMITER); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.bindings.keys.AbstractKeyFormatter#getKeyStrokeDelimiter() |
| */ |
| protected String getKeyStrokeDelimiter() { |
| return Util.translateString(RESOURCE_BUNDLE, KEY_STROKE_DELIMITER_KEY, |
| KeySequence.KEY_STROKE_DELIMITER); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.bindings.keys.AbstractKeyFormatter#sortModifierKeys(int) |
| */ |
| protected int[] sortModifierKeys(int modifierKeys) { |
| final IKeyLookup lookup = KeyLookupFactory.getDefault(); |
| final int[] sortedKeys = new int[4]; |
| int index = 0; |
| |
| if ((modifierKeys & lookup.getAlt()) != 0) { |
| sortedKeys[index++] = lookup.getAlt(); |
| } |
| if ((modifierKeys & lookup.getCommand()) != 0) { |
| sortedKeys[index++] = lookup.getCommand(); |
| } |
| if ((modifierKeys & lookup.getCtrl()) != 0) { |
| sortedKeys[index++] = lookup.getCtrl(); |
| } |
| if ((modifierKeys & lookup.getShift()) != 0) { |
| sortedKeys[index++] = lookup.getShift(); |
| } |
| |
| return sortedKeys; |
| } |
| } |