| /******************************************************************************* |
| * 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.ui.internal.preferences; |
| |
| /** |
| * @since 3.1 |
| */ |
| public abstract class AbstractIntegerListener extends AbstractPropertyListener { |
| |
| private IDynamicPropertyMap map; |
| private int defaultValue; |
| private String propertyId; |
| |
| public AbstractIntegerListener() { |
| } |
| |
| public void attach(IDynamicPropertyMap map, String propertyId, int defaultValue) { |
| this.defaultValue = defaultValue; |
| this.propertyId = propertyId; |
| if (this.map != null) { |
| this.map.removeListener(this); |
| } |
| |
| this.map = map; |
| |
| if (this.map != null) { |
| this.map.addListener(new String[]{propertyId}, this); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.preferences.AbstractPropertyListener#update() |
| */ |
| protected void update() { |
| handleValue(PropertyUtil.get(map, propertyId, defaultValue)); |
| } |
| |
| /** |
| * @param b |
| * @since 3.1 |
| */ |
| protected abstract void handleValue(int b); |
| |
| |
| } |