| /* |
| * Copyright (c) 2015 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.userstorage.ui; |
| |
| import org.eclipse.userstorage.IStorage; |
| import org.eclipse.userstorage.IStorageService; |
| import org.eclipse.userstorage.internal.StorageServiceRegistry; |
| |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class StorageConfigurationComposite extends ServiceSelectorComposite |
| { |
| private final IStorage storage; |
| |
| private IStorageService defaultService; |
| |
| public StorageConfigurationComposite(Composite parent, int style, IStorage storage) |
| { |
| super(parent, style); |
| this.storage = storage; |
| |
| defaultService = storage.getService(); |
| performDefaults(); |
| } |
| |
| public final IStorage getStorage() |
| { |
| return storage; |
| } |
| |
| public final boolean isDirty() |
| { |
| IStorageService selectedService = getSelectedService(); |
| return selectedService != defaultService; |
| } |
| |
| public final boolean performDefaults() |
| { |
| if (isDirty()) |
| { |
| setSelectedService(defaultService); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public final boolean performApply() |
| { |
| if (isDirty()) |
| { |
| defaultService = getSelectedService(); |
| storage.setService(defaultService); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| protected void serviceRemoved(IStorageService service) |
| { |
| IStorageService selectedService = getSelectedService(); |
| if (service == selectedService) |
| { |
| service = StorageServiceRegistry.INSTANCE.getFirstService(); |
| setSelectedService(service); |
| } |
| } |
| } |