/** * Copyright 2004-2016 Riccardo Solmi. All rights reserved. * This file is part of the Whole Platform. * * The Whole Platform is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The Whole Platform is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>. */ package org.whole.lang.ui.menu; import org.eclipse.jface.action.GroupMarker; import org.eclipse.jface.action.IContributionItem; import org.eclipse.jface.action.Separator; /** * @author Enrico Persiani */ public abstract class AbstractContainer<I, F> implements IItemContainer<I, F> { protected IContributionItem pendingSeparator; protected AbstractContainer() { this.pendingSeparator = null; } protected void setPendingSeparator(IContributionItem pendingSeparator) { this.pendingSeparator = pendingSeparator; } protected IContributionItem getPendingSeparator() { return pendingSeparator; } protected void addPendingSeparator() { if (this.pendingSeparator != null) { IContributionItem item = pendingSeparator; setPendingSeparator(null); addContributionItem(item); } } public void addSeparator() { setPendingSeparator(new Separator()); } public void addSeparator(String groupName) { setPendingSeparator(hasContributions() ? new Separator(groupName) : new GroupMarker(groupName)); } public void addGroupMarker(String groupName) { setPendingSeparator(new GroupMarker(groupName)); } protected abstract void addContributionItem(IContributionItem item); protected abstract boolean hasContributions(); }