/** * 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.requests; import java.util.Iterator; import org.eclipse.draw2d.IFigure; import org.whole.lang.model.IEntity; import org.whole.lang.ui.editparts.AbstractPart; import org.whole.lang.ui.editparts.IEntityPart; import org.whole.lang.util.OneElementIterator; /** * dragging over a composite * a part at a time is dropped * * @author Riccardo Solmi */ public class DnDOverCompositeRequest extends PartRequest { private IEntityPart dndChild; private IEntity dndChildEntity; private IEntityPart compositePrevChild; public DnDOverCompositeRequest(String requestType, IEntityPart overCompositePart, IEntity dndChildEntity, IEntityPart compositePrevChild) { super(requestType, overCompositePart); this.dndChildEntity = dndChildEntity; this.compositePrevChild = compositePrevChild; } public DnDOverCompositeRequest(String requestType, IEntityPart overCompositePart, IEntityPart dndChild, IEntityPart compositePrevChild) { this(requestType, overCompositePart, (IEntity) dndChild.getModelEntity(), compositePrevChild); this.dndChild = dndChild; } public IEntity getDnDChildEntity() { return dndChildEntity; } public IEntityPart getCompositePrevChild() { return compositePrevChild; } public Iterator<IEntityPart> iterator() { if (dndChild == null) { dndChild = new AbstractPart() { @Override protected IFigure createFigure() { return null; } @SuppressWarnings("unchecked") @Override public IEntity getModelEntity() { return dndChildEntity; } }; } return new OneElementIterator<IEntityPart>(dndChild); } public int size() { return 1; } }