| package org.eclipse.papyrus.moka.parametric.ui.dnd; |
| |
| import java.util.List; |
| |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gmf.runtime.common.core.command.CompositeCommand; |
| import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart; |
| import org.eclipse.gmf.runtime.diagram.ui.requests.DropObjectsRequest; |
| import org.eclipse.gmf.runtime.emf.type.core.ElementTypeRegistry; |
| import org.eclipse.gmf.runtime.emf.type.core.ISpecializationType; |
| import org.eclipse.papyrus.infra.gmfdiag.dnd.strategy.ExpansionElementDropStrategy; |
| import org.eclipse.papyrus.moka.parametric.ui.dnd.command.BlockCreationCommand; |
| import org.eclipse.papyrus.sysml14.service.types.util.SysMLServiceTypeUtil; |
| import org.eclipse.papyrus.uml.diagram.composite.edit.parts.ClassCompositeCompartmentEditPart; |
| |
| public class BlockDropStrategy extends ExpansionElementDropStrategy { |
| |
| private static final int LOWEST_PRIORITY = -1000; |
| private static final String INTERNAL_STRUCTURE_ID = ClassCompositeCompartmentEditPart.VISUAL_ID; |
| |
| public BlockDropStrategy() { |
| |
| } |
| |
| @Override |
| public Command doGetCommand(Request request, final EditPart targetEditPart) { |
| final CompositeCommand cc = new CompositeCommand(getLabel()); |
| if (targetEditPart instanceof GraphicalEditPart) { |
| IGraphicalEditPart graphicalEditPart = (IGraphicalEditPart) targetEditPart; |
| List<EObject> sourceElements = getSourceEObjects(request); |
| if (sourceElements.isEmpty()) { |
| return null; |
| } |
| |
| final ISpecializationType constraintPropertyElementType = (ISpecializationType) ElementTypeRegistry |
| .getInstance().getType(SysMLServiceTypeUtil.ORG_ECLIPSE_PAPYRUS_SYSML14_CONSTRAINTBLOCK); |
| if (INTERNAL_STRUCTURE_ID.equals(graphicalEditPart.getNotationView().getType())) { |
| |
| final EObject targetElement = getTargetSemanticElement(targetEditPart); |
| for (EObject sourceElement : sourceElements) { |
| if (constraintPropertyElementType.getMatcher().matches(sourceElement)) { |
| |
| Point dropedPoint = null; |
| if (request instanceof DropObjectsRequest) { |
| dropedPoint = ((DropObjectsRequest) request).getLocation(); |
| } |
| |
| cc.add(new BlockCreationCommand("Create the corresponding constraint block parameter.", |
| graphicalEditPart, targetElement, sourceElement, dropedPoint)); |
| } |
| } |
| } |
| } |
| return cc.canExecute() ? new ICommandProxy(cc.reduce()) : null; |
| } |
| |
| @Override |
| public String getID() { |
| return "org.eclipse.papyrus.moka.parametric.ui.dnd.BlockDropStrategy"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getLabel() { |
| return "Constraint Block inside a Parametric diagram"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getDescription() { |
| return "This strategy is is a specialization in order to be able to drop a Constraint Block inside a Parametric diagram."; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public int getPriority() { |
| return LOWEST_PRIORITY; |
| } |
| |
| @Override |
| public String getCategoryID() { |
| return "org.eclipse.papyrus.moka.parametric.ui"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getCategoryLabel() { |
| return "Parametric Constraint Block Drag and Drop"; //$NON-NLS-1$ |
| } |
| } |