| /******************************************************************************* |
| * <copyright> |
| * |
| * Copyright (c) 2005, 2012 SAP AG. |
| * 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: |
| * SAP AG - initial API, implementation and documentation |
| * Benjamin Schmeling - mwenz - Bug 367483 - Support composite connections |
| * |
| * </copyright> |
| * |
| *******************************************************************************/ |
| package org.eclipse.graphiti.testtool.sketch.features.create; |
| |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.graphiti.features.IFeatureProvider; |
| import org.eclipse.graphiti.features.context.ICreateConnectionContext; |
| import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm; |
| import org.eclipse.graphiti.mm.algorithms.Polyline; |
| import org.eclipse.graphiti.mm.algorithms.styles.LineStyle; |
| import org.eclipse.graphiti.mm.algorithms.styles.Point; |
| import org.eclipse.graphiti.mm.pictograms.Anchor; |
| import org.eclipse.graphiti.mm.pictograms.Connection; |
| import org.eclipse.graphiti.mm.pictograms.FreeFormConnection; |
| import org.eclipse.graphiti.mm.pictograms.Shape; |
| import org.eclipse.graphiti.services.Graphiti; |
| import org.eclipse.graphiti.services.ICreateService; |
| import org.eclipse.graphiti.testtool.sketch.SketchUtil; |
| import org.eclipse.graphiti.util.IColorConstant; |
| |
| /** |
| * The Class AbstractSketchCreateSimpleConnectionFeature. |
| */ |
| abstract class AbstractSketchCreateSimpleConnectionFeature extends AbstractSketchCreateConnectionFeature { |
| |
| /** |
| * Instantiates a new abstract sketch create simple connection feature. |
| * |
| * @param fp |
| * the fp |
| * @param name |
| * the name |
| * @param description |
| * the description |
| */ |
| public AbstractSketchCreateSimpleConnectionFeature(IFeatureProvider fp, String name, String description) { |
| super(fp, name, description); |
| } |
| |
| @SuppressWarnings("unused") |
| public Connection create(ICreateConnectionContext context) { |
| |
| ICreateService cs = Graphiti.getCreateService(); |
| |
| Anchor startAnchor = context.getSourceAnchor(); |
| Anchor endAnchor = context.getTargetAnchor(); |
| |
| if (startAnchor == null && (context.getSourcePictogramElement() instanceof Connection)) { |
| |
| Shape s = SketchUtil.createConnectionPoint(context.getSourceLocation(), getDiagram()); |
| startAnchor = cs.createChopboxAnchor(s); |
| |
| Connection splitConnection = (Connection) context.getSourcePictogramElement(); |
| createConnection(splitConnection.getStart(), startAnchor); |
| createConnection(startAnchor, splitConnection.getEnd()); |
| |
| EcoreUtil.delete(splitConnection); |
| } |
| |
| if (endAnchor == null && (context.getTargetPictogramElement() instanceof Connection)) { |
| Shape s = SketchUtil.createConnectionPoint(context.getTargetLocation(), getDiagram()); |
| endAnchor = cs.createChopboxAnchor(s); |
| |
| Connection splitConnection = (Connection) context.getTargetPictogramElement(); |
| createConnection(splitConnection.getStart(), endAnchor); |
| createConnection(endAnchor, splitConnection.getEnd()); |
| |
| EcoreUtil.delete(splitConnection); |
| } |
| |
| if (startAnchor == null || endAnchor == null) { |
| return null; |
| } |
| |
| Connection connection = createConnection(startAnchor, endAnchor); |
| |
| /* add bend point midway */ |
| if (false && connection instanceof FreeFormConnection) { |
| GraphicsAlgorithm startGa = startAnchor.getParent().getGraphicsAlgorithm(); |
| GraphicsAlgorithm endGa = endAnchor.getParent().getGraphicsAlgorithm(); |
| int startAnchorX = startGa.getX() + startGa.getWidth() / 2; |
| int startAnchorY = startGa.getY() + startGa.getHeight() / 2; |
| int endAnchorX = endGa.getX() + endGa.getWidth() / 2; |
| int endAnchorY = endGa.getY() + endGa.getHeight() / 2; |
| int bendpointX = (startAnchorX + endAnchorX) / 2; |
| int bendpointY = (startAnchorY + endAnchorY) / 2; |
| Point bendpoint = Graphiti.getGaCreateService().createPoint(bendpointX, bendpointY); |
| ((FreeFormConnection) connection).getBendpoints().add(bendpoint); |
| } |
| return connection; |
| } |
| |
| /** |
| * Creates the connection. |
| * |
| * @return the connection |
| */ |
| protected abstract Connection createConnection(); |
| |
| protected Connection createConnection(Anchor startAnchor, Anchor endAnchor) { |
| Connection connection = createConnection(); |
| |
| createVisualization(connection); |
| setAnchors(startAnchor, endAnchor, connection); |
| |
| return connection; |
| } |
| |
| protected void setAnchors(Anchor startAnchor, Anchor endAnchor, Connection connection) { |
| connection.setStart(startAnchor); |
| connection.setEnd(endAnchor); |
| } |
| |
| protected void createVisualization(Connection connection) { |
| Polyline p = Graphiti.getCreateService().createPolyline(connection); |
| p.setLineWidth(3); |
| p.setForeground(manageColor(IColorConstant.LIGHT_BLUE)); |
| p.setLineStyle(LineStyle.DASHDOT); |
| } |
| } |