| /********************************************************************* |
| * Copyright (c) 2005, 2019 SAP SE |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * SAP SE - initial API, implementation and documentation |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| **********************************************************************/ |
| package org.eclipse.graphiti.features.impl; |
| |
| import org.eclipse.graphiti.features.IFeatureProvider; |
| import org.eclipse.graphiti.features.IMoveConnectionDecoratorFeature; |
| import org.eclipse.graphiti.features.context.IContext; |
| import org.eclipse.graphiti.features.context.IMoveConnectionDecoratorContext; |
| import org.eclipse.graphiti.internal.Messages; |
| import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm; |
| import org.eclipse.graphiti.mm.pictograms.ConnectionDecorator; |
| |
| /** |
| * The Class DefaultMoveConnectionDecoratorFeature. |
| */ |
| public class DefaultMoveConnectionDecoratorFeature extends AbstractFeature implements IMoveConnectionDecoratorFeature { |
| |
| private static final String NAME = Messages.DefaultMoveConnectionDecoratorFeature_0_xfld; |
| |
| /** |
| * Creates a new {@link DefaultMoveConnectionDecoratorFeature}. |
| * |
| * @param fp |
| * the feature provider |
| */ |
| public DefaultMoveConnectionDecoratorFeature(IFeatureProvider fp) { |
| super(fp); |
| } |
| |
| public boolean canMoveConnectionDecorator(IMoveConnectionDecoratorContext context) { |
| return true; |
| } |
| |
| public void moveConnectionDecorator(IMoveConnectionDecoratorContext context) { |
| if (!getUserDecision()) { |
| return; |
| } |
| int posX = context.getX(); |
| int posY = context.getY(); |
| |
| ConnectionDecorator connectionDecorator = context.getConnectionDecorator(); |
| GraphicsAlgorithm ga = connectionDecorator.getGraphicsAlgorithm(); |
| ga.setX(posX); |
| ga.setY(posY); |
| } |
| |
| public boolean canExecute(IContext context) { |
| boolean ret = false; |
| if (context instanceof IMoveConnectionDecoratorContext) { |
| ret = canMoveConnectionDecorator((IMoveConnectionDecoratorContext) context); |
| } |
| return ret; |
| } |
| |
| public void execute(IContext context) { |
| if (context instanceof IMoveConnectionDecoratorContext) { |
| IMoveConnectionDecoratorContext moveConnectionDecoratorContext = (IMoveConnectionDecoratorContext) context; |
| if (moveConnectionDecoratorContext.isExecuteAllowed()) { |
| moveConnectionDecorator(moveConnectionDecoratorContext); |
| } |
| } |
| } |
| |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| } |