| /******************************************************************************* |
| * <copyright> |
| * |
| * Copyright (c) 2012, 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 |
| * mwenz - Bug 342869 - Image doesn't scale the contained SWT Image on resize |
| * |
| * </copyright> |
| * |
| *******************************************************************************/ |
| package org.eclipse.graphiti.testtool.sketch.features; |
| |
| import org.eclipse.emf.ecore.EAttribute; |
| import org.eclipse.graphiti.features.IFeatureProvider; |
| import org.eclipse.graphiti.features.context.IContext; |
| import org.eclipse.graphiti.features.context.ICustomContext; |
| import org.eclipse.graphiti.features.custom.AbstractCustomFeature; |
| import org.eclipse.graphiti.mm.algorithms.AlgorithmsPackage; |
| import org.eclipse.graphiti.mm.algorithms.Image; |
| import org.eclipse.graphiti.mm.pictograms.Diagram; |
| import org.eclipse.graphiti.mm.pictograms.PictogramElement; |
| import org.eclipse.graphiti.mm.pictograms.Shape; |
| |
| /** |
| * The Class SetImageAttributesFeature. |
| */ |
| public class SetImageAttributesFeature extends AbstractCustomFeature { |
| |
| public static final int ATTRIBUTE_STRETCH_HORIZONTALLY = 0; |
| public static final int ATTRIBUTE_STRETCH_VERTICALLY = 1; |
| public static final int ATTRIBUTE_PROPORTIONAL = 2; |
| |
| private Image image; |
| private int attribute; |
| |
| public SetImageAttributesFeature(IFeatureProvider fp, ICustomContext context, int attribute) { |
| super(fp); |
| PictogramElement[] pes = context.getPictogramElements(); |
| if (pes != null && pes.length > 0 && pes[0] instanceof Shape && pes[0].getGraphicsAlgorithm() instanceof Image) { |
| this.image = (org.eclipse.graphiti.mm.algorithms.Image) pes[0].getGraphicsAlgorithm(); |
| } |
| this.attribute = attribute; |
| } |
| |
| @Override |
| public String getName() { |
| EAttribute attrInst = getAttrInst(); |
| Object value; |
| if (image != null) { |
| value = image.eGet(attrInst); |
| } else { |
| value = "<n/a>"; |
| } |
| switch (attribute) { |
| case ATTRIBUTE_STRETCH_HORIZONTALLY: |
| return "Stretch Horizontally (current value: " + value.toString() + ")"; |
| case ATTRIBUTE_STRETCH_VERTICALLY: |
| return "Stretch Vertically (current value: " + value.toString() + ")"; |
| case ATTRIBUTE_PROPORTIONAL: |
| return "Proportional (current value: " + value.toString() + ")"; |
| default: |
| return "<Error>"; |
| } |
| } |
| |
| @Override |
| public boolean canExecute(ICustomContext context) { |
| return true; |
| } |
| |
| public void execute(ICustomContext context) { |
| PictogramElement[] pes = context.getPictogramElements(); |
| if (pes != null && pes.length > 0 && pes[0] instanceof Shape) { |
| org.eclipse.graphiti.mm.algorithms.Image image = (org.eclipse.graphiti.mm.algorithms.Image) pes[0] |
| .getGraphicsAlgorithm(); |
| |
| EAttribute attrInst = getAttrInst(); |
| |
| Boolean value = (Boolean) image.eGet(attrInst); |
| image.eSet(attrInst, !value.booleanValue()); |
| } |
| } |
| |
| private EAttribute getAttrInst() { |
| EAttribute attrInst; |
| switch (attribute) { |
| case ATTRIBUTE_STRETCH_HORIZONTALLY: |
| attrInst = AlgorithmsPackage.eINSTANCE.getImage_StretchH(); |
| break; |
| case ATTRIBUTE_STRETCH_VERTICALLY: |
| attrInst = AlgorithmsPackage.eINSTANCE.getImage_StretchV(); |
| break; |
| case ATTRIBUTE_PROPORTIONAL: |
| attrInst = AlgorithmsPackage.eINSTANCE.getImage_Proportional(); |
| break; |
| default: |
| attrInst = null; |
| break; |
| } |
| return attrInst; |
| } |
| |
| @Override |
| public boolean isAvailable(IContext context) { |
| if (context instanceof ICustomContext) { |
| PictogramElement[] pes = ((ICustomContext) context).getPictogramElements(); |
| if (pes == null || pes.length > 1) { |
| return false; |
| } |
| PictogramElement pe = pes[0]; |
| if (pe instanceof Shape && pe.getGraphicsAlgorithm() instanceof org.eclipse.graphiti.mm.algorithms.Image |
| && !(pe instanceof Diagram)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |