/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2010 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
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.graphiti.examples.tutorial.features;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IMoveShapeContext;
import org.eclipse.graphiti.features.impl.DefaultMoveShapeFeature;
import org.eclipse.graphiti.mm.pictograms.Shape;
public class TutorialMoveEClassFeature extends DefaultMoveShapeFeature {
public TutorialMoveEClassFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public boolean canMoveShape(IMoveShapeContext context) {
boolean canMove = super.canMoveShape(context);
// perform further check only if move allowed by default feature
if (canMove) {
// don't allow move if the class name has the length of 1
Shape shape = context.getShape();
Object bo = getBusinessObjectForPictogramElement(shape);
if (bo instanceof EClass) {
EClass c = (EClass) bo;
if (c.getName() != null && c.getName().length() == 1) {
canMove = false;
}
}
}
return canMove;
}
}