package org.eclipse.graphiti.examples.tutorial.features;
 
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;
    }
}