org.eclipse.bpmn2.modeler.core/src/org/eclipse/bpmn2/modeler/core/features/DirectEditFlowElementFeature.java

/******************************************************************************* 
 * Copyright (c) 2011 Red Hat, Inc. 
 *  All rights reserved. 
 * This program is 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: 
 * Red Hat, Inc. - initial API and implementation 
 *
 * @author Ivar Meikas
 ******************************************************************************/
package org.eclipse.bpmn2.modeler.core.features;

import org.eclipse.bpmn2.FlowElement;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IDirectEditingContext;
import org.eclipse.graphiti.features.impl.AbstractDirectEditingFeature;
import org.eclipse.graphiti.mm.algorithms.Text;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.mm.pictograms.Shape;

public class DirectEditFlowElementFeature extends AbstractDirectEditingFeature {

	public DirectEditFlowElementFeature(IFeatureProvider fp) {
		super(fp);
	}

	@Override
	public int getEditingType() {
		return TYPE_TEXT;
	}

	@Override
	public String getInitialValue(IDirectEditingContext context) {
		return getBusinessObject(context).getName();
	}

	@Override
	public void setValue(String value, IDirectEditingContext context) {
		getBusinessObject(context).setName(value);
		PictogramElement e = context.getPictogramElement();
		updatePictogramElement(((Shape) e).getContainer());
	}

	@Override
	public boolean canDirectEdit(IDirectEditingContext context) {
		PictogramElement pe = context.getPictogramElement();
		Object bo = getBusinessObjectForPictogramElement(pe);
		return bo != null && bo instanceof FlowElement && context.getGraphicsAlgorithm() instanceof Text;
	}

	private FlowElement getBusinessObject(IDirectEditingContext context) {
		return (FlowElement) getBusinessObjectForPictogramElement(context.getPictogramElement());
	}
}