/*******************************************************************************
* Copyright (c) 2010-2015 Henshin developers. 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:
* TU Berlin, University of Luxembourg, SES S.A.
*******************************************************************************/
/**
*
*/
package de.tub.tfs.henshin.editor.editparts.flow_diagram.graphical;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.MidpointLocator;
import org.eclipse.draw2d.PolygonDecoration;
import org.eclipse.draw2d.PolylineConnection;
import org.eclipse.gef.EditPolicy;
import de.tub.tfs.henshin.editor.editparts.HenshinEditPolicy;
import de.tub.tfs.henshin.editor.editparts.SimpleEndpointEditPartPolicy;
import de.tub.tfs.henshin.editor.editparts.flow_diagram.TransitionClipboardEditPolicy;
import de.tub.tfs.henshin.editor.editparts.flow_diagram.TransitionComponentEditPolicy;
import de.tub.tfs.henshin.model.flowcontrol.ConditionalElement;
import de.tub.tfs.henshin.model.flowcontrol.Transition;
import de.tub.tfs.muvitor.gef.editparts.AdapterConnectionEditPart;
/**
* @author nam
*
*/
public class TransitionEditpart extends AdapterConnectionEditPart<Transition> {
/**
* Constructs an {@link TransitionEditpart} for a given {@link Transition}.
*/
public TransitionEditpart(Transition model) {
super(model);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.editparts.AbstractEditPart#createEditPolicies()
*/
@Override
protected void createEditPolicies() {
installEditPolicy(EditPolicy.COMPONENT_ROLE,
new TransitionComponentEditPolicy());
installEditPolicy(EditPolicy.CONNECTION_ENDPOINTS_ROLE,
new SimpleEndpointEditPartPolicy());
installEditPolicy(HenshinEditPolicy.CLIPBOARD_ROLE,
new TransitionClipboardEditPolicy());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.editparts.AbstractConnectionEditPart#createFigure()
*/
@Override
protected IFigure createFigure() {
PolylineConnection connection = new PolylineConnection();
PolygonDecoration decoration = new PolygonDecoration();
decoration.setTemplate(PolygonDecoration.TRIANGLE_TIP);
connection.setTargetDecoration(decoration);
connection.setLineWidth(2);
if (getCastedModel().isAlternate()) {
ConditionalElement prevous = (ConditionalElement) getCastedModel()
.getPrevous();
Label conditionLbl = new Label("[" + prevous.getAlternativeLabel()
+ "]");
conditionLbl.setOpaque(true);
connection.add(conditionLbl, new MidpointLocator(connection, 0));
}
return connection;
}
}