/*******************************************************************************
* Copyright (c) 2010 itemis AG (http://www.itemis.eu)
* 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:
* Jan Koehnlein - Initial API and implementation
*******************************************************************************/
package com.github.jknack.antlr4ide.ui.railroad.figures;
import java.util.List;
import org.eclipse.draw2d.LayoutManager;
import org.eclipse.emf.ecore.EObject;
import com.github.jknack.antlr4ide.ui.railroad.figures.layout.ParallelLayout;
import com.github.jknack.antlr4ide.ui.railroad.figures.primitives.CrossPoint;
import com.github.jknack.antlr4ide.ui.railroad.figures.primitives.PrimitiveFigureFactory;
/**
* Connects all child segments to a common entry and a common exit {@link CrossPoint}.
*
* @author Jan Koehnlein - Initial contribution and API
*/
public class ParallelSegment extends AbstractSegmentFigure {
public ParallelSegment(final EObject eObject, final List<ISegmentFigure> children,
final PrimitiveFigureFactory primitiveFactory) {
super(eObject);
setEntry(primitiveFactory.createCrossPoint(this));
if (children.isEmpty()) {
setExit(getEntry());
} else {
setExit(primitiveFactory.createCrossPoint(this));
for (ISegmentFigure child : children) {
add(child);
primitiveFactory.createConnection(getEntry(), child.getEntry(), this,
ILayoutConstants.CONCAVE_START);
primitiveFactory.createConnection(child.getExit(), getExit(), this,
ILayoutConstants.CONCAVE_END);
}
}
}
@Override
protected LayoutManager createLayoutManager() {
return new ParallelLayout();
}
}