/*******************************************************************************
* 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.SequenceLayout;
import com.github.jknack.antlr4ide.ui.railroad.figures.primitives.CrossPoint;
import com.github.jknack.antlr4ide.ui.railroad.figures.primitives.PrimitiveFigureFactory;
/**
* A sequence of segments.
*
* @author Jan Koehnlein - Initial contribution and API
*/
public class SequenceSegment extends AbstractSegmentFigure {
public SequenceSegment(final EObject eObject, final List<ISegmentFigure> body,
final PrimitiveFigureFactory primitiveFactory) {
super(eObject);
if (body.isEmpty()) {
setEntry(primitiveFactory.createCrossPoint(this));
setExit(getEntry());
} else {
boolean isFirst = true;
CrossPoint currentEnd = null;
for (ISegmentFigure child : body) {
if (isFirst) {
setEntry(child.getEntry());
isFirst = false;
} else {
primitiveFactory.createConnection(currentEnd, child.getEntry(), this);
}
add(child);
currentEnd = child.getExit();
}
setExit(currentEnd);
}
}
@Override
protected LayoutManager createLayoutManager() {
return new SequenceLayout();
}
}