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/*******************************************************************************
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* Copyright (c) 2003, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.draw2d.graph;
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/**
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* calculates the height and y-coordinates for nodes and subgraphs in a compound
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* directed graph.
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*
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* @author Randy Hudson
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* @since 2.1.2
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*/
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class CompoundVerticalPlacement extends VerticalPlacement {
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/**
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* @see GraphVisitor#visit(DirectedGraph) Extended to set subgraph values.
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*/
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void visit(DirectedGraph dg) {
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CompoundDirectedGraph g = (CompoundDirectedGraph) dg;
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super.visit(g);
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for (int i = 0; i < g.subgraphs.size(); i++) {
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Subgraph s = (Subgraph) g.subgraphs.get(i);
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s.y = s.head.y;
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s.height = s.tail.height + s.tail.y - s.y;
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}
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}
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}
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