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annotate dwtx/draw2d/graph/InvertEdges.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2003, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.draw2d.graph.InvertEdges;
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14
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15 import dwt.dwthelper.utils;
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16 import dwtx.draw2d.graph.GraphVisitor;
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17 import dwtx.draw2d.graph.DirectedGraph;
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18 import dwtx.draw2d.graph.Edge;
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19
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20 /**
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21 * Inverts any edges which are marked as backwards or "feedback" edges.
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22 *
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23 * @author Daniel Lee
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24 * @since 2.1.2
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25 */
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26 class InvertEdges : GraphVisitor {
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27
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28 /**
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29 *
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30 * @see GraphVisitor#visit(dwtx.draw2d.graph.DirectedGraph)
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31 */
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32 public void visit(DirectedGraph g) {
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33 for (int i = 0; i < g.edges.size(); i++) {
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34 Edge e = g.edges.getEdge(i);
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35 if (e.isFeedback)
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36 e.invert();
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37 }
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38 }
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39
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40 }