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comparison dwtx/draw2d/graph/GraphVisitor.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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96:b492ba44e44d 98:95307ad235d9
1 /*******************************************************************************
2 * Copyright (c) 2003, 2005 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.draw2d.graph.GraphVisitor;
14
15 import dwt.dwthelper.utils;
16 import dwtx.draw2d.graph.DirectedGraph;
17
18 /**
19 * Performs some action on a Graph.
20 * @author Randy Hudson
21 * @since 2.1.2
22 */
23 abstract class GraphVisitor {
24
25 /**
26 * Act on the given directed graph.
27 * @param g the graph
28 */
29 void visit(DirectedGraph g) { }
30
31 /**
32 * Called in reverse order of visit.
33 * @since 3.1
34 * @param g the graph to act upon
35 */
36 void revisit(DirectedGraph g) { }
37
38 }