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annotate dwtx/draw2d/graph/CompoundVerticalPlacement.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.CompoundVerticalPlacement;
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14
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15 import dwt.dwthelper.utils;
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16 import dwtx.draw2d.graph.DirectedGraph;
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17 import dwtx.draw2d.graph.VerticalPlacement;
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18 import dwtx.draw2d.graph.CompoundDirectedGraph;
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19 import dwtx.draw2d.graph.Subgraph;
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20
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21 /**
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22 * calculates the height and y-coordinates for nodes and subgraphs in a compound directed
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23 * graph.
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24 * @author Randy Hudson
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25 * @since 2.1.2
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26 */
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27 class CompoundVerticalPlacement : VerticalPlacement {
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29 /**
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30 * @see GraphVisitor#visit(DirectedGraph)
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31 * Extended to set subgraph values.
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32 */
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33 void visit(DirectedGraph dg) {
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34 CompoundDirectedGraph g = cast(CompoundDirectedGraph)dg;
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35 super.visit(g);
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36 for (int i = 0; i < g.subgraphs.size(); i++) {
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37 Subgraph s = cast(Subgraph)g.subgraphs.get(i);
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38 s.y = s.head.y;
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39 s.height = s.tail.height + s.tail.y - s.y;
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40 }
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41 }
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42
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43 }