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comparison 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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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.CompoundVerticalPlacement;
14
15 import dwt.dwthelper.utils;
16 import dwtx.draw2d.graph.DirectedGraph;
17 import dwtx.draw2d.graph.VerticalPlacement;
18 import dwtx.draw2d.graph.CompoundDirectedGraph;
19 import dwtx.draw2d.graph.Subgraph;
20
21 /**
22 * calculates the height and y-coordinates for nodes and subgraphs in a compound directed
23 * graph.
24 * @author Randy Hudson
25 * @since 2.1.2
26 */
27 class CompoundVerticalPlacement : VerticalPlacement {
28
29 /**
30 * @see GraphVisitor#visit(DirectedGraph)
31 * Extended to set subgraph values.
32 */
33 void visit(DirectedGraph dg) {
34 CompoundDirectedGraph g = cast(CompoundDirectedGraph)dg;
35 super.visit(g);
36 for (int i = 0; i < g.subgraphs.size(); i++) {
37 Subgraph s = cast(Subgraph)g.subgraphs.get(i);
38 s.y = s.head.y;
39 s.height = s.tail.height + s.tail.y - s.y;
40 }
41 }
42
43 }