01: /* Soot - a J*va Optimization Framework
02: * Copyright (C) 2004 Jennifer Lhotak
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2.1 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the
16: * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17: * Boston, MA 02111-1307, USA.
18: */
19:
20: package ca.mcgill.sable.soot.cfg.editParts;
21:
22: import org.eclipse.draw2d.AbstractLayout;
23: import org.eclipse.draw2d.IFigure;
24: import org.eclipse.draw2d.geometry.*;
25: import org.eclipse.draw2d.graph.*;
26: import java.util.*;
27:
28: public class CFGGraphLayoutManager extends AbstractLayout {
29:
30: private CFGGraphEditPart graphPart;
31:
32: public CFGGraphLayoutManager(CFGGraphEditPart graphPart) {
33: setGraphPart(graphPart);
34: }
35:
36: /* (non-Javadoc)
37: * @see org.eclipse.draw2d.AbstractLayout#calculatePreferredSize(org.eclipse.draw2d.IFigure, int, int)
38: */
39: protected Dimension calculatePreferredSize(IFigure arg0, int arg1,
40: int arg2) {
41: return null;
42: }
43:
44: /* (non-Javadoc)
45: * @see org.eclipse.draw2d.LayoutManager#layout(org.eclipse.draw2d.IFigure)
46: */
47: public void layout(IFigure arg0) {
48: DirectedGraph graph = new DirectedGraph();
49: HashMap map = new HashMap();
50: // add nodes and edges to graph
51: // retrieve them from CFGGraphEditPart
52: getGraphPart().contributeNodesToGraph(graph, map);
53: getGraphPart().contributeEdgesToGraph(graph, map);
54: if (graph.nodes.size() != 0) {
55: DirectedGraphLayout layout = new DirectedGraphLayout();
56: layout.visit(graph);
57:
58: getGraphPart().applyGraphResults(graph, map);
59: }
60:
61: }
62:
63: /**
64: * @return
65: */
66: public CFGGraphEditPart getGraphPart() {
67: return graphPart;
68: }
69:
70: /**
71: * @param part
72: */
73: public void setGraphPart(CFGGraphEditPart part) {
74: graphPart = part;
75: }
76:
77: }
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