Coverage details for net.sourceforge.demetrix.util.GraphVertexPositioningHelper

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1 /*******************************************************************************
2  * Demetrix process modelling system
3  *
4  * Copyright (c) 2003, 2004 Dimitri A. Pissarenko
5  *
6  * This file is part of Demetrix.
7  *
8  * Demetrix is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2.1 of the License, or
11  * (at your option) any later version.
12  *
13  * Demetrix is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with Demetrix; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  *
22  * For further information you may
23  *
24  * - send an e-mail in Russian, German or English to dimitri.pissarenko@gmx.net
25  * - look at http://sourceforge.net/projects/demetrix/
26  * - look at http://demetrix.sourceforge.net/
27  * - look at http://members.inode.at/d.pissarenko/
28  *
29  *****************************************************************************/
30 /*
31  * Created on 22.01.2004
32  */
33 package net.sourceforge.demetrix.util;
34  
35 import java.awt.Rectangle;
36 import java.util.HashMap;
37 import java.util.Map;
38  
39 import org._3pq.jgrapht.ext.JGraphModelAdapter;
40 import org.jgraph.graph.DefaultGraphCell;
41 import org.jgraph.graph.GraphConstants;
42  
43 /**
44  * @author Dimitri Pissarenko
45  *
46  */
47 public class GraphVertexPositioningHelper {
48     private static GraphVertexPositioningHelper instance;
491    private GraphVertexPositioningHelper() {
501    }
51     public static GraphVertexPositioningHelper getInstance() {
521        if (instance == null) {
531            instance = new GraphVertexPositioningHelper();
54         }
551        return instance;
56     }
57     public void positionVertexAt(
58         Object vertex,
59         int x,
60         int y,
61         JGraphModelAdapter jgraphAdapter) {
620        DefaultGraphCell cell = jgraphAdapter.getVertexCell(vertex);
630        Map attr = cell.getAttributes();
640        Rectangle b = GraphConstants.getBounds(attr);
65  
660        GraphConstants.setBounds(attr, new Rectangle(x, y, b.width, b.height));
67  
680        Map cellAttr = new HashMap();
690        cellAttr.put(cell, attr);
700        jgraphAdapter.edit(cellAttr);
710    }
72 }

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