Updated version of JGraphAdapterDemo (JGraph + JGraphT)

Here an updated version (2015) of demo published in http://jgrapht.org/visualizations.html package org.jgrapht.demo; import java.awt.Color; import java.awt.Dimension; import java.awt.Rectangle; import java.awt.geom.Rectangle2D; import java.util.HashMap; import java.util.Map; import javax.swing.JApplet; import javax.swing.JFrame; import org.jgraph.JGraph; import org.jgraph.graph.DefaultGraphCell; import org.jgraph.graph.GraphConstants; import org.jgrapht.ListenableGraph; import org.jgrapht.ext.JGraphModelAdapter; import org.jgrapht.graph.ListenableDirectedGraph; import org.jgrapht.graph.DefaultEdge; /** * A demo applet that shows how to use JGraph to visualize JGraphT graphs. * * @author Barak Naveh * * @since Aug 3, 2003 */ public class JGraphAdapterDemo extends JApplet { private static final Color DEFAULT_BG_COLOR = Color.decode( "#FAFBFF" ); private static final Dimension DEFAULT_SIZE = new Dimension( 530, 320 ); // private JGraphModelAdapter m_jgAdapter; /** * @see java.applet.Applet#init(). */ public void init( ) { // create a JGraphT graph ListenableGraph g = new ListenableDirectedGraph( DefaultEdge.class ); // create a visualization using JGraph, via an adapter m_jgAdapter = new JGraphModelAdapter( g ); JGraph jgraph = new JGraph( m_jgAdapter ); adjustDisplaySettings( jgraph ); getContentPane( ).add( jgraph ); resize( DEFAULT_SIZE ); // add some sample data (graph manipulated via JGraphT) g.addVertex( "v1" ); g.addVertex( "v2" ); g.addVertex( "v3" ); g.addVertex( "v4" ); g.addEdge( "v1", "v2" ); g.addEdge( "v2", "v3" ); g.addEdge( "v3", "v1" ); g.addEdge( "v4", "v3" ); // position vertices nicely within JGraph component positionVertexAt( "v1", 130, 40 ); positionVertexAt( "v2", 60, 200 ); positionVertexAt( "v3", 310, 230 ); positionVertexAt( "v4", 380, 70 ); // that's all there is to it!... } private void adjustDisplaySettings( JGraph jg ) { jg.setPreferredSize( DEFAULT_SIZE ); Color c = DEFAULT_BG_COLOR; String colorStr = null; try { colorStr = getParameter( "bgcolor" ); } catch( Exception e ) {} if( colorStr != null ) { c = Color.decode( colorStr ); } jg.setBackground( c ); } private void positionVertexAt( Object vertex, int x, int y ) { DefaultGraphCell cell = m_jgAdapter.getVertexCell( vertex ); Map attr = cell.getAttributes( ); Rectangle2D b = GraphConstants.getBounds( attr ); GraphConstants.setBounds( attr, new Rectangle( x, y, b.OUT_RIGHT, b.OUT_TOP) ); Map cellAttr = new HashMap( ); cellAttr.put( cell, attr ); m_jgAdapter.edit( cellAttr, null, null, null ); } } Maven sources org.jgrapht jgrapht-jdk1.5 0.7.3 jgraph jgraph 5.13.0.0
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