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package org.jgrapht.demo;
 
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Rectangle;
 
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(  );
        Rectangle        b    = GraphConstants.getBounds( attr );
 
        GraphConstants.setBounds( attr, new Rectangle( x, y, b.width, b.height ) );
 
        Map cellAttr = new HashMap(  );
        cellAttr.put( cell, attr );
        m_jgAdapter.edit( cellAttr, null, null, null, null );
    }
}

Main.java:29: error: class JGraphAdapterDemo is public, should be declared in a file named JGraphAdapterDemo.java
public class JGraphAdapterDemo extends JApplet {
       ^
Main.java:13: error: package org.jgraph does not exist
import org.jgraph.JGraph;
                 ^
Main.java:14: error: package org.jgraph.graph does not exist
import org.jgraph.graph.DefaultGraphCell;
                       ^
Main.java:15: error: package org.jgraph.graph does not exist
import org.jgraph.graph.GraphConstants;
                       ^
Main.java:17: error: cannot find symbol
import org.jgrapht.ListenableGraph;
                  ^
  symbol:   class ListenableGraph
  location: package org.jgrapht
Main.java:18: error: package org.jgrapht.ext does not exist
import org.jgrapht.ext.JGraphModelAdapter;
                      ^
Main.java:19: error: package org.jgrapht.graph does not exist
import org.jgrapht.graph.ListenableDirectedGraph;
                        ^
Main.java:20: error: package org.jgrapht.graph does not exist
import org.jgrapht.graph.DefaultEdge;
                        ^
Main.java:34: error: cannot find symbol
    private JGraphModelAdapter m_jgAdapter;
            ^
  symbol:   class JGraphModelAdapter
  location: class JGraphAdapterDemo
Main.java:73: error: cannot find symbol
    private void adjustDisplaySettings( JGraph jg ) {
                                        ^
  symbol:   class JGraph
  location: class JGraphAdapterDemo
Main.java:41: error: cannot find symbol
        ListenableGraph g = new ListenableDirectedGraph( DefaultEdge.class );
        ^
  symbol:   class ListenableGraph
  location: class JGraphAdapterDemo
Main.java:41: error: cannot find symbol
        ListenableGraph g = new ListenableDirectedGraph( DefaultEdge.class );
                                ^
  symbol:   class ListenableDirectedGraph
  location: class JGraphAdapterDemo
Main.java:41: error: cannot find symbol
        ListenableGraph g = new ListenableDirectedGraph( DefaultEdge.class );
                                                         ^
  symbol:   class DefaultEdge
  location: class JGraphAdapterDemo
Main.java:44: error: cannot find symbol
        m_jgAdapter = new JGraphModelAdapter( g );
                          ^
  symbol:   class JGraphModelAdapter
  location: class JGraphAdapterDemo
Main.java:46: error: cannot find symbol
        JGraph jgraph = new JGraph( m_jgAdapter );
        ^
  symbol:   class JGraph
  location: class JGraphAdapterDemo
Main.java:46: error: cannot find symbol
        JGraph jgraph = new JGraph( m_jgAdapter );
                            ^
  symbol:   class JGraph
  location: class JGraphAdapterDemo
Main.java:93: error: cannot find symbol
        DefaultGraphCell cell = m_jgAdapter.getVertexCell( vertex );
        ^
  symbol:   class DefaultGraphCell
  location: class JGraphAdapterDemo
Main.java:95: error: cannot find symbol
        Rectangle        b    = GraphConstants.getBounds( attr );
                                ^
  symbol:   variable GraphConstants
  location: class JGraphAdapterDemo
Main.java:97: error: cannot find symbol
        GraphConstants.setBounds( attr, new Rectangle( x, y, b.width, b.height ) );
        ^
  symbol:   variable GraphConstants
  location: class JGraphAdapterDemo
19 errors

Standard output is empty