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/*
* @(#)MyPortView.java 3.3 23-APR-04
*
* Copyright (c) 2001-2005, Gaudenz Alder All rights reserved.
*
* See LICENSE file in distribution for licensing details of this source file
*/
package com.jgraph.example;
import java.awt.Graphics;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.net.URL;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import org.jgraph.JGraph;
import org.jgraph.graph.CellViewRenderer;
import org.jgraph.graph.DefaultCellViewFactory;
import org.jgraph.graph.DefaultGraphModel;
import org.jgraph.graph.Port;
import org.jgraph.graph.PortRenderer;
import org.jgraph.graph.PortView;
public class MyPortView extends PortView {
public static void main(String[] args) {
// Switch off D3D because of Sun XOR painting bug
// See http://www.jgraph.com/forum/viewtopic.php?t=4066
System.setProperty("sun.java2d.d3d", "false");
URL portUrl = Main.class.getClassLoader().getResource("org/jgraph/example/resources/port.gif");
if (portUrl != null)
portIcon = new ImageIcon(portUrl);
JFrame frame = new JFrame("PortView");
JGraph graph = new JGraph(new DefaultGraphModel());
graph.getGraphLayoutCache().setFactory(new DefaultCellViewFactory() {
/**
* Constructs a new instance of a PortView view for the specified object
*/
protected PortView createPortView(Port p) {
return new MyPortView(p);
}
});
// Adds something interesting to the model
// now that the new cell view factory is attached.
JGraph.addSampleData(graph.getModel());
graph.setPortsVisible(true);
frame.getContentPane().add(new JScrollPane(graph));
frame.pack();
//frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
protected static ImageIcon portIcon = null;
protected static MyPortRenderer renderer = new MyPortRenderer();
public MyPortView(Object cell) {
super(cell);
}
/**
* Returns the bounds for the port view.
*/
public Rectangle2D getBounds() {
if (portIcon != null) {
Point2D pt = (Point2D) getLocation().clone();
int width = portIcon.getIconWidth();
int height = portIcon.getIconHeight();
Rectangle2D bounds = new Rectangle2D.Double();
bounds.setFrame(pt.getX() - width / 2,
pt.getY() - height / 2,
width,
height);
return bounds;
}
return super.getBounds();
}
public CellViewRenderer getRenderer() {
return renderer;
}
public static class MyPortRenderer extends PortRenderer {
public void paint(Graphics g) {
portIcon.paintIcon(this, g, 0, 0);
}
}
}
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