edu.uci.ics.jung.samples.LensDemo Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jung-samples Show documentation
Show all versions of jung-samples Show documentation
Sample programs using JUNG. Nearly all JUNG capabilities are demonstrated here.
Please study the source code for these examples prior to asking how to do something.
The newest version!
/*
* Copyright (c) 2003, The JUNG Authors
* All rights reserved.
*
* This software is open-source under the BSD license; see either "license.txt"
* or https://github.com/jrtom/jung/blob/master/LICENSE for a description.
*
*/
package edu.uci.ics.jung.samples;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.HashMap;
import java.util.Map;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.ButtonGroup;
import javax.swing.Icon;
import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.plaf.basic.BasicLabelUI;
import com.google.common.base.Function;
import com.google.common.base.Functions;
import edu.uci.ics.jung.algorithms.layout.FRLayout;
import edu.uci.ics.jung.algorithms.layout.Layout;
import edu.uci.ics.jung.algorithms.layout.StaticLayout;
import edu.uci.ics.jung.graph.Graph;
import edu.uci.ics.jung.graph.SparseGraph;
import edu.uci.ics.jung.graph.util.TestGraphs;
import edu.uci.ics.jung.visualization.DefaultVisualizationModel;
import edu.uci.ics.jung.visualization.GraphZoomScrollPane;
import edu.uci.ics.jung.visualization.Layer;
import edu.uci.ics.jung.visualization.VisualizationModel;
import edu.uci.ics.jung.visualization.VisualizationViewer;
import edu.uci.ics.jung.visualization.control.CrossoverScalingControl;
import edu.uci.ics.jung.visualization.control.DefaultModalGraphMouse;
import edu.uci.ics.jung.visualization.control.LensMagnificationGraphMousePlugin;
import edu.uci.ics.jung.visualization.control.ModalLensGraphMouse;
import edu.uci.ics.jung.visualization.control.ScalingControl;
import edu.uci.ics.jung.visualization.decorators.PickableEdgePaintTransformer;
import edu.uci.ics.jung.visualization.decorators.PickableVertexPaintTransformer;
import edu.uci.ics.jung.visualization.decorators.ToStringLabeller;
import edu.uci.ics.jung.visualization.picking.PickedState;
import edu.uci.ics.jung.visualization.transform.HyperbolicTransformer;
import edu.uci.ics.jung.visualization.transform.LayoutLensSupport;
import edu.uci.ics.jung.visualization.transform.LensSupport;
import edu.uci.ics.jung.visualization.transform.MagnifyTransformer;
import edu.uci.ics.jung.visualization.transform.shape.HyperbolicShapeTransformer;
import edu.uci.ics.jung.visualization.transform.shape.MagnifyShapeTransformer;
import edu.uci.ics.jung.visualization.transform.shape.ViewLensSupport;
/**
* Demonstrates the use of HyperbolicTransform
* and MagnifyTransform
* applied to either the model (graph layout) or the view
* (VisualizationViewer)
* The hyperbolic transform is applied in an elliptical lens
* that affects that part of the visualization.
*
* @author Tom Nelson
*
*/
@SuppressWarnings("serial")
public class LensDemo extends JApplet {
/**
* the graph
*/
Graph graph;
FRLayout graphLayout;
/**
* a grid shaped graph
*/
Graph grid;
Layout gridLayout;
/**
* the visual component and renderer for the graph
*/
VisualizationViewer vv;
/**
* provides a Hyperbolic lens for the view
*/
LensSupport hyperbolicViewSupport;
/**
* provides a magnification lens for the view
*/
LensSupport magnifyViewSupport;
/**
* provides a Hyperbolic lens for the model
*/
LensSupport hyperbolicLayoutSupport;
/**
* provides a magnification lens for the model
*/
LensSupport magnifyLayoutSupport;
ScalingControl scaler;
/**
* create an instance of a simple graph with controls to
* demo the zoomand hyperbolic features.
*
*/
public LensDemo() {
// create a simple graph for the demo
graph = TestGraphs.getOneComponentGraph();
graphLayout = new FRLayout(graph);
graphLayout.setMaxIterations(1000);
Dimension preferredSize = new Dimension(600,600);
Map map = new HashMap();
Function vlf =
Functions.forMap(map);
grid = this.generateVertexGrid(map, preferredSize, 25);
gridLayout = new StaticLayout(grid, vlf, preferredSize);
final VisualizationModel visualizationModel =
new DefaultVisualizationModel(graphLayout, preferredSize);
vv = new VisualizationViewer(visualizationModel, preferredSize);
PickedState ps = vv.getPickedVertexState();
PickedState pes = vv.getPickedEdgeState();
vv.getRenderContext().setVertexFillPaintTransformer(new PickableVertexPaintTransformer(ps, Color.red, Color.yellow));
vv.getRenderContext().setEdgeDrawPaintTransformer(new PickableEdgePaintTransformer(pes, Color.black, Color.cyan));
vv.setBackground(Color.white);
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
final Function ovals = vv.getRenderContext().getVertexShapeTransformer();
final Function squares =
Functions.constant(new Rectangle2D.Float(-10,-10,20,20));
// add a listener for ToolTips
vv.setVertexToolTipTransformer(new ToStringLabeller());
Container content = getContentPane();
GraphZoomScrollPane gzsp = new GraphZoomScrollPane(vv);
content.add(gzsp);
/**
* the regular graph mouse for the normal view
*/
final DefaultModalGraphMouse graphMouse
= new DefaultModalGraphMouse();
vv.setGraphMouse(graphMouse);
vv.addKeyListener(graphMouse.getModeKeyListener());
hyperbolicViewSupport =
new ViewLensSupport(vv, new HyperbolicShapeTransformer(vv,
vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW)),
new ModalLensGraphMouse());
hyperbolicLayoutSupport =
new LayoutLensSupport(vv, new HyperbolicTransformer(vv,
vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT)),
new ModalLensGraphMouse());
magnifyViewSupport =
new ViewLensSupport(vv, new MagnifyShapeTransformer(vv,
vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.VIEW)),
new ModalLensGraphMouse(new LensMagnificationGraphMousePlugin(1.f, 6.f, .2f)));
magnifyLayoutSupport =
new LayoutLensSupport(vv, new MagnifyTransformer(vv,
vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT)),
new ModalLensGraphMouse(new LensMagnificationGraphMousePlugin(1.f, 6.f, .2f)));
hyperbolicLayoutSupport.getLensTransformer().setLensShape(hyperbolicViewSupport.getLensTransformer().getLensShape());
magnifyViewSupport.getLensTransformer().setLensShape(hyperbolicLayoutSupport.getLensTransformer().getLensShape());
magnifyLayoutSupport.getLensTransformer().setLensShape(magnifyViewSupport.getLensTransformer().getLensShape());
final ScalingControl scaler = new CrossoverScalingControl();
JButton plus = new JButton("+");
plus.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
scaler.scale(vv, 1.1f, vv.getCenter());
}
});
JButton minus = new JButton("-");
minus.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
scaler.scale(vv, 1/1.1f, vv.getCenter());
}
});
ButtonGroup radio = new ButtonGroup();
JRadioButton normal = new JRadioButton("None");
normal.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
if(e.getStateChange() == ItemEvent.SELECTED) {
if(hyperbolicViewSupport != null) {
hyperbolicViewSupport.deactivate();
}
if(hyperbolicLayoutSupport != null) {
hyperbolicLayoutSupport.deactivate();
}
if(magnifyViewSupport != null) {
magnifyViewSupport.deactivate();
}
if(magnifyLayoutSupport != null) {
magnifyLayoutSupport.deactivate();
}
}
}
});
final JRadioButton hyperView = new JRadioButton("Hyperbolic View");
hyperView.addItemListener(new ItemListener(){
public void itemStateChanged(ItemEvent e) {
hyperbolicViewSupport.activate(e.getStateChange() == ItemEvent.SELECTED);
}
});
final JRadioButton hyperModel = new JRadioButton("Hyperbolic Layout");
hyperModel.addItemListener(new ItemListener(){
public void itemStateChanged(ItemEvent e) {
hyperbolicLayoutSupport.activate(e.getStateChange() == ItemEvent.SELECTED);
}
});
final JRadioButton magnifyView = new JRadioButton("Magnified View");
magnifyView.addItemListener(new ItemListener(){
public void itemStateChanged(ItemEvent e) {
magnifyViewSupport.activate(e.getStateChange() == ItemEvent.SELECTED);
}
});
final JRadioButton magnifyModel = new JRadioButton("Magnified Layout");
magnifyModel.addItemListener(new ItemListener(){
public void itemStateChanged(ItemEvent e) {
magnifyLayoutSupport.activate(e.getStateChange() == ItemEvent.SELECTED);
}
});
JLabel modeLabel = new JLabel(" Mode Menu >>");
modeLabel.setUI(new VerticalLabelUI(false));
radio.add(normal);
radio.add(hyperModel);
radio.add(hyperView);
radio.add(magnifyModel);
radio.add(magnifyView);
normal.setSelected(true);
graphMouse.addItemListener(hyperbolicLayoutSupport.getGraphMouse().getModeListener());
graphMouse.addItemListener(hyperbolicViewSupport.getGraphMouse().getModeListener());
graphMouse.addItemListener(magnifyLayoutSupport.getGraphMouse().getModeListener());
graphMouse.addItemListener(magnifyViewSupport.getGraphMouse().getModeListener());
ButtonGroup graphRadio = new ButtonGroup();
JRadioButton graphButton = new JRadioButton("Graph");
graphButton.setSelected(true);
graphButton.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
if(e.getStateChange() == ItemEvent.SELECTED) {
visualizationModel.setGraphLayout(graphLayout);
vv.getRenderContext().setVertexShapeTransformer(ovals);
vv.getRenderContext().setVertexLabelTransformer(
new ToStringLabeller());
vv.repaint();
}
}});
JRadioButton gridButton = new JRadioButton("Grid");
gridButton.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
if(e.getStateChange() == ItemEvent.SELECTED) {
visualizationModel.setGraphLayout(gridLayout);
vv.getRenderContext().setVertexShapeTransformer(squares);
vv.getRenderContext().setVertexLabelTransformer(Functions.constant(null));
vv.repaint();
}
}});
graphRadio.add(graphButton);
graphRadio.add(gridButton);
JPanel modePanel = new JPanel(new GridLayout(3,1));
modePanel.setBorder(BorderFactory.createTitledBorder("Display"));
modePanel.add(graphButton);
modePanel.add(gridButton);
JMenuBar menubar = new JMenuBar();
menubar.add(graphMouse.getModeMenu());
gzsp.setCorner(menubar);
Box controls = Box.createHorizontalBox();
JPanel zoomControls = new JPanel(new GridLayout(2,1));
zoomControls.setBorder(BorderFactory.createTitledBorder("Zoom"));
JPanel hyperControls = new JPanel(new GridLayout(3,2));
hyperControls.setBorder(BorderFactory.createTitledBorder("Examiner Lens"));
zoomControls.add(plus);
zoomControls.add(minus);
hyperControls.add(normal);
hyperControls.add(new JLabel());
hyperControls.add(hyperModel);
hyperControls.add(magnifyModel);
hyperControls.add(hyperView);
hyperControls.add(magnifyView);
controls.add(zoomControls);
controls.add(hyperControls);
controls.add(modePanel);
controls.add(modeLabel);
content.add(controls, BorderLayout.SOUTH);
}
private Graph generateVertexGrid(Map vlf,
Dimension d, int interval) {
int count = d.width/interval * d.height/interval;
Graph graph = new SparseGraph();
for(int i=0; i © 2015 - 2025 Weber Informatics LLC | Privacy Policy