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package de.lmu.ifi.dbs.elki.visualization.gui;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2011
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.HeadlessException;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.UIManager;
import de.lmu.ifi.dbs.elki.logging.LoggingUtil;
import de.lmu.ifi.dbs.elki.visualization.batikutil.JSVGSynchronizedCanvas;
import de.lmu.ifi.dbs.elki.visualization.savedialog.SVGSaveDialog;
import de.lmu.ifi.dbs.elki.visualization.svg.SVGPlot;
/**
* A minimalistic SVG viewer with export dialog.
*
* @author Erich Schubert
*/
public class SimpleSVGViewer extends JFrame {
/**
* Serial version
*/
private static final long serialVersionUID = 1L;
/**
* The main canvas.
*/
private JSVGSynchronizedCanvas svgCanvas;
/**
* Constructor.
*
* @throws HeadlessException
*/
public SimpleSVGViewer() throws HeadlessException {
super();
// Prefer system look&feel
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e) {
// ignore
}
// close handler
this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
// Maximize.
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
setSize(dim.width - 50, dim.height - 50);
// setup buttons
JMenuItem exportItem = new JMenuItem("Export");
exportItem.setMnemonic(KeyEvent.VK_E);
exportItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(@SuppressWarnings("unused") ActionEvent ae) {
saveCurrentPlot();
}
});
JMenuItem quitItem = new JMenuItem("Quit");
quitItem.setMnemonic(KeyEvent.VK_Q);
quitItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(@SuppressWarnings("unused") ActionEvent e) {
close();
}
});
// Create a panel and add the button, status label and the SVG canvas.
final JPanel panel = new JPanel(new BorderLayout());
JMenuBar menubar = new JMenuBar();
menubar.add(exportItem);
menubar.add(quitItem);
panel.add("North", menubar);
svgCanvas = new JSVGSynchronizedCanvas();
panel.add("Center", svgCanvas);
this.getContentPane().add(panel);
setExtendedState(JFrame.MAXIMIZED_BOTH);
this.setVisible(true);
}
/**
* Close the visualizer window.
*/
public void close() {
this.setVisible(false);
this.dispose();
}
/**
* Save/export the current plot.
*/
public void saveCurrentPlot() {
// TODO: exclude "do not export" layers!
final SVGPlot currentPlot = svgCanvas.getPlot();
if(currentPlot != null) {
SVGSaveDialog.showSaveDialog(currentPlot, 512, 512);
}
else {
LoggingUtil.warning("saveCurrentPlot() called without a visible plot!");
}
}
/**
* Set the plot to show
*
* @param plot Plot
*/
public void setPlot(SVGPlot plot) {
svgCanvas.setPlot(plot);
}
}
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