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SVG Salamander - tools and components for SVG rendering, manipulation and animation
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/*
* SVGViewer.java
*
*
* The Salamander Project - 2D and 3D graphics libraries in Java
* Copyright (C) 2004 Mark McKay
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Mark McKay can be contacted at [email protected]. Salamander and other
* projects can be found at http://www.kitfox.com
*
* Created on April 3, 2004, 5:28 PM
*/
package com.kitfox.svg.app;
import com.kitfox.svg.SVGCache;
import com.kitfox.svg.SVGDiagram;
import com.kitfox.svg.SVGDisplayPanel;
import com.kitfox.svg.SVGElement;
import com.kitfox.svg.SVGException;
import com.kitfox.svg.SVGUniverse;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Point;
import java.io.File;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.net.URLEncoder;
import java.security.AccessControlException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
/**
* @author Mark McKay
* @author Mark McKay
*/
public class SVGViewer extends javax.swing.JFrame
{
public static final long serialVersionUID = 1;
SVGDisplayPanel svgDisplayPanel = new SVGDisplayPanel();
/** FileChooser for running in trusted environments */
final JFileChooser fileChooser;
{
// fileChooser = new JFileChooser(new File("."));
JFileChooser fc = null;
try
{
fc = new JFileChooser();
fc.setFileFilter(
new javax.swing.filechooser.FileFilter() {
final Matcher matchLevelFile = Pattern.compile(".*\\.svg[z]?").matcher("");
public boolean accept(File file)
{
if (file.isDirectory()) return true;
matchLevelFile.reset(file.getName());
return matchLevelFile.matches();
}
public String getDescription() { return "SVG file (*.svg, *.svgz)"; }
}
);
}
catch (AccessControlException ex)
{
//Do not create file chooser if webstart refuses permissions
}
fileChooser = fc;
}
/** Backup file service for opening files in WebStart situations */
/*
final FileOpenService fileOpenService;
{
try
{
fileOpenService = (FileOpenService)ServiceManager.lookup("javax.jnlp.FileOpenService");
}
catch (UnavailableServiceException e)
{
fileOpenService = null;
}
}
*/
/** Creates new form SVGViewer */
public SVGViewer() {
initComponents();
setSize(800, 600);
svgDisplayPanel.setBgColor(Color.white);
svgDisplayPanel.setPreferredSize(getSize());
panel_svgArea.add(svgDisplayPanel, BorderLayout.CENTER);
// scrollPane_svgArea.setViewportView(svgDisplayPanel);
}
private void loadURL(URL url)
{
boolean verbose = cmCheck_verbose.isSelected();
// SVGUniverse universe = new SVGUniverse();
SVGUniverse universe = SVGCache.getSVGUniverse();
SVGDiagram diagram = null;
URI uri;
if (!CheckBoxMenuItem_anonInputStream.isSelected())
{
//Load from a disk with a valid URL
uri = universe.loadSVG(url);
if (verbose) System.err.println("Loading document " + uri.toString());
diagram = universe.getDiagram(uri);
}
else
{
//Load from a stream with no particular valid URL
try
{
InputStream is = url.openStream();
uri = universe.loadSVG(is, "defaultName");
if (verbose) System.err.println("Loading document " + uri.toString());
}
catch (Exception e)
{
e.printStackTrace();
return;
}
}
/*
ByteArrayOutputStream bs = new ByteArrayOutputStream();
ObjectOutputStream os = new ObjectOutputStream(bs);
os.writeObject(universe);
os.close();
ByteArrayInputStream bin = new ByteArrayInputStream(bs.toByteArray());
ObjectInputStream is = new ObjectInputStream(bin);
universe = (SVGUniverse)is.readObject();
is.close();
*/
diagram = universe.getDiagram(uri);
svgDisplayPanel.setDiagram(diagram);
repaint();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// //GEN-BEGIN:initComponents
private void initComponents()
{
scrollPane_svgArea = new javax.swing.JScrollPane();
panel_svgArea = new javax.swing.JPanel();
jMenuBar1 = new javax.swing.JMenuBar();
menu_file = new javax.swing.JMenu();
cm_loadFile = new javax.swing.JMenuItem();
cm_loadUrl = new javax.swing.JMenuItem();
menu_window = new javax.swing.JMenu();
cm_800x600 = new javax.swing.JMenuItem();
CheckBoxMenuItem_anonInputStream = new javax.swing.JCheckBoxMenuItem();
cmCheck_verbose = new javax.swing.JCheckBoxMenuItem();
menu_help = new javax.swing.JMenu();
cm_about = new javax.swing.JMenuItem();
setTitle("SVG Viewer - Salamander Project");
addWindowListener(new java.awt.event.WindowAdapter()
{
public void windowClosing(java.awt.event.WindowEvent evt)
{
exitForm(evt);
}
});
panel_svgArea.setLayout(new java.awt.BorderLayout());
panel_svgArea.addMouseListener(new java.awt.event.MouseAdapter()
{
public void mousePressed(java.awt.event.MouseEvent evt)
{
panel_svgAreaMousePressed(evt);
}
public void mouseReleased(java.awt.event.MouseEvent evt)
{
panel_svgAreaMouseReleased(evt);
}
});
scrollPane_svgArea.setViewportView(panel_svgArea);
getContentPane().add(scrollPane_svgArea, java.awt.BorderLayout.CENTER);
menu_file.setMnemonic('f');
menu_file.setText("File");
cm_loadFile.setMnemonic('l');
cm_loadFile.setText("Load File...");
cm_loadFile.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(java.awt.event.ActionEvent evt)
{
cm_loadFileActionPerformed(evt);
}
});
menu_file.add(cm_loadFile);
cm_loadUrl.setText("Load URL...");
cm_loadUrl.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(java.awt.event.ActionEvent evt)
{
cm_loadUrlActionPerformed(evt);
}
});
menu_file.add(cm_loadUrl);
jMenuBar1.add(menu_file);
menu_window.setText("Window");
cm_800x600.setText("800 x 600");
cm_800x600.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(java.awt.event.ActionEvent evt)
{
cm_800x600ActionPerformed(evt);
}
});
menu_window.add(cm_800x600);
CheckBoxMenuItem_anonInputStream.setText("Anonymous Input Stream");
menu_window.add(CheckBoxMenuItem_anonInputStream);
cmCheck_verbose.setText("Verbose");
cmCheck_verbose.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(java.awt.event.ActionEvent evt)
{
cmCheck_verboseActionPerformed(evt);
}
});
menu_window.add(cmCheck_verbose);
jMenuBar1.add(menu_window);
menu_help.setText("Help");
cm_about.setText("About...");
cm_about.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(java.awt.event.ActionEvent evt)
{
cm_aboutActionPerformed(evt);
}
});
menu_help.add(cm_about);
jMenuBar1.add(menu_help);
setJMenuBar(jMenuBar1);
pack();
}// //GEN-END:initComponents
private void cm_loadUrlActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_cm_loadUrlActionPerformed
{//GEN-HEADEREND:event_cm_loadUrlActionPerformed
String urlStrn = JOptionPane.showInputDialog(this, "Enter URL of SVG file");
if (urlStrn == null) return;
try
{
URL url = new URL(URLEncoder.encode(urlStrn, "UTF-8"));
loadURL(url);
}
catch (Exception e)
{
e.printStackTrace();
}
}//GEN-LAST:event_cm_loadUrlActionPerformed
private void panel_svgAreaMouseReleased(java.awt.event.MouseEvent evt)//GEN-FIRST:event_panel_svgAreaMouseReleased
{//GEN-HEADEREND:event_panel_svgAreaMouseReleased
SVGDiagram diagram = svgDisplayPanel.getDiagram();
List pickedElements;
try
{
pickedElements = diagram.pick(new Point(evt.getX(), evt.getY()), null);
}
catch (SVGException ex)
{
ex.printStackTrace();
return;
}
System.out.println("Pick results:");
for (Iterator it = pickedElements.iterator(); it.hasNext();)
{
ArrayList path = (ArrayList)it.next();
System.out.print(" Path: ");
for (Iterator it2 = path.iterator(); it2.hasNext();)
{
SVGElement ele = (SVGElement)it2.next();
System.out.print("" + ele.getId() + "(" + ele.getClass().getName() + ") ");
}
System.out.println();
}
}//GEN-LAST:event_panel_svgAreaMouseReleased
private void panel_svgAreaMousePressed(java.awt.event.MouseEvent evt)//GEN-FIRST:event_panel_svgAreaMousePressed
{//GEN-HEADEREND:event_panel_svgAreaMousePressed
}//GEN-LAST:event_panel_svgAreaMousePressed
private void cmCheck_verboseActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_cmCheck_verboseActionPerformed
{//GEN-HEADEREND:event_cmCheck_verboseActionPerformed
SVGCache.getSVGUniverse().setVerbose(cmCheck_verbose.isSelected());
}//GEN-LAST:event_cmCheck_verboseActionPerformed
private void cm_aboutActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_cm_aboutActionPerformed
{//GEN-HEADEREND:event_cm_aboutActionPerformed
//JOptionPane.showMessageDialog(this, "Salamander SVG - Created by Mark McKay\nhttp://www.kitfox.com");
VersionDialog dlg = new VersionDialog(this, true, cmCheck_verbose.isSelected());
dlg.setVisible(true);
}//GEN-LAST:event_cm_aboutActionPerformed
private void cm_800x600ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cm_800x600ActionPerformed
setSize(800, 600);
}//GEN-LAST:event_cm_800x600ActionPerformed
private void cm_loadFileActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_cm_loadFileActionPerformed
{//GEN-HEADEREND:event_cm_loadFileActionPerformed
try
{
int retVal = fileChooser.showOpenDialog(this);
if (retVal == JFileChooser.APPROVE_OPTION)
{
File chosenFile = fileChooser.getSelectedFile();
URL url = chosenFile.toURI().toURL();
loadURL(url);
}
}
/*
catch (IOException ioe)
{
try
{
//We may be in a WebStart app. Try again with a FileOpenService
FileContents fc = fileOpenService.openFileDialog(null, new String[]{"svg"});
InputStream is = fc.getInputStream();
String name = fc.getName();
}
catch (Exception e)
{
e.printStackTrace();
}
}
*/
catch (Exception e)
{
e.printStackTrace();
}
}//GEN-LAST:event_cm_loadFileActionPerformed
/** Exit the Application */
private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
// setVisible(false);
// dispose();
System.exit(0);
}//GEN-LAST:event_exitForm
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
new SVGViewer().setVisible(true);
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JCheckBoxMenuItem CheckBoxMenuItem_anonInputStream;
private javax.swing.JCheckBoxMenuItem cmCheck_verbose;
private javax.swing.JMenuItem cm_800x600;
private javax.swing.JMenuItem cm_about;
private javax.swing.JMenuItem cm_loadFile;
private javax.swing.JMenuItem cm_loadUrl;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenu menu_file;
private javax.swing.JMenu menu_help;
private javax.swing.JMenu menu_window;
private javax.swing.JPanel panel_svgArea;
private javax.swing.JScrollPane scrollPane_svgArea;
// End of variables declaration//GEN-END:variables
}