package example;import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.io.IOException;import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;import org.apache.batik.swing.gvt.GVTTreeRendererAdapter;
import org.apache.batik.swing.gvt.GVTTreeRendererEvent;
import org.apache.batik.swing.svg.GVTTreeBuilderAdapter;
import org.apache.batik.swing.svg.GVTTreeBuilderEvent;
import org.apache.batik.swing.svg.JSVGComponent;
import org.apache.batik.swing.svg.SVGDocumentLoaderAdapter;
import org.apache.batik.swing.svg.SVGDocumentLoaderEvent;public class SVGComponentDemo {public static void main(String[] args) {// Create a new JFrame.JFrame f = new JFrame("Batik");SVGComponentDemo app = new SVGComponentDemo(f);// Add components to the frame.f.getContentPane().add(app.createComponents());// Display the frame.f.addWindowListener(new WindowAdapter() {public void windowClosing(WindowEvent e) {System.exit(0);}});f.setSize(400, 400);f.setVisible(true);}// The frame.protected JFrame frame;// The "Load" button, which displays up a file chooser upon clicking.protected JButton button = new JButton("Load...");// The status label.protected JLabel label = new JLabel();// The SVG componentprotected JSVGComponent svgComponent = new JSVGComponent(null, false, false);public SVGComponentDemo(JFrame f) {frame = f;}public JComponent createComponents() {// Create a panel and add the button, status label and the SVG canvas.final JPanel panel = new JPanel(new BorderLayout());JPanel p = new JPanel(new FlowLayout(FlowLayout.LEFT));p.add(button);p.add(label);panel.add("North", p);panel.add("Center", svgComponent);// Set the button action.button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent ae) {JFileChooser fc = new JFileChooser(".//images");int choice = fc.showOpenDialog(panel);if (choice == JFileChooser.APPROVE_OPTION) {File f = fc.getSelectedFile();try {svgComponent.loadSVGDocument(f.toURL().toString());} catch (IOException ex) {ex.printStackTrace();}}}});// Set the JSVGComponent listeners.svgComponent.addSVGDocumentLoaderListener(new SVGDocumentLoaderAdapter() {public void documentLoadingStarted(SVGDocumentLoaderEvent e) {label.setText("Document Loading...");}public void documentLoadingCompleted(SVGDocumentLoaderEvent e) {label.setText("Document Loaded.");}});svgComponent.addGVTTreeBuilderListener(new GVTTreeBuilderAdapter() {public void gvtBuildStarted(GVTTreeBuilderEvent e) {label.setText("Build Started...");}public void gvtBuildCompleted(GVTTreeBuilderEvent e) {label.setText("Build Done.");frame.pack();}});svgComponent.addGVTTreeRendererListener(new GVTTreeRendererAdapter() {public void gvtRenderingPrepare(GVTTreeRendererEvent e) {label.setText("Rendering Started...");}public void gvtRenderingCompleted(GVTTreeRendererEvent e) {label.setText("");}});return panel;}
}