source: osm/utils/josm/plugins/annotation-tester/src/annotationtester/AnnotationTester.java@ 1467

package annotationtester;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

import org.openstreetmap.josm.gui.annotation.AnnotationCellRenderer;
import org.openstreetmap.josm.gui.annotation.AnnotationPreset;
import org.xml.sax.SAXException;

public class AnnotationTester extends JFrame {

        private JComboBox annotationPresets;
        private final String[] args;
        private JPanel annotationPanel = new JPanel(new BorderLayout());
        private JPanel panel = new JPanel(new BorderLayout());

        public void reload() {
                Vector<AnnotationPreset> allPresets = new Vector<AnnotationPreset>();
                for (String source : args) {
                        InputStream in = null;
                        try {
                                if (source.startsWith("http") || source.startsWith("ftp") || source.startsWith("file"))
                                        in = new URL(source).openStream();
                                else if (source.startsWith("resource://"))
                                        in = AnnotationTester.class.getResourceAsStream(source.substring("resource:/".length()));
                                else
                                        in = new FileInputStream(source);
                                allPresets.addAll(AnnotationPreset.readAll(in));
                        } catch (IOException e) {
                                e.printStackTrace();
                                JOptionPane.showMessageDialog(null, "Could not read annotation preset source: "+source);
                        } catch (SAXException e) {
                                e.printStackTrace();
                                JOptionPane.showMessageDialog(null, "Error parsing "+source+": "+e.getMessage());
                        }

                        try {
                                if (in != null)
                                        in.close();
                        } catch (IOException e) {
                        }
                }
                annotationPresets.setModel(new DefaultComboBoxModel(allPresets));
        }

        public void reselect() {
                annotationPanel.removeAll();
                AnnotationPreset preset = (AnnotationPreset)annotationPresets.getSelectedItem();
                if (preset == null)
                        return;
                JPanel p = preset.createPanel();
                p.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
                if (p != null)
                        annotationPanel.add(p, BorderLayout.NORTH);
                panel.validate();
                panel.repaint();
        }

        public AnnotationTester(String[] args) {
                super("Annotation Preset Tester");
                this.args = args;
                annotationPresets = new JComboBox();
                annotationPresets.setRenderer(new AnnotationCellRenderer());
                reload();

                panel.add(annotationPresets, BorderLayout.NORTH);
                panel.add(annotationPanel, BorderLayout.CENTER);
                annotationPresets.addActionListener(new ActionListener(){
                        public void actionPerformed(ActionEvent e) {
                                reselect();
                        }
                });
                reselect();

                JButton b = new JButton("Reload");
                b.addActionListener(new ActionListener(){
                        public void actionPerformed(ActionEvent e) {
                                int i = annotationPresets.getSelectedIndex();
                                reload();
                                annotationPresets.setSelectedIndex(i);
                        }
                });
                panel.add(b, BorderLayout.SOUTH);

                setContentPane(panel);
                setSize(300,500);
                setVisible(true);
        }

        public static void main(String[] args) {
                if (args.length == 0) {
                        JFileChooser c = new JFileChooser();
                        if (c.showOpenDialog(null) != JFileChooser.APPROVE_OPTION)
                                return;
                        args = new String[]{c.getSelectedFile().getPath()};
                }
                JFrame f = new AnnotationTester(args);
                f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        }
}