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//package example;
//-*- mode:java; encoding:utf-8 -*-
// vim:set fileencoding=utf-8:
//@homepage@
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.io.*;
import java.util.List;
import javax.swing.*;
import javax.swing.table.*;
public class DefaultTableColumnModelPersistenceDelegateTest extends JPanel {
private final JTextArea textArea = new JTextArea();
private final String[] columnNames = {"A", "B"};
private final Object[][] data = {
{"aaa", "ccccccc"}, {"bbb", "\u2600\u2601\u2602\u2603"}
};
private final JTable table = new JTable(new DefaultTableModel(data, columnNames));
public DefaultTableColumnModelPersistenceDelegateTest() {
super(new BorderLayout());
table.setAutoCreateRowSorter(true);
JSplitPane sp = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
sp.setResizeWeight(.5);
sp.setTopComponent(new JScrollPane(table));
sp.setBottomComponent(new JScrollPane(textArea));
JPanel p = new JPanel();
p.add(new JButton(new AbstractAction("XMLEncoder") {
@Override public void actionPerformed(ActionEvent e) {
try {
File file = File.createTempFile("output", ".xml");
try (XMLEncoder xe = new XMLEncoder(new BufferedOutputStream(new FileOutputStream(file)))) {
xe.setPersistenceDelegate(RowSorter.SortKey.class, new DefaultPersistenceDelegate(new String[] {"column", "sortOrder"}));
xe.writeObject(table.getRowSorter().getSortKeys());
xe.setPersistenceDelegate(DefaultTableModel.class, new DefaultTableModelPersistenceDelegate());
xe.writeObject(table.getModel());
xe.setPersistenceDelegate(DefaultTableColumnModel.class, new DefaultTableColumnModelPersistenceDelegate());
xe.writeObject(table.getColumnModel());
}
try (Reader r = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"))) {
textArea.read(r, "temp");
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
}));
p.add(new JButton(new AbstractAction("XMLDecoder") {
@Override public void actionPerformed(ActionEvent e) {
try (XMLDecoder xd = new XMLDecoder(new BufferedInputStream(new ByteArrayInputStream(textArea.getText().getBytes("UTF-8"))))) {
@SuppressWarnings("unchecked")
List<? extends RowSorter.SortKey> keys = (List<? extends RowSorter.SortKey>) xd.readObject();
DefaultTableModel model = (DefaultTableModel) xd.readObject();
table.setModel(model);
table.setAutoCreateRowSorter(true);
table.getRowSorter().setSortKeys(keys);
DefaultTableColumnModel cm = (DefaultTableColumnModel) xd.readObject();
table.setColumnModel(cm);
} catch (IOException ex) {
ex.printStackTrace();
}
}
}));
p.add(new JButton(new AbstractAction("clear") {
@Override public void actionPerformed(ActionEvent e) {
table.setModel(new DefaultTableModel());
}
}));
add(sp);
add(p, BorderLayout.SOUTH);
setPreferredSize(new Dimension(320, 240));
}
public static void main(String... args) {
EventQueue.invokeLater(new Runnable() {
@Override public void run() {
createAndShowGUI();
}
});
}
public static void createAndShowGUI() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException
| IllegalAccessException | UnsupportedLookAndFeelException ex) {
ex.printStackTrace();
}
JFrame frame = new JFrame("@title@");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(new DefaultTableColumnModelPersistenceDelegateTest());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
//http://web.archive.org/web/20090806075316/http://java.sun.com/products/jfc/tsc/articles/persistence4/
//http://www.oracle.com/technetwork/java/persistence4-140124.html
//http://ateraimemo.com/Swing/PersistenceDelegate.html
class DefaultTableModelPersistenceDelegate extends DefaultPersistenceDelegate {
@Override protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder encoder) {
super.initialize(type, oldInstance, newInstance, encoder);
DefaultTableModel m = (DefaultTableModel) oldInstance;
for (int row = 0; row < m.getRowCount(); row++) {
for (int col = 0; col < m.getColumnCount(); col++) {
Object[] o = {m.getValueAt(row, col), row, col};
encoder.writeStatement(new Statement(oldInstance, "setValueAt", o));
}
}
}
}
class DefaultTableColumnModelPersistenceDelegate extends DefaultPersistenceDelegate {
@Override protected void initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder encoder) {
super.initialize(type, oldInstance, newInstance, encoder);
DefaultTableColumnModel m = (DefaultTableColumnModel) oldInstance;
for (int col = 0; col < m.getColumnCount(); col++) {
Object[] o = {m.getColumn(col)};
encoder.writeStatement(new Statement(oldInstance, "addColumn", o));
}
}
}
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