/
MainPanel.java
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/
MainPanel.java
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// -*- mode:java; encoding:utf-8 -*-
// vim:set fileencoding=utf-8:
// @homepage@
package example;
import java.awt.*;
import java.util.stream.IntStream;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
import javax.swing.table.TableRowSorter;
public final class MainPanel extends JPanel {
public static final int FIXED_RANGE = 2;
private static final String ES = "";
private MainPanel() {
super(new BorderLayout());
// <blockquote cite="FixedColumnExample.java">
// @author Nobuo Tamemasa
Object[][] data = {
{1, 11, "A", ES, ES, ES, ES, ES},
{2, 22, ES, "B", ES, ES, ES, ES},
{3, 33, ES, ES, "C", ES, ES, ES},
{4, 1, ES, ES, ES, "D", ES, ES},
{5, 55, ES, ES, ES, ES, "E", ES},
{6, 66, ES, ES, ES, ES, ES, "F"}
};
String[] columnNames = {"fixed 1", "fixed 2", "A", "B", "C", "D", "E", "F"};
// </blockquote>
DefaultTableModel model = new DefaultTableModel(data, columnNames) {
@Override public Class<?> getColumnClass(int column) {
return column < FIXED_RANGE ? Integer.class : Object.class;
}
};
RowSorter<? extends TableModel> sorter = new TableRowSorter<>(model);
JTable fixedTable = new JTable(model);
JTable table = new JTable(model);
fixedTable.setSelectionModel(table.getSelectionModel());
for (int i = model.getColumnCount() - 1; i >= 0; i--) {
if (i < FIXED_RANGE) {
table.removeColumn(table.getColumnModel().getColumn(i));
fixedTable.getColumnModel().getColumn(i).setResizable(false);
} else {
fixedTable.removeColumn(fixedTable.getColumnModel().getColumn(i));
}
}
fixedTable.setRowSorter(sorter);
fixedTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
fixedTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
fixedTable.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);
table.setRowSorter(sorter);
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
table.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);
JScrollPane scroll = new JScrollPane(table);
// JViewport viewport = new JViewport();
// viewport.setView(fixedTable);
// viewport.setPreferredSize(fixedTable.getPreferredSize());
// scroll.setRowHeader(viewport);
fixedTable.setPreferredScrollableViewportSize(fixedTable.getPreferredSize());
scroll.setRowHeaderView(fixedTable);
scroll.setCorner(ScrollPaneConstants.UPPER_LEFT_CORNER, fixedTable.getTableHeader());
scroll.getViewport().setBackground(Color.WHITE);
scroll.getRowHeader().setBackground(Color.WHITE);
// <blockquote cite="https://tips4java.wordpress.com/2008/11/05/fixed-column-table/">
// @author Rob Camick
scroll.getRowHeader().addChangeListener(e -> {
JViewport viewport = (JViewport) e.getSource();
scroll.getVerticalScrollBar().setValue(viewport.getViewPosition().y);
});
// </blockquote>
JButton addButton = new JButton("add");
addButton.addActionListener(e -> {
sorter.setSortKeys(null);
IntStream.range(0, 100)
.mapToObj(i -> new Object[] {i, i + 1, "A" + i, "B" + i})
.forEach(model::addRow);
});
add(scroll);
add(addButton, BorderLayout.SOUTH);
setPreferredSize(new Dimension(320, 240));
}
public static void main(String[] args) {
EventQueue.invokeLater(MainPanel::createAndShowGui);
}
private static void createAndShowGui() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
// UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
} catch (UnsupportedLookAndFeelException ignored) {
Toolkit.getDefaultToolkit().beep();
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException ex) {
ex.printStackTrace();
return;
}
JFrame frame = new JFrame("@title@");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(new MainPanel());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}