/*
* Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle or the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package javademo.swing.table;
/*
* TableSelectionDemo.java requires no other files.
*/
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.ListSelectionModel;
import javax.swing.UIManager;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.AbstractTableModel;
public class TableSelectionDemo extends JPanel implements ActionListener
{
private static final long serialVersionUID = 1L;
private JTable table;
private JCheckBox rowCheck;
private JCheckBox columnCheck;
private JCheckBox cellCheck;
private ButtonGroup buttonGroup;
private JTextArea output;
public TableSelectionDemo()
{
super();
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
table = new JTable(new MyTableModel());
table.setPreferredScrollableViewportSize(new Dimension(500, 70));
table.setFillsViewportHeight(true);
table.getSelectionModel().addListSelectionListener(new RowListener());
table.getColumnModel().getSelectionModel().addListSelectionListener(new ColumnListener());
add(new JScrollPane(table));
add(new JLabel("Selection Mode"));
buttonGroup = new ButtonGroup();
addRadio("Multiple Interval Selection").setSelected(true);
addRadio("Single Selection");
addRadio("Single Interval Selection");
add(new JLabel("Selection Options"));
rowCheck = addCheckBox("Row Selection");
rowCheck.setSelected(true);
columnCheck = addCheckBox("Column Selection");
cellCheck = addCheckBox("Cell Selection");
cellCheck.setEnabled(false);
output = new JTextArea(5, 40);
output.setEditable(false);
add(new JScrollPane(output));
}
private JCheckBox addCheckBox(String text)
{
JCheckBox checkBox = new JCheckBox(text);
checkBox.addActionListener(this);
add(checkBox);
return checkBox;
}
private JRadioButton addRadio(String text)
{
JRadioButton b = new JRadioButton(text);
b.addActionListener(this);
buttonGroup.add(b);
add(b);
return b;
}
public void actionPerformed(ActionEvent event)
{
String command = event.getActionCommand();
// Cell selection is disabled in Multiple Interval Selection
// mode. The enabled state of cellCheck is a convenient flag
// for this status.
if ("Row Selection" == command)
{
table.setRowSelectionAllowed(rowCheck.isSelected());
// In MIS mode, column selection allowed must be the
// opposite of row selection allowed.
if (!cellCheck.isEnabled())
{
table.setColumnSelectionAllowed(!rowCheck.isSelected());
}
}
else if ("Column Selection" == command)
{
table.setColumnSelectionAllowed(columnCheck.isSelected());
// In MIS mode, row selection allowed must be the
// opposite of column selection allowed.
if (!cellCheck.isEnabled())
{
table.setRowSelectionAllowed(!columnCheck.isSelected());
}
}
else if ("Cell Selection" == command)
{
table.setCellSelectionEnabled(cellCheck.isSelected());
}
else if ("Multiple Interval Selection" == command)
{
table.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
// If cell selection is on, turn it off.
if (cellCheck.isSelected())
{
cellCheck.setSelected(false);
table.setCellSelectionEnabled(false);
}
// And don't let it be turned back on.
cellCheck.setEnabled(false);
}
else if ("Single Interval Selection" == command)
{
table.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
// Cell selection is ok in this mode.
cellCheck.setEnabled(true);
}
else if ("Single Selection" == command)
{
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
// Cell selection is ok in this mode.
cellCheck.setEnabled(true);
}
// Update checkboxes to reflect selection mode side effects.
rowCheck.setSelected(table.getRowSelectionAllowed());
columnCheck.setSelected(table.getColumnSelectionAllowed());
if (cellCheck.isEnabled())
{
cellCheck.setSelected(table.getCellSelectionEnabled());
}
}
private void outputSelection()
{
output.append(String.format("Lead: %d, %d. ", table.getSelectionModel().getLeadSelectionIndex(),
table.getColumnModel().getSelectionModel().getLeadSelectionIndex()));
output.append("Rows:");
for (int c : table.getSelectedRows())
{
output.append(String.format(" %d", c));
}
output.append(". Columns:");
for (int c : table.getSelectedColumns())
{
output.append(String.format(" %d", c));
}
output.append(".\n");
}
private class RowListener implements ListSelectionListener
{
public void valueChanged(ListSelectionEvent event)
{
if (event.getValueIsAdjusting())
{
return;
}
output.append("ROW SELECTION EVENT. ");
outputSelection();
}
}
private class ColumnListener implements ListSelectionListener
{
public void valueChanged(ListSelectionEvent event)
{
if (event.getValueIsAdjusting())
{
return;
}
output.append("COLUMN SELECTION EVENT. ");
outputSelection();
}
}
class MyTableModel extends AbstractTableModel
{
private static final long serialVersionUID = 1L;
private String[] columnNames = { "First Name", "Last Name", "Sport", "# of Years", "Vegetarian" };
private Object[][] data = { { "Kathy", "Smith", "Snowboarding", new Integer(5), new Boolean(false) },
{ "John", "Doe", "Rowing", new Integer(3), new Boolean(true) },
{ "Sue", "Black", "Knitting", new Integer(2), new Boolean(false) },
{ "Jane", "White", "Speed reading", new Integer(20), new Boolean(true) },
{ "Joe", "Brown", "Pool", new Integer(10), new Boolean(false) } };
public int getColumnCount()
{
return columnNames.length;
}
public int getRowCount()
{
return data.length;
}
public String getColumnName(int col)
{
return columnNames[col];
}
public Object getValueAt(int row, int col)
{
return data[row][col];
}
/*
* JTable uses this method to determine the default renderer/
* editor for each cell. If we didn't implement this method,
* then the last column would contain text ("true"/"false"),
* rather than a check box.
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public Class getColumnClass(int c)
{
return getValueAt(0, c).getClass();
}
/*
* Don't need to implement this method unless your table's
* editable.
*/
public boolean isCellEditable(int row, int col)
{
// Note that the data/cell address is constant,
// no matter where the cell appears onscreen.
if (col < 2)
{
return false;
}
else
{
return true;
}
}
/*
* Don't need to implement this method unless your table's
* data can change.
*/
public void setValueAt(Object value, int row, int col)
{
data[row][col] = value;
fireTableCellUpdated(row, col);
}
}
/**
* Create the GUI and show it. For thread safety,
* this method should be invoked from the
* event-dispatching thread.
*/
private static void createAndShowGUI()
{
// Disable boldface controls.
UIManager.put("swing.boldMetal", Boolean.FALSE);
// Create and set up the window.
JFrame frame = new JFrame("TableSelectionDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Create and set up the content pane.
TableSelectionDemo newContentPane = new TableSelectionDemo();
newContentPane.setOpaque(true); // content panes must be opaque
frame.setContentPane(newContentPane);
// Display the window.
frame.pack();
frame.setVisible(true);
}
public static void main(String[] args)
{
// Schedule a job for the event-dispatching thread:
// creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
createAndShowGUI();
}
});
}
}