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package javademo.swing.table.TableDialogEditDemo;
/*
* ColorEditor.java (compiles with releases 1.3 and 1.4) is used by
* TableDialogEditDemo.java.
*/
import java.awt.Color;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractCellEditor;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JDialog;
import javax.swing.JTable;
import javax.swing.table.TableCellEditor;
public class ColorEditor extends AbstractCellEditor implements TableCellEditor, ActionListener
{
private static final long serialVersionUID = 1L;
Color currentColor;
JButton button;
JColorChooser colorChooser;
JDialog dialog;
protected static final String EDIT = "edit";
public ColorEditor()
{
// Set up the editor (from the table's point of view),
// which is a button.
// This button brings up the color chooser dialog,
// which is the editor from the user's point of view.
button = new JButton();
button.setActionCommand(EDIT);
button.addActionListener(this);
button.setBorderPainted(false);
// Set up the dialog that the button brings up.
colorChooser = new JColorChooser();
dialog = JColorChooser.createDialog(button, "Pick a Color", true, // modal
colorChooser, this, // OK button handler
null); // no CANCEL button handler
}
/**
* Handles events from the editor button and from
* the dialog's OK button.
*/
public void actionPerformed(ActionEvent e)
{
if (EDIT.equals(e.getActionCommand()))
{
// The user has clicked the cell, so
// bring up the dialog.
button.setBackground(currentColor);
colorChooser.setColor(currentColor);
dialog.setVisible(true);
// Make the renderer reappear.
fireEditingStopped();
}
else
{ // User pressed dialog's "OK" button.
currentColor = colorChooser.getColor();
}
}
// Implement the one CellEditor method that AbstractCellEditor doesn't.
public Object getCellEditorValue()
{
return currentColor;
}
// Implement the one method defined by TableCellEditor.
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column)
{
currentColor = (Color)value;
return button;
}
}