CheckBoxRenderer.java

package ca.sqlpower.swingui;

import java.awt.Component;

import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;

/**
 * A renderer for presenting a JCheckBox in a JTable cell.  It makes sure the check box
 * looks right (correct foreground and background colour depending on the cell's selection
 * state) in the table.
 */
public class CheckBoxRenderer extends JCheckBox implements TableCellRenderer {

    public CheckBoxRenderer() {
        setHorizontalAlignment(JLabel.CENTER);
    }

    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
        if (isSelected) {
            setForeground(table.getSelectionForeground());
            setBackground(table.getSelectionBackground());
        } else {
            setForeground(table.getForeground());
            setBackground(table.getBackground());
        }
        setSelected((value != null && ((Boolean) value).booleanValue()));
        return this;
    }
}