?? tablecellvolumerenderer.java
字號(hào):
import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
class TableCellVolumeRenderer extends JPanel
implements TableCellRenderer {
private JSlider slider = new JSlider();
private JLabel label = new JLabel("value");
public TableCellVolumeRenderer() {
slider.setOrientation(SwingConstants.HORIZONTAL);
slider.setPreferredSize(new Dimension(200,30));
slider.putClientProperty("JSlider.isFilled",Boolean.TRUE);
label.setHorizontalAlignment(JLabel.CENTER);
label.setHorizontalTextPosition(JLabel.CENTER);
setLayout(new BorderLayout());
add(label, BorderLayout.NORTH);
add(slider, BorderLayout.CENTER);
slider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
label.setText(
Integer.toString(slider.getValue()));
}
});
}
public Component getTableCellRendererComponent(
JTable table, Object value,
boolean isSelected,
boolean hasFocus,
int row, int col) {
Integer v = (Integer)value;
slider.setValue(v.intValue());
label.setText(v.toString());
slider.setEnabled(isSelected);
label.setEnabled(isSelected);
return this;
}
public JSlider getSlider() {
return slider;
}
public JLabel getLabel() {
return label;
}
}
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