uk.ac.starlink.table.gui.ValueInfoCellEditor Maven / Gradle / Ivy
package uk.ac.starlink.table.gui;
import java.awt.Component;
import java.awt.Toolkit;
import javax.swing.DefaultCellEditor;
import javax.swing.JCheckBox;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.TableCellEditor;
import uk.ac.starlink.table.ValueInfo;
/**
* Can make a TableCellEditor suitable for a ValueInfo.
*
* @author Mark Taylor (Starlink)
*/
public class ValueInfoCellEditor {
/**
* Returns a TableCellEditor that can be used for editing the values
* described by this ValueInfo.
*
* @param vinfo the ValueInfo object describing the cell to be edited
* @return a TableCellEditor
*/
public static TableCellEditor makeEditor( final ValueInfo vinfo ) {
Class clazz = vinfo.getContentClass();
if ( clazz == Boolean.class ) {
return new DefaultCellEditor( new JCheckBox() ) {
public boolean stopCellEditing() {
try {
return super.stopCellEditing();
}
catch ( Exception e ) {
copeWithException( e );
cancelCellEditing();
return true;
}
}
};
}
else {
final JTextField tfield = new JTextField();
return new DefaultCellEditor( tfield ) {
public Object getCellEditorValue() {
return vinfo.unformatString( tfield.getText() );
}
public boolean stopCellEditing() {
try {
return super.stopCellEditing();
}
catch ( Exception e ) {
copeWithException( e );
cancelCellEditing();
return true;
}
}
public Component
getTableCellEditorComponent( JTable table, Object value,
boolean isSelected,
int irow, int icol ) {
String renderedValue = vinfo.formatValue( value, 10240 );
return super.getTableCellEditorComponent( table,
renderedValue,
isSelected,
irow, icol );
}
};
}
}
private static void copeWithException( Exception e ) {
Toolkit.getDefaultToolkit().beep();
}
}