org.metawidget.swing.widgetbuilder.LookupLabel Maven / Gradle / Ivy
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// Metawidget
//
// This file is dual licensed under both the LGPL
// (http://www.gnu.org/licenses/lgpl-2.1.html) and the EPL
// (http://www.eclipse.org/org/documents/epl-v10.php). As a
// recipient of Metawidget, you may choose to receive it under either
// the LGPL or the EPL.
//
// Commercial licenses are also available. See http://metawidget.org
// for details.
package org.metawidget.swing.widgetbuilder;
import java.util.Map;
import javax.swing.JLabel;
/**
* Label whose values use a lookup.
*
* This class is public for binding implementations such as BeansBinding.
*
* @author Richard Kennard
*/
public class LookupLabel
extends JLabel {
//
// Private members
//
private Map mLookup;
//
// Constructor
//
public LookupLabel( Map lookup ) {
if ( lookup == null ) {
throw new NullPointerException( "lookup" );
}
mLookup = lookup;
}
//
// Public methods
//
@Override
public void setText( String text ) {
String lookup = text;
if ( lookup != null && mLookup != null ) {
lookup = mLookup.get( lookup );
}
super.setText( lookup );
}
}