source: src/main/java/genius/gui/renderer/RepItemListCellRenderer.java

package genius.gui.renderer;

import java.awt.Component;

import javax.swing.DefaultListCellRenderer;
import javax.swing.JLabel;
import javax.swing.JList;

import genius.core.repository.PartyRepItem;
import genius.core.repository.RepItem;
import genius.core.repository.boa.BoaPartyRepItem;
import genius.core.repository.boa.BoaRepItem;

/**
 * Renders RepItems, using {@link PartyRepItem#getName()} if possible, or
 * toString otherwise.
 */

@SuppressWarnings("serial")
public class RepItemListCellRenderer extends DefaultListCellRenderer {

        @Override
        public Component getListCellRendererComponent(JList<?> list, Object value,
                        int index, boolean isSelected, boolean cellHasFocus) {
                JLabel comp = (JLabel) super.getListCellRendererComponent(list, value,
                                index, isSelected, cellHasFocus);
                comp.setText(getText((RepItem) value));
                return comp;
        }

        /**
         * 
         * HACK static to at least be able to re-use this code in
         * {@link RepItemTableCellRenderer}.
         * 
         * @return label to show for a given RepItem.
         */
        protected static String getText(RepItem value) {
                if (value == null) {
                        return "NULL";
                }
                if (value instanceof PartyRepItem) {
                        PartyRepItem participant = ((PartyRepItem) value);
                        return participant.getName() + " (" + participant.getDescription()
                                        + ")";
                }
                if (value instanceof BoaPartyRepItem) {
                        return ((BoaPartyRepItem) value).getName();
                }

                if (value instanceof BoaRepItem) {
                        return ((BoaRepItem) value).getName();
                }
                return value.toString();
        }
}