java-util-graphics/src/main/lombok/org/leumasjaffe/graphics/PanelRenderer.java

package org.leumasjaffe.graphics;

import java.awt.Component;

import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListCellRenderer;

/**
 * A simple helper object that allows formatting a JList (multi-selection list
 * UI element) with JPanel elements instead of a more conventional type such as
 * JLabels.
 * 
 * @author Samuel Jaffe
 */
public class PanelRenderer implements ListCellRenderer<JPanel> {

    @Override
    public Component getListCellRendererComponent(JList<? extends JPanel> list, JPanel renderer, 
    		int index, boolean isSelected, boolean cellHasFocus) {
        renderer.setBackground(isSelected ? list.getSelectionBackground() : list.getBackground());
        return renderer;
    }
}