jscrollpaneにいくつかの画像を追加し、jlist文字列が相対画像で選択されているときに正しい画像を表示する必要があります...しかし、それを行うには疑問があります。
public class Tela{
private JList<String> list;
public Tela(){
JFrame display = new JFrame();
display.setTitle("Maquina de Refrigerante");
String labels[] = { "Coca-Cola", "Fanta Laranja", "Fanta-Uva",
"Sprite"};
JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel,BoxLayout.Y_AXIS));
JPanel firstPanel = new JPanel();
JPanel buttonPanel = new JPanel();
JPanel secondPanel = new JPanel();
//downPanel.add(BorderLayout.SOUTH);
//downPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 30, 260));
secondPanel.setBackground(Color.WHITE);
secondPanel.setPreferredSize(new Dimension(110,110));
final JButton comprar = new JButton("Comprar");
comprar.setEnabled(false);
list = new JList<String>(labels);
list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
list.setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
list.setSelectedIndex(0);
JScrollPane pane = new JScrollPane();
pane.getViewport().add(list);
firstPanel.add(pane);
list.addListSelectionListener(new ListSelectionListener() {
@Override
public void valueChanged(ListSelectionEvent e) {
int selections[] = list.getSelectedIndices();
//String selectedValue = list.getSelectedValue();
Object selectionValues[] = list.getSelectedValues();
for (int i = 0, n = selections.length; i < n; i++) {
if (i == 0) {
System.out.println("Value" + selectionValues[i] );
}}
comprar.setEnabled(true);
}
});
ImageIcon image = new ImageIcon("assets/fantalogo.jpg");
JScrollPane jsp = new JScrollPane(new JLabel(image));
panel.add(jsp);
buttonPanel.add(comprar);
buttonPanel.add(Box.createRigidArea(new Dimension(0,4)));
buttonPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
panel.add(firstPanel);
panel.add(secondPanel);
panel.add(buttonPanel);
//panel.add(buttonPanel, BorderLayout.CENTER);
panel.setBackground(Color.BLACK);
display.add(panel);
display.setSize(550, 500);
display.setLocationRelativeTo(null);
display.setDefaultCloseOperation(display.EXIT_ON_CLOSE);
display.setVisible(true);
comprar.addActionListener(new Paga());
}
}
私のコードでは、どのように実装して正しい出力を表示できますか?