import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.sql.*; public class Menu extends JFrame implements ActionListener { JScrollPane sc = null; JButton a = null; JButton v = null; JList list = null; String url = "jdbc:mariadb://127.0.0.1:3306/bundesliga"; String table = null; public static void main(String[] args) { Menu m = new Menu(); m.setVisible(true); } public Menu() { this.setSize(500, 600); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setLayout(null); this.setBackground(Color.WHITE); JLabel lbl = new JLabel(""); ImageIcon img = new ImageIcon(new ImageIcon(Menu.class.getResource("/image/Bundesiga.jfif")).getImage()); lbl.setIcon(img); lbl.setBounds(150, 50, 200,202); this.getContentPane().add(lbl); this.add(lbl); v = new JButton("Einzelansicht"); v.setBounds(200, 420, 100, 60); v.setFont(new Font("Arial", Font.PLAIN, 11)); v.setForeground(Color.black); v.setBackground(Color.white); v.addActionListener(e -> { table = list.getSelectedValue().toString(); Einzelansicht a = new Einzelansicht(table); a.setVisible(true); this.dispose(); }); a = new JButton("Anzeigen"); a.setBounds(200, 350, 90, 60); a.setFont(new Font("Arial", Font.PLAIN, 12)); a.setForeground(Color.black); a.setBackground(Color.white); a.addActionListener(e -> { try (Connection conn = DriverManager.getConnection(url, "root", "")) { if (list.isSelectionEmpty()) { JOptionPane.showMessageDialog(null, "Wählen sie eine Tabelle aus!"); } else { table = list.getSelectedValue().toString(); Tabellen t = new Tabellen(url, table); t.setVisible(true); t.setTitle(list.getSelectedValue().toString()); this.dispose(); } } catch (SQLException ex) { throw new RuntimeException(ex); } }); this.add(a); DefaultListModel liste = new DefaultListModel(); list = new JList(liste); list.addListSelectionListener(e -> { if (list.getSelectedValue().toString().equalsIgnoreCase("Verein") || list.getSelectedValue().toString().equalsIgnoreCase("test")) { this.add(v); } else this.remove(v); }); sc = new JScrollPane(); sc.setViewportView(list); sc.setBounds(30, 300, 150, 200); this.add(sc); try (Connection conn = DriverManager.getConnection(url, "root", "")) { Statement s = conn.createStatement(); ResultSet r = s.executeQuery("Show Tables"); while (r.next()) { liste.addElement(r.getString("Tables_In_bundesliga")); } } catch (SQLException e) { throw new RuntimeException(e); } } public void paint(Graphics g) { super.paint(g); repaint(); } @Override public void actionPerformed(ActionEvent e) { } }