Warning messages are now displayed in windows

MerchantRPGCSE2102/src/view/TransactionUI.java

@@ -1,6 +1,7 @@
 package view;
 
 import java.awt.EventQueue;
+import java.awt.FlowLayout;
 
 import javax.swing.JComboBox;
 import javax.swing.JFrame;
@@ -26,7 +27,7 @@
 @SuppressWarnings("serial")
 public class TransactionUI extends JFrame {
 
-	private JPanel contentPane;
+	private static JPanel contentPane;
 	private static Transaction MASTER;				//TransactionUI class will hold the instance of the Transaction that created it
 	private static boolean _inTransaction;			//Prevents the user from making multiple transaction windows
 
@@ -201,6 +202,7 @@ public void mouseClicked(MouseEvent e) {											//information is consumed whe
 				}
 				catch(NumberFormatException exception){
 					System.out.println("Must input an amount that you can afford");
+					createWarning("Must input an amount that you can afford");
 				}
 			}
 		});
@@ -292,19 +294,48 @@ public void mouseClicked(MouseEvent e) {													//information is consumed w
 						}
 						catch(MerchantNotEnoughCashException mnecexception){
 							System.out.println("Merchant does not have enough cash");
+							createWarning("Merchant does not have enough cash");
 						}
 					}
 					catch(NumberFormatException exception){
-						System.out.println("Must input a number less than or equal to the total amount of the item that you have");
+						System.out.println("You do not have enough of that item");
+						createWarning("You do not have enough of that item");
 					}
 				}
 				catch(NotInInventoryException niiexception){
-					System.out.println("Merchant does not accept that item");;
+					System.out.println("Merchant does not accept that item");
+					createWarning("Merchant does not accept that item");
 				}
 			}
 		});
 		btnAccept.setBounds(247, 306, 89, 23);
 		contentPane.add(btnAccept);
 		frame.setVisible(true);
 	}
+
+	public static void createWarning(String message) {
+		final JFrame contentFrame = new JFrame();
+		contentFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+		contentFrame.setBounds(100, 100, 450, 300);
+		contentPane = new JPanel();
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		contentFrame.setContentPane(contentPane);
+		contentPane.setLayout(null);
+
+		JButton btnOk = new JButton("Ok");
+		btnOk.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseClicked(MouseEvent arg0) {
+				_inTransaction = false;
+				contentFrame.dispose();
+			}
+		});
+		btnOk.setBounds(162, 203, 103, 32);
+		contentPane.add(btnOk);
+
+		JLabel lblNewLabel = new JLabel(message);
+		lblNewLabel.setBounds(80, 102, 265, 49);
+		contentPane.add(lblNewLabel);
+		contentFrame.setVisible(true);
+	}
 }