Zurück Button eingefügt

PR2 KI Projekt/src/FakturamaGUI.java

@@ -1,6 +1,5 @@
 import javax.swing.*;
 import java.awt.*;
-import java.awt.event.*;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -101,6 +100,10 @@ public class FakturamaGUI {
             updateTextArea();
         });
 
+        JButton backButton = new JButton("Zurück");
+        backButton.setBackground(new Color(255, 182, 193)); // Hellrot
+        backButton.addActionListener(e -> updateTextArea());
+
         panel.add(nameLabel);
         panel.add(nameField);
         panel.add(addressLabel);
@@ -111,8 +114,8 @@ public class FakturamaGUI {
         panel.add(taxExemptBox);
         panel.add(smallBusinessLabel);
         panel.add(smallBusinessBox);
-        panel.add(new JLabel());
         panel.add(addButton);
+        panel.add(backButton);
 
         showPanel(panel);
     }
@@ -139,6 +142,10 @@ public class FakturamaGUI {
             updateTextArea();
         });
 
+        JButton backButton = new JButton("Zurück");
+        backButton.setBackground(new Color(255, 182, 193)); // Hellrot
+        backButton.addActionListener(e -> updateTextArea());
+
         panel.add(unitLabel);
         panel.add(unitField);
         panel.add(descriptionLabel);
@@ -147,8 +154,8 @@ public class FakturamaGUI {
         panel.add(netPriceField);
         panel.add(vatRateLabel);
         panel.add(vatRateField);
-        panel.add(new JLabel());
         panel.add(addButton);
+        panel.add(backButton);
 
         showPanel(panel);
     }
@@ -156,18 +163,13 @@ public class FakturamaGUI {
     private void showCreateOfferPanel() {
         JPanel panel = new JPanel(new BorderLayout());
         JPanel formPanel = new JPanel(new GridLayout(4, 2));
-        
+
         JLabel customerLabel = new JLabel("Kunde:");
         JComboBox<String> customerBox = new JComboBox<>();
         for (Main.Customer customer : Main.customers) {
             customerBox.addItem(customer.name);
         }
 
-        JLabel articlesLabel = new JLabel("Artikel:");
-        JList<String> articlesList = new JList<>(Main.articles.stream().map(a -> a.description).toArray(String[]::new));
-        articlesList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
-        JScrollPane articlesScrollPane = new JScrollPane(articlesList);
-
         JLabel dateLabel = new JLabel("Datum:");
         JTextField dateField = new JTextField();
 
@@ -176,6 +178,11 @@ public class FakturamaGUI {
         formPanel.add(dateLabel);
         formPanel.add(dateField);
 
+        JLabel articlesLabel = new JLabel("Artikel:");
+        JList<String> articlesList = new JList<>(Main.articles.stream().map(a -> a.description).toArray(String[]::new));
+        articlesList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
+        JScrollPane articlesScrollPane = new JScrollPane(articlesList);
+
         JButton addButton = new JButton("Erstellen");
         addButton.setBackground(new Color(144, 238, 144)); // Hellgrün
         addButton.addActionListener(e -> {
@@ -191,10 +198,18 @@ public class FakturamaGUI {
             updateTextArea();
         });
 
+        JButton backButton = new JButton("Zurück");
+        backButton.setBackground(new Color(255, 182, 193)); // Hellrot
+        backButton.addActionListener(e -> updateTextArea());
+
+        JPanel buttonPanel = new JPanel(new GridLayout(1, 2));
+        buttonPanel.add(addButton);
+        buttonPanel.add(backButton);
+
         panel.add(formPanel, BorderLayout.NORTH);
-        panel.add(new JLabel("Artikel auswählen:"), BorderLayout.CENTER);
+        panel.add(articlesLabel, BorderLayout.CENTER);
         panel.add(articlesScrollPane, BorderLayout.CENTER);
-        panel.add(addButton, BorderLayout.SOUTH);
+        panel.add(buttonPanel, BorderLayout.SOUTH);
 
         showPanel(panel);
     }
@@ -221,12 +236,16 @@ public class FakturamaGUI {
             updateTextArea();
         });
 
+        JButton backButton = new JButton("Zurück");
+        backButton.setBackground(new Color(255, 182, 193)); // Hellrot
+        backButton.addActionListener(e -> updateTextArea());
+
         panel.add(offerLabel);
         panel.add(offerBox);
         panel.add(dateLabel);
         panel.add(dateField);
-        panel.add(new JLabel());
         panel.add(addButton);
+        panel.add(backButton);
 
         showPanel(panel);
     }
@@ -254,12 +273,16 @@ public class FakturamaGUI {
             updateTextArea();
         });
 
+        JButton backButton = new JButton("Zurück");
+        backButton.setBackground(new Color(255, 182, 193)); // Hellrot
+        backButton.addActionListener(e -> updateTextArea());
+
         panel.add(orderConfirmationLabel);
         panel.add(orderConfirmationBox);
         panel.add(dateLabel);
         panel.add(dateField);
-        panel.add(new JLabel());
         panel.add(addButton);
+        panel.add(backButton);
 
         showPanel(panel);
     }
@@ -288,19 +311,30 @@ public class FakturamaGUI {
             updateTextArea();
         });
 
+        JButton backButton = new JButton("Zurück");
+        backButton.setBackground(new Color(255, 182, 193)); // Hellrot
+        backButton.addActionListener(e -> updateTextArea());
+
         panel.add(deliveryNoteLabel);
         panel.add(deliveryNoteBox);
         panel.add(dateLabel);
         panel.add(dateField);
-        panel.add(new JLabel());
         panel.add(addButton);
+        panel.add(backButton);
 
         showPanel(panel);
     }
 
     private void showPanel(JPanel panel) {
         frame.getContentPane().removeAll();
-        frame.getContentPane().add(panel, BorderLayout.NORTH);
+        frame.getContentPane().add(panel, BorderLayout.CENTER);
+        frame.revalidate();
+        frame.repaint();
+    }
+
+    private void showPanel(JScrollPane scrollPane) {
+        frame.getContentPane().removeAll();
+        frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
         frame.revalidate();
         frame.repaint();
     }
@@ -335,6 +369,7 @@ public class FakturamaGUI {
             sb.append("Rechnung #").append(invoice.id).append(" - ").append(invoice.deliveryNote.orderConfirmation.offer.customer.name).append(" - ").append(invoice.date).append(" - ").append(invoice.status).append("\n");
         }
         textArea.setText(sb.toString());
+        showPanel(new JScrollPane(textArea));
     }
 
     public static void main(String[] args) {