Started implementing the Account listing of a User

src/main/java/me/zacharias/bank/Main.java

@@ -13,15 +13,16 @@ public class Main {
     User user;
 
     public static void main(String[] args) {
-        String user = SHA256("user");
+        String username = "user";
+        String user = SHA256(username);
         File userFile = new File("./users/" + user + ".json");
 
         if(!userFile.exists()) {
 
-            User u = new User("user");
+            User u = new User(username);
             u.createAccount("Konto");
             Account a = u.getAccount("Konto");
-            a.DepositTransaction(104, "Deposit", UUID.randomUUID());
+            a.DepositTransaction(100, "Deposit", UUID.randomUUID());
 
             String json = gson.toJson(u);
             try {

src/main/java/me/zacharias/bank/app/MainMenu.java

@@ -2,6 +2,8 @@ package me.zacharias.bank.app;
 
 import me.zacharias.bank.Account;
 import me.zacharias.bank.User;
+import me.zacharias.bank.app.component.DrawManager;
+import me.zacharias.bank.app.component.InteractiveList;
 
 import javax.swing.*;
 import java.awt.*;
@@ -14,7 +16,7 @@ public class MainMenu extends JPanel {
     JLabel welcome;
     JButton logout;
     
-    JList<Account> accountList;
+    InteractiveList<Account> accountList;
     
     public MainMenu(User user, Main bankApplication) {
         this.user = user;
@@ -31,23 +33,20 @@ public class MainMenu extends JPanel {
             bankApplication.logout();
         });
         
-        accountList = new JList<>();
-        accountList.setBounds(getWidth()/2-100, 80, 200, 30);
-        accountList.setModel(new DefaultListModel<>());
-        accountList.setBackground(Color.GRAY);
-        accountList.setCellRenderer(new ListCellRenderer<Account>() {
-            @Override
-            public Component getListCellRendererComponent(JList<? extends Account> list, Account value, int index, boolean isSelected, boolean cellHasFocus) {
-                JButton label = new JButton();
-                label.setText(value.getName() + " " + value.getBalance() + " kr");
-                label.setBackground(Color.GRAY);
-                label.addActionListener(e -> {
-                    bankApplication.showAccount(value);
-                });
-                return label;
-            }
+        accountList = new InteractiveList<>();
+        accountList.setBounds(0, 100, getWidth(), getHeight()-200);
+        accountList.setDrawManager((DrawManager<Account>) (interactiveList, item, index, isHovered, isSelected) -> {
+            JLabel label = new JLabel(item.getName());
+            label.setOpaque(true);
+            label.setBackground(isSelected ? Color.GREEN : Color.WHITE);
+            label.setForeground(isHovered ? Color.WHITE : Color.BLACK);
+            return label;
         });
         
+        for (Account account : user.getAccounts()) {
+            accountList.add(account);
+        }
+        
         this.add(welcome);
         this.add(logout);
         this.add(accountList);
@@ -57,10 +56,9 @@ public class MainMenu extends JPanel {
     protected void paintComponent(Graphics g) {
         welcome.setBounds(getWidth()/2-100, 10, 200, 30);
         logout.setBounds(getWidth()/2-100, getHeight()-50, 200, 30);
-        accountList.setBounds(getWidth()/2-100, 80, 200, 30);
+        accountList.setBounds(getWidth()/2-100, getHeight()-80, 200, 300);
         
-        
-        accountList.setListData(user.getAccounts().toArray(new Account[0]));
+        accountList.setList(user.getAccounts());
         super.paintComponent(g);
     }
 }

src/main/java/me/zacharias/bank/app/component/DrawManager.java

@@ -0,0 +1,7 @@
+package me.zacharias.bank.app.component;
+
+import java.awt.*;
+
+public interface DrawManager<T> {
+    Component draw(InteractiveList<T> interactiveList, T item, int index, boolean isHovered, boolean isSelected);
+}

src/main/java/me/zacharias/bank/app/component/InteractiveList.java

@@ -0,0 +1,59 @@
+package me.zacharias.bank.app.component;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.ArrayList;
+
+public class InteractiveList<T> extends JPanel {
+    ArrayList<T> list;
+    DrawManager<T> drawManager;
+    
+    public InteractiveList() {
+        list = new ArrayList<>();
+        drawManager = new DrawManager<T>() {
+            @Override
+            public Component draw(InteractiveList<T> interactiveList, T item, int index, boolean isHovered, boolean isSelected) {
+                JLabel label = new JLabel(item.toString());
+                label.setOpaque(true);
+                label.setBackground(isSelected ? Color.GREEN : Color.WHITE);
+                label.setForeground(isHovered ? Color.WHITE : Color.BLACK);
+                return label;
+            }
+        };
+    }
+    
+    public void add(T item) {
+        list.add(item);
+    }
+    
+    public void remove(T item) {
+        list.remove(item);
+    }
+    
+    public void clear() {
+        list.clear();
+    }
+    
+    public void setList(ArrayList<T> list) {
+        this.list = list;
+    }
+    
+    public ArrayList<T> getList() {
+        return list;
+    }
+    
+    public void setDrawManager(DrawManager drawManager) {
+        this.drawManager = drawManager;
+    }
+    
+    protected void paintComponent(Graphics g) {
+        super.paintComponent(g);
+        //this.removeAll();
+        for (int i = 0; i < list.size(); i++) {
+            Component component = drawManager.draw(this, list.get(i), i, false, false);
+            component.setBounds(0, i * component.getHeight(), getWidth(), component.getHeight());
+            //add(component);
+            component.paint(g);
+        }
+    }
+}