Initial version mostly working

1 files changed, 54 insertions, 0 deletions

diff --git a/src/main/java/design/controller/userinput/Menu.java b/src/main/java/design/controller/userinput/Menu.java
new file mode 100644
index 0000000..407d2ca
--- /dev/null
+++ b/src/main/java/design/controller/userinput/Menu.java
@@ -0,0 +1,54 @@
+package design.controller.userinput;
+
+import java.util.*;
+
+public class Menu {
+    private final String title;
+    private final List<MenuOption> menuOptions;
+
+    public Menu(String title, List<MenuOption> menuOptions) {
+        this.title = title;
+        this.menuOptions = menuOptions;
+    }
+
+    public Menu(String title) {
+        this.title = title;
+        this.menuOptions = new ArrayList<>();
+    }
+
+    public boolean remove(MenuOption menuOption) {
+        return menuOptions.remove(menuOption);
+    }
+
+    public boolean addAll(List<MenuOption> c) {
+        return menuOptions.addAll(c);
+    }
+
+    public boolean addAll(MenuOption... c) {
+        return addAll(Arrays.stream(c).toList());
+    }
+
+    public boolean add(MenuOption menuOption) {
+        return menuOptions.add(menuOption);
+    }
+
+    public void present() {
+        System.out.printf("-- %s --\n", title.toUpperCase());
+        for (int i = 0; i < menuOptions.size(); i++) {
+            MenuOption menuOption = menuOptions.get(i);
+            System.out.printf("%s: %s\n", i, menuOption.getName());
+        }
+        Scanner sc = new Scanner(System.in);
+        var line = sc.nextLine();
+        var split = line.split(" ");
+
+        try {
+            int i = Integer.parseInt(split[0]);
+            menuOptions.get(i).onCommand(Arrays.copyOfRange(split, 1, split.length));
+        } catch (Exception ex) {
+            System.err.printf("Invalid option \"%s\"\n", line);
+            present();
+        }
+    }
+
+}