Merge pull request #3 from RIT-SWEN-262/user-input-dev

User input dev

1 files changed, 30 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..7677793
--- /dev/null
+++ b/src/main/java/design/controller/userinput/Menu.java
@@ -0,0 +1,30 @@
+package design.controller.userinput;
+
+import java.util.*;
+
+public abstract class Menu {
+    public abstract String getTitle();
+
+    public abstract List<MenuOption> getMenuOptions();
+
+    public void present() {
+        var menuOptions = getMenuOptions();
+        System.out.printf("-- %s --\n", getTitle().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();
+        }
+    }
+
+}