Now can bind any key to another, cannot bind multiple though

src/model/Action.java

-package model;
-
-import java.awt.*;
-
-/**
- * Testing program while the program is not yet completed so that we may test the system simulating keypresses.
- */
-public class Action extends Hotkey implements InputEmulator{
-    /**
-     * Robot which simulates user key presses
-     */
-    Robot robot;
-
-    /**
-     * Constructs an immutable hotkey.
-     * @param keyCode  The virtual keycode of the hotkey.
-     * @param id       The unique ID of the hotkey.
-     * @param modifier The modifier of the hotkey.
-     */
-    public Action(int keyCode, int id, int modifier) throws AWTException {
-        super(keyCode, id, modifier);
-        this.robot = new Robot();
-
-    }
-
-    /**
-     * Sends a given key to be emulated.
-     * @param keyCode The virtual keycode of the key.
-     * @param release True if the key is to be a key release input.
-     */
-    @Override
-    public void sendKey(int keyCode, boolean release) {
-        if (release) {
-            robot.keyPress(this.getKeyCode());
-            robot.keyRelease(this.getKeyCode());
-        }
-    }
-}

src/model/Binding.java

@@ -4,26 +4,30 @@ public class Binding {
     /**
      * Hotkey to be bound to an action
      */
-    Hotkey hotkey;
+    Hotkey hk1;
 
     /**
      * Action preformed when hotkey is pressed
      */
-    Action action;
+    Hotkey hk2;
 
-    /**
-     * The id of the hotkey and action pairing
-     */
-    int id;
 
     /**
      * Constructor to bind the hotkey and the action together
-     * @param hotkey hotkey which is submitted
-     * @param action the action to be preformed when the hotkey is pressed
+     *
+     * @param hotkey1 hotkey which is submitted
+     * @param hotkey2 the action to be preformed when the hotkey is pressed
      */
-    public Binding(Hotkey hotkey, Action action){
-        this.hotkey = hotkey;
-        this.action = action;
-        this.id = hotkey.getID();
+    public Binding(Hotkey hotkey1, Hotkey hotkey2) {
+        this.hk1 = hotkey1;
+        this.hk2 = hotkey2;
+    }
+
+    public int getID() {
+        return this.hk1.getID();
+    }
+
+    public int getActionCode() {
+        return this.hk2.getKeyCode();
     }
-}
+}
\ No newline at end of file

src/model/Demo.java

 package model;
 
+import ui.MainScreen;
+
+import java.util.ArrayList;
+import java.util.List;
+
 public class Demo implements Runnable {
-    int id = 0;
+    int id;
     boolean stop = false;
+    ArrayList<Binding> list = MainScreen.list;
 
     public Demo() {
 
@@ -10,11 +16,13 @@ public class Demo implements Runnable {
 
      public void run() {
          while (!stop) {
-             if (OSInterface.getInstance().wasPressed(id)) {
-                OSInterface.getInstance().sendKey(0x70, false);
+             for (Binding binding : list) {
+                 if (OSInterface.getInstance().wasPressed(binding.getID())) {
+                     OSInterface.getInstance().sendKey(binding.getActionCode(), true);
+                     }
+                 }
              }
          }
-     }
 
      public void stop() {
         stop = true;

src/ui/MainScreen.java

@@ -5,10 +5,14 @@ import javafx.scene.control.Button;
 import javafx.scene.control.ComboBox;
 import javafx.scene.layout.Pane;
 import javafx.stage.Stage;
+import model.Binding;
 import model.Hotkey;
 import model.Modifier;
 import model.OSInterface;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * mainScreen is the main UI page for the program. All user functions start here.
  */
@@ -17,6 +21,7 @@ public class MainScreen extends Pane {
         Stage primaryStage = new Stage();
         Scene mainScreenScene = new Scene(this, 800, 800);
         int id = 0;
+        public static ArrayList<Binding> list = new ArrayList<>();
 
 
         public MainScreen() {
@@ -146,6 +151,9 @@ public class MainScreen extends Pane {
                 "-fx-pref-width: 100px; -fx-pref-height: 50px; -fx-text-align: center;");
         save.setOnAction(e -> {
             Hotkey newHotkey = new Hotkey(KBV.getKeyToBind(), id, Modifier.NONE.val());
+            Hotkey action = new Hotkey(KBV.getKeyAction(), id, Modifier.NONE.val());
+            Binding binding = new Binding(newHotkey, action);
+            list.add(binding);
             id ++;
             boolean register = OSInterface.getInstance().registerHotkey(newHotkey);
             primaryStage.setScene(mainScreenScene);