some other feature such as pressing esc key to clear command box

src/main/java/seedu/malitio/ui/CommandBox.java

@@ -65,6 +65,13 @@ public String getFxmlPath() {
     public void setPlaceholder(AnchorPane pane) {
         this.placeHolderPane = pane;
     }
+
+    /**
+     * Clears the command box
+     */
+    public void clearCommandBox() {
+        commandTextField.clear();
+    }
 
 
     @FXML
@@ -110,5 +117,5 @@ private void restoreCommandText() {
     private void setStyleToIndicateIncorrectCommand() {
         commandTextField.getStyleClass().add("error");
     }
-
+    
 }

src/main/java/seedu/malitio/ui/MainWindow.java

@@ -51,6 +51,9 @@ public class MainWindow extends UiPart {
 
     @FXML
     private MenuItem helpMenuItem;
+
+    @FXML
+    private MenuItem clearCommandBoxMenuItem;
 
     @FXML
     private AnchorPane taskListPanelPlaceholder;
@@ -111,6 +114,7 @@ private void configure(String appTitle, String malitioName, Config config, UserP
 
     private void setAccelerators() {
         helpMenuItem.setAccelerator(KeyCombination.valueOf("F1"));
+        clearCommandBoxMenuItem.setAccelerator(KeyCombination.valueOf("ESC"));
     }
 
     void fillInnerParts() {
@@ -196,6 +200,11 @@ public void show() {
     private void handleExit() {
         raise(new ExitAppRequestEvent());
     }
+
+    @FXML
+    private void clearCommandBox() {
+        commandBox.clearCommandBox();
+    }
 
     public FloatingTaskListPanel getTaskListPanel() {
         return this.taskListPanel;

src/main/resources/view/MainWindow.fxml

@@ -20,6 +20,7 @@
 				<Menu mnemonicParsing="false" text="File">
 					<items>
 						<MenuItem mnemonicParsing="false" onAction="#handleExit" text="Exit" />
+                  <MenuItem fx:id="clearCommandBoxMenuItem" mnemonicParsing="false" onAction="#clearCommandBox" text="Clear Command Box" />
 					</items>
 				</Menu>
 				<Menu mnemonicParsing="false" text="Help">