Add welcome message on chatbot startup

C5hives · Sep 18, 2024 · d900777 · d900777
1 parent d31873c
commit d900777
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Showing 3 changed files with 35 additions and 9 deletions.
diff --git a/src/main/java/lawrence/app/Lawrence.java b/src/main/java/lawrence/app/Lawrence.java
@@ -98,4 +98,9 @@ public Response getResponse(String input) {
             return new Response(CommandType.INVALID, message, true);
         }
     }
+
+    public String getWelcomeMessage() {
+        return String.format("Hello! I'm %s and I'm here to establish another GST hike.%n"
+                + "What can I do for you?", NAME);
+    }
 }
diff --git a/src/main/java/lawrence/ui/Main.java b/src/main/java/lawrence/ui/Main.java
@@ -21,10 +21,13 @@ public void start(Stage stage) {
         try {
             FXMLLoader fxmlLoader = new FXMLLoader(Main.class.getResource("/view/MainWindow.fxml"));
             AnchorPane ap = fxmlLoader.load();
+
             Scene scene = new Scene(ap);
             stage.setScene(scene);
             stage.setTitle("Lawrence Chatbot");
+
             fxmlLoader.<MainWindow>getController().setLawrence(lawrence);
+            fxmlLoader.<MainWindow>getController().showWelcomeMessage();
             stage.show();
         } catch (IOException e) {
             e.printStackTrace();

diff --git a/src/main/java/lawrence/ui/components/MainWindow.java b/src/main/java/lawrence/ui/components/MainWindow.java
@@ -10,6 +10,7 @@
 import javafx.scene.layout.VBox;
 import lawrence.app.Lawrence;
 import lawrence.app.Response;
+import lawrence.command.CommandType;
 
 /**
  * Controller for the main GUI.
@@ -34,15 +35,7 @@ public class MainWindow extends AnchorPane {
      */
     @FXML
     public void initialize() {
-        // add a listener to detect scrolling on the dialogContainer
-        dialogContainer.setOnScroll(event -> {
-            // get change in scroll direction
-            double deltaY = event.getDeltaY();
-            double scrollAmount = scrollPane.getVvalue() - deltaY
-                    / scrollPane.getContent().getBoundsInLocal().getHeight();
-
-            scrollPane.setVvalue(scrollAmount);
-        });
+        setScrollListener();
     }
 
     /**
@@ -76,6 +69,31 @@ private void handleUserInput() {
         scrollToBottom();
     }
 
+    /**
+     * Displays a welcome message.
+     */
+    public void showWelcomeMessage() {
+        Response welcomeResponse = new Response(CommandType.INVALID,
+                lawrence.getWelcomeMessage(),
+                true);
+        dialogContainer.getChildren().add(
+                DialogBox.getBotDialog(welcomeResponse, botImage));
+    }
+
+    /**
+     * Initialises a listener to handle scroll events.
+     */
+    private void setScrollListener() {
+        dialogContainer.setOnScroll(event -> {
+            // get change in scroll direction
+            double deltaY = event.getDeltaY();
+            double scrollAmount = scrollPane.getVvalue() - deltaY
+                    / scrollPane.getContent().getBoundsInLocal().getHeight();
+
+            scrollPane.setVvalue(scrollAmount);
+        });
+    }
+
     /**
      * Sets the vertical value of the scroll pane to emulate scrolling to the bottom of the dialog box.
      */