Login page

ChatApp/app/src/main/java/client/ClientGui.java

@@ -18,8 +18,8 @@ public class ClientGui extends Application {
 
 	@Override
 	public void start(Stage stage) throws Exception {
-		FXMLLoader loader = new FXMLLoader(getClass().getResource("/client/clientLoading.fxml"));
-		Scene scene = new Scene(loader.load(), 800, 600);
+		FXMLLoader loader = new FXMLLoader(getClass().getResource("/client/clientLogin.fxml"));
+		Scene scene = new Scene(loader.load(), 400, 240);
 
 		double screenWidth = Screen.getPrimary().getVisualBounds().getWidth();
 		double screenHeight = Screen.getPrimary().getVisualBounds().getHeight();

ChatApp/app/src/main/java/client/ClientLogin.java

@@ -0,0 +1,25 @@
+package client;
+
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.scene.control.TextField;
+import javafx.stage.Stage;
+import client.ClientGui;
+import java.io.IOException;
+
+import static utilities.FxUtilities.centerStage;
+
+public class ClientLogin {
+    @FXML
+    public TextField usernameField;
+
+    @FXML
+    private void login() throws IOException {
+        var loader = new FXMLLoader(getClass().getResource("/client/clientLoading.fxml"));
+        loader.load();
+        Stage stage = (Stage) usernameField.getScene().getWindow();
+        stage.setScene(new Scene(loader.getRoot(), 800, 600));
+        centerStage(stage);
+    }
+}

ChatApp/app/src/main/java/utilities/FxUtilities.java

@@ -0,0 +1,17 @@
+package utilities;
+
+import javafx.stage.Screen;
+import javafx.stage.Stage;
+
+public class FxUtilities {
+    public static void centerStage(Stage stage) {
+        double screenWidth = Screen.getPrimary().getVisualBounds().getWidth();
+        double screenHeight = Screen.getPrimary().getVisualBounds().getHeight();
+
+        double xPos = screenWidth / 2 - stage.getWidth() / 2;
+        double yPos = screenHeight / 2 - stage.getHeight() / 2;
+
+        stage.setX(xPos);
+        stage.setY(yPos);
+    }
+}

ChatApp/app/src/main/resources/client/clientLogin.fxml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import java.lang.*?>
+<?import java.util.*?>
+<?import javafx.scene.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+
+<?import javafx.geometry.Insets?>
+<GridPane xmlns="http://javafx.com/javafx"
+          xmlns:fx="http://javafx.com/fxml"
+          fx:controller="client.ClientLogin"
+          prefHeight="400.0" prefWidth="600.0">
+
+    <VBox spacing="10.0" GridPane.columnIndex="1" GridPane.rowIndex="1">
+        <Label text="Enter your username"/>
+        <TextField fx:id="usernameField"/>
+        <Button text="Login" onAction="#login"/>
+    </VBox>
+
+    <columnConstraints>
+        <ColumnConstraints hgrow="ALWAYS"/>
+        <ColumnConstraints halignment="CENTER"/>
+        <ColumnConstraints hgrow="ALWAYS"/>
+    </columnConstraints>
+
+    <rowConstraints>
+        <RowConstraints vgrow="ALWAYS"/>
+        <RowConstraints valignment="CENTER"/>
+        <RowConstraints vgrow="ALWAYS"/>
+    </rowConstraints>
+
+</GridPane>