Adding one more view with switching.

javafx-demo1/src/main/java/ch/tpolgrabia/javashowcase/javafxdemo/JavaFxApplication.java

@@ -1,25 +1,64 @@
 package ch.tpolgrabia.javashowcase.javafxdemo;
 
+import ch.tpolgrabia.javashowcase.javafxdemo.controllers.LoginController;
 import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
 import javafx.scene.Scene;
-import javafx.scene.control.Label;
-import javafx.scene.layout.StackPane;
 import javafx.stage.Stage;
 
+import java.io.IOException;
+import java.io.InputStream;
+
+// TODO add event bus like system to switch between views and add messaging
 public class JavaFxApplication extends Application {
+    private Stage stage;
+    private FXMLLoader loader;
+
     public static void main(String[] args) {
         launch(args);
     }
 
     @Override
     public void start(Stage stage) {
-        var javaVersion = System.getProperty("java.version");
+        this.stage = stage;
-        var javaFxVersion = System.getProperty("javafx.version");
+        this.loader = new FXMLLoader();
-        var l = new Label(
+
-                String.format("Hello JavaFX %s, running on java %s.",
+        switchToLogin();
-                        javaFxVersion, javaVersion));
+    }
-        var scene = new Scene(new StackPane(l), 640, 480);
+
-        stage.setScene(scene);
+    @Override
-        stage.show();
+    public void stop() {
+        this.stage = null;
+        this.loader = null;
+    }
+
+    private void switchToLogin() {
+        try (InputStream is = getClass().getClassLoader().getResourceAsStream("login.fxml")) {
+            var loader = new FXMLLoader();
+            Parent root = loader.load(is);
+            LoginController loginController = loader.getController();
+            loginController.setSwitchToHome(this::switchToHome);
+            var scene = new Scene(root, 640, 480);
+            stage.setScene(scene);
+            stage.show();
+
+        } catch (IOException e) {
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    public void switchToHome() {
+        try (InputStream is = getClass().getClassLoader().getResourceAsStream("home.fxml")) {
+            Parent root = loader.load(is);
+            var scene = new Scene(root, 640, 480);
+            stage.setScene(scene);
+            stage.show();
+
+        } catch (IOException e) {
+            e.printStackTrace();
+            System.exit(1);
+        }
     }
 }

javafx-demo1/src/main/java/ch/tpolgrabia/javashowcase/javafxdemo/controllers/HomeController.java

@@ -0,0 +1,4 @@
+package ch.tpolgrabia.javashowcase.javafxdemo.controllers;
+
+public class HomeController {
+}

javafx-demo1/src/main/java/ch/tpolgrabia/javashowcase/javafxdemo/controllers/LoginController.java

@@ -0,0 +1,25 @@
+package ch.tpolgrabia.javashowcase.javafxdemo.controllers;
+
+import javafx.fxml.FXML;
+import javafx.scene.control.PasswordField;
+import javafx.scene.control.TextField;
+
+public class LoginController {
+    @FXML
+    private TextField login;
+    @FXML
+    private PasswordField password;
+
+    private Runnable switchToHome;
+
+    public void setSwitchToHome(Runnable switchToHome) {
+        this.switchToHome = switchToHome;
+    }
+
+    @FXML
+    public void handleLogin() {
+        System.out.printf("Got data login: %s, password: %s\n",
+                login.getText(), password.getText());
+        switchToHome.run();
+    }
+}

javafx-demo1/src/main/java/module-info.java

@@ -5,5 +5,6 @@ module ch.tpolgrabia.javashowcase.javafx1demo {
     requires javafx.fxml;
 
     opens ch.tpolgrabia.javashowcase.javafxdemo to javafx.fxml;
+    opens ch.tpolgrabia.javashowcase.javafxdemo.controllers to javafx.fxml;
     exports ch.tpolgrabia.javashowcase.javafxdemo;
 }

javafx-demo1/src/main/resources/home.fxml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.text.Text?>
+<GridPane xmlns:fx="http://javafx.com/fxml"
+          fx:controller="ch.tpolgrabia.javashowcase.javafxdemo.controllers.HomeController"
+          alignment="CENTER"
+          hgap="10"
+          vgap="10">
+
+    <Text text="Welcome to Home"
+          GridPane.columnIndex="0" GridPane.rowIndex="0"
+          GridPane.columnSpan="2" GridPane.halignment="CENTER"
+    />
+
+    <Label text="User name: "
+           GridPane.columnIndex="0" GridPane.rowIndex="1"
+    />
+
+    <TextField
+            fx:id="login"
+            GridPane.columnIndex="1" GridPane.rowIndex="1"/>
+
+    <Label text="Password: "
+           GridPane.columnIndex="0" GridPane.rowIndex="2"
+    />
+
+    <PasswordField
+            fx:id="password"
+            GridPane.columnIndex="1" GridPane.rowIndex="2"/>
+
+    <HBox spacing="10" alignment="bottom_center"
+          GridPane.columnIndex="0" GridPane.rowIndex="4"
+          GridPane.columnSpan="2">
+        <Button text="Sign In NOP"/>
+    </HBox>
+
+</GridPane>

javafx-demo1/src/main/resources/login.fxml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.text.Text?>
+<GridPane xmlns:fx="http://javafx.com/fxml"
+          fx:controller="ch.tpolgrabia.javashowcase.javafxdemo.controllers.LoginController"
+          alignment="CENTER"
+          hgap="10"
+          vgap="10">
+
+    <Text text="Welcome"
+          GridPane.columnIndex="0" GridPane.rowIndex="0"
+          GridPane.columnSpan="2" GridPane.halignment="CENTER"
+    />
+
+    <Label text="User name: "
+           GridPane.columnIndex="0" GridPane.rowIndex="1"
+    />
+
+    <TextField
+            fx:id="login"
+            GridPane.columnIndex="1" GridPane.rowIndex="1"/>
+
+    <Label text="Password: "
+           GridPane.columnIndex="0" GridPane.rowIndex="2"
+    />
+
+    <PasswordField
+            fx:id="password"
+            GridPane.columnIndex="1" GridPane.rowIndex="2"/>
+
+    <HBox spacing="10" alignment="bottom_center"
+          GridPane.columnIndex="0" GridPane.rowIndex="4"
+          GridPane.columnSpan="2">
+        <Button text="Sign In"
+                onAction="#handleLogin"/>
+    </HBox>
+
+</GridPane>