OOP-JAVA Practical 20

• PPS(C)
• JAvA

• Aim: Write a GUI program that use button to move the message to the left and right and use the radio button to change the color for the message displayed.
• Code:

  import javafx.application.Application;
  import javafx.geometry.Pos;
  import javafx.scene.Scene;
  import javafx.scene.control.Button;
  import javafx.scene.control.RadioButton;
  import javafx.scene.control.ToggleGroup;
  import javafx.scene.layout.BorderPane;
  import javafx.scene.layout.HBox;
  import javafx.scene.layout.Pane;
  import javafx.scene.paint.Color;
  import javafx.scene.text.Text;
  import javafx.stage.Stage;
  public class practical20 extends Application {
      protected Text text = new Text(70, 70, "Hello Users");
      @Override
      public void start(Stage primaryStage) {
          HBox paneForButtons = new HBox(20);
          Button btLeft = new Button("<=");
          Button btRight = new Button("=>");
          paneForButtons.getChildren().addAll(btLeft, btRight);
          paneForButtons.setAlignment(Pos.CENTER);
          BorderPane pane = new BorderPane();
          pane.setBottom(paneForButtons);
          HBox paneForRadioButtons = new HBox(20);
          RadioButton rbRed = new RadioButton("Red");
          RadioButton rbYellow = new RadioButton("Yellow");
          RadioButton rbBlack = new RadioButton("Black");
          RadioButton rbOrange = new RadioButton("Orange");
          RadioButton rbGreen = new RadioButton("Green");
          paneForRadioButtons.getChildren().addAll(rbRed, rbYellow, rbBlack, rbOrange, rbGreen);
          ToggleGroup group = new ToggleGroup();
          rbRed.setToggleGroup(group);
          rbYellow.setToggleGroup(group);
          rbBlack.setToggleGroup(group);
          rbOrange.setToggleGroup(group);
          rbGreen.setToggleGroup(group);
          Pane paneForText = new Pane();
          paneForText.setStyle("-fx-border-color: black");
          paneForText.getChildren().add(text);
          pane.setCenter(paneForText);
          pane.setTop(paneForRadioButtons);
          btLeft.setOnAction(e -> text.setX(text.getX() - 10));
          btRight.setOnAction(e -> text.setX(text.getX() + 10));
          rbRed.setOnAction(e -> {
              if (rbRed.isSelected()) {
                  text.setFill(Color.RED);
              }
          });
          rbYellow.setOnAction(e -> {
              if (rbYellow.isSelected()) {
                  text.setFill(Color.YELLOW);
              }
          });
          rbBlack.setOnAction(e -> {
              if (rbBlack.isSelected()) {
                  text.setFill(Color.BLACK);
              }
          });
          rbOrange.setOnAction(e -> {
              if (rbOrange.isSelected()) {
                  text.setFill(Color.ORANGE);
              }
          });
          rbGreen.setOnAction(e -> {
              if (rbGreen.isSelected()) {
                  text.setFill(Color.GREEN);
              }
          });
          Scene scene = new Scene(pane, 450, 150);
          primaryStage.setTitle("practical20");
          primaryStage.setScene(scene);
          primaryStage.show();
      }
      public static void main(String[] args) {
          Application.launch(args);
      }
  }

• Output:
  

Practical 19 Practical 21