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Vote.java
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Vote.java
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package rex.vote;
import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.Group;
import javafx.scene.control.*;
import javafx.scene.paint.Color;
import javafx.geometry.Insets;
import javafx.event.*;
import javafx.scene.input.*;
public class Vote extends Application {
static Label lbl = null;
static Button btn = null;
static TextField tf;
@Override public void start(Stage primaryStage) {
Group root = new Group();
HBox hb = new HBox();
hb.setPadding(new Insets(20, 0 ,20, 0));
tf = new TextField();
tf.setStyle("-fx-pref-width: 200px; -fx-pref-height: 34px;-fx-font-size: 16px;");
Label tlbl = new Label("Enter Age: ");
tlbl.setStyle("-fx-font-size: 16px;");
tlbl.setPadding(new Insets(5, 10, 0 ,20));
hb.getChildren().addAll(tlbl, tf);
VBox vb = new VBox();
// vb.setPadding(new Insets(20));
lbl = new Label("No Information Available Currently");
lbl.setStyle("-fx-font-size: 16px;");
lbl.setPadding(new Insets(20, 0 , 20 ,0));
btn = new Button("Check");
btn.setStyle("-fx-pref-width: 100px; -fx-pref-height: 34px;-fx-base: #337ab7;-fx-font-size: 16px;");
vb.getChildren().addAll(hb, btn, lbl);
vb.setStyle("-fx-alignment: center");
root.getChildren().add(vb);
Scene scene = new Scene(root, 320, 240, Color.rgb(240, 240, 240));
primaryStage.setTitle("Voting Eligiblity Program");
primaryStage.setScene(scene);
primaryStage.show();
btn.setDisable(true);
btn.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
checkAge();
}
});
btn.setOnKeyTyped(new EventHandler<KeyEvent>() {
@Override
public void handle(KeyEvent e) {
checkAge();
}
});
tf.setOnKeyTyped(new EventHandler<KeyEvent>() {
@Override
public void handle(KeyEvent e) {
btn.setDisable(false);
}
});
}
public void checkAge() {
try {
int age = Integer.parseInt(tf.getText());
if (age < 18) {
age = 18 - age;
throw new InvalidAgeException("Wait " + age + " years and then try to Vote.");
} else {
throw new ValidAgeException("You are ready to Vote.");
}
} catch(NumberFormatException e) {
lbl.setText("Please Enter a Valid Age, can't caste "+tf.getText() + " to Integer.");
} catch(InvalidAgeException e) {
lbl.setText(":( - " + e.getMessage());
} catch(ValidAgeException e) {
lbl.setText(":) - " + e.getMessage());
}
}
public static void main(String[] args) {
launch(args);
}
}