test.java

package me.aurous.ui.handlers;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

import javafx.application.Platform;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.ButtonType;

/**
 * @author Andrew
 *
 */
public class AurousAlert {
	/**
	 * The displayed message
	 */
	String message;

	/**
	 * Title of our alert window
	 */
	String title;

	/**
	 * The flag for the alert type
	 */
	AlertType type;

	/**
	 * Construct an alert
	 *
	 * @param message
	 *            to be dispalyed at time of alert
	 * @param title
	 *            of our targeted alert
	 * @param the
	 *            type of our alert
	 */
	public AurousAlert(final String message, final String title) {
		this.message = message;
		this.title = title;
		this.type = AlertType.INFORMATION;
	}

	/**
	 * Get the display message
	 * 
	 * @return display message
	 */
	public String getMessage() {
		return message;
	}

	/**
	 * Get the title of the alert
	 * 
	 * @return display title
	 */
	public String getTitle() {
		return title;
	}

	/**
	 * Set the message externally
	 * 
	 * @param message
	 *            to be displayed
	 */
	public void setMessage(final String message) {
		this.message = message;
	}

	/**
	 * Set the alert title externally
	 * 
	 * @param title
	 *            to be displayed
	 */
	public void setTitle(final String title) {
		this.title = title;
	}

	/**
	 * Display an alert and wait for user to close disabling main UI
	 */
	public void showAlert() {
		Platform.runLater(() -> {
			final Alert alert = new Alert(type);
			alert.setTitle(title);
			alert.setHeaderText(null);
			alert.setContentText(message);
			alert.showAndWait();
		});
	}

	/**
	 * Display an alert with basic callback of results
	 *
	 * @return status of button
	 */
	public boolean showAlertWithCallback() {
		final FutureTask<?> conformation = new FutureTask<Object>(() -> {
			final Alert alert = new Alert(type);
			alert.setTitle(title);
			alert.setHeaderText(null);
			alert.setContentText(message);
			alert.showAndWait();
			final String buttonText = alert.getResult().getText();
			switch (buttonText) {
			case "Yes":
				return true;
			case "Cancel":
				return false;
			default:
				return false;
			}
		});
		Platform.runLater(conformation);
		try {
			return Boolean.valueOf(conformation.get().toString());
		} catch (InterruptedException | ExecutionException e) {
			// global error handler to do
		}
		return false;

	}

	/**
	 * Display an alert with conformation and callback
	 *
	 * @return status of the button
	 */
	public boolean showConformationAlert() {
		type = AlertType.CONFIRMATION;
		final FutureTask<?> conformation = new FutureTask<Object>(() -> {
			final Alert alert = new Alert(type, message, ButtonType.YES,
					ButtonType.NO, ButtonType.CANCEL);
			alert.setTitle(title);
			alert.setHeaderText(null);
			alert.showAndWait();
			final String buttonText = alert.getResult().getText();
			switch (buttonText) {
			case "Yes":
				return true;
			case "No":
				return false;
			case "Cancel":
				return false;
			default:
				return false;
			}
		});
		Platform.runLater(conformation);
		try {
			return Boolean.valueOf(conformation.get().toString());
		} catch (InterruptedException | ExecutionException e) {
			// global error handler to do
		}
		return false;
	}

}