aswi2020horky-gitlab/project/Deserializer/src/Report.java @ 81ff7da4

import com.sun.javafx.stage.StageHelper;

import javafx.geometry.Rectangle2D;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.stage.Screen;
import javafx.stage.Window;

public class Report {
	
	private static final int HEIGHT = 200;
	private static final int WIDTH = 500;

	private static void setPosition(Alert alert) {
		// For Java 8.
		if (StageHelper.getStages() != null && StageHelper.getStages().size() != 0) {
			if (Screen.getPrimary() != null && Screen.getPrimary().getVisualBounds() != null) {
				Rectangle2D primScreenBounds = Screen.getPrimary().getVisualBounds();
				alert.setX((primScreenBounds.getWidth() - WIDTH - 20) / 2);
		        alert.setY((primScreenBounds.getHeight() - HEIGHT - 20) / 3);
			}
			alert.initOwner(StageHelper.getStages().get(StageHelper.getStages().size() - 1));
		}
		/* For Java 11.
		if (Window.getWindows() != null && Window.getWindows().size() != 0) {
			if (Screen.getPrimary() != null && Screen.getPrimary().getVisualBounds() != null) {
				Rectangle2D primScreenBounds = Screen.getPrimary().getVisualBounds();
				alert.setX((primScreenBounds.getWidth() - WIDTH - 20) / 2);
		        alert.setY((primScreenBounds.getHeight() - HEIGHT - 20) / 3);
			}
			alert.initOwner(Window.getWindows().get(Window.getWindows().size() - 1));
		}*/
	}
	
	private static Alert createAlert(AlertType type, String title, String header, String content) {
		Alert alert = new Alert(type);
		alert.setResizable(true);
		alert.getDialogPane().setPrefWidth(WIDTH);
		alert.setTitle(title);
		alert.setHeaderText(header);
		alert.setContentText(content);
		setPosition(alert);
		return alert;
	}
	
	public static void error(String title, String header, String content) {
		createAlert(AlertType.WARNING, title, header, content).showAndWait();
	}
	
	public static void info(String title, String header, String content) {
		createAlert(AlertType.INFORMATION, title, header, content).showAndWait();
	}
	
	public static boolean confirm(String title, String header, String content) {
		Alert alert = createAlert(AlertType.CONFIRMATION, title, header, content);
		alert.showAndWait();
		if (alert.getResult().getText().equals("OK")) {
			return true;
		} else {
			return false;
		}
	}
	
}