set JavaFX Exception Alert - Java JavaFX

Java examples for JavaFX:Alert

  1. HOME
  2. Java
  3. JavaFX
  4. Alert

Description

set JavaFX Exception Alert

Demo Code


import java.io.PrintWriter;
import java.io.StringWriter;
import javafx.scene.control.Alert;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Priority;

public class Main{
    public static Alert setExceptionAlert(Alert alert, Exception ex) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        ex.printStackTrace(pw);/*from  w ww. j a  v  a 2  s  .c  o  m*/
        String exceptionText = sw.toString();
        Label label = new Label("The exception stacktrace was:");
        TextArea textArea = new TextArea(exceptionText);
        textArea.setEditable(false);
        textArea.setWrapText(true);
        textArea.setMaxWidth(Double.MAX_VALUE);
        textArea.setMaxHeight(Double.MAX_VALUE);
        GridPane.setVgrow(textArea, Priority.ALWAYS);
        GridPane.setHgrow(textArea, Priority.ALWAYS);
        GridPane expContent = new GridPane();
        expContent.setMaxWidth(Double.MAX_VALUE);
        expContent.add(label, 0, 0);
        expContent.add(textArea, 0, 1);
        alert.getDialogPane().setExpandableContent(expContent);
        return alert;
    }
}

Related Tutorials