ErrorMessage.java

/*
 * Copyright (C) 2015-2017 PÂRIS Quentin
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package org.phoenicis.javafx.views.common;

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;
import org.apache.commons.lang.exception.ExceptionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ErrorMessage {
    private final Logger LOGGER = LoggerFactory.getLogger(ErrorMessage.class);
    private final Alert alert;

    public ErrorMessage(String message, Exception exception) {
        alert = new Alert(Alert.AlertType.ERROR);
        alert.setTitle("Error");
        alert.setHeaderText(message);

        if (exception != null) {
            LOGGER.error(ExceptionUtils.getStackTrace(exception));

            alert.setContentText(exception.getMessage());

            final String exceptionText = ExceptionUtils.getFullStackTrace(exception);

            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);
        }
        alert.showAndWait();
    }

    public void show() {
        alert.show();
    }
}