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An Open Source JavaFX PDF Viewer
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* ErrorDialog.java
* ---------------
*/
package org.jpedal.examples.viewer.gui.popups;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.PrintWriter;
import java.io.StringWriter;
import javax.swing.*;
import org.jpedal.utils.Messages;
/**popup an error message to show user what message JPedal generated*/
public class ErrorDialog {
public static void showError( final Throwable th, final String message, final Component parent, final String fileName ) {
final JPanel panel = new JPanel();
panel.setLayout(new GridBagLayout());
final GridBagConstraints c = new GridBagConstraints();
c.anchor=GridBagConstraints.WEST;
c.gridx = 0;
c.gridy = 0;
panel.add(new JLabel(message), c);
final StringWriter sw = new StringWriter();
final PrintWriter pw = new PrintWriter(sw);
th.printStackTrace(pw);
final String trace = sw.toString();
final JTextArea ta=new JTextArea(trace);
ta.setEditable(false);
ta.setRows(10);
ta.setCaretPosition(0);
final JScrollPane scrollPane = new JScrollPane(ta,
JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
scrollPane.setVisible(false);
c.gridy = 1;
c.ipady = 10;
final JLabel info=new JLabel(Messages.getMessage("PdfViewerError.CopyStacktrace"));
info.setVisible(false);
panel.add(info,c);
c.ipady = 0;
c.gridy = 2;
panel.add(scrollPane,c);
final JButton okButton=new JButton(Messages.getMessage("PdfViewerButton.ShowDetails"));
okButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent arg0) {
final JButton button = (JButton) arg0.getSource();
if(scrollPane.isVisible()){
scrollPane.setVisible(false);
info.setVisible(false);
button.setText(Messages.getMessage("PdfViewerButton.ShowDetails"));
}else{
scrollPane.setVisible(true);
info.setVisible(true);
button.setText(Messages.getMessage("PdfViewerButton.HideDetails"));
}
final JDialog parentDialog = (JDialog) button.getTopLevelAncestor();
parentDialog.pack();
parentDialog.setLocationRelativeTo(parent);
}
});
final Object[] buttonRowObjects = { okButton, Messages.getMessage("PdfViewerButton.Exit") };
final JOptionPane optionPane = new JOptionPane();
optionPane.setMessage(panel);
optionPane.setMessageType(JOptionPane.ERROR_MESSAGE);
optionPane.setOptionType(JOptionPane.DEFAULT_OPTION);
optionPane.setOptions(buttonRowObjects);
final JDialog dialog = optionPane.createDialog(parent, fileName);
dialog.pack();
dialog.setVisible(true);
}
}