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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 1997-2015 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
*
* ---------------
* SaveForm.java
* ---------------
*/
package org.jpedal.examples.viewer.commands;
import java.io.File;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import org.jpedal.PdfDecoderInt;
import org.jpedal.examples.viewer.Values;
import org.jpedal.examples.viewer.utils.FileFilterer;
import org.jpedal.examples.viewer.utils.ItextFunctions;
import org.jpedal.gui.GUIFactory;
import org.jpedal.objects.acroforms.ReturnValues;
import org.jpedal.utils.Messages;
/**
* Saves the form and sends data to database server
*/
@SuppressWarnings({"UnusedAssignment","PMD"})
public class SaveForm {
public static void execute(final Object[] args, final GUIFactory currentGUI, final PdfDecoderInt decode_pdf, final Values commonValues) {
if (args == null) {
saveChangedForm(currentGUI, decode_pdf, commonValues);
} else {
}
}
/**
* add listeners to forms to track changes - could also do other tasks like
* send data to database server
*/
public static void saveChangedForm(final GUIFactory currentGUI, final PdfDecoderInt decode_pdf, final Values commonValues) {
final org.jpedal.objects.acroforms.AcroRenderer formRenderer = decode_pdf.getFormRenderer();
if (formRenderer == null) {
return;
}
final Object[] names = formRenderer.getFormComponents(null, ReturnValues.FORM_NAMES, -1);
if (names == null) {
currentGUI.showMessageDialog(Messages.getMessage("PdfViewer.NoFields"));
} else {
/**
* create the file chooser to select the file
*/
File file;
String fileToSave = "";
boolean finished = false;
while (!finished) {
final JFileChooser chooser = new JFileChooser(commonValues.getInputDir());
chooser.setSelectedFile(new File(commonValues.getInputDir() + '/' + commonValues.getSelectedFile()));
chooser.addChoosableFileFilter(new FileFilterer(new String[]{"pdf"}, "Pdf (*.pdf)"));
chooser.addChoosableFileFilter(new FileFilterer(new String[]{"fdf"}, "fdf (*.fdf)"));
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
//set default name to current file name
final int approved = chooser.showSaveDialog(null);
if (approved == JFileChooser.APPROVE_OPTION) {
file = chooser.getSelectedFile();
fileToSave = file.getAbsolutePath();
if (!fileToSave.endsWith(".pdf")) {
fileToSave += ".pdf";
file = new File(fileToSave);
}
if (fileToSave.equals(commonValues.getSelectedFile())) {
currentGUI.showMessageDialog(Messages.getMessage("PdfViewerMessage.SaveError"));
continue;
}
if (file.exists()) {
final int n = currentGUI.showConfirmDialog(fileToSave + '\n'
+ Messages.getMessage("PdfViewerMessage.FileAlreadyExists") + ".\n"
+ Messages.getMessage("PdfViewerMessage.ConfirmResave"),
Messages.getMessage("PdfViewerMessage.Resave"), JOptionPane.YES_NO_OPTION);
if (n == 1) {
continue;
}
}
finished = true;
} else {
return;
}
}
final ItextFunctions itextFunctions = new ItextFunctions(currentGUI, commonValues.getSelectedFile(), decode_pdf);
ItextFunctions.saveFormsData(fileToSave);
/**
* reset flag and graphical clue
*/
commonValues.setFormsChanged(false);
currentGUI.setViewerTitle(null);
}
}
/**
* warns user forms unsaved and offers save option
*/
public static void handleUnsaveForms(final GUIFactory currentGUI, final Values commonValues, final PdfDecoderInt decode_pdf) {
//
//OLD FORM CHANGE CODE
if(commonValues.isFormsChanged()){
final int n = currentGUI.showConfirmDialog(Messages.getMessage("PdfViewerFormsUnsavedOptions.message"),Messages.getMessage("PdfViewerFormsUnsavedWarning.message"), JOptionPane.YES_NO_OPTION);
if(n==JOptionPane.YES_OPTION) {
SaveForm.saveChangedForm(currentGUI, decode_pdf, commonValues);
}
}
//
commonValues.setFormsChanged(false);
}
}