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Open Source (LGPL) JavaFX PDF Viewer
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/*
 * ===========================================
 * 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
 *
 @LICENSE@
 *
 * ---------------
 * SavePDF.java
 * ---------------
 */
package org.jpedal.examples.viewer.gui.popups;

import java.awt.Rectangle;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.print.attribute.standard.PageRanges;
import javax.swing.*;

import org.jpedal.examples.viewer.gui.GUI;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.Messages;


public class SavePDF extends Save {

    JLabel OutputLabel = new JLabel();
    final ButtonGroup buttonGroup1 = new ButtonGroup();
    final ButtonGroup buttonGroup2 = new ButtonGroup();

    final JToggleButton jToggleButton3 = new JToggleButton();

    final JToggleButton jToggleButton2 = new JToggleButton();

    final JRadioButton printAll = new JRadioButton();
    final JRadioButton printCurrent = new JRadioButton();
    final JRadioButton printPages = new JRadioButton();

    final JTextField pagesBox = new JTextField();

    final JRadioButton exportSingle = new JRadioButton();
    final JRadioButton exportMultiple = new JRadioButton();

    public SavePDF(final String root_dir, final int end_page, final int currentPage) {

        super(root_dir, end_page, currentPage);

        try {
            jbInit();
        } catch (final Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * get root dir
     */
    public final int[] getExportPages() {

        int[] pagesToExport = null;

        if (printAll.isSelected()) {
            pagesToExport = new int[end_page];
            for (int i = 0; i < end_page; i++) {
                pagesToExport[i] = i + 1;
            }

        } else if (printCurrent.isSelected()) {
            pagesToExport = new int[1];
            pagesToExport[0] = currentPage;

        } else if (printPages.isSelected()) {

            try {
                final PageRanges pages = new PageRanges(pagesBox.getText());

                int count = 0;
                int i = -1;
                while ((i = pages.next(i)) != -1) {
                    count++;
                }

                pagesToExport = new int[count];
                count = 0;
                i = -1;
                while ((i = pages.next(i)) != -1) {
                    if (i > end_page) {
                        if (GUI.showMessages) {
                            JOptionPane.showMessageDialog(this, Messages.getMessage("PdfViewerText.Page") + ' '
                                    + i + ' ' + Messages.getMessage("PdfViewerError.OutOfBounds") + ' ' +
                                    Messages.getMessage("PdfViewerText.PageCount") + ' ' + end_page);
                        }
                        return null;
                    }
                    pagesToExport[count] = i;
                    count++;
                }
            } catch (final IllegalArgumentException e) {
                LogWriter.writeLog("Exception " + e + " in exporting pdfs");
                if (GUI.showMessages) {
                    JOptionPane.showMessageDialog(this, Messages.getMessage("PdfViewerError.InvalidSyntax"));
                }
            }
        }

        return pagesToExport;

    }

    public final boolean getExportType() {
        return exportMultiple.isSelected();
    }

    private void jbInit() throws Exception {

        rootFilesLabel.setBounds(new Rectangle(13, 13, 400, 26));

        rootDir.setBounds(new Rectangle(23, 40, 232, 23));

        changeButton.setBounds(new Rectangle(272, 40, 101, 23));

//		rootDir.setBounds( new Rectangle( 23, 39, 232, 23 ) );
//		changeButton.setBounds( new Rectangle( 272, 39, 101, 23 ) );

        pageRangeLabel.setBounds(new Rectangle(13, 71, 300, 26));

        printAll.setText(Messages.getMessage("PdfViewerRadioButton.All"));
        printAll.setBounds(new Rectangle(23, 100, 75, 22));

        printCurrent.setText(Messages.getMessage("PdfViewerRadioButton.CurrentPage"));
        printCurrent.setBounds(new Rectangle(23, 120, 120, 22));
        printCurrent.setSelected(true);

        printPages.setText(Messages.getMessage("PdfViewerRadioButton.Pages"));
        printPages.setBounds(new Rectangle(23, 142, 70, 22));

        pagesBox.setBounds(new Rectangle(95, 142, 200, 22));
        pagesBox.addKeyListener(new KeyListener() {
            @Override
            public void keyPressed(final KeyEvent arg0) {
            }

            @Override
            public void keyReleased(final KeyEvent arg0) {
                if (pagesBox.getText().isEmpty()) {
                    printCurrent.setSelected(true);
                } else {
                    printPages.setSelected(true);
                }

            }

            @Override
            public void keyTyped(final KeyEvent arg0) {
            }
        });

        final JTextArea pagesInfo = new JTextArea(Messages.getMessage("PdfViewerMessage.PageNumberOrRange") + '\n' +
                Messages.getMessage("PdfViewerMessage.PageRangeExample"));
        pagesInfo.setBounds(new Rectangle(23, 165, 400, 40));
        pagesInfo.setOpaque(false);

        optionsForFilesLabel.setBounds(new Rectangle(13, 220, 400, 26));

        exportMultiple.setText(Messages.getMessage("PdfViewerTitle.ExportMultiplePDFPages"));
        exportMultiple.setBounds(new Rectangle(23, 250, 350, 22));
        exportMultiple.setSelected(true);

        exportSingle.setText(Messages.getMessage("PdfViewerTitle.ExportSinglePDFPages"));
        exportSingle.setBounds(new Rectangle(23, 270, 300, 22));

        this.add(printAll, null);
        this.add(printCurrent, null);

        this.add(printPages, null);
        this.add(pagesBox, null);
        this.add(pagesInfo, null);

        this.add(optionsForFilesLabel, null);
        this.add(exportSingle, null);
        this.add(exportMultiple, null);

        this.add(rootDir, null);
        this.add(rootFilesLabel, null);
        this.add(changeButton, null);
        this.add(pageRangeLabel, null);

        this.add(jToggleButton2, null);
        this.add(jToggleButton3, null);

        buttonGroup1.add(printAll);
        buttonGroup1.add(printCurrent);
        buttonGroup1.add(printPages);

        buttonGroup2.add(exportMultiple);
        buttonGroup2.add(exportSingle);


    }


}