org.jpedal.examples.viewer.gui.popups.DeletePDFPages Maven / Gradle / Ivy

/*
 * ===========================================
 * 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


 *
 * ---------------
 * DeletePDFPages.java
 * ---------------
 */
package org.jpedal.examples.viewer.gui.popups;

import java.awt.Dimension;
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 DeletePDFPages extends Save {

    private static final long serialVersionUID = 7720446319401470639L;

    final ButtonGroup buttonGroup1 = 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();

    public DeletePDFPages(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
     */
    @SuppressWarnings("UnusedDeclaration")
    public final int[] getDeletedPages() {

        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;

    }

    private void jbInit() throws Exception { // 58

        pageRangeLabel.setText(Messages.getMessage("PdfViewerPageRange.text"));
        pageRangeLabel.setBounds(new Rectangle(13, 13, 199, 26));

        //printAll.setText(Messages.getMessage("PdfViewerRadioButton.All"));
        //printAll.setBounds( new Rectangle( 23, 42, 75, 22 ) );

        printCurrent.setText(Messages.getMessage("PdfViewerRadioButton.CurrentPage"));
        printCurrent.setBounds(new Rectangle(23, 62, 100, 22));
        printCurrent.setSelected(true);

        printPages.setText(Messages.getMessage("PdfViewerRadioButton.Pages"));
        printPages.setBounds(new Rectangle(23, 84, 70, 22));

        pagesBox.setBounds(new Rectangle(95, 84, 200, 22));
        pagesBox.addKeyListener(new KeyListener() {
            @Override
            public void keyPressed(final KeyEvent arg0) {
                jToggleButton2.setSelected(true);

            }

            @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(15, 115, 400, 40));
        pagesInfo.setOpaque(false);

        optionsForFilesLabel.setBounds(new Rectangle(13, 168, 199, 26));

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

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

//		this.add( directionBox, null );
//		this.add( direction, 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);
    }

    @Override
    public final Dimension getPreferredSize() {
        return new Dimension(370, 180);
    }

}