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

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.*;

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

/**
 * allow user to select page range and values to save
 */
public class Save extends JComponent {

    protected final JTextField startPage = new JTextField();
    protected final JTextField endPage = new JTextField();
    protected final JTextField rootDir = new JTextField();

    private static final String[] scales = {"10", "25", "50", "75", "100"};
    protected final JComboBox scaling = new JComboBox(scales);

    protected final JLabel scalingLabel = new JLabel();
    protected final JLabel rootFilesLabel = new JLabel();

    protected final JButton changeButton = new JButton();

    protected final JLabel endLabel = new JLabel();
    protected final JLabel startLabel = new JLabel();
    protected final JLabel pageRangeLabel = new JLabel();

    protected final String root_dir;
    protected final int end_page;
    protected final int currentPage;

    protected final JLabel optionsForFilesLabel = new JLabel();

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

        this.currentPage = currentPage;
        this.root_dir = root_dir;
        this.end_page = end_page;

        scalingLabel.setFont(new java.awt.Font("Dialog", Font.BOLD, 14));
        scalingLabel.setText(Messages.getMessage("PdfViewerOption.Scaling") + '\n');
        scaling.setSelectedItem("100");
        scaling.setName("exportScaling");

        rootFilesLabel.setFont(new java.awt.Font("Dialog", Font.BOLD, 14));
        rootFilesLabel.setDisplayedMnemonic('0');
        rootFilesLabel.setText(Messages.getMessage("PdfViewerOption.RootDir"));
        rootDir.setText(root_dir);
        rootDir.setName("extRootDir");

        changeButton.setText(Messages.getMessage("PdfViewerOption.Browse"));
        changeButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(final ActionEvent e) {
                final JFileChooser chooser = new JFileChooser(root_dir);
                chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
                final String[] png = {"png", "tif", "tiff", "jpg", "jpeg"}; //$NON-NLS-1$
                chooser.addChoosableFileFilter(new FileFilterer(png, "Images (Tiff, Jpeg,Png)")); //$NON-NLS-1$
                chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
                final int state = chooser.showOpenDialog(null);

                final File file = chooser.getSelectedFile();

                if (file != null && state == JFileChooser.APPROVE_OPTION) {
                    rootDir.setText(file.getAbsolutePath());
                }
            }
        });

        optionsForFilesLabel.setText(Messages.getMessage("PdfViewerOption.Output"));
        optionsForFilesLabel.setFont(new java.awt.Font("Dialog", Font.BOLD, 14));
        optionsForFilesLabel.setDisplayedMnemonic('0');

        pageRangeLabel.setText(Messages.getMessage("PdfViewerOption.PageRange"));
        pageRangeLabel.setFont(new java.awt.Font("Dialog", Font.BOLD, 14));
        pageRangeLabel.setDisplayedMnemonic('0');

        startLabel.setText(Messages.getMessage("PdfViewerOption.StartPage"));
        endLabel.setText(Messages.getMessage("PdfViewerOption.EndPage"));

        startPage.setText("1");
        endPage.setText(String.valueOf(end_page));

    }

    /**
     * get scaling value
     */
    public final int getScaling() {
        return Integer.parseInt((String) scaling.getSelectedItem());
    }

    /**
     * popup display for user to make selection
     */
    public int display(final Component c, final String title) {

        setSize(400, 200);
        final JPanel popupPanel = new JPanel();
        popupPanel.setLayout(new BorderLayout());
        popupPanel.add(this, BorderLayout.CENTER);
        popupPanel.setSize(400, 200);
        final Object[] options = {Messages.getMessage("PdfMessage.Ok"), Messages.getMessage("PdfMessage.Cancel")};

        if (GUI.showMessages) {
            return JOptionPane.showOptionDialog(
                    c,
                    popupPanel, title,

                    JOptionPane.DEFAULT_OPTION,
                    JOptionPane.PLAIN_MESSAGE,
                    null,
                    options,
                    options[0]);
        } else {
            return 0;
        }

    }

    /**
     * get start page
     */
    public final int getStartPage() {

        int page = -1;

        try {
            page = Integer.parseInt(startPage.getText());
        } catch (final Exception e) {
            LogWriter.writeLog("Exception " + e + " in exporting");
            if (GUI.showMessages) {
                JOptionPane.showMessageDialog(this, Messages.getMessage("PdfViewerError.InvalidSyntax"));
            }
        }

        if ((page < 1) && (GUI.showMessages)) {
            JOptionPane.showMessageDialog(this, Messages.getMessage("PdfViewerError.NegativePageValue"));
        }

        if (page > end_page) {
            if (GUI.showMessages) {
                JOptionPane.showMessageDialog(this, Messages.getMessage("PdfViewerText.Page") + ' '
                        + page + ' ' + Messages.getMessage("PdfViewerError.OutOfBounds") + ' ' +
                        Messages.getMessage("PdfViewerText.PageCount") + ' ' + end_page);
            }

            page = -1;
        }

        return page;
    }

    /**
     * get root dir
     */
    public final String getRootDir() {
        return this.rootDir.getText();
    }

    /**
     * get end page
     */
    public final int getEndPage() {

        int page = -1;
        try {
            page = Integer.parseInt(endPage.getText());
        } catch (final Exception e) {
            LogWriter.writeLog("Exception " + e + " in exporting");

            if (GUI.showMessages) {
                JOptionPane.showMessageDialog(this, Messages.getMessage("PdfViewerError.InvalidSyntax"));
            }
        }

        if ((page < 1) && (GUI.showMessages)) {
            JOptionPane.showMessageDialog(this, Messages.getMessage("PdfViewerError.NegativePageValue"));
        }

        if (page > end_page) {
            if (GUI.showMessages) {
                JOptionPane.showMessageDialog(this, Messages.getMessage("PdfViewerText.Page") + ' '
                        + page + ' ' + Messages.getMessage("PdfViewerError.OutOfBounds") + ' ' +
                        Messages.getMessage("PdfViewerText.PageCount") + ' ' + end_page);
            }

            page = -1;
        }
        return page;
    }

    /**
     * size
     */
    @Override
    public final Dimension getSize() {
        return getPreferredSize();
    }

    /**
     * size
     */
    @Override
    public Dimension getPreferredSize() {
        return new Dimension(400, 330);
    }

    /**
     * size
     */
    @Override
    public final Dimension getMinimumSize() {
        return getPreferredSize();
    }

    /**
     * size
     */
    @Override
    public final Dimension getMaximumSize() {
        return getPreferredSize();
    }

}