org.freedesktop.dbus.viewer.TabbedSaveAction Maven / Gradle / Ivy

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Improved version of the DBus-Java library provided by freedesktop.org (https://dbus.freedesktop.org/doc/dbus-java/).
There is a newer version: 3.3.2
/*
   D-Bus Java Viewer
   Copyright (c) 2006 Peter Cox

   This program is free software; you can redistribute it and/or modify it
   under the terms of either the GNU Lesser General Public License Version 2 or the
   Academic Free Licence Version 2.1.

   Full licence texts are included in the COPYING file with this program.
*/
package org.freedesktop.dbus.viewer;

import static org.freedesktop.dbus.Gettext.t;

import java.awt.event.ActionEvent;
import java.io.File;

import javax.swing.AbstractAction;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.text.JTextComponent;

abstract class TabbedSaveAction extends AbstractAction implements Iterable {
    private static final long   serialVersionUID = -1L;
    /** File chooser component.
     * Make static so that previous save location is stored
     */
    private static JFileChooser chooser;
    // CHECKSTYLE:OFF
    protected final JTabbedPane tabbedPane;
    // CHECKSTYLE:ON

    protected TabbedSaveAction(JTabbedPane _tabbedPane) {
        super();
        this.tabbedPane = _tabbedPane;
    }

    protected TabbedSaveAction(JTabbedPane _tabbedPane, String _name) {
        super(_name);
        this.tabbedPane = _tabbedPane;
    }

    /** Get the text file object associated with the supplied index
     * @param index The tabbed pane index
     * @return The text file object for the referenced tab
     */
    protected TextFile getTextFile(int index) {
        JScrollPane scrollPane = (JScrollPane) tabbedPane.getComponentAt(index);
        JTextComponent textComponent = (JTextComponent) scrollPane.getViewport().getView();
        final String sourceCode = textComponent.getText();

        final String fileName = getFileName(index);

        TextFile textFile = new TextFile(fileName, sourceCode);
        return textFile;
    }

    /** Get the file name for the supplied index
     * @param index The tabbed pane index
     * @return The file name for the referenced tab
     */
    protected String getFileName(int index) {
        return (index > -1) ? tabbedPane.getTitleAt(index) : "";
    }

    /** {@inheritDoc} */
    @Override
    public final void actionPerformed(ActionEvent e) {

        if (chooser == null) {
            /** Occurs on event dispatch thread, so no problems with lazy static init here */
            chooser = new JFileChooser();
        }
        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        chooser.setDialogTitle(t("Select parent directory for saving"));

        int result = chooser.showDialog(tabbedPane, "Select");

        if (result == JFileChooser.APPROVE_OPTION) {
            File parentDirectory = chooser.getSelectedFile();
            if (parentDirectory.exists() || parentDirectory.mkdirs()) {
                if (parentDirectory.canWrite()) {
                    Runnable runnable = new FileSaver(tabbedPane, parentDirectory, this);

                    new Thread(runnable).start();
                } else {
                    JOptionPane.showMessageDialog(tabbedPane, t("Could not write to parent directory"), t("Invalid Parent Directory"), JOptionPane.ERROR_MESSAGE);
                }
            } else {
                JOptionPane.showMessageDialog(tabbedPane, t("Could not access parent directory"), t("Invalid Parent Directory"), JOptionPane.ERROR_MESSAGE);
            }
        }
    }
}