Java JFileChooser setFileChooserFilters(JFileChooser fileDlg, String filters, int selectIndex)

Description

set File Chooser Filters

License

Open Source License

Declaration

public static void setFileChooserFilters(JFileChooser fileDlg, String filters, int selectIndex) 

Method Source Code

//package com.java2s;
/*/* w w w .  j  ava2 s.c  o m*/
 *  "BSLib", Brainstorm Library.
 *  Copyright (C) 2017 by Sergey V. Zhdanovskih.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;

public class Main {
    public static void setFileChooserFilters(JFileChooser fileDlg, String filters, int selectIndex) {
        if (fileDlg == null) {
            throw new IllegalArgumentException("fileDlg");
        }

        FileFilter selectFilter = null;
        String[] filterParts = filters.split("[|]", -1);
        int filtersNum = filterParts.length / 2;
        for (int i = 0; i < filtersNum; i++) {
            int idx = i * 2;
            String name = filterParts[idx];
            String exts = filterParts[idx + 1];
            String[] extensions = exts.split("[,]", -1);

            String[] newExts = new String[extensions.length];
            for (int k = 0; k < extensions.length; k++) {
                String ext = extensions[k];
                if (ext.startsWith("*.")) {
                    ext = ext.substring(2);
                }
                newExts[k] = ext;
            }

            FileFilter fneFilter = new FileNameExtensionFilter(name, newExts);
            fileDlg.addChoosableFileFilter(fneFilter);
            if (selectIndex > 0 && (i == selectIndex - 1)) {
                selectFilter = fneFilter;
            }
        }

        if (selectFilter != null) {
            fileDlg.setFileFilter(selectFilter);
        }
    }
}

Related

1. selectFile(String msg, File dir, FileFilter filterOrNull)
2. selectFileForOpen(final Component parent, final FileFilter[] fileFilters, final String title, final FileFilter[] selectedFilters, final File initFile)
3. selectNonExistingFile(Component parent, String extensionWanted)
4. setCurrentDirectory(JFileChooser fileChooser, String location)
5. setFile(File file, JFileChooser chooser)
6. setSelectedFile(JFileChooser chooser, File file)
7. SHOW_JFILECHOOSER(String title, String approvetext, int fileselectionmode, boolean multiselection)
8. showFileChooserLoop(Component parentComponent, JFileChooser chooser)
9. write(File file, String text)