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

   This file is part of the JUCE library - "Jules' Utility Class Extensions"
   Copyright 2004-11 by Raw Material Software Ltd.

  ------------------------------------------------------------------------------

   JUCE can be redistributed and/or modified under the terms of the GNU General
   Public License (Version 2), as published by the Free Software Foundation.
   A copy of the license is included in the JUCE distribution, or can be found
   online at www.gnu.org/licenses.

   JUCE 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.

  ------------------------------------------------------------------------------

   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.rawmaterialsoftware.com/juce for more information.

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

bool FileChooser::isPlatformDialogAvailable()
{
    ChildProcess child;
    const bool ok = child.start ("which zenity")
                     && child.readAllProcessOutput().trim().isNotEmpty();

    child.waitForProcessToFinish (60 * 1000);
    return ok;
}

void FileChooser::showPlatformDialog (Array<File>& results,
                                      const String& title,
                                      const File& file,
                                      const String& filters,
                                      bool isDirectory,
                                      bool selectsFiles,
                                      bool isSave,
                                      bool warnAboutOverwritingExistingFiles,
                                      bool selectMultipleFiles,
                                      FilePreviewComponent* previewComponent)
{
    const String separator (":");

    StringArray args;
    args.add ("zenity");
    args.add ("--file-selection");

    if (title.isNotEmpty())         args.add ("--title=" + title);
    if (isDirectory)                args.add ("--directory");
    if (isSave)                     args.add ("--save");

    if (selectMultipleFiles)
    {
       args.add ("--multiple");
       args.add ("--separator=" + separator);
    }

    const File previousWorkingDirectory (File::getCurrentWorkingDirectory());

    if (file.isDirectory())
    {
        file.setAsCurrentWorkingDirectory();
    }
    else if (file.exists())
    {
        file.getParentDirectory().setAsCurrentWorkingDirectory();
        args.add ("--filename=" + file.getFileName());
    }

    args.add ("2>&1");

    ChildProcess child;
    if (child.start (args))
    {
        const String result (child.readAllProcessOutput().trim());

        if (result.isNotEmpty())
        {
            StringArray tokens;

            if (selectMultipleFiles)
                tokens.addTokens (result, separator, "\"");
            else
                tokens.add (result);

            for (int i = 0; i < tokens.size(); i++)
                results.add (File (tokens[i]));
        }

        child.waitForProcessToFinish (60 * 1000);
    }

    previousWorkingDirectory.setAsCurrentWorkingDirectory();
}