/*
Copyright 2003-2012 Dmitry Barashev, GanttProject Team

This file is part of GanttProject, an opensource project management tool.

GanttProject 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.

GanttProject 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 GanttProject.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.sourceforge.ganttproject.importer;

import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;

import biz.ganttproject.impex.csv.ImporterFromCsvFile;
import net.sourceforge.ganttproject.GanttOptions;
import net.sourceforge.ganttproject.filter.ExtensionBasedFileFilter;

// TODO Class is unused, remove?
public abstract class ImporterFactory {
  public static Importer createImporter(FileFilter fileFilter) {
    if (fileFilter == ImporterFactory.txtFilter) {
      return new ImporterFromTxtFile();
    }
    if (fileFilter == ImporterFactory.ganFilter) {
      return new ImporterFromGanttFile();
    }
    if (fileFilter == ImporterFactory.csvFilter) {
      return new ImporterFromCsvFile();
    }
    return null;
  }

  public static JFileChooser createFileChooser(GanttOptions options) {
    JFileChooser fc = new JFileChooser(options.getWorkingDir());
    FileFilter[] filefilters = fc.getChoosableFileFilters();
    for (int i = 0; i < filefilters.length; i++) {
      fc.removeChoosableFileFilter(filefilters[i]);
    }
    fc.addChoosableFileFilter(ImporterFactory.ganFilter);
    fc.addChoosableFileFilter(ImporterFactory.mppFilter);
    fc.addChoosableFileFilter(ImporterFactory.txtFilter);
    fc.addChoosableFileFilter(ImporterFactory.csvFilter);

    return fc;
  }

  private static FileFilter txtFilter = new ExtensionBasedFileFilter("txt", "Text files (.txt)");

  private static FileFilter csvFilter = new ExtensionBasedFileFilter("csv", "Comma-separated values files (.csv)");

  private static FileFilter mppFilter = new ExtensionBasedFileFilter("mpp|mpx|xml",
      "MsProject files (.mpp, .mpx, .xml)");

  private static FileFilter ganFilter = new ExtensionBasedFileFilter("xml|gan", "GanttProject files (.gan, .xml)");
}