FileListingStore.cs :  » Business-Application » DC » DCSharp » GUI » C# / CSharp Open Source

/*
 * Copyright (C) 2006-2007 Eskil Bylund
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

using System;

using Gtk;
using Mono.Unix;

using DCSharp.Xml.FileList;

namespace DCSharp.GUI{
  public class FileListingStore : TreeStore
  {
    public enum Column {
      Object,
      Name,
      Bytes,
      Size,
      TTH,
      Loaded
    };
    
    public FileListingStore(FileListing fileListing) : base(typeof(object),
      typeof(string), typeof(long), typeof(string), typeof(string),
      typeof(bool))
    {
      FileListing = fileListing;
    }
    
    #region Properties
    
    private FileListing fileListing;
    
    public FileListing FileListing
    {
      get
      {
        return fileListing;
      }
      set
      {
        if (fileListing != null)
        {
          Clear();
        }
        
        fileListing = value;
        if (fileListing != null)
        {
          foreach (Directory directory in fileListing.Directories)
          {
            int children = directory.Directories.Count +
              directory.Files.Count;
            
            string size = String.Format(
              Catalog.GetPluralString("{0} object", "{0} objects",
              children), children);
            
            TreeIter iter = AppendValues(directory, directory.Name,
              (long)children, size);
            if (children > 0)
            {
              // Add placeholder
              AppendNode(iter);
            }
          }
        }
      }
    }
    
    #endregion
    
    #region Methods
    
    public void Load(TreeIter iter)
    {
      bool loaded = (bool)GetValue(iter, (int)Column.Loaded);
      if (!loaded)
      {
        PopulateIter(iter);
        
        TreeIter placeholder;
        if (IterChildren(out placeholder, iter))
        {
          Remove(ref placeholder);
        }
        
        SetValue(iter, (int)Column.Loaded, true);
      }
    }
    
    private void PopulateIter(TreeIter parent)
    {
      Directory directory = GetValue(parent, (int)Column.Object)
        as Directory;
      if (directory != null)
      {
        string size;
        foreach (Directory childDir in directory.Directories)
        {
          int children = childDir.Directories.Count +
            childDir.Files.Count;
          
          size = String.Format(Catalog.GetPluralString("{0} object", "{0} objects",
            children), children);
          
          TreeIter iter = AppendValues(parent, childDir, childDir.Name,
            (long)children, size);
          if (children > 0)
          {
            // Add placeholder
            AppendNode(iter);
          }
        }
        foreach (File file in directory.Files)
        {
          size = Util.FormatFileSize(file.Size);
          AppendValues(parent, file, file.Name, file.Size, size,
            file.TTH);
        }
      }
    }
    
    #endregion
  }
}