UserView.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.Backend.Connections;
using DCSharp.Backend.Objects;

namespace DCSharp.GUI{
  public class UserView : MenuTreeView
  {
    protected ActionGroup actionGroup;
    protected Action fileListAction;
    
    #region Constructors
    
    public UserView(TreeModel model) : base(model)
    {
      RulesHint = true;
      
      // User interface
      ActionEntry[] entries = new ActionEntry[] {
        new ActionEntry("PrivateMessage", null, Catalog.GetString("_Private Message"), null,
          Catalog.GetString("Send a private message."),
          OnPrivateMessage),
        new ActionEntry("FileList", Stock.Directory, Catalog.GetString("_Browse Files"), null,
          Catalog.GetString("Browse the users files"),
          OnFileList)
      };
      
      actionGroup = new ActionGroup("UserViewActions");
      actionGroup.Add(entries);
      
      fileListAction = actionGroup["FileList"];
      
      Uim.InsertActionGroup(actionGroup, 0); 
      Uim.AddUiFromResource("UserView.ui");
      
      // Columns
      TreeViewColumn column;
      CellRendererText textRenderer;
      CellRendererPixbuf pixbufRenderer;
      
      // User
      column = new TreeViewColumn();
      column.Title = Catalog.GetString("User");
      column.SortColumnId = (int)UserStore.Column.Nick;
      column.Expand = true;
      column.Resizable = true;
      column.Spacing = 3;
      AppendColumn(column);
      
      pixbufRenderer = new CellRendererPixbuf();
      column.PackStart(pixbufRenderer , false);
      column.SetCellDataFunc(pixbufRenderer, RenderUserPixbuf);
      
      textRenderer = new CellRendererText();
      textRenderer.Ellipsize = Pango.EllipsizeMode.End;
      column.PackStart(textRenderer , true);
      column.AddAttribute(textRenderer, "text", (int)UserStore.Column.Nick);
      
      // Shared
      textRenderer = new CellRendererText();
      column = AppendColumn(Catalog.GetString("Shared"), textRenderer,
        new TreeCellDataFunc(RenderUserShare));
      column.SortColumnId = (int)UserStore.Column.ShareSize;
      column.Expand = true;
      column.Resizable = true;
      
      // Set fixed height mode
      foreach (TreeViewColumn treeColumn in Columns)
      {
        treeColumn.Sizing = TreeViewColumnSizing.Fixed;
      }
      FixedHeightMode = true;
    }
    
    #endregion
    
    #region Properties
    
    public Identity SelectedUser
    {
      get
      {
        TreeIter iter;
        if (Selection.GetSelected(out iter))
        {
          return Model.GetValue(iter, (int)UserStore.Column.User)
            as Identity;
        }
        return null;
      }
    }
    
    #endregion
    
    #region Methods
    
    protected override bool OnButtonPressEvent(Gdk.EventButton evnt)
    {
      if (evnt.Type == Gdk.EventType.TwoButtonPress)
      {
        TreePath path;
        TreeIter iter;
        
        if (GetPathAtPos((int)evnt.X, (int)evnt.Y, out path) &&
          Model.GetIter(out iter, path))
        {
          Identity user = (Identity)Model.GetValue(iter,
            (int)UserStore.Column.User);
          HubConnection hub = (HubConnection)Model.GetValue(iter,
            (int)UserStore.Column.Hub);
          
          if (hub != null)
          {
            GUI.ShowChat(hub.LocalIdentity, user, true);
            return true;
          }
        }
      }
      return base.OnButtonPressEvent(evnt);
    }
    
    protected override void OnPopulatePopup(Menu menu)
    {
      TreeIter iter;
      if (Selection.GetSelected(out iter))
      {
        HubConnection hub = Model.GetValue(iter,
          (int)UserStore.Column.Hub) as HubConnection;
        
        fileListAction.Sensitive = hub != null;
      }
      base.OnPopulatePopup(menu);
    }
    
    private void OnPrivateMessage(object obj, EventArgs args)
    {
      TreeIter iter;
      if (Selection.GetSelected(out iter))
      {
        Identity user = (Identity)Model.GetValue(iter,
          (int)UserStore.Column.User);
        HubConnection hub = (HubConnection)Model.GetValue(iter,
          (int)UserStore.Column.Hub);
        
        if (hub != null)
        {
          GUI.ShowChat(hub.LocalIdentity, user, true);
        }
      }
    }
    
    private void OnFileList(object obj, EventArgs args)
    {
      Util.RequestFileList(SelectedUser);
    }
    
    private void RenderUserPixbuf(TreeViewColumn column,
      CellRenderer renderer, TreeModel model, TreeIter iter)
    {
      Identity identity = (Identity)model.GetValue(iter,
        (int)UserStore.Column.User);
      
      ((CellRendererPixbuf)renderer).Pixbuf = Util.GetUserIcon(identity);
    }
    
    private void RenderUserShare(TreeViewColumn column,
      CellRenderer renderer, TreeModel model, TreeIter iter)
    {
      Identity identity = (Identity)model.GetValue(iter,
        (int)UserStore.Column.User);
      
      ((CellRendererText)renderer).Text = Util.FormatFileSize(identity.ShareSize);
    }
    
    #endregion
  }
}