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

/*
 * Copyright (C) 2006 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 Glade;

namespace DCSharp.GUI{
  public class MessageArea : VBox
  {
    private Glade.XML xml;
    private TipWindow tipWindow;
    
    [Widget]
    private Widget messageArea;
    
    [Widget]
    private VBox vbox;
    
    [Widget]
    private HBox hbox;
    
    [Widget]
    private Image image;
    
    [Widget]
    private Label primaryLabel;
    
    [Widget]
    private Label secondaryLabel;
    
    #region Constructors
    
    public MessageArea(string primaryText, string secondaryText,
      MessageType messageType) : base()
    {
      xml = new Glade.XML (null, "MessageArea.glade", "messageArea",
        null);
      xml.BindFields (this);
      
      AppPaintable = true;
      BorderWidth = 6;
      
      PrimaryText = primaryText;
      SecondaryText = secondaryText;
      MessageType = messageType;
      
      tipWindow = new TipWindow();
      tipWindow.EnsureStyle();
      tipWindow.StyleSet += OnStyleSet;
      
      OnStyleSet(null, null);
      
      PackStart(messageArea);
    }
    
    #endregion
    
    #region Classes
    
    private class TipWindow : Gtk.Window
    {
      public TipWindow() : base(Gtk.WindowType.Popup) 
      {
        Name = "gtk-tooltips";
        AppPaintable = true;
        BorderWidth = 4;
      }
      
      protected override bool OnExposeEvent(Gdk.EventExpose evnt)
      {
        Gtk.Style.PaintFlatBox(Style, GdkWindow, State, ShadowType.Out,
          evnt.Area, this, "tooltip", Allocation.X, Allocation.Y, 
          Allocation.Width, Allocation.Height);
        
        return base.OnExposeEvent(evnt);
      }
    }
    
    #endregion
    
    #region Properties
    
    private string primaryText;
    
    public string PrimaryText
    {
      get
      {
        return primaryText;
      }
      set
      {
        primaryText = value;
        primaryLabel.Markup = String.Format("<b>{0}</b>", primaryText);
        primaryLabel.Visible = primaryText != null;
      }
    }
    
    private string secondaryText;
    
    public string SecondaryText
    {
      get
      {
        return secondaryText;
      }
      set
      {
        secondaryText = value;
        secondaryLabel.Text = secondaryText;
        secondaryLabel.Visible = secondaryText != null;
      }
    }
    
    private MessageType messageType;
    
    public MessageType MessageType
    {
      get
      {
        return messageType;
      }
      set
      {
        messageType = value;
        image.Visible = true;
        
        switch (messageType)
        {
          case MessageType.Error:
            image.Stock = Stock.DialogError;
            break;
          
          case MessageType.Info:
            image.Stock = Stock.DialogInfo;
            break;
          
          case MessageType.Question:
            image.Stock = Stock.DialogQuestion;
            break;
          
          case MessageType.Warning:
            image.Stock = Stock.DialogWarning;
            break;
          
          default:
            image.Visible = false;
            break;
        }
      }
    }
    
    public VBox VBox
    {
      get
      {
        return vbox;
      }
    }
    
    public HBox HBox
    {
      get
      {
        return hbox;
      }
    }
    
    #endregion
    
    #region Methods
    
    protected override bool OnExposeEvent(Gdk.EventExpose evnt)
    {
      Gtk.Style.PaintFlatBox(Style, GdkWindow, State, ShadowType.Out,
        evnt.Area, this, "tooltip", Allocation.X, Allocation.Y, 
        Allocation.Width, Allocation.Height);
      
      return base.OnExposeEvent(evnt);
    }
    
    private void OnStyleSet(object obj, StyleSetArgs args)
    {
      Style = tipWindow.Style.Copy();
    }
    
    #endregion
  }  
}