EtchedLine.cs :  » Web-Frameworks » Ingenious-MVC » Ingenious » Mvc » Windows » Forms » Controls » C# / CSharp Open Source

#region License

/**
 * Ingenious MVC : An MVC framework for .NET 2.0
 * Copyright (C) 2006, JDP Group
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Authors: - Kent Boogaart (kentcb@internode.on.net)
 */

#endregion

using System;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using Ingenious.Mvc.Util;

namespace Ingenious.Mvc.Windows.Forms.Controls{
  /// <include file='EtchedLine.doc.xml' path='/doc/member[@name="T:EtchedLine"]/*'/>
  public sealed class EtchedLine : Control
  {
    private Orientation _orientation;
    private Pen _darkPen;
    private Pen _lightPen;

    /// <include file='EtchedLine.doc.xml' path='/doc/member[@name="P:Orientation"]/*'/>
    [Browsable(true)]
    [Description("Specifies the orientation for the etched line. That is, which direction it is drawn.")]
    public Orientation Orientation
    {
      get
      {
        return _orientation;
      }
      set
      {
        if (value != _orientation)
        {
          ArgumentHelper.AssertEnumMember(value);
          _orientation = value;
          //invert the size
          Size = new Size(Height, Width);
          Invalidate();
        }
      }
    }

    /// <include file='EtchedLine.doc.xml' path='/doc/member[@name="M:.ctor()"]/*'/>
    public EtchedLine()
    {
      Orientation = Orientation.Horizontal;
      Resize += new EventHandler(EtchedLine_Resize);
      _darkPen = new Pen(SystemColors.ControlDark);
      _lightPen = new Pen(SystemColors.ControlLightLight);
    }

    /// <include file='EtchedLine.doc.xml' path='/doc/member[@name="M:OnPaint(System.Windows.Forms.PaintEventArgs)"]/*'/>
    protected override void OnPaint(PaintEventArgs e)
    {
      base.OnPaint(e);
      Graphics g = e.Graphics;

      if (Orientation == Orientation.Horizontal)
      {
        g.DrawLine(_darkPen, 0, 0, Width, 0);
        g.DrawLine(_lightPen, 0, 1, Width, 1);
      }
      else
      {
        g.DrawLine(_darkPen, 0, 0, 0, Height);
        g.DrawLine(_lightPen, 1, 0, 1, Height);
      }
    }

    /// <include file='EtchedLine.doc.xml' path='/doc/member[@name="M:Dispose(System.Boolean)"]/*'/>
    protected override void Dispose(bool disposing)
    {
      if (disposing)
      {
        _darkPen.Dispose();
        _lightPen.Dispose();
      }

      base.Dispose(disposing);
    }

    private void EtchedLine_Resize(object sender, EventArgs e)
    {
      switch (Orientation)
      {
        case Orientation.Horizontal:
          Height = 2;
          break;
        case Orientation.Vertical:
          Width = 2;
          break;    
      }
    }
  }
}