﻿/*************************************************************************************
   
   Toolkit for WPF

   Copyright (C) 2007-2020 Xceed Software Inc.

   This program is provided to you under the terms of the XCEED SOFTWARE, INC.
   COMMUNITY LICENSE AGREEMENT (for non-commercial use) as published at 
   https://github.com/xceedsoftware/wpftoolkit/blob/master/license.md 

   For more features, controls, and fast professional support,
   pick up the Plus Edition at https://xceed.com/xceed-toolkit-plus-for-wpf/

   Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids

  ***********************************************************************************/

using System;
using System.Windows;
using System.Windows.Data;

namespace Xceed.Wpf.Toolkit.Core.Converters
{
  public class BorderThicknessToStrokeThicknessConverter : IValueConverter
  {
    #region IValueConverter Members

    public object Convert( object value, Type targetType, object parameter, System.Globalization.CultureInfo culture )
    {
      Thickness thickness = ( Thickness )value;
      return ( thickness.Bottom + thickness.Left + thickness.Right + thickness.Top ) / 4;
    }

    public object ConvertBack( object value, Type targetType, object parameter, System.Globalization.CultureInfo culture )
    {
      int? thick = ( int? )value;
      int thickValue = thick.HasValue ? thick.Value : 0;

      return new Thickness( thickValue, thickValue, thickValue, thickValue );
    }

    #endregion
  }
}
