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

   Extended WPF Toolkit

   Copyright (C) 2007-2013 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license 

   For more features, controls, and fast professional support,
   pick up the Plus Edition at http://xceed.com/wpf_toolkit

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

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

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Globalization;
using System.Windows;

namespace Xceed.Wpf.Toolkit.Core.Converters
{
  /// <summary>
  /// Sets the margin for the thumb grip, the top buttons, or for the content border in the WindowControl.
  /// </summary>
  public class WindowContentBorderMarginConverter : IMultiValueConverter
  {
    public object Convert( object[] values, Type targetType, object parameter, CultureInfo culture )
    {
      double horizontalContentBorderOffset = ( double )values[ 0 ];
      double verticalContentBorderOffset = ( double )values[ 1 ];

      switch( ( string )parameter )
      {
        // Content Border Margin in the WindowControl
        case "0":
          return new Thickness( horizontalContentBorderOffset
                              , 0d
                              , horizontalContentBorderOffset
                              , verticalContentBorderOffset );
        // Thumb Grip Margin in the WindowControl
        case "1":
          return new Thickness( 0d
                              , 0d
                              , horizontalContentBorderOffset
                              , verticalContentBorderOffset );
        // Header Buttons Margin in the WindowControl
        case "2":
          return new Thickness( 0d
                              , 0d
                              , horizontalContentBorderOffset
                              , 0d );
        default:
          throw new NotSupportedException( "'parameter' for WindowContentBorderMarginConverter is not valid." );
      }
    }

    public object[] ConvertBack( object value, Type[] targetTypes, object parameter, CultureInfo culture )
    {
      throw new NotImplementedException();
    }
  }
}