/// <summary>
/// Constructs a basic column
/// </summary>
/// <param name="name">Name of column, this can be used to identify the column across languages being used where caption will be different</param>
/// <param name="caption">The caption used on the header.</param>
/// <param name="width">Initial width of the column</param>
public Column(string name, string caption, int width, ColumnItemValueAccessor columnItemValueAccessor)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (caption == null)
{
throw new ArgumentNullException("caption");
}
if (width < 0)
{
throw new ArgumentOutOfRangeException("width");
}
_name = name;
_caption = caption;
_width = width;
_columnItemValueAccessor = columnItemValueAccessor;
_comparitor = delegate(object x, object y)
{
object cellItemX = ColumnItemAccessor(x);
object cellItemY = ColumnItemAccessor(y);
IComparable comparer = cellItemX as IComparable;
if (comparer == null)
{
string error = string.Format("Cell item for column '{0}' doesn't support comparing. You will need to supply a comparer by setting Column.Comparitor", Name);
throw new NotSupportedException(error);
}
return(comparer.CompareTo(cellItemY));
};
_groupedComparitor = delegate(object x, object y)
{
if (x == y)
{
return(0);
}
if (x != null && y != null)
{
if (GroupItemAccessor(x) == GroupItemAccessor(y))
{
return(0);
}
}
return(_comparitor(x, y));
};
}
/// <summary>
/// Constructs a basic column
/// </summary>
/// <param name="name">Name of column, this can be used to identify the column across languages being used where caption will be different</param>
/// <param name="caption">The caption used on the header.</param>
/// <param name="width">Initial width of the column</param>
public Column( string name, string caption, int width, ColumnItemValueAccessor columnItemValueAccessor )
{
if( name == null )
{
throw new ArgumentNullException( "name" );
}
if( caption == null )
{
throw new ArgumentNullException( "caption" );
}
if( width < 0 )
{
throw new ArgumentOutOfRangeException( "width" );
}
_name = name;
_caption = caption;
_width = width;
_columnItemValueAccessor = columnItemValueAccessor;
_comparitor = delegate( object x, object y )
{
object cellItemX = ColumnItemAccessor( x );
object cellItemY = ColumnItemAccessor( y );
IComparable comparer = cellItemX as IComparable;
if( comparer == null )
{
string error = string.Format( "Cell item for column '{0}' doesn't support comparing. You will need to supply a comparer by setting Column.Comparitor", Name );
throw new NotSupportedException( error );
}
return comparer.CompareTo( cellItemY );
};
_groupedComparitor = delegate( object x, object y )
{
if( x == y )
{
return 0;
}
if( x != null && y != null )
{
if( GroupItemAccessor( x ) == GroupItemAccessor( y ) )
{
return 0;
}
}
return _comparitor( x, y );
};
}
/// <summary>
/// Creates a copy of the given column
/// </summary>
/// <param name="columnToCopy"></param>
public Column( Column columnToCopy )
{
_name = columnToCopy._name;
_comparitor = columnToCopy._comparitor;
_caption = columnToCopy._caption;
_width = columnToCopy._width;
_sortOrder = columnToCopy._sortOrder;
_groupSortOrder = columnToCopy._groupSortOrder;
_isVisible = columnToCopy._isVisible;
_isGrouped = columnToCopy._isGrouped;
_columnItemValueAccessor = columnToCopy._columnItemValueAccessor;
_groupItemValueAccessor = columnToCopy._groupItemValueAccessor;
_groupedComparitor = columnToCopy._groupedComparitor;
_headerIcon = columnToCopy.HeaderIcon;
_isFixedWidth = columnToCopy.IsFixedWidth;
_showHeaderSortArrow = columnToCopy.ShowHeaderSortArrow;
_wrapText = columnToCopy.WrapText;
}
