public ColumnHeader (string text, GridLength width ) : base ( width )
{
if (width.IsAuto)
throw new NotImplementedException ("Auto");
this.TextAlignment = TextAlignment.Left;
this.Text = text;
this.TextColor = Color.White;
}
/// <summary>
/// Set the height/width of the given row/column
/// </summary>
private static void SetDefinitionLength(DefinitionAbstraction definition, GridLength length)
{
if (definition.AsColumnDefinition != null)
{
definition.AsColumnDefinition.SetValue(ColumnDefinition.WidthProperty, length);
}
else
{
definition.AsRowDefinition.SetValue(RowDefinition.HeightProperty, length);
}
}
// optimized measure for common usage
private Size MeasureSingleCell(Size availableSize, GridLength width, GridLength height)
{
Size desiredSize = Size.Zero;
availableSize = new Size(width.IsAbsolute ? width.Value : availableSize.Width, height.IsAbsolute ? height.Value : availableSize.Height);
foreach (FrameworkElement child in Children)
{
child.Measure(availableSize);
desiredSize = desiredSize.Max(child.DesiredSize);
}
return desiredSize;
}
// optimized arrange for common usage
private Size ArrangeSingleCell(Size finalSize, GridLength width, GridLength height)
{
double finalWidth = width.IsAbsolute ? width.Value : finalSize.Width;
double finalHeight = height.IsAbsolute ? height.Value : finalSize.Height;
Rect finalRect = new Rect(finalWidth, finalHeight);
foreach (FrameworkElement child in Children)
{
child.Arrange(finalRect);
}
return finalSize;
}
public ColumnDefinition (GridLength width) : this ( width, null, null )
{
}
public ColumnDefinition (GridLength width, float? minWidth, float? maxWidth)
{
this.Width = width;
this.MinWidth = minWidth;
this.MaxWidth = maxWidth;
}