public static void SetOrder(Layoutable layoutable, int value)
{
if (layoutable is null)
{
throw new ArgumentNullException(nameof(layoutable));
}
layoutable.SetValue(OrderProperty, value);
}
protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
base.OnTemplateApplied(e);
headerControl = e.NameScope.Find(partHeader) as Layoutable;
selectedControl = e.NameScope.Find(partSelected) as Layoutable;
ApplyBinding();
}
public static int GetOrder(Layoutable layoutable)
{
if (layoutable is null)
{
throw new ArgumentNullException(nameof(layoutable));
}
return(layoutable.GetValue(OrderProperty));
}
public static void SetAlignSelf(Layoutable layoutable, AlignItems?value)
{
if (layoutable is null)
{
throw new ArgumentNullException(nameof(layoutable));
}
layoutable.SetValue(AlignSelfProperty, value);
}
public static AlignItems?GetAlignSelf(Layoutable layoutable)
{
if (layoutable is null)
{
throw new ArgumentNullException(nameof(layoutable));
}
return(layoutable.GetValue(AlignSelfProperty));
}
public GraphNode AddNode(Layoutable value)
{
if (!_nodeDic.ContainsKey(value))
{
var node = new GraphNode(value);
_nodeDic.Add(value, node);
return(node);
}
return(_nodeDic[value]);
}
public GraphNode(Layoutable element)
{
OutgoingNodes = new HashSet <GraphNode>();
Element = element;
}
/// <summary>
/// Resize and resposition the SelectionRangeElement.
/// </summary>
private void UpdateSelectionRangeElementPositionAndSize()
{
Size trackSize = new Size(0d, 0d);
Size thumbSize = new Size(0d, 0d);
if (Track == null || DoubleUtil.LessThan(SelectionEnd, SelectionStart))
{
return;
}
trackSize = Track.DesiredSize; //Track.RenderSize;
thumbSize = (Track.Thumb != null) ?
/*Track.Thumb.RenderSize*/
Track.Thumb.DesiredSize : new Size(0d, 0d);
double range = Maximum - Minimum;
double valueToSize;
Layoutable rangeElement = this.SelectionRangeElement as Layoutable;
if (rangeElement == null)
{
return;
}
if (Orientation == Orientation.Horizontal)
{
// Calculate part size for HorizontalSlider
if (DoubleUtil.AreClose(range, 0d) || (DoubleUtil.AreClose(trackSize.Width, thumbSize.Width)))
{
valueToSize = 0d;
}
else
{
valueToSize = Math.Max(0.0, (trackSize.Width - thumbSize.Width) / range);
}
rangeElement.Width = ((SelectionEnd - SelectionStart) * valueToSize);
if (IsDirectionReversed)
{
Canvas.SetLeft(rangeElement, (thumbSize.Width * 0.5) + Math.Max(Maximum - SelectionEnd, 0) * valueToSize);
}
else
{
Canvas.SetLeft(rangeElement, (thumbSize.Width * 0.5) + Math.Max(SelectionStart - Minimum, 0) * valueToSize);
}
}
else
{
// Calculate part size for VerticalSlider
if (DoubleUtil.AreClose(range, 0d) || (DoubleUtil.AreClose(trackSize.Height, thumbSize.Height)))
{
valueToSize = 0d;
}
else
{
valueToSize = Math.Max(0.0, (trackSize.Height - thumbSize.Height) / range);
}
rangeElement.Height = ((SelectionEnd - SelectionStart) * valueToSize);
if (IsDirectionReversed)
{
Canvas.SetTop(rangeElement, (thumbSize.Height * 0.5) + Math.Max(SelectionStart - Minimum, 0) * valueToSize);
}
else
{
Canvas.SetTop(rangeElement, (thumbSize.Height * 0.5) + Math.Max(Maximum - SelectionEnd, 0) * valueToSize);
}
}
}
public static Size GetMinControlSize(Layoutable control)
{
control.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
control.Arrange(new Rect(control.DesiredSize));
return(control.Bounds.Size);
}
