public Size MeasureOverrideHorizontal(IStackBase stack, Size constraint)
{
//var padding = panelStack.Padding;
double measuredWidth = 0;
double measuredHeight = 0;
IUICollection <IUIElement> children = stack.Children;
int count = stack.Children.Count;
for (int i = 0; i < count; i++)
{
IUIElement child = children[i];
if (!child.Visible)
{
continue;
}
child.Measure(new Size(double.PositiveInfinity, constraint.Height));
var desiredSize = child.DesiredSize;
measuredWidth += desiredSize.Width;
measuredHeight = Math.Max(measuredHeight, desiredSize.Height);
}
measuredWidth += MeasureTotalSpacing(stack);
//measuredWidth += padding.HorizontalThickness;
//measuredHeight += padding.VerticalThickness;
var finalWidth = ResolveWidthConstraints(stack, constraint.Width, measuredWidth);
var finalHeight = ResolveHeightConstraints(stack, constraint.Height, measuredHeight);
return(new Size(finalWidth, finalHeight));
}
protected static Size ArrangeOverrideVertical(IStackBase stack, Size finalSize)
{
//var padding = Stack.Padding;
//double top = padding.Top + bounds.Top;
//double left = padding.Left + bounds.Left;
//var height = bounds.Height - padding.VerticalThickness;
var children = stack.Children;
int count = children.Count;
double width = finalSize.Width;
double spacing = stack.Spacing;
double stackHeight = 0;
for (int n = 0; n < count; n++)
{
IUIElement child = children[n];
if (!child.Visible)
{
continue;
}
double childHeight = child.DesiredSize.Height;
child.Arrange(new Rect(0, stackHeight, width, childHeight));
stackHeight += childHeight + spacing;
}
return(AdjustForStretchToFill(stack, width, stackHeight, finalSize));
}
protected static Size ArrangeOverrideHorizontal(IStackBase stack, Size finalSize)
{
//var padding = Stack.Padding;
//double top = padding.Top + bounds.Top;
//double left = padding.Left + bounds.Left;
//var height = bounds.Height - padding.VerticalThickness;
var children = stack.Children;
int count = children.Count;
double height = finalSize.Height;
double spacing = stack.Spacing;
double xPosition = 0;
if (stack.FlowDirection == FlowDirection.LeftToRight)
{
for (int n = 0; n < count; n++)
{
IUIElement child = children[n];
if (!child.Visible)
{
continue;
}
double childWidth = child.DesiredSize.Width;
child.Arrange(new Rect(xPosition, 0, childWidth, height));
xPosition += childWidth + spacing;
}
}
else
{
for (int n = count - 1; n >= 0; n--)
{
IUIElement child = children[n];
if (!child.Visible)
{
continue;
}
double childWidth = child.DesiredSize.Width;
child.Arrange(new Rect(xPosition, 0, childWidth, height));
xPosition += childWidth + spacing;
}
}
return(AdjustForStretchToFill(stack, xPosition, height, finalSize));
}
protected static double MeasureTotalSpacing(IStackBase stack)
{
int childCount = stack.Children.Count;
return(childCount > 1 ? (childCount - 1) * stack.Spacing : 0);
}
