// We have to reset the reduce order to it's initial value, clear all caches we keep here and invalidate measure/arrange
#pragma warning disable CA1801 // Review unused parameters
internal void GroupBoxCacheClearedAndStateAndScaleResetted(RibbonGroupBox ribbonGroupBox)
#pragma warning restore CA1801 // Review unused parameters
{
var ribbonPanel = this;
var newReduceOrderIndex = ribbonPanel.reduceOrder.Length - 1;
ribbonPanel.reduceOrderIndex = newReduceOrderIndex;
this.measureCache = default;
foreach (var item in this.InternalChildren)
{
var groupBox = item as RibbonGroupBox;
if (groupBox is null)
{
continue;
}
groupBox.TryClearCacheAndResetStateAndScale();
}
ribbonPanel.InvalidateMeasure();
ribbonPanel.InvalidateArrange();
}
/// <inheritdoc />
protected override Size MeasureOverride(Size availableSize)
{
var desiredSize = this.GetChildrenDesiredSizeIntermediate();
if (this.reduceOrder.Length == 0
// Check cached measure to prevent "flicker"
|| (this.measureCache.AvailableSize == availableSize && this.measureCache.DesiredSize == desiredSize))
{
this.VerifyScrollData(availableSize.Width, desiredSize.Width);
return(desiredSize);
}
// If we have more available space - try to expand groups
while (desiredSize.Width <= availableSize.Width)
{
var hasMoreVariants = this.reduceOrderIndex < this.reduceOrder.Length - 1;
if (hasMoreVariants == false)
{
break;
}
// Increase size of another item
this.reduceOrderIndex++;
this.IncreaseGroupBoxSize(this.reduceOrder[this.reduceOrderIndex]);
desiredSize = this.GetChildrenDesiredSizeIntermediate();
}
// If not enough space - go to next variant
while (desiredSize.Width > availableSize.Width)
{
var hasMoreVariants = this.reduceOrderIndex >= 0;
if (hasMoreVariants == false)
{
break;
}
// Decrease size of another item
this.DecreaseGroupBoxSize(this.reduceOrder[this.reduceOrderIndex]);
this.reduceOrderIndex--;
desiredSize = this.GetChildrenDesiredSizeIntermediate();
}
// Set find values
foreach (var item in this.InternalChildren)
{
var groupBox = item as RibbonGroupBox;
if (groupBox == null)
{
continue;
}
if (groupBox.State != groupBox.StateIntermediate ||
groupBox.Scale != groupBox.ScaleIntermediate)
{
groupBox.SuppressCacheReseting = true;
groupBox.State = groupBox.StateIntermediate;
groupBox.Scale = groupBox.ScaleIntermediate;
groupBox.InvalidateLayout();
groupBox.Measure(new Size(double.PositiveInfinity, availableSize.Height));
groupBox.SuppressCacheReseting = false;
}
// Something wrong with cache?
if (groupBox.DesiredSizeIntermediate != groupBox.DesiredSize)
{
// Reset cache and reinvoke masure
groupBox.ClearCache();
return(this.MeasureOverride(availableSize));
}
}
this.measureCache = new MeasureCache(availableSize, desiredSize);
this.VerifyScrollData(availableSize.Width, desiredSize.Width);
return(desiredSize);
}
