Fluent Ribbon: Specify position of contextual tab groups? - wpf

Question

In the Fluent Ribbon Control Suite, is there a way to make the contextual tab groups show up first instead of last? I was using an older build and had a contextual tab group for the first three tab items, and two more with no group. Downloaded and built the newest source; the tabs in the group are now on the right end. I want them to show in the same order as I have them specified in the xaml. I don't see any obvious properties that would allow me to specify the order.

Answer 1

Since no one had an answer to this, and I just got a Tumbleweed badge for it :), I decided to post my solution, which was to modify the Fluent Ribbon Control Suite code. I modified ArrangeOverride in the RibbonTabsContainer class. This caused the Grouped tabs to be rendered before the ones not in a group:
/// <summary>
/// Positions child elements and determines
/// a size for the control
/// </summary>
/// <param name="finalSize">The final area within the parent
/// that this element should use to arrange
/// itself and its children</param>
/// <returns>The actual size used</returns>
protected override Size ArrangeOverride(Size finalSize)
{
var finalRect = new Rect(finalSize)
{
X = -this.HorizontalOffset
};
var orderedChildren = this.InternalChildren.OfType<RibbonTabItem>()
.OrderByDescending(x => x.Group != null); // <==== originally .OrderBy
foreach (var item in orderedChildren)
{
finalRect.Width = item.DesiredSize.Width;
finalRect.Height = Math.Max(finalSize.Height, item.DesiredSize.Height);
item.Arrange(finalRect);
finalRect.X += item.DesiredSize.Width;
}
var ribbonTabItemsWithGroups = this.InternalChildren.OfType<RibbonTabItem>()
.Where(item => item.Group != null);
var ribbonTitleBar = ribbonTabItemsWithGroups.Select(ribbonTabItemsWithGroup => ribbonTabItemsWithGroup.Group.Parent)
.OfType<RibbonTitleBar>()
.FirstOrDefault();
if (ribbonTitleBar != null)
{
ribbonTitleBar.InvalidateMeasure();
}
return finalSize;
}