int GetGalleryColumns(DependencyObject control, int level, int maxLevels)
{
RibbonGalleryColumns columns = RibbonGallery.GetReductionColumns(control);
if (columns != null && columns.Count > 0)
{
level = Math.Max(0, Math.Min(level, columns.Count - 1));
return(columns[level]);
}
if (level == maxLevels)
{
return(0);
}
if (maxLevels > 4)
{
level = Math.Max(level, 8);
return(3 + (4 - level / 2));
}
else
{
return(3 + (2 - level) * 2);
}
}
//Gets the maximum possible ReductionLevel that would change any of the controls.
private int GetMaxLevel()
{
int max = 1;
foreach (UIElement e in Controls)
{
if (e is IRibbonControl)
{
RibbonSizeCollection reduction = RibbonBar.GetReduction(e);
int m = reduction != null ? reduction.Count : 3;
max = Math.Max(max, m);
}
if (e is IRibbonGallery)
{
RibbonGalleryColumns columns = RibbonGallery.GetReductionColumns(e);
int m = columns != null ? columns.Count : 3;
max = Math.Max(max, m);
}
}
return(max);
}