private int GetTabIndex(RibbonTabItem tabItem)
{
int index = Tabs.IndexOf(tabItem);
if (index >= 0) return index;
if (ContextualTabSet != null)
{
index = ContextualTabSet.Tabs.IndexOf(tabItem);
return index + Tabs.Count;
}
return -1;
}
private void SetSelectedTabItem(RibbonTabItem item)
{
SelectedGroups = item != null ? item.Items : null;
ItemsSource = SelectedGroups;
int index = SelectedTabIndex;
for (int i = 0; i < Tabs.Count; i++)
{
item = Tabs[i];
item.IsSelected = i == index;
}
RibbonContextualTabSet currentSet = ContextualTabSet;
if (currentSet != null)
{
index -= Tabs.Count;
currentSet.SetSelectedTabItem(index);
}
if (contextualTabSets != null)
{
foreach (var set in contextualTabSets)
{
if (set != currentSet)
{
set.SetSelectedTabItem(-1);
}
}
}
}
/// <summary>
/// Selects the specified Tabitem.
/// </summary>
private void Select(RibbonTabItem tabItem)
{
int index = GetTabIndex(tabItem);
bool isCurrent = index == this.SelectedTabIndex;
this.SelectedTabIndex = index;
if (CanMinimize)
{
if (isCurrent && IsExpanded) this.IsExpanded ^= true; else this.IsExpanded = true;
}
}
/// <summary>
/// Gets the index for VisibleTabs of the specified tab, otherwise -1.
/// </summary>
/// <param name="item">The TabItem for which to determine the index.</param>
/// <returns>The index related to <see cref="T:RibbonBar.VisibleTable"/>, otherwise -1.</returns>
public int IndexOfVisibleTab(RibbonTabItem item)
{
if (item == null) return -1;
int index = 0;
foreach (var tab in VisibleTabs)
{
if (tab == item) return index;
index++;
}
return -1;
}