/// <summary>
/// Adds a clone of the item to the Items collection.
/// </summary>
public void Add(ISupportQuickAccessToolBar item)
{
if (IsLocked)
{
return;
}
string id = GetEffectiveId((DependencyObject)item);
if (Contains(id))
{
return;
}
var clone = item.CloneForQuickAccessToolbar();
SetId(clone, id);
clone.SetValue(IsCloneProperty, true);
InsertItem(clone);
}
private ISupportQuickAccessToolBar FindQATSupporter(string id, ref List <ISupportQuickAccessToolBar> qatSupporters)
{
var window = Window.GetWindow(this);
if (window == null)
{
return(null);
}
if (qatSupporters == null)
{
qatSupporters = window.GetVisuals <ISupportQuickAccessToolBar>().ToList();
}
foreach (var qatSupporter in qatSupporters)
{
if (GetEffectiveId((DependencyObject)qatSupporter) == id)
{
return(qatSupporter);
}
}
var metroShell = window.GetFirstDescendent <MetroShell>();
if (metroShell == null)
{
return(null);
}
var selectedTab = metroShell.SelectedItem;
ISupportQuickAccessToolBar target = null;
try
{
foreach (var item in metroShell.Items)
{
if (item != selectedTab)
{
metroShell.SelectedItem = item;
DispatcherHelper.WaitForPriority(DispatcherPriority.ContextIdle);
var supporters = metroShell.GetVisuals <ISupportQuickAccessToolBar>().ToList();
qatSupporters.AddRange(supporters);
foreach (var qatSupporter in supporters)
{
if (GetEffectiveId((DependencyObject)qatSupporter) == id)
{
target = qatSupporter;
break;
}
}
}
if (target != null)
{
break;
}
}
}
catch { } // Don't want unexpected errors to cause a crash. Doing something a bit unusual after all...
finally
{
metroShell.SelectedItem = selectedTab;
}
return(target);
}
/// <summary>
/// Returns true if an element based on item has been added to the QAT.
/// </summary>
public bool Contains(ISupportQuickAccessToolBar item)
{
return(Contains(GetEffectiveId((DependencyObject)item)));
}