internal void RaiseSelectionEvents(SelectionChangedEventArgs e)
{
if (base.ItemPeers.Count == 0)
{
base.RaiseAutomationEvent(AutomationEvents.SelectionPatternOnInvalidated);
return;
}
Selector selector = (Selector)base.Owner;
int count = selector._selectedItems.Count;
int count2 = e.AddedItems.Count;
int count3 = e.RemovedItems.Count;
if (count == 1 && count2 == 1)
{
SelectorItemAutomationPeer selectorItemAutomationPeer = this.FindOrCreateItemAutomationPeer(selector._selectedItems[0].Item) as SelectorItemAutomationPeer;
if (selectorItemAutomationPeer != null)
{
selectorItemAutomationPeer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementSelected);
return;
}
}
else
{
if (count2 + count3 > 20)
{
base.RaiseAutomationEvent(AutomationEvents.SelectionPatternOnInvalidated);
return;
}
for (int i = 0; i < count2; i++)
{
SelectorItemAutomationPeer selectorItemAutomationPeer2 = this.FindOrCreateItemAutomationPeer(e.AddedItems[i]) as SelectorItemAutomationPeer;
if (selectorItemAutomationPeer2 != null)
{
selectorItemAutomationPeer2.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementAddedToSelection);
}
}
for (int i = 0; i < count3; i++)
{
SelectorItemAutomationPeer selectorItemAutomationPeer3 = this.FindOrCreateItemAutomationPeer(e.RemovedItems[i]) as SelectorItemAutomationPeer;
if (selectorItemAutomationPeer3 != null)
{
selectorItemAutomationPeer3.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection);
}
}
}
}
/// <summary>This type or member supports the Windows Presentation Foundation (WPF) infrastructure and is not intended to be used directly from your code.</summary>
/// <returns>A collection of UI Automation providers. true if multiple selection is allowed; otherwise false.</returns>
// Token: 0x060027EE RID: 10222 RVA: 0x000BB1F4 File Offset: 0x000B93F4
IRawElementProviderSimple[] ISelectionProvider.GetSelection()
{
Selector selector = (Selector)base.Owner;
int count = selector._selectedItems.Count;
int count2 = selector.Items.Count;
if (count > 0 && count2 > 0)
{
List <IRawElementProviderSimple> list = new List <IRawElementProviderSimple>(count);
for (int i = 0; i < count; i++)
{
SelectorItemAutomationPeer selectorItemAutomationPeer = this.FindOrCreateItemAutomationPeer(selector._selectedItems[i].Item) as SelectorItemAutomationPeer;
if (selectorItemAutomationPeer != null)
{
list.Add(base.ProviderFromPeer(selectorItemAutomationPeer));
}
}
return(list.ToArray());
}
return(null);
}
//-------------------------------------------------------------------
//
// ISelectionProvider
//
//-------------------------------------------------------------------
#region ISelectionProvider
IRawElementProviderSimple [] ISelectionProvider.GetSelection()
{
Selector owner = (Selector)Owner;
int count = owner._selectedItems.Count;
int itemsCount = (owner as ItemsControl).Items.Count;
if (count > 0 && itemsCount > 0)
{
List <IRawElementProviderSimple> selectedProviders = new List <IRawElementProviderSimple>(count);
for (int i = 0; i < count; i++)
{
SelectorItemAutomationPeer peer = FindOrCreateItemAutomationPeer(owner._selectedItems[i].Item) as SelectorItemAutomationPeer;
if (peer != null)
{
selectedProviders.Add(ProviderFromPeer(peer));
}
}
return(selectedProviders.ToArray());
}
return(null);
}
internal void RaiseSelectionEvents(SelectionChangedEventArgs e)
{
if (ItemPeers.Count == 0)
{
// ItemPeers.Count == 0 if children were never fetched.
// in the case, when client probably is not interested in the details
// of selection changes. but we still want to notify client about it.
this.RaiseAutomationEvent(AutomationEvents.SelectionPatternOnInvalidated);
return;
}
Selector owner = (Selector)Owner;
// These counters are bound to selection only numAdded = number of items just added and included in the current selection,
// numRemoved = number of items just removed from the selection, numSelected = total number of items currently selected after addition and removal.
int numSelected = owner._selectedItems.Count;
int numAdded = e.AddedItems.Count;
int numRemoved = e.RemovedItems.Count;
if (numSelected == 1 && numAdded == 1)
{
SelectorItemAutomationPeer peer = FindOrCreateItemAutomationPeer(owner._selectedItems[0].Item) as SelectorItemAutomationPeer;
if (peer != null)
{
peer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementSelected);
}
}
else
{
// If more than InvalidateLimit element change their state then we invalidate the selection container
// Otherwise we fire Add/Remove from selection events
if (numAdded + numRemoved > AutomationInteropProvider.InvalidateLimit)
{
this.RaiseAutomationEvent(AutomationEvents.SelectionPatternOnInvalidated);
}
else
{
int i;
for (i = 0; i < numAdded; i++)
{
SelectorItemAutomationPeer peer = FindOrCreateItemAutomationPeer(e.AddedItems[i]) as SelectorItemAutomationPeer;
if (peer != null)
{
peer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementAddedToSelection);
}
}
for (i = 0; i < numRemoved; i++)
{
SelectorItemAutomationPeer peer = FindOrCreateItemAutomationPeer(e.RemovedItems[i]) as SelectorItemAutomationPeer;
if (peer != null)
{
peer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection);
}
}
}
}
}