private void CommitChange()
{
ValueEditorUtils.ExecuteCommand(this.BeginCommand, (IInputElement)this, (object)null);
if (this.UpdateValueFromInternalValues())
{
ValueEditorUtils.UpdateBinding((FrameworkElement)this, ChoiceEditor.ValueProperty, UpdateBindingType.Source);
ValueEditorUtils.UpdateBinding((FrameworkElement)this, ChoiceEditor.ValueIndexProperty, UpdateBindingType.Source);
ValueEditorUtils.ExecuteCommand(this.CommitCommand, (IInputElement)this, (object)null);
ValueEditorUtils.UpdateBinding((FrameworkElement)this, ChoiceEditor.ValueProperty, UpdateBindingType.Target);
ValueEditorUtils.UpdateBinding((FrameworkElement)this, ChoiceEditor.ValueIndexProperty, UpdateBindingType.Target);
}
else
{
this.CancelStartedChange();
}
this.lostFocusAction = ChoiceEditor.LostFocusAction.None;
}
private void HandleLostFocus()
{
if (!this.isTextEditing)
{
return;
}
ChoiceEditor.LostFocusAction lostFocusAction = this.lostFocusAction;
this.lostFocusAction = ChoiceEditor.LostFocusAction.None;
this.isTextEditing = false;
if (lostFocusAction == ChoiceEditor.LostFocusAction.Commit)
{
this.CommitChange();
}
else if (lostFocusAction == ChoiceEditor.LostFocusAction.Cancel)
{
this.CancelChange();
}
this.CoerceValue(ChoiceEditor.ShowFullControlProperty);
}
protected override void OnPreviewKeyDown(KeyEventArgs e)
{
bool handlesCommitKeys = ValueEditorUtils.GetHandlesCommitKeys((DependencyObject)this);
if (e.Key == Key.Return || e.Key == Key.Return)
{
KeyEventArgs keyEventArgs = e;
int num = keyEventArgs.Handled | handlesCommitKeys ? 1 : 0;
keyEventArgs.Handled = num != 0;
ChoiceEditor.LostFocusAction lostFocusAction = this.lostFocusAction;
this.lostFocusAction = ChoiceEditor.LostFocusAction.None;
if (lostFocusAction == ChoiceEditor.LostFocusAction.Commit)
{
this.CommitChange();
}
if ((e.KeyboardDevice.Modifiers & ModifierKeys.Shift) == ModifierKeys.None)
{
this.OnFinishEditing();
}
}
else if (e.Key == Key.Escape)
{
KeyEventArgs keyEventArgs = e;
int num = keyEventArgs.Handled | handlesCommitKeys ? 1 : 0;
keyEventArgs.Handled = num != 0;
ChoiceEditor.LostFocusAction lostFocusAction = this.lostFocusAction;
this.lostFocusAction = ChoiceEditor.LostFocusAction.None;
if (lostFocusAction != ChoiceEditor.LostFocusAction.None)
{
this.CancelChange();
}
this.OnFinishEditing();
}
if (this.InternalIsSelectingValue && this.collectionView != null && !this.collectionView.IsEmpty)
{
if (e.Key == Key.Up || !this.IsEditable && e.Key == Key.Left)
{
this.SelectPreviousValue();
this.lostFocusAction = ChoiceEditor.LostFocusAction.Commit;
e.Handled = true;
}
else if (e.Key == Key.Down || !this.IsEditable && e.Key == Key.Right)
{
this.SelectNextValue();
this.lostFocusAction = ChoiceEditor.LostFocusAction.Commit;
e.Handled = true;
}
else if (!this.IsEditable && e.Key == Key.Home)
{
this.ValueIndex = 0;
this.lostFocusAction = ChoiceEditor.LostFocusAction.Commit;
e.Handled = true;
}
else if (!this.IsEditable && e.Key == Key.End)
{
this.ValueIndex = this.collectionView.Count - 1;
this.lostFocusAction = ChoiceEditor.LostFocusAction.Commit;
e.Handled = true;
}
}
base.OnPreviewKeyDown(e);
}