private void ClosePickerPage()
{
// Unhook from events
if (null != _frame)
{
_frame.Navigated -= OnFrameNavigated;
_frame.NavigationStopped -= OnFrameNavigationStoppedOrFailed;
_frame.NavigationFailed -= OnFrameNavigationStoppedOrFailed;
// Restore host page transitions for the completed "popup" navigation
UIElement frameContentWhenOpenedAsUIElement = _frameContentWhenOpened as UIElement;
if (null != frameContentWhenOpenedAsUIElement)
{
TransitionService.SetNavigationInTransition(frameContentWhenOpenedAsUIElement, _savedNavigationInTransition);
_savedNavigationInTransition = null;
TransitionService.SetNavigationOutTransition(frameContentWhenOpenedAsUIElement, _savedNavigationOutTransition);
_savedNavigationOutTransition = null;
}
_frame = null;
_frameContentWhenOpened = null;
}
if (null != _expanderSelectorPage)
{
//this.SelectItem = _expanderSelectorPage.SelectItem == null ? _expanderSelectorPage.SelectItem : null;
ValueSelected(this, new ExpanderSelectedEventArgs(_expanderSellectorDataContext.SelectedItem));
_expanderSelectorPage = null;
}
}
private void OnFrameNavigated(object sender, NavigationEventArgs e)
{
if (e.Content == _frameContentWhenOpened)
{
// Navigation to original page; close the picker page
ClosePickerPage();
}
else if (null == _expanderSelectorPage)
{
// Navigation to a new page; capture it and push the value in
var selectorPage = e.Content as ExpanderSelectorPage;
if (null != selectorPage)
{
_expanderSelectorPage = selectorPage;
_expanderSelectorPage.DataContext = _expanderSellectorDataContext;
_expanderSelectorPage.InitTreeView();
//_expanderSelectorPage.Value = Value.GetValueOrDefault(DateTime.Now);
//pickerPage.SetFlowDirection(this.FlowDirection);
}
}
}
