private void InitView()
{
if (_isDesignTime == true)
{
return;
}
var panel = Content as Panel;
_views = new List <IBaseView>();
var _viewsDic = new Dictionary <int, IBaseView>();
foreach (UIElement item in panel.Children)
{
if (item is IBaseView iBaseView)
{
_views.Add(iBaseView);
var level = BaseComplexView.GetViewLevel(item);
if (_viewsDic.ContainsKey(level) == false)
{
_viewsDic.Add(level, iBaseView);
}
(item as UserControl).Loaded += Item_Loaded;
}
}
if (_viewsDic.Count == 0)
{
return;
}
var viewList = new List <IBaseView>(_viewsDic.Count + 2);
viewList.Add(_viewsDic[_viewsDic.Count - 1]);
for (int i = 0; i < _viewsDic.Count; i++)
{
viewList.Add(_viewsDic[i]);
}
viewList.Add(_viewsDic[0]);
for (int i = 1; i < viewList.Count - 1; i++)
{
var previousView = viewList[i - 1];
var currentView = viewList[i];
var nextView = viewList[i + 1];
if (i < viewList.Count - 2)
{
InitSelectedIndexChangedAction(currentView, nextView);
}
InitMoveFocusAction(currentView, nextView);
InitAfterSave(previousView, currentView, nextView);
InitAfterLoad(previousView, currentView, nextView);
}
}
private void InitSelectedIndexChangedAction(IBaseView currentView, IBaseView nextView)
{
var filterProperty = BaseComplexView.GetFilterProperty(nextView as UIElement);
var childViewModel = nextView.ViewModel;
var headerFilter = childViewModel.HeaderFilters.First(p => p.PropertyName == filterProperty);
headerFilter.DisableChangedAction(p => { p.IsUsed = true; p.FilterValue = 0; });
currentView.ViewModel.PropertyChanged += (sender, e) =>
{
OnSelectedIndexChanged(currentView, nextView, currentView.ViewModel.SelectedValue);
};
}
protected virtual void OnSelectedIndexChanged(IBaseView currentView, IBaseView nextView, object selectedValue)
{
_logger.LogDebug("BaseComplexView OnSelectedIndexChanged {0}", currentView.GetType().Name);
var viewModel = currentView.ViewModel;
var childViewModel = nextView.ViewModel;
var filterProperty = BaseComplexView.GetFilterProperty(nextView as UIElement);
var headerFilter = childViewModel.HeaderFilters.First(p => p.PropertyName == filterProperty);
childViewModel.ParentItem = viewModel.GetSelectedItem();
if (selectedValue == null)
{
headerFilter.FilterValue = 0;
}
else
{
headerFilter.FilterValue = selectedValue;
}
}