protected override void OnPointerPressed(PointerRoutedEventArgs e)
{
base.OnPointerPressed(e);
NavigationBarItem element = VenturaVisualTreeHelper.FindParent <NavigationBarItem>(e.OriginalSource as DependencyObject);
if (element != null)
{
MenubarItem item = (MenubarItem)element.DataContext;
bool was_dropped = element.IsDroppedDown;
SetAllChildrenAsNotDropped();
if (was_dropped == false)
{
element.IsDroppedDown = true;
DisplayMenuPanel?.Invoke(this, item);
}
else
{
HideMenuPanel?.Invoke();
}
}
}
protected override void OnGotFocus(RoutedEventArgs e)
{
FrameworkElement focussed_element = e.OriginalSource as FrameworkElement;
if (focussed_element == null)
{
return;
}
//throw new Exception("should not happen");
bool focus_inside_smartpage = VenturaVisualTreeHelper.FindParent <SmartPagePresenter>(focussed_element) != null;
FormField formfield = VenturaVisualTreeHelper.FindParent <FormField>(focussed_element);
if (focus_inside_smartpage == false)
{
return;
}
if (_last_formfield != null)
{
_last_formfield.IsActive = false;
_last_formfield = null;
}
if (formfield != null)
{
formfield.IsActive = true;
_last_formfield = formfield;
}
if (focussed_element is InputBase inputcontrol)
{
string header = "";
if (formfield != null)
{
header = formfield.Header;
}
//_assistant.SetAssistantTo(header, inputcontrol.TextBox);
}
else if (focussed_element is TextBox textbox)
{
string header = "";
//if( textbox.h)
//textbox.Header
if (formfield != null)
{
header = formfield.Header;
}
//_assistant.SetAssistantTo(header, textbox);
}
}
public ValidatorItem(Expression <Func <T, object> > memberLambda, FrameworkElement control)
{
_kind = ValidatorItemKind.ViewModelProperty;
_memberLambda = memberLambda;
_property_name = LambdaHelper.GetMemberName(memberLambda.Body);
if (control is FormField)
{
_control = null;
_formfield = (FormField)control;
}
else
{
// FindParent returns null if not found.
_control = control;
_formfield = VenturaVisualTreeHelper.FindParent <FormField>(control);
}
}
//ContentPresenter _presenter;
// https://stackoverflow.com/questions/1517743/in-wpf-how-can-i-determine-whether-a-control-is-visible-to-the-user
protected override void OnApplyTemplate()
{
if (_initialized)
{
throw new System.Exception("only call once");
}
base.OnApplyTemplate();
ScrutinizeItemTemplate();
_HeaderScrollViewer = (ScrollViewer)GetTemplateChild("HeaderScrollViewer");
_HyperGridHeader = (HyperGridHeader)GetTemplateChild("HeaderControl");
_HyperGridHeader.ItemsSource = this.Header;
_MainGrid = (Grid)GetTemplateChild("MainGrid");
//_MainGrid.SizeChanged += MainGrid_SizeChanged;
_ListView = (ListView)GetTemplateChild("ListView");
// Force the ListView to load it's template, so we can get a reference to the scrollviewer.
_ListView.ApplyTemplate();
_scrollviewer = VenturaVisualTreeHelper.FindDescendant <ScrollViewer>(_ListView);;
_scrollviewer.ViewChanged += ScrollViewer_ViewChanged;
_ListView.SelectionChanged += ListView_SelectionChanged;
//_ListView.PointerPressed += ListView_PointerPressed;
_ListView.DoubleTapped += ListView_DoubleTapped;
_ListView.SelectedIndex = this.SelectedIndex;
_ListView.RegisterPropertyChangedCallback(ListView.SelectedItemProperty, new DependencyPropertyChangedCallback(ListView_SelectedItem_PropertyChanged));
//// Bind HyperGrid.SelectedIndex to _ListView.SelectedIndex etc...
//Binding b1 = new Binding { Source = this, Path = new PropertyPath("SelectedIndex"), Mode = BindingMode.TwoWay };
//Binding b2 = new Binding { Source = this, Path = new PropertyPath("SelectedItem"), Mode = BindingMode.TwoWay };
//_ListView.SetBinding(ListView.SelectedIndexProperty, b1);
//_ListView.SetBinding(ListView.SelectedItemProperty, b2);
_initialized = true;
}
// A click inside the FormField will result in the first focussable control to get focus.
private void FormField_PointerPressed(object sender, Windows.UI.Xaml.Input.PointerRoutedEventArgs e)
{
var element = _smartscaler.Content as FrameworkElement;
if (element == null)
{
return;
}
Control control = VenturaVisualTreeHelper.FindDescendant <Control>(element);
if (control == null)
{
return;
}
control.Focus(FocusState.Programmatic);
e.Handled = true;
}
private void ListView_DoubleTapped(object sender, Windows.UI.Xaml.Input.DoubleTappedRoutedEventArgs e)
{
//var aa = VenturaVisualTreeHelper.FindParent<HyperGridPanel>(e.OriginalSource as DependencyObject);
ListViewItem pressed_row = VenturaVisualTreeHelper.FindParent <ListViewItem>(e.OriginalSource as DependencyObject);
if (pressed_row == null)
{
return;
}
//var event_args = new RowDoubleClickedEventArgs
//{
// ItemIndex = -1, // pressed_row.GetIndex();
// Item = pressed_row.Content // pressed_row.DataContext;
//};
//RowDoubleClicked?.Invoke(this, event_args);
RowDoubleClick?.Invoke(this, new RoutedEventArgs());
}
public ValidatorItem(string validator_id, FrameworkElement control)
{
if (validator_id == null)
{
throw new ArgumentNullException(nameof(validator_id));
}
_kind = ValidatorItemKind.ValidatorId;
_validator_id = validator_id;
if (control is FormField)
{
_control = null;
_formfield = (FormField)control;
}
else
{
// FindParent returns null if not found.
_control = control;
_formfield = VenturaVisualTreeHelper.FindParent <FormField>(control);
}
}
