/// <summary>
/// Make postponed call bring item into view, if item was add to selection by click in mapview or timeview.
/// </summary>
/// <param name="args">Collection changed args.</param>
private void _CallBringItemIntoViewIfNeeded(NotifyMultiCollectionChangedEventArgs args)
{
Debug.Assert(_optimizeAndEditPage != null);
Debug.Assert(_mapView != null);
Debug.Assert(_timeView != null);
Debug.Assert(args != null);
if (!_postponedBringItemIntoViewInvoked && args.EventArgs.Action == NotifyCollectionChangedAction.Add &&
(args.Initiator == _mapView.SelectedItems || args.Initiator == _timeView.SelectedItems))
{
_optimizeAndEditPage.Dispatcher.BeginInvoke(new BringToViewDelegate(_BringItemIntoView),
DispatcherPriority.Input, args.EventArgs.NewItems[0]);
_postponedBringItemIntoViewInvoked = true;
}
}
/// <summary>
/// React on changes in multicollection binding.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Multi collection changed event args.</param>
private void _CollectionBindingNotifyMultiCollectionChanged(object sender, NotifyMultiCollectionChangedEventArgs e)
{
IList initiator = e.Initiator;
DataGridControlEx initiatorGrid = null;
if (initiator == _routesView.RoutesGrid.SelectedItems)
{
initiatorGrid = _routesView.RoutesGrid;
}
else if (initiator == _ordersView.OrdersGrid.SelectedItems)
{
initiatorGrid = _ordersView.OrdersGrid;
}
// Check that need to clear selection - if initiator is selected items of datagridcontrol and item was add.
if ((e.EventArgs.Action == NotifyCollectionChangedAction.Add || e.EventArgs.Action == NotifyCollectionChangedAction.Replace) &&
initiatorGrid != null && initiatorGrid.SelectedItemsFromAllContexts.Count > 0)
{
object firstSelectedItem = e.EventArgs.NewItems[0];
// In case of shift or control adding element need to check type of new element.
// if type of new element can't be selected with old selected.
bool needToClearCollections = true;
if (Keyboard.Modifiers == ModifierKeys.Control || Keyboard.Modifiers == ModifierKeys.Shift)
{
needToClearCollections = !_CanSelect(firstSelectedItem);
}
if (needToClearCollections && !_postponedSelectionClearInvoked)
{
_optimizeAndEditPage.Dispatcher.BeginInvoke(new DelegateWithItemParam(_PostponedClearingInvoked),
DispatcherPriority.Send, firstSelectedItem);
_postponedSelectionClearInvoked = true;
}
}
_CallBringItemIntoViewIfNeeded(e);
if (NotifyMultiCollectionChanged != null)
{
NotifyMultiCollectionChanged(sender, e);
}
}
/// <summary>
/// React on changes in multi collection binding.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Collection changed event args.</param>
private void _SelectionManagerNotifyMultiCollectionChanged(object sender, NotifyMultiCollectionChangedEventArgs e)
{
if (e.Initiator == RoutesGrid.SelectedItems)
return;
// If collection reset - reset also selected items in all child contexts.
if (e.EventArgs.Action == NotifyCollectionChangedAction.Reset)
{
IEnumerable<DataGridContext> childContexts = RoutesGrid.GetChildContexts();
foreach (DataGridContext dataGridContext in childContexts)
dataGridContext.SelectedItems.Clear();
}
else if (e.EventArgs.NewItems != null && e.EventArgs.NewItems.Count > 0)
{
// If stop added - bring it to view.
Stop stopToBringIntoView = null;
foreach (object obj in e.EventArgs.NewItems)
{
Stop stop = obj as Stop;
if (stop != null)
{
_AddStopToSelection(stop);
if (stopToBringIntoView == null)
stopToBringIntoView = stop; // store first
}
}
if (stopToBringIntoView != null)
{
RoutesGrid.BringItemIntoView(stopToBringIntoView);
}
}
}
/// <summary>
/// React on changes in multicollection binding.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Multi collection changed event args.</param>
private void _CollectionBindingNotifyMultiCollectionChanged(object sender, NotifyMultiCollectionChangedEventArgs e)
{
IList initiator = e.Initiator;
DataGridControlEx initiatorGrid = null;
if (initiator == _routesView.RoutesGrid.SelectedItems)
{
initiatorGrid = _routesView.RoutesGrid;
}
else if (initiator == _ordersView.OrdersGrid.SelectedItems)
{
initiatorGrid = _ordersView.OrdersGrid;
}
// Check that need to clear selection - if initiator is selected items of datagridcontrol and item was add.
if ((e.EventArgs.Action == NotifyCollectionChangedAction.Add || e.EventArgs.Action == NotifyCollectionChangedAction.Replace) &&
initiatorGrid != null && initiatorGrid.SelectedItemsFromAllContexts.Count > 0)
{
object firstSelectedItem = e.EventArgs.NewItems[0];
// In case of shift or control adding element need to check type of new element.
// if type of new element can't be selected with old selected.
bool needToClearCollections = true;
if (Keyboard.Modifiers == ModifierKeys.Control || Keyboard.Modifiers == ModifierKeys.Shift)
needToClearCollections = !_CanSelect(firstSelectedItem);
if (needToClearCollections && !_postponedSelectionClearInvoked)
{
_optimizeAndEditPage.Dispatcher.BeginInvoke(new DelegateWithItemParam(_PostponedClearingInvoked),
DispatcherPriority.Send, firstSelectedItem);
_postponedSelectionClearInvoked = true;
}
}
_CallBringItemIntoViewIfNeeded(e);
if (NotifyMultiCollectionChanged != null)
NotifyMultiCollectionChanged(sender, e);
}
/// <summary>
/// Make postponed call bring item into view, if item was add to selection by click in mapview or timeview.
/// </summary>
/// <param name="args">Collection changed args.</param>
private void _CallBringItemIntoViewIfNeeded(NotifyMultiCollectionChangedEventArgs args)
{
Debug.Assert(_optimizeAndEditPage != null);
Debug.Assert(_mapView != null);
Debug.Assert(_timeView != null);
Debug.Assert(args != null);
if (!_postponedBringItemIntoViewInvoked && args.EventArgs.Action == NotifyCollectionChangedAction.Add &&
(args.Initiator == _mapView.SelectedItems || args.Initiator == _timeView.SelectedItems))
{
_optimizeAndEditPage.Dispatcher.BeginInvoke(new BringToViewDelegate(_BringItemIntoView),
DispatcherPriority.Input, args.EventArgs.NewItems[0]);
_postponedBringItemIntoViewInvoked = true;
}
}
