private void OnExpanderDrop(object sender, DragEventArgs e)
{
StopViewModel stopVM = DataGridViewModel as StopViewModel;
if (stopVM == null)
{
return;
}
if (_dragRowIndex < 0)
{
return;
}
//Schema.Item dragStop = e.Data.GetData(typeof(Schema.Item)) as Schema.Item;
AddInsShare.Schema.Item dragStop = dgStops.Items[_dragRowIndex] as AddInsShare.Schema.Item;
if (dragStop == null)
{
return;
}
// dropped on a Group?
String routeName = GetDroppedOnGroupRouteName(e);
if (routeName != null)
{
Log.Trace("Dropped item " + _dragRowIndex + " on group " + routeName);
stopVM.CalculateRoute(dragStop, null, routeName, true, Window.GetWindow(this));
return;
}
// dropped on an Item?
int dropIndex = this.GetDataGridItemCurrentRowIndex(e.GetPosition);
if (dropIndex < 0)
{
return;
}
if (dropIndex == _dragRowIndex)
{
return;
}
Log.Trace("Dropped item " + _dragRowIndex + " on item " + dropIndex);
AddInsShare.Schema.Item dropStop = dgStops.Items[dropIndex] as AddInsShare.Schema.Item;
if (dropStop == null)
{
return;
}
// Temp workaround - use the ALT key to drop onto the group (optimize == true)
bool bOptimize = (e.KeyStates == DragDropKeyStates.AltKey);
stopVM.CalculateRoute(dragStop, dropStop, null, bOptimize, Window.GetWindow(this));
}
private void OnPreviewMouseDown(object sender, MouseButtonEventArgs e)
{
StopViewModel stopVM = DataGridViewModel as StopViewModel;
if (stopVM == null)
{
return;
}
bool bInEditMode = stopVM.InEditMode;
// Adjust the Expander Context Menu on mouse right click
if (e.RightButton == MouseButtonState.Pressed)
{
ContextMenu expanderContextMenu = (ContextMenu)FindResource("dgExpanderMenu");
if (expanderContextMenu != null && expanderContextMenu.Items != null)
{
foreach (var item in expanderContextMenu.Items)
{
MenuItem menuItem = item as MenuItem;
if (menuItem == null || menuItem.Header == null || menuItem.Header.ToString() == null)
{
continue;
}
if (menuItem.Header.ToString().Equals("Paste"))
{
if (bInEditMode && stopVM.CutStop != null)
{
menuItem.Visibility = Visibility.Visible;
}
else
{
menuItem.Visibility = Visibility.Collapsed;
}
}
}
}
return;
}
// Support Drag & Drop
if (e.LeftButton == MouseButtonState.Pressed)
{
if (!bInEditMode)
{
e.Handled = false;
return;
}
_dragRowIndex = GetDataGridItemCurrentRowIndex(e.GetPosition);
if (_dragRowIndex < 0)
{
return;
}
Log.Trace("Dragging item " + _dragRowIndex + " ...");
AddInsShare.Schema.Item selectedStop = dgStops.Items[_dragRowIndex] as AddInsShare.Schema.Item;
if (selectedStop == null)
{
return;
}
if (DragDrop.DoDragDrop(dgStops, selectedStop, DragDropEffects.Move) != DragDropEffects.None)
{
// now This Item will be dropped at a new location and so the new Selected Item
dgStops.SelectedItem = selectedStop;
}
}
}