public override bool OnMouseUp(MouseButtonEventArgs mouseButtonEventArgs, SKPoint controlPosition)
{
if (!IsRun ||
mouseButtonEventArgs.ChangedButton != MouseButton.Left ||
mouseButtonEventArgs.ButtonState != MouseButtonState.Released)
{
return(false);
}
var mapPoint = CalculatePointHelper.ToMapPoint(MapSettings, controlPosition);
var radius = CalculatePointHelper.ToMapDistance(MapSettings, SelectRadius);
var selectedObject = _selectableController.Value.FirstOrDefault();
var intersectObjects = _selectableObjects.GetElements(mapPoint, radius);
if (!intersectObjects.Any() || intersectObjects.Count == 1 && intersectObjects.First() == selectedObject)
{
_selectableController.ClearSelect();
}
else
{
var index = intersectObjects.IndexOf(selectedObject);
if (index == -1 || intersectObjects.Count == index + 1)
{
_selectableController.Select(intersectObjects.First());
}
else
{
_selectableController.Select(intersectObjects.ElementAt(index + 1));
}
}
_subOperation?.Stop();
End(controlPosition);
return(true);
}
protected override bool OnEnd(object[] args)
{
_operationLayer.RemoveDraw(DrawRect);
if (!_selectRectangle)
{
var intersectObjects = _selectableObjects
.GetElements(_currentPointMap, SelectRadiusMap);
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Shift))
{
var selectable = _selectableController.Value
.ToArray();
if (selectable.Any(v => intersectObjects.Contains(v)))
{
selectable = selectable
.Where(v => !intersectObjects.Contains(v))
.ToArray();
}
else
{
selectable = selectable
.Concat(intersectObjects.Take(1))
.Distinct()
.ToArray();
}
_selectableController.Select(selectable);
}
else
{
var selectedObject = _selectableController.Value.FirstOrDefault();
if (!intersectObjects.Any() || intersectObjects.Count == 1 && intersectObjects.First() == selectedObject)
{
_selectableController.ClearSelect();
}
else
{
var index = intersectObjects.IndexOf(selectedObject);
if (index == -1 || intersectObjects.Count == index + 1)
{
_selectableController.Select(intersectObjects.First());
}
else
{
_selectableController.Select(intersectObjects.ElementAt(index + 1));
}
}
}
}
else
{
var intersectObjects = _selectableObjects.GetElements(SelectRect());
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Shift))
{
var selectable = _selectableController.Value;
if (intersectObjects.All(v => selectable.Contains(v)))
{
selectable = selectable
.Where(v => !intersectObjects.Contains(v))
.ToArray();
}
else
{
selectable = selectable
.Concat(intersectObjects)
.Distinct()
.ToArray();
}
_selectableController.Select(selectable);
}
else
{
if (!intersectObjects.Any())
{
_selectableController.ClearSelect();
}
else
{
_selectableController.Select(intersectObjects);
}
}
}
_managerCursor.SetCursor(CursorType.Arrow);
_selectRectangle = false;
return(true);
}