internal List <Rect> GetNotSelectedElementRectsInView()
{
List <Rect> notSelectedElementRects = new List <Rect>();
List <GraphElement> ignoreElements = new List <GraphElement>();
// If dragging a group we need to find all elements inside and disregard them
// For Groups they derive from Scope in which have containedElements.
// If we are dragging around a node that are inside a Group,
// the groups border might adjust and we don't want to snap to that.
// We also check if there are any GraphElement children of the selected graphelement
// And add them to the ignore list.
foreach (GraphElement ge in m_GraphView.selection.OfType <GraphElement>())
{
if (ge is Group)
{
Group group = ge as Group;
var grpElements = group.containedElements;
foreach (GraphElement element in grpElements)
{
ignoreElements.AddRange(element.Query <GraphElement>("", "graphElement").ToList());
}
}
else if (ge.GetContainingScope() != null)
{
ignoreElements.Add(ge.GetContainingScope());
}
else
{
ignoreElements.Add(ge);
}
ignoreElements.AddRange(ge.Query <GraphElement>("", "graphElement").ToList());
}
// Consider only the visible nodes.
Rect rectToFit = m_GraphView.layout;
// a copy is necessary because Add To selection might cause a SendElementToFront which will change the order.
List <ISelectable> checkOnlyInViewElements = new List <ISelectable>();
foreach (GraphElement element in m_GraphView.graphElements.ToList())
{
var localSelRect = m_GraphView.ChangeCoordinatesTo(element, rectToFit);
if (element.Overlaps(localSelRect))
{
checkOnlyInViewElements.Add(element);
}
}
foreach (GraphElement element in checkOnlyInViewElements)
{
if (!element.IsSelected(m_GraphView) && (element.capabilities & Capabilities.Snappable) != 0 && !(ignoreElements.Contains(element)))
{
Rect geomtryInContentViewContainerSpace = element.parent.ChangeCoordinatesTo(m_GraphView.contentViewContainer, element.GetPosition());
notSelectedElementRects.Add(geomtryInContentViewContainerSpace);
}
}
return(notSelectedElementRects);
}
public void OnMouseDown(MouseDownEvent e)
{
if (m_Active)
{
e.StopImmediatePropagation();
}
else if (e.button != 1 && CanStartManipulation(e))
{
GraphView graphView = target as GraphView;
if (graphView != null)
{
m_Start = graphView.ChangeCoordinatesTo(graphView.contentViewContainer, e.localMousePosition);
m_Active = true;
target.CaptureMouse();
e.StopImmediatePropagation();
}
}
}
private void UpdateConnection(MouseMoveEvent e)
{
if (Connection == null)
{
return;
}
_panDiff = GetEffectivePanSpeed(GraphView.ChangeCoordinatesTo(GraphView.contentContainer, e.localMousePosition));
if (_panDiff != Vector3.zero)
{
_panSchedule.Resume();
}
else
{
_panSchedule.Pause();
}
_localMousePosition = e.localMousePosition;
UpdateConnectionVisual(e.localMousePosition);
}
public void OnMouseMove(MouseMoveEvent e)
{
if (m_Active)
{
GraphView graphView = target as GraphView;
if (graphView != null)
{
Vector2 v = graphView.ChangeCoordinatesTo(graphView.contentViewContainer, e.localMousePosition) - m_Start;
Vector3 scale = graphView.contentViewContainer.transform.scale;
graphView.viewTransform.position += Vector3.Scale(v, scale);
e.StopPropagation();
}
}
else
{
bool flag = e.button == 1 && CanStartManipulation(e);
#if UNITY_2019_3_OR_NEWER
if (!flag)
{
flag = e.pressedButtons == 2;
}
#endif
if (flag)
{
GraphView graphView = target as GraphView;
if (graphView != null)
{
m_Start = graphView.ChangeCoordinatesTo(graphView.contentViewContainer, e.localMousePosition);
m_Active = true;
_rightClickPressed = true;
target.CaptureMouse();
e.StopImmediatePropagation();
return;
}
}
}
}
private void Pan(TimerState ts)
{
GraphView.viewTransform.position -= _panDiff;
UpdateConnectionVisual(GraphView.ChangeCoordinatesTo(GraphView.contentContainer, _localMousePosition));
}
