/// <summary>
/// Handles sending the motion data to the selected nodes
/// </summary>
private void HandleMouseMove()
{
IEnumerable <Node> selectedNodes = NodeEditor.GetSelectedNodes();
int used = 0;
int count = 0;
Vector2 zoomedDrag = NodeEditor.ApplyZoomToVector(Event.current.delta);
foreach (Node node in selectedNodes)
{
if (node.HandleDrag(zoomedDrag))
{
used++;
}
count++;
}
if (used > 0)
{
NodeEditor.FlagRepaint();
Event.current.Use();
}
else if (count == 0)
{
Deactivate();
}
}
/// <summary>
/// Fired after the node editor events
/// </summary>
public override void AfterEditorEvents()
{
CheckActivation();
if (!IsActivated)
{
return;
}
if (!Event.current.IsLeftClickEvent())
{
return;
}
if (Event.current.modifiers != EventModifiers.None)
{
return;
}
Node clickedNode = NodeEditor.GetNodeUnderMouse();
Connector clickedConnector = NodeEditor.GetNodeConnectorUnderMouse();
if (clickedNode == null && clickedConnector == null)
{
NodeEditor.UnselectAll();
NodeEditor.RaiseSelectionChanged();
NodeEditor.FlagRepaint();
}
}
/// <summary>
/// Checks for a destination node to attach the active connections to
/// </summary>
public override void BeforeEditorEvents()
{
if (!IsActivated)
{
return;
}
if (Event.current.IsRightClickEvent())
{
Cancel();
return;
}
NodeEditor.FlagRepaint();
if (!Event.current.IsLeftClickEvent())
{
return;
}
Node selectedNode = NodeEditor.GetNodeUnderMouse();
if (!IsNodeValid(selectedNode))
{
return;
}
for (int i = 0; i < newConnections.Count; i++)
{
Connector connector = newConnections[i];
if (!IsConnectionValid(connector.GetStartNode(), selectedNode))
{
NodeEditor.RemoveConnector(connector);
newConnections.RemoveAt(i);
continue;
}
connector.RemoveNode(NodeEditor.MouseNode);
connector.AddNode(selectedNode);
}
if (newConnections.Count > 0)
{
RaiseOnConnectionsFinalized(newConnections);
}
Deactivate();
}
/// <summary>
/// Checks for node selection before the editor processes the
/// left-clicks
/// </summary>
public override void BeforeEditorEvents()
{
CheckActivation();
if (!IsActivated)
{
return;
}
if (Event.current.type != EventType.MouseDown ||
Event.current.button != 0)
{
return;
}
bool multiSelectActive = Event.current.modifiers == EventModifiers.Control ||
Event.current.modifiers == EventModifiers.Shift;
Node clickedNode = NodeEditor.GetNodeUnderMouse();
if (clickedNode == null)
{
return;
}
if (!clickedNode.IsSelectable)
{
return;
}
bool isNodeSelected = clickedNode.IsSelected();
if (!multiSelectActive)
{
if (!isNodeSelected)
{
NodeEditor.UnselectAll();
clickedNode.Select();
}
}
else
{
clickedNode.ToggleSelected();
}
NodeEditor.RaiseSelectionChanged();
NodeEditor.FlagRepaint();
Event.current.Use();
}
public override void BeforeEditorEvents()
{
CheckActivation();
if (!IsActivated)
{
return;
}
if (!Event.current.IsLeftClickEvent())
{
return;
}
bool multiSelectActive = Event.current.modifiers == EventModifiers.Control ||
Event.current.modifiers == EventModifiers.Shift;
Connector clickedConnector = NodeEditor.GetNodeConnectorUnderMouse();
if (clickedConnector == null)
{
return;
}
if (!clickedConnector.IsSelectable)
{
return;
}
bool isSelected = clickedConnector.IsSelected();
if (!multiSelectActive)
{
if (!isSelected)
{
NodeEditor.UnselectAll();
clickedConnector.Select();
}
}
else
{
clickedConnector.ToggleSelected();
}
NodeEditor.RaiseSelectionChanged();
NodeEditor.FlagRepaint();
Event.current.Use();
}
/// <summary>
/// Configures the rectangle used for selection
/// </summary>
public override void AfterEditorEvents()
{
CheckActivation();
if (!IsActivated)
{
return;
}
if (Event.current.button != 0)
{
Cancel();
Event.current.Use();
return;
}
if (Event.current.type == EventType.MouseDrag)
{
Vector2 startPoint = NodeEditor.ApplyZoomToVector(dragStartPos);
Vector2 endPoint = NodeEditor.GetZoomedMousePosition();
selectionRect = RectExtensions.FromPoints(startPoint, endPoint);
NodeEditor.FlagRepaint();
Event.current.Use();
}
else if (Event.current.type == EventType.MouseUp)
{
SelectNodes();
SelectConnectors();
NodeEditor.RaiseSelectionChanged();
selectionRect = Rect.zero;
Deactivate();
Event.current.Use();
}
else if (Event.current.type == EventType.MouseLeaveWindow)
{
Cancel();
}
}
