Class SystemEdgeDragHelper<TEdge>

SystemEdgeDragHelper handles dragging of edges in the graph. Implements the EdgeDragHelper

Inheritance
Object
EdgeDragHelper
SystemEdgeDragHelper<TEdge>
Namespace: Mechatronics.SystemGraph
Syntax
public class SystemEdgeDragHelper<TEdge> : EdgeDragHelper where TEdge : SystemEdge, new()
Type Parameters
Name Description
TEdge

The type of the t edge.

Constructors

SystemEdgeDragHelper(IEdgeConnectorListener)

Initializes a new instance of the SystemEdgeDragHelper<TEdge> class.

Declaration
public SystemEdgeDragHelper(IEdgeConnectorListener listener)
Parameters
Type Name Description
IEdgeConnectorListener listener

The listener event.

Fields

Disable

Represents if this edge is disabled

Declaration
public bool Disable
Field Value
Type Description
Boolean

m_CompatiblePorts

The compatible ports

Declaration
protected List<Port> m_CompatiblePorts
Field Value
Type Description
List<Port>

m_GraphView

The graph view

Declaration
protected GraphView m_GraphView
Field Value
Type Description
GraphView

m_Listener

The listener of connection

Declaration
protected readonly IEdgeConnectorListener m_Listener
Field Value
Type Description
IEdgeConnectorListener

s_nodeAdapter

The node adapter

Declaration
protected static NodeAdapter s_nodeAdapter
Field Value
Type Description
UnityEditor.Experimental.GraphView.NodeAdapter

Properties

draggedPort

The port the edge is being dragged from.

Declaration
public override Port draggedPort { get; set; }
Property Value
Type Description
Port

The dragged port.
Overrides

edgeCandidate

The edge being dragged.

Declaration
public override Edge edgeCandidate { get; set; }
Property Value
Type Description
Edge

The edge candidate.
Overrides

GraphView

Sets the graph view.

Declaration
public GraphView GraphView { set; }
Property Value
Type Description
GraphView

The graph view.

resetPositionOnPan

Gets or sets a value indicating whether [reset position on pan].

Declaration
public bool resetPositionOnPan { get; set; }
Property Value
Type Description
Boolean

true if [reset position on pan]; otherwise, false.

Methods

HandleMouseDown(MouseDownEvent)

Handle mouse down event.

Declaration
public override bool HandleMouseDown(MouseDownEvent evt)
Parameters
Type Name Description
MouseDownEvent evt

The event.
Returns
Type Description
Boolean

True if the drag has been started. False otherwise.
Overrides

HandleMouseMove(MouseMoveEvent)

Handle mouse move event.

Declaration
public override void HandleMouseMove(MouseMoveEvent evt)
Parameters
Type Name Description
MouseMoveEvent evt

The event.
Overrides

HandleMouseUp(MouseUpEvent)

Handle mouse up event.

Declaration
public override void HandleMouseUp(MouseUpEvent evt)
Parameters
Type Name Description
MouseUpEvent evt

The event.
Overrides

Reset(Boolean)

Reset the state of the drag helper.

Declaration
public override void Reset(bool didConnect = false)
Parameters
Type Name Description
Boolean didConnect

Whether the connection was successful or not. View will not reset in this case.
Overrides

See Also