DiagramMediator

open class DiagramMediator

Class that updates diagram items.

  • The DiagramItem-s that were modified.

    Declaration

    Swift

    open var items:[DiagramItem]

  • The AdjustmentHandle that is dragged by the user.

    Declaration

    Swift

    open var handle:AdjustmentHandle?

  • Initializes a new instance of the DiagramMediator class.

    Returns

    The newly created DiagramMediator object.

    Declaration

    Swift

    public init(handle:AdjustmentHandle?)

    Return Value

    The newly created DiagramMediator object.

  • Notifies the DiagramMediator that node bounds have changed.

    Parameter

    Parameter node: The DiagramNode that was modified.

    Parameter

    Parameter oldBounds: The bounding rectangle of the node before it was modified.

    Declaration

    Swift

    open func onNodeModified (_ node: DiagramNode, oldBounds: Rect)

    Parameters

    node

    The DiagramNode that was modified.
    oldBounds

    The bounding rectangle of the node before it was modified.

  • Notifies the DiagramMediator that link points have changed.

    Parameter

    Parameter link: The DiagramNode that was modified.

    Parameter

    Parameter oldOrigin: The origin point of the link before it was modified.

    Parameter

    Parameter oldDestination: The destination point of the link before it was modified.

    Declaration

    Swift

    open func onLinkModified (_ link: DiagramLink, oldOrigin: Point, oldDestination: Point)

    Parameters

    link

    The DiagramNode that was modified.
    oldOrigin

    The origin point of the link before it was modified.
    oldDestination

    The destination point of the link before it was modified.

  • Clears all items.

    Declaration

    Swift

    open func clear()

  • Updates all dependencies between links and nodes.

    Declaration

    Swift

    open func updateDependencies()

  • Registers the specified item as being modified.

    Parameter

    Parameter item: The DiagramItem that was modified.

    Declaration

    Swift

    open func registerProcessedItem(_ item:DiagramItem)

    Parameters

    item

    The DiagramItem that was modified.