Class VertexHandle

constructor

• new VertexHandle(
      state: CellState,
      cursor?: string,
      image?: null | ImageBox,
      shape?: null | Shape,
  ): VertexHandle

  Parameters

  • state: CellState
  • cursor: string = 'default'
  • image: null | ImageBox = null
  • shape: null | Shape = null

  Returns VertexHandle

active

cursor

dependencies

graph

ignoreGrid

image

shape

state

copyStyle

• copyStyle(key: keyof CellStateStyle): void

  Sets the cell style with the given name to the corresponding value in .

  Parameters

  • key: keyof CellStateStyle

  Returns void

createShape

• createShape(_html: boolean): Shape

  Creates and returns the shape for this handle.

  Parameters

  • _html: boolean

  Returns Shape

destroy

• destroy(): void

  Destroys this handle.

  Returns void

execute

• execute(me: InternalMouseEvent): void

  Hook for subclassers to execute the handle.

  Parameters

  • me: InternalMouseEvent

  Returns void

flipPoint

• flipPoint(pt: Point): Point

  Flips the given point vertically and/or horizontally.

  Parameters

  • pt: Point

  Returns Point

getPosition

• getPosition(bounds: null | Rectangle): Point

  Hook for subclassers to return the current position of the handle.

  Parameters

  • bounds: null | Rectangle

  Returns Point

getRotation

• getRotation(): number

  Returns the rotation defined in the style of the cell.

  Returns number

getTotalRotation

• getTotalRotation(): number

  Returns the rotation from the style and the rotation from the direction of the cell.

  Returns number

init

• init(): void

  Creates and initializes the shapes required for this handle.

  Returns void

initShape

• initShape(html: boolean): void

  Initializes and sets its cursor.

  Parameters

  • html: boolean

  Returns void

isHtmlRequired

• isHtmlRequired(): boolean

  Returns true if this handle should be rendered in HTML. This returns true if the text node is in the graph container.

  Returns boolean

positionChanged

• positionChanged(): void

  Should be called after in . This repaints the state using CellRenderer.

  Returns void

processEvent

• processEvent(me: InternalMouseEvent): void

  Processes the given MouseEvent and invokes .

  Parameters

  • me: InternalMouseEvent

  Returns void

redraw

• redraw(): void

  Renders the shape for this handle.

  Returns void

reset

• reset(): void

  Resets the state of this handle by setting its visibility to true.

  Returns void

rotatePoint

• rotatePoint(pt: Point, alpha: number): Point

  Rotates the point by the given angle.

  Parameters

  • pt: Point
  • alpha: number

  Returns Point

setPosition

• setPosition(bounds: null | Rectangle, pt: Point, me: InternalMouseEvent): void

  Hooks for subclassers to update the style in the .

  Parameters

  • bounds: null | Rectangle
  • pt: Point
  • me: InternalMouseEvent

  Returns void

setVisible

• setVisible(visible: boolean): void

  Shows or hides this handle.

  Parameters

  • visible: boolean

  Returns void

snapPoint

• snapPoint(pt: Point, ignore: boolean): Point

  Snaps the given point to the grid if ignore is false. This modifies the given point in-place and also returns it.

  Parameters

  • pt: Point
  • ignore: boolean

  Returns Point