Class DataController<T>

constructor

• new DataController<T>(): DataController<T>

  Type Parameters

  • T

  Returns DataController<T>

selection

clone

• clone(_objects: T[]): Promise<T[]>

  Clone objects and return an array with references to the clones Standard behaviour: use Object.create to clone the objects

  Parameters

  • _objects: T[]

  Returns Promise<T[]>

copy

• copy(_focus: T, _operation: ClipOperation): T[]

  Refer items to the clipboard for copy & paste

  Parameters

  • _focus: T

    The item has the focus and that will be copied if the selection is empty, otherwise the current selection is referred

  • _operation: ClipOperation

  Returns T[]

cut

• cut(_focus: T, _operation: ClipOperation): Promise<T[]>

  Refer objects to the clipboard for copy & paste and delete them from this controller

  Parameters

  • _focus: T

    The item that has the focus and that will be cut if the selection is empty, otherwise the whole selection gets referred and deleted

  • _operation: ClipOperation

  Returns Promise<T[]>

delete

• delete(_expendables: T[]): Promise<T[]>

  Remove the objects to be deleted, e.g. the current selection, from the data structure the table refers to and return a list of those objects in order for the according TableItems to be deleted also

  Parameters

  • _expendables: T[]

    The expendable objects

  Returns Promise<T[]>

dragOver

• dragOver(_event: DragEvent): DROPEFFECT

  Return allowed dragDrop-effect
  Standard behaviour: check the ctrlKey for "copy" and shiftKey for "link", otherwise return "move"

  Parameters

  • _event: DragEvent

  Returns DROPEFFECT

dragStart

• dragStart(_focus: T): void

  Refer objects to the clipboard for drag & drop

  Parameters

  • _focus: T

    The item that has the focus and that will be dragged if the selection is empty, otherwise the current selection is referred

  Returns void

drop

• drop(_event: DragEvent): Promise<T[]>

  Retrieve objects from the clipboard, process and return them to add to the tree. Standard behaviour: if {@link: dragOver} yields "copy", return an array of clones of the objects in, otherwise the content of the dragDrop-clipboard.

  Parameters

  • _event: DragEvent

  Returns Promise<T[]>

paste

• paste(): Promise<T[]>

  Retrieve objects from the clipboard, process and return them to add to the table
  Standard behaviour: if the copyPaste clipboard was filled using copy, return an array of clones, otherwise the content of the clipboard

  Returns Promise<T[]>