Class TreeSelectionState

Protected Readonlytree

ProtectedcheckNoDefaultSelection

• checkNoDefaultSelection<T extends TreeSelection>(
      selections: readonly T[],
  ): readonly T[]

  Checks whether the argument contains any DEFAULT tree selection type. If yes, throws an error, otherwise returns with a reference the argument.

  Type Parameters

  • T extends TreeSelection

  Parameters

  • selections: readonly T[]

  Returns readonly T[]

ProtectedhandleDefault

• handleDefault(
      state: TreeSelectionState,
      node: Readonly<SelectableTreeNode>,
  ): TreeSelectionState

  Parameters

  • state: TreeSelectionState
  • node: Readonly<SelectableTreeNode>

  Returns TreeSelectionState

ProtectedhandleRange

• handleRange(
      state: TreeSelectionState,
      node: Readonly<SelectableTreeNode>,
  ): TreeSelectionState

  Parameters

  • state: TreeSelectionState
  • node: Readonly<SelectableTreeNode>

  Returns TreeSelectionState

ProtectedhandleToggle

• handleToggle(
      state: TreeSelectionState,
      node: Readonly<SelectableTreeNode>,
  ): TreeSelectionState

  Parameters

  • state: TreeSelectionState
  • node: Readonly<SelectableTreeNode>

  Returns TreeSelectionState

ProtectedselectionRange

• selectionRange(
      selection: FocusableTreeSelection,
  ): Readonly<SelectableTreeNode>[]

  Returns with an array of items representing the selection range. The from node is the focus the to node is the selected node itself on the tree selection. Both the from node and the to node are inclusive.

  Parameters

  • selection: FocusableTreeSelection

  Returns Readonly<SelectableTreeNode>[]

ProtectedtoSelectableTreeNode

• toSelectableTreeNode(node: undefined | TreeNode): undefined | SelectableTreeNode

  Parameters

  • node: undefined | TreeNode

  Returns undefined | SelectableTreeNode