TreeViewDataSource

public protocol TreeViewDataSource : AnyObject

Undocumented

  • If true, this signals the tree view that the item should be rendered with a UI hint that it can be expanded.

    Declaration

    Swift

    func hasSubItems(at index: TreeView.ItemIndex) -> Bool

  • Returns the total number of sub-items at a given hierarchical index.

    Declaration

    Swift

    func numberOfItems(at hierarchyIndex: TreeView.HierarchyIndex) -> Int

  • Gets the display label for the item at a given index.

    Declaration

    Swift

    func titleForItem(at index: TreeView.ItemIndex) -> AttributedText
  • iconForItem(at:) Default implementation

    Gets the optional icon for the item at a given index. If nil, the item is rendered without an icon.

    Default Implementation

    Declaration

    Swift

    func iconForItem(at index: TreeView.ItemIndex) -> Image?