TreeView<TypeID extends Object, TypeData> constructor

const TreeView<TypeID extends Object, TypeData>({
  1. Key? key,
  2. required TreeController<TypeID, TypeData> controller,
  3. required TreeItemBuilder<TypeID, TypeData> builder,
  4. WidgetBuilder? emptyBuilder,
  5. double left = 20,
})

Implementation

const TreeView({
  Key? key,
  required this.controller,
  required this.builder,
  this.emptyBuilder,
  this.left = 20,
})  : assert(left >= 0),
      super(key: key);