TreeSelect

Example

import 'package:flutter_vant_kit/main.dart';

List<SideBarItem> list = [
  SideBarItem(
    title: "Zhe Jiang",
    children: [
      TreeItem(text: "Han Zhou", id: 1),
      TreeItem(text: "Wen Zhou", id: 2),
      TreeItem(text: "Ning Bo", id: 3, disabled: true),
      TreeItem(text: "Yi Wu", id: 4),
    ]
  ),
  ...
];

TreeSelect(
  activeId: [1],
  list: list,
)

More examples please refer Demo

API

TreeSelect

Attribute	Description	Type	Default
list	All options	List<SideBarItem>	-
mainActiveIndex	The index of selected parent node	int	0
activeId	Id of selected item	List<int>	-
height	Height	double	300.0
max	Maximum number of selected items	int	1
onChange	Triggered when the selected value on the left changes	Function(List<int> list)	-

TreeItem

Attribute	Description	Type	Default
text	Right option name	String	-
id	Right option id	int	-
disabled	Whether to disable the item	bool	false