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React Virtualized Select

Getting started

Install react-virtualized-hierarchy-select using npm.

npm install react-virtualized-hierarchy-select --save

React Virtualized HierarchySelect Props

| Name | Type | Description | | ------------- | -------------------------------------------- | ---------------------------------------------------------- | | data | Array:[{id:x,name:x,children:[id:x,name:x]}] | tree data | | dataMap | Object:{x:{id:'x',name:'x'}} | tree map data using the example recursive function | | onlyCheckLeaf | Boolean | onlyCheckLeaf ? only use children Key : use parentNode key | | checkedKeys | Array: [id,id] | checked treeNode key | | onChange | (checkedKeys) => void | onChange event |

Example

import React from "react";
import VirtualizedHierarchySelect from "react-virtualized-hierarchy-select";
import "react-virtualized-hierarchy-select/dist/index.css";

const data = [
  {
    id: 1,
    name: 1,
    children: [
      {
        id: 11,
        name: 11,
        children: [
          {
            id: 111,
            name: 111,
            children: [
              {
                id: 1111,
                name: 1111,
              },
              {
                id: 1112,
                name: 1112,
              },
            ],
          },
        ],
      },
      {
        id: 112,
        name: 112,
        children: [
          {
            id: 1121,
            name: 1121,
            children: [
              {
                id: 11211,
                name: 11211,
              },
            ],
          },
        ],
      },
    ],
  },
  {
    id: 2,
    name: 2,
    children: [
      { id: 22, name: 22 },
      { id: 222, name: 222 },
    ],
  },
];

/**
 * 递归生成{id:obj} map集合
 * @param {Array<Object>} list 数组 []
 * @param {string} childrenkey 子类key 默认"children"
 * @param {string} keyAlias id key 默认"id"
 * @returns {object} id:object键值映射
 **/
export const recursive = (
  list = [],
  childrenkey = "children",
  keyAlias = "id"
) => {
  const map = {};
  const fn = (list) => {
    if (list.length > 0) {
      list.map((item) => {
        map[item[keyAlias]] = item;
        if (item[childrenkey] && item[childrenkey].length > 0) {
          fn(item[childrenkey]);
        }
      });
    }
  };
  fn(list);
  return map;
};

const map = recursive(data)

export default class App extends React.Component {
  state = {
    checkedKeys: []
  };

  render() {
    const { checkedKeys } = this.state;

    return (
      <VirtualizedHierarchySelect
        title="测试分类"
        data={data}
        dataMap={map}
        checkedKeys={this.state.checkedKeys}
        onChange={(e) => this.setState({ checkedKeys: e })}
      />
    );
  }
}

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