Table of Contents

• Demo
• Installation
• Usage
• Options
• Todo
• License

Demo

Demo

Installation

npm install -save react-nestable-ext

yarn add react-nestable-ext

Usage

import Nestable from 'react-nestable';

// this usually goes once
// to the entry point of the whole app
// (e.g. src/index.js)
import 'react-nestable/dist/styles/index.css';

every item must have a unique id in order to distinguish elements

const items = [
  { id: 0, text: 'Andy' },
  {
    id: 1, text: 'Harry',
    children: [
      { id: 2, text: 'David' }
    ]
  },
  { id: 3, text: 'Lisa' }
];

const renderItem = ({ item }) => item.text;

const Example = () => (
  <Nestable
    items={items}
    renderItem={renderItem}
  />
)

Options

| Property | Type | Default | Description | |----------|------|---------|-------------| | className | string | undefined | Extra class name which can be passed to a root element. | | items | array | [] | Array of items. Every item must be of shape {id: @uniq}. | | threshold | number | 30 | Amount of pixels which mouse should move horizontally before increasing/decreasing level (nesting) of current element. | | maxDepth | number | 10 | Maximum available level of nesting. | | collapsed | boolean | false | Are groups collapsed by default. | | group | string or number | random string | Different group numbers may be passed if you have more than one nestable component on a page and want some extra styles for portal instances. | | handler | node | | If you pass it, it will get wrapped with drag handlers and you may use it in your render method. | | idProp | string | "id" | Optional name of property for id. | | childrenProp | string | "children" | Optional name of property for children. | | renderItem | function | ({item}) => String(item) | Function for rendering every item. Has a single parameter with keys: item - item from your array, index - number, index of the item, depth - number, depth of the item, collapseIcon - node, icon for items with children (allows you to collapse the group), handler - node, which you have passed via the same property, but wrapped with some additional events. | | renderCollapseIcon | function | () => <DefaultIcon /> | Function for rendering collapse icon. Has a single parameter with keys: isCollapsed - boolean, true if this group has children and is collapsed. | | onChange | function | () => {} | Callback which has a single parameter with keys: items - new array after position was changed, dragItem - item which has been moved, targetPath - array of numbers, those numbers are indices and they make path to a location, to where item has been moved. | | confirmChange | function | () => true | Callback which has a single parameter with keys: dragItem - item which is being dragged, destinationParent - item where dragItem is about to land (or null if moving to root). Let function return false if this movement should not happen. |

Public methods

| Method | Accepts | Description | |--------|---------|-------------| | collapse | string or array | "NONE" - expand all groups; "ALL" - collapse all groups; [] - collapse all groups with ids from given array |

License

ISC