react-nav-tree-dnd
v2.0.5
Published
Drag & drop hierarchical list made as a react component
Downloads
5
Maintainers
Readme
Table of Contents
Installation
npm install -save react-nav-tree-dnd
Usage
import Nestable from 'react-nav-tree-dnd';
// this usually goes once
// to the entry point of the whole app
// (e.g. src/index.js)
import 'react-nav-tree-dnd/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 |
Todo
- add touch
- cover with tests
PS: Please, make an issue or create a PR if you need any more functionality.
License
ISC