React-Grid-Layout

React-Grid-Layout is a grid layout system much like Packery or Gridster, for React.

Unlike those systems, it is responsive and supports breakpoints. Breakpoint layouts can be provided by the user or autogenerated.

RGL is React-only and does not require jQuery.

GIF from production usage on BitMEX.com

[Demo | Changelog | CodeSandbox Editable demo]

Demos

Projects Using React-Grid-Layout

Know of others? Create a PR to let me know!

Features

100% React - no jQuery
Compatible with server-rendered apps
Draggable widgets
Resizable widgets
Static widgets
Configurable packing: horizontal, vertical, or off
Bounds checking for dragging and resizing
Widgets may be added or removed without rebuilding grid
Layout can be serialized and restored
Responsive breakpoints
Separate layouts per responsive breakpoint
Grid Items placed using CSS Transforms
- Performance with CSS Transforms: on / off, note paint (green) as % of time

Version	Compatibility
>= 0.17.0	React 0.16
>= 0.11.3	React 0.14 & v15
>= 0.10.0	React 0.14
0.8. - 0.9.2	React 0.13
< 0.8	React 0.12

Installation

Install the React-Grid-Layout package package using npm:

npm install react-grid-layout

Include the following stylesheets in your application:

/node_modules/react-grid-layout/css/styles.css
/node_modules/react-resizable/css/styles.css

Usage

Use ReactGridLayout like any other component. The following example below will produce a grid with three items where:

users will not be able to drag or resize item a
item b will be restricted to a minimum width of 2 grid blocks and a maximum width of 4 grid blocks
users will be able to freely drag and resize item c

import GridLayout from 'react-grid-layout';

class MyFirstGrid extends React.Component {
  render() {
    // layout is an array of objects, see the demo for more complete usage
    const layout = [
      {i: 'a', x: 0, y: 0, w: 1, h: 2, static: true},
      {i: 'b', x: 1, y: 0, w: 3, h: 2, minW: 2, maxW: 4},
      {i: 'c', x: 4, y: 0, w: 1, h: 2}
    ];
    return (
      <GridLayout className="layout" layout={layout} cols={12} rowHeight={30} width={1200}>
        <div key="a">a</div>
        <div key="b">b</div>
        <div key="c">c</div>
      </GridLayout>
    )
  }
}

You may also choose to set layout properties directly on the children:

import GridLayout from 'react-grid-layout';

class MyFirstGrid extends React.Component {
  render() {
    return (
      <GridLayout className="layout" cols={12} rowHeight={30} width={1200}>
        <div key="a" data-grid={{x: 0, y: 0, w: 1, h: 2, static: true}}>a</div>
        <div key="b" data-grid={{x: 1, y: 0, w: 3, h: 2, minW: 2, maxW: 4}}>b</div>
        <div key="c" data-grid={{x: 4, y: 0, w: 1, h: 2}}>c</div>
      </GridLayout>
    )
  }
}

Usage without Browserify/Webpack

A module usable in a <script> tag is included here. It uses a UMD shim and excludes React, so it must be otherwise available in your application, either via RequireJS or on window.React.

Responsive Usage

To make RGL responsive, use the <ResponsiveReactGridLayout> element:

import { Responsive as ResponsiveGridLayout } from 'react-grid-layout';

class MyResponsiveGrid extends React.Component {
  render() {
    // {lg: layout1, md: layout2, ...}
    const layouts = getLayoutsFromSomewhere();
    return (
      <ResponsiveGridLayout className="layout" layouts={layouts}
        breakpoints={{lg: 1200, md: 996, sm: 768, xs: 480, xxs: 0}}
        cols={{lg: 12, md: 10, sm: 6, xs: 4, xxs: 2}}>
        <div key="1">1</div>
        <div key="2">2</div>
        <div key="3">3</div>
      </ResponsiveGridLayout>
    )
  }
}

When in responsive mode, you should supply at least one breakpoint via the layouts property.

When using layouts, it is best to supply as many breakpoints as possible, especially the largest one. If the largest is provided, RGL will attempt to interpolate the rest.

You will also need to provide a width, when using <ResponsiveReactGridLayout> it is suggested you use the HOC WidthProvider as per the instructions below.

It is possible to supply default mappings via the data-grid property on individual items, so that they would be taken into account within layout interpolation.

Providing Grid Width

Both <ResponsiveReactGridLayout> and <ReactGridLayout> take width to calculate positions on drag events. In simple cases a HOC WidthProvider can be used to automatically determine width upon initialization and window resize events.

import { Responsive, WidthProvider } from 'react-grid-layout';

const ResponsiveGridLayout = WidthProvider(Responsive);

class MyResponsiveGrid extends React.Component {
  render() {
    // {lg: layout1, md: layout2, ...}
    var layouts = getLayoutsFromSomewhere();
    return (
      <ResponsiveGridLayout className="layout" layouts={layouts}
        breakpoints={{lg: 1200, md: 996, sm: 768, xs: 480, xxs: 0}}
        cols={{lg: 12, md: 10, sm: 6, xs: 4, xxs: 2}}>
        <div key="1">1</div>
        <div key="2">2</div>
        <div key="3">3</div>
      </ResponsiveGridLayout>
    )
  }
}

This allows you to easily replace WidthProvider with your own Provider HOC if you need more sophisticated logic.

WidthProvider accepts a single prop, measureBeforeMount. If true, WidthProvider will measure the container's width before mounting children. Use this if you'd like to completely eliminate any resizing animation on application/component mount.

Have a more complicated layout? WidthProvider is very simple and only listens to window 'resize' events. If you need more power and flexibility, try the SizeMe React HOC as an alternative to WidthProvider.

Grid Layout Props

RGL supports the following properties (see the source for the final word on this):

//
// Basic props
//

// This allows setting the initial width on the server side.
// This is required unless using the HOC <WidthProvider> or similar
width: number,

// If true, the container height swells and contracts to fit contents
autoSize: ?boolean = true,

// Number of columns in this layout.
cols: ?number = 12,

// A CSS selector for tags that will not be draggable.
// For example: draggableCancel:'.MyNonDraggableAreaClassName'
// If you forget the leading . it will not work.
draggableCancel: ?string = '',

// A CSS selector for tags that will act as the draggable handle.
// For example: draggableHandle:'.MyDragHandleClassName'
// If you forget the leading . it will not work.
draggableHandle: ?string = '',

// If true, the layout will compact vertically
verticalCompact: ?boolean = true,

// Compaction type.
compactType: ?('vertical' | 'horizontal') = 'vertical';

// Layout is an array of object with the format:
// {x: number, y: number, w: number, h: number}
// The index into the layout must match the key used on each item component.
// If you choose to use custom keys, you can specify that key in the layout
// array objects like so:
// {i: string, x: number, y: number, w: number, h: number}
layout: ?array = null, // If not provided, use data-grid props on children

// Margin between items [x, y] in px.
margin: ?[number, number] = [10, 10],

// Padding inside the container [x, y] in px
containerPadding: ?[number, number] = margin,

// Rows have a static height, but you can change this based on breakpoints
// if you like.
rowHeight: ?number = 150,

// Configuration of a dropping element. Dropping element is a "virtual" element
// which appears when you drag over some element from outside.
// It can be changed by passing specific parameters:
//  i - id of an element
//  w - width of an element
//  h - height of an element
droppingItem?: { i: string, w: number, h: number }

//
// Flags
//
isDraggable: ?boolean = true,
isResizable: ?boolean = true,
isBounded: ?boolean = false,
// Uses CSS3 translate() instead of position top/left.
// This makes about 6x faster paint performance
useCSSTransforms: ?boolean = true,
// If parent DOM node of ResponsiveReactGridLayout or ReactGridLayout has "transform: scale(n)" css property,
// we should set scale coefficient to avoid render artefacts while dragging.
transformScale: ?number = 1,

// If true, grid items won't change position when being
// dragged over.
preventCollision: ?boolean = false;

// If true, droppable elements (with `draggable={true}` attribute)
// can be dropped on the grid. It triggers "onDrop" callback
// with position and event object as parameters.
// It can be useful for dropping an element in a specific position
//
// NOTE: In case of using Firefox you should add
// `onDragStart={e => e.dataTransfer.setData('text/plain', '')}` attribute
// along with `draggable={true}` otherwise this feature will work incorrect.
// onDragStart attribute is required for Firefox for a dragging initialization
// @see https://bugzilla.mozilla.org/show_bug.cgi?id=568313
isDroppable: ?boolean = false
// Defines which resize handles should be rendered
// Allows for any combination of:
// 's' - South handle (bottom-center)
// 'w' - West handle (left-center)
// 'e' - East handle (right-center)
// 'n' - North handle (top-center)
// 'sw' - Southwest handle (bottom-left)
// 'nw' - Northwest handle (top-left)
// 'se' - Southeast handle (bottom-right)
// 'ne' - Northeast handle (top-right)
resizeHandles: ?Array<'s' | 'w' | 'e' | 'n' | 'sw' | 'nw' | 'se' | 'ne'> = ['se']

//
// Callbacks
//

// Callback so you can save the layout.
// Calls back with (currentLayout) after every drag or resize stop.
onLayoutChange: (layout: Layout) => void,

//
// All callbacks below have signature (layout, oldItem, newItem, placeholder, e, element).
// 'start' and 'stop' callbacks pass `undefined` for 'placeholder'.
//
type ItemCallback = (layout: Layout, oldItem: LayoutItem, newItem: LayoutItem,
                     placeholder: LayoutItem, e: MouseEvent, element: HTMLElement) => void;

// Calls when drag starts.
onDragStart: ItemCallback,
// Calls on each drag movement.
onDrag: ItemCallback,
// Calls when drag is complete.
onDragStop: ItemCallback,
// Calls when resize starts.
onResizeStart: ItemCallback,
// Calls when resize movement happens.
onResize: ItemCallback,
// Calls when resize is complete.
onResizeStop: ItemCallback,
// Calls when an element has been dropped into the grid from outside.
onDrop: (layout: Layout, item: ?LayoutItem, e: Event) => void

// Ref for getting a reference for the grid's wrapping div.
// You can use this instead of a regular ref and the deprecated `ReactDOM.findDOMNode()`` function.
innerRef: ?React.Ref<"div">

Responsive Grid Layout Props

The responsive grid layout can be used instead. It supports all of the props above, excepting layout. The new properties and changes are:

// {name: pxVal}, e.g. {lg: 1200, md: 996, sm: 768, xs: 480}
// Breakpoint names are arbitrary but must match in the cols and layouts objects.
breakpoints: ?Object = {lg: 1200, md: 996, sm: 768, xs: 480, xxs: 0},

// # of cols. This is a breakpoint -> cols map, e.g. {lg: 12, md: 10, ...}
cols: ?Object = {lg: 12, md: 10, sm: 6, xs: 4, xxs: 2},


// margin (in pixels). Can be specified either as horizontal and vertical margin, e.g. `[10, 10]` or as a breakpoint -> margin map, e.g. `{lg: [10, 10], md: [10, 10], ...}.
margin: [number, number] | {[breakpoint: $Keys<breakpoints>]: [number, number]}


// containerPadding (in pixels). Can be specified either as horizontal and vertical padding, e.g. `[10, 10]` or as a breakpoint -> containerPadding map, e.g. `{lg: [10, 10], md: [10, 10], ...}.
containerPadding: [number, number] | {[breakpoint: $Keys<breakpoints>]: [number, number]}


// layouts is an object mapping breakpoints to layouts.
// e.g. {lg: Layout, md: Layout, ...}
layouts: {[key: $Keys<breakpoints>]: Layout}

//
// Callbacks
//

// Calls back with breakpoint and new # cols
onBreakpointChange: (newBreakpoint: string, newCols: number) => void,

// Callback so you can save the layout.
// AllLayouts are keyed by breakpoint.
onLayoutChange: (currentLayout: Layout, allLayouts: {[key: $Keys<breakpoints>]: Layout}) => void,

// Callback when the width changes, so you can modify the layout as needed.
onWidthChange: (containerWidth: number, margin: [number, number], cols: number, containerPadding: [number, number]) => void;

Grid Item Props

RGL supports the following properties on grid items or layout items. When initializing a grid, build a layout array (as in the first example above), or attach this object as the data-grid property to each of your child elements (as in the second example).

Note that if a grid item is provided but incomplete (missing one of x, y, w, or h), an error will be thrown so you can correct your layout.

If no properties are provided for a grid item, one will be generated with a width and height of 1.

You can set minimums and maximums for each dimension. This is for resizing; it of course has no effect if resizing is disabled. Errors will be thrown if your mins and maxes overlap incorrectly, or your initial dimensions are out of range.

Any <GridItem> properties defined directly will take precedence over globally-set options. For example, if the layout has the property isDraggable: false, but the grid item has the prop isDraggable: true, the item will be draggable, even if the item is marked static: true.

{

  // A string corresponding to the component key
  i: string,

  // These are all in grid units, not pixels
  x: number,
  y: number,
  w: number,
  h: number,
  minW: ?number = 0,
  maxW: ?number = Infinity,
  minH: ?number = 0,
  maxH: ?number = Infinity,

  // If true, equal to `isDraggable: false, isResizable: false`.
  static: ?boolean = false,
  // If false, will not be draggable. Overrides `static`.
  isDraggable: ?boolean = true,
  // If false, will not be resizable. Overrides `static`.
  isResizable: ?boolean = true,
  // By default, a handle is only shown on the bottom-right (southeast) corner.
  // Note that resizing from the top or left is generally not intuitive.
  resizeHandles?: ?Array<'s' | 'w' | 'e' | 'n' | 'sw' | 'nw' | 'se' | 'ne'> = ['se']
  // If true and draggable, item will be moved only within grid.
  isBounded: ?boolean = false
}

Performance

<ReactGridLayout> has an optimized shouldComponentUpdate implementation, but it relies on the user memoizing the children array:

// lib/ReactGridLayout.jsx
// ...
shouldComponentUpdate(nextProps: Props, nextState: State) {
  return (
    // NOTE: this is almost always unequal. Therefore the only way to get better performance
    // from SCU is if the user intentionally memoizes children. If they do, and they can
    // handle changes properly, performance will increase.
    this.props.children !== nextProps.children ||
    !fastRGLPropsEqual(this.props, nextProps, isEqual) ||
    !isEqual(this.state.activeDrag, nextState.activeDrag)
  );
}
// ...

If you memoize your children, you can take advantage of this, and reap faster rerenders. For example:

function MyGrid(props) {
  const children = React.useMemo(() => {
    return new Array(props.count).fill(undefined).map((val, idx) => {
      return <div key={idx} data-grid={{x: idx, y: 1, w: 1, h: 1}} />;
    });
  }, [props.count]);
  return <ReactGridLayout cols={12}>{children}</ReactGridLayout>;
}

Because the children prop doesn't change between rerenders, updates to <MyGrid> won't result in new renders, improving performance.

Contribute

If you have a feature request, please add it as an issue or make a pull request.

If you have a bug to report, please reproduce the bug in CodeSandbox to help us easily isolate it.

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
build		build
css		css
dist		dist
lib		lib
.babelrc.js		.babelrc.js
.browserslistrc		.browserslistrc
.eslintignore		.eslintignore
.flowconfig		.flowconfig
.prettierignore		.prettierignore
.prettierrc		.prettierrc
.travis.yml		.travis.yml
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
index.js		index.js
index.js.flow		index.js.flow
package.json		package.json

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React-Grid-Layout

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React-Grid-Layout

Table of Contents

Demos

Projects Using React-Grid-Layout

Features

Installation

Usage

Usage without Browserify/Webpack

Responsive Usage

Providing Grid Width

Grid Layout Props

Responsive Grid Layout Props

Grid Item Props

Performance

Contribute

TODO List

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