HTML5Sortable

Lightweight vanillajs micro-library for creating sortable lists and grids using native HTML5 drag and drop API.

If you are interested in actively helping with maintaining & improving this project please send me a message via twitter @lukasoppermann or email oppermann.lukas@gmail.com with a short text of what you would like to do on the project. This may be something small like sorting issues and helping with questions and small bugs (if you have little time or are not that experienced) or something big like tackling big features.

Features

Only 2KB (minified and gzipped).
Built using native HTML5 drag and drop API. No dependencies.
Supports both list and grid style layouts.
Supported Browsers: Current versions of all major browsers (Chrome, Firefox, Safari, Opera, Edge), IE11+ (Polyfill required)
Available as ES6 Module, AMD, CommonJS and iffe with sortable global

Demo: Check out the examples

Framework adapters

If you would like to add an adapter to the list, please create an issue with the link to your adapter.

Polymer: https://github.com/trofrigo/polymer-html5sortable

Installation

We recommend installing the package via npm.

npm install html5sortable --save

Once you install the package using npm or downloading the latest release (don't use the master branch), load file you need from the dist/ directory, e.g. dist/html.sortable.min.js for the minified iife version.

iffe (loading file via script tag): dist/html5sortable.js or dist/html5sortable.min.js
ES6 Module: dist/html5sortable.es.js
CommonJS Module: dist/html5sortable.cjs.js
AMD Module: dist/html5sortable.amd.js

Still using bower? bower install https://github.com/lukasoppermann/html5sortable.git

Examples

You can find the examples online or test locally. Warning: the online demo is just to show off the features and is most likely not up to date. Please study this readme file for the current way of implementing and using html5sortable.

Docs

Usage

Use sortable method to create a sortable list:

sortable('.sortable');

Styling

Use .sortable-placeholder CSS selectors to change the styles of the placeholder. You may change the class by setting the placeholderClass option in the config object.

sortable('.sortable', {
  placeholderClass: 'my-placeholder fade'
});

Nesting

You can nest sortables inside each other. However, take care to add a wrapper around the items, a sortable-item can not at the same time be a sortable.

<div class="list"><!-- Sortable -->
  <div class="item"> Item 1
    <div class="sublist"><!-- Nested Sortable; Wrapping container needed -->
      <div class="subitem">Subitem 1</div>
      <div class="subitem">Subitem 2</div>
    </div>
  </div>
  <div class="item"> Item 2 </div>
</div>

Events

NOTE: Events can be listened on any element from the group (when using connectWith), since the same event will be dispatched on all of them.

sortstart

Use sortstart event if you want to do something when sorting starts:

sortable('.sortable')[0].addEventListener('sortstart', function(e) {
    /*

    This event is triggered when the user starts sorting and the DOM position has not yet changed.

    e.detail.item - {HTMLElement} dragged element

    Origin Container Data
    e.detail.origin.index - {Integer} Index of the element within Sortable Items Only
    e.detail.origin.elementIndex - {Integer} Index of the element in all elements in the Sortable Container
    e.detail.origin.container - {HTMLElement} Sortable Container that element was moved out of (or copied from)
    */
});

sortstop

Use the sortstop event if you want to do something when sorting stops:

sortable('.sortable')[0].addEventListener('sortstop', function(e) {
    /*

    This event is triggered when the user stops sorting and the DOM position has not yet changed.

    e.detail.item - {HTMLElement} dragged element

    Origin Container Data
    e.detail.origin.index - {Integer} Index of the element within Sortable Items Only
    e.detail.origin.elementIndex - {Integer} Index of the element in all elements in the Sortable Container
    e.detail.origin.container - {HTMLElement} Sortable Container that element was moved out of (or copied from)
    */
});

sortupdate

Use sortupdate event if you want to do something when the order changes (e.g. storing the new order):

sortable('.sortable')[0].addEventListener('sortupdate', function(e) {

    console.log(e.detail);

    /*
    This event is triggered when the user stopped sorting and the DOM position has changed.

    e.detail.item - {HTMLElement} dragged element

    Origin Container Data
    e.detail.origin.index - {Integer} Index of the element within Sortable Items Only
    e.detail.origin.elementIndex - {Integer} Index of the element in all elements in the Sortable Container
    e.detail.origin.container - {HTMLElement} Sortable Container that element was moved out of (or copied from)
    e.detail.origin.itemsBeforeUpdate - {Array} Sortable Items before the move
    e.detail.origin.items - {Array} Sortable Items after the move

    Destination Container Data
    e.detail.destination.index - {Integer} Index of the element within Sortable Items Only
    e.detail.destination.elementIndex - {Integer} Index of the element in all elements in the Sortable Container
    e.detail.destination.container - {HTMLElement} Sortable Container that element is moved into (or copied into)
    e.detail.destination.itemsBeforeUpdate - {Array} Sortable Items before the move
    e.detail.destination.items - {Array} Sortable Items after the move
    */
});

sortenter

Fired when a dragitem enters a sortable container.

sortleave

Fired when a dragitem leaves a sortable container.

Options

items

Use the items option to specify which items inside the element should be sortable:

sortable('.sortable', {
    items: ':not(.disabled)'
});

handle

Use the handle option to restrict drag start to the specified element:

sortable('.sortable', {
    handle: 'h2'
});

forcePlaceholderSize

Setting the forcePlaceholderSize option to true, forces the placeholder to have a height:

sortable('.sortable', {
    forcePlaceholderSize: true
});

connectWith

Use acceptFrom instead. The connectWith option allows you to create a connected lists:

sortable('.js-sortable, .js-second-sortable', {
    connectWith: 'connected' // unique string, which is not used for other connectWith sortables
});

acceptFrom

Use the acceptFrom option to restrict which sortable's items will be accepted by this sortable. acceptFrom accepts a comma separated list of selectors or false to disabling accepting items. This is an alternative to the now deprecated connectWith and should not be used together.

sortable('.sortable', {
  acceptFrom: '.sortable, .anotherSortable' // Defaults to null
});

Note: Using acceptFrom also effects the sortable itself. This means, items will not be sortable within the list itself, if you do not include it in the acceptFrom option.

In the example the current list .sortable allows items within it to be sorted and accepts elements from .anotherSortable.

If you want to be able to move items between to sortables, the acceptFrom option must be present on both of them.

placeholder

Use the placeholder option to specify the markup of the placeholder:

sortable('.sortable', {
  items: 'tr' ,
  placeholder: '<tr><td colspan="7">&nbsp;</td></tr>'
});

hoverClass

Use the hoverClass option to apply css classes to the hovered element rather than relying on :hover. This can eliminate some potential drag and drop issues where another element thinks it is being hovered over.

sortable('.sortable', {
  hoverClass: 'is-hovered is-hovered-class' // Defaults to false
});

dropTargetContainerClass

Use dropTargetContainerClass option to apply a css Class to the container. The class is added when dragged item enters the container and removed when it leaves it (or is dropped).

sortable('.sortable', {
  dropTargetContainerClass: 'is-drop-target' // Defaults to false
});

maxItems

Use the maxItems option to restrict the number of items that can be added to a sortable from a connected sortable. maxItems should always be combined with the items option. Make sure items does not match placeholder and other options, so that they are not counted.

sortable('.sortable', {
  maxItems: 3 // Defaults to 0 (no limit)
});

copy

Use the copy option to duplicate the element on drag. The original element will remain in the same position.

sortable('.sortable', {
  copy: true // Defaults to false
});

orientation

Use the orientation option to specify the orientation of your list and fix incorrect hover behaviour. Defaults to 'vertical'.

sortable('.sortable', {
  orientation: 'horizontal' // Defaults to 'vertical'
});

itemSerializer

You can provide a function that will be applied to every item in the items array (see serialize). The function receives two arguments: serializedItem: object, sortableContainer: Element. This function can be used to change the output for the items. Defaults to undefined.

sortable('.sortable', {
  itemSerializer: (serializedItem, sortableContainer) => {
    return {
      position:  serializedItem.index + 1,
      html: serializedItem.html
    }
  }
});

containerSerializer

You can provide a function that will be applied to the container object (see serialize). The function receives one argument: serializedContainer: object. This function can be used to change the output for the container. Defaults to undefined.

sortable('.sortable', {
  containerSerializer: (serializedContainer) => {
    return {
      length: container.itemCount
    }
  }
});

customDragImage

You can provide a function as a customDragImage property on the options object which will be used to create the item and position of the drag image (the half transparent item you see when dragging an element).

The function gets three parameters, the dragged element, an offset object with the offset values for the offset of the item and the dragstart event. The function MUST return an object with an element property with an html element as well as a posX and posY property with has the x and y offset for the dragImage.

sortable('.sortable', {
  customDragImage: (draggedElement, elementOffset, event) => {
    return {
      element: draggedElement,
      posX: event.pageX - elementOffset.left,
      posY: event.pageY - elementOffset.top
    }
  }
});

// elementOffset object that is received in the customDragImage function
{
  left: rect.left + window.scrollX,
  right: rect.right + window.scrollX,
  top: rect.top + window.scrollY,
  bottom: rect.bottom + window.scrollY
}

Methods

destroy

To remove the sortable functionality completely:

sortable('.sortable', 'destroy');

disable

To disable the sortable temporarily:

sortable('.sortable', 'disable');

enable

To enable a disabled sortable:

sortable('.sortable', 'enable');

serialize

You can easily serialize a sortable using the serialize command. If you provided an itemSerializer or containerSerializer function in the options object, they will be applied to the container object and the items objects before they are returned.

sortable('.sortable', 'serialize');

// You will receive an object in the following format
[{
  container: {
    node: sortableContainer,
    itemCount: items.length
  }
  items: [{
    parent: sortableContainer,
    node: item,
    html: item.outerHTML,
    index: index(item, items)
  }, …]
}, …]

reload

When you add a new item to a sortable, it will not automatically be a draggable item, so you will need to reinit the sortable. Your previously added options will be preserved.

sortable('.sortable');

Sorting table rows

Initialize plugin on tbody element (browsers automatically add tbody if you don't)
Keep in mind that different browsers may display different drag images of the row during the drag action. Webkit browsers seem to hide entire contents of td cell if there are any inline elements inside the td. This may or may not be fixed by setting the td to be position: relative;
If you add a custom placeholder you must use a tr e.g. placeholder: "<tr><td colspan="3">The row will appear here</td></tr>", otherwise you will only be able to drop items when hovering the first column.

Contributing

This version is maintained by Lukas Oppermann and many other contributors. Thanks for your help! 👍

Contributions are always welcome. Please check out the contribution guidelines to make it fast & easy for us to merge your PR.

Issues: If you create a bug report, please make sure to include a test case showing the issue. The easiest way is to copy the codepen template.

Polyfills: Facing towards the future instead of the past

This project is focusing on modern, evergreen browsers to deliver a fast and small package. While many projects try build features so that it runs in the oldest browser (looking at you IE9), we try to create a fast and pleasant development experience using the language capabilities that the current version of Javascript offers.

Benefits

Small and fast package for modern browsers

While a backwards facing approach penalises modern browsers by making them download huge files, we prefer to ship a small package and have outdated browser bear the penalty of the polyfill. An additional benefit is that you might polyfill those features in any case so you don't have any additional load.

Contribution friendly code base

We try to encourage people to help shape the future of this package and contribute in small or big ways. By removing hard to understand hacks we make it easier for people new to the code base or even Javascript to contribute.

Helps browser optimisation

Browser try to performance optimise language features as much as possible. Working around the language to make code work in outdated browser may actually work against this.

Polyfill

We recommend using the Financial Times Polyfill Service which will polyfill only the necessary features for browsers that need a polyfill. It is basically a no-config, easy solution.

<script src="https://cdn.polyfill.io/v2/polyfill.min.js"></script>

Known Issues

Firefox

Dragstart not working on buttons
Dragstart event does not fire on button elements. This effectively disables drag and drop for button elements. See https://caniuse.com/#feat=dragndrop in the known issues section.
Drag & Drop is not working on iOS
But works in conjunction with DragDropTouch #522.

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.github/ISSUE_TEMPLATE		.github/ISSUE_TEMPLATE
__tests__		__tests__
docs		docs
src		src
.coveralls.yml		.coveralls.yml
.gitignore		.gitignore
.travis.yml		.travis.yml
CODE_OF_CONDUCT.md		CODE_OF_CONDUCT.md
CONTRIBUTING.md		CONTRIBUTING.md
ISSUE_TEMPLATE.md		ISSUE_TEMPLATE.md
LICENSE.md		LICENSE.md
README.md		README.md
make-release.sh		make-release.sh
package-lock.json		package-lock.json
package.json		package.json
rollup.config.js		rollup.config.js
tsconfig.json		tsconfig.json

License

kiranmalave/html5sortable

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