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Sortable

Features

Support touch devices and modern browsers
Animation moving items when sorting (css animation)
Built using native HTML5 drag and drop API
Simple API
Lightweight, 2KB gzipped
No jQuery

Usage

<ul id="items">
	<li>item 1</li>
	<li>item 2</li>
	<li>item 3</li>
</ul>

var el = document.getElementById('items');
Sortable.create(el);

Options

var sortabel = new Sortable(el, {
	group: "name", // or { name: "..", pull: [true, false, clone], put: true }
	sort: true, // sorting inside list
	store: null, // @see Store
	animation: 150, // ms, animation speed moving items when sorting, `0` — without animation
	handle: ".my-handle", // Restricts sort start click/touch to the specified element
	filter: ".ignor-elements", // Selectors that do not lead to dragging (String or Function)
	draggable: ".item",   // Specifies which items inside the element should be sortable
	ghostClass: "sortable-ghost",

	onStart: function (/**Event*/evt) { /* dragging */ },
	onEnd: function (/**Event*/evt) { /* dragging */ },

	onAdd: function (/**Event*/evt){
		var itemEl = evt.item; // dragged HTMLElement
	},

	onUpdate: function (/**Event*/evt){
		var itemEl = evt.item; // dragged HTMLElement
	},

	onRemove: function (/**Event*/evt){
		var itemEl = evt.item; // dragged HTMLElement
	},

	onFilter: function (/**Event*/evt){
		var itemEl = evt.item; // HTMLElement on which was `mousedown|tapstart` event.
	}
});

Method

closest(el:`String`[, selector:`HTMLElement`]):`HTMLElement|null`

For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.

var editableList = new Sortable(list, {
	filter: ".js-remove, .js-edit",
	onFilter: function (evt) {
		var el = editableList.closest(evt.item); // list item

		if (editableList.closest(evt.item, ".js-remove")) { // Click on remove button
			el.parentNode.removeChild(el); // remove sortable item
		}
		else if (editableList.closest(evt.item, ".js-edit")) { // Click on edit link
			// ...
		}
	}
})

toArray():`String[]`

Serializes the sortable's item data-id's into an array of string.

sort(order:`String[]`)

Sorts the elements according to the array.

var order = sortable.toArray();
sortable.sort(order.reverse()); // apply

destroy()

Store

Saving and restoring of the sort.

<ul>
	<li data-id="1">order</li>
	<li data-id="2">save</li>
	<li data-id="3">restore</li>
</ul>

Sortable.create(el, {
	group: "localStorage-example",
	store: {
		/**
		 * Get the order of elements. Called once during initialization.
		 * @param   {Sortable}  sortable
		 * @retruns {Array}
		 */
		get: function (sortable) {
			var order = localStorage.getItem(sortable.options.group);
			return order ? order.split('|') : [];
		},

		/**
		 * Save the order of elements. Called every time at the drag end.
		 * @param {Sortable}  sortable
		 */
		set: function (sortable) {
			var order = sortable.toArray();
			localStorage.setItem(sortable.options.group, order.join('|'));
		}
	}
})

Sortable.utils

on(el:HTMLElement, event:String, fn:Function) — attach an event handler function
off(el:HTMLElement, event:String, fn:Function) — remove an event handler
css(el:HTMLElement):Object — get the values of all the CSS properties
css(el:HTMLElement, prop:String):Mixed — get the value of style properties
css(el:HTMLElement, prop:String, value:String) — set one CSS properties
css(el:HTMLElement, props:Object) — set more CSS properties
find(ctx:HTMLElement, tagName:String[, iterator:Function]):Array — get elements by tag name
bind(ctx:Mixed, fn:Function):Function — Takes a function and returns a new one that will always have a particular context
closest(el:HTMLElement, selector:String[, ctx:HTMLElement]):HTMLElement|Null — for each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree
toggleClass(el:HTMLElement, name:String, state:Boolean) — add or remove one classes from each element

MIT LICENSE

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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