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+# Sortable
+Sortable is a <s>minimalist</s> JavaScript library for reorderable drag-and-drop lists.
+
+Demo: http://rubaxa.github.io/Sortable/
+
+
+## Features
+
+ * Supports touch devices and [modern](http://caniuse.com/#search=drag) browsers (including IE9)
+ * Can drag from one list to another or within the same list
+ * CSS animation when moving items
+ * Supports drag handles *and selectable text* (better than voidberg's html5sortable)
+ * Smart auto-scrolling
+ * Built using native HTML5 drag and drop API
+ * Supports
+  * [Meteor](https://github.com/SortableJS/meteor-sortablejs)
+  * AngularJS
+    * [2.0+](https://github.com/SortableJS/angular-sortablejs)
+    * [1.*](https://github.com/SortableJS/angular-legacy-sortablejs)
+  * React
+    * [ES2015+](https://github.com/SortableJS/react-sortablejs)
+    * [Mixin](https://github.com/SortableJS/react-mixin-sortablejs)
+  * [Knockout](https://github.com/SortableJS/knockout-sortablejs)
+  * [Polymer](https://github.com/SortableJS/polymer-sortablejs)
+  * [Vue](https://github.com/SortableJS/Vue.Draggable)
+ * Supports any CSS library, e.g. [Bootstrap](#bs)
+ * Simple API
+ * [CDN](#cdn)
+ * No jQuery (but there is [support](#jq))
+
+
+<br/>
+
+
+### Articles
+
+ * [Sortable v1.0 — New capabilities](https://github.com/RubaXa/Sortable/wiki/Sortable-v1.0-—-New-capabilities/) (December 22, 2014)
+ * [Sorting with the help of HTML5 Drag'n'Drop API](https://github.com/RubaXa/Sortable/wiki/Sorting-with-the-help-of-HTML5-Drag'n'Drop-API/) (December 23, 2013)
+
+
+<br/>
+
+### Install
+
+Via npm
+
+```bash
+$ npm install sortablejs --save
+```
+
+Via bower:
+
+```bash
+$ bower install --save sortablejs
+```
+
+<br/>
+
+### Usage
+```html
+<ul id="items">
+	<li>item 1</li>
+	<li>item 2</li>
+	<li>item 3</li>
+</ul>
+```
+
+```js
+var el = document.getElementById('items');
+var sortable = Sortable.create(el);
+```
+
+You can use any element for the list and its elements, not just `ul`/`li`. Here is an [example with `div`s](http://jsbin.com/qumuwe/edit?html,js,output).
+
+
+---
+
+
+### Options
+```js
+var sortable = new Sortable(el, {
+	group: "name",  // or { name: "...", pull: [true, false, clone], put: [true, false, array] }
+	sort: true,  // sorting inside list
+	delay: 0, // time in milliseconds to define when the sorting should start
+	disabled: false, // Disables the sortable if set to true.
+	store: null,  // @see Store
+	animation: 150,  // ms, animation speed moving items when sorting, `0` — without animation
+	handle: ".my-handle",  // Drag handle selector within list items
+	filter: ".ignore-elements",  // Selectors that do not lead to dragging (String or Function)
+	preventOnFilter: true, // Call `event.preventDefault()` when triggered `filter`
+	draggable: ".item",  // Specifies which items inside the element should be draggable
+	ghostClass: "sortable-ghost",  // Class name for the drop placeholder
+	chosenClass: "sortable-chosen",  // Class name for the chosen item
+	dragClass: "sortable-drag",  // Class name for the dragging item
+	dataIdAttr: 'data-id',
+
+	forceFallback: false,  // ignore the HTML5 DnD behaviour and force the fallback to kick in
+
+	fallbackClass: "sortable-fallback",  // Class name for the cloned DOM Element when using forceFallback
+	fallbackOnBody: false,  // Appends the cloned DOM Element into the Document's Body
+	fallbackTolerance: 0, // Specify in pixels how far the mouse should move before it's considered as a drag.        
+	
+	scroll: true, // or HTMLElement
+	scrollFn: function(offsetX, offsetY, originalEvent) { ... }, // if you have custom scrollbar scrollFn may be used for autoscrolling
+	scrollSensitivity: 30, // px, how near the mouse must be to an edge to start scrolling.
+	scrollSpeed: 10, // px
+
+	setData: function (/** DataTransfer */dataTransfer, /** HTMLElement*/dragEl) {
+		dataTransfer.setData('Text', dragEl.textContent); // `dataTransfer` object of HTML5 DragEvent
+	},
+
+	// Element is chosen
+	onChoose: function (/**Event*/evt) {
+		evt.oldIndex;  // element index within parent
+	},
+
+	// Element dragging started
+	onStart: function (/**Event*/evt) {
+		evt.oldIndex;  // element index within parent
+	},
+
+	// Element dragging ended
+	onEnd: function (/**Event*/evt) {
+		evt.oldIndex;  // element's old index within parent
+		evt.newIndex;  // element's new index within parent
+	},
+
+	// Element is dropped into the list from another list
+	onAdd: function (/**Event*/evt) {
+		var itemEl = evt.item;  // dragged HTMLElement
+		evt.from;  // previous list
+		// + indexes from onEnd
+	},
+
+	// Changed sorting within list
+	onUpdate: function (/**Event*/evt) {
+		var itemEl = evt.item;  // dragged HTMLElement
+		// + indexes from onEnd
+	},
+
+	// Called by any change to the list (add / update / remove)
+	onSort: function (/**Event*/evt) {
+		// same properties as onUpdate
+	},
+
+	// Element is removed from the list into another list
+	onRemove: function (/**Event*/evt) {
+		// same properties as onUpdate
+	},
+
+	// Attempt to drag a filtered element
+	onFilter: function (/**Event*/evt) {
+		var itemEl = evt.item;  // HTMLElement receiving the `mousedown|tapstart` event.
+	},
+
+	// Event when you move an item in the list or between lists
+	onMove: function (/**Event*/evt, /**Event*/originalEvent) {
+		// Example: http://jsbin.com/tuyafe/1/edit?js,output
+		evt.dragged; // dragged HTMLElement
+		evt.draggedRect; // TextRectangle {left, top, right и bottom}
+		evt.related; // HTMLElement on which have guided
+		evt.relatedRect; // TextRectangle
+		originalEvent.clientY; // mouse position
+		// return false; — for cancel
+	},
+	
+	// Called when creating a clone of element
+	onClone: function (/**Event*/evt) {
+		var origEl = evt.item;
+		var cloneEl = evt.clone;
+	}
+});
+```
+
+
+---
+
+
+#### `group` option
+To drag elements from one list into another, both lists must have the same `group` value.
+You can also define whether lists can give away, give and keep a copy (`clone`), and receive elements.
+
+ * name: `String` — group name
+ * pull: `true|false|'clone'|function` — ability to move from the list. `clone` — copy the item, rather than move.
+ * put: `true|false|["foo", "bar"]|function` — whether elements can be added from other lists, or an array of group names from which elements can be taken.
+ * revertClone: `boolean` — revert cloned element to initial position after moving to a another list.
+
+
+Demo:
+ - http://jsbin.com/naduvo/edit?js,output
+ - http://jsbin.com/rusuvot/edit?js,output — use of complex logic in the `pull` and` put`
+ - http://jsbin.com/magogub/edit?js,output — use `revertClone: true`
+
+
+---
+
+
+#### `sort` option
+Sorting inside list.
+
+Demo: http://jsbin.com/videzob/edit?html,js,output
+
+
+---
+
+
+#### `delay` option
+Time in milliseconds to define when the sorting should start.
+
+Demo: http://jsbin.com/xizeh/edit?html,js,output
+
+
+---
+
+
+#### `disabled` options
+Disables the sortable if set to `true`.
+
+Demo: http://jsbin.com/xiloqu/edit?html,js,output
+
+```js
+var sortable = Sortable.create(list);
+
+document.getElementById("switcher").onclick = function () {
+	var state = sortable.option("disabled"); // get
+
+	sortable.option("disabled", !state); // set
+};
+```
+
+
+---
+
+
+#### `handle` option
+To make list items draggable, Sortable disables text selection by the user.
+That's not always desirable. To allow text selection, define a drag handler,
+which is an area of every list element that allows it to be dragged around.
+
+Demo: http://jsbin.com/newize/edit?html,js,output
+
+```js
+Sortable.create(el, {
+	handle: ".my-handle"
+});
+```
+
+```html
+<ul>
+	<li><span class="my-handle">::</span> list item text one
+	<li><span class="my-handle">::</span> list item text two
+</ul>
+```
+
+```css
+.my-handle {
+	cursor: move;
+	cursor: -webkit-grabbing;
+}
+```
+
+
+---
+
+
+#### `filter` option
+
+
+```js
+Sortable.create(list, {
+	filter: ".js-remove, .js-edit",
+	onFilter: function (evt) {
+		var item = evt.item,
+			ctrl = evt.target;
+
+		if (Sortable.utils.is(ctrl, ".js-remove")) {  // Click on remove button
+			item.parentNode.removeChild(item); // remove sortable item
+		}
+		else if (Sortable.utils.is(ctrl, ".js-edit")) {  // Click on edit link
+			// ...
+		}
+	}
+})
+```
+
+
+---
+
+
+#### `ghostClass` option
+Class name for the drop placeholder (default `sortable-ghost`).
+
+Demo: http://jsbin.com/hunifu/4/edit?css,js,output
+
+```css
+.ghost {
+  opacity: 0.4;
+}
+```
+
+```js
+Sortable.create(list, {
+  ghostClass: "ghost"
+});
+```
+
+
+---
+
+
+#### `chosenClass` option
+Class name for the chosen item  (default `sortable-chosen`).
+
+Demo: http://jsbin.com/hunifu/3/edit?html,css,js,output
+
+```css
+.chosen {
+  color: #fff;
+  background-color: #c00;
+}
+```
+
+```js
+Sortable.create(list, {
+  delay: 500,
+  chosenClass: "chosen"
+});
+```
+
+
+---
+
+
+#### `forceFallback` option
+If set to `true`, the Fallback for non HTML5 Browser will be used, even if we are using an HTML5 Browser.
+This gives us the possibility to test the behaviour for older Browsers even in newer Browser, or make the Drag 'n Drop feel more consistent between Desktop , Mobile and old Browsers.
+
+On top of that, the Fallback always generates a copy of that DOM Element and appends the class `fallbackClass` defined in the options. This behaviour controls the look of this 'dragged' Element.
+
+Demo: http://jsbin.com/yacuqib/edit?html,css,js,output
+
+
+---
+
+
+#### `fallbackTolerance` option
+Emulates the native drag threshold. Specify in pixels how far the mouse should move before it's considered as a drag.
+Useful if the items are also clickable like in a list of links.
+
+When the user clicks inside a sortable element, it's not uncommon for your hand to move a little between the time you press and the time you release.  
+Dragging only starts if you move the pointer past a certain tolerance, so that you don't accidentally start dragging every time you click.
+
+3 to 5 are probably good values.
+
+
+---
+
+
+#### `scroll` option
+If set to `true`, the page (or sortable-area) scrolls when coming to an edge.
+
+Demo:
+ - `window`: http://jsbin.com/tutuzeh/edit?html,js,output
+ - `overflow: hidden`: http://jsbin.com/kolisu/edit?html,js,output
+
+
+---
+
+
+#### `scrollFn` option
+Defines function that will be used for autoscrolling. el.scrollTop/el.scrollLeft is used by default.
+Useful when you have custom scrollbar with dedicated scroll function.
+
+
+---
+
+
+#### `scrollSensitivity` option
+Defines how near the mouse must be to an edge to start scrolling.
+
+
+---
+
+
+#### `scrollSpeed` option
+The speed at which the window should scroll once the mouse pointer gets within the `scrollSensitivity` distance.
+
+
+---
+
+
+### Event object ([demo](http://jsbin.com/xedusu/edit?js,output))
+
+ - to:`HTMLElement` — list, in which moved element.
+ - from:`HTMLElement` — previous list
+ - item:`HTMLElement` — dragged element
+ - clone:`HTMLElement`
+ - oldIndex:`Number|undefined` — old index within parent
+ - newIndex:`Number|undefined` — new index within parent
+
+
+#### `move` event object
+ - to:`HTMLElement`
+ - from:`HTMLElement`
+ - dragged:`HTMLElement`
+ - draggedRect:` TextRectangle`
+ - related:`HTMLElement` — element on which have guided
+ - relatedRect:` TextRectangle`
+
+
+---
+
+
+### Method
+
+
+##### option(name:`String`[, value:`*`]):`*`
+Get or set the option.
+
+
+
+##### 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.
+
+
+##### toArray():`String[]`
+Serializes the sortable's item `data-id`'s (`dataIdAttr` option) into an array of string.
+
+
+##### sort(order:`String[]`)
+Sorts the elements according to the array.
+
+```js
+var order = sortable.toArray();
+sortable.sort(order.reverse()); // apply
+```
+
+
+##### save()
+Save the current sorting (see [store](#store))
+
+
+##### destroy()
+Removes the sortable functionality completely.
+
+
+---
+
+
+<a name="store"></a>
+### Store
+Saving and restoring of the sort.
+
+```html
+<ul>
+	<li data-id="1">order</li>
+	<li data-id="2">save</li>
+	<li data-id="3">restore</li>
+</ul>
+```
+
+```js
+Sortable.create(el, {
+	group: "localStorage-example",
+	store: {
+		/**
+		 * Get the order of elements. Called once during initialization.
+		 * @param   {Sortable}  sortable
+		 * @returns {Array}
+		 */
+		get: function (sortable) {
+			var order = localStorage.getItem(sortable.options.group.name);
+			return order ? order.split('|') : [];
+		},
+
+		/**
+		 * Save the order of elements. Called onEnd (when the item is dropped).
+		 * @param {Sortable}  sortable
+		 */
+		set: function (sortable) {
+			var order = sortable.toArray();
+			localStorage.setItem(sortable.options.group.name, order.join('|'));
+		}
+	}
+})
+```
+
+
+---
+
+
+<a name="bs"></a>
+### Bootstrap
+Demo: http://jsbin.com/qumuwe/edit?html,js,output
+
+```html
+<!-- Latest compiled and minified CSS -->
+<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css"/>
+
+
+<!-- Latest Sortable -->
+<script src="http://rubaxa.github.io/Sortable/Sortable.js"></script>
+
+
+<!-- Simple List -->
+<ul id="simpleList" class="list-group">
+	<li class="list-group-item">This is <a href="http://rubaxa.github.io/Sortable/">Sortable</a></li>
+	<li class="list-group-item">It works with Bootstrap...</li>
+	<li class="list-group-item">...out of the box.</li>
+	<li class="list-group-item">It has support for touch devices.</li>
+	<li class="list-group-item">Just drag some elements around.</li>
+</ul>
+
+<script>
+    // Simple list
+    Sortable.create(simpleList, { /* options */ });
+</script>
+```
+
+
+---
+
+
+### Static methods & properties
+
+
+
+##### Sortable.create(el:`HTMLElement`[, options:`Object`]):`Sortable`
+Create new instance.
+
+
+---
+
+
+##### Sortable.active:`Sortable`
+Link to the active instance.
+
+
+---
+
+
+##### 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
+* is(el`:HTMLElement`, selector`:String`)`:Boolean` — check the current matched set of elements against a selector
+* 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
+* clone(el`:HTMLElement`)`:HTMLElement` — create a deep copy of the set of matched elements
+* toggleClass(el`:HTMLElement`, name`:String`, state`:Boolean`) — add or remove one classes from each element
+
+
+---
+
+
+<a name="cdn"></a>
+### CDN
+
+```html
+<!-- CDNJS :: Sortable (https://cdnjs.com/) -->
+<script src="//cdnjs.cloudflare.com/ajax/libs/Sortable/1.5.1/Sortable.min.js"></script>
+
+
+<!-- jsDelivr :: Sortable (http://www.jsdelivr.com/) -->
+<script src="//cdn.jsdelivr.net/sortable/1.5.1/Sortable.min.js"></script>
+
+
+<!-- jsDelivr :: Sortable :: Latest (http://www.jsdelivr.com/) -->
+<script src="//cdn.jsdelivr.net/sortable/latest/Sortable.min.js"></script>
+```
+
+
+---
+
+
+<a name="jq"></a>
+### jQuery compatibility
+To assemble plugin for jQuery, perform the following steps:
+
+```bash
+  cd Sortable
+  npm install
+  grunt jquery
+```
+
+Now you can use `jquery.fn.sortable.js`:<br/>
+(or `jquery.fn.sortable.min.js` if you run `grunt jquery:min`)
+
+```js
+  $("#list").sortable({ /* options */ }); // init
+
+  $("#list").sortable("widget"); // get Sortable instance
+
+  $("#list").sortable("destroy"); // destroy Sortable instance
+
+  $("#list").sortable("{method-name}"); // call an instance method
+
+  $("#list").sortable("{method-name}", "foo", "bar"); // call an instance method with parameters
+```
+
+And `grunt jquery:mySortableFunc` → `jquery.fn.mySortableFunc.js`
+
+---
+
+
+### Contributing (Issue/PR)
+
+Please, [read this](CONTRIBUTING.md).
+
+
+---
+
+
+## MIT LICENSE
+Copyright 2013-2017 Lebedev Konstantin <ibnRubaXa@gmail.com>
+http://rubaxa.github.io/Sortable/
+
+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.
+