PHP Dosya Yöneticisi

/**!
 * Sortable
 * @author	RubaXa   <trash@rubaxa.org>
 * @license MIT
 */

(function sortableModule(factory) {
	"use strict";

if (typeof define === "function" && define.amd) {
		define(factory);
	}
	else if (typeof module != "undefined" && typeof module.exports != "undefined") {
		module.exports = factory();
	}
	else {
		/* jshint sub:true */
		window["Sortable"] = factory();
	}
})(function sortableFactory() {
	"use strict";

if (typeof window == "undefined" || !window.document) {
		return function sortableError() {
			throw new Error("Sortable.js requires a window with a document");
		};
	}

var dragEl,
		parentEl,
		ghostEl,
		cloneEl,
		rootEl,
		nextEl,
		lastDownEl,

scrollEl,
		scrollParentEl,
		scrollCustomFn,

lastEl,
		lastCSS,
		lastParentCSS,

oldIndex,
		newIndex,

activeGroup,
		putSortable,

autoScroll = {},

tapEvt,
		touchEvt,

moved,

/** @const */
		R_SPACE = /\s+/g,
		R_FLOAT = /left|right|inline/,

expando = 'Sortable' + (new Date).getTime(),

win = window,
		document = win.document,
		parseInt = win.parseInt,

$ = win.jQuery || win.Zepto,
		Polymer = win.Polymer,

captureMode = false,

supportDraggable = !!('draggable' in document.createElement('div')),
		supportCssPointerEvents = (function (el) {
			// false when IE11
			if (!!navigator.userAgent.match(/Trident.*rv[ :]?11\./)) {
				return false;
			}
			el = document.createElement('x');
			el.style.cssText = 'pointer-events:auto';
			return el.style.pointerEvents === 'auto';
		})(),

_silent = false,

abs = Math.abs,
		min = Math.min,

savedInputChecked = [],
		touchDragOverListeners = [],

_autoScroll = _throttle(function (/**Event*/evt, /**Object*/options, /**HTMLElement*/rootEl) {
			// Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
			if (rootEl && options.scroll) {
				var _this = rootEl[expando],
					el,
					rect,
					sens = options.scrollSensitivity,
					speed = options.scrollSpeed,

x = evt.clientX,
					y = evt.clientY,

winWidth = window.innerWidth,
					winHeight = window.innerHeight,

vx,
					vy,

scrollOffsetX,
					scrollOffsetY
				;

// Delect scrollEl
				if (scrollParentEl !== rootEl) {
					scrollEl = options.scroll;
					scrollParentEl = rootEl;
					scrollCustomFn = options.scrollFn;

if (scrollEl === true) {
						scrollEl = rootEl;

do {
							if ((scrollEl.offsetWidth < scrollEl.scrollWidth) ||
								(scrollEl.offsetHeight < scrollEl.scrollHeight)
							) {
								break;
							}
							/* jshint boss:true */
						} while (scrollEl = scrollEl.parentNode);
					}
				}

if (scrollEl) {
					el = scrollEl;
					rect = scrollEl.getBoundingClientRect();
					vx = (abs(rect.right - x) <= sens) - (abs(rect.left - x) <= sens);
					vy = (abs(rect.bottom - y) <= sens) - (abs(rect.top - y) <= sens);
				}

if (!(vx || vy)) {
					vx = (winWidth - x <= sens) - (x <= sens);
					vy = (winHeight - y <= sens) - (y <= sens);

/* jshint expr:true */
					(vx || vy) && (el = win);
				}

if (autoScroll.vx !== vx || autoScroll.vy !== vy || autoScroll.el !== el) {
					autoScroll.el = el;
					autoScroll.vx = vx;
					autoScroll.vy = vy;

clearInterval(autoScroll.pid);

if (el) {
						autoScroll.pid = setInterval(function () {
							scrollOffsetY = vy ? vy * speed : 0;
							scrollOffsetX = vx ? vx * speed : 0;

if ('function' === typeof(scrollCustomFn)) {
								return scrollCustomFn.call(_this, scrollOffsetX, scrollOffsetY, evt);
							}

if (el === win) {
								win.scrollTo(win.pageXOffset + scrollOffsetX, win.pageYOffset + scrollOffsetY);
							} else {
								el.scrollTop += scrollOffsetY;
								el.scrollLeft += scrollOffsetX;
							}
						}, 24);
					}
				}
			}
		}, 30),

_prepareGroup = function (options) {
			function toFn(value, pull) {
				if (value === void 0 || value === true) {
					value = group.name;
				}

if (typeof value === 'function') {
					return value;
				} else {
					return function (to, from) {
						var fromGroup = from.options.group.name;

return pull
							? value
							: value && (value.join
								? value.indexOf(fromGroup) > -1
								: (fromGroup == value)
							);
					};
				}
			}

var group = {};
			var originalGroup = options.group;

if (!originalGroup || typeof originalGroup != 'object') {
				originalGroup = {name: originalGroup};
			}

group.name = originalGroup.name;
			group.checkPull = toFn(originalGroup.pull, true);
			group.checkPut = toFn(originalGroup.put);
			group.revertClone = originalGroup.revertClone;

options.group = group;
		}
	;

/**
	 * @class  Sortable
	 * @param  {HTMLElement}  el
	 * @param  {Object}       [options]
	 */
	function Sortable(el, options) {
		if (!(el && el.nodeType && el.nodeType === 1)) {
			throw 'Sortable: `el` must be HTMLElement, and not ' + {}.toString.call(el);
		}

this.el = el; // root element
		this.options = options = _extend({}, options);

// Export instance
		el[expando] = this;

// Default options
		var defaults = {
			group: Math.random(),
			sort: true,
			disabled: false,
			store: null,
			handle: null,
			scroll: true,
			scrollSensitivity: 30,
			scrollSpeed: 10,
			draggable: /[uo]l/i.test(el.nodeName) ? 'li' : '>*',
			ghostClass: 'sortable-ghost',
			chosenClass: 'sortable-chosen',
			dragClass: 'sortable-drag',
			ignore: 'a, img',
			filter: null,
			preventOnFilter: true,
			animation: 0,
			setData: function (dataTransfer, dragEl) {
				dataTransfer.setData('Text', dragEl.textContent);
			},
			dropBubble: false,
			dragoverBubble: false,
			dataIdAttr: 'data-id',
			delay: 0,
			forceFallback: false,
			fallbackClass: 'sortable-fallback',
			fallbackOnBody: false,
			fallbackTolerance: 0,
			fallbackOffset: {x: 0, y: 0}
		};

// Set default options
		for (var name in defaults) {
			!(name in options) && (options[name] = defaults[name]);
		}

_prepareGroup(options);

// Bind all private methods
		for (var fn in this) {
			if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
				this[fn] = this[fn].bind(this);
			}
		}

// Setup drag mode
		this.nativeDraggable = options.forceFallback ? false : supportDraggable;

// Bind events
		_on(el, 'mousedown', this._onTapStart);
		_on(el, 'touchstart', this._onTapStart);
		_on(el, 'pointerdown', this._onTapStart);

if (this.nativeDraggable) {
			_on(el, 'dragover', this);
			_on(el, 'dragenter', this);
		}

touchDragOverListeners.push(this._onDragOver);

// Restore sorting
		options.store && this.sort(options.store.get(this));
	}

Sortable.prototype = /** @lends Sortable.prototype */ {
		constructor: Sortable,

_onTapStart: function (/** Event|TouchEvent */evt) {
			var _this = this,
				el = this.el,
				options = this.options,
				preventOnFilter = options.preventOnFilter,
				type = evt.type,
				touch = evt.touches && evt.touches[0],
				target = (touch || evt).target,
				originalTarget = evt.target.shadowRoot && evt.path[0] || target,
				filter = options.filter,
				startIndex;

_saveInputCheckedState(el);

// Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
			if (dragEl) {
				return;
			}

if (type === 'mousedown' && evt.button !== 0 || options.disabled) {
				return; // only left button or enabled
			}

target = _closest(target, options.draggable, el);

if (!target) {
				return;
			}

if (lastDownEl === target) {
				// Ignoring duplicate `down`
				return;
			}

// Get the index of the dragged element within its parent
			startIndex = _index(target, options.draggable);

// Check filter
			if (typeof filter === 'function') {
				if (filter.call(this, evt, target, this)) {
					_dispatchEvent(_this, originalTarget, 'filter', target, el, startIndex);
					preventOnFilter && evt.preventDefault();
					return; // cancel dnd
				}
			}
			else if (filter) {
				filter = filter.split(',').some(function (criteria) {
					criteria = _closest(originalTarget, criteria.trim(), el);

if (criteria) {
						_dispatchEvent(_this, criteria, 'filter', target, el, startIndex);
						return true;
					}
				});

if (filter) {
					preventOnFilter && evt.preventDefault();
					return; // cancel dnd
				}
			}

if (options.handle && !_closest(originalTarget, options.handle, el)) {
				return;
			}

// Prepare `dragstart`
			this._prepareDragStart(evt, touch, target, startIndex);
		},

_prepareDragStart: function (/** Event */evt, /** Touch */touch, /** HTMLElement */target, /** Number */startIndex) {
			var _this = this,
				el = _this.el,
				options = _this.options,
				ownerDocument = el.ownerDocument,
				dragStartFn;

if (target && !dragEl && (target.parentNode === el)) {
				tapEvt = evt;

rootEl = el;
				dragEl = target;
				parentEl = dragEl.parentNode;
				nextEl = dragEl.nextSibling;
				lastDownEl = target;
				activeGroup = options.group;
				oldIndex = startIndex;

this._lastX = (touch || evt).clientX;
				this._lastY = (touch || evt).clientY;

dragEl.style['will-change'] = 'transform';

dragStartFn = function () {
					// Delayed drag has been triggered
					// we can re-enable the events: touchmove/mousemove
					_this._disableDelayedDrag();

// Make the element draggable
					dragEl.draggable = _this.nativeDraggable;

// Chosen item
					_toggleClass(dragEl, options.chosenClass, true);

// Bind the events: dragstart/dragend
					_this._triggerDragStart(evt, touch);

// Drag start event
					_dispatchEvent(_this, rootEl, 'choose', dragEl, rootEl, oldIndex);
				};

// Disable "draggable"
				options.ignore.split(',').forEach(function (criteria) {
					_find(dragEl, criteria.trim(), _disableDraggable);
				});

_on(ownerDocument, 'mouseup', _this._onDrop);
				_on(ownerDocument, 'touchend', _this._onDrop);
				_on(ownerDocument, 'touchcancel', _this._onDrop);
				_on(ownerDocument, 'pointercancel', _this._onDrop);
				_on(ownerDocument, 'selectstart', _this);

if (options.delay) {
					// If the user moves the pointer or let go the click or touch
					// before the delay has been reached:
					// disable the delayed drag
					_on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
					_on(ownerDocument, 'touchend', _this._disableDelayedDrag);
					_on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
					_on(ownerDocument, 'mousemove', _this._disableDelayedDrag);
					_on(ownerDocument, 'touchmove', _this._disableDelayedDrag);
					_on(ownerDocument, 'pointermove', _this._disableDelayedDrag);

_this._dragStartTimer = setTimeout(dragStartFn, options.delay);
				} else {
					dragStartFn();
				}

}
		},

_disableDelayedDrag: function () {
			var ownerDocument = this.el.ownerDocument;

clearTimeout(this._dragStartTimer);
			_off(ownerDocument, 'mouseup', this._disableDelayedDrag);
			_off(ownerDocument, 'touchend', this._disableDelayedDrag);
			_off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
			_off(ownerDocument, 'mousemove', this._disableDelayedDrag);
			_off(ownerDocument, 'touchmove', this._disableDelayedDrag);
			_off(ownerDocument, 'pointermove', this._disableDelayedDrag);
		},

_triggerDragStart: function (/** Event */evt, /** Touch */touch) {
			touch = touch || (evt.pointerType == 'touch' ? evt : null);

if (touch) {
				// Touch device support
				tapEvt = {
					target: dragEl,
					clientX: touch.clientX,
					clientY: touch.clientY
				};

this._onDragStart(tapEvt, 'touch');
			}
			else if (!this.nativeDraggable) {
				this._onDragStart(tapEvt, true);
			}
			else {
				_on(dragEl, 'dragend', this);
				_on(rootEl, 'dragstart', this._onDragStart);
			}

try {
				if (document.selection) {					
					// Timeout neccessary for IE9					
					setTimeout(function () {
						document.selection.empty();
					});					
				} else {
					window.getSelection().removeAllRanges();
				}
			} catch (err) {
			}
		},

_dragStarted: function () {
			if (rootEl && dragEl) {
				var options = this.options;

// Apply effect
				_toggleClass(dragEl, options.ghostClass, true);
				_toggleClass(dragEl, options.dragClass, false);

Sortable.active = this;

// Drag start event
				_dispatchEvent(this, rootEl, 'start', dragEl, rootEl, oldIndex);
			} else {
				this._nulling();
			}
		},

_emulateDragOver: function () {
			if (touchEvt) {
				if (this._lastX === touchEvt.clientX && this._lastY === touchEvt.clientY) {
					return;
				}

this._lastX = touchEvt.clientX;
				this._lastY = touchEvt.clientY;

if (!supportCssPointerEvents) {
					_css(ghostEl, 'display', 'none');
				}

var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY),
					parent = target,
					i = touchDragOverListeners.length;

if (parent) {
					do {
						if (parent[expando]) {
							while (i--) {
								touchDragOverListeners[i]({
									clientX: touchEvt.clientX,
									clientY: touchEvt.clientY,
									target: target,
									rootEl: parent
								});
							}

break;
						}

target = parent; // store last element
					}
					/* jshint boss:true */
					while (parent = parent.parentNode);
				}

if (!supportCssPointerEvents) {
					_css(ghostEl, 'display', '');
				}
			}
		},

_onTouchMove: function (/**TouchEvent*/evt) {
			if (tapEvt) {
				var	options = this.options,
					fallbackTolerance = options.fallbackTolerance,
					fallbackOffset = options.fallbackOffset,
					touch = evt.touches ? evt.touches[0] : evt,
					dx = (touch.clientX - tapEvt.clientX) + fallbackOffset.x,
					dy = (touch.clientY - tapEvt.clientY) + fallbackOffset.y,
					translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)';

// only set the status to dragging, when we are actually dragging
				if (!Sortable.active) {
					if (fallbackTolerance &&
						min(abs(touch.clientX - this._lastX), abs(touch.clientY - this._lastY)) < fallbackTolerance
					) {
						return;
					}

this._dragStarted();
				}

// as well as creating the ghost element on the document body
				this._appendGhost();

moved = true;
				touchEvt = touch;

_css(ghostEl, 'webkitTransform', translate3d);
				_css(ghostEl, 'mozTransform', translate3d);
				_css(ghostEl, 'msTransform', translate3d);
				_css(ghostEl, 'transform', translate3d);

evt.preventDefault();
			}
		},

_appendGhost: function () {
			if (!ghostEl) {
				var rect = dragEl.getBoundingClientRect(),
					css = _css(dragEl),
					options = this.options,
					ghostRect;

ghostEl = dragEl.cloneNode(true);

_toggleClass(ghostEl, options.ghostClass, false);
				_toggleClass(ghostEl, options.fallbackClass, true);
				_toggleClass(ghostEl, options.dragClass, true);

_css(ghostEl, 'top', rect.top - parseInt(css.marginTop, 10));
				_css(ghostEl, 'left', rect.left - parseInt(css.marginLeft, 10));
				_css(ghostEl, 'width', rect.width);
				_css(ghostEl, 'height', rect.height);
				_css(ghostEl, 'opacity', '0.8');
				_css(ghostEl, 'position', 'fixed');
				_css(ghostEl, 'zIndex', '100000');
				_css(ghostEl, 'pointerEvents', 'none');

options.fallbackOnBody && document.body.appendChild(ghostEl) || rootEl.appendChild(ghostEl);

// Fixing dimensions.
				ghostRect = ghostEl.getBoundingClientRect();
				_css(ghostEl, 'width', rect.width * 2 - ghostRect.width);
				_css(ghostEl, 'height', rect.height * 2 - ghostRect.height);
			}
		},

_onDragStart: function (/**Event*/evt, /**boolean*/useFallback) {
			var dataTransfer = evt.dataTransfer,
				options = this.options;

this._offUpEvents();

if (activeGroup.checkPull(this, this, dragEl, evt)) {
				cloneEl = _clone(dragEl);

cloneEl.draggable = false;
				cloneEl.style['will-change'] = '';

_css(cloneEl, 'display', 'none');
				_toggleClass(cloneEl, this.options.chosenClass, false);

rootEl.insertBefore(cloneEl, dragEl);
				_dispatchEvent(this, rootEl, 'clone', dragEl);
			}

_toggleClass(dragEl, options.dragClass, true);

if (useFallback) {
				if (useFallback === 'touch') {
					// Bind touch events
					_on(document, 'touchmove', this._onTouchMove);
					_on(document, 'touchend', this._onDrop);
					_on(document, 'touchcancel', this._onDrop);
					_on(document, 'pointermove', this._onTouchMove);
					_on(document, 'pointerup', this._onDrop);
				} else {
					// Old brwoser
					_on(document, 'mousemove', this._onTouchMove);
					_on(document, 'mouseup', this._onDrop);
				}

this._loopId = setInterval(this._emulateDragOver, 50);
			}
			else {
				if (dataTransfer) {
					dataTransfer.effectAllowed = 'move';
					options.setData && options.setData.call(this, dataTransfer, dragEl);
				}

_on(document, 'drop', this);
				setTimeout(this._dragStarted, 0);
			}
		},

_onDragOver: function (/**Event*/evt) {
			var el = this.el,
				target,
				dragRect,
				targetRect,
				revert,
				options = this.options,
				group = options.group,
				activeSortable = Sortable.active,
				isOwner = (activeGroup === group),
				isMovingBetweenSortable = false,
				canSort = options.sort;

if (evt.preventDefault !== void 0) {
				evt.preventDefault();
				!options.dragoverBubble && evt.stopPropagation();
			}

if (dragEl.animated) {
				return;
			}

moved = true;

if (activeSortable && !options.disabled &&
				(isOwner
					? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
					: (
						putSortable === this ||
						(
							(activeSortable.lastPullMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) &&
							group.checkPut(this, activeSortable, dragEl, evt)
						)
					)
				) &&
				(evt.rootEl === void 0 || evt.rootEl === this.el) // touch fallback
			) {
				// Smart auto-scrolling
				_autoScroll(evt, options, this.el);

if (_silent) {
					return;
				}

target = _closest(evt.target, options.draggable, el);
				dragRect = dragEl.getBoundingClientRect();

if (putSortable !== this) {
					putSortable = this;
					isMovingBetweenSortable = true;
				}

if (revert) {
					_cloneHide(activeSortable, true);
					parentEl = rootEl; // actualization

if (cloneEl || nextEl) {
						rootEl.insertBefore(dragEl, cloneEl || nextEl);
					}
					else if (!canSort) {
						rootEl.appendChild(dragEl);
					}

return;
				}

if ((el.children.length === 0) || (el.children[0] === ghostEl) ||
					(el === evt.target) && (target = _ghostIsLast(el, evt))
				) {
					if (target) {
						if (target.animated) {
							return;
						}

targetRect = target.getBoundingClientRect();
					}

_cloneHide(activeSortable, isOwner);

if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt) !== false) {
						if (!dragEl.contains(el)) {
							el.appendChild(dragEl);
							parentEl = el; // actualization
						}

this._animate(dragRect, dragEl);
						target && this._animate(targetRect, target);
					}
				}
				else if (target && !target.animated && target !== dragEl && (target.parentNode[expando] !== void 0)) {
					if (lastEl !== target) {
						lastEl = target;
						lastCSS = _css(target);
						lastParentCSS = _css(target.parentNode);
					}

targetRect = target.getBoundingClientRect();

var width = targetRect.right - targetRect.left,
						height = targetRect.bottom - targetRect.top,
						floating = R_FLOAT.test(lastCSS.cssFloat + lastCSS.display)
							|| (lastParentCSS.display == 'flex' && lastParentCSS['flex-direction'].indexOf('row') === 0),
						isWide = (target.offsetWidth > dragEl.offsetWidth),
						isLong = (target.offsetHeight > dragEl.offsetHeight),
						halfway = (floating ? (evt.clientX - targetRect.left) / width : (evt.clientY - targetRect.top) / height) > 0.5,
						nextSibling = target.nextElementSibling,
						moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt),
						after = false
					;

if (moveVector !== false) {
						_silent = true;
						setTimeout(_unsilent, 30);

_cloneHide(activeSortable, isOwner);

if (moveVector === 1 || moveVector === -1) {
							after = (moveVector === 1);
						}
						else if (floating) {
							var elTop = dragEl.offsetTop,
								tgTop = target.offsetTop;

if (elTop === tgTop) {
								after = (target.previousElementSibling === dragEl) && !isWide || halfway && isWide;
							}
							else if (target.previousElementSibling === dragEl || dragEl.previousElementSibling === target) {
								after = (evt.clientY - targetRect.top) / height > 0.5;
							} else {
								after = tgTop > elTop;
							}
						} else if (!isMovingBetweenSortable) {
							after = (nextSibling !== dragEl) && !isLong || halfway && isLong;
						}

if (!dragEl.contains(el)) {
							if (after && !nextSibling) {
								el.appendChild(dragEl);
							} else {
								target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
							}
						}

parentEl = dragEl.parentNode; // actualization

this._animate(dragRect, dragEl);
						this._animate(targetRect, target);
					}
				}
			}
		},

_animate: function (prevRect, target) {
			var ms = this.options.animation;

if (ms) {
				var currentRect = target.getBoundingClientRect();

if (prevRect.nodeType === 1) {
					prevRect = prevRect.getBoundingClientRect();
				}

_css(target, 'transition', 'none');
				_css(target, 'transform', 'translate3d('
					+ (prevRect.left - currentRect.left) + 'px,'
					+ (prevRect.top - currentRect.top) + 'px,0)'
				);

target.offsetWidth; // repaint

_css(target, 'transition', 'all ' + ms + 'ms');
				_css(target, 'transform', 'translate3d(0,0,0)');

clearTimeout(target.animated);
				target.animated = setTimeout(function () {
					_css(target, 'transition', '');
					_css(target, 'transform', '');
					target.animated = false;
				}, ms);
			}
		},

_offUpEvents: function () {
			var ownerDocument = this.el.ownerDocument;

_off(document, 'touchmove', this._onTouchMove);
			_off(document, 'pointermove', this._onTouchMove);
			_off(ownerDocument, 'mouseup', this._onDrop);
			_off(ownerDocument, 'touchend', this._onDrop);
			_off(ownerDocument, 'pointerup', this._onDrop);
			_off(ownerDocument, 'touchcancel', this._onDrop);
			_off(ownerDocument, 'selectstart', this);
		},

_onDrop: function (/**Event*/evt) {
			var el = this.el,
				options = this.options;

clearInterval(this._loopId);
			clearInterval(autoScroll.pid);
			clearTimeout(this._dragStartTimer);

// Unbind events
			_off(document, 'mousemove', this._onTouchMove);

if (this.nativeDraggable) {
				_off(document, 'drop', this);
				_off(el, 'dragstart', this._onDragStart);
			}

this._offUpEvents();

if (evt) {
				if (moved) {
					evt.preventDefault();
					!options.dropBubble && evt.stopPropagation();
				}

ghostEl && ghostEl.parentNode.removeChild(ghostEl);

if (rootEl === parentEl || Sortable.active.lastPullMode !== 'clone') {
					// Remove clone
					cloneEl && cloneEl.parentNode.removeChild(cloneEl);
				}

if (dragEl) {
					if (this.nativeDraggable) {
						_off(dragEl, 'dragend', this);
					}

_disableDraggable(dragEl);
					dragEl.style['will-change'] = '';

// Remove class's
					_toggleClass(dragEl, this.options.ghostClass, false);
					_toggleClass(dragEl, this.options.chosenClass, false);

if (rootEl !== parentEl) {
						newIndex = _index(dragEl, options.draggable);

if (newIndex >= 0) {
							// Add event
							_dispatchEvent(null, parentEl, 'add', dragEl, rootEl, oldIndex, newIndex);

// Remove event
							_dispatchEvent(this, rootEl, 'remove', dragEl, rootEl, oldIndex, newIndex);

// drag from one list and drop into another
							_dispatchEvent(null, parentEl, 'sort', dragEl, rootEl, oldIndex, newIndex);
							_dispatchEvent(this, rootEl, 'sort', dragEl, rootEl, oldIndex, newIndex);
						}
					}
					else {
						if (dragEl.nextSibling !== nextEl) {
							// Get the index of the dragged element within its parent
							newIndex = _index(dragEl, options.draggable);

if (newIndex >= 0) {
								// drag & drop within the same list
								_dispatchEvent(this, rootEl, 'update', dragEl, rootEl, oldIndex, newIndex);
								_dispatchEvent(this, rootEl, 'sort', dragEl, rootEl, oldIndex, newIndex);
							}
						}
					}

if (Sortable.active) {
						/* jshint eqnull:true */
						if (newIndex == null || newIndex === -1) {
							newIndex = oldIndex;
						}

_dispatchEvent(this, rootEl, 'end', dragEl, rootEl, oldIndex, newIndex);

// Save sorting
						this.save();
					}
				}

}

this._nulling();
		},

_nulling: function() {
			rootEl =
			dragEl =
			parentEl =
			ghostEl =
			nextEl =
			cloneEl =
			lastDownEl =

scrollEl =
			scrollParentEl =

tapEvt =
			touchEvt =

moved =
			newIndex =

lastEl =
			lastCSS =

putSortable =
			activeGroup =
			Sortable.active = null;

savedInputChecked.forEach(function (el) {
				el.checked = true;
			});
			savedInputChecked.length = 0;
		},

handleEvent: function (/**Event*/evt) {
			switch (evt.type) {
				case 'drop':
				case 'dragend':
					this._onDrop(evt);
					break;

case 'dragover':
				case 'dragenter':
					if (dragEl) {
						this._onDragOver(evt);
						_globalDragOver(evt);
					}
					break;

case 'selectstart':
					evt.preventDefault();
					break;
			}
		},

/**
		 * Serializes the item into an array of string.
		 * @returns {String[]}
		 */
		toArray: function () {
			var order = [],
				el,
				children = this.el.children,
				i = 0,
				n = children.length,
				options = this.options;

for (; i < n; i++) {
				el = children[i];
				if (_closest(el, options.draggable, this.el)) {
					order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
				}
			}

return order;
		},

/**
		 * Sorts the elements according to the array.
		 * @param  {String[]}  order  order of the items
		 */
		sort: function (order) {
			var items = {}, rootEl = this.el;

this.toArray().forEach(function (id, i) {
				var el = rootEl.children[i];

if (_closest(el, this.options.draggable, rootEl)) {
					items[id] = el;
				}
			}, this);

order.forEach(function (id) {
				if (items[id]) {
					rootEl.removeChild(items[id]);
					rootEl.appendChild(items[id]);
				}
			});
		},

/**
		 * Save the current sorting
		 */
		save: function () {
			var store = this.options.store;
			store && store.set(this);
		},

/**
		 * 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.
		 * @param   {HTMLElement}  el
		 * @param   {String}       [selector]  default: `options.draggable`
		 * @returns {HTMLElement|null}
		 */
		closest: function (el, selector) {
			return _closest(el, selector || this.options.draggable, this.el);
		},

/**
		 * Set/get option
		 * @param   {string} name
		 * @param   {*}      [value]
		 * @returns {*}
		 */
		option: function (name, value) {
			var options = this.options;

if (value === void 0) {
				return options[name];
			} else {
				options[name] = value;

if (name === 'group') {
					_prepareGroup(options);
				}
			}
		},

/**
		 * Destroy
		 */
		destroy: function () {
			var el = this.el;

el[expando] = null;

_off(el, 'mousedown', this._onTapStart);
			_off(el, 'touchstart', this._onTapStart);
			_off(el, 'pointerdown', this._onTapStart);

if (this.nativeDraggable) {
				_off(el, 'dragover', this);
				_off(el, 'dragenter', this);
			}

// Remove draggable attributes
			Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
				el.removeAttribute('draggable');
			});

touchDragOverListeners.splice(touchDragOverListeners.indexOf(this._onDragOver), 1);

this._onDrop();

this.el = el = null;
		}
	};

function _cloneHide(sortable, state) {
		if (sortable.lastPullMode !== 'clone') {
			state = true;
		}

if (cloneEl && (cloneEl.state !== state)) {
			_css(cloneEl, 'display', state ? 'none' : '');

if (!state) {
				if (cloneEl.state) {
					if (sortable.options.group.revertClone) {
						rootEl.insertBefore(cloneEl, nextEl);
						sortable._animate(dragEl, cloneEl);
					} else {
						rootEl.insertBefore(cloneEl, dragEl);
					}
				}
			}

cloneEl.state = state;
		}
	}

function _closest(/**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx) {
		if (el) {
			ctx = ctx || document;

do {
				if ((selector === '>*' && el.parentNode === ctx) || _matches(el, selector)) {
					return el;
				}
				/* jshint boss:true */
			} while (el = _getParentOrHost(el));
		}

return null;
	}

function _getParentOrHost(el) {
		var parent = el.host;

return (parent && parent.nodeType) ? parent : el.parentNode;
	}

function _globalDragOver(/**Event*/evt) {
		if (evt.dataTransfer) {
			evt.dataTransfer.dropEffect = 'move';
		}
		evt.preventDefault();
	}

function _on(el, event, fn) {
		el.addEventListener(event, fn, captureMode);
	}

function _off(el, event, fn) {
		el.removeEventListener(event, fn, captureMode);
	}

function _css(el, prop, val) {
		var style = el && el.style;

if (style) {
			if (val === void 0) {
				if (document.defaultView && document.defaultView.getComputedStyle) {
					val = document.defaultView.getComputedStyle(el, '');
				}
				else if (el.currentStyle) {
					val = el.currentStyle;
				}

return prop === void 0 ? val : val[prop];
			}
			else {
				if (!(prop in style)) {
					prop = '-webkit-' + prop;
				}

style[prop] = val + (typeof val === 'string' ? '' : 'px');
			}
		}
	}

function _find(ctx, tagName, iterator) {
		if (ctx) {
			var list = ctx.getElementsByTagName(tagName), i = 0, n = list.length;

if (iterator) {
				for (; i < n; i++) {
					iterator(list[i], i);
				}
			}

return list;
		}

return [];
	}

function _dispatchEvent(sortable, rootEl, name, targetEl, fromEl, startIndex, newIndex) {
		sortable = (sortable || rootEl[expando]);

var evt = document.createEvent('Event'),
			options = sortable.options,
			onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);

evt.initEvent(name, true, true);

evt.to = rootEl;
		evt.from = fromEl || rootEl;
		evt.item = targetEl || rootEl;
		evt.clone = cloneEl;

evt.oldIndex = startIndex;
		evt.newIndex = newIndex;

rootEl.dispatchEvent(evt);

if (options[onName]) {
			options[onName].call(sortable, evt);
		}
	}

function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvt) {
		var evt,
			sortable = fromEl[expando],
			onMoveFn = sortable.options.onMove,
			retVal;

evt = document.createEvent('Event');
		evt.initEvent('move', true, true);

evt.to = toEl;
		evt.from = fromEl;
		evt.dragged = dragEl;
		evt.draggedRect = dragRect;
		evt.related = targetEl || toEl;
		evt.relatedRect = targetRect || toEl.getBoundingClientRect();

fromEl.dispatchEvent(evt);

if (onMoveFn) {
			retVal = onMoveFn.call(sortable, evt, originalEvt);
		}

return retVal;
	}

function _disableDraggable(el) {
		el.draggable = false;
	}

function _unsilent() {
		_silent = false;
	}

/** @returns {HTMLElement|false} */
	function _ghostIsLast(el, evt) {
		var lastEl = el.lastElementChild,
			rect = lastEl.getBoundingClientRect();

// 5 — min delta
		// abs — нельзя добавлять, а то глюки при наведении сверху
		return (
			(evt.clientY - (rect.top + rect.height) > 5) ||
			(evt.clientX - (rect.right + rect.width) > 5)
		) && lastEl;
	}

/**
	 * Generate id
	 * @param   {HTMLElement} el
	 * @returns {String}
	 * @private
	 */
	function _generateId(el) {
		var str = el.tagName + el.className + el.src + el.href + el.textContent,
			i = str.length,
			sum = 0;

while (i--) {
			sum += str.charCodeAt(i);
		}

return sum.toString(36);
	}

/**
	 * Returns the index of an element within its parent for a selected set of
	 * elements
	 * @param  {HTMLElement} el
	 * @param  {selector} selector
	 * @return {number}
	 */
	function _index(el, selector) {
		var index = 0;

if (!el || !el.parentNode) {
			return -1;
		}

while (el && (el = el.previousElementSibling)) {
			if ((el.nodeName.toUpperCase() !== 'TEMPLATE') && (selector === '>*' || _matches(el, selector))) {
				index++;
			}
		}

return index;
	}

function _matches(/**HTMLElement*/el, /**String*/selector) {
		if (el) {
			selector = selector.split('.');

var tag = selector.shift().toUpperCase(),
				re = new RegExp('\\s(' + selector.join('|') + ')(?=\\s)', 'g');

return (
				(tag === '' || el.nodeName.toUpperCase() == tag) &&
				(!selector.length || ((' ' + el.className + ' ').match(re) || []).length == selector.length)
			);
		}

return false;
	}

function _throttle(callback, ms) {
		var args, _this;

return function () {
			if (args === void 0) {
				args = arguments;
				_this = this;

setTimeout(function () {
					if (args.length === 1) {
						callback.call(_this, args[0]);
					} else {
						callback.apply(_this, args);
					}

args = void 0;
				}, ms);
			}
		};
	}

function _extend(dst, src) {
		if (dst && src) {
			for (var key in src) {
				if (src.hasOwnProperty(key)) {
					dst[key] = src[key];
				}
			}
		}

return dst;
	}

function _clone(el) {
		return $
			? $(el).clone(true)[0]
			: (Polymer && Polymer.dom
				? Polymer.dom(el).cloneNode(true)
				: el.cloneNode(true)
			);
	}

function _saveInputCheckedState(root) {
		var inputs = root.getElementsByTagName('input');
		var idx = inputs.length;

while (idx--) {
			var el = inputs[idx];
			el.checked && savedInputChecked.push(el);
		}
	}

// Fixed #973: 
	_on(document, 'touchmove', function (evt) {
		if (Sortable.active) {
			evt.preventDefault();
		}
	});

try {
		window.addEventListener('test', null, Object.defineProperty({}, 'passive', {
			get: function () {
				captureMode = {
					capture: false,
					passive: false
				};
			}
		}));
	} catch (err) {}

// Export utils
	Sortable.utils = {
		on: _on,
		off: _off,
		css: _css,
		find: _find,
		is: function (el, selector) {
			return !!_closest(el, selector, el);
		},
		extend: _extend,
		throttle: _throttle,
		closest: _closest,
		toggleClass: _toggleClass,
		clone: _clone,
		index: _index
	};

/**
	 * Create sortable instance
	 * @param {HTMLElement}  el
	 * @param {Object}      [options]
	 */
	Sortable.create = function (el, options) {
		return new Sortable(el, options);
	};

// Export
	Sortable.version = '1.5.1';
	return Sortable;
});

İptal

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📝 sortable.js

📝 sortable.js

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