/**! * Sortable 1.10.2 * @author RubaXa * @author owenm * @license MIT */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global = global || self, global.Sortable = factory()); }(this, function () { 'use strict'; function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); } function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; } function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; } function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; } function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); } function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } } function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); } function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); } var version = "1.10.2"; function userAgent(pattern) { if (typeof window !== 'undefined' && window.navigator) { return !! /*@__PURE__*/ navigator.userAgent.match(pattern); } } var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i); var Edge = userAgent(/Edge/i); var FireFox = userAgent(/firefox/i); var Safari = userAgent(/safari/i) && !userAgent(/chrome/i) && !userAgent(/android/i); var IOS = userAgent(/iP(ad|od|hone)/i); var ChromeForAndroid = userAgent(/chrome/i) && userAgent(/android/i); var captureMode = { capture: false, passive: false }; function on(el, event, fn) { el.addEventListener(event, fn, !IE11OrLess && captureMode); } function off(el, event, fn) { el.removeEventListener(event, fn, !IE11OrLess && captureMode); } function matches( /**HTMLElement*/ el, /**String*/ selector) { if (!selector) return; selector[0] === '>' && (selector = selector.substring(1)); if (el) { try { if (el.matches) { return el.matches(selector); } else if (el.msMatchesSelector) { return el.msMatchesSelector(selector); } else if (el.webkitMatchesSelector) { return el.webkitMatchesSelector(selector); } } catch (_) { return false; } } return false; } function getParentOrHost(el) { return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode; } function closest( /**HTMLElement*/ el, /**String*/ selector, /**HTMLElement*/ ctx, includeCTX) { if (el) { ctx = ctx || document; do { if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) { return el; } if (el === ctx) break; /* jshint boss:true */ } while (el = getParentOrHost(el)); } return null; } var R_SPACE = /\s+/g; function toggleClass(el, name, state) { if (el && name) { if (el.classList) { el.classList[state ? 'add' : 'remove'](name); } else { var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' '); el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' '); } } } 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.indexOf('webkit') === -1) { prop = '-webkit-' + prop; } style[prop] = val + (typeof val === 'string' ? '' : 'px'); } } } function matrix(el, selfOnly) { var appliedTransforms = ''; if (typeof el === 'string') { appliedTransforms = el; } else { do { var transform = css(el, 'transform'); if (transform && transform !== 'none') { appliedTransforms = transform + ' ' + appliedTransforms; } /* jshint boss:true */ } while (!selfOnly && (el = el.parentNode)); } var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix; /*jshint -W056 */ return matrixFn && new matrixFn(appliedTransforms); } 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 getWindowScrollingElement() { var scrollingElement = document.scrollingElement; if (scrollingElement) { return scrollingElement; } else { return document.documentElement; } } /** * Returns the "bounding client rect" of given element * @param {HTMLElement} el The element whose boundingClientRect is wanted * @param {[Boolean]} relativeToContainingBlock Whether the rect should be relative to the containing block of (including) the container * @param {[Boolean]} relativeToNonStaticParent Whether the rect should be relative to the relative parent of (including) the contaienr * @param {[Boolean]} undoScale Whether the container's scale() should be undone * @param {[HTMLElement]} container The parent the element will be placed in * @return {Object} The boundingClientRect of el, with specified adjustments */ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) { if (!el.getBoundingClientRect && el !== window) return; var elRect, top, left, bottom, right, height, width; if (el !== window && el !== getWindowScrollingElement()) { elRect = el.getBoundingClientRect(); top = elRect.top; left = elRect.left; bottom = elRect.bottom; right = elRect.right; height = elRect.height; width = elRect.width; } else { top = 0; left = 0; bottom = window.innerHeight; right = window.innerWidth; height = window.innerHeight; width = window.innerWidth; } if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) { // Adjust for translate() container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312) // Not needed on <= IE11 if (!IE11OrLess) { do { if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) { var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container top -= containerRect.top + parseInt(css(container, 'border-top-width')); left -= containerRect.left + parseInt(css(container, 'border-left-width')); bottom = top + elRect.height; right = left + elRect.width; break; } /* jshint boss:true */ } while (container = container.parentNode); } } if (undoScale && el !== window) { // Adjust for scale() var elMatrix = matrix(container || el), scaleX = elMatrix && elMatrix.a, scaleY = elMatrix && elMatrix.d; if (elMatrix) { top /= scaleY; left /= scaleX; width /= scaleX; height /= scaleY; bottom = top + height; right = left + width; } } return { top: top, left: left, bottom: bottom, right: right, width: width, height: height }; } /** * Checks if a side of an element is scrolled past a side of its parents * @param {HTMLElement} el The element who's side being scrolled out of view is in question * @param {String} elSide Side of the element in question ('top', 'left', 'right', 'bottom') * @param {String} parentSide Side of the parent in question ('top', 'left', 'right', 'bottom') * @return {HTMLElement} The parent scroll element that the el's side is scrolled past, or null if there is no such element */ function isScrolledPast(el, elSide, parentSide) { var parent = getParentAutoScrollElement(el, true), elSideVal = getRect(el)[elSide]; /* jshint boss:true */ while (parent) { var parentSideVal = getRect(parent)[parentSide], visible = void 0; if (parentSide === 'top' || parentSide === 'left') { visible = elSideVal >= parentSideVal; } else { visible = elSideVal <= parentSideVal; } if (!visible) return parent; if (parent === getWindowScrollingElement()) break; parent = getParentAutoScrollElement(parent, false); } return false; } /** * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible) * and non-draggable elements * @param {HTMLElement} el The parent element * @param {Number} childNum The index of the child * @param {Object} options Parent Sortable's options * @return {HTMLElement} The child at index childNum, or null if not found */ function getChild(el, childNum, options) { var currentChild = 0, i = 0, children = el.children; while (i < children.length) { if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) { if (currentChild === childNum) { return children[i]; } currentChild++; } i++; } return null; } /** * Gets the last child in the el, ignoring ghostEl or invisible elements (clones) * @param {HTMLElement} el Parent element * @param {selector} selector Any other elements that should be ignored * @return {HTMLElement} The last child, ignoring ghostEl */ function lastChild(el, selector) { var last = el.lastElementChild; while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) { last = last.previousElementSibling; } return last || null; } /** * 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; } /* jshint boss:true */ while (el = el.previousElementSibling) { if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) { index++; } } return index; } /** * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements. * The value is returned in real pixels. * @param {HTMLElement} el * @return {Array} Offsets in the format of [left, top] */ function getRelativeScrollOffset(el) { var offsetLeft = 0, offsetTop = 0, winScroller = getWindowScrollingElement(); if (el) { do { var elMatrix = matrix(el), scaleX = elMatrix.a, scaleY = elMatrix.d; offsetLeft += el.scrollLeft * scaleX; offsetTop += el.scrollTop * scaleY; } while (el !== winScroller && (el = el.parentNode)); } return [offsetLeft, offsetTop]; } /** * Returns the index of the object within the given array * @param {Array} arr Array that may or may not hold the object * @param {Object} obj An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find * @return {Number} The index of the object in the array, or -1 */ function indexOfObject(arr, obj) { for (var i in arr) { if (!arr.hasOwnProperty(i)) continue; for (var key in obj) { if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i); } } return -1; } function getParentAutoScrollElement(el, includeSelf) { // skip to window if (!el || !el.getBoundingClientRect) return getWindowScrollingElement(); var elem = el; var gotSelf = false; do { // we don't need to get elem css if it isn't even overflowing in the first place (performance) if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) { var elemCSS = css(elem); if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) { if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement(); if (gotSelf || includeSelf) return elem; gotSelf = true; } } /* jshint boss:true */ } while (elem = elem.parentNode); return getWindowScrollingElement(); } function extend(dst, src) { if (dst && src) { for (var key in src) { if (src.hasOwnProperty(key)) { dst[key] = src[key]; } } } return dst; } function isRectEqual(rect1, rect2) { return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width); } var _throttleTimeout; function throttle(callback, ms) { return function () { if (!_throttleTimeout) { var args = arguments, _this = this; if (args.length === 1) { callback.call(_this, args[0]); } else { callback.apply(_this, args); } _throttleTimeout = setTimeout(function () { _throttleTimeout = void 0; }, ms); } }; } function cancelThrottle() { clearTimeout(_throttleTimeout); _throttleTimeout = void 0; } function scrollBy(el, x, y) { el.scrollLeft += x; el.scrollTop += y; } function clone(el) { var Polymer = window.Polymer; var $ = window.jQuery || window.Zepto; if (Polymer && Polymer.dom) { return Polymer.dom(el).cloneNode(true); } else if ($) { return $(el).clone(true)[0]; } else { return el.cloneNode(true); } } function setRect(el, rect) { css(el, 'position', 'absolute'); css(el, 'top', rect.top); css(el, 'left', rect.left); css(el, 'width', rect.width); css(el, 'height', rect.height); } function unsetRect(el) { css(el, 'position', ''); css(el, 'top', ''); css(el, 'left', ''); css(el, 'width', ''); css(el, 'height', ''); } var expando = 'Sortable' + new Date().getTime(); function AnimationStateManager() { var animationStates = [], animationCallbackId; return { captureAnimationState: function captureAnimationState() { animationStates = []; if (!this.options.animation) return; var children = [].slice.call(this.el.children); children.forEach(function (child) { if (css(child, 'display') === 'none' || child === Sortable.ghost) return; animationStates.push({ target: child, rect: getRect(child) }); var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation if (child.thisAnimationDuration) { var childMatrix = matrix(child, true); if (childMatrix) { fromRect.top -= childMatrix.f; fromRect.left -= childMatrix.e; } } child.fromRect = fromRect; }); }, addAnimationState: function addAnimationState(state) { animationStates.push(state); }, removeAnimationState: function removeAnimationState(target) { animationStates.splice(indexOfObject(animationStates, { target: target }), 1); }, animateAll: function animateAll(callback) { var _this = this; if (!this.options.animation) { clearTimeout(animationCallbackId); if (typeof callback === 'function') callback(); return; } var animating = false, animationTime = 0; animationStates.forEach(function (state) { var time = 0, target = state.target, fromRect = target.fromRect, toRect = getRect(target), prevFromRect = target.prevFromRect, prevToRect = target.prevToRect, animatingRect = state.rect, targetMatrix = matrix(target, true); if (targetMatrix) { // Compensate for current animation toRect.top -= targetMatrix.f; toRect.left -= targetMatrix.e; } target.toRect = toRect; if (target.thisAnimationDuration) { // Could also check if animatingRect is between fromRect and toRect if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) { // If returning to same place as started from animation and on same axis time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options); } } // if fromRect != toRect: animate if (!isRectEqual(toRect, fromRect)) { target.prevFromRect = fromRect; target.prevToRect = toRect; if (!time) { time = _this.options.animation; } _this.animate(target, animatingRect, toRect, time); } if (time) { animating = true; animationTime = Math.max(animationTime, time); clearTimeout(target.animationResetTimer); target.animationResetTimer = setTimeout(function () { target.animationTime = 0; target.prevFromRect = null; target.fromRect = null; target.prevToRect = null; target.thisAnimationDuration = null; }, time); target.thisAnimationDuration = time; } }); clearTimeout(animationCallbackId); if (!animating) { if (typeof callback === 'function') callback(); } else { animationCallbackId = setTimeout(function () { if (typeof callback === 'function') callback(); }, animationTime); } animationStates = []; }, animate: function animate(target, currentRect, toRect, duration) { if (duration) { css(target, 'transition', ''); css(target, 'transform', ''); var elMatrix = matrix(this.el), scaleX = elMatrix && elMatrix.a, scaleY = elMatrix && elMatrix.d, translateX = (currentRect.left - toRect.left) / (scaleX || 1), translateY = (currentRect.top - toRect.top) / (scaleY || 1); target.animatingX = !!translateX; target.animatingY = !!translateY; css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)'); repaint(target); // repaint css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : '')); css(target, 'transform', 'translate3d(0,0,0)'); typeof target.animated === 'number' && clearTimeout(target.animated); target.animated = setTimeout(function () { css(target, 'transition', ''); css(target, 'transform', ''); target.animated = false; target.animatingX = false; target.animatingY = false; }, duration); } } }; } function repaint(target) { return target.offsetWidth; } function calculateRealTime(animatingRect, fromRect, toRect, options) { return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation; } var plugins = []; var defaults = { initializeByDefault: true }; var PluginManager = { mount: function mount(plugin) { // Set default static properties for (var option in defaults) { if (defaults.hasOwnProperty(option) && !(option in plugin)) { plugin[option] = defaults[option]; } } plugins.push(plugin); }, pluginEvent: function pluginEvent(eventName, sortable, evt) { var _this = this; this.eventCanceled = false; evt.cancel = function () { _this.eventCanceled = true; }; var eventNameGlobal = eventName + 'Global'; plugins.forEach(function (plugin) { if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable if (sortable[plugin.pluginName][eventNameGlobal]) { sortable[plugin.pluginName][eventNameGlobal](_objectSpread({ sortable: sortable }, evt)); } // Only fire plugin event if plugin is enabled in this sortable, // and plugin has event defined if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) { sortable[plugin.pluginName][eventName](_objectSpread({ sortable: sortable }, evt)); } }); }, initializePlugins: function initializePlugins(sortable, el, defaults, options) { plugins.forEach(function (plugin) { var pluginName = plugin.pluginName; if (!sortable.options[pluginName] && !plugin.initializeByDefault) return; var initialized = new plugin(sortable, el, sortable.options); initialized.sortable = sortable; initialized.options = sortable.options; sortable[pluginName] = initialized; // Add default options from plugin _extends(defaults, initialized.defaults); }); for (var option in sortable.options) { if (!sortable.options.hasOwnProperty(option)) continue; var modified = this.modifyOption(sortable, option, sortable.options[option]); if (typeof modified !== 'undefined') { sortable.options[option] = modified; } } }, getEventProperties: function getEventProperties(name, sortable) { var eventProperties = {}; plugins.forEach(function (plugin) { if (typeof plugin.eventProperties !== 'function') return; _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name)); }); return eventProperties; }, modifyOption: function modifyOption(sortable, name, value) { var modifiedValue; plugins.forEach(function (plugin) { // Plugin must exist on the Sortable if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') { modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value); } }); return modifiedValue; } }; function dispatchEvent(_ref) { var sortable = _ref.sortable, rootEl = _ref.rootEl, name = _ref.name, targetEl = _ref.targetEl, cloneEl = _ref.cloneEl, toEl = _ref.toEl, fromEl = _ref.fromEl, oldIndex = _ref.oldIndex, newIndex = _ref.newIndex, oldDraggableIndex = _ref.oldDraggableIndex, newDraggableIndex = _ref.newDraggableIndex, originalEvent = _ref.originalEvent, putSortable = _ref.putSortable, extraEventProperties = _ref.extraEventProperties; sortable = sortable || rootEl && rootEl[expando]; if (!sortable) return; var evt, options = sortable.options, onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature if (window.CustomEvent && !IE11OrLess && !Edge) { evt = new CustomEvent(name, { bubbles: true, cancelable: true }); } else { evt = document.createEvent('Event'); evt.initEvent(name, true, true); } evt.to = toEl || rootEl; evt.from = fromEl || rootEl; evt.item = targetEl || rootEl; evt.clone = cloneEl; evt.oldIndex = oldIndex; evt.newIndex = newIndex; evt.oldDraggableIndex = oldDraggableIndex; evt.newDraggableIndex = newDraggableIndex; evt.originalEvent = originalEvent; evt.pullMode = putSortable ? putSortable.lastPutMode : undefined; var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable)); for (var option in allEventProperties) { evt[option] = allEventProperties[option]; } if (rootEl) { rootEl.dispatchEvent(evt); } if (options[onName]) { options[onName].call(sortable, evt); } } var pluginEvent = function pluginEvent(eventName, sortable) { var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}, originalEvent = _ref.evt, data = _objectWithoutProperties(_ref, ["evt"]); PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({ dragEl: dragEl, parentEl: parentEl, ghostEl: ghostEl, rootEl: rootEl, nextEl: nextEl, lastDownEl: lastDownEl, cloneEl: cloneEl, cloneHidden: cloneHidden, dragStarted: moved, putSortable: putSortable, activeSortable: Sortable.active, originalEvent: originalEvent, oldIndex: oldIndex, oldDraggableIndex: oldDraggableIndex, newIndex: newIndex, newDraggableIndex: newDraggableIndex, hideGhostForTarget: _hideGhostForTarget, unhideGhostForTarget: _unhideGhostForTarget, cloneNowHidden: function cloneNowHidden() { cloneHidden = true; }, cloneNowShown: function cloneNowShown() { cloneHidden = false; }, dispatchSortableEvent: function dispatchSortableEvent(name) { _dispatchEvent({ sortable: sortable, name: name, originalEvent: originalEvent }); } }, data)); }; function _dispatchEvent(info) { dispatchEvent(_objectSpread({ putSortable: putSortable, cloneEl: cloneEl, targetEl: dragEl, rootEl: rootEl, oldIndex: oldIndex, oldDraggableIndex: oldDraggableIndex, newIndex: newIndex, newDraggableIndex: newDraggableIndex }, info)); } var dragEl, parentEl, ghostEl, rootEl, nextEl, lastDownEl, cloneEl, cloneHidden, oldIndex, newIndex, oldDraggableIndex, newDraggableIndex, activeGroup, putSortable, awaitingDragStarted = false, ignoreNextClick = false, sortables = [], tapEvt, touchEvt, lastDx, lastDy, tapDistanceLeft, tapDistanceTop, moved, lastTarget, lastDirection, pastFirstInvertThresh = false, isCircumstantialInvert = false, targetMoveDistance, // For positioning ghost absolutely ghostRelativeParent, ghostRelativeParentInitialScroll = [], // (left, top) _silent = false, savedInputChecked = []; /** @const */ var documentExists = typeof document !== 'undefined', PositionGhostAbsolutely = IOS, CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float', // This will not pass for IE9, because IE9 DnD only works on anchors supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'), supportCssPointerEvents = function () { if (!documentExists) return; // false when <= IE11 if (IE11OrLess) { return false; } var el = document.createElement('x'); el.style.cssText = 'pointer-events:auto'; return el.style.pointerEvents === 'auto'; }(), _detectDirection = function _detectDirection(el, options) { var elCSS = css(el), elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth), child1 = getChild(el, 0, options), child2 = getChild(el, 1, options), firstChildCSS = child1 && css(child1), secondChildCSS = child2 && css(child2), firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width, secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width; if (elCSS.display === 'flex') { return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal'; } if (elCSS.display === 'grid') { return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal'; } if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') { var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right'; return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal'; } return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal'; }, _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) { var dragElS1Opp = vertical ? dragRect.left : dragRect.top, dragElS2Opp = vertical ? dragRect.right : dragRect.bottom, dragElOppLength = vertical ? dragRect.width : dragRect.height, targetS1Opp = vertical ? targetRect.left : targetRect.top, targetS2Opp = vertical ? targetRect.right : targetRect.bottom, targetOppLength = vertical ? targetRect.width : targetRect.height; return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2; }, /** * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold. * @param {Number} x X position * @param {Number} y Y position * @return {HTMLElement} Element of the first found nearest Sortable */ _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) { var ret; sortables.some(function (sortable) { if (lastChild(sortable)) return; var rect = getRect(sortable), threshold = sortable[expando].options.emptyInsertThreshold, insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold, insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold; if (threshold && insideHorizontally && insideVertically) { return ret = sortable; } }); return ret; }, _prepareGroup = function _prepareGroup(options) { function toFn(value, pull) { return function (to, from, dragEl, evt) { var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name; if (value == null && (pull || sameGroup)) { // Default pull value // Default pull and put value if same group return true; } else if (value == null || value === false) { return false; } else if (pull && value === 'clone') { return value; } else if (typeof value === 'function') { return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt); } else { var otherGroup = (pull ? to : from).options.group.name; return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1; } }; } 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; }, _hideGhostForTarget = function _hideGhostForTarget() { if (!supportCssPointerEvents && ghostEl) { css(ghostEl, 'display', 'none'); } }, _unhideGhostForTarget = function _unhideGhostForTarget() { if (!supportCssPointerEvents && ghostEl) { css(ghostEl, 'display', ''); } }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position if (documentExists) { document.addEventListener('click', function (evt) { if (ignoreNextClick) { evt.preventDefault(); evt.stopPropagation && evt.stopPropagation(); evt.stopImmediatePropagation && evt.stopImmediatePropagation(); ignoreNextClick = false; return false; } }, true); } var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) { if (dragEl) { evt = evt.touches ? evt.touches[0] : evt; var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY); if (nearest) { // Create imitation event var event = {}; for (var i in evt) { if (evt.hasOwnProperty(i)) { event[i] = evt[i]; } } event.target = event.rootEl = nearest; event.preventDefault = void 0; event.stopPropagation = void 0; nearest[expando]._onDragOver(event); } } }; var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) { if (dragEl) { dragEl.parentNode[expando]._isOutsideThisEl(evt.target); } }; /** * @class Sortable * @param {HTMLElement} el * @param {Object} [options] */ function Sortable(el, options) { if (!(el && el.nodeType && el.nodeType === 1)) { throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el)); } this.el = el; // root element this.options = options = _extends({}, options); // Export instance el[expando] = this; var defaults = { group: null, sort: true, disabled: false, store: null, handle: null, draggable: /^[uo]l$/i.test(el.nodeName) ? '>li' : '>*', swapThreshold: 1, // percentage; 0 <= x <= 1 invertSwap: false, // invert always invertedSwapThreshold: null, // will be set to same as swapThreshold if default removeCloneOnHide: true, direction: function direction() { return _detectDirection(el, this.options); }, ghostClass: 'sortable-ghost', chosenClass: 'sortable-chosen', dragClass: 'sortable-drag', ignore: 'a, img', filter: null, preventOnFilter: true, animation: 0, easing: null, setData: function setData(dataTransfer, dragEl) { dataTransfer.setData('Text', dragEl.textContent); }, dropBubble: false, dragoverBubble: false, dataIdAttr: 'data-id', delay: 0, delayOnTouchOnly: false, touchStartThreshold: (Number.parseInt ? Number : window).parseInt(window.devicePixelRatio, 10) || 1, forceFallback: false, fallbackClass: 'sortable-fallback', fallbackOnBody: false, fallbackTolerance: 0, fallbackOffset: { x: 0, y: 0 }, supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window, emptyInsertThreshold: 5 }; PluginManager.initializePlugins(this, el, defaults); // 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; if (this.nativeDraggable) { // Touch start threshold cannot be greater than the native dragstart threshold this.options.touchStartThreshold = 1; } // Bind events if (options.supportPointer) { on(el, 'pointerdown', this._onTapStart); } else { on(el, 'mousedown', this._onTapStart); on(el, 'touchstart', this._onTapStart); } if (this.nativeDraggable) { on(el, 'dragover', this); on(el, 'dragenter', this); } sortables.push(this.el); // Restore sorting options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager _extends(this, AnimationStateManager()); } Sortable.prototype = /** @lends Sortable.prototype */ { constructor: Sortable, _isOutsideThisEl: function _isOutsideThisEl(target) { if (!this.el.contains(target) && target !== this.el) { lastTarget = null; } }, _getDirection: function _getDirection(evt, target) { return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction; }, _onTapStart: function _onTapStart( /** Event|TouchEvent */ evt) { if (!evt.cancelable) return; var _this = this, el = this.el, options = this.options, preventOnFilter = options.preventOnFilter, type = evt.type, touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt, target = (touch || evt).target, originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target, filter = options.filter; _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 (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) { return; // only left button and enabled } // cancel dnd if original target is content editable if (originalTarget.isContentEditable) { return; } target = closest(target, options.draggable, el, false); if (target && target.animated) { return; } if (lastDownEl === target) { // Ignoring duplicate `down` return; } // Get the index of the dragged element within its parent oldIndex = index(target); oldDraggableIndex = index(target, options.draggable); // Check filter if (typeof filter === 'function') { if (filter.call(this, evt, target, this)) { _dispatchEvent({ sortable: _this, rootEl: originalTarget, name: 'filter', targetEl: target, toEl: el, fromEl: el }); pluginEvent('filter', _this, { evt: evt }); preventOnFilter && evt.cancelable && evt.preventDefault(); return; // cancel dnd } } else if (filter) { filter = filter.split(',').some(function (criteria) { criteria = closest(originalTarget, criteria.trim(), el, false); if (criteria) { _dispatchEvent({ sortable: _this, rootEl: criteria, name: 'filter', targetEl: target, fromEl: el, toEl: el }); pluginEvent('filter', _this, { evt: evt }); return true; } }); if (filter) { preventOnFilter && evt.cancelable && evt.preventDefault(); return; // cancel dnd } } if (options.handle && !closest(originalTarget, options.handle, el, false)) { return; } // Prepare `dragstart` this._prepareDragStart(evt, touch, target); }, _prepareDragStart: function _prepareDragStart( /** Event */ evt, /** Touch */ touch, /** HTMLElement */ target) { var _this = this, el = _this.el, options = _this.options, ownerDocument = el.ownerDocument, dragStartFn; if (target && !dragEl && target.parentNode === el) { var dragRect = getRect(target); rootEl = el; dragEl = target; parentEl = dragEl.parentNode; nextEl = dragEl.nextSibling; lastDownEl = target; activeGroup = options.group; Sortable.dragged = dragEl; tapEvt = { target: dragEl, clientX: (touch || evt).clientX, clientY: (touch || evt).clientY }; tapDistanceLeft = tapEvt.clientX - dragRect.left; tapDistanceTop = tapEvt.clientY - dragRect.top; this._lastX = (touch || evt).clientX; this._lastY = (touch || evt).clientY; dragEl.style['will-change'] = 'all'; dragStartFn = function dragStartFn() { pluginEvent('delayEnded', _this, { evt: evt }); if (Sortable.eventCanceled) { _this._onDrop(); return; } // Delayed drag has been triggered // we can re-enable the events: touchmove/mousemove _this._disableDelayedDragEvents(); if (!FireFox && _this.nativeDraggable) { dragEl.draggable = true; } // Bind the events: dragstart/dragend _this._triggerDragStart(evt, touch); // Drag start event _dispatchEvent({ sortable: _this, name: 'choose', originalEvent: evt }); // Chosen item toggleClass(dragEl, options.chosenClass, true); }; // Disable "draggable" options.ignore.split(',').forEach(function (criteria) { find(dragEl, criteria.trim(), _disableDraggable); }); on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent); on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent); on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent); on(ownerDocument, 'mouseup', _this._onDrop); on(ownerDocument, 'touchend', _this._onDrop); on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox) if (FireFox && this.nativeDraggable) { this.options.touchStartThreshold = 4; dragEl.draggable = true; } pluginEvent('delayStart', this, { evt: evt }); // Delay is impossible for native DnD in Edge or IE if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) { if (Sortable.eventCanceled) { this._onDrop(); return; } // 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._delayedDragTouchMoveHandler); on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler); options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler); _this._dragStartTimer = setTimeout(dragStartFn, options.delay); } else { dragStartFn(); } } }, _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler( /** TouchEvent|PointerEvent **/ e) { var touch = e.touches ? e.touches[0] : e; if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) { this._disableDelayedDrag(); } }, _disableDelayedDrag: function _disableDelayedDrag() { dragEl && _disableDraggable(dragEl); clearTimeout(this._dragStartTimer); this._disableDelayedDragEvents(); }, _disableDelayedDragEvents: function _disableDelayedDragEvents() { var ownerDocument = this.el.ownerDocument; off(ownerDocument, 'mouseup', this._disableDelayedDrag); off(ownerDocument, 'touchend', this._disableDelayedDrag); off(ownerDocument, 'touchcancel', this._disableDelayedDrag); off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler); off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler); off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler); }, _triggerDragStart: function _triggerDragStart( /** Event */ evt, /** Touch */ touch) { touch = touch || evt.pointerType == 'touch' && evt; if (!this.nativeDraggable || touch) { if (this.options.supportPointer) { on(document, 'pointermove', this._onTouchMove); } else if (touch) { on(document, 'touchmove', this._onTouchMove); } else { on(document, 'mousemove', this._onTouchMove); } } else { on(dragEl, 'dragend', this); on(rootEl, 'dragstart', this._onDragStart); } try { if (document.selection) { // Timeout neccessary for IE9 _nextTick(function () { document.selection.empty(); }); } else { window.getSelection().removeAllRanges(); } } catch (err) {} }, _dragStarted: function _dragStarted(fallback, evt) { awaitingDragStarted = false; if (rootEl && dragEl) { pluginEvent('dragStarted', this, { evt: evt }); if (this.nativeDraggable) { on(document, 'dragover', _checkOutsideTargetEl); } var options = this.options; // Apply effect !fallback && toggleClass(dragEl, options.dragClass, false); toggleClass(dragEl, options.ghostClass, true); Sortable.active = this; fallback && this._appendGhost(); // Drag start event _dispatchEvent({ sortable: this, name: 'start', originalEvent: evt }); } else { this._nulling(); } }, _emulateDragOver: function _emulateDragOver() { if (touchEvt) { this._lastX = touchEvt.clientX; this._lastY = touchEvt.clientY; _hideGhostForTarget(); var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY); var parent = target; while (target && target.shadowRoot) { target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY); if (target === parent) break; parent = target; } dragEl.parentNode[expando]._isOutsideThisEl(target); if (parent) { do { if (parent[expando]) { var inserted = void 0; inserted = parent[expando]._onDragOver({ clientX: touchEvt.clientX, clientY: touchEvt.clientY, target: target, rootEl: parent }); if (inserted && !this.options.dragoverBubble) { break; } } target = parent; // store last element } /* jshint boss:true */ while (parent = parent.parentNode); } _unhideGhostForTarget(); } }, _onTouchMove: function _onTouchMove( /**TouchEvent*/ evt) { if (tapEvt) { var options = this.options, fallbackTolerance = options.fallbackTolerance, fallbackOffset = options.fallbackOffset, touch = evt.touches ? evt.touches[0] : evt, ghostMatrix = ghostEl && matrix(ghostEl, true), scaleX = ghostEl && ghostMatrix && ghostMatrix.a, scaleY = ghostEl && ghostMatrix && ghostMatrix.d, relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent), dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1), dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging if (!Sortable.active && !awaitingDragStarted) { if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) { return; } this._onDragStart(evt, true); } if (ghostEl) { if (ghostMatrix) { ghostMatrix.e += dx - (lastDx || 0); ghostMatrix.f += dy - (lastDy || 0); } else { ghostMatrix = { a: 1, b: 0, c: 0, d: 1, e: dx, f: dy }; } var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")"); css(ghostEl, 'webkitTransform', cssMatrix); css(ghostEl, 'mozTransform', cssMatrix); css(ghostEl, 'msTransform', cssMatrix); css(ghostEl, 'transform', cssMatrix); lastDx = dx; lastDy = dy; touchEvt = touch; } evt.cancelable && evt.preventDefault(); } }, _appendGhost: function _appendGhost() { // Bug if using scale(): https://stackoverflow.com/questions/2637058 // Not being adjusted for if (!ghostEl) { var container = this.options.fallbackOnBody ? document.body : rootEl, rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container), options = this.options; // Position absolutely if (PositionGhostAbsolutely) { // Get relatively positioned parent ghostRelativeParent = container; while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) { ghostRelativeParent = ghostRelativeParent.parentNode; } if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) { if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement(); rect.top += ghostRelativeParent.scrollTop; rect.left += ghostRelativeParent.scrollLeft; } else { ghostRelativeParent = getWindowScrollingElement(); } ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent); } ghostEl = dragEl.cloneNode(true); toggleClass(ghostEl, options.ghostClass, false); toggleClass(ghostEl, options.fallbackClass, true); toggleClass(ghostEl, options.dragClass, true); css(ghostEl, 'transition', ''); css(ghostEl, 'transform', ''); css(ghostEl, 'box-sizing', 'border-box'); css(ghostEl, 'margin', 0); css(ghostEl, 'top', rect.top); css(ghostEl, 'left', rect.left); css(ghostEl, 'width', rect.width); css(ghostEl, 'height', rect.height); css(ghostEl, 'opacity', '0.8'); css(ghostEl, 'position', PositionGhostAbsolutely ? 'absolute' : 'fixed'); css(ghostEl, 'zIndex', '100000'); css(ghostEl, 'pointerEvents', 'none'); Sortable.ghost = ghostEl; container.appendChild(ghostEl); // Set transform-origin css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%'); } }, _onDragStart: function _onDragStart( /**Event*/ evt, /**boolean*/ fallback) { var _this = this; var dataTransfer = evt.dataTransfer; var options = _this.options; pluginEvent('dragStart', this, { evt: evt }); if (Sortable.eventCanceled) { this._onDrop(); return; } pluginEvent('setupClone', this); if (!Sortable.eventCanceled) { cloneEl = clone(dragEl); cloneEl.draggable = false; cloneEl.style['will-change'] = ''; this._hideClone(); toggleClass(cloneEl, this.options.chosenClass, false); Sortable.clone = cloneEl; } // #1143: IFrame support workaround _this.cloneId = _nextTick(function () { pluginEvent('clone', _this); if (Sortable.eventCanceled) return; if (!_this.options.removeCloneOnHide) { rootEl.insertBefore(cloneEl, dragEl); } _this._hideClone(); _dispatchEvent({ sortable: _this, name: 'clone' }); }); !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events if (fallback) { ignoreNextClick = true; _this._loopId = setInterval(_this._emulateDragOver, 50); } else { // Undo what was set in _prepareDragStart before drag started off(document, 'mouseup', _this._onDrop); off(document, 'touchend', _this._onDrop); off(document, 'touchcancel', _this._onDrop); if (dataTransfer) { dataTransfer.effectAllowed = 'move'; options.setData && options.setData.call(_this, dataTransfer, dragEl); } on(document, 'drop', _this); // #1276 fix: css(dragEl, 'transform', 'translateZ(0)'); } awaitingDragStarted = true; _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt)); on(document, 'selectstart', _this); moved = true; if (Safari) { css(document.body, 'user-select', 'none'); } }, // Returns true - if no further action is needed (either inserted or another condition) _onDragOver: function _onDragOver( /**Event*/ evt) { var el = this.el, target = evt.target, dragRect, targetRect, revert, options = this.options, group = options.group, activeSortable = Sortable.active, isOwner = activeGroup === group, canSort = options.sort, fromSortable = putSortable || activeSortable, vertical, _this = this, completedFired = false; if (_silent) return; function dragOverEvent(name, extra) { pluginEvent(name, _this, _objectSpread({ evt: evt, isOwner: isOwner, axis: vertical ? 'vertical' : 'horizontal', revert: revert, dragRect: dragRect, targetRect: targetRect, canSort: canSort, fromSortable: fromSortable, target: target, completed: completed, onMove: function onMove(target, after) { return _onMove(rootEl, el, dragEl, dragRect, target, getRect(target), evt, after); }, changed: changed }, extra)); } // Capture animation state function capture() { dragOverEvent('dragOverAnimationCapture'); _this.captureAnimationState(); if (_this !== fromSortable) { fromSortable.captureAnimationState(); } } // Return invocation when dragEl is inserted (or completed) function completed(insertion) { dragOverEvent('dragOverCompleted', { insertion: insertion }); if (insertion) { // Clones must be hidden before folding animation to capture dragRectAbsolute properly if (isOwner) { activeSortable._hideClone(); } else { activeSortable._showClone(_this); } if (_this !== fromSortable) { // Set ghost class to new sortable's ghost class toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false); toggleClass(dragEl, options.ghostClass, true); } if (putSortable !== _this && _this !== Sortable.active) { putSortable = _this; } else if (_this === Sortable.active && putSortable) { putSortable = null; } // Animation if (fromSortable === _this) { _this._ignoreWhileAnimating = target; } _this.animateAll(function () { dragOverEvent('dragOverAnimationComplete'); _this._ignoreWhileAnimating = null; }); if (_this !== fromSortable) { fromSortable.animateAll(); fromSortable._ignoreWhileAnimating = null; } } // Null lastTarget if it is not inside a previously swapped element if (target === dragEl && !dragEl.animated || target === el && !target.animated) { lastTarget = null; } // no bubbling and not fallback if (!options.dragoverBubble && !evt.rootEl && target !== document) { dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted !insertion && nearestEmptyInsertDetectEvent(evt); } !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation(); return completedFired = true; } // Call when dragEl has been inserted function changed() { newIndex = index(dragEl); newDraggableIndex = index(dragEl, options.draggable); _dispatchEvent({ sortable: _this, name: 'change', toEl: el, newIndex: newIndex, newDraggableIndex: newDraggableIndex, originalEvent: evt }); } if (evt.preventDefault !== void 0) { evt.cancelable && evt.preventDefault(); } target = closest(target, options.draggable, el, true); dragOverEvent('dragOver'); if (Sortable.eventCanceled) return completedFired; if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) { return completed(false); } ignoreNextClick = false; if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) { vertical = this._getDirection(evt, target) === 'vertical'; dragRect = getRect(dragEl); dragOverEvent('dragOverValid'); if (Sortable.eventCanceled) return completedFired; if (revert) { parentEl = rootEl; // actualization capture(); this._hideClone(); dragOverEvent('revert'); if (!Sortable.eventCanceled) { if (nextEl) { rootEl.insertBefore(dragEl, nextEl); } else { rootEl.appendChild(dragEl); } } return completed(true); } var elLastChild = lastChild(el, options.draggable); if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) { // If already at end of list: Do not insert if (elLastChild === dragEl) { return completed(false); } // assign target only if condition is true if (elLastChild && el === evt.target) { target = elLastChild; } if (target) { targetRect = getRect(target); } if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) { capture(); el.appendChild(dragEl); parentEl = el; // actualization changed(); return completed(true); } } else if (target.parentNode === el) { targetRect = getRect(target); var direction = 0, targetBeforeFirstSwap, differentLevel = dragEl.parentNode !== el, differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical), side1 = vertical ? 'top' : 'left', scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'), scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0; if (lastTarget !== target) { targetBeforeFirstSwap = targetRect[side1]; pastFirstInvertThresh = false; isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel; } direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target); var sibling; if (direction !== 0) { // Check if target is beside dragEl in respective direction (ignoring hidden elements) var dragIndex = index(dragEl); do { dragIndex -= direction; sibling = parentEl.children[dragIndex]; } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl)); } // If dragEl is already beside target: Do not insert if (direction === 0 || sibling === target) { return completed(false); } lastTarget = target; lastDirection = direction; var nextSibling = target.nextElementSibling, after = false; after = direction === 1; var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after); if (moveVector !== false) { if (moveVector === 1 || moveVector === -1) { after = moveVector === 1; } _silent = true; setTimeout(_unsilent, 30); capture(); if (after && !nextSibling) { el.appendChild(dragEl); } else { target.parentNode.insertBefore(dragEl, after ? nextSibling : target); } // Undo chrome's scroll adjustment (has no effect on other browsers) if (scrolledPastTop) { scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop); } parentEl = dragEl.parentNode; // actualization // must be done before animation if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) { targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]); } changed(); return completed(true); } } if (el.contains(dragEl)) { return completed(false); } } return false; }, _ignoreWhileAnimating: null, _offMoveEvents: function _offMoveEvents() { off(document, 'mousemove', this._onTouchMove); off(document, 'touchmove', this._onTouchMove); off(document, 'pointermove', this._onTouchMove); off(document, 'dragover', nearestEmptyInsertDetectEvent); off(document, 'mousemove', nearestEmptyInsertDetectEvent); off(document, 'touchmove', nearestEmptyInsertDetectEvent); }, _offUpEvents: function _offUpEvents() { var ownerDocument = this.el.ownerDocument; off(ownerDocument, 'mouseup', this._onDrop); off(ownerDocument, 'touchend', this._onDrop); off(ownerDocument, 'pointerup', this._onDrop); off(ownerDocument, 'touchcancel', this._onDrop); off(document, 'selectstart', this); }, _onDrop: function _onDrop( /**Event*/ evt) { var el = this.el, options = this.options; // Get the index of the dragged element within its parent newIndex = index(dragEl); newDraggableIndex = index(dragEl, options.draggable); pluginEvent('drop', this, { evt: evt }); parentEl = dragEl && dragEl.parentNode; // Get again after plugin event newIndex = index(dragEl); newDraggableIndex = index(dragEl, options.draggable); if (Sortable.eventCanceled) { this._nulling(); return; } awaitingDragStarted = false; isCircumstantialInvert = false; pastFirstInvertThresh = false; clearInterval(this._loopId); clearTimeout(this._dragStartTimer); _cancelNextTick(this.cloneId); _cancelNextTick(this._dragStartId); // Unbind events if (this.nativeDraggable) { off(document, 'drop', this); off(el, 'dragstart', this._onDragStart); } this._offMoveEvents(); this._offUpEvents(); if (Safari) { css(document.body, 'user-select', ''); } css(dragEl, 'transform', ''); if (evt) { if (moved) { evt.cancelable && evt.preventDefault(); !options.dropBubble && evt.stopPropagation(); } ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl); if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') { // Remove clone(s) cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl); } if (dragEl) { if (this.nativeDraggable) { off(dragEl, 'dragend', this); } _disableDraggable(dragEl); dragEl.style['will-change'] = ''; // Remove classes // ghostClass is added in dragStarted if (moved && !awaitingDragStarted) { toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false); } toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event _dispatchEvent({ sortable: this, name: 'unchoose', toEl: parentEl, newIndex: null, newDraggableIndex: null, originalEvent: evt }); if (rootEl !== parentEl) { if (newIndex >= 0) { // Add event _dispatchEvent({ rootEl: parentEl, name: 'add', toEl: parentEl, fromEl: rootEl, originalEvent: evt }); // Remove event _dispatchEvent({ sortable: this, name: 'remove', toEl: parentEl, originalEvent: evt }); // drag from one list and drop into another _dispatchEvent({ rootEl: parentEl, name: 'sort', toEl: parentEl, fromEl: rootEl, originalEvent: evt }); _dispatchEvent({ sortable: this, name: 'sort', toEl: parentEl, originalEvent: evt }); } putSortable && putSortable.save(); } else { if (newIndex !== oldIndex) { if (newIndex >= 0) { // drag & drop within the same list _dispatchEvent({ sortable: this, name: 'update', toEl: parentEl, originalEvent: evt }); _dispatchEvent({ sortable: this, name: 'sort', toEl: parentEl, originalEvent: evt }); } } } if (Sortable.active) { /* jshint eqnull:true */ if (newIndex == null || newIndex === -1) { newIndex = oldIndex; newDraggableIndex = oldDraggableIndex; } _dispatchEvent({ sortable: this, name: 'end', toEl: parentEl, originalEvent: evt }); // Save sorting this.save(); } } } this._nulling(); }, _nulling: function _nulling() { pluginEvent('nulling', this); rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null; savedInputChecked.forEach(function (el) { el.checked = true; }); savedInputChecked.length = lastDx = lastDy = 0; }, handleEvent: function handleEvent( /**Event*/ evt) { switch (evt.type) { case 'drop': case 'dragend': this._onDrop(evt); break; case 'dragenter': case 'dragover': 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 toArray() { 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, false)) { 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 sort(order) { var items = {}, rootEl = this.el; this.toArray().forEach(function (id, i) { var el = rootEl.children[i]; if (closest(el, this.options.draggable, rootEl, false)) { 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 save() { var store = this.options.store; store && store.set && 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 closest$1(el, selector) { return closest(el, selector || this.options.draggable, this.el, false); }, /** * Set/get option * @param {string} name * @param {*} [value] * @returns {*} */ option: function option(name, value) { var options = this.options; if (value === void 0) { return options[name]; } else { var modifiedValue = PluginManager.modifyOption(this, name, value); if (typeof modifiedValue !== 'undefined') { options[name] = modifiedValue; } else { options[name] = value; } if (name === 'group') { _prepareGroup(options); } } }, /** * Destroy */ destroy: function destroy() { pluginEvent('destroy', this); 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'); }); this._onDrop(); this._disableDelayedDragEvents(); sortables.splice(sortables.indexOf(this.el), 1); this.el = el = null; }, _hideClone: function _hideClone() { if (!cloneHidden) { pluginEvent('hideClone', this); if (Sortable.eventCanceled) return; css(cloneEl, 'display', 'none'); if (this.options.removeCloneOnHide && cloneEl.parentNode) { cloneEl.parentNode.removeChild(cloneEl); } cloneHidden = true; } }, _showClone: function _showClone(putSortable) { if (putSortable.lastPutMode !== 'clone') { this._hideClone(); return; } if (cloneHidden) { pluginEvent('showClone', this); if (Sortable.eventCanceled) return; // show clone at dragEl or original position if (rootEl.contains(dragEl) && !this.options.group.revertClone) { rootEl.insertBefore(cloneEl, dragEl); } else if (nextEl) { rootEl.insertBefore(cloneEl, nextEl); } else { rootEl.appendChild(cloneEl); } if (this.options.group.revertClone) { this.animate(dragEl, cloneEl); } css(cloneEl, 'display', ''); cloneHidden = false; } } }; function _globalDragOver( /**Event*/ evt) { if (evt.dataTransfer) { evt.dataTransfer.dropEffect = 'move'; } evt.cancelable && evt.preventDefault(); } function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) { var evt, sortable = fromEl[expando], onMoveFn = sortable.options.onMove, retVal; // Support for new CustomEvent feature if (window.CustomEvent && !IE11OrLess && !Edge) { evt = new CustomEvent('move', { bubbles: true, cancelable: true }); } else { 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 || getRect(toEl); evt.willInsertAfter = willInsertAfter; evt.originalEvent = originalEvent; fromEl.dispatchEvent(evt); if (onMoveFn) { retVal = onMoveFn.call(sortable, evt, originalEvent); } return retVal; } function _disableDraggable(el) { el.draggable = false; } function _unsilent() { _silent = false; } function _ghostIsLast(evt, vertical, sortable) { var rect = getRect(lastChild(sortable.el, sortable.options.draggable)); var spacer = 10; return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer; } function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) { var mouseOnAxis = vertical ? evt.clientY : evt.clientX, targetLength = vertical ? targetRect.height : targetRect.width, targetS1 = vertical ? targetRect.top : targetRect.left, targetS2 = vertical ? targetRect.bottom : targetRect.right, invert = false; if (!invertSwap) { // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) { // multiplied only by swapThreshold because mouse will already be inside target by (1 - threshold) * targetLength / 2 // check if past first invert threshold on side opposite of lastDirection if (!pastFirstInvertThresh && (lastDirection === 1 ? mouseOnAxis > targetS1 + targetLength * invertedSwapThreshold / 2 : mouseOnAxis < targetS2 - targetLength * invertedSwapThreshold / 2)) { // past first invert threshold, do not restrict inverted threshold to dragEl shadow pastFirstInvertThresh = true; } if (!pastFirstInvertThresh) { // dragEl shadow (target move distance shadow) if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow : mouseOnAxis > targetS2 - targetMoveDistance) { return -lastDirection; } } else { invert = true; } } else { // Regular if (mouseOnAxis > targetS1 + targetLength * (1 - swapThreshold) / 2 && mouseOnAxis < targetS2 - targetLength * (1 - swapThreshold) / 2) { return _getInsertDirection(target); } } } invert = invert || invertSwap; if (invert) { // Invert of regular if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) { return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1; } } return 0; } /** * Gets the direction dragEl must be swapped relative to target in order to make it * seem that dragEl has been "inserted" into that element's position * @param {HTMLElement} target The target whose position dragEl is being inserted at * @return {Number} Direction dragEl must be swapped */ function _getInsertDirection(target) { if (index(dragEl) < index(target)) { return 1; } else { return -1; } } /** * 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); } function _saveInputCheckedState(root) { savedInputChecked.length = 0; var inputs = root.getElementsByTagName('input'); var idx = inputs.length; while (idx--) { var el = inputs[idx]; el.checked && savedInputChecked.push(el); } } function _nextTick(fn) { return setTimeout(fn, 0); } function _cancelNextTick(id) { return clearTimeout(id); } // Fixed #973: if (documentExists) { on(document, 'touchmove', function (evt) { if ((Sortable.active || awaitingDragStarted) && evt.cancelable) { evt.preventDefault(); } }); } // Export utils Sortable.utils = { on: on, off: off, css: css, find: find, is: function is(el, selector) { return !!closest(el, selector, el, false); }, extend: extend, throttle: throttle, closest: closest, toggleClass: toggleClass, clone: clone, index: index, nextTick: _nextTick, cancelNextTick: _cancelNextTick, detectDirection: _detectDirection, getChild: getChild }; /** * Get the Sortable instance of an element * @param {HTMLElement} element The element * @return {Sortable|undefined} The instance of Sortable */ Sortable.get = function (element) { return element[expando]; }; /** * Mount a plugin to Sortable * @param {...SortablePlugin|SortablePlugin[]} plugins Plugins being mounted */ Sortable.mount = function () { for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) { plugins[_key] = arguments[_key]; } if (plugins[0].constructor === Array) plugins = plugins[0]; plugins.forEach(function (plugin) { if (!plugin.prototype || !plugin.prototype.constructor) { throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin)); } if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils); PluginManager.mount(plugin); }); }; /** * Create sortable instance * @param {HTMLElement} el * @param {Object} [options] */ Sortable.create = function (el, options) { return new Sortable(el, options); }; // Export Sortable.version = version; var autoScrolls = [], scrollEl, scrollRootEl, scrolling = false, lastAutoScrollX, lastAutoScrollY, touchEvt$1, pointerElemChangedInterval; function AutoScrollPlugin() { function AutoScroll() { this.defaults = { scroll: true, scrollSensitivity: 30, scrollSpeed: 10, bubbleScroll: true }; // Bind all private methods for (var fn in this) { if (fn.charAt(0) === '_' && typeof this[fn] === 'function') { this[fn] = this[fn].bind(this); } } } AutoScroll.prototype = { dragStarted: function dragStarted(_ref) { var originalEvent = _ref.originalEvent; if (this.sortable.nativeDraggable) { on(document, 'dragover', this._handleAutoScroll); } else { if (this.options.supportPointer) { on(document, 'pointermove', this._handleFallbackAutoScroll); } else if (originalEvent.touches) { on(document, 'touchmove', this._handleFallbackAutoScroll); } else { on(document, 'mousemove', this._handleFallbackAutoScroll); } } }, dragOverCompleted: function dragOverCompleted(_ref2) { var originalEvent = _ref2.originalEvent; // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached) if (!this.options.dragOverBubble && !originalEvent.rootEl) { this._handleAutoScroll(originalEvent); } }, drop: function drop() { if (this.sortable.nativeDraggable) { off(document, 'dragover', this._handleAutoScroll); } else { off(document, 'pointermove', this._handleFallbackAutoScroll); off(document, 'touchmove', this._handleFallbackAutoScroll); off(document, 'mousemove', this._handleFallbackAutoScroll); } clearPointerElemChangedInterval(); clearAutoScrolls(); cancelThrottle(); }, nulling: function nulling() { touchEvt$1 = scrollRootEl = scrollEl = scrolling = pointerElemChangedInterval = lastAutoScrollX = lastAutoScrollY = null; autoScrolls.length = 0; }, _handleFallbackAutoScroll: function _handleFallbackAutoScroll(evt) { this._handleAutoScroll(evt, true); }, _handleAutoScroll: function _handleAutoScroll(evt, fallback) { var _this = this; var x = (evt.touches ? evt.touches[0] : evt).clientX, y = (evt.touches ? evt.touches[0] : evt).clientY, elem = document.elementFromPoint(x, y); touchEvt$1 = evt; // IE does not seem to have native autoscroll, // Edge's autoscroll seems too conditional, // MACOS Safari does not have autoscroll, // Firefox and Chrome are good if (fallback || Edge || IE11OrLess || Safari) { autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change var ogElemScroller = getParentAutoScrollElement(elem, true); if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) { pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour pointerElemChangedInterval = setInterval(function () { var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true); if (newElem !== ogElemScroller) { ogElemScroller = newElem; clearAutoScrolls(); } autoScroll(evt, _this.options, newElem, fallback); }, 10); lastAutoScrollX = x; lastAutoScrollY = y; } } else { // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) { clearAutoScrolls(); return; } autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false); } } }; return _extends(AutoScroll, { pluginName: 'scroll', initializeByDefault: true }); } function clearAutoScrolls() { autoScrolls.forEach(function (autoScroll) { clearInterval(autoScroll.pid); }); autoScrolls = []; } function clearPointerElemChangedInterval() { clearInterval(pointerElemChangedInterval); } var autoScroll = throttle(function (evt, options, rootEl, isFallback) { // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521 if (!options.scroll) return; var x = (evt.touches ? evt.touches[0] : evt).clientX, y = (evt.touches ? evt.touches[0] : evt).clientY, sens = options.scrollSensitivity, speed = options.scrollSpeed, winScroller = getWindowScrollingElement(); var scrollThisInstance = false, scrollCustomFn; // New scroll root, set scrollEl if (scrollRootEl !== rootEl) { scrollRootEl = rootEl; clearAutoScrolls(); scrollEl = options.scroll; scrollCustomFn = options.scrollFn; if (scrollEl === true) { scrollEl = getParentAutoScrollElement(rootEl, true); } } var layersOut = 0; var currentParent = scrollEl; do { var el = currentParent, rect = getRect(el), top = rect.top, bottom = rect.bottom, left = rect.left, right = rect.right, width = rect.width, height = rect.height, canScrollX = void 0, canScrollY = void 0, scrollWidth = el.scrollWidth, scrollHeight = el.scrollHeight, elCSS = css(el), scrollPosX = el.scrollLeft, scrollPosY = el.scrollTop; if (el === winScroller) { canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible'); canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible'); } else { canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll'); canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll'); } var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX); var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY); if (!autoScrolls[layersOut]) { for (var i = 0; i <= layersOut; i++) { if (!autoScrolls[i]) { autoScrolls[i] = {}; } } } if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) { autoScrolls[layersOut].el = el; autoScrolls[layersOut].vx = vx; autoScrolls[layersOut].vy = vy; clearInterval(autoScrolls[layersOut].pid); if (vx != 0 || vy != 0) { scrollThisInstance = true; /* jshint loopfunc:true */ autoScrolls[layersOut].pid = setInterval(function () { // emulate drag over during autoscroll (fallback), emulating native DnD behaviour if (isFallback && this.layer === 0) { Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely } var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0; var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0; if (typeof scrollCustomFn === 'function') { if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') { return; } } scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY); }.bind({ layer: layersOut }), 24); } } layersOut++; } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false))); scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not }, 30); var drop = function drop(_ref) { var originalEvent = _ref.originalEvent, putSortable = _ref.putSortable, dragEl = _ref.dragEl, activeSortable = _ref.activeSortable, dispatchSortableEvent = _ref.dispatchSortableEvent, hideGhostForTarget = _ref.hideGhostForTarget, unhideGhostForTarget = _ref.unhideGhostForTarget; if (!originalEvent) return; var toSortable = putSortable || activeSortable; hideGhostForTarget(); var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent; var target = document.elementFromPoint(touch.clientX, touch.clientY); unhideGhostForTarget(); if (toSortable && !toSortable.el.contains(target)) { dispatchSortableEvent('spill'); this.onSpill({ dragEl: dragEl, putSortable: putSortable }); } }; function Revert() {} Revert.prototype = { startIndex: null, dragStart: function dragStart(_ref2) { var oldDraggableIndex = _ref2.oldDraggableIndex; this.startIndex = oldDraggableIndex; }, onSpill: function onSpill(_ref3) { var dragEl = _ref3.dragEl, putSortable = _ref3.putSortable; this.sortable.captureAnimationState(); if (putSortable) { putSortable.captureAnimationState(); } var nextSibling = getChild(this.sortable.el, this.startIndex, this.options); if (nextSibling) { this.sortable.el.insertBefore(dragEl, nextSibling); } else { this.sortable.el.appendChild(dragEl); } this.sortable.animateAll(); if (putSortable) { putSortable.animateAll(); } }, drop: drop }; _extends(Revert, { pluginName: 'revertOnSpill' }); function Remove() {} Remove.prototype = { onSpill: function onSpill(_ref4) { var dragEl = _ref4.dragEl, putSortable = _ref4.putSortable; var parentSortable = putSortable || this.sortable; parentSortable.captureAnimationState(); dragEl.parentNode && dragEl.parentNode.removeChild(dragEl); parentSortable.animateAll(); }, drop: drop }; _extends(Remove, { pluginName: 'removeOnSpill' }); var lastSwapEl; function SwapPlugin() { function Swap() { this.defaults = { swapClass: 'sortable-swap-highlight' }; } Swap.prototype = { dragStart: function dragStart(_ref) { var dragEl = _ref.dragEl; lastSwapEl = dragEl; }, dragOverValid: function dragOverValid(_ref2) { var completed = _ref2.completed, target = _ref2.target, onMove = _ref2.onMove, activeSortable = _ref2.activeSortable, changed = _ref2.changed, cancel = _ref2.cancel; if (!activeSortable.options.swap) return; var el = this.sortable.el, options = this.options; if (target && target !== el) { var prevSwapEl = lastSwapEl; if (onMove(target) !== false) { toggleClass(target, options.swapClass, true); lastSwapEl = target; } else { lastSwapEl = null; } if (prevSwapEl && prevSwapEl !== lastSwapEl) { toggleClass(prevSwapEl, options.swapClass, false); } } changed(); completed(true); cancel(); }, drop: function drop(_ref3) { var activeSortable = _ref3.activeSortable, putSortable = _ref3.putSortable, dragEl = _ref3.dragEl; var toSortable = putSortable || this.sortable; var options = this.options; lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false); if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) { if (dragEl !== lastSwapEl) { toSortable.captureAnimationState(); if (toSortable !== activeSortable) activeSortable.captureAnimationState(); swapNodes(dragEl, lastSwapEl); toSortable.animateAll(); if (toSortable !== activeSortable) activeSortable.animateAll(); } } }, nulling: function nulling() { lastSwapEl = null; } }; return _extends(Swap, { pluginName: 'swap', eventProperties: function eventProperties() { return { swapItem: lastSwapEl }; } }); } function swapNodes(n1, n2) { var p1 = n1.parentNode, p2 = n2.parentNode, i1, i2; if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return; i1 = index(n1); i2 = index(n2); if (p1.isEqualNode(p2) && i1 < i2) { i2++; } p1.insertBefore(n2, p1.children[i1]); p2.insertBefore(n1, p2.children[i2]); } var multiDragElements = [], multiDragClones = [], lastMultiDragSelect, // for selection with modifier key down (SHIFT) multiDragSortable, initialFolding = false, // Initial multi-drag fold when drag started folding = false, // Folding any other time dragStarted = false, dragEl$1, clonesFromRect, clonesHidden; function MultiDragPlugin() { function MultiDrag(sortable) { // Bind all private methods for (var fn in this) { if (fn.charAt(0) === '_' && typeof this[fn] === 'function') { this[fn] = this[fn].bind(this); } } if (sortable.options.supportPointer) { on(document, 'pointerup', this._deselectMultiDrag); } else { on(document, 'mouseup', this._deselectMultiDrag); on(document, 'touchend', this._deselectMultiDrag); } on(document, 'keydown', this._checkKeyDown); on(document, 'keyup', this._checkKeyUp); this.defaults = { selectedClass: 'sortable-selected', multiDragKey: null, setData: function setData(dataTransfer, dragEl) { var data = ''; if (multiDragElements.length && multiDragSortable === sortable) { multiDragElements.forEach(function (multiDragElement, i) { data += (!i ? '' : ', ') + multiDragElement.textContent; }); } else { data = dragEl.textContent; } dataTransfer.setData('Text', data); } }; } MultiDrag.prototype = { multiDragKeyDown: false, isMultiDrag: false, delayStartGlobal: function delayStartGlobal(_ref) { var dragged = _ref.dragEl; dragEl$1 = dragged; }, delayEnded: function delayEnded() { this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1); }, setupClone: function setupClone(_ref2) { var sortable = _ref2.sortable, cancel = _ref2.cancel; if (!this.isMultiDrag) return; for (var i = 0; i < multiDragElements.length; i++) { multiDragClones.push(clone(multiDragElements[i])); multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex; multiDragClones[i].draggable = false; multiDragClones[i].style['will-change'] = ''; toggleClass(multiDragClones[i], this.options.selectedClass, false); multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false); } sortable._hideClone(); cancel(); }, clone: function clone(_ref3) { var sortable = _ref3.sortable, rootEl = _ref3.rootEl, dispatchSortableEvent = _ref3.dispatchSortableEvent, cancel = _ref3.cancel; if (!this.isMultiDrag) return; if (!this.options.removeCloneOnHide) { if (multiDragElements.length && multiDragSortable === sortable) { insertMultiDragClones(true, rootEl); dispatchSortableEvent('clone'); cancel(); } } }, showClone: function showClone(_ref4) { var cloneNowShown = _ref4.cloneNowShown, rootEl = _ref4.rootEl, cancel = _ref4.cancel; if (!this.isMultiDrag) return; insertMultiDragClones(false, rootEl); multiDragClones.forEach(function (clone) { css(clone, 'display', ''); }); cloneNowShown(); clonesHidden = false; cancel(); }, hideClone: function hideClone(_ref5) { var _this = this; var sortable = _ref5.sortable, cloneNowHidden = _ref5.cloneNowHidden, cancel = _ref5.cancel; if (!this.isMultiDrag) return; multiDragClones.forEach(function (clone) { css(clone, 'display', 'none'); if (_this.options.removeCloneOnHide && clone.parentNode) { clone.parentNode.removeChild(clone); } }); cloneNowHidden(); clonesHidden = true; cancel(); }, dragStartGlobal: function dragStartGlobal(_ref6) { var sortable = _ref6.sortable; if (!this.isMultiDrag && multiDragSortable) { multiDragSortable.multiDrag._deselectMultiDrag(); } multiDragElements.forEach(function (multiDragElement) { multiDragElement.sortableIndex = index(multiDragElement); }); // Sort multi-drag elements multiDragElements = multiDragElements.sort(function (a, b) { return a.sortableIndex - b.sortableIndex; }); dragStarted = true; }, dragStarted: function dragStarted(_ref7) { var _this2 = this; var sortable = _ref7.sortable; if (!this.isMultiDrag) return; if (this.options.sort) { // Capture rects, // hide multi drag elements (by positioning them absolute), // set multi drag elements rects to dragRect, // show multi drag elements, // animate to rects, // unset rects & remove from DOM sortable.captureAnimationState(); if (this.options.animation) { multiDragElements.forEach(function (multiDragElement) { if (multiDragElement === dragEl$1) return; css(multiDragElement, 'position', 'absolute'); }); var dragRect = getRect(dragEl$1, false, true, true); multiDragElements.forEach(function (multiDragElement) { if (multiDragElement === dragEl$1) return; setRect(multiDragElement, dragRect); }); folding = true; initialFolding = true; } } sortable.animateAll(function () { folding = false; initialFolding = false; if (_this2.options.animation) { multiDragElements.forEach(function (multiDragElement) { unsetRect(multiDragElement); }); } // Remove all auxiliary multidrag items from el, if sorting enabled if (_this2.options.sort) { removeMultiDragElements(); } }); }, dragOver: function dragOver(_ref8) { var target = _ref8.target, completed = _ref8.completed, cancel = _ref8.cancel; if (folding && ~multiDragElements.indexOf(target)) { completed(false); cancel(); } }, revert: function revert(_ref9) { var fromSortable = _ref9.fromSortable, rootEl = _ref9.rootEl, sortable = _ref9.sortable, dragRect = _ref9.dragRect; if (multiDragElements.length > 1) { // Setup unfold animation multiDragElements.forEach(function (multiDragElement) { sortable.addAnimationState({ target: multiDragElement, rect: folding ? getRect(multiDragElement) : dragRect }); unsetRect(multiDragElement); multiDragElement.fromRect = dragRect; fromSortable.removeAnimationState(multiDragElement); }); folding = false; insertMultiDragElements(!this.options.removeCloneOnHide, rootEl); } }, dragOverCompleted: function dragOverCompleted(_ref10) { var sortable = _ref10.sortable, isOwner = _ref10.isOwner, insertion = _ref10.insertion, activeSortable = _ref10.activeSortable, parentEl = _ref10.parentEl, putSortable = _ref10.putSortable; var options = this.options; if (insertion) { // Clones must be hidden before folding animation to capture dragRectAbsolute properly if (isOwner) { activeSortable._hideClone(); } initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) { // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible var dragRectAbsolute = getRect(dragEl$1, false, true, true); multiDragElements.forEach(function (multiDragElement) { if (multiDragElement === dragEl$1) return; setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted // while folding, and so that we can capture them again because old sortable will no longer be fromSortable parentEl.appendChild(multiDragElement); }); folding = true; } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out if (!isOwner) { // Only remove if not folding (folding will remove them anyways) if (!folding) { removeMultiDragElements(); } if (multiDragElements.length > 1) { var clonesHiddenBefore = clonesHidden; activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) { multiDragClones.forEach(function (clone) { activeSortable.addAnimationState({ target: clone, rect: clonesFromRect }); clone.fromRect = clonesFromRect; clone.thisAnimationDuration = null; }); } } else { activeSortable._showClone(sortable); } } } }, dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) { var dragRect = _ref11.dragRect, isOwner = _ref11.isOwner, activeSortable = _ref11.activeSortable; multiDragElements.forEach(function (multiDragElement) { multiDragElement.thisAnimationDuration = null; }); if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) { clonesFromRect = _extends({}, dragRect); var dragMatrix = matrix(dragEl$1, true); clonesFromRect.top -= dragMatrix.f; clonesFromRect.left -= dragMatrix.e; } }, dragOverAnimationComplete: function dragOverAnimationComplete() { if (folding) { folding = false; removeMultiDragElements(); } }, drop: function drop(_ref12) { var evt = _ref12.originalEvent, rootEl = _ref12.rootEl, parentEl = _ref12.parentEl, sortable = _ref12.sortable, dispatchSortableEvent = _ref12.dispatchSortableEvent, oldIndex = _ref12.oldIndex, putSortable = _ref12.putSortable; var toSortable = putSortable || this.sortable; if (!evt) return; var options = this.options, children = parentEl.children; // Multi-drag selection if (!dragStarted) { if (options.multiDragKey && !this.multiDragKeyDown) { this._deselectMultiDrag(); } toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1)); if (!~multiDragElements.indexOf(dragEl$1)) { multiDragElements.push(dragEl$1); dispatchEvent({ sortable: sortable, rootEl: rootEl, name: 'select', targetEl: dragEl$1, originalEvt: evt }); // Modifier activated, select from last to dragEl if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) { var lastIndex = index(lastMultiDragSelect), currentIndex = index(dragEl$1); if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) { // Must include lastMultiDragSelect (select it), in case modified selection from no selection // (but previous selection existed) var n, i; if (currentIndex > lastIndex) { i = lastIndex; n = currentIndex; } else { i = currentIndex; n = lastIndex + 1; } for (; i < n; i++) { if (~multiDragElements.indexOf(children[i])) continue; toggleClass(children[i], options.selectedClass, true); multiDragElements.push(children[i]); dispatchEvent({ sortable: sortable, rootEl: rootEl, name: 'select', targetEl: children[i], originalEvt: evt }); } } } else { lastMultiDragSelect = dragEl$1; } multiDragSortable = toSortable; } else { multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1); lastMultiDragSelect = null; dispatchEvent({ sortable: sortable, rootEl: rootEl, name: 'deselect', targetEl: dragEl$1, originalEvt: evt }); } } // Multi-drag drop if (dragStarted && this.isMultiDrag) { // Do not "unfold" after around dragEl if reverted if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) { var dragRect = getRect(dragEl$1), multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')'); if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null; toSortable.captureAnimationState(); if (!initialFolding) { if (options.animation) { dragEl$1.fromRect = dragRect; multiDragElements.forEach(function (multiDragElement) { multiDragElement.thisAnimationDuration = null; if (multiDragElement !== dragEl$1) { var rect = folding ? getRect(multiDragElement) : dragRect; multiDragElement.fromRect = rect; // Prepare unfold animation toSortable.addAnimationState({ target: multiDragElement, rect: rect }); } }); } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert // properly they must all be removed removeMultiDragElements(); multiDragElements.forEach(function (multiDragElement) { if (children[multiDragIndex]) { parentEl.insertBefore(multiDragElement, children[multiDragIndex]); } else { parentEl.appendChild(multiDragElement); } multiDragIndex++; }); // If initial folding is done, the elements may have changed position because they are now // unfolding around dragEl, even though dragEl may not have his index changed, so update event // must be fired here as Sortable will not. if (oldIndex === index(dragEl$1)) { var update = false; multiDragElements.forEach(function (multiDragElement) { if (multiDragElement.sortableIndex !== index(multiDragElement)) { update = true; return; } }); if (update) { dispatchSortableEvent('update'); } } } // Must be done after capturing individual rects (scroll bar) multiDragElements.forEach(function (multiDragElement) { unsetRect(multiDragElement); }); toSortable.animateAll(); } multiDragSortable = toSortable; } // Remove clones if necessary if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') { multiDragClones.forEach(function (clone) { clone.parentNode && clone.parentNode.removeChild(clone); }); } }, nullingGlobal: function nullingGlobal() { this.isMultiDrag = dragStarted = false; multiDragClones.length = 0; }, destroyGlobal: function destroyGlobal() { this._deselectMultiDrag(); off(document, 'pointerup', this._deselectMultiDrag); off(document, 'mouseup', this._deselectMultiDrag); off(document, 'touchend', this._deselectMultiDrag); off(document, 'keydown', this._checkKeyDown); off(document, 'keyup', this._checkKeyUp); }, _deselectMultiDrag: function _deselectMultiDrag(evt) { if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click if (evt && evt.button !== 0) return; while (multiDragElements.length) { var el = multiDragElements[0]; toggleClass(el, this.options.selectedClass, false); multiDragElements.shift(); dispatchEvent({ sortable: this.sortable, rootEl: this.sortable.el, name: 'deselect', targetEl: el, originalEvt: evt }); } }, _checkKeyDown: function _checkKeyDown(evt) { if (evt.key === this.options.multiDragKey) { this.multiDragKeyDown = true; } }, _checkKeyUp: function _checkKeyUp(evt) { if (evt.key === this.options.multiDragKey) { this.multiDragKeyDown = false; } } }; return _extends(MultiDrag, { // Static methods & properties pluginName: 'multiDrag', utils: { /** * Selects the provided multi-drag item * @param {HTMLElement} el The element to be selected */ select: function select(el) { var sortable = el.parentNode[expando]; if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return; if (multiDragSortable && multiDragSortable !== sortable) { multiDragSortable.multiDrag._deselectMultiDrag(); multiDragSortable = sortable; } toggleClass(el, sortable.options.selectedClass, true); multiDragElements.push(el); }, /** * Deselects the provided multi-drag item * @param {HTMLElement} el The element to be deselected */ deselect: function deselect(el) { var sortable = el.parentNode[expando], index = multiDragElements.indexOf(el); if (!sortable || !sortable.options.multiDrag || !~index) return; toggleClass(el, sortable.options.selectedClass, false); multiDragElements.splice(index, 1); } }, eventProperties: function eventProperties() { var _this3 = this; var oldIndicies = [], newIndicies = []; multiDragElements.forEach(function (multiDragElement) { oldIndicies.push({ multiDragElement: multiDragElement, index: multiDragElement.sortableIndex }); // multiDragElements will already be sorted if folding var newIndex; if (folding && multiDragElement !== dragEl$1) { newIndex = -1; } else if (folding) { newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')'); } else { newIndex = index(multiDragElement); } newIndicies.push({ multiDragElement: multiDragElement, index: newIndex }); }); return { items: _toConsumableArray(multiDragElements), clones: [].concat(multiDragClones), oldIndicies: oldIndicies, newIndicies: newIndicies }; }, optionListeners: { multiDragKey: function multiDragKey(key) { key = key.toLowerCase(); if (key === 'ctrl') { key = 'Control'; } else if (key.length > 1) { key = key.charAt(0).toUpperCase() + key.substr(1); } return key; } } }); } function insertMultiDragElements(clonesInserted, rootEl) { multiDragElements.forEach(function (multiDragElement, i) { var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)]; if (target) { rootEl.insertBefore(multiDragElement, target); } else { rootEl.appendChild(multiDragElement); } }); } /** * Insert multi-drag clones * @param {[Boolean]} elementsInserted Whether the multi-drag elements are inserted * @param {HTMLElement} rootEl */ function insertMultiDragClones(elementsInserted, rootEl) { multiDragClones.forEach(function (clone, i) { var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)]; if (target) { rootEl.insertBefore(clone, target); } else { rootEl.appendChild(clone); } }); } function removeMultiDragElements() { multiDragElements.forEach(function (multiDragElement) { if (multiDragElement === dragEl$1) return; multiDragElement.parentNode && multiDragElement.parentNode.removeChild(multiDragElement); }); } Sortable.mount(new AutoScrollPlugin()); Sortable.mount(Remove, Revert); Sortable.mount(new SwapPlugin()); Sortable.mount(new MultiDragPlugin()); return Sortable; }));