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Diffstat (limited to 'library/Sortable/Sortable.js')
| -rw-r--r-- | library/Sortable/Sortable.js | 3783 |
1 files changed, 3783 insertions, 0 deletions
diff --git a/library/Sortable/Sortable.js b/library/Sortable/Sortable.js new file mode 100644 index 000000000..db509f8fc --- /dev/null +++ b/library/Sortable/Sortable.js @@ -0,0 +1,3783 @@ +/**! + * Sortable 1.14.0 + * @author RubaXa <trash@rubaxa.org> + * @author owenm <owen23355@gmail.com> + * @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 ownKeys(object, enumerableOnly) { + var keys = Object.keys(object); + + if (Object.getOwnPropertySymbols) { + var symbols = Object.getOwnPropertySymbols(object); + + if (enumerableOnly) { + symbols = symbols.filter(function (sym) { + return Object.getOwnPropertyDescriptor(object, sym).enumerable; + }); + } + + keys.push.apply(keys, symbols); + } + + return keys; + } + + function _objectSpread2(target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i] != null ? arguments[i] : {}; + + if (i % 2) { + ownKeys(Object(source), true).forEach(function (key) { + _defineProperty(target, key, source[key]); + }); + } else if (Object.getOwnPropertyDescriptors) { + Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); + } else { + ownKeys(Object(source)).forEach(function (key) { + Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); + }); + } + } + + return target; + } + + function _typeof(obj) { + "@babel/helpers - typeof"; + + 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 _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) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); + } + + function _arrayWithoutHoles(arr) { + if (Array.isArray(arr)) return _arrayLikeToArray(arr); + } + + function _iterableToArray(iter) { + if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); + } + + function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); + } + + function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + + return arr2; + } + + function _nonIterableSpread() { + throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + + var version = "1.14.0"; + + 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.parentNode && 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, includeDragEl) { + var currentChild = 0, + i = 0, + children = el.children; + + while (i < children.length) { + if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || 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 = _objectSpread2({}, 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)'); + this.forRepaintDummy = 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.forEach(function (p) { + if (p.pluginName === plugin.pluginName) { + throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once"); + } + }); + 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](_objectSpread2({ + 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](_objectSpread2({ + 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 = _objectSpread2(_objectSpread2({}, 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 _excluded = ["evt"]; + + var pluginEvent = function pluginEvent(eventName, sortable) { + var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}, + originalEvent = _ref.evt, + data = _objectWithoutProperties(_ref, _excluded); + + PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({ + 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(_objectSpread2({ + 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) { + var threshold = sortable[expando].options.emptyInsertThreshold; + if (!threshold || lastChild(sortable)) return; + var rect = getRect(sortable), + insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold, + insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold; + + if (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 && !Safari, + 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; + } // Safari ignores further event handling after mousedown + + + if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') { + 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, _objectSpread2({ + 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 = parentEl !== rootEl) // 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) { + // Insert to end of list + // If already at end of list: Do not insert + if (elLastChild === dragEl) { + return completed(false); + } // if there is a last element, it is the target + + + 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 (elLastChild && _ghostIsFirst(evt, vertical, this)) { + // Insert to start of list + var firstChild = getChild(el, 0, options, true); + + if (firstChild === dragEl) { + return completed(false); + } + + target = firstChild; + targetRect = getRect(target); + + if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) { + capture(); + el.insertBefore(dragEl, firstChild); + 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, useAnimation) { + 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); + useAnimation && this.captureAnimationState(); + order.forEach(function (id) { + if (items[id]) { + rootEl.removeChild(items[id]); + rootEl.appendChild(items[id]); + } + }); + useAnimation && this.animateAll(); + }, + + /** + * 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 (dragEl.parentNode == rootEl && !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 _ghostIsFirst(evt, vertical, sortable) { + var rect = getRect(getChild(sortable.el, 0, sortable.options, true)); + var spacer = 10; + return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left; + } + + 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 = _objectSpread2(_objectSpread2({}, 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, + forceAutoScrollFallback: false, + 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 || this.options.forceAutoScrollFallback || 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) { + folding = false; // 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; + +}))); |