拖动元素调换位置——sortable.js
使用简介：
https://github.com/SortableJS/Sortable
https://segmentfault.com/a/1190000008209715
/**!
* Sortable 1.13.0
* @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 _typeof(obj) {
if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
_typeof = function (obj) {
return typeof obj;
};
} else {
_typeof = function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
} return _typeof(obj);
} function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
} return obj;
} function _extends() {
_extends = Object.assign || function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i]; for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
} return target;
}; return _extends.apply(this, arguments);
} function _objectSpread(target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i] != null ? arguments[i] : {};
var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') {
ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
return Object.getOwnPropertyDescriptor(source, sym).enumerable;
}));
} ownKeys.forEach(function (key) {
_defineProperty(target, key, source[key]);
});
} return target;
} function _objectWithoutPropertiesLoose(source, excluded) {
if (source == null) return {};
var target = {};
var sourceKeys = Object.keys(source);
var key, i; for (i = 0; i < sourceKeys.length; i++) {
key = sourceKeys[i];
if (excluded.indexOf(key) >= 0) continue;
target[key] = source[key];
} return target;
} function _objectWithoutProperties(source, excluded) {
if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) {
var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) {
key = sourceSymbolKeys[i];
if (excluded.indexOf(key) >= 0) continue;
if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
target[key] = source[key];
}
} return target;
} function _toConsumableArray(arr) {
return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
} function _arrayWithoutHoles(arr) {
if (Array.isArray(arr)) {
for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2;
}
} function _iterableToArray(iter) {
if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
} function _nonIterableSpread() {
throw new TypeError("Invalid attempt to spread non-iterable instance");
} var version = "1.13.0"; 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) {
var currentChild = 0,
i = 0,
children = el.children; while (i < children.length) {
if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {
if (currentChild === childNum) {
return children[i];
} currentChild++;
} i++;
} return null;
}
/**
* Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
* @param {HTMLElement} el Parent element
* @param {selector} selector Any other elements that should be ignored
* @return {HTMLElement} The last child, ignoring ghostEl
*/ function lastChild(el, selector) {
var last = el.lastElementChild; while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
last = last.previousElementSibling;
} return last || null;
}
/**
* Returns the index of an element within its parent for a selected set of
* elements
* @param {HTMLElement} el
* @param {selector} selector
* @return {number}
*/ function index(el, selector) {
var index = 0; if (!el || !el.parentNode) {
return -1;
}
/* jshint boss:true */ while (el = el.previousElementSibling) {
if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
index++;
}
} return index;
}
/**
* Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
* The value is returned in real pixels.
* @param {HTMLElement} el
* @return {Array} Offsets in the format of [left, top]
*/ function getRelativeScrollOffset(el) {
var offsetLeft = 0,
offsetTop = 0,
winScroller = getWindowScrollingElement(); if (el) {
do {
var elMatrix = matrix(el),
scaleX = elMatrix.a,
scaleY = elMatrix.d;
offsetLeft += el.scrollLeft * scaleX;
offsetTop += el.scrollTop * scaleY;
} while (el !== winScroller && (el = el.parentNode));
} return [offsetLeft, offsetTop];
}
/**
* Returns the index of the object within the given array
* @param {Array} arr Array that may or may not hold the object
* @param {Object} obj An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
* @return {Number} The index of the object in the array, or -1
*/ function indexOfObject(arr, obj) {
for (var i in arr) {
if (!arr.hasOwnProperty(i)) continue; for (var key in obj) {
if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
}
} return -1;
} function getParentAutoScrollElement(el, includeSelf) {
// skip to window
if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
var elem = el;
var gotSelf = false; do {
// we don't need to get elem css if it isn't even overflowing in the first place (performance)
if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
var elemCSS = css(elem); if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
if (gotSelf || includeSelf) return elem;
gotSelf = true;
}
}
/* jshint boss:true */ } while (elem = elem.parentNode); return getWindowScrollingElement();
} function extend(dst, src) {
if (dst && src) {
for (var key in src) {
if (src.hasOwnProperty(key)) {
dst[key] = src[key];
}
}
} return dst;
} function isRectEqual(rect1, rect2) {
return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
} var _throttleTimeout; function throttle(callback, ms) {
return function () {
if (!_throttleTimeout) {
var args = arguments,
_this = this; if (args.length === 1) {
callback.call(_this, args[0]);
} else {
callback.apply(_this, args);
} _throttleTimeout = setTimeout(function () {
_throttleTimeout = void 0;
}, ms);
}
};
} function cancelThrottle() {
clearTimeout(_throttleTimeout);
_throttleTimeout = void 0;
} function scrollBy(el, x, y) {
el.scrollLeft += x;
el.scrollTop += y;
} function clone(el) {
var Polymer = window.Polymer;
var $ = window.jQuery || window.Zepto; if (Polymer && Polymer.dom) {
return Polymer.dom(el).cloneNode(true);
} else if ($) {
return $(el).clone(true)[0];
} else {
return el.cloneNode(true);
}
} function setRect(el, rect) {
css(el, 'position', 'absolute');
css(el, 'top', rect.top);
css(el, 'left', rect.left);
css(el, 'width', rect.width);
css(el, 'height', rect.height);
} function unsetRect(el) {
css(el, 'position', '');
css(el, 'top', '');
css(el, 'left', '');
css(el, 'width', '');
css(el, 'height', '');
} var expando = 'Sortable' + new Date().getTime(); function AnimationStateManager() {
var animationStates = [],
animationCallbackId;
return {
captureAnimationState: function captureAnimationState() {
animationStates = [];
if (!this.options.animation) return;
var children = [].slice.call(this.el.children);
children.forEach(function (child) {
if (css(child, 'display') === 'none' || child === Sortable.ghost) return;
animationStates.push({
target: child,
rect: getRect(child)
}); var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation if (child.thisAnimationDuration) {
var childMatrix = matrix(child, true); if (childMatrix) {
fromRect.top -= childMatrix.f;
fromRect.left -= childMatrix.e;
}
} child.fromRect = fromRect;
});
},
addAnimationState: function addAnimationState(state) {
animationStates.push(state);
},
removeAnimationState: function removeAnimationState(target) {
animationStates.splice(indexOfObject(animationStates, {
target: target
}), 1);
},
animateAll: function animateAll(callback) {
var _this = this; if (!this.options.animation) {
clearTimeout(animationCallbackId);
if (typeof callback === 'function') callback();
return;
} var animating = false,
animationTime = 0;
animationStates.forEach(function (state) {
var time = 0,
target = state.target,
fromRect = target.fromRect,
toRect = getRect(target),
prevFromRect = target.prevFromRect,
prevToRect = target.prevToRect,
animatingRect = state.rect,
targetMatrix = matrix(target, true); if (targetMatrix) {
// Compensate for current animation
toRect.top -= targetMatrix.f;
toRect.left -= targetMatrix.e;
} target.toRect = toRect; if (target.thisAnimationDuration) {
// Could also check if animatingRect is between fromRect and toRect
if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect
(animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
// If returning to same place as started from animation and on same axis
time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
}
} // if fromRect != toRect: animate if (!isRectEqual(toRect, fromRect)) {
target.prevFromRect = fromRect;
target.prevToRect = toRect; if (!time) {
time = _this.options.animation;
} _this.animate(target, animatingRect, toRect, time);
} if (time) {
animating = true;
animationTime = Math.max(animationTime, time);
clearTimeout(target.animationResetTimer);
target.animationResetTimer = setTimeout(function () {
target.animationTime = 0;
target.prevFromRect = null;
target.fromRect = null;
target.prevToRect = null;
target.thisAnimationDuration = null;
}, time);
target.thisAnimationDuration = time;
}
});
clearTimeout(animationCallbackId); if (!animating) {
if (typeof callback === 'function') callback();
} else {
animationCallbackId = setTimeout(function () {
if (typeof callback === 'function') callback();
}, animationTime);
} animationStates = [];
},
animate: function animate(target, currentRect, toRect, duration) {
if (duration) {
css(target, 'transition', '');
css(target, 'transform', '');
var elMatrix = matrix(this.el),
scaleX = elMatrix && elMatrix.a,
scaleY = elMatrix && elMatrix.d,
translateX = (currentRect.left - toRect.left) / (scaleX || 1),
translateY = (currentRect.top - toRect.top) / (scaleY || 1);
target.animatingX = !!translateX;
target.animatingY = !!translateY;
css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
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](_objectSpread({
sortable: sortable
}, evt));
} // Only fire plugin event if plugin is enabled in this sortable,
// and plugin has event defined if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
sortable[plugin.pluginName][eventName](_objectSpread({
sortable: sortable
}, evt));
}
});
},
initializePlugins: function initializePlugins(sortable, el, defaults, options) {
plugins.forEach(function (plugin) {
var pluginName = plugin.pluginName;
if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
var initialized = new plugin(sortable, el, sortable.options);
initialized.sortable = sortable;
initialized.options = sortable.options;
sortable[pluginName] = initialized; // Add default options from plugin _extends(defaults, initialized.defaults);
}); for (var option in sortable.options) {
if (!sortable.options.hasOwnProperty(option)) continue;
var modified = this.modifyOption(sortable, option, sortable.options[option]); if (typeof modified !== 'undefined') {
sortable.options[option] = modified;
}
}
},
getEventProperties: function getEventProperties(name, sortable) {
var eventProperties = {};
plugins.forEach(function (plugin) {
if (typeof plugin.eventProperties !== 'function') return; _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
});
return eventProperties;
},
modifyOption: function modifyOption(sortable, name, value) {
var modifiedValue;
plugins.forEach(function (plugin) {
// Plugin must exist on the Sortable
if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
}
});
return modifiedValue;
}
}; function dispatchEvent(_ref) {
var sortable = _ref.sortable,
rootEl = _ref.rootEl,
name = _ref.name,
targetEl = _ref.targetEl,
cloneEl = _ref.cloneEl,
toEl = _ref.toEl,
fromEl = _ref.fromEl,
oldIndex = _ref.oldIndex,
newIndex = _ref.newIndex,
oldDraggableIndex = _ref.oldDraggableIndex,
newDraggableIndex = _ref.newDraggableIndex,
originalEvent = _ref.originalEvent,
putSortable = _ref.putSortable,
extraEventProperties = _ref.extraEventProperties;
sortable = sortable || rootEl && rootEl[expando];
if (!sortable) return;
var evt,
options = sortable.options,
onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature if (window.CustomEvent && !IE11OrLess && !Edge) {
evt = new CustomEvent(name, {
bubbles: true,
cancelable: true
});
} else {
evt = document.createEvent('Event');
evt.initEvent(name, true, true);
} evt.to = toEl || rootEl;
evt.from = fromEl || rootEl;
evt.item = targetEl || rootEl;
evt.clone = cloneEl;
evt.oldIndex = oldIndex;
evt.newIndex = newIndex;
evt.oldDraggableIndex = oldDraggableIndex;
evt.newDraggableIndex = newDraggableIndex;
evt.originalEvent = originalEvent;
evt.pullMode = putSortable ? putSortable.lastPutMode : undefined; var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable)); for (var option in allEventProperties) {
evt[option] = allEventProperties[option];
} if (rootEl) {
rootEl.dispatchEvent(evt);
} if (options[onName]) {
options[onName].call(sortable, evt);
}
} var pluginEvent = function pluginEvent(eventName, sortable) {
var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
originalEvent = _ref.evt,
data = _objectWithoutProperties(_ref, ["evt"]); PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({
dragEl: dragEl,
parentEl: parentEl,
ghostEl: ghostEl,
rootEl: rootEl,
nextEl: nextEl,
lastDownEl: lastDownEl,
cloneEl: cloneEl,
cloneHidden: cloneHidden,
dragStarted: moved,
putSortable: putSortable,
activeSortable: Sortable.active,
originalEvent: originalEvent,
oldIndex: oldIndex,
oldDraggableIndex: oldDraggableIndex,
newIndex: newIndex,
newDraggableIndex: newDraggableIndex,
hideGhostForTarget: _hideGhostForTarget,
unhideGhostForTarget: _unhideGhostForTarget,
cloneNowHidden: function cloneNowHidden() {
cloneHidden = true;
},
cloneNowShown: function cloneNowShown() {
cloneHidden = false;
},
dispatchSortableEvent: function dispatchSortableEvent(name) {
_dispatchEvent({
sortable: sortable,
name: name,
originalEvent: originalEvent
});
}
}, data));
}; function _dispatchEvent(info) {
dispatchEvent(_objectSpread({
putSortable: putSortable,
cloneEl: cloneEl,
targetEl: dragEl,
rootEl: rootEl,
oldIndex: oldIndex,
oldDraggableIndex: oldDraggableIndex,
newIndex: newIndex,
newDraggableIndex: newDraggableIndex
}, info));
} var dragEl,
parentEl,
ghostEl,
rootEl,
nextEl,
lastDownEl,
cloneEl,
cloneHidden,
oldIndex,
newIndex,
oldDraggableIndex,
newDraggableIndex,
activeGroup,
putSortable,
awaitingDragStarted = false,
ignoreNextClick = false,
sortables = [],
tapEvt,
touchEvt,
lastDx,
lastDy,
tapDistanceLeft,
tapDistanceTop,
moved,
lastTarget,
lastDirection,
pastFirstInvertThresh = false,
isCircumstantialInvert = false,
targetMoveDistance,
// For positioning ghost absolutely
ghostRelativeParent,
ghostRelativeParentInitialScroll = [],
// (left, top)
_silent = false,
savedInputChecked = [];
/** @const */ var documentExists = typeof document !== 'undefined',
PositionGhostAbsolutely = IOS,
CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
// This will not pass for IE9, because IE9 DnD only works on anchors
supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
supportCssPointerEvents = function () {
if (!documentExists) return; // false when <= IE11 if (IE11OrLess) {
return false;
} var el = document.createElement('x');
el.style.cssText = 'pointer-events:auto';
return el.style.pointerEvents === 'auto';
}(),
_detectDirection = function _detectDirection(el, options) {
var elCSS = css(el),
elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
child1 = getChild(el, 0, options),
child2 = getChild(el, 1, options),
firstChildCSS = child1 && css(child1),
secondChildCSS = child2 && css(child2),
firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width; if (elCSS.display === 'flex') {
return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
} if (elCSS.display === 'grid') {
return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
} if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
} return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
},
_dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
dragElOppLength = vertical ? dragRect.width : dragRect.height,
targetS1Opp = vertical ? targetRect.left : targetRect.top,
targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
targetOppLength = vertical ? targetRect.width : targetRect.height;
return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
}, /**
* Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
* @param {Number} x X position
* @param {Number} y Y position
* @return {HTMLElement} Element of the first found nearest Sortable
*/
_detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
var ret;
sortables.some(function (sortable) {
if (lastChild(sortable)) return;
var rect = getRect(sortable),
threshold = sortable[expando].options.emptyInsertThreshold,
insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold; if (threshold && insideHorizontally && insideVertically) {
return ret = sortable;
}
});
return ret;
},
_prepareGroup = function _prepareGroup(options) {
function toFn(value, pull) {
return function (to, from, dragEl, evt) {
var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name; if (value == null && (pull || sameGroup)) {
// Default pull value
// Default pull and put value if same group
return true;
} else if (value == null || value === false) {
return false;
} else if (pull && value === 'clone') {
return value;
} else if (typeof value === 'function') {
return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
} else {
var otherGroup = (pull ? to : from).options.group.name;
return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
}
};
} var group = {};
var originalGroup = options.group; if (!originalGroup || _typeof(originalGroup) != 'object') {
originalGroup = {
name: originalGroup
};
} group.name = originalGroup.name;
group.checkPull = toFn(originalGroup.pull, true);
group.checkPut = toFn(originalGroup.put);
group.revertClone = originalGroup.revertClone;
options.group = group;
},
_hideGhostForTarget = function _hideGhostForTarget() {
if (!supportCssPointerEvents && ghostEl) {
css(ghostEl, 'display', 'none');
}
},
_unhideGhostForTarget = function _unhideGhostForTarget() {
if (!supportCssPointerEvents && ghostEl) {
css(ghostEl, 'display', '');
}
}; // #1184 fix - Prevent click event on fallback if dragged but item not changed position if (documentExists) {
document.addEventListener('click', function (evt) {
if (ignoreNextClick) {
evt.preventDefault();
evt.stopPropagation && evt.stopPropagation();
evt.stopImmediatePropagation && evt.stopImmediatePropagation();
ignoreNextClick = false;
return false;
}
}, true);
} var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
if (dragEl) {
evt = evt.touches ? evt.touches[0] : evt; var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY); if (nearest) {
// Create imitation event
var event = {}; for (var i in evt) {
if (evt.hasOwnProperty(i)) {
event[i] = evt[i];
}
} event.target = event.rootEl = nearest;
event.preventDefault = void 0;
event.stopPropagation = void 0; nearest[expando]._onDragOver(event);
}
}
}; var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {
if (dragEl) {
dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
}
};
/**
* @class Sortable
* @param {HTMLElement} el
* @param {Object} [options]
*/ function Sortable(el, options) {
if (!(el && el.nodeType && el.nodeType === 1)) {
throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el));
} this.el = el; // root element this.options = options = _extends({}, options); // Export instance el[expando] = this;
var defaults = {
group: null,
sort: true,
disabled: false,
store: null,
handle: null,
draggable: /^[uo]l$/i.test(el.nodeName) ? '>li' : '>*',
swapThreshold: 1,
// percentage; 0 <= x <= 1
invertSwap: false,
// invert always
invertedSwapThreshold: null,
// will be set to same as swapThreshold if default
removeCloneOnHide: true,
direction: function direction() {
return _detectDirection(el, this.options);
},
ghostClass: 'sortable-ghost',
chosenClass: 'sortable-chosen',
dragClass: 'sortable-drag',
ignore: 'a, img',
filter: null,
preventOnFilter: true,
animation: 0,
easing: null,
setData: function setData(dataTransfer, dragEl) {
dataTransfer.setData('Text', dragEl.textContent);
},
dropBubble: false,
dragoverBubble: false,
dataIdAttr: 'data-id',
delay: 0,
delayOnTouchOnly: false,
touchStartThreshold: (Number.parseInt ? Number : window).parseInt(window.devicePixelRatio, 10) || 1,
forceFallback: false,
fallbackClass: 'sortable-fallback',
fallbackOnBody: false,
fallbackTolerance: 0,
fallbackOffset: {
x: 0,
y: 0
},
supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !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, _objectSpread({
evt: evt,
isOwner: isOwner,
axis: vertical ? 'vertical' : 'horizontal',
revert: revert,
dragRect: dragRect,
targetRect: targetRect,
canSort: canSort,
fromSortable: fromSortable,
target: target,
completed: completed,
onMove: function onMove(target, after) {
return _onMove(rootEl, el, dragEl, dragRect, target, getRect(target), evt, after);
},
changed: changed
}, extra));
} // Capture animation state function capture() {
dragOverEvent('dragOverAnimationCapture'); _this.captureAnimationState(); if (_this !== fromSortable) {
fromSortable.captureAnimationState();
}
} // Return invocation when dragEl is inserted (or completed) function completed(insertion) {
dragOverEvent('dragOverCompleted', {
insertion: insertion
}); if (insertion) {
// Clones must be hidden before folding animation to capture dragRectAbsolute properly
if (isOwner) {
activeSortable._hideClone();
} else {
activeSortable._showClone(_this);
} if (_this !== fromSortable) {
// Set ghost class to new sortable's ghost class
toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);
toggleClass(dragEl, options.ghostClass, true);
} if (putSortable !== _this && _this !== Sortable.active) {
putSortable = _this;
} else if (_this === Sortable.active && putSortable) {
putSortable = null;
} // Animation if (fromSortable === _this) {
_this._ignoreWhileAnimating = target;
} _this.animateAll(function () {
dragOverEvent('dragOverAnimationComplete');
_this._ignoreWhileAnimating = null;
}); if (_this !== fromSortable) {
fromSortable.animateAll();
fromSortable._ignoreWhileAnimating = null;
}
} // Null lastTarget if it is not inside a previously swapped element if (target === dragEl && !dragEl.animated || target === el && !target.animated) {
lastTarget = null;
} // no bubbling and not fallback if (!options.dragoverBubble && !evt.rootEl && target !== document) {
dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted !insertion && nearestEmptyInsertDetectEvent(evt);
} !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
return completedFired = true;
} // Call when dragEl has been inserted function changed() {
newIndex = index(dragEl);
newDraggableIndex = index(dragEl, options.draggable); _dispatchEvent({
sortable: _this,
name: 'change',
toEl: el,
newIndex: newIndex,
newDraggableIndex: newDraggableIndex,
originalEvent: evt
});
} if (evt.preventDefault !== void 0) {
evt.cancelable && evt.preventDefault();
} target = closest(target, options.draggable, el, true);
dragOverEvent('dragOver');
if (Sortable.eventCanceled) return completedFired; if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {
return completed(false);
} ignoreNextClick = false; if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
: putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
vertical = this._getDirection(evt, target) === 'vertical';
dragRect = getRect(dragEl);
dragOverEvent('dragOverValid');
if (Sortable.eventCanceled) return completedFired; if (revert) {
parentEl = rootEl; // actualization capture(); this._hideClone(); dragOverEvent('revert'); if (!Sortable.eventCanceled) {
if (nextEl) {
rootEl.insertBefore(dragEl, nextEl);
} else {
rootEl.appendChild(dragEl);
}
} return completed(true);
} var elLastChild = lastChild(el, options.draggable); if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
// If already at end of list: Do not insert
if (elLastChild === dragEl) {
return completed(false);
} // assign target only if condition is true if (elLastChild && el === evt.target) {
target = elLastChild;
} if (target) {
targetRect = getRect(target);
} if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
capture();
el.appendChild(dragEl);
parentEl = el; // actualization changed();
return completed(true);
}
} else if (target.parentNode === el) {
targetRect = getRect(target);
var direction = 0,
targetBeforeFirstSwap,
differentLevel = dragEl.parentNode !== el,
differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
side1 = vertical ? 'top' : 'left',
scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0; if (lastTarget !== target) {
targetBeforeFirstSwap = targetRect[side1];
pastFirstInvertThresh = false;
isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;
} direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);
var sibling; if (direction !== 0) {
// Check if target is beside dragEl in respective direction (ignoring hidden elements)
var dragIndex = index(dragEl); do {
dragIndex -= direction;
sibling = parentEl.children[dragIndex];
} while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));
} // If dragEl is already beside target: Do not insert if (direction === 0 || sibling === target) {
return completed(false);
} lastTarget = target;
lastDirection = direction;
var nextSibling = target.nextElementSibling,
after = false;
after = direction === 1; var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after); if (moveVector !== false) {
if (moveVector === 1 || moveVector === -1) {
after = moveVector === 1;
} _silent = true;
setTimeout(_unsilent, 30);
capture(); if (after && !nextSibling) {
el.appendChild(dragEl);
} else {
target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
} // Undo chrome's scroll adjustment (has no effect on other browsers) if (scrolledPastTop) {
scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);
} parentEl = dragEl.parentNode; // actualization
// must be done before animation if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);
} changed();
return completed(true);
}
} if (el.contains(dragEl)) {
return completed(false);
}
} return false;
},
_ignoreWhileAnimating: null,
_offMoveEvents: function _offMoveEvents() {
off(document, 'mousemove', this._onTouchMove);
off(document, 'touchmove', this._onTouchMove);
off(document, 'pointermove', this._onTouchMove);
off(document, 'dragover', nearestEmptyInsertDetectEvent);
off(document, 'mousemove', nearestEmptyInsertDetectEvent);
off(document, 'touchmove', nearestEmptyInsertDetectEvent);
},
_offUpEvents: function _offUpEvents() {
var ownerDocument = this.el.ownerDocument;
off(ownerDocument, 'mouseup', this._onDrop);
off(ownerDocument, 'touchend', this._onDrop);
off(ownerDocument, 'pointerup', this._onDrop);
off(ownerDocument, 'touchcancel', this._onDrop);
off(document, 'selectstart', this);
},
_onDrop: function _onDrop(
/**Event*/
evt) {
var el = this.el,
options = this.options; // Get the index of the dragged element within its parent newIndex = index(dragEl);
newDraggableIndex = index(dragEl, options.draggable);
pluginEvent('drop', this, {
evt: evt
});
parentEl = dragEl && dragEl.parentNode; // Get again after plugin event newIndex = index(dragEl);
newDraggableIndex = index(dragEl, options.draggable); if (Sortable.eventCanceled) {
this._nulling(); return;
} awaitingDragStarted = false;
isCircumstantialInvert = false;
pastFirstInvertThresh = false;
clearInterval(this._loopId);
clearTimeout(this._dragStartTimer); _cancelNextTick(this.cloneId); _cancelNextTick(this._dragStartId); // Unbind events if (this.nativeDraggable) {
off(document, 'drop', this);
off(el, 'dragstart', this._onDragStart);
} this._offMoveEvents(); this._offUpEvents(); if (Safari) {
css(document.body, 'user-select', '');
} css(dragEl, 'transform', ''); if (evt) {
if (moved) {
evt.cancelable && evt.preventDefault();
!options.dropBubble && evt.stopPropagation();
} ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl); if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
// Remove clone(s)
cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
} if (dragEl) {
if (this.nativeDraggable) {
off(dragEl, 'dragend', this);
} _disableDraggable(dragEl); dragEl.style['will-change'] = ''; // Remove classes
// ghostClass is added in dragStarted if (moved && !awaitingDragStarted) {
toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);
} toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event _dispatchEvent({
sortable: this,
name: 'unchoose',
toEl: parentEl,
newIndex: null,
newDraggableIndex: null,
originalEvent: evt
}); if (rootEl !== parentEl) {
if (newIndex >= 0) {
// Add event
_dispatchEvent({
rootEl: parentEl,
name: 'add',
toEl: parentEl,
fromEl: rootEl,
originalEvent: evt
}); // Remove event _dispatchEvent({
sortable: this,
name: 'remove',
toEl: parentEl,
originalEvent: evt
}); // drag from one list and drop into another _dispatchEvent({
rootEl: parentEl,
name: 'sort',
toEl: parentEl,
fromEl: rootEl,
originalEvent: evt
}); _dispatchEvent({
sortable: this,
name: 'sort',
toEl: parentEl,
originalEvent: evt
});
} putSortable && putSortable.save();
} else {
if (newIndex !== oldIndex) {
if (newIndex >= 0) {
// drag & drop within the same list
_dispatchEvent({
sortable: this,
name: 'update',
toEl: parentEl,
originalEvent: evt
}); _dispatchEvent({
sortable: this,
name: 'sort',
toEl: parentEl,
originalEvent: evt
});
}
}
} if (Sortable.active) {
/* jshint eqnull:true */
if (newIndex == null || newIndex === -1) {
newIndex = oldIndex;
newDraggableIndex = oldDraggableIndex;
} _dispatchEvent({
sortable: this,
name: 'end',
toEl: parentEl,
originalEvent: evt
}); // Save sorting this.save();
}
}
} this._nulling();
},
_nulling: function _nulling() {
pluginEvent('nulling', this);
rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;
savedInputChecked.forEach(function (el) {
el.checked = true;
});
savedInputChecked.length = lastDx = lastDy = 0;
},
handleEvent: function handleEvent(
/**Event*/
evt) {
switch (evt.type) {
case 'drop':
case 'dragend':
this._onDrop(evt); break; case 'dragenter':
case 'dragover':
if (dragEl) {
this._onDragOver(evt); _globalDragOver(evt);
} break; case 'selectstart':
evt.preventDefault();
break;
}
}, /**
* Serializes the item into an array of string.
* @returns {String[]}
*/
toArray: function toArray() {
var order = [],
el,
children = this.el.children,
i = 0,
n = children.length,
options = this.options; for (; i < n; i++) {
el = children[i]; if (closest(el, options.draggable, this.el, false)) {
order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
}
} return order;
}, /**
* Sorts the elements according to the array.
* @param {String[]} order order of the items
*/
sort: function sort(order, 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 _ghostIsLast(evt, vertical, sortable) {
var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
var spacer = 10;
return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;
} function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
targetLength = vertical ? targetRect.height : targetRect.width,
targetS1 = vertical ? targetRect.top : targetRect.left,
targetS2 = vertical ? targetRect.bottom : targetRect.right,
invert = false; if (!invertSwap) {
// Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold
if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {
// multiplied only by swapThreshold because mouse will already be inside target by (1 - threshold) * targetLength / 2
// check if past first invert threshold on side opposite of lastDirection
if (!pastFirstInvertThresh && (lastDirection === 1 ? mouseOnAxis > targetS1 + targetLength * invertedSwapThreshold / 2 : mouseOnAxis < targetS2 - targetLength * invertedSwapThreshold / 2)) {
// past first invert threshold, do not restrict inverted threshold to dragEl shadow
pastFirstInvertThresh = true;
} if (!pastFirstInvertThresh) {
// dragEl shadow (target move distance shadow)
if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
: mouseOnAxis > targetS2 - targetMoveDistance) {
return -lastDirection;
}
} else {
invert = true;
}
} else {
// Regular
if (mouseOnAxis > targetS1 + targetLength * (1 - swapThreshold) / 2 && mouseOnAxis < targetS2 - targetLength * (1 - swapThreshold) / 2) {
return _getInsertDirection(target);
}
}
} invert = invert || invertSwap; if (invert) {
// Invert of regular
if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {
return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;
}
} return 0;
}
/**
* Gets the direction dragEl must be swapped relative to target in order to make it
* seem that dragEl has been "inserted" into that element's position
* @param {HTMLElement} target The target whose position dragEl is being inserted at
* @return {Number} Direction dragEl must be swapped
*/ function _getInsertDirection(target) {
if (index(dragEl) < index(target)) {
return 1;
} else {
return -1;
}
}
/**
* Generate id
* @param {HTMLElement} el
* @returns {String}
* @private
*/ function _generateId(el) {
var str = el.tagName + el.className + el.src + el.href + el.textContent,
i = str.length,
sum = 0; while (i--) {
sum += str.charCodeAt(i);
} return sum.toString(36);
} function _saveInputCheckedState(root) {
savedInputChecked.length = 0;
var inputs = root.getElementsByTagName('input');
var idx = inputs.length; while (idx--) {
var el = inputs[idx];
el.checked && savedInputChecked.push(el);
}
} function _nextTick(fn) {
return setTimeout(fn, 0);
} function _cancelNextTick(id) {
return clearTimeout(id);
} // Fixed #973: if (documentExists) {
on(document, 'touchmove', function (evt) {
if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
evt.preventDefault();
}
});
} // Export utils Sortable.utils = {
on: on,
off: off,
css: css,
find: find,
is: function is(el, selector) {
return !!closest(el, selector, el, false);
},
extend: extend,
throttle: throttle,
closest: closest,
toggleClass: toggleClass,
clone: clone,
index: index,
nextTick: _nextTick,
cancelNextTick: _cancelNextTick,
detectDirection: _detectDirection,
getChild: getChild
};
/**
* Get the Sortable instance of an element
* @param {HTMLElement} element The element
* @return {Sortable|undefined} The instance of Sortable
*/ Sortable.get = function (element) {
return element[expando];
};
/**
* Mount a plugin to Sortable
* @param {...SortablePlugin|SortablePlugin[]} plugins Plugins being mounted
*/ Sortable.mount = function () {
for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
plugins[_key] = arguments[_key];
} if (plugins[0].constructor === Array) plugins = plugins[0];
plugins.forEach(function (plugin) {
if (!plugin.prototype || !plugin.prototype.constructor) {
throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
} if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
PluginManager.mount(plugin);
});
};
/**
* Create sortable instance
* @param {HTMLElement} el
* @param {Object} [options]
*/ Sortable.create = function (el, options) {
return new Sortable(el, options);
}; // Export Sortable.version = version; var autoScrolls = [],
scrollEl,
scrollRootEl,
scrolling = false,
lastAutoScrollX,
lastAutoScrollY,
touchEvt$1,
pointerElemChangedInterval; function AutoScrollPlugin() {
function AutoScroll() {
this.defaults = {
scroll: true,
scrollSensitivity: 30,
scrollSpeed: 10,
bubbleScroll: true
}; // Bind all private methods for (var fn in this) {
if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
this[fn] = this[fn].bind(this);
}
}
} AutoScroll.prototype = {
dragStarted: function dragStarted(_ref) {
var originalEvent = _ref.originalEvent; if (this.sortable.nativeDraggable) {
on(document, 'dragover', this._handleAutoScroll);
} else {
if (this.options.supportPointer) {
on(document, 'pointermove', this._handleFallbackAutoScroll);
} else if (originalEvent.touches) {
on(document, 'touchmove', this._handleFallbackAutoScroll);
} else {
on(document, 'mousemove', this._handleFallbackAutoScroll);
}
}
},
dragOverCompleted: function dragOverCompleted(_ref2) {
var originalEvent = _ref2.originalEvent; // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
if (!this.options.dragOverBubble && !originalEvent.rootEl) {
this._handleAutoScroll(originalEvent);
}
},
drop: function drop() {
if (this.sortable.nativeDraggable) {
off(document, 'dragover', this._handleAutoScroll);
} else {
off(document, 'pointermove', this._handleFallbackAutoScroll);
off(document, 'touchmove', this._handleFallbackAutoScroll);
off(document, 'mousemove', this._handleFallbackAutoScroll);
} clearPointerElemChangedInterval();
clearAutoScrolls();
cancelThrottle();
},
nulling: function nulling() {
touchEvt$1 = scrollRootEl = scrollEl = scrolling = pointerElemChangedInterval = lastAutoScrollX = lastAutoScrollY = null;
autoScrolls.length = 0;
},
_handleFallbackAutoScroll: function _handleFallbackAutoScroll(evt) {
this._handleAutoScroll(evt, true);
},
_handleAutoScroll: function _handleAutoScroll(evt, fallback) {
var _this = this; var x = (evt.touches ? evt.touches[0] : evt).clientX,
y = (evt.touches ? evt.touches[0] : evt).clientY,
elem = document.elementFromPoint(x, y);
touchEvt$1 = evt; // IE does not seem to have native autoscroll,
// Edge's autoscroll seems too conditional,
// MACOS Safari does not have autoscroll,
// Firefox and Chrome are good if (fallback || Edge || IE11OrLess || Safari) {
autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change var ogElemScroller = getParentAutoScrollElement(elem, true); if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {
pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour pointerElemChangedInterval = setInterval(function () {
var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true); if (newElem !== ogElemScroller) {
ogElemScroller = newElem;
clearAutoScrolls();
} autoScroll(evt, _this.options, newElem, fallback);
}, 10);
lastAutoScrollX = x;
lastAutoScrollY = y;
}
} else {
// if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
clearAutoScrolls();
return;
} autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
}
}
};
return _extends(AutoScroll, {
pluginName: 'scroll',
initializeByDefault: true
});
} function clearAutoScrolls() {
autoScrolls.forEach(function (autoScroll) {
clearInterval(autoScroll.pid);
});
autoScrolls = [];
} function clearPointerElemChangedInterval() {
clearInterval(pointerElemChangedInterval);
} var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
// Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
if (!options.scroll) return;
var x = (evt.touches ? evt.touches[0] : evt).clientX,
y = (evt.touches ? evt.touches[0] : evt).clientY,
sens = options.scrollSensitivity,
speed = options.scrollSpeed,
winScroller = getWindowScrollingElement();
var scrollThisInstance = false,
scrollCustomFn; // New scroll root, set scrollEl if (scrollRootEl !== rootEl) {
scrollRootEl = rootEl;
clearAutoScrolls();
scrollEl = options.scroll;
scrollCustomFn = options.scrollFn; if (scrollEl === true) {
scrollEl = getParentAutoScrollElement(rootEl, true);
}
} var layersOut = 0;
var currentParent = scrollEl; do {
var el = currentParent,
rect = getRect(el),
top = rect.top,
bottom = rect.bottom,
left = rect.left,
right = rect.right,
width = rect.width,
height = rect.height,
canScrollX = void 0,
canScrollY = void 0,
scrollWidth = el.scrollWidth,
scrollHeight = el.scrollHeight,
elCSS = css(el),
scrollPosX = el.scrollLeft,
scrollPosY = el.scrollTop; if (el === winScroller) {
canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');
canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');
} else {
canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');
canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
} var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY); if (!autoScrolls[layersOut]) {
for (var i = 0; i <= layersOut; i++) {
if (!autoScrolls[i]) {
autoScrolls[i] = {};
}
}
} if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
autoScrolls[layersOut].el = el;
autoScrolls[layersOut].vx = vx;
autoScrolls[layersOut].vy = vy;
clearInterval(autoScrolls[layersOut].pid); if (vx != 0 || vy != 0) {
scrollThisInstance = true;
/* jshint loopfunc:true */ autoScrolls[layersOut].pid = setInterval(function () {
// emulate drag over during autoscroll (fallback), emulating native DnD behaviour
if (isFallback && this.layer === 0) {
Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely } var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0; if (typeof scrollCustomFn === 'function') {
if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {
return;
}
} scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);
}.bind({
layer: layersOut
}), 24);
}
} layersOut++;
} while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false))); scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
}, 30); var drop = function drop(_ref) {
var originalEvent = _ref.originalEvent,
putSortable = _ref.putSortable,
dragEl = _ref.dragEl,
activeSortable = _ref.activeSortable,
dispatchSortableEvent = _ref.dispatchSortableEvent,
hideGhostForTarget = _ref.hideGhostForTarget,
unhideGhostForTarget = _ref.unhideGhostForTarget;
if (!originalEvent) return;
var toSortable = putSortable || activeSortable;
hideGhostForTarget();
var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
var target = document.elementFromPoint(touch.clientX, touch.clientY);
unhideGhostForTarget(); if (toSortable && !toSortable.el.contains(target)) {
dispatchSortableEvent('spill');
this.onSpill({
dragEl: dragEl,
putSortable: putSortable
});
}
}; function Revert() {} Revert.prototype = {
startIndex: null,
dragStart: function dragStart(_ref2) {
var oldDraggableIndex = _ref2.oldDraggableIndex;
this.startIndex = oldDraggableIndex;
},
onSpill: function onSpill(_ref3) {
var dragEl = _ref3.dragEl,
putSortable = _ref3.putSortable;
this.sortable.captureAnimationState(); if (putSortable) {
putSortable.captureAnimationState();
} var nextSibling = getChild(this.sortable.el, this.startIndex, this.options); if (nextSibling) {
this.sortable.el.insertBefore(dragEl, nextSibling);
} else {
this.sortable.el.appendChild(dragEl);
} this.sortable.animateAll(); if (putSortable) {
putSortable.animateAll();
}
},
drop: drop
}; _extends(Revert, {
pluginName: 'revertOnSpill'
}); function Remove() {} Remove.prototype = {
onSpill: function onSpill(_ref4) {
var dragEl = _ref4.dragEl,
putSortable = _ref4.putSortable;
var parentSortable = putSortable || this.sortable;
parentSortable.captureAnimationState();
dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
parentSortable.animateAll();
},
drop: drop
}; _extends(Remove, {
pluginName: 'removeOnSpill'
}); var lastSwapEl; function SwapPlugin() {
function Swap() {
this.defaults = {
swapClass: 'sortable-swap-highlight'
};
} Swap.prototype = {
dragStart: function dragStart(_ref) {
var dragEl = _ref.dragEl;
lastSwapEl = dragEl;
},
dragOverValid: function dragOverValid(_ref2) {
var completed = _ref2.completed,
target = _ref2.target,
onMove = _ref2.onMove,
activeSortable = _ref2.activeSortable,
changed = _ref2.changed,
cancel = _ref2.cancel;
if (!activeSortable.options.swap) return;
var el = this.sortable.el,
options = this.options; if (target && target !== el) {
var prevSwapEl = lastSwapEl; if (onMove(target) !== false) {
toggleClass(target, options.swapClass, true);
lastSwapEl = target;
} else {
lastSwapEl = null;
} if (prevSwapEl && prevSwapEl !== lastSwapEl) {
toggleClass(prevSwapEl, options.swapClass, false);
}
} changed();
completed(true);
cancel();
},
drop: function drop(_ref3) {
var activeSortable = _ref3.activeSortable,
putSortable = _ref3.putSortable,
dragEl = _ref3.dragEl;
var toSortable = putSortable || this.sortable;
var options = this.options;
lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false); if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
if (dragEl !== lastSwapEl) {
toSortable.captureAnimationState();
if (toSortable !== activeSortable) activeSortable.captureAnimationState();
swapNodes(dragEl, lastSwapEl);
toSortable.animateAll();
if (toSortable !== activeSortable) activeSortable.animateAll();
}
}
},
nulling: function nulling() {
lastSwapEl = null;
}
};
return _extends(Swap, {
pluginName: 'swap',
eventProperties: function eventProperties() {
return {
swapItem: lastSwapEl
};
}
});
} function swapNodes(n1, n2) {
var p1 = n1.parentNode,
p2 = n2.parentNode,
i1,
i2;
if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;
i1 = index(n1);
i2 = index(n2); if (p1.isEqualNode(p2) && i1 < i2) {
i2++;
} p1.insertBefore(n2, p1.children[i1]);
p2.insertBefore(n1, p2.children[i2]);
} var multiDragElements = [],
multiDragClones = [],
lastMultiDragSelect,
// for selection with modifier key down (SHIFT)
multiDragSortable,
initialFolding = false,
// Initial multi-drag fold when drag started
folding = false,
// Folding any other time
dragStarted = false,
dragEl$1,
clonesFromRect,
clonesHidden; function MultiDragPlugin() {
function MultiDrag(sortable) {
// Bind all private methods
for (var fn in this) {
if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
this[fn] = this[fn].bind(this);
}
} if (sortable.options.supportPointer) {
on(document, 'pointerup', this._deselectMultiDrag);
} else {
on(document, 'mouseup', this._deselectMultiDrag);
on(document, 'touchend', this._deselectMultiDrag);
} on(document, 'keydown', this._checkKeyDown);
on(document, 'keyup', this._checkKeyUp);
this.defaults = {
selectedClass: 'sortable-selected',
multiDragKey: null,
setData: function setData(dataTransfer, dragEl) {
var data = ''; if (multiDragElements.length && multiDragSortable === sortable) {
multiDragElements.forEach(function (multiDragElement, i) {
data += (!i ? '' : ', ') + multiDragElement.textContent;
});
} else {
data = dragEl.textContent;
} dataTransfer.setData('Text', data);
}
};
} MultiDrag.prototype = {
multiDragKeyDown: false,
isMultiDrag: false,
delayStartGlobal: function delayStartGlobal(_ref) {
var dragged = _ref.dragEl;
dragEl$1 = dragged;
},
delayEnded: function delayEnded() {
this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
},
setupClone: function setupClone(_ref2) {
var sortable = _ref2.sortable,
cancel = _ref2.cancel;
if (!this.isMultiDrag) return; for (var i = 0; i < multiDragElements.length; i++) {
multiDragClones.push(clone(multiDragElements[i]));
multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
multiDragClones[i].draggable = false;
multiDragClones[i].style['will-change'] = '';
toggleClass(multiDragClones[i], this.options.selectedClass, false);
multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
} sortable._hideClone(); cancel();
},
clone: function clone(_ref3) {
var sortable = _ref3.sortable,
rootEl = _ref3.rootEl,
dispatchSortableEvent = _ref3.dispatchSortableEvent,
cancel = _ref3.cancel;
if (!this.isMultiDrag) return; if (!this.options.removeCloneOnHide) {
if (multiDragElements.length && multiDragSortable === sortable) {
insertMultiDragClones(true, rootEl);
dispatchSortableEvent('clone');
cancel();
}
}
},
showClone: function showClone(_ref4) {
var cloneNowShown = _ref4.cloneNowShown,
rootEl = _ref4.rootEl,
cancel = _ref4.cancel;
if (!this.isMultiDrag) return;
insertMultiDragClones(false, rootEl);
multiDragClones.forEach(function (clone) {
css(clone, 'display', '');
});
cloneNowShown();
clonesHidden = false;
cancel();
},
hideClone: function hideClone(_ref5) {
var _this = this; var sortable = _ref5.sortable,
cloneNowHidden = _ref5.cloneNowHidden,
cancel = _ref5.cancel;
if (!this.isMultiDrag) return;
multiDragClones.forEach(function (clone) {
css(clone, 'display', 'none'); if (_this.options.removeCloneOnHide && clone.parentNode) {
clone.parentNode.removeChild(clone);
}
});
cloneNowHidden();
clonesHidden = true;
cancel();
},
dragStartGlobal: function dragStartGlobal(_ref6) {
var sortable = _ref6.sortable; if (!this.isMultiDrag && multiDragSortable) {
multiDragSortable.multiDrag._deselectMultiDrag();
} multiDragElements.forEach(function (multiDragElement) {
multiDragElement.sortableIndex = index(multiDragElement);
}); // Sort multi-drag elements multiDragElements = multiDragElements.sort(function (a, b) {
return a.sortableIndex - b.sortableIndex;
});
dragStarted = true;
},
dragStarted: function dragStarted(_ref7) {
var _this2 = this; var sortable = _ref7.sortable;
if (!this.isMultiDrag) return; if (this.options.sort) {
// Capture rects,
// hide multi drag elements (by positioning them absolute),
// set multi drag elements rects to dragRect,
// show multi drag elements,
// animate to rects,
// unset rects & remove from DOM
sortable.captureAnimationState(); if (this.options.animation) {
multiDragElements.forEach(function (multiDragElement) {
if (multiDragElement === dragEl$1) return;
css(multiDragElement, 'position', 'absolute');
});
var dragRect = getRect(dragEl$1, false, true, true);
multiDragElements.forEach(function (multiDragElement) {
if (multiDragElement === dragEl$1) return;
setRect(multiDragElement, dragRect);
});
folding = true;
initialFolding = true;
}
} sortable.animateAll(function () {
folding = false;
initialFolding = false; if (_this2.options.animation) {
multiDragElements.forEach(function (multiDragElement) {
unsetRect(multiDragElement);
});
} // Remove all auxiliary multidrag items from el, if sorting enabled if (_this2.options.sort) {
removeMultiDragElements();
}
});
},
dragOver: function dragOver(_ref8) {
var target = _ref8.target,
completed = _ref8.completed,
cancel = _ref8.cancel; if (folding && ~multiDragElements.indexOf(target)) {
completed(false);
cancel();
}
},
revert: function revert(_ref9) {
var fromSortable = _ref9.fromSortable,
rootEl = _ref9.rootEl,
sortable = _ref9.sortable,
dragRect = _ref9.dragRect; if (multiDragElements.length > 1) {
// Setup unfold animation
multiDragElements.forEach(function (multiDragElement) {
sortable.addAnimationState({
target: multiDragElement,
rect: folding ? getRect(multiDragElement) : dragRect
});
unsetRect(multiDragElement);
multiDragElement.fromRect = dragRect;
fromSortable.removeAnimationState(multiDragElement);
});
folding = false;
insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
}
},
dragOverCompleted: function dragOverCompleted(_ref10) {
var sortable = _ref10.sortable,
isOwner = _ref10.isOwner,
insertion = _ref10.insertion,
activeSortable = _ref10.activeSortable,
parentEl = _ref10.parentEl,
putSortable = _ref10.putSortable;
var options = this.options; if (insertion) {
// Clones must be hidden before folding animation to capture dragRectAbsolute properly
if (isOwner) {
activeSortable._hideClone();
} initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {
// Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible
var dragRectAbsolute = getRect(dragEl$1, false, true, true);
multiDragElements.forEach(function (multiDragElement) {
if (multiDragElement === dragEl$1) return;
setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
// while folding, and so that we can capture them again because old sortable will no longer be fromSortable parentEl.appendChild(multiDragElement);
});
folding = true;
} // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out if (!isOwner) {
// Only remove if not folding (folding will remove them anyways)
if (!folding) {
removeMultiDragElements();
} if (multiDragElements.length > 1) {
var clonesHiddenBefore = clonesHidden; activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {
multiDragClones.forEach(function (clone) {
activeSortable.addAnimationState({
target: clone,
rect: clonesFromRect
});
clone.fromRect = clonesFromRect;
clone.thisAnimationDuration = null;
});
}
} else {
activeSortable._showClone(sortable);
}
}
}
},
dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {
var dragRect = _ref11.dragRect,
isOwner = _ref11.isOwner,
activeSortable = _ref11.activeSortable;
multiDragElements.forEach(function (multiDragElement) {
multiDragElement.thisAnimationDuration = null;
}); if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {
clonesFromRect = _extends({}, dragRect);
var dragMatrix = matrix(dragEl$1, true);
clonesFromRect.top -= dragMatrix.f;
clonesFromRect.left -= dragMatrix.e;
}
},
dragOverAnimationComplete: function dragOverAnimationComplete() {
if (folding) {
folding = false;
removeMultiDragElements();
}
},
drop: function drop(_ref12) {
var evt = _ref12.originalEvent,
rootEl = _ref12.rootEl,
parentEl = _ref12.parentEl,
sortable = _ref12.sortable,
dispatchSortableEvent = _ref12.dispatchSortableEvent,
oldIndex = _ref12.oldIndex,
putSortable = _ref12.putSortable;
var toSortable = putSortable || this.sortable;
if (!evt) return;
var options = this.options,
children = parentEl.children; // Multi-drag selection if (!dragStarted) {
if (options.multiDragKey && !this.multiDragKeyDown) {
this._deselectMultiDrag();
} toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1)); if (!~multiDragElements.indexOf(dragEl$1)) {
multiDragElements.push(dragEl$1);
dispatchEvent({
sortable: sortable,
rootEl: rootEl,
name: 'select',
targetEl: dragEl$1,
originalEvt: evt
}); // Modifier activated, select from last to dragEl if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
var lastIndex = index(lastMultiDragSelect),
currentIndex = index(dragEl$1); if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
// Must include lastMultiDragSelect (select it), in case modified selection from no selection
// (but previous selection existed)
var n, i; if (currentIndex > lastIndex) {
i = lastIndex;
n = currentIndex;
} else {
i = currentIndex;
n = lastIndex + 1;
} for (; i < n; i++) {
if (~multiDragElements.indexOf(children[i])) continue;
toggleClass(children[i], options.selectedClass, true);
multiDragElements.push(children[i]);
dispatchEvent({
sortable: sortable,
rootEl: rootEl,
name: 'select',
targetEl: children[i],
originalEvt: evt
});
}
}
} else {
lastMultiDragSelect = dragEl$1;
} multiDragSortable = toSortable;
} else {
multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);
lastMultiDragSelect = null;
dispatchEvent({
sortable: sortable,
rootEl: rootEl,
name: 'deselect',
targetEl: dragEl$1,
originalEvt: evt
});
}
} // Multi-drag drop if (dragStarted && this.isMultiDrag) {
// Do not "unfold" after around dragEl if reverted
if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
var dragRect = getRect(dragEl$1),
multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;
toSortable.captureAnimationState(); if (!initialFolding) {
if (options.animation) {
dragEl$1.fromRect = dragRect;
multiDragElements.forEach(function (multiDragElement) {
multiDragElement.thisAnimationDuration = null; if (multiDragElement !== dragEl$1) {
var rect = folding ? getRect(multiDragElement) : dragRect;
multiDragElement.fromRect = rect; // Prepare unfold animation toSortable.addAnimationState({
target: multiDragElement,
rect: rect
});
}
});
} // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
// properly they must all be removed removeMultiDragElements();
multiDragElements.forEach(function (multiDragElement) {
if (children[multiDragIndex]) {
parentEl.insertBefore(multiDragElement, children[multiDragIndex]);
} else {
parentEl.appendChild(multiDragElement);
} multiDragIndex++;
}); // If initial folding is done, the elements may have changed position because they are now
// unfolding around dragEl, even though dragEl may not have his index changed, so update event
// must be fired here as Sortable will not. if (oldIndex === index(dragEl$1)) {
var update = false;
multiDragElements.forEach(function (multiDragElement) {
if (multiDragElement.sortableIndex !== index(multiDragElement)) {
update = true;
return;
}
}); if (update) {
dispatchSortableEvent('update');
}
}
} // Must be done after capturing individual rects (scroll bar) multiDragElements.forEach(function (multiDragElement) {
unsetRect(multiDragElement);
});
toSortable.animateAll();
} multiDragSortable = toSortable;
} // Remove clones if necessary if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
multiDragClones.forEach(function (clone) {
clone.parentNode && clone.parentNode.removeChild(clone);
});
}
},
nullingGlobal: function nullingGlobal() {
this.isMultiDrag = dragStarted = false;
multiDragClones.length = 0;
},
destroyGlobal: function destroyGlobal() {
this._deselectMultiDrag(); off(document, 'pointerup', this._deselectMultiDrag);
off(document, 'mouseup', this._deselectMultiDrag);
off(document, 'touchend', this._deselectMultiDrag);
off(document, 'keydown', this._checkKeyDown);
off(document, 'keyup', this._checkKeyUp);
},
_deselectMultiDrag: function _deselectMultiDrag(evt) {
if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click if (evt && evt.button !== 0) return; while (multiDragElements.length) {
var el = multiDragElements[0];
toggleClass(el, this.options.selectedClass, false);
multiDragElements.shift();
dispatchEvent({
sortable: this.sortable,
rootEl: this.sortable.el,
name: 'deselect',
targetEl: el,
originalEvt: evt
});
}
},
_checkKeyDown: function _checkKeyDown(evt) {
if (evt.key === this.options.multiDragKey) {
this.multiDragKeyDown = true;
}
},
_checkKeyUp: function _checkKeyUp(evt) {
if (evt.key === this.options.multiDragKey) {
this.multiDragKeyDown = false;
}
}
};
return _extends(MultiDrag, {
// Static methods & properties
pluginName: 'multiDrag',
utils: {
/**
* Selects the provided multi-drag item
* @param {HTMLElement} el The element to be selected
*/
select: function select(el) {
var sortable = el.parentNode[expando];
if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return; if (multiDragSortable && multiDragSortable !== sortable) {
multiDragSortable.multiDrag._deselectMultiDrag(); multiDragSortable = sortable;
} toggleClass(el, sortable.options.selectedClass, true);
multiDragElements.push(el);
}, /**
* Deselects the provided multi-drag item
* @param {HTMLElement} el The element to be deselected
*/
deselect: function deselect(el) {
var sortable = el.parentNode[expando],
index = multiDragElements.indexOf(el);
if (!sortable || !sortable.options.multiDrag || !~index) return;
toggleClass(el, sortable.options.selectedClass, false);
multiDragElements.splice(index, 1);
}
},
eventProperties: function eventProperties() {
var _this3 = this; var oldIndicies = [],
newIndicies = [];
multiDragElements.forEach(function (multiDragElement) {
oldIndicies.push({
multiDragElement: multiDragElement,
index: multiDragElement.sortableIndex
}); // multiDragElements will already be sorted if folding var newIndex; if (folding && multiDragElement !== dragEl$1) {
newIndex = -1;
} else if (folding) {
newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');
} else {
newIndex = index(multiDragElement);
} newIndicies.push({
multiDragElement: multiDragElement,
index: newIndex
});
});
return {
items: _toConsumableArray(multiDragElements),
clones: [].concat(multiDragClones),
oldIndicies: oldIndicies,
newIndicies: newIndicies
};
},
optionListeners: {
multiDragKey: function multiDragKey(key) {
key = key.toLowerCase(); if (key === 'ctrl') {
key = 'Control';
} else if (key.length > 1) {
key = key.charAt(0).toUpperCase() + key.substr(1);
} return key;
}
}
});
} function insertMultiDragElements(clonesInserted, rootEl) {
multiDragElements.forEach(function (multiDragElement, i) {
var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)]; if (target) {
rootEl.insertBefore(multiDragElement, target);
} else {
rootEl.appendChild(multiDragElement);
}
});
}
/**
* Insert multi-drag clones
* @param {[Boolean]} elementsInserted Whether the multi-drag elements are inserted
* @param {HTMLElement} rootEl
*/ function insertMultiDragClones(elementsInserted, rootEl) {
multiDragClones.forEach(function (clone, i) {
var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)]; if (target) {
rootEl.insertBefore(clone, target);
} else {
rootEl.appendChild(clone);
}
});
} function removeMultiDragElements() {
multiDragElements.forEach(function (multiDragElement) {
if (multiDragElement === dragEl$1) return;
multiDragElement.parentNode && multiDragElement.parentNode.removeChild(multiDragElement);
});
} Sortable.mount(new AutoScrollPlugin());
Sortable.mount(Remove, Revert); Sortable.mount(new SwapPlugin());
Sortable.mount(new MultiDragPlugin()); return Sortable; }));
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