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Sortable.js
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Sortable.js
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/**!
* Sortable 1.15.6
* @author RubaXa <[email protected]>
* @author owenm <[email protected]>
* @license MIT
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.Sortable = factory());
}(this, (function () { 'use strict';
function ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
if (enumerableOnly) {
symbols = symbols.filter(function (sym) {
return Object.getOwnPropertyDescriptor(object, sym).enumerable;
});
}
keys.push.apply(keys, symbols);
}
return keys;
}
function _objectSpread2(target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i] != null ? arguments[i] : {};
if (i % 2) {
ownKeys(Object(source), true).forEach(function (key) {
_defineProperty(target, key, source[key]);
});
} else if (Object.getOwnPropertyDescriptors) {
Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
} else {
ownKeys(Object(source)).forEach(function (key) {
Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
});
}
}
return target;
}
function _typeof(obj) {
"@babel/helpers - typeof";
if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
_typeof = function (obj) {
return typeof obj;
};
} else {
_typeof = function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
}
return _typeof(obj);
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _extends() {
_extends = Object.assign || function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
return _extends.apply(this, arguments);
}
function _objectWithoutPropertiesLoose(source, excluded) {
if (source == null) return {};
var target = {};
var sourceKeys = Object.keys(source);
var key, i;
for (i = 0; i < sourceKeys.length; i++) {
key = sourceKeys[i];
if (excluded.indexOf(key) >= 0) continue;
target[key] = source[key];
}
return target;
}
function _objectWithoutProperties(source, excluded) {
if (source == null) return {};
var target = _objectWithoutPropertiesLoose(source, excluded);
var key, i;
if (Object.getOwnPropertySymbols) {
var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
for (i = 0; i < sourceSymbolKeys.length; i++) {
key = sourceSymbolKeys[i];
if (excluded.indexOf(key) >= 0) continue;
if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
target[key] = source[key];
}
}
return target;
}
function _toConsumableArray(arr) {
return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
}
function _arrayWithoutHoles(arr) {
if (Array.isArray(arr)) return _arrayLikeToArray(arr);
}
function _iterableToArray(iter) {
if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
}
function _unsupportedIterableToArray(o, minLen) {
if (!o) return;
if (typeof o === "string") return _arrayLikeToArray(o, minLen);
var n = Object.prototype.toString.call(o).slice(8, -1);
if (n === "Object" && o.constructor) n = o.constructor.name;
if (n === "Map" || n === "Set") return Array.from(o);
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}
function _arrayLikeToArray(arr, len) {
if (len == null || len > arr.length) len = arr.length;
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
return arr2;
}
function _nonIterableSpread() {
throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
var version = "1.15.6";
function userAgent(pattern) {
if (typeof window !== 'undefined' && window.navigator) {
return !! /*@__PURE__*/navigator.userAgent.match(pattern);
}
}
var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
var Edge = userAgent(/Edge/i);
var FireFox = userAgent(/firefox/i);
var Safari = userAgent(/safari/i) && !userAgent(/chrome/i) && !userAgent(/android/i);
var IOS = userAgent(/iP(ad|od|hone)/i);
var ChromeForAndroid = userAgent(/chrome/i) && userAgent(/android/i);
var captureMode = {
capture: false,
passive: false
};
function on(el, event, fn) {
el.addEventListener(event, fn, !IE11OrLess && captureMode);
}
function off(el, event, fn) {
el.removeEventListener(event, fn, !IE11OrLess && captureMode);
}
function matches( /**HTMLElement*/el, /**String*/selector) {
if (!selector) return;
selector[0] === '>' && (selector = selector.substring(1));
if (el) {
try {
if (el.matches) {
return el.matches(selector);
} else if (el.msMatchesSelector) {
return el.msMatchesSelector(selector);
} else if (el.webkitMatchesSelector) {
return el.webkitMatchesSelector(selector);
}
} catch (_) {
return false;
}
}
return false;
}
function getParentOrHost(el) {
return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
}
function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
if (el) {
ctx = ctx || document;
do {
if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {
return el;
}
if (el === ctx) break;
/* jshint boss:true */
} while (el = getParentOrHost(el));
}
return null;
}
var R_SPACE = /\s+/g;
function toggleClass(el, name, state) {
if (el && name) {
if (el.classList) {
el.classList[state ? 'add' : 'remove'](name);
} else {
var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' ');
el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' ');
}
}
}
function css(el, prop, val) {
var style = el && el.style;
if (style) {
if (val === void 0) {
if (document.defaultView && document.defaultView.getComputedStyle) {
val = document.defaultView.getComputedStyle(el, '');
} else if (el.currentStyle) {
val = el.currentStyle;
}
return prop === void 0 ? val : val[prop];
} else {
if (!(prop in style) && prop.indexOf('webkit') === -1) {
prop = '-webkit-' + prop;
}
style[prop] = val + (typeof val === 'string' ? '' : 'px');
}
}
}
function matrix(el, selfOnly) {
var appliedTransforms = '';
if (typeof el === 'string') {
appliedTransforms = el;
} else {
do {
var transform = css(el, 'transform');
if (transform && transform !== 'none') {
appliedTransforms = transform + ' ' + appliedTransforms;
}
/* jshint boss:true */
} while (!selfOnly && (el = el.parentNode));
}
var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
/*jshint -W056 */
return matrixFn && new matrixFn(appliedTransforms);
}
function find(ctx, tagName, iterator) {
if (ctx) {
var list = ctx.getElementsByTagName(tagName),
i = 0,
n = list.length;
if (iterator) {
for (; i < n; i++) {
iterator(list[i], i);
}
}
return list;
}
return [];
}
function getWindowScrollingElement() {
var scrollingElement = document.scrollingElement;
if (scrollingElement) {
return scrollingElement;
} else {
return document.documentElement;
}
}
/**
* Returns the "bounding client rect" of given element
* @param {HTMLElement} el The element whose boundingClientRect is wanted
* @param {[Boolean]} relativeToContainingBlock Whether the rect should be relative to the containing block of (including) the container
* @param {[Boolean]} relativeToNonStaticParent Whether the rect should be relative to the relative parent of (including) the contaienr
* @param {[Boolean]} undoScale Whether the container's scale() should be undone
* @param {[HTMLElement]} container The parent the element will be placed in
* @return {Object} The boundingClientRect of el, with specified adjustments
*/
function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {
if (!el.getBoundingClientRect && el !== window) return;
var elRect, top, left, bottom, right, height, width;
if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
elRect = el.getBoundingClientRect();
top = elRect.top;
left = elRect.left;
bottom = elRect.bottom;
right = elRect.right;
height = elRect.height;
width = elRect.width;
} else {
top = 0;
left = 0;
bottom = window.innerHeight;
right = window.innerWidth;
height = window.innerHeight;
width = window.innerWidth;
}
if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {
// Adjust for translate()
container = container || el.parentNode;
// solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
// Not needed on <= IE11
if (!IE11OrLess) {
do {
if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {
var containerRect = container.getBoundingClientRect();
// Set relative to edges of padding box of container
top -= containerRect.top + parseInt(css(container, 'border-top-width'));
left -= containerRect.left + parseInt(css(container, 'border-left-width'));
bottom = top + elRect.height;
right = left + elRect.width;
break;
}
/* jshint boss:true */
} while (container = container.parentNode);
}
}
if (undoScale && el !== window) {
// Adjust for scale()
var elMatrix = matrix(container || el),
scaleX = elMatrix && elMatrix.a,
scaleY = elMatrix && elMatrix.d;
if (elMatrix) {
top /= scaleY;
left /= scaleX;
width /= scaleX;
height /= scaleY;
bottom = top + height;
right = left + width;
}
}
return {
top: top,
left: left,
bottom: bottom,
right: right,
width: width,
height: height
};
}
/**
* Checks if a side of an element is scrolled past a side of its parents
* @param {HTMLElement} el The element who's side being scrolled out of view is in question
* @param {String} elSide Side of the element in question ('top', 'left', 'right', 'bottom')
* @param {String} parentSide Side of the parent in question ('top', 'left', 'right', 'bottom')
* @return {HTMLElement} The parent scroll element that the el's side is scrolled past, or null if there is no such element
*/
function isScrolledPast(el, elSide, parentSide) {
var parent = getParentAutoScrollElement(el, true),
elSideVal = getRect(el)[elSide];
/* jshint boss:true */
while (parent) {
var parentSideVal = getRect(parent)[parentSide],
visible = void 0;
if (parentSide === 'top' || parentSide === 'left') {
visible = elSideVal >= parentSideVal;
} else {
visible = elSideVal <= parentSideVal;
}
if (!visible) return parent;
if (parent === getWindowScrollingElement()) break;
parent = getParentAutoScrollElement(parent, false);
}
return false;
}
/**
* Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
* and non-draggable elements
* @param {HTMLElement} el The parent element
* @param {Number} childNum The index of the child
* @param {Object} options Parent Sortable's options
* @return {HTMLElement} The child at index childNum, or null if not found
*/
function getChild(el, childNum, options, includeDragEl) {
var currentChild = 0,
i = 0,
children = el.children;
while (i < children.length) {
if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
if (currentChild === childNum) {
return children[i];
}
currentChild++;
}
i++;
}
return null;
}
/**
* Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
* @param {HTMLElement} el Parent element
* @param {selector} selector Any other elements that should be ignored
* @return {HTMLElement} The last child, ignoring ghostEl
*/
function lastChild(el, selector) {
var last = el.lastElementChild;
while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
last = last.previousElementSibling;
}
return last || null;
}
/**
* Returns the index of an element within its parent for a selected set of
* elements
* @param {HTMLElement} el
* @param {selector} selector
* @return {number}
*/
function index(el, selector) {
var index = 0;
if (!el || !el.parentNode) {
return -1;
}
/* jshint boss:true */
while (el = el.previousElementSibling) {
if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
index++;
}
}
return index;
}
/**
* Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
* The value is returned in real pixels.
* @param {HTMLElement} el
* @return {Array} Offsets in the format of [left, top]
*/
function getRelativeScrollOffset(el) {
var offsetLeft = 0,
offsetTop = 0,
winScroller = getWindowScrollingElement();
if (el) {
do {
var elMatrix = matrix(el),
scaleX = elMatrix.a,
scaleY = elMatrix.d;
offsetLeft += el.scrollLeft * scaleX;
offsetTop += el.scrollTop * scaleY;
} while (el !== winScroller && (el = el.parentNode));
}
return [offsetLeft, offsetTop];
}
/**
* Returns the index of the object within the given array
* @param {Array} arr Array that may or may not hold the object
* @param {Object} obj An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
* @return {Number} The index of the object in the array, or -1
*/
function indexOfObject(arr, obj) {
for (var i in arr) {
if (!arr.hasOwnProperty(i)) continue;
for (var key in obj) {
if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
}
}
return -1;
}
function getParentAutoScrollElement(el, includeSelf) {
// skip to window
if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
var elem = el;
var gotSelf = false;
do {
// we don't need to get elem css if it isn't even overflowing in the first place (performance)
if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
var elemCSS = css(elem);
if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
if (gotSelf || includeSelf) return elem;
gotSelf = true;
}
}
/* jshint boss:true */
} while (elem = elem.parentNode);
return getWindowScrollingElement();
}
function extend(dst, src) {
if (dst && src) {
for (var key in src) {
if (src.hasOwnProperty(key)) {
dst[key] = src[key];
}
}
}
return dst;
}
function isRectEqual(rect1, rect2) {
return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
}
var _throttleTimeout;
function throttle(callback, ms) {
return function () {
if (!_throttleTimeout) {
var args = arguments,
_this = this;
if (args.length === 1) {
callback.call(_this, args[0]);
} else {
callback.apply(_this, args);
}
_throttleTimeout = setTimeout(function () {
_throttleTimeout = void 0;
}, ms);
}
};
}
function cancelThrottle() {
clearTimeout(_throttleTimeout);
_throttleTimeout = void 0;
}
function scrollBy(el, x, y) {
el.scrollLeft += x;
el.scrollTop += y;
}
function clone(el) {
var Polymer = window.Polymer;
var $ = window.jQuery || window.Zepto;
if (Polymer && Polymer.dom) {
return Polymer.dom(el).cloneNode(true);
} else if ($) {
return $(el).clone(true)[0];
} else {
return el.cloneNode(true);
}
}
function setRect(el, rect) {
css(el, 'position', 'absolute');
css(el, 'top', rect.top);
css(el, 'left', rect.left);
css(el, 'width', rect.width);
css(el, 'height', rect.height);
}
function unsetRect(el) {
css(el, 'position', '');
css(el, 'top', '');
css(el, 'left', '');
css(el, 'width', '');
css(el, 'height', '');
}
function getChildContainingRectFromElement(container, options, ghostEl) {
var rect = {};
Array.from(container.children).forEach(function (child) {
var _rect$left, _rect$top, _rect$right, _rect$bottom;
if (!closest(child, options.draggable, container, false) || child.animated || child === ghostEl) return;
var childRect = getRect(child);
rect.left = Math.min((_rect$left = rect.left) !== null && _rect$left !== void 0 ? _rect$left : Infinity, childRect.left);
rect.top = Math.min((_rect$top = rect.top) !== null && _rect$top !== void 0 ? _rect$top : Infinity, childRect.top);
rect.right = Math.max((_rect$right = rect.right) !== null && _rect$right !== void 0 ? _rect$right : -Infinity, childRect.right);
rect.bottom = Math.max((_rect$bottom = rect.bottom) !== null && _rect$bottom !== void 0 ? _rect$bottom : -Infinity, childRect.bottom);
});
rect.width = rect.right - rect.left;
rect.height = rect.bottom - rect.top;
rect.x = rect.left;
rect.y = rect.top;
return rect;
}
var expando = 'Sortable' + new Date().getTime();
function AnimationStateManager() {
var animationStates = [],
animationCallbackId;
return {
captureAnimationState: function captureAnimationState() {
animationStates = [];
if (!this.options.animation) return;
var children = [].slice.call(this.el.children);
children.forEach(function (child) {
if (css(child, 'display') === 'none' || child === Sortable.ghost) return;
animationStates.push({
target: child,
rect: getRect(child)
});
var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect);
// If animating: compensate for current animation
if (child.thisAnimationDuration) {
var childMatrix = matrix(child, true);
if (childMatrix) {
fromRect.top -= childMatrix.f;
fromRect.left -= childMatrix.e;
}
}
child.fromRect = fromRect;
});
},
addAnimationState: function addAnimationState(state) {
animationStates.push(state);
},
removeAnimationState: function removeAnimationState(target) {
animationStates.splice(indexOfObject(animationStates, {
target: target
}), 1);
},
animateAll: function animateAll(callback) {
var _this = this;
if (!this.options.animation) {
clearTimeout(animationCallbackId);
if (typeof callback === 'function') callback();
return;
}
var animating = false,
animationTime = 0;
animationStates.forEach(function (state) {
var time = 0,
target = state.target,
fromRect = target.fromRect,
toRect = getRect(target),
prevFromRect = target.prevFromRect,
prevToRect = target.prevToRect,
animatingRect = state.rect,
targetMatrix = matrix(target, true);
if (targetMatrix) {
// Compensate for current animation
toRect.top -= targetMatrix.f;
toRect.left -= targetMatrix.e;
}
target.toRect = toRect;
if (target.thisAnimationDuration) {
// Could also check if animatingRect is between fromRect and toRect
if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) &&
// Make sure animatingRect is on line between toRect & fromRect
(animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
// If returning to same place as started from animation and on same axis
time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
}
}
// if fromRect != toRect: animate
if (!isRectEqual(toRect, fromRect)) {
target.prevFromRect = fromRect;
target.prevToRect = toRect;
if (!time) {
time = _this.options.animation;
}
_this.animate(target, animatingRect, toRect, time);
}
if (time) {
animating = true;
animationTime = Math.max(animationTime, time);
clearTimeout(target.animationResetTimer);
target.animationResetTimer = setTimeout(function () {
target.animationTime = 0;
target.prevFromRect = null;
target.fromRect = null;
target.prevToRect = null;
target.thisAnimationDuration = null;
}, time);
target.thisAnimationDuration = time;
}
});
clearTimeout(animationCallbackId);
if (!animating) {
if (typeof callback === 'function') callback();
} else {
animationCallbackId = setTimeout(function () {
if (typeof callback === 'function') callback();
}, animationTime);
}
animationStates = [];
},
animate: function animate(target, currentRect, toRect, duration) {
if (duration) {
css(target, 'transition', '');
css(target, 'transform', '');
var elMatrix = matrix(this.el),
scaleX = elMatrix && elMatrix.a,
scaleY = elMatrix && elMatrix.d,
translateX = (currentRect.left - toRect.left) / (scaleX || 1),
translateY = (currentRect.top - toRect.top) / (scaleY || 1);
target.animatingX = !!translateX;
target.animatingY = !!translateY;
css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
this.forRepaintDummy = repaint(target); // repaint
css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
css(target, 'transform', 'translate3d(0,0,0)');
typeof target.animated === 'number' && clearTimeout(target.animated);
target.animated = setTimeout(function () {
css(target, 'transition', '');
css(target, 'transform', '');
target.animated = false;
target.animatingX = false;
target.animatingY = false;
}, duration);
}
}
};
}
function repaint(target) {
return target.offsetWidth;
}
function calculateRealTime(animatingRect, fromRect, toRect, options) {
return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
}
var plugins = [];
var defaults = {
initializeByDefault: true
};
var PluginManager = {
mount: function mount(plugin) {
// Set default static properties
for (var option in defaults) {
if (defaults.hasOwnProperty(option) && !(option in plugin)) {
plugin[option] = defaults[option];
}
}
plugins.forEach(function (p) {
if (p.pluginName === plugin.pluginName) {
throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
}
});
plugins.push(plugin);
},
pluginEvent: function pluginEvent(eventName, sortable, evt) {
var _this = this;
this.eventCanceled = false;
evt.cancel = function () {
_this.eventCanceled = true;
};
var eventNameGlobal = eventName + 'Global';
plugins.forEach(function (plugin) {
if (!sortable[plugin.pluginName]) return;
// Fire global events if it exists in this sortable
if (sortable[plugin.pluginName][eventNameGlobal]) {
sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
sortable: sortable
}, evt));
}
// Only fire plugin event if plugin is enabled in this sortable,
// and plugin has event defined
if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
sortable[plugin.pluginName][eventName](_objectSpread2({
sortable: sortable
}, evt));
}
});
},
initializePlugins: function initializePlugins(sortable, el, defaults, options) {
plugins.forEach(function (plugin) {
var pluginName = plugin.pluginName;
if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
var initialized = new plugin(sortable, el, sortable.options);
initialized.sortable = sortable;
initialized.options = sortable.options;
sortable[pluginName] = initialized;
// Add default options from plugin
_extends(defaults, initialized.defaults);
});
for (var option in sortable.options) {
if (!sortable.options.hasOwnProperty(option)) continue;
var modified = this.modifyOption(sortable, option, sortable.options[option]);
if (typeof modified !== 'undefined') {
sortable.options[option] = modified;
}
}
},
getEventProperties: function getEventProperties(name, sortable) {
var eventProperties = {};
plugins.forEach(function (plugin) {
if (typeof plugin.eventProperties !== 'function') return;
_extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
});
return eventProperties;
},
modifyOption: function modifyOption(sortable, name, value) {
var modifiedValue;
plugins.forEach(function (plugin) {
// Plugin must exist on the Sortable
if (!sortable[plugin.pluginName]) return;
// If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
}
});
return modifiedValue;
}
};
function dispatchEvent(_ref) {
var sortable = _ref.sortable,
rootEl = _ref.rootEl,
name = _ref.name,
targetEl = _ref.targetEl,
cloneEl = _ref.cloneEl,
toEl = _ref.toEl,
fromEl = _ref.fromEl,
oldIndex = _ref.oldIndex,
newIndex = _ref.newIndex,
oldDraggableIndex = _ref.oldDraggableIndex,
newDraggableIndex = _ref.newDraggableIndex,
originalEvent = _ref.originalEvent,
putSortable = _ref.putSortable,
extraEventProperties = _ref.extraEventProperties;
sortable = sortable || rootEl && rootEl[expando];
if (!sortable) return;
var evt,
options = sortable.options,
onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
// Support for new CustomEvent feature
if (window.CustomEvent && !IE11OrLess && !Edge) {
evt = new CustomEvent(name, {
bubbles: true,
cancelable: true
});
} else {
evt = document.createEvent('Event');
evt.initEvent(name, true, true);
}
evt.to = toEl || rootEl;
evt.from = fromEl || rootEl;
evt.item = targetEl || rootEl;
evt.clone = cloneEl;
evt.oldIndex = oldIndex;
evt.newIndex = newIndex;
evt.oldDraggableIndex = oldDraggableIndex;
evt.newDraggableIndex = newDraggableIndex;
evt.originalEvent = originalEvent;
evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
for (var option in allEventProperties) {
evt[option] = allEventProperties[option];
}
if (rootEl) {
rootEl.dispatchEvent(evt);
}
if (options[onName]) {
options[onName].call(sortable, evt);
}
}
var _excluded = ["evt"];
var pluginEvent = function pluginEvent(eventName, sortable) {
var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
originalEvent = _ref.evt,
data = _objectWithoutProperties(_ref, _excluded);
PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
dragEl: dragEl,
parentEl: parentEl,
ghostEl: ghostEl,
rootEl: rootEl,
nextEl: nextEl,
lastDownEl: lastDownEl,
cloneEl: cloneEl,
cloneHidden: cloneHidden,
dragStarted: moved,
putSortable: putSortable,
activeSortable: Sortable.active,
originalEvent: originalEvent,
oldIndex: oldIndex,
oldDraggableIndex: oldDraggableIndex,
newIndex: newIndex,
newDraggableIndex: newDraggableIndex,
hideGhostForTarget: _hideGhostForTarget,
unhideGhostForTarget: _unhideGhostForTarget,
cloneNowHidden: function cloneNowHidden() {
cloneHidden = true;
},
cloneNowShown: function cloneNowShown() {
cloneHidden = false;
},
dispatchSortableEvent: function dispatchSortableEvent(name) {
_dispatchEvent({
sortable: sortable,
name: name,
originalEvent: originalEvent
});
}
}, data));
};
function _dispatchEvent(info) {
dispatchEvent(_objectSpread2({
putSortable: putSortable,
cloneEl: cloneEl,
targetEl: dragEl,
rootEl: rootEl,
oldIndex: oldIndex,
oldDraggableIndex: oldDraggableIndex,
newIndex: newIndex,
newDraggableIndex: newDraggableIndex
}, info));
}
var dragEl,
parentEl,
ghostEl,
rootEl,
nextEl,
lastDownEl,
cloneEl,
cloneHidden,
oldIndex,
newIndex,
oldDraggableIndex,
newDraggableIndex,
activeGroup,
putSortable,
awaitingDragStarted = false,
ignoreNextClick = false,
sortables = [],
tapEvt,
touchEvt,
lastDx,
lastDy,
tapDistanceLeft,
tapDistanceTop,
moved,
lastTarget,
lastDirection,
pastFirstInvertThresh = false,
isCircumstantialInvert = false,
targetMoveDistance,
// For positioning ghost absolutely
ghostRelativeParent,
ghostRelativeParentInitialScroll = [],
// (left, top)
_silent = false,
savedInputChecked = [];
/** @const */
var documentExists = typeof document !== 'undefined',
PositionGhostAbsolutely = IOS,
CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
// This will not pass for IE9, because IE9 DnD only works on anchors
supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
supportCssPointerEvents = function () {
if (!documentExists) return;
// false when <= IE11
if (IE11OrLess) {
return false;
}
var el = document.createElement('x');
el.style.cssText = 'pointer-events:auto';
return el.style.pointerEvents === 'auto';
}(),
_detectDirection = function _detectDirection(el, options) {
var elCSS = css(el),
elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
child1 = getChild(el, 0, options),
child2 = getChild(el, 1, options),
firstChildCSS = child1 && css(child1),
secondChildCSS = child2 && css(child2),
firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;
if (elCSS.display === 'flex') {
return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
}
if (elCSS.display === 'grid') {
return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
}
if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
}
return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
},
_dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
dragElOppLength = vertical ? dragRect.width : dragRect.height,
targetS1Opp = vertical ? targetRect.left : targetRect.top,
targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
targetOppLength = vertical ? targetRect.width : targetRect.height;
return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
},
/**
* Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
* @param {Number} x X position
* @param {Number} y Y position
* @return {HTMLElement} Element of the first found nearest Sortable
*/
_detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
var ret;
sortables.some(function (sortable) {
var threshold = sortable[expando].options.emptyInsertThreshold;
if (!threshold || lastChild(sortable)) return;
var rect = getRect(sortable),
insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
if (insideHorizontally && insideVertically) {
return ret = sortable;
}
});
return ret;
},
_prepareGroup = function _prepareGroup(options) {
function toFn(value, pull) {
return function (to, from, dragEl, evt) {
var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
if (value == null && (pull || sameGroup)) {
// Default pull value
// Default pull and put value if same group
return true;