/**!
|
* Sortable 1.11.0
|
* @author RubaXa <trash@rubaxa.org>
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* @author owenm <owen23355@gmail.com>
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* @license MIT
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*/
|
(function (global, factory) {
|
typeof exports === "object" && typeof module !== "undefined"
|
? (module.exports = factory())
|
: typeof define === "function" && define.amd
|
? define(factory)
|
: ((global =
|
typeof globalThis !== "undefined" ? globalThis : global || self),
|
(global.Sortable = factory()));
|
})(this, function () {
|
"use strict";
|
const __warn =
|
"" +
|
"Importing Sortable directly from GitHub is deprecated.\n" +
|
"This file will not receive any more updates.\n" +
|
"Please follow the usage instructions to continue getting support: https://github.com/SortableJS/Sortable";
|
|
console.warn(__warn);
|
|
var version = "1.11.0";
|
|
function userAgent(pattern) {
|
if (typeof window !== "undefined" && window.navigator) {
|
return !!(/*@__PURE__*/ navigator.userAgent.match(pattern));
|
}
|
}
|
|
const IE11OrLess = userAgent(
|
/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i
|
);
|
const Edge = userAgent(/Edge/i);
|
const FireFox = userAgent(/firefox/i);
|
const Safari =
|
userAgent(/safari/i) && !userAgent(/chrome/i) && !userAgent(/android/i);
|
const IOS = userAgent(/iP(ad|od|hone)/i);
|
const ChromeForAndroid = userAgent(/chrome/i) && userAgent(/android/i);
|
|
const 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;
|
}
|
|
const R_SPACE = /\s+/g;
|
|
function toggleClass(el, name, state) {
|
if (el && name) {
|
if (el.classList) {
|
el.classList[state ? "add" : "remove"](name);
|
} else {
|
let className = (" " + el.className + " ")
|
.replace(R_SPACE, " ")
|
.replace(" " + name + " ", " ");
|
el.className = (className + (state ? " " + name : "")).replace(
|
R_SPACE,
|
" "
|
);
|
}
|
}
|
}
|
|
function css(el, prop, val) {
|
let 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) {
|
let appliedTransforms = "";
|
if (typeof el === "string") {
|
appliedTransforms = el;
|
} else {
|
do {
|
//@ts-ignore
|
let transform = css(el, "transform");
|
|
if (transform && transform !== "none") {
|
appliedTransforms = transform + " " + appliedTransforms;
|
}
|
/* jshint boss:true */
|
} while (!selfOnly && (el = el.parentNode));
|
}
|
|
//@ts-ignore
|
const matrixFn =
|
window.DOMMatrix ||
|
window.WebKitCSSMatrix ||
|
window.CSSMatrix ||
|
window.MSCSSMatrix;
|
/*jshint -W056 */
|
return matrixFn && new matrixFn(appliedTransforms);
|
}
|
|
function find(ctx, tagName, iterator) {
|
if (ctx) {
|
let list = ctx.getElementsByTagName(tagName),
|
i = 0,
|
n = list.length;
|
|
if (iterator) {
|
for (; i < n; i++) {
|
iterator(list[i], i);
|
}
|
}
|
|
return list;
|
}
|
|
return [];
|
}
|
|
function getWindowScrollingElement() {
|
let 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;
|
|
let elRect, top, left, bottom, right, height, width;
|
|
if (el !== window && el !== getWindowScrollingElement()) {
|
elRect = el.getBoundingClientRect();
|
top = elRect.top;
|
left = elRect.left;
|
bottom = elRect.bottom;
|
right = elRect.right;
|
height = elRect.height;
|
width = elRect.width;
|
} else {
|
top = 0;
|
left = 0;
|
bottom = window.innerHeight;
|
right = window.innerWidth;
|
height = window.innerHeight;
|
width = window.innerWidth;
|
}
|
|
if (
|
(relativeToContainingBlock || relativeToNonStaticParent) &&
|
el !== window
|
) {
|
// Adjust for translate()
|
container = container || el.parentNode;
|
|
// solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
|
// Not needed on <= IE11
|
if (!IE11OrLess) {
|
do {
|
if (
|
container &&
|
container.getBoundingClientRect &&
|
//@ts-ignore
|
(css(container, "transform") !== "none" ||
|
(relativeToNonStaticParent &&
|
//@ts-ignore
|
css(container, "position") !== "static"))
|
) {
|
let containerRect = container.getBoundingClientRect();
|
|
// Set relative to edges of padding box of container
|
//@ts-ignore
|
top -=
|
containerRect.top + parseInt(css(container, "border-top-width"));
|
//@ts-ignore
|
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()
|
//@ts-ignore
|
let 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) {
|
let parent = getParentAutoScrollElement(el, true),
|
//@ts-ignore
|
elSideVal = getRect(el)[elSide];
|
|
/* jshint boss:true */
|
while (parent) {
|
//@ts-ignore
|
let parentSideVal = getRect(parent)[parentSide],
|
visible;
|
|
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) {
|
let currentChild = 0,
|
i = 0,
|
children = el.children;
|
|
while (i < children.length) {
|
if (
|
children[i].style.display !== "none" &&
|
//@ts-ignore
|
children[i] !== Sortable.ghost &&
|
//@ts-ignore
|
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) {
|
let last = el.lastElementChild;
|
|
while (
|
last &&
|
//@ts-ignore
|
(last === Sortable.ghost ||
|
//@ts-ignore
|
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) {
|
let index = 0;
|
|
if (!el || !el.parentNode) {
|
return -1;
|
}
|
|
/* jshint boss:true */
|
while ((el = el.previousElementSibling)) {
|
//@ts-ignore
|
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) {
|
let offsetLeft = 0,
|
offsetTop = 0,
|
winScroller = getWindowScrollingElement();
|
|
if (el) {
|
do {
|
//@ts-ignore
|
let 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 (let i in arr) {
|
if (!arr.hasOwnProperty(i)) continue;
|
for (let 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();
|
|
let elem = el;
|
let 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
|
) {
|
//@ts-ignore
|
let 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 (let 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)
|
);
|
}
|
|
let _throttleTimeout;
|
function throttle(callback, ms) {
|
return function () {
|
if (!_throttleTimeout) {
|
let 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) {
|
//@ts-ignore
|
let Polymer = window.Polymer;
|
//@ts-ignore
|
let $ = 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", "");
|
}
|
|
const expando = "Sortable" + new Date().getTime();
|
|
function AnimationStateManager() {
|
let animationStates = [],
|
animationCallbackId;
|
|
return {
|
captureAnimationState() {
|
animationStates = [];
|
if (!this.options.animation) return;
|
let children = [].slice.call(this.el.children);
|
|
children.forEach((child) => {
|
if (css(child, "display") === "none" || child === Sortable.ghost)
|
return;
|
animationStates.push({
|
target: child,
|
rect: getRect(child),
|
});
|
let fromRect = {
|
...animationStates[animationStates.length - 1].rect,
|
};
|
|
// If animating: compensate for current animation
|
if (child.thisAnimationDuration) {
|
let childMatrix = matrix(child, true);
|
if (childMatrix) {
|
fromRect.top -= childMatrix.f;
|
fromRect.left -= childMatrix.e;
|
}
|
}
|
|
child.fromRect = fromRect;
|
});
|
},
|
|
addAnimationState(state) {
|
animationStates.push(state);
|
},
|
|
removeAnimationState(target) {
|
animationStates.splice(indexOfObject(animationStates, { target }), 1);
|
},
|
|
animateAll(callback) {
|
if (!this.options.animation) {
|
clearTimeout(animationCallbackId);
|
if (typeof callback === "function") callback();
|
return;
|
}
|
|
let animating = false,
|
animationTime = 0;
|
|
animationStates.forEach((state) => {
|
let 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(target, currentRect, toRect, duration) {
|
if (duration) {
|
css(target, "transition", "");
|
css(target, "transform", "");
|
let 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
|
);
|
}
|
|
let plugins = [];
|
|
const defaults = {
|
initializeByDefault: true,
|
};
|
|
var PluginManager = {
|
mount(plugin) {
|
// Set default static properties
|
for (let option in defaults) {
|
if (defaults.hasOwnProperty(option) && !(option in plugin)) {
|
plugin[option] = defaults[option];
|
}
|
}
|
plugins.push(plugin);
|
},
|
pluginEvent(eventName, sortable, evt) {
|
this.eventCanceled = false;
|
evt.cancel = () => {
|
this.eventCanceled = true;
|
};
|
const eventNameGlobal = eventName + "Global";
|
plugins.forEach((plugin) => {
|
if (!sortable[plugin.pluginName]) return;
|
// Fire global events if it exists in this sortable
|
if (sortable[plugin.pluginName][eventNameGlobal]) {
|
sortable[plugin.pluginName][eventNameGlobal]({ 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]({ sortable, ...evt });
|
}
|
});
|
},
|
initializePlugins(sortable, el, defaults, options) {
|
plugins.forEach((plugin) => {
|
const pluginName = plugin.pluginName;
|
if (!sortable.options[pluginName] && !plugin.initializeByDefault)
|
return;
|
|
let initialized = new plugin(sortable, el, sortable.options);
|
initialized.sortable = sortable;
|
initialized.options = sortable.options;
|
sortable[pluginName] = initialized;
|
|
// Add default options from plugin
|
Object.assign(defaults, initialized.defaults);
|
});
|
|
for (let option in sortable.options) {
|
if (!sortable.options.hasOwnProperty(option)) continue;
|
let modified = this.modifyOption(
|
sortable,
|
option,
|
sortable.options[option]
|
);
|
if (typeof modified !== "undefined") {
|
sortable.options[option] = modified;
|
}
|
}
|
},
|
getEventProperties(name, sortable) {
|
let eventProperties = {};
|
plugins.forEach((plugin) => {
|
if (typeof plugin.eventProperties !== "function") return;
|
Object.assign(
|
eventProperties,
|
plugin.eventProperties.call(sortable[plugin.pluginName], name)
|
);
|
});
|
|
return eventProperties;
|
},
|
modifyOption(sortable, name, value) {
|
let modifiedValue;
|
plugins.forEach((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({
|
sortable,
|
rootEl,
|
name,
|
targetEl,
|
cloneEl,
|
toEl,
|
fromEl,
|
oldIndex,
|
newIndex,
|
oldDraggableIndex,
|
newDraggableIndex,
|
originalEvent,
|
putSortable,
|
extraEventProperties,
|
}) {
|
sortable = sortable || (rootEl && rootEl[expando]);
|
if (!sortable) return;
|
|
let 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;
|
|
let allEventProperties = {
|
...extraEventProperties,
|
...PluginManager.getEventProperties(name, sortable),
|
};
|
for (let option in allEventProperties) {
|
evt[option] = allEventProperties[option];
|
}
|
|
if (rootEl) {
|
rootEl.dispatchEvent(evt);
|
}
|
|
if (options[onName]) {
|
options[onName].call(sortable, evt);
|
}
|
}
|
|
/**!
|
* Sortable
|
* @author RubaXa <trash@rubaxa.org>
|
* @author owenm <owen23355@gmail.com>
|
* @license MIT
|
*/
|
|
let pluginEvent = function (
|
eventName,
|
sortable,
|
{ evt: originalEvent, ...data } = {}
|
) {
|
PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, {
|
dragEl,
|
parentEl,
|
ghostEl,
|
rootEl,
|
nextEl,
|
lastDownEl,
|
cloneEl,
|
cloneHidden,
|
dragStarted: moved,
|
putSortable,
|
activeSortable: Sortable.active,
|
originalEvent,
|
|
oldIndex,
|
oldDraggableIndex,
|
newIndex,
|
newDraggableIndex,
|
|
hideGhostForTarget: _hideGhostForTarget,
|
unhideGhostForTarget: _unhideGhostForTarget,
|
|
cloneNowHidden() {
|
cloneHidden = true;
|
},
|
cloneNowShown() {
|
cloneHidden = false;
|
},
|
|
dispatchSortableEvent(name) {
|
_dispatchEvent({ sortable, name, originalEvent });
|
},
|
|
...data,
|
});
|
};
|
|
function _dispatchEvent(info) {
|
dispatchEvent({
|
putSortable,
|
cloneEl,
|
targetEl: dragEl,
|
rootEl,
|
oldIndex,
|
oldDraggableIndex,
|
newIndex,
|
newDraggableIndex,
|
...info,
|
});
|
}
|
|
let 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 */
|
const 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;
|
}
|
let el = document.createElement("x");
|
el.style.cssText = "pointer-events:auto";
|
return el.style.pointerEvents === "auto";
|
})(),
|
_detectDirection = function (el, options) {
|
let 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") {
|
let 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 (dragRect, targetRect, vertical) {
|
let 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 (x, y) {
|
let ret;
|
sortables.some((sortable) => {
|
if (lastChild(sortable)) return;
|
|
let 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 (options) {
|
function toFn(value, pull) {
|
return function (to, from, dragEl, evt) {
|
let 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 {
|
let otherGroup = (pull ? to : from).options.group.name;
|
|
return (
|
value === true ||
|
(typeof value === "string" && value === otherGroup) ||
|
(value.join && value.indexOf(otherGroup) > -1)
|
);
|
}
|
};
|
}
|
|
let group = {};
|
let 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 () {
|
if (!supportCssPointerEvents && ghostEl) {
|
css(ghostEl, "display", "none");
|
}
|
},
|
_unhideGhostForTarget = function () {
|
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
|
);
|
}
|
|
let nearestEmptyInsertDetectEvent = function (evt) {
|
if (dragEl) {
|
evt = evt.touches ? evt.touches[0] : evt;
|
let nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);
|
|
if (nearest) {
|
// Create imitation event
|
let event = {};
|
for (let 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);
|
}
|
}
|
};
|
|
let _checkOutsideTargetEl = function (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 ${{}.toString.call(
|
el
|
)}`;
|
}
|
|
this.el = el; // root element
|
this.options = options = Object.assign({}, options);
|
|
// Export instance
|
el[expando] = this;
|
|
let defaults = {
|
group: null,
|
sort: true,
|
disabled: false,
|
store: null,
|
handle: null,
|
draggable: /^[uo]l$/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 () {
|
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 (dataTransfer, dragEl) {
|
dataTransfer.setData("Text", dragEl.textContent);
|
},
|
dropBubble: false,
|
dragoverBubble: false,
|
dataIdAttr: "data-id",
|
delay: 0,
|
delayOnTouchOnly: false,
|
touchStartThreshold:
|
(Number.parseInt ? Number : window).parseInt(
|
window.devicePixelRatio,
|
10
|
) || 1,
|
forceFallback: false,
|
fallbackClass: "sortable-fallback",
|
fallbackOnBody: false,
|
fallbackTolerance: 0,
|
fallbackOffset: { x: 0, y: 0 },
|
supportPointer:
|
Sortable.supportPointer !== false && "PointerEvent" in window,
|
emptyInsertThreshold: 5,
|
};
|
|
PluginManager.initializePlugins(this, el, defaults);
|
|
// Set default options
|
for (let name in defaults) {
|
!(name in options) && (options[name] = defaults[name]);
|
}
|
|
_prepareGroup(options);
|
|
// Bind all private methods
|
for (let 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
|
Object.assign(this, AnimationStateManager());
|
}
|
|
Sortable.prototype = /** @lends Sortable.prototype */ {
|
constructor: Sortable,
|
|
_isOutsideThisEl: function (target) {
|
if (!this.el.contains(target) && target !== this.el) {
|
lastTarget = null;
|
}
|
},
|
|
_getDirection: function (evt, target) {
|
return typeof this.options.direction === "function"
|
? this.options.direction.call(this, evt, target, dragEl)
|
: this.options.direction;
|
},
|
|
_onTapStart: function (/** Event|TouchEvent */ evt) {
|
if (!evt.cancelable) return;
|
let _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 });
|
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 });
|
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 (
|
/** Event */ evt,
|
/** Touch */ touch,
|
/** HTMLElement */ target
|
) {
|
let _this = this,
|
el = _this.el,
|
options = _this.options,
|
ownerDocument = el.ownerDocument,
|
dragStartFn;
|
|
if (target && !dragEl && target.parentNode === el) {
|
let 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 () {
|
pluginEvent("delayEnded", _this, { 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 });
|
|
// 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 (/** TouchEvent|PointerEvent **/ e) {
|
let 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 () {
|
dragEl && _disableDraggable(dragEl);
|
clearTimeout(this._dragStartTimer);
|
|
this._disableDelayedDragEvents();
|
},
|
|
_disableDelayedDragEvents: function () {
|
let 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 (/** 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 (fallback, evt) {
|
awaitingDragStarted = false;
|
if (rootEl && dragEl) {
|
pluginEvent("dragStarted", this, { evt });
|
|
if (this.nativeDraggable) {
|
on(document, "dragover", _checkOutsideTargetEl);
|
}
|
let 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 () {
|
if (touchEvt) {
|
this._lastX = touchEvt.clientX;
|
this._lastY = touchEvt.clientY;
|
|
_hideGhostForTarget();
|
|
let target = document.elementFromPoint(
|
touchEvt.clientX,
|
touchEvt.clientY
|
);
|
let 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]) {
|
let inserted;
|
|
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
|
} while (
|
/* jshint boss:true */
|
(parent = parent.parentNode)
|
);
|
}
|
|
_unhideGhostForTarget();
|
}
|
},
|
|
_onTouchMove: function (/**TouchEvent*/ evt) {
|
if (tapEvt) {
|
let 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,
|
};
|
}
|
|
let cssMatrix = `matrix(${ghostMatrix.a},${ghostMatrix.b},${ghostMatrix.c},${ghostMatrix.d},${ghostMatrix.e},${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 () {
|
// Bug if using scale(): https://stackoverflow.com/questions/2637058
|
// Not being adjusted for
|
if (!ghostEl) {
|
let 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 (/**Event*/ evt, /**boolean*/ fallback) {
|
let _this = this;
|
let dataTransfer = evt.dataTransfer;
|
let options = _this.options;
|
|
pluginEvent("dragStart", this, { 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 (/**Event*/ evt) {
|
let 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, {
|
evt,
|
isOwner,
|
axis: vertical ? "vertical" : "horizontal",
|
revert,
|
dragRect,
|
targetRect,
|
canSort,
|
fromSortable,
|
target,
|
completed,
|
onMove(target, after) {
|
return onMove(
|
rootEl,
|
el,
|
dragEl,
|
dragRect,
|
target,
|
getRect(target),
|
evt,
|
after
|
);
|
},
|
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 });
|
|
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,
|
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);
|
}
|
|
let 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);
|
let 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
|
);
|
|
let sibling;
|
|
if (direction !== 0) {
|
// Check if target is beside dragEl in respective direction (ignoring hidden elements)
|
let 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;
|
|
let nextSibling = target.nextElementSibling,
|
after = false;
|
|
after = direction === 1;
|
|
let 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 () {
|
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 () {
|
let 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 (/**Event*/ evt) {
|
let 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,
|
});
|
|
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 () {
|
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 (/**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 () {
|
let 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 (order) {
|
let items = {},
|
rootEl = this.el;
|
|
this.toArray().forEach(function (id, i) {
|
let el = rootEl.children[i];
|
|
if (closest(el, this.options.draggable, rootEl, false)) {
|
items[id] = el;
|
}
|
}, this);
|
|
order.forEach(function (id) {
|
if (items[id]) {
|
rootEl.removeChild(items[id]);
|
rootEl.appendChild(items[id]);
|
}
|
});
|
},
|
|
/**
|
* Save the current sorting
|
*/
|
save: function () {
|
let 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 (el, selector) {
|
return closest(el, selector || this.options.draggable, this.el, false);
|
},
|
|
/**
|
* Set/get option
|
* @param {string} name
|
* @param {*} [value]
|
* @returns {*}
|
*/
|
option: function (name, value) {
|
let options = this.options;
|
|
if (value === void 0) {
|
return options[name];
|
} else {
|
let 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 () {
|
pluginEvent("destroy", this);
|
let 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 () {
|
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 (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
|
) {
|
let 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) {
|
let rect = getRect(lastChild(sortable.el, sortable.options.draggable));
|
const 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
|
) {
|
let 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) {
|
let 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;
|
|
let inputs = root.getElementsByTagName("input");
|
let idx = inputs.length;
|
|
while (idx--) {
|
let 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 (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 (...plugins) {
|
if (plugins[0].constructor === Array) plugins = plugins[0];
|
|
plugins.forEach((plugin) => {
|
if (!plugin.prototype || !plugin.prototype.constructor) {
|
throw `Sortable: Mounted plugin must be a constructor function, not ${{}.toString.call(
|
plugin
|
)}`;
|
}
|
if (plugin.utils) Sortable.utils = { ...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;
|
|
let 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 (let fn in this) {
|
if (fn.charAt(0) === "_" && typeof this[fn] === "function") {
|
this[fn] = this[fn].bind(this);
|
}
|
}
|
}
|
|
AutoScroll.prototype = {
|
dragStarted({ 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({ originalEvent }) {
|
// For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
|
if (!this.options.dragOverBubble && !originalEvent.rootEl) {
|
this._handleAutoScroll(originalEvent);
|
}
|
},
|
|
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() {
|
touchEvt$1 = scrollRootEl = scrollEl = scrolling = pointerElemChangedInterval = lastAutoScrollX = lastAutoScrollY = null;
|
|
autoScrolls.length = 0;
|
},
|
|
_handleFallbackAutoScroll(evt) {
|
this._handleAutoScroll(evt, true);
|
},
|
|
_handleAutoScroll(evt, fallback) {
|
const 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
|
let ogElemScroller = getParentAutoScrollElement(elem, true);
|
if (
|
scrolling &&
|
(!pointerElemChangedInterval ||
|
x !== lastAutoScrollX ||
|
y !== lastAutoScrollY)
|
) {
|
pointerElemChangedInterval && clearPointerElemChangedInterval();
|
// Detect for pointer elem change, emulating native DnD behaviour
|
pointerElemChangedInterval = setInterval(() => {
|
let 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 Object.assign(AutoScroll, {
|
pluginName: "scroll",
|
initializeByDefault: true,
|
});
|
}
|
|
function clearAutoScrolls() {
|
autoScrolls.forEach(function (autoScroll) {
|
clearInterval(autoScroll.pid);
|
});
|
autoScrolls = [];
|
}
|
|
function clearPointerElemChangedInterval() {
|
clearInterval(pointerElemChangedInterval);
|
}
|
|
const autoScroll = throttle(function (evt, options, rootEl, isFallback) {
|
// Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
|
if (!options.scroll) return;
|
const x = (evt.touches ? evt.touches[0] : evt).clientX,
|
y = (evt.touches ? evt.touches[0] : evt).clientY,
|
sens = options.scrollSensitivity,
|
speed = options.scrollSpeed,
|
winScroller = getWindowScrollingElement();
|
|
let 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);
|
}
|
}
|
|
let layersOut = 0;
|
let currentParent = scrollEl;
|
do {
|
let el = currentParent,
|
rect = getRect(el),
|
top = rect.top,
|
bottom = rect.bottom,
|
left = rect.left,
|
right = rect.right,
|
width = rect.width,
|
height = rect.height,
|
canScrollX,
|
canScrollY,
|
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");
|
}
|
|
let vx =
|
canScrollX &&
|
(Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) -
|
(Math.abs(left - x) <= sens && !!scrollPosX);
|
let vy =
|
canScrollY &&
|
(Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) -
|
(Math.abs(top - y) <= sens && !!scrollPosY);
|
|
if (!autoScrolls[layersOut]) {
|
for (let 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
|
}
|
let scrollOffsetY = autoScrolls[this.layer].vy
|
? autoScrolls[this.layer].vy * speed
|
: 0;
|
let 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);
|
|
const drop = function ({
|
originalEvent,
|
putSortable,
|
dragEl,
|
activeSortable,
|
dispatchSortableEvent,
|
hideGhostForTarget,
|
unhideGhostForTarget,
|
}) {
|
if (!originalEvent) return;
|
let toSortable = putSortable || activeSortable;
|
hideGhostForTarget();
|
let touch =
|
originalEvent.changedTouches && originalEvent.changedTouches.length
|
? originalEvent.changedTouches[0]
|
: originalEvent;
|
let target = document.elementFromPoint(touch.clientX, touch.clientY);
|
unhideGhostForTarget();
|
if (toSortable && !toSortable.el.contains(target)) {
|
dispatchSortableEvent("spill");
|
this.onSpill({ dragEl, putSortable });
|
}
|
};
|
|
function Revert() {}
|
|
Revert.prototype = {
|
startIndex: null,
|
dragStart({ oldDraggableIndex }) {
|
this.startIndex = oldDraggableIndex;
|
},
|
onSpill({ dragEl, putSortable }) {
|
this.sortable.captureAnimationState();
|
if (putSortable) {
|
putSortable.captureAnimationState();
|
}
|
let 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,
|
};
|
|
Object.assign(Revert, {
|
pluginName: "revertOnSpill",
|
});
|
|
function Remove() {}
|
|
Remove.prototype = {
|
onSpill({ dragEl, putSortable }) {
|
const parentSortable = putSortable || this.sortable;
|
parentSortable.captureAnimationState();
|
dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
|
parentSortable.animateAll();
|
},
|
drop,
|
};
|
|
Object.assign(Remove, {
|
pluginName: "removeOnSpill",
|
});
|
|
let lastSwapEl;
|
|
function SwapPlugin() {
|
function Swap() {
|
this.defaults = {
|
swapClass: "sortable-swap-highlight",
|
};
|
}
|
|
Swap.prototype = {
|
dragStart({ dragEl }) {
|
lastSwapEl = dragEl;
|
},
|
dragOverValid({
|
completed,
|
target,
|
onMove,
|
activeSortable,
|
changed,
|
cancel,
|
}) {
|
if (!activeSortable.options.swap) return;
|
let el = this.sortable.el,
|
options = this.options;
|
if (target && target !== el) {
|
let 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({ activeSortable, putSortable, dragEl }) {
|
let toSortable = putSortable || this.sortable;
|
let 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() {
|
lastSwapEl = null;
|
},
|
};
|
|
return Object.assign(Swap, {
|
pluginName: "swap",
|
eventProperties() {
|
return {
|
swapItem: lastSwapEl,
|
};
|
},
|
});
|
}
|
|
function swapNodes(n1, n2) {
|
let 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]);
|
}
|
|
let 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 (let 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(dataTransfer, dragEl) {
|
let data = "";
|
if (multiDragElements.length && multiDragSortable === sortable) {
|
multiDragElements.forEach((multiDragElement, i) => {
|
data += (!i ? "" : ", ") + multiDragElement.textContent;
|
});
|
} else {
|
data = dragEl.textContent;
|
}
|
dataTransfer.setData("Text", data);
|
},
|
};
|
}
|
|
MultiDrag.prototype = {
|
multiDragKeyDown: false,
|
isMultiDrag: false,
|
|
delayStartGlobal({ dragEl: dragged }) {
|
dragEl$1 = dragged;
|
},
|
|
delayEnded() {
|
this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
|
},
|
|
setupClone({ sortable, cancel }) {
|
if (!this.isMultiDrag) return;
|
for (let 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({ sortable, rootEl, dispatchSortableEvent, cancel }) {
|
if (!this.isMultiDrag) return;
|
if (!this.options.removeCloneOnHide) {
|
if (multiDragElements.length && multiDragSortable === sortable) {
|
insertMultiDragClones(true, rootEl);
|
dispatchSortableEvent("clone");
|
|
cancel();
|
}
|
}
|
},
|
|
showClone({ cloneNowShown, rootEl, cancel }) {
|
if (!this.isMultiDrag) return;
|
insertMultiDragClones(false, rootEl);
|
multiDragClones.forEach((clone) => {
|
css(clone, "display", "");
|
});
|
|
cloneNowShown();
|
clonesHidden = false;
|
cancel();
|
},
|
|
hideClone({ sortable, cloneNowHidden, cancel }) {
|
if (!this.isMultiDrag) return;
|
multiDragClones.forEach((clone) => {
|
css(clone, "display", "none");
|
if (this.options.removeCloneOnHide && clone.parentNode) {
|
clone.parentNode.removeChild(clone);
|
}
|
});
|
|
cloneNowHidden();
|
clonesHidden = true;
|
cancel();
|
},
|
|
dragStartGlobal({ sortable }) {
|
if (!this.isMultiDrag && multiDragSortable) {
|
multiDragSortable.multiDrag._deselectMultiDrag();
|
}
|
|
multiDragElements.forEach((multiDragElement) => {
|
multiDragElement.sortableIndex = index(multiDragElement);
|
});
|
|
// Sort multi-drag elements
|
multiDragElements = multiDragElements.sort(function (a, b) {
|
return a.sortableIndex - b.sortableIndex;
|
});
|
dragStarted = true;
|
},
|
|
dragStarted({ 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((multiDragElement) => {
|
if (multiDragElement === dragEl$1) return;
|
css(multiDragElement, "position", "absolute");
|
});
|
|
let dragRect = getRect(dragEl$1, false, true, true);
|
|
multiDragElements.forEach((multiDragElement) => {
|
if (multiDragElement === dragEl$1) return;
|
setRect(multiDragElement, dragRect);
|
});
|
|
folding = true;
|
initialFolding = true;
|
}
|
}
|
|
sortable.animateAll(() => {
|
folding = false;
|
initialFolding = false;
|
|
if (this.options.animation) {
|
multiDragElements.forEach((multiDragElement) => {
|
unsetRect(multiDragElement);
|
});
|
}
|
|
// Remove all auxiliary multidrag items from el, if sorting enabled
|
if (this.options.sort) {
|
removeMultiDragElements();
|
}
|
});
|
},
|
|
dragOver({ target, completed, cancel }) {
|
if (folding && ~multiDragElements.indexOf(target)) {
|
completed(false);
|
cancel();
|
}
|
},
|
|
revert({ fromSortable, rootEl, sortable, dragRect }) {
|
if (multiDragElements.length > 1) {
|
// Setup unfold animation
|
multiDragElements.forEach((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({
|
sortable,
|
isOwner,
|
insertion,
|
activeSortable,
|
parentEl,
|
putSortable,
|
}) {
|
let 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
|
let dragRectAbsolute = getRect(dragEl$1, false, true, true);
|
|
multiDragElements.forEach((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) {
|
let clonesHiddenBefore = clonesHidden;
|
activeSortable._showClone(sortable);
|
|
// Unfold animation for clones if showing from hidden
|
if (
|
activeSortable.options.animation &&
|
!clonesHidden &&
|
clonesHiddenBefore
|
) {
|
multiDragClones.forEach((clone) => {
|
activeSortable.addAnimationState({
|
target: clone,
|
rect: clonesFromRect,
|
});
|
|
clone.fromRect = clonesFromRect;
|
clone.thisAnimationDuration = null;
|
});
|
}
|
} else {
|
activeSortable._showClone(sortable);
|
}
|
}
|
}
|
},
|
|
dragOverAnimationCapture({ dragRect, isOwner, activeSortable }) {
|
multiDragElements.forEach((multiDragElement) => {
|
multiDragElement.thisAnimationDuration = null;
|
});
|
|
if (
|
activeSortable.options.animation &&
|
!isOwner &&
|
activeSortable.multiDrag.isMultiDrag
|
) {
|
clonesFromRect = Object.assign({}, dragRect);
|
let dragMatrix = matrix(dragEl$1, true);
|
clonesFromRect.top -= dragMatrix.f;
|
clonesFromRect.left -= dragMatrix.e;
|
}
|
},
|
|
dragOverAnimationComplete() {
|
if (folding) {
|
folding = false;
|
removeMultiDragElements();
|
}
|
},
|
|
drop({
|
originalEvent: evt,
|
rootEl,
|
parentEl,
|
sortable,
|
dispatchSortableEvent,
|
oldIndex,
|
putSortable,
|
}) {
|
let toSortable = putSortable || this.sortable;
|
|
if (!evt) return;
|
|
let 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,
|
rootEl,
|
name: "select",
|
targetEl: dragEl$1,
|
originalEvt: evt,
|
});
|
|
// Modifier activated, select from last to dragEl
|
if (
|
evt.shiftKey &&
|
lastMultiDragSelect &&
|
sortable.el.contains(lastMultiDragSelect)
|
) {
|
let 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)
|
let 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,
|
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,
|
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
|
) {
|
let 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((multiDragElement) => {
|
multiDragElement.thisAnimationDuration = null;
|
if (multiDragElement !== dragEl$1) {
|
let 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((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)) {
|
let update = false;
|
multiDragElements.forEach((multiDragElement) => {
|
if (
|
multiDragElement.sortableIndex !== index(multiDragElement)
|
) {
|
update = true;
|
return;
|
}
|
});
|
|
if (update) {
|
dispatchSortableEvent("update");
|
}
|
}
|
}
|
|
// Must be done after capturing individual rects (scroll bar)
|
multiDragElements.forEach((multiDragElement) => {
|
unsetRect(multiDragElement);
|
});
|
|
toSortable.animateAll();
|
}
|
|
multiDragSortable = toSortable;
|
}
|
|
// Remove clones if necessary
|
if (
|
rootEl === parentEl ||
|
(putSortable && putSortable.lastPutMode !== "clone")
|
) {
|
multiDragClones.forEach((clone) => {
|
clone.parentNode && clone.parentNode.removeChild(clone);
|
});
|
}
|
},
|
|
nullingGlobal() {
|
this.isMultiDrag = dragStarted = false;
|
multiDragClones.length = 0;
|
},
|
|
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(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) {
|
let 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(evt) {
|
if (evt.key === this.options.multiDragKey) {
|
this.multiDragKeyDown = true;
|
}
|
},
|
|
_checkKeyUp(evt) {
|
if (evt.key === this.options.multiDragKey) {
|
this.multiDragKeyDown = false;
|
}
|
},
|
};
|
|
return Object.assign(MultiDrag, {
|
// Static methods & properties
|
pluginName: "multiDrag",
|
utils: {
|
/**
|
* Selects the provided multi-drag item
|
* @param {HTMLElement} el The element to be selected
|
*/
|
select(el) {
|
let 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(el) {
|
let 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() {
|
const oldIndicies = [],
|
newIndicies = [];
|
|
multiDragElements.forEach((multiDragElement) => {
|
oldIndicies.push({
|
multiDragElement,
|
index: multiDragElement.sortableIndex,
|
});
|
|
// multiDragElements will already be sorted if folding
|
let newIndex;
|
if (folding && multiDragElement !== dragEl$1) {
|
newIndex = -1;
|
} else if (folding) {
|
newIndex = index(
|
multiDragElement,
|
":not(." + this.options.selectedClass + ")"
|
);
|
} else {
|
newIndex = index(multiDragElement);
|
}
|
newIndicies.push({
|
multiDragElement,
|
index: newIndex,
|
});
|
});
|
return {
|
items: [...multiDragElements],
|
clones: [...multiDragClones],
|
oldIndicies,
|
newIndicies,
|
};
|
},
|
optionListeners: {
|
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((multiDragElement, i) => {
|
let 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((clone, i) => {
|
let target =
|
rootEl.children[
|
clone.sortableIndex + (elementsInserted ? Number(i) : 0)
|
];
|
if (target) {
|
rootEl.insertBefore(clone, target);
|
} else {
|
rootEl.appendChild(clone);
|
}
|
});
|
}
|
|
function removeMultiDragElements() {
|
multiDragElements.forEach((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;
|
});
|
