layui自动渲染表格添加行拖动功能
最近在做关于后台管理的项目，后台模板基础框架使用的是layui前端框架http://www.layui.com/。layui的表格渲染还是蛮好用的但是无法使用jQuery UI里的排序功能。下面是一个完美契合layui表格行拖动的插件，复制粘贴引入到jQuery文件的下方就可以使用
/**! * Sortable * @author RubaXa <trash@rubaxa.org> * @license MIT */ (function sortableModule(factory) { "use strict"; if (typeof define === "function" && define.amd) { define(factory); } else if (typeof module != "undefined" && typeof module.exports != "undefined") { module.exports = factory(); } else { /* jshint sub:true */ window["Sortable"] = factory(); } })(function sortableFactory() { "use strict"; if (typeof window === "undefined" || !window.document) { return function sortableError() { throw new Error("Sortable.js requires a window with a document"); }; } var dragEl, parentEl, ghostEl, cloneEl, rootEl, nextEl, lastDownEl, scrollEl, scrollParentEl, scrollCustomFn, lastEl, lastCSS, lastParentCSS, oldIndex, newIndex, activeGroup, putSortable, autoScroll = {}, tapEvt, touchEvt, moved, forRepaintDummy, /** @const */ R_SPACE = /\s+/g, R_FLOAT = /left|right|inline/, expando = 'Sortable' + (new Date).getTime(), win = window, document = win.document, parseInt = win.parseInt, setTimeout = win.setTimeout, $ = win.jQuery || win.Zepto, Polymer = win.Polymer, captureMode = false, passiveMode = false, supportDraggable = ('draggable' in document.createElement('div')), supportCssPointerEvents = (function (el) { // false when IE11 if (!!navigator.userAgent.match(/(?:Trident.*rv[ :]?11\.|msie)/i)) { return false; } el = document.createElement('x'); el.style.cssText = 'pointer-events:auto'; return el.style.pointerEvents === 'auto'; })(), _silent = false, abs = Math.abs, min = Math.min, savedInputChecked = [], touchDragOverListeners = [], alwaysFalse = function () { return false; }, _autoScroll = _throttle(function (/**Event*/evt, /**Object*/options, /**HTMLElement*/rootEl) { // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521 if (rootEl && options.scroll) { var _this = rootEl[expando], el, rect, sens = options.scrollSensitivity, speed = options.scrollSpeed, x = evt.clientX, y = evt.clientY, winWidth = window.innerWidth, winHeight = window.innerHeight, vx, vy, scrollOffsetX, scrollOffsetY ; // Delect scrollEl if (scrollParentEl !== rootEl) { scrollEl = options.scroll; scrollParentEl = rootEl; scrollCustomFn = options.scrollFn; if (scrollEl === true) { scrollEl = rootEl; do { if ((scrollEl.offsetWidth < scrollEl.scrollWidth) || (scrollEl.offsetHeight < scrollEl.scrollHeight) ) { break; } /* jshint boss:true */ } while (scrollEl = scrollEl.parentNode); } } if (scrollEl) { el = scrollEl; rect = scrollEl.getBoundingClientRect(); vx = (abs(rect.right - x) <= sens) - (abs(rect.left - x) <= sens); vy = (abs(rect.bottom - y) <= sens) - (abs(rect.top - y) <= sens); } if (!(vx || vy)) { vx = (winWidth - x <= sens) - (x <= sens); vy = (winHeight - y <= sens) - (y <= sens); /* jshint expr:true */ (vx || vy) && (el = win); } if (autoScroll.vx !== vx || autoScroll.vy !== vy || autoScroll.el !== el) { autoScroll.el = el; autoScroll.vx = vx; autoScroll.vy = vy; clearInterval(autoScroll.pid); if (el) { autoScroll.pid = setInterval(function () { scrollOffsetY = vy ? vy * speed : 0; scrollOffsetX = vx ? vx * speed : 0; if ('function' === typeof(scrollCustomFn)) { if (scrollCustomFn.call(_this, scrollOffsetX, scrollOffsetY, evt, touchEvt, el) !== 'continue') { return; } } if (el === win) { win.scrollTo(win.pageXOffset + scrollOffsetX, win.pageYOffset + scrollOffsetY); } else { el.scrollTop += scrollOffsetY; el.scrollLeft += scrollOffsetX; } }, 24); } } } }, 30), _prepareGroup = function (options) { function toFn(value, pull) { if (value == null || value === true) { value = group.name; if (value == null) { return alwaysFalse; } } if (typeof value === 'function') { return value; } else { return function (to, from) { var fromGroup = from.options.group.name; return pull ? value : value && (value.join ? value.indexOf(fromGroup) > -1 : (fromGroup == value) ); }; } } var group = {}; var originalGroup = options.group; if (!originalGroup || typeof originalGroup != 'object') { originalGroup = {name: originalGroup}; } group.name = originalGroup.name; group.checkPull = toFn(originalGroup.pull, true); group.checkPut = toFn(originalGroup.put); group.revertClone = originalGroup.revertClone; options.group = group; } ; // Detect support a passive mode try { window.addEventListener('test', null, Object.defineProperty({}, 'passive', { get: function () { // `false`, because everything starts to work incorrectly and instead of d'n'd, // begins the page has scrolled. passiveMode = false; captureMode = { capture: false, passive: passiveMode }; } })); } catch (err) {} /** * @class Sortable * @param {HTMLElement} el * @param {Object} [options] */ function Sortable(el, options) { if (!(el && el.nodeType && el.nodeType === 1)) { throw 'Sortable: `el` must be HTMLElement, and not ' + {}.toString.call(el); } this.el = el; // root element this.options = options = _extend({}, options); // Export instance el[expando] = this; // Default options var defaults = { group: null, sort: true, disabled: false, store: null, handle: null, scroll: true, scrollSensitivity: 30, scrollSpeed: 10, draggable: /[uo]l/i.test(el.nodeName) ? 'li' : '>*', ghostClass: 'sortable-ghost', chosenClass: 'sortable-chosen', dragClass: 'sortable-drag', ignore: 'a, img', filter: null, preventOnFilter: true, animation: 0, setData: function (dataTransfer, dragEl) { dataTransfer.setData('Text', dragEl.textContent); }, dropBubble: false, dragoverBubble: false, dataIdAttr: 'data-id', delay: 0, touchStartThreshold: parseInt(window.devicePixelRatio, 10) || 1, forceFallback: false, fallbackClass: 'sortable-fallback', fallbackOnBody: false, fallbackTolerance: 0, fallbackOffset: {x: 0, y: 0}, supportPointer: Sortable.supportPointer !== false }; // Set default options for (var name in defaults) { !(name in options) && (options[name] = defaults[name]); } _prepareGroup(options); // Bind all private methods for (var fn in this) { if (fn.charAt(0) === '_' && typeof this[fn] === 'function') { this[fn] = this[fn].bind(this); } } // Setup drag mode this.nativeDraggable = options.forceFallback ? false : supportDraggable; // Bind events _on(el, 'mousedown', this._onTapStart); _on(el, 'touchstart', this._onTapStart); options.supportPointer && _on(el, 'pointerdown', this._onTapStart); if (this.nativeDraggable) { _on(el, 'dragover', this); _on(el, 'dragenter', this); } touchDragOverListeners.push(this._onDragOver); // Restore sorting options.store && this.sort(options.store.get(this)); } Sortable.prototype = /** @lends Sortable.prototype */ { constructor: Sortable, _onTapStart: function (/** Event|TouchEvent */evt) { var _this = this, el = this.el, options = this.options, preventOnFilter = options.preventOnFilter, type = evt.type, touch = evt.touches && evt.touches[0], target = (touch || evt).target, originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0]) || target, filter = options.filter, startIndex; _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 or enabled } // cancel dnd if original target is content editable if (originalTarget.isContentEditable) { return; } target = _closest(target, options.draggable, el); if (!target) { return; } if (lastDownEl === target) { // Ignoring duplicate `down` return; } // Get the index of the dragged element within its parent startIndex = _index(target, options.draggable); // Check filter if (typeof filter === 'function') { if (filter.call(this, evt, target, this)) { _dispatchEvent(_this, originalTarget, 'filter', target, el, el, startIndex); preventOnFilter && evt.preventDefault(); return; // cancel dnd } } else if (filter) { filter = filter.split(',').some(function (criteria) { criteria = _closest(originalTarget, criteria.trim(), el); if (criteria) { _dispatchEvent(_this, criteria, 'filter', target, el, el, startIndex); return true; } }); if (filter) { preventOnFilter && evt.preventDefault(); return; // cancel dnd } } if (options.handle && !_closest(originalTarget, options.handle, el)) { return; } // Prepare `dragstart` this._prepareDragStart(evt, touch, target, startIndex); }, _prepareDragStart: function (/** Event */evt, /** Touch */touch, /** HTMLElement */target, /** Number */startIndex) { var _this = this, el = _this.el, options = _this.options, ownerDocument = el.ownerDocument, dragStartFn; if (target && !dragEl && (target.parentNode === el)) { tapEvt = evt; rootEl = el; dragEl = target; parentEl = dragEl.parentNode; nextEl = dragEl.nextSibling; lastDownEl = target; activeGroup = options.group; oldIndex = startIndex; this._lastX = (touch || evt).clientX; this._lastY = (touch || evt).clientY; dragEl.style['will-change'] = 'all'; dragStartFn = function () { // Delayed drag has been triggered // we can re-enable the events: touchmove/mousemove _this._disableDelayedDrag(); // Make the element draggable dragEl.draggable = _this.nativeDraggable; // Chosen item _toggleClass(dragEl, options.chosenClass, true); // Bind the events: dragstart/dragend _this._triggerDragStart(evt, touch); // Drag start event _dispatchEvent(_this, rootEl, 'choose', dragEl, rootEl, rootEl, oldIndex); }; // Disable "draggable" options.ignore.split(',').forEach(function (criteria) { _find(dragEl, criteria.trim(), _disableDraggable); }); _on(ownerDocument, 'mouseup', _this._onDrop); _on(ownerDocument, 'touchend', _this._onDrop); _on(ownerDocument, 'touchcancel', _this._onDrop); _on(ownerDocument, 'selectstart', _this); options.supportPointer && _on(ownerDocument, 'pointercancel', _this._onDrop); if (options.delay) { // 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._disableDelayedDrag); _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) { if (min(abs(e.clientX - this._lastX), abs(e.clientY - this._lastY)) >= this.options.touchStartThreshold) { this._disableDelayedDrag(); } }, _disableDelayedDrag: function () { var ownerDocument = this.el.ownerDocument; clearTimeout(this._dragStartTimer); _off(ownerDocument, 'mouseup', this._disableDelayedDrag); _off(ownerDocument, 'touchend', this._disableDelayedDrag); _off(ownerDocument, 'touchcancel', this._disableDelayedDrag); _off(ownerDocument, 'mousemove', this._disableDelayedDrag); _off(ownerDocument, 'touchmove', this._disableDelayedDrag); _off(ownerDocument, 'pointermove', this._disableDelayedDrag); }, _triggerDragStart: function (/** Event */evt, /** Touch */touch) { touch = touch || (evt.pointerType == 'touch' ? evt : null); if (touch) { // Touch device support tapEvt = { target: dragEl, clientX: touch.clientX, clientY: touch.clientY }; this._onDragStart(tapEvt, 'touch'); } else if (!this.nativeDraggable) { this._onDragStart(tapEvt, true); } 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 () { if (rootEl && dragEl) { var options = this.options; // Apply effect _toggleClass(dragEl, options.ghostClass, true); _toggleClass(dragEl, options.dragClass, false); Sortable.active = this; // Drag start event _dispatchEvent(this, rootEl, 'start', dragEl, rootEl, rootEl, oldIndex); } else { this._nulling(); } }, _emulateDragOver: function () { if (touchEvt) { if (this._lastX === touchEvt.clientX && this._lastY === touchEvt.clientY) { return; } this._lastX = touchEvt.clientX; this._lastY = touchEvt.clientY; if (!supportCssPointerEvents) { _css(ghostEl, 'display', 'none'); } var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY); var parent = target; var i = touchDragOverListeners.length; while (target && target.shadowRoot) { target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY); parent = target; } if (parent) { do { if (parent[expando]) { while (i--) { touchDragOverListeners[i]({ clientX: touchEvt.clientX, clientY: touchEvt.clientY, target: target, rootEl: parent }); } break; } target = parent; // store last element } /* jshint boss:true */ while (parent = parent.parentNode); } if (!supportCssPointerEvents) { _css(ghostEl, 'display', ''); } } }, _onTouchMove: function (/**TouchEvent*/evt) { if (tapEvt) { var options = this.options, fallbackTolerance = options.fallbackTolerance, fallbackOffset = options.fallbackOffset, touch = evt.touches ? evt.touches[0] : evt, dx = (touch.clientX - tapEvt.clientX) + fallbackOffset.x, dy = (touch.clientY - tapEvt.clientY) + fallbackOffset.y, translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)'; // only set the status to dragging, when we are actually dragging if (!Sortable.active) { if (fallbackTolerance && min(abs(touch.clientX - this._lastX), abs(touch.clientY - this._lastY)) < fallbackTolerance ) { return; } this._dragStarted(); } // as well as creating the ghost element on the document body this._appendGhost(); moved = true; touchEvt = touch; _css(ghostEl, 'webkitTransform', translate3d); _css(ghostEl, 'mozTransform', translate3d); _css(ghostEl, 'msTransform', translate3d); _css(ghostEl, 'transform', translate3d); evt.preventDefault(); } }, _appendGhost: function () { if (!ghostEl) { var rect = dragEl.getBoundingClientRect(), css = _css(dragEl), options = this.options, ghostRect; ghostEl = dragEl.cloneNode(true); _toggleClass(ghostEl, options.ghostClass, false); _toggleClass(ghostEl, options.fallbackClass, true); _toggleClass(ghostEl, options.dragClass, true); _css(ghostEl, 'top', rect.top - parseInt(css.marginTop, 10)); _css(ghostEl, 'left', rect.left - parseInt(css.marginLeft, 10)); _css(ghostEl, 'width', rect.width); _css(ghostEl, 'height', rect.height); _css(ghostEl, 'opacity', '0.8'); _css(ghostEl, 'position', 'fixed'); _css(ghostEl, 'zIndex', '100000'); _css(ghostEl, 'pointerEvents', 'none'); options.fallbackOnBody && document.body.appendChild(ghostEl) || rootEl.appendChild(ghostEl); // Fixing dimensions. ghostRect = ghostEl.getBoundingClientRect(); _css(ghostEl, 'width', rect.width * 2 - ghostRect.width); _css(ghostEl, 'height', rect.height * 2 - ghostRect.height); } }, _onDragStart: function (/**Event*/evt, /**boolean*/useFallback) { var _this = this; var dataTransfer = evt.dataTransfer; var options = _this.options; _this._offUpEvents(); if (activeGroup.checkPull(_this, _this, dragEl, evt)) { cloneEl = _clone(dragEl); cloneEl.draggable = false; cloneEl.style['will-change'] = ''; _css(cloneEl, 'display', 'none'); _toggleClass(cloneEl, _this.options.chosenClass, false); // #1143: IFrame support workaround _this._cloneId = _nextTick(function () { rootEl.insertBefore(cloneEl, dragEl); _dispatchEvent(_this, rootEl, 'clone', dragEl); }); } _toggleClass(dragEl, options.dragClass, true); if (useFallback) { if (useFallback === 'touch') { // Bind touch events _on(document, 'touchmove', _this._onTouchMove); _on(document, 'touchend', _this._onDrop); _on(document, 'touchcancel', _this._onDrop); if (options.supportPointer) { _on(document, 'pointermove', _this._onTouchMove); _on(document, 'pointerup', _this._onDrop); } } else { // Old brwoser _on(document, 'mousemove', _this._onTouchMove); _on(document, 'mouseup', _this._onDrop); } _this._loopId = setInterval(_this._emulateDragOver, 50); } else { if (dataTransfer) { dataTransfer.effectAllowed = 'move'; options.setData && options.setData.call(_this, dataTransfer, dragEl); } _on(document, 'drop', _this); // #1143: Бывает элемент с IFrame внутри блокирует `drop`, // поэтому если вызвался `mouseover`, значит надо отменять весь d'n'd. // Breaking Chrome 62+ // _on(document, 'mouseover', _this); _this._dragStartId = _nextTick(_this._dragStarted); } }, _onDragOver: function (/**Event*/evt) { var el = this.el, target, dragRect, targetRect, revert, options = this.options, group = options.group, activeSortable = Sortable.active, isOwner = (activeGroup === group), isMovingBetweenSortable = false, canSort = options.sort; if (evt.preventDefault !== void 0) { evt.preventDefault(); !options.dragoverBubble && evt.stopPropagation(); } if (dragEl.animated) { return; } moved = true; if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list : ( putSortable === this || ( (activeSortable.lastPullMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt) ) ) ) && (evt.rootEl === void 0 || evt.rootEl === this.el) // touch fallback ) { // Smart auto-scrolling _autoScroll(evt, options, this.el); if (_silent) { return; } target = _closest(evt.target, options.draggable, el); dragRect = dragEl.getBoundingClientRect(); if (putSortable !== this) { putSortable = this; isMovingBetweenSortable = true; } if (revert) { _cloneHide(activeSortable, true); parentEl = rootEl; // actualization if (cloneEl || nextEl) { rootEl.insertBefore(dragEl, cloneEl || nextEl); } else if (!canSort) { rootEl.appendChild(dragEl); } return; } if ((el.children.length === 0) || (el.children[0] === ghostEl) || (el === evt.target) && (_ghostIsLast(el, evt)) ) { //assign target only if condition is true if (el.children.length !== 0 && el.children[0] !== ghostEl && el === evt.target) { target = el.lastElementChild; } if (target) { if (target.animated) { return; } targetRect = target.getBoundingClientRect(); } _cloneHide(activeSortable, isOwner); if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt) !== false) { if (!dragEl.contains(el)) { el.appendChild(dragEl); parentEl = el; // actualization } this._animate(dragRect, dragEl); target && this._animate(targetRect, target); } } else if (target && !target.animated && target !== dragEl && (target.parentNode[expando] !== void 0)) { if (lastEl !== target) { lastEl = target; lastCSS = _css(target); lastParentCSS = _css(target.parentNode); } targetRect = target.getBoundingClientRect(); var width = targetRect.right - targetRect.left, height = targetRect.bottom - targetRect.top, floating = R_FLOAT.test(lastCSS.cssFloat + lastCSS.display) || (lastParentCSS.display == 'flex' && lastParentCSS['flex-direction'].indexOf('row') === 0), isWide = (target.offsetWidth > dragEl.offsetWidth), isLong = (target.offsetHeight > dragEl.offsetHeight), halfway = (floating ? (evt.clientX - targetRect.left) / width : (evt.clientY - targetRect.top) / height) > 0.5, nextSibling = target.nextElementSibling, after = false ; if (floating) { var elTop = dragEl.offsetTop, tgTop = target.offsetTop; if (elTop === tgTop) { after = (target.previousElementSibling === dragEl) && !isWide || halfway && isWide; } else if (target.previousElementSibling === dragEl || dragEl.previousElementSibling === target) { after = (evt.clientY - targetRect.top) / height > 0.5; } else { after = tgTop > elTop; } } else if (!isMovingBetweenSortable) { after = (nextSibling !== dragEl) && !isLong || halfway && isLong; } var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after); if (moveVector !== false) { if (moveVector === 1 || moveVector === -1) { after = (moveVector === 1); } _silent = true; setTimeout(_unsilent, 30); _cloneHide(activeSortable, isOwner); if (!dragEl.contains(el)) { if (after && !nextSibling) { el.appendChild(dragEl); } else { target.parentNode.insertBefore(dragEl, after ? nextSibling : target); } } parentEl = dragEl.parentNode; // actualization this._animate(dragRect, dragEl); this._animate(targetRect, target); } } } }, _animate: function (prevRect, target) { var ms = this.options.animation; if (ms) { var currentRect = target.getBoundingClientRect(); if (prevRect.nodeType === 1) { prevRect = prevRect.getBoundingClientRect(); } _css(target, 'transition', 'none'); _css(target, 'transform', 'translate3d(' + (prevRect.left - currentRect.left) + 'px,' + (prevRect.top - currentRect.top) + 'px,0)' ); forRepaintDummy = target.offsetWidth; // repaint _css(target, 'transition', 'all ' + ms + 'ms'); _css(target, 'transform', 'translate3d(0,0,0)'); clearTimeout(target.animated); target.animated = setTimeout(function () { _css(target, 'transition', ''); _css(target, 'transform', ''); target.animated = false; }, ms); } }, _offUpEvents: function () { var ownerDocument = this.el.ownerDocument; _off(document, 'touchmove', this._onTouchMove); _off(document, 'pointermove', this._onTouchMove); _off(ownerDocument, 'mouseup', this._onDrop); _off(ownerDocument, 'touchend', this._onDrop); _off(ownerDocument, 'pointerup', this._onDrop); _off(ownerDocument, 'touchcancel', this._onDrop); _off(ownerDocument, 'pointercancel', this._onDrop); _off(ownerDocument, 'selectstart', this); }, _onDrop: function (/**Event*/evt) { var el = this.el, options = this.options; clearInterval(this._loopId); clearInterval(autoScroll.pid); clearTimeout(this._dragStartTimer); _cancelNextTick(this._cloneId); _cancelNextTick(this._dragStartId); // Unbind events _off(document, 'mouseover', this); _off(document, 'mousemove', this._onTouchMove); if (this.nativeDraggable) { _off(document, 'drop', this); _off(el, 'dragstart', this._onDragStart); } this._offUpEvents(); if (evt) { if (moved) { evt.preventDefault(); !options.dropBubble && evt.stopPropagation(); } ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl); if (rootEl === parentEl || Sortable.active.lastPullMode !== 'clone') { // Remove clone cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl); } if (dragEl) { if (this.nativeDraggable) { _off(dragEl, 'dragend', this); } _disableDraggable(dragEl); dragEl.style['will-change'] = ''; // Remove class's _toggleClass(dragEl, this.options.ghostClass, false); _toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event _dispatchEvent(this, rootEl, 'unchoose', dragEl, parentEl, rootEl, oldIndex, null, evt); if (rootEl !== parentEl) { newIndex = _index(dragEl, options.draggable); if (newIndex >= 0) { // Add event _dispatchEvent(null, parentEl, 'add', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); // Remove event _dispatchEvent(this, rootEl, 'remove', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); // drag from one list and drop into another _dispatchEvent(null, parentEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); _dispatchEvent(this, rootEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); } } else { if (dragEl.nextSibling !== nextEl) { // Get the index of the dragged element within its parent newIndex = _index(dragEl, options.draggable); if (newIndex >= 0) { // drag & drop within the same list _dispatchEvent(this, rootEl, 'update', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); _dispatchEvent(this, rootEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); } } } if (Sortable.active) { /* jshint eqnull:true */ if (newIndex == null || newIndex === -1) { newIndex = oldIndex; } _dispatchEvent(this, rootEl, 'end', dragEl, parentEl, rootEl, oldIndex, newIndex, evt); // Save sorting this.save(); } } } this._nulling(); }, _nulling: function() { rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = scrollEl = scrollParentEl = tapEvt = touchEvt = moved = newIndex = lastEl = lastCSS = putSortable = activeGroup = Sortable.active = null; savedInputChecked.forEach(function (el) { el.checked = true; }); savedInputChecked.length = 0; }, handleEvent: function (/**Event*/evt) { switch (evt.type) { case 'drop': case 'dragend': this._onDrop(evt); break; case 'dragover': case 'dragenter': if (dragEl) { this._onDragOver(evt); _globalDragOver(evt); } break; case 'mouseover': this._onDrop(evt); break; case 'selectstart': evt.preventDefault(); break; } }, /** * Serializes the item into an array of string. * @returns {String[]} */ toArray: function () { var order = [], el, children = this.el.children, i = 0, n = children.length, options = this.options; for (; i < n; i++) { el = children[i]; if (_closest(el, options.draggable, this.el)) { 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) { var items = {}, rootEl = this.el; this.toArray().forEach(function (id, i) { var el = rootEl.children[i]; if (_closest(el, this.options.draggable, rootEl)) { 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 () { var store = this.options.store; store && 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); }, /** * Set/get option * @param {string} name * @param {*} [value] * @returns {*} */ option: function (name, value) { var options = this.options; if (value === void 0) { return options[name]; } else { options[name] = value; if (name === 'group') { _prepareGroup(options); } } }, /** * Destroy */ destroy: function () { var el = this.el; el[expando] = null; _off(el, 'mousedown', this._onTapStart); _off(el, 'touchstart', this._onTapStart); _off(el, 'pointerdown', this._onTapStart); if (this.nativeDraggable) { _off(el, 'dragover', this); _off(el, 'dragenter', this); } // Remove draggable attributes Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) { el.removeAttribute('draggable'); }); touchDragOverListeners.splice(touchDragOverListeners.indexOf(this._onDragOver), 1); this._onDrop(); this.el = el = null; } }; function _cloneHide(sortable, state) { if (sortable.lastPullMode !== 'clone') { state = true; } if (cloneEl && (cloneEl.state !== state)) { _css(cloneEl, 'display', state ? 'none' : ''); if (!state) { if (cloneEl.state) { if (sortable.options.group.revertClone) { rootEl.insertBefore(cloneEl, nextEl); sortable._animate(dragEl, cloneEl); } else { rootEl.insertBefore(cloneEl, dragEl); } } } cloneEl.state = state; } } function _closest(/**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx) { if (el) { ctx = ctx || document; do { if ((selector === '>*' && el.parentNode === ctx) || _matches(el, selector)) { return el; } /* jshint boss:true */ } while (el = _getParentOrHost(el)); } return null; } function _getParentOrHost(el) { var parent = el.host; return (parent && parent.nodeType) ? parent : el.parentNode; } function _globalDragOver(/**Event*/evt) { if (evt.dataTransfer) { evt.dataTransfer.dropEffect = 'move'; } evt.preventDefault(); } function _on(el, event, fn) { el.addEventListener(event, fn, captureMode); } function _off(el, event, fn) { el.removeEventListener(event, fn, captureMode); } function _toggleClass(el, name, state) { if (el) { if (el.classList) { el.classList[state ? 'add' : 'remove'](name); } else { var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' '); el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' '); } } } function _css(el, prop, val) { var style = el && el.style; if (style) { if (val === void 0) { if (document.defaultView && document.defaultView.getComputedStyle) { val = document.defaultView.getComputedStyle(el, ''); } else if (el.currentStyle) { val = el.currentStyle; } return prop === void 0 ? val : val[prop]; } else { if (!(prop in style)) { prop = '-webkit-' + prop; } style[prop] = val + (typeof val === 'string' ? '' : 'px'); } } } function _find(ctx, tagName, iterator) { if (ctx) { var list = ctx.getElementsByTagName(tagName), i = 0, n = list.length; if (iterator) { for (; i < n; i++) { iterator(list[i], i); } } return list; } return []; } function _dispatchEvent(sortable, rootEl, name, targetEl, toEl, fromEl, startIndex, newIndex, originalEvt) { sortable = (sortable || rootEl[expando]); var evt = document.createEvent('Event'), options = sortable.options, onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); evt.initEvent(name, true, true); evt.to = toEl || rootEl; evt.from = fromEl || rootEl; evt.item = targetEl || rootEl; evt.clone = cloneEl; evt.oldIndex = startIndex; evt.newIndex = newIndex; evt.originalEvent = originalEvt; rootEl.dispatchEvent(evt); if (options[onName]) { options[onName].call(sortable, evt); } } function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvt, willInsertAfter) { var evt, sortable = fromEl[expando], onMoveFn = sortable.options.onMove, retVal; 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 || toEl.getBoundingClientRect(); evt.willInsertAfter = willInsertAfter; evt.originalEvent = originalEvt; fromEl.dispatchEvent(evt); if (onMoveFn) { retVal = onMoveFn.call(sortable, evt, originalEvt); } return retVal; } function _disableDraggable(el) { el.draggable = false; } function _unsilent() { _silent = false; } /** @returns {HTMLElement|false} */ function _ghostIsLast(el, evt) { var lastEl = el.lastElementChild, rect = lastEl.getBoundingClientRect(); // 5 — min delta // abs — нельзя добавлять, а то глюки при наведении сверху return (evt.clientY - (rect.top + rect.height) > 5) || (evt.clientX - (rect.left + rect.width) > 5); } /** * Generate id * @param {HTMLElement} el * @returns {String} * @private */ function _generateId(el) { var str = el.tagName + el.className + el.src + el.href + el.textContent, i = str.length, sum = 0; while (i--) { sum += str.charCodeAt(i); } return sum.toString(36); } /** * Returns the index of an element within its parent for a selected set of * elements * @param {HTMLElement} el * @param {selector} selector * @return {number} */ function _index(el, selector) { var index = 0; if (!el || !el.parentNode) { return -1; } while (el && (el = el.previousElementSibling)) { if ((el.nodeName.toUpperCase() !== 'TEMPLATE') && (selector === '>*' || _matches(el, selector))) { index++; } } return index; } function _matches(/**HTMLElement*/el, /**String*/selector) { if (el) { try { if (el.matches) { return el.matches(selector); } else if (el.msMatchesSelector) { return el.msMatchesSelector(selector); } } catch(_) { return false; } } return false; } function _throttle(callback, ms) { var args, _this; return function () { if (args === void 0) { args = arguments; _this = this; setTimeout(function () { if (args.length === 1) { callback.call(_this, args[0]); } else { callback.apply(_this, args); } args = void 0; }, ms); } }; } function _extend(dst, src) { if (dst && src) { for (var key in src) { if (src.hasOwnProperty(key)) { dst[key] = src[key]; } } } return dst; } function _clone(el) { if (Polymer && Polymer.dom) { return Polymer.dom(el).cloneNode(true); } else if ($) { return $(el).clone(true)[0]; } else { return el.cloneNode(true); } } function _saveInputCheckedState(root) { savedInputChecked.length = 0; var inputs = root.getElementsByTagName('input'); var idx = inputs.length; while (idx--) { var el = inputs[idx]; el.checked && savedInputChecked.push(el); } } function _nextTick(fn) { return setTimeout(fn, 0); } function _cancelNextTick(id) { return clearTimeout(id); } // Fixed #973: _on(document, 'touchmove', function (evt) { if (Sortable.active) { evt.preventDefault(); } }); // Export utils Sortable.utils = { on: _on, off: _off, css: _css, find: _find, is: function (el, selector) { return !!_closest(el, selector, el); }, extend: _extend, throttle: _throttle, closest: _closest, toggleClass: _toggleClass, clone: _clone, index: _index, nextTick: _nextTick, cancelNextTick: _cancelNextTick }; /** * Create sortable instance * @param {HTMLElement} el * @param {Object} [options] */ Sortable.create = function (el, options) { return new Sortable(el, options); }; // Export Sortable.version = '1.7.0'; return Sortable; });
$("tbody").attr("id", 'foo')
Sortable.create(document.getElementById('foo'), {
animation: 150
});
页面使用代码
