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@@ -0,0 +1,1144 @@
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+/**!
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+ * Sortable
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+ * @author RubaXa <trash@rubaxa.org>
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+ * @license MIT
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+ */
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+
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+
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+(function (factory) {
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+ "use strict";
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+
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+ if (typeof define === "function" && define.amd) {
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+ define(factory);
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+ }
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+ else if (typeof module != "undefined" && typeof module.exports != "undefined") {
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+ module.exports = factory();
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+ }
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+ else if (typeof Package !== "undefined") {
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+ Sortable = factory(); // export for Meteor.js
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+ }
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+ else {
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+ /* jshint sub:true */
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+ window["Sortable"] = factory();
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+ }
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+})(function () {
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+ "use strict";
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+
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+ var dragEl,
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+ ghostEl,
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+ cloneEl,
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+ rootEl,
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+ nextEl,
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+
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+ scrollEl,
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+ scrollParentEl,
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+
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+ lastEl,
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+ lastCSS,
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+
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+ oldIndex,
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+ newIndex,
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+
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+ activeGroup,
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+ autoScroll = {},
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+
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+ tapEvt,
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+ touchEvt,
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+
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+ /** @const */
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+ RSPACE = /\s+/g,
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+
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+ expando = 'Sortable' + (new Date).getTime(),
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+
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+ win = window,
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+ document = win.document,
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+ parseInt = win.parseInt,
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+
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+ supportDraggable = !!('draggable' in document.createElement('div')),
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+
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+ _silent = false,
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+
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+ abs = Math.abs,
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+ slice = [].slice,
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+
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+ touchDragOverListeners = [],
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+
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+ _autoScroll = _throttle(function (/**Event*/evt, /**Object*/options, /**HTMLElement*/rootEl) {
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+ // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
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+ if (rootEl && options.scroll) {
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+ var el,
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+ rect,
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+ sens = options.scrollSensitivity,
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+ speed = options.scrollSpeed,
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+
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+ x = evt.clientX,
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+ y = evt.clientY,
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+
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+ winWidth = window.innerWidth,
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+ winHeight = window.innerHeight,
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+
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+ vx,
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+ vy
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+ ;
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+
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+ // Delect scrollEl
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+ if (scrollParentEl !== rootEl) {
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+ scrollEl = options.scroll;
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+ scrollParentEl = rootEl;
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+
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+ if (scrollEl === true) {
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+ scrollEl = rootEl;
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+
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+ do {
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+ if ((scrollEl.offsetWidth < scrollEl.scrollWidth) ||
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+ (scrollEl.offsetHeight < scrollEl.scrollHeight)
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+ ) {
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+ break;
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+ }
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+ /* jshint boss:true */
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+ } while (scrollEl = scrollEl.parentNode);
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+ }
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+ }
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+
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+ if (scrollEl) {
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+ el = scrollEl;
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+ rect = scrollEl.getBoundingClientRect();
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+ vx = (abs(rect.right - x) <= sens) - (abs(rect.left - x) <= sens);
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+ vy = (abs(rect.bottom - y) <= sens) - (abs(rect.top - y) <= sens);
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+ }
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+
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+
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+ if (!(vx || vy)) {
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+ vx = (winWidth - x <= sens) - (x <= sens);
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+ vy = (winHeight - y <= sens) - (y <= sens);
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+
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+ /* jshint expr:true */
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+ (vx || vy) && (el = win);
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+ }
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+
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+
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+ if (autoScroll.vx !== vx || autoScroll.vy !== vy || autoScroll.el !== el) {
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+ autoScroll.el = el;
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+ autoScroll.vx = vx;
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+ autoScroll.vy = vy;
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+
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+ clearInterval(autoScroll.pid);
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+
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+ if (el) {
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+ autoScroll.pid = setInterval(function () {
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+ if (el === win) {
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+ win.scrollTo(win.pageXOffset + vx * speed, win.pageYOffset + vy * speed);
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+ } else {
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+ vy && (el.scrollTop += vy * speed);
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+ vx && (el.scrollLeft += vx * speed);
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+ }
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+ }, 24);
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+ }
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+ }
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+ }
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+ }, 30)
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+ ;
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+
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+
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+
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+ /**
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+ * @class Sortable
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+ * @param {HTMLElement} el
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+ * @param {Object} [options]
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+ */
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+ function Sortable(el, options) {
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+ this.el = el; // root element
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+ this.options = options = _extend({}, options);
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+
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+
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+ // Export instance
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+ el[expando] = this;
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+
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+
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+ // Default options
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+ var defaults = {
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+ group: Math.random(),
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+ sort: true,
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+ disabled: false,
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+ store: null,
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+ handle: null,
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+ scroll: true,
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+ scrollSensitivity: 30,
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+ scrollSpeed: 10,
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+ draggable: /[uo]l/i.test(el.nodeName) ? 'li' : '>*',
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+ ghostClass: 'sortable-ghost',
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+ ignore: 'a, img',
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+ filter: null,
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+ animation: 0,
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+ setData: function (dataTransfer, dragEl) {
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+ dataTransfer.setData('Text', dragEl.textContent);
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+ },
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+ dropBubble: false,
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+ dragoverBubble: false,
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+ dataIdAttr: 'data-id',
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+ delay: 0
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+ };
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+
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+
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+ // Set default options
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+ for (var name in defaults) {
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+ !(name in options) && (options[name] = defaults[name]);
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+ }
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+
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+
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+ var group = options.group;
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+
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+ if (!group || typeof group != 'object') {
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+ group = options.group = { name: group };
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+ }
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+
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+
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+ ['pull', 'put'].forEach(function (key) {
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+ if (!(key in group)) {
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+ group[key] = true;
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+ }
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+ });
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+
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+
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+ options.groups = ' ' + group.name + (group.put.join ? ' ' + group.put.join(' ') : '') + ' ';
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+
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+
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+ // Bind all private methods
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+ for (var fn in this) {
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+ if (fn.charAt(0) === '_') {
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+ this[fn] = _bind(this, this[fn]);
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+ }
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+ }
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+
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+
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+ // Bind events
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+ _on(el, 'mousedown', this._onTapStart);
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+ _on(el, 'touchstart', this._onTapStart);
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+
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+ _on(el, 'dragover', this);
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+ _on(el, 'dragenter', this);
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+
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+ touchDragOverListeners.push(this._onDragOver);
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+
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+ // Restore sorting
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+ options.store && this.sort(options.store.get(this));
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+ }
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+
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+
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+ Sortable.prototype = /** @lends Sortable.prototype */ {
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+ constructor: Sortable,
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+
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+ _onTapStart: function (/** Event|TouchEvent */evt) {
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+ var _this = this,
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+ el = this.el,
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+ options = this.options,
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+ type = evt.type,
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+ touch = evt.touches && evt.touches[0],
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+ target = (touch || evt).target,
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+ originalTarget = target,
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+ filter = options.filter;
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+
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+
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+ if (type === 'mousedown' && evt.button !== 0 || options.disabled) {
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+ return; // only left button or enabled
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+ }
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+
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+ target = _closest(target, options.draggable, el);
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+
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+ if (!target) {
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+ return;
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+ }
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+
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+ // get the index of the dragged element within its parent
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+ oldIndex = _index(target);
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+
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+ // Check filter
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+ if (typeof filter === 'function') {
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+ if (filter.call(this, evt, target, this)) {
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+ _dispatchEvent(_this, originalTarget, 'filter', target, el, oldIndex);
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+ evt.preventDefault();
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+ return; // cancel dnd
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+ }
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+ }
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+ else if (filter) {
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+ filter = filter.split(',').some(function (criteria) {
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+ criteria = _closest(originalTarget, criteria.trim(), el);
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+
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+ if (criteria) {
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+ _dispatchEvent(_this, criteria, 'filter', target, el, oldIndex);
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+ return true;
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+ }
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+ });
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+
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+ if (filter) {
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+ evt.preventDefault();
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+ return; // cancel dnd
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+ }
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+ }
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+
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+
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+ if (options.handle && !_closest(originalTarget, options.handle, el)) {
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+ return;
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+ }
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+
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+
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+ // Prepare `dragstart`
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+ this._prepareDragStart(evt, touch, target);
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+ },
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+
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+ _prepareDragStart: function (/** Event */evt, /** Touch */touch, /** HTMLElement */target) {
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+ var _this = this,
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+ el = _this.el,
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+ options = _this.options,
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+ ownerDocument = el.ownerDocument,
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+ dragStartFn;
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+
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+ if (target && !dragEl && (target.parentNode === el)) {
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+ tapEvt = evt;
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+
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+ rootEl = el;
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+ dragEl = target;
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+ nextEl = dragEl.nextSibling;
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+ activeGroup = options.group;
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+
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+ dragStartFn = function () {
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+ // Delayed drag has been triggered
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+ // we can re-enable the events: touchmove/mousemove
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+ _this._disableDelayedDrag();
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+
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+ // Make the element draggable
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+ dragEl.draggable = true;
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+
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+ // Disable "draggable"
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+ options.ignore.split(',').forEach(function (criteria) {
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+ _find(dragEl, criteria.trim(), _disableDraggable);
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+ });
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+
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+ // Bind the events: dragstart/dragend
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+ _this._triggerDragStart(touch);
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+ };
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+
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+ _on(ownerDocument, 'mouseup', _this._onDrop);
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+ _on(ownerDocument, 'touchend', _this._onDrop);
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+ _on(ownerDocument, 'touchcancel', _this._onDrop);
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+
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+ if (options.delay) {
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+ // If the user moves the pointer before the delay has been reached:
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+ // disable the delayed drag
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+ _on(ownerDocument, 'mousemove', _this._disableDelayedDrag);
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+ _on(ownerDocument, 'touchmove', _this._disableDelayedDrag);
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+
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+ _this._dragStartTimer = setTimeout(dragStartFn, options.delay);
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+ } else {
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+ dragStartFn();
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+ }
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+ }
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+ },
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+
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+ _disableDelayedDrag: function () {
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+ var ownerDocument = this.el.ownerDocument;
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+
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+ clearTimeout(this._dragStartTimer);
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+
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+ _off(ownerDocument, 'mousemove', this._disableDelayedDrag);
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+ _off(ownerDocument, 'touchmove', this._disableDelayedDrag);
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+ },
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+
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+ _triggerDragStart: function (/** Touch */touch) {
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+ if (touch) {
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+ // Touch device support
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+ tapEvt = {
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+ target: dragEl,
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+ clientX: touch.clientX,
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+ clientY: touch.clientY
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+ };
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+
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+ this._onDragStart(tapEvt, 'touch');
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+ }
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+ else if (!supportDraggable) {
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+ this._onDragStart(tapEvt, true);
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+ }
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+ else {
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+ _on(dragEl, 'dragend', this);
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+ _on(rootEl, 'dragstart', this._onDragStart);
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+ }
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+
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+ try {
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+ if (document.selection) {
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+ document.selection.empty();
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+ } else {
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+ window.getSelection().removeAllRanges();
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+ }
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+ } catch (err) {
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+ }
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+ },
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+
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+ _dragStarted: function () {
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+ if (rootEl && dragEl) {
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+ // Apply effect
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+ _toggleClass(dragEl, this.options.ghostClass, true);
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+
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+ Sortable.active = this;
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+
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+ // Drag start event
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+ _dispatchEvent(this, rootEl, 'start', dragEl, rootEl, oldIndex);
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+ }
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+ },
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+
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+ _emulateDragOver: function () {
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+ if (touchEvt) {
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+ _css(ghostEl, 'display', 'none');
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+
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+ var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY),
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+ parent = target,
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+ groupName = ' ' + this.options.group.name + '',
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+ i = touchDragOverListeners.length;
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+
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+ if (parent) {
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+ do {
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+ if (parent[expando] && parent[expando].options.groups.indexOf(groupName) > -1) {
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+ while (i--) {
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+ touchDragOverListeners[i]({
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+ clientX: touchEvt.clientX,
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+ clientY: touchEvt.clientY,
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+ target: target,
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+ rootEl: parent
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+ });
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+ }
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+
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+ break;
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+ }
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+
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+ target = parent; // store last element
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+ }
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+ /* jshint boss:true */
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+ while (parent = parent.parentNode);
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+ }
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+
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+ _css(ghostEl, 'display', '');
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+ }
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+ },
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+
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+
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+ _onTouchMove: function (/**TouchEvent*/evt) {
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+ if (tapEvt) {
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+ var touch = evt.touches ? evt.touches[0] : evt,
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+ dx = touch.clientX - tapEvt.clientX,
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+ dy = touch.clientY - tapEvt.clientY,
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+ translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)';
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+
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+ touchEvt = touch;
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+
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+ _css(ghostEl, 'webkitTransform', translate3d);
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+ _css(ghostEl, 'mozTransform', translate3d);
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+ _css(ghostEl, 'msTransform', translate3d);
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+ _css(ghostEl, 'transform', translate3d);
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+
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+ evt.preventDefault();
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+ }
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+ },
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+
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+
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+ _onDragStart: function (/**Event*/evt, /**boolean*/useFallback) {
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+ var dataTransfer = evt.dataTransfer,
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+ options = this.options;
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+
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+ this._offUpEvents();
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+
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+ if (activeGroup.pull == 'clone') {
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+ cloneEl = dragEl.cloneNode(true);
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+ _css(cloneEl, 'display', 'none');
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|
+ rootEl.insertBefore(cloneEl, dragEl);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (useFallback) {
|
|
|
+ var rect = dragEl.getBoundingClientRect(),
|
|
|
+ css = _css(dragEl),
|
|
|
+ ghostRect;
|
|
|
+
|
|
|
+ ghostEl = dragEl.cloneNode(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');
|
|
|
+
|
|
|
+ rootEl.appendChild(ghostEl);
|
|
|
+
|
|
|
+ // Fixing dimensions.
|
|
|
+ ghostRect = ghostEl.getBoundingClientRect();
|
|
|
+ _css(ghostEl, 'width', rect.width * 2 - ghostRect.width);
|
|
|
+ _css(ghostEl, 'height', rect.height * 2 - ghostRect.height);
|
|
|
+
|
|
|
+ if (useFallback === 'touch') {
|
|
|
+ // Bind touch events
|
|
|
+ _on(document, 'touchmove', this._onTouchMove);
|
|
|
+ _on(document, 'touchend', this._onDrop);
|
|
|
+ _on(document, 'touchcancel', this._onDrop);
|
|
|
+ } else {
|
|
|
+ // Old brwoser
|
|
|
+ _on(document, 'mousemove', this._onTouchMove);
|
|
|
+ _on(document, 'mouseup', this._onDrop);
|
|
|
+ }
|
|
|
+
|
|
|
+ this._loopId = setInterval(this._emulateDragOver, 150);
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ if (dataTransfer) {
|
|
|
+ dataTransfer.effectAllowed = 'move';
|
|
|
+ options.setData && options.setData.call(this, dataTransfer, dragEl);
|
|
|
+ }
|
|
|
+
|
|
|
+ _on(document, 'drop', this);
|
|
|
+ }
|
|
|
+
|
|
|
+ setTimeout(this._dragStarted, 0);
|
|
|
+ },
|
|
|
+
|
|
|
+ _onDragOver: function (/**Event*/evt) {
|
|
|
+ var el = this.el,
|
|
|
+ target,
|
|
|
+ dragRect,
|
|
|
+ revert,
|
|
|
+ options = this.options,
|
|
|
+ group = options.group,
|
|
|
+ groupPut = group.put,
|
|
|
+ isOwner = (activeGroup === group),
|
|
|
+ canSort = options.sort;
|
|
|
+
|
|
|
+ if (evt.preventDefault !== void 0) {
|
|
|
+ evt.preventDefault();
|
|
|
+ !options.dragoverBubble && evt.stopPropagation();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (activeGroup && !options.disabled &&
|
|
|
+ (isOwner
|
|
|
+ ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
|
|
|
+ : activeGroup.pull && groupPut && (
|
|
|
+ (activeGroup.name === group.name) || // by Name
|
|
|
+ (groupPut.indexOf && ~groupPut.indexOf(activeGroup.name)) // by Array
|
|
|
+ )
|
|
|
+ ) &&
|
|
|
+ (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 (revert) {
|
|
|
+ _cloneHide(true);
|
|
|
+
|
|
|
+ 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) && (target = _ghostInBottom(el, evt))
|
|
|
+ ) {
|
|
|
+ if (target) {
|
|
|
+ if (target.animated) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ targetRect = target.getBoundingClientRect();
|
|
|
+ }
|
|
|
+
|
|
|
+ _cloneHide(isOwner);
|
|
|
+
|
|
|
+ if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect) !== false) {
|
|
|
+ el.appendChild(dragEl);
|
|
|
+ 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);
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ var targetRect = target.getBoundingClientRect(),
|
|
|
+ width = targetRect.right - targetRect.left,
|
|
|
+ height = targetRect.bottom - targetRect.top,
|
|
|
+ floating = /left|right|inline/.test(lastCSS.cssFloat + lastCSS.display),
|
|
|
+ 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,
|
|
|
+ moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect),
|
|
|
+ after
|
|
|
+ ;
|
|
|
+
|
|
|
+ if (moveVector !== false) {
|
|
|
+ _silent = true;
|
|
|
+ setTimeout(_unsilent, 30);
|
|
|
+
|
|
|
+ _cloneHide(isOwner);
|
|
|
+
|
|
|
+ if (moveVector === 1 || moveVector === -1) {
|
|
|
+ after = (moveVector === 1);
|
|
|
+ }
|
|
|
+ else if (floating) {
|
|
|
+ after = (target.previousElementSibling === dragEl) && !isWide || halfway && isWide;
|
|
|
+ } else {
|
|
|
+ after = (nextSibling !== dragEl) && !isLong || halfway && isLong;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (after && !nextSibling) {
|
|
|
+ el.appendChild(dragEl);
|
|
|
+ } else {
|
|
|
+ target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
|
|
|
+ }
|
|
|
+
|
|
|
+ this._animate(dragRect, dragEl);
|
|
|
+ this._animate(targetRect, target);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ _animate: function (prevRect, target) {
|
|
|
+ var ms = this.options.animation;
|
|
|
+
|
|
|
+ if (ms) {
|
|
|
+ var currentRect = target.getBoundingClientRect();
|
|
|
+
|
|
|
+ _css(target, 'transition', 'none');
|
|
|
+ _css(target, 'transform', 'translate3d('
|
|
|
+ + (prevRect.left - currentRect.left) + 'px,'
|
|
|
+ + (prevRect.top - currentRect.top) + 'px,0)'
|
|
|
+ );
|
|
|
+
|
|
|
+ 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(ownerDocument, 'mouseup', this._onDrop);
|
|
|
+ _off(ownerDocument, 'touchend', this._onDrop);
|
|
|
+ _off(ownerDocument, 'touchcancel', this._onDrop);
|
|
|
+ },
|
|
|
+
|
|
|
+ _onDrop: function (/**Event*/evt) {
|
|
|
+ var el = this.el,
|
|
|
+ options = this.options;
|
|
|
+
|
|
|
+ clearInterval(this._loopId);
|
|
|
+ clearInterval(autoScroll.pid);
|
|
|
+ clearTimeout(this._dragStartTimer);
|
|
|
+
|
|
|
+ // Unbind events
|
|
|
+ _off(document, 'drop', this);
|
|
|
+ _off(document, 'mousemove', this._onTouchMove);
|
|
|
+ _off(el, 'dragstart', this._onDragStart);
|
|
|
+
|
|
|
+ this._offUpEvents();
|
|
|
+
|
|
|
+ if (evt) {
|
|
|
+ evt.preventDefault();
|
|
|
+ !options.dropBubble && evt.stopPropagation();
|
|
|
+
|
|
|
+ ghostEl && ghostEl.parentNode.removeChild(ghostEl);
|
|
|
+
|
|
|
+ if (dragEl) {
|
|
|
+ _off(dragEl, 'dragend', this);
|
|
|
+
|
|
|
+ _disableDraggable(dragEl);
|
|
|
+ _toggleClass(dragEl, this.options.ghostClass, false);
|
|
|
+
|
|
|
+ if (rootEl !== dragEl.parentNode) {
|
|
|
+ newIndex = _index(dragEl);
|
|
|
+
|
|
|
+ // drag from one list and drop into another
|
|
|
+ _dispatchEvent(null, dragEl.parentNode, 'sort', dragEl, rootEl, oldIndex, newIndex);
|
|
|
+ _dispatchEvent(this, rootEl, 'sort', dragEl, rootEl, oldIndex, newIndex);
|
|
|
+
|
|
|
+ // Add event
|
|
|
+ _dispatchEvent(null, dragEl.parentNode, 'add', dragEl, rootEl, oldIndex, newIndex);
|
|
|
+
|
|
|
+ // Remove event
|
|
|
+ _dispatchEvent(this, rootEl, 'remove', dragEl, rootEl, oldIndex, newIndex);
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ // Remove clone
|
|
|
+ cloneEl && cloneEl.parentNode.removeChild(cloneEl);
|
|
|
+
|
|
|
+ if (dragEl.nextSibling !== nextEl) {
|
|
|
+ // Get the index of the dragged element within its parent
|
|
|
+ newIndex = _index(dragEl);
|
|
|
+
|
|
|
+ // drag & drop within the same list
|
|
|
+ _dispatchEvent(this, rootEl, 'update', dragEl, rootEl, oldIndex, newIndex);
|
|
|
+ _dispatchEvent(this, rootEl, 'sort', dragEl, rootEl, oldIndex, newIndex);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (Sortable.active) {
|
|
|
+ // Drag end event
|
|
|
+ _dispatchEvent(this, rootEl, 'end', dragEl, rootEl, oldIndex, newIndex);
|
|
|
+
|
|
|
+ // Save sorting
|
|
|
+ this.save();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Nulling
|
|
|
+ rootEl =
|
|
|
+ dragEl =
|
|
|
+ ghostEl =
|
|
|
+ nextEl =
|
|
|
+ cloneEl =
|
|
|
+
|
|
|
+ scrollEl =
|
|
|
+ scrollParentEl =
|
|
|
+
|
|
|
+ tapEvt =
|
|
|
+ touchEvt =
|
|
|
+
|
|
|
+ lastEl =
|
|
|
+ lastCSS =
|
|
|
+
|
|
|
+ activeGroup =
|
|
|
+ Sortable.active = null;
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+
|
|
|
+ handleEvent: function (/**Event*/evt) {
|
|
|
+ var type = evt.type;
|
|
|
+
|
|
|
+ if (type === 'dragover' || type === 'dragenter') {
|
|
|
+ if (dragEl) {
|
|
|
+ this._onDragOver(evt);
|
|
|
+ _globalDragOver(evt);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (type === 'drop' || type === 'dragend') {
|
|
|
+ this._onDrop(evt);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 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;
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Destroy
|
|
|
+ */
|
|
|
+ destroy: function () {
|
|
|
+ var el = this.el;
|
|
|
+
|
|
|
+ el[expando] = null;
|
|
|
+
|
|
|
+ _off(el, 'mousedown', this._onTapStart);
|
|
|
+ _off(el, 'touchstart', this._onTapStart);
|
|
|
+
|
|
|
+ _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(state) {
|
|
|
+ if (cloneEl && (cloneEl.state !== state)) {
|
|
|
+ _css(cloneEl, 'display', state ? 'none' : '');
|
|
|
+ !state && cloneEl.state && rootEl.insertBefore(cloneEl, dragEl);
|
|
|
+ cloneEl.state = state;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _bind(ctx, fn) {
|
|
|
+ var args = slice.call(arguments, 2);
|
|
|
+ return fn.bind ? fn.bind.apply(fn, [ctx].concat(args)) : function () {
|
|
|
+ return fn.apply(ctx, args.concat(slice.call(arguments)));
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _closest(/**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx) {
|
|
|
+ if (el) {
|
|
|
+ ctx = ctx || document;
|
|
|
+ selector = selector.split('.');
|
|
|
+
|
|
|
+ var tag = selector.shift().toUpperCase(),
|
|
|
+ re = new RegExp('\\s(' + selector.join('|') + ')(?=\\s)', 'g');
|
|
|
+
|
|
|
+ do {
|
|
|
+ if (
|
|
|
+ (tag === '>*' && el.parentNode === ctx) || (
|
|
|
+ (tag === '' || el.nodeName.toUpperCase() == tag) &&
|
|
|
+ (!selector.length || ((' ' + el.className + ' ').match(re) || []).length == selector.length)
|
|
|
+ )
|
|
|
+ ) {
|
|
|
+ return el;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ while (el !== ctx && (el = el.parentNode));
|
|
|
+ }
|
|
|
+
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _globalDragOver(/**Event*/evt) {
|
|
|
+ evt.dataTransfer.dropEffect = 'move';
|
|
|
+ evt.preventDefault();
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _on(el, event, fn) {
|
|
|
+ el.addEventListener(event, fn, false);
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _off(el, event, fn) {
|
|
|
+ el.removeEventListener(event, fn, false);
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _toggleClass(el, name, state) {
|
|
|
+ if (el) {
|
|
|
+ if (el.classList) {
|
|
|
+ el.classList[state ? 'add' : 'remove'](name);
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ var className = (' ' + el.className + ' ').replace(RSPACE, ' ').replace(' ' + name + ' ', ' ');
|
|
|
+ el.className = (className + (state ? ' ' + name : '')).replace(RSPACE, ' ');
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ 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, fromEl, startIndex, newIndex) {
|
|
|
+ var evt = document.createEvent('Event'),
|
|
|
+ options = (sortable || rootEl[expando]).options,
|
|
|
+ onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
|
|
|
+
|
|
|
+ evt.initEvent(name, true, true);
|
|
|
+
|
|
|
+ evt.to = rootEl;
|
|
|
+ evt.from = fromEl || rootEl;
|
|
|
+ evt.item = targetEl || rootEl;
|
|
|
+ evt.clone = cloneEl;
|
|
|
+
|
|
|
+ evt.oldIndex = startIndex;
|
|
|
+ evt.newIndex = newIndex;
|
|
|
+
|
|
|
+ rootEl.dispatchEvent(evt);
|
|
|
+
|
|
|
+ if (options[onName]) {
|
|
|
+ options[onName].call(sortable, evt);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect) {
|
|
|
+ var evt,
|
|
|
+ sortable = fromEl[expando],
|
|
|
+ onMoveFn = sortable.options.onMove,
|
|
|
+ retVal;
|
|
|
+
|
|
|
+ if (onMoveFn) {
|
|
|
+ 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();
|
|
|
+
|
|
|
+ retVal = onMoveFn.call(sortable, evt);
|
|
|
+ }
|
|
|
+
|
|
|
+ return retVal;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _disableDraggable(el) {
|
|
|
+ el.draggable = false;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ function _unsilent() {
|
|
|
+ _silent = false;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /** @returns {HTMLElement|false} */
|
|
|
+ function _ghostInBottom(el, evt) {
|
|
|
+ var lastEl = el.lastElementChild,
|
|
|
+ rect = lastEl.getBoundingClientRect();
|
|
|
+
|
|
|
+ return (evt.clientY - (rect.top + rect.height) > 5) && lastEl; // min delta
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 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
|
|
|
+ * @param el
|
|
|
+ * @returns {number}
|
|
|
+ * @private
|
|
|
+ */
|
|
|
+ function _index(/**HTMLElement*/el) {
|
|
|
+ var index = 0;
|
|
|
+ while (el && (el = el.previousElementSibling)) {
|
|
|
+ if (el.nodeName.toUpperCase() !== 'TEMPLATE') {
|
|
|
+ index++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return index;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ // Export utils
|
|
|
+ Sortable.utils = {
|
|
|
+ on: _on,
|
|
|
+ off: _off,
|
|
|
+ css: _css,
|
|
|
+ find: _find,
|
|
|
+ bind: _bind,
|
|
|
+ is: function (el, selector) {
|
|
|
+ return !!_closest(el, selector, el);
|
|
|
+ },
|
|
|
+ extend: _extend,
|
|
|
+ throttle: _throttle,
|
|
|
+ closest: _closest,
|
|
|
+ toggleClass: _toggleClass,
|
|
|
+ index: _index
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ Sortable.version = '1.2.1';
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Create sortable instance
|
|
|
+ * @param {HTMLElement} el
|
|
|
+ * @param {Object} [options]
|
|
|
+ */
|
|
|
+ Sortable.create = function (el, options) {
|
|
|
+ return new Sortable(el, options);
|
|
|
+ };
|
|
|
+
|
|
|
+ // Export
|
|
|
+ return Sortable;
|
|
|
+});
|
Andrew Kane