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-rw-r--r--public/js/behavior/sortable.js47
-rw-r--r--public/js/module.js297
-rw-r--r--public/js/vendor/Sortable.js2349
-rw-r--r--public/js/vendor/jquery.fn.sortable.js76
4 files changed, 2769 insertions, 0 deletions
diff --git a/public/js/behavior/sortable.js b/public/js/behavior/sortable.js
new file mode 100644
index 0000000..8f32ab7
--- /dev/null
+++ b/public/js/behavior/sortable.js
@@ -0,0 +1,47 @@
+/*! Icinga Web 2 | (c) 2018 Icinga Development Team | GPLv2+ */
+
+(function(Icinga, $) {
+
+ 'use strict';
+
+ Icinga.Behaviors = Icinga.Behaviors || {};
+
+ var Sortable = function (icinga) {
+ Icinga.EventListener.call(this, icinga);
+ this.on('rendered', this.onRendered, this);
+ };
+
+ Sortable.prototype = new Icinga.EventListener();
+
+ Sortable.prototype.onRendered = function(e) {
+ $(e.target).find('.sortable').each(function() {
+ var $el = $(this);
+ var options = {
+ scroll: $el.closest('.container')[0],
+ onMove: function (/**Event*/ event, /**Event*/ originalEvent) {
+ if (typeof this.options['filter'] !== 'undefined' && $(event.related).is(this.options['filter'])) {
+ // Assumes the filtered item is either at the very start or end of the list and prevents the
+ // user from dropping other items before (if at the very start) or after it.
+ return false;
+ }
+ }
+ };
+
+ $.each($el.data(), function (i, v) {
+ if (i.length > 8 && i.substring(0, 8) === 'sortable') {
+ options[i.charAt(8).toLowerCase() + i.substr(9)] = v;
+ }
+ });
+
+ if (typeof options.group !== 'undefined' && typeof options.group.put === 'string' && options.group.put.substring(0, 9) === 'function:') {
+ var module = icinga.module($el.closest('.icinga-module').data('icingaModule'));
+ options.group.put = module.object[options.group.put.substr(9)];
+ }
+
+ $(this).sortable(options);
+ });
+ };
+
+ Icinga.Behaviors.Sortable = Sortable;
+
+})(Icinga, jQuery);
diff --git a/public/js/module.js b/public/js/module.js
new file mode 100644
index 0000000..ca9e238
--- /dev/null
+++ b/public/js/module.js
@@ -0,0 +1,297 @@
+
+(function(Icinga) {
+
+ var Bp = function(module) {
+ /**
+ * YES, we need Icinga
+ */
+ this.module = module;
+
+ this.idCache = {};
+
+ this.initialize();
+
+ this.module.icinga.logger.debug('BP module loaded');
+ };
+
+ Bp.prototype = {
+
+ initialize: function()
+ {
+ /**
+ * Tell Icinga about our event handlers
+ */
+ this.module.on('rendered', this.onRendered);
+
+ this.module.on('focus', 'form input, form textarea, form select', this.formElementFocus);
+
+ this.module.on('click', 'li.process a.toggle', this.processToggleClick);
+ this.module.on('click', 'li.process > div', this.processHeaderClick);
+ this.module.on('end', 'ul.sortable', this.rowDropped);
+
+ this.module.on('click', 'div.tiles > div', this.tileClick);
+ this.module.on('click', '.dashboard-tile', this.dashboardTileClick);
+ this.module.on('end', 'div.tiles.sortable', this.tileDropped);
+
+ this.module.on('choose', '.sortable', this.suspendAutoRefresh);
+ this.module.on('unchoose', '.sortable', this.resumeAutoRefresh);
+
+ this.module.icinga.logger.debug('BP module initialized');
+ },
+
+ onRendered: function (event) {
+ var $container = $(event.currentTarget);
+ this.fixFullscreen($container);
+ this.restoreCollapsedBps($container);
+ this.highlightFormErrors($container);
+ this.hideInactiveFormDescriptions($container);
+ this.fixTileLinksOnDashboard($container);
+ },
+
+ processToggleClick: function (event) {
+ event.stopPropagation();
+
+ var $li = $(event.currentTarget).closest('li.process');
+ $li.toggleClass('collapsed');
+
+ var $bpUl = $(event.currentTarget).closest('.content > ul.bp');
+ if (! $bpUl.length || !$bpUl.data('isRootConfig')) {
+ return;
+ }
+
+ var bpName = $bpUl.attr('id');
+ if (typeof this.idCache[bpName] === 'undefined') {
+ this.idCache[bpName] = [];
+ }
+
+ var index = this.idCache[bpName].indexOf($li.attr('id'));
+ if ($li.is('.collapsed')) {
+ if (index === -1) {
+ this.idCache[bpName].push($li.attr('id'));
+ }
+ } else if (index !== -1) {
+ this.idCache[bpName].splice(index, 1);
+ }
+ },
+
+ processHeaderClick: function (event) {
+ this.processToggleClick(event);
+ },
+
+ hideInactiveFormDescriptions: function($container) {
+ $container.find('dd').not('.active').find('p.description').hide();
+ },
+
+ tileClick: function(event) {
+ $(event.currentTarget).find('> a').first().trigger('click');
+ },
+
+ dashboardTileClick: function(event) {
+ $(event.currentTarget).find('> .bp-link > a').first().trigger('click');
+ },
+
+ suspendAutoRefresh: function(event) {
+ // TODO: If there is a better approach some time, let me know
+ $(event.originalEvent.from).closest('.container').data('lastUpdate', (new Date()).getTime() + 3600 * 1000);
+ event.stopPropagation();
+ },
+
+ resumeAutoRefresh: function(event) {
+ var $container = $(event.originalEvent.from).closest('.container');
+ $container.data('lastUpdate', (new Date()).getTime() - ($container.data('icingaRefresh') || 10) * 1000);
+ event.stopPropagation();
+ },
+
+ tileDropped: function(event) {
+ var evt = event.originalEvent;
+ if (evt.oldIndex !== evt.newIndex) {
+ var $source = $(evt.from);
+ $source.addClass('progress')
+ .data('sortable').option('disabled', true);
+
+ var data = {
+ csrfToken: $source.data('csrfToken'),
+ movenode: 'movenode', // That's the submit button..
+ parent: $(evt.to).data('nodeName') || '',
+ from: evt.oldIndex,
+ to: evt.newIndex
+ };
+
+ var actionUrl = [
+ $source.data('actionUrl'),
+ 'action=move',
+ 'movenode=' + $(evt.item).data('nodeName')
+ ].join('&');
+
+ var $container = $source.closest('.container');
+ var req = icinga.loader.loadUrl(actionUrl, $container, data, 'POST');
+ req.always(function() {
+ icinga.loader.loadUrl(
+ $container.data('icingaUrl'), $container, undefined, undefined, undefined, true);
+ });
+ }
+ },
+
+ rowDropped: function(event) {
+ var evt = event.originalEvent,
+ $source = $(evt.from),
+ $target = $(evt.to);
+
+ if (evt.oldIndex !== evt.newIndex || !$target.is($source)) {
+ var $root = $target.closest('.content > ul.bp');
+ $root.addClass('progress')
+ .find('ul.bp')
+ .add($root)
+ .each(function() {
+ $(this).data('sortable').option('disabled', true);
+ });
+
+ var data = {
+ csrfToken: $target.data('csrfToken'),
+ movenode: 'movenode', // That's the submit button..
+ parent: $target.closest('.process').data('nodeName') || '',
+ from: evt.oldIndex,
+ to: evt.newIndex
+ };
+
+ var actionUrl = [
+ $source.data('actionUrl'),
+ 'action=move',
+ 'movenode=' + $(evt.item).data('nodeName')
+ ].join('&');
+
+ var $container = $target.closest('.container');
+ var req = icinga.loader.loadUrl(actionUrl, $container, data, 'POST');
+ req.always(function() {
+ icinga.loader.loadUrl(
+ $container.data('icingaUrl'), $container, undefined, undefined, undefined, true);
+ });
+ event.stopPropagation();
+ }
+ },
+
+ /**
+ * Called by Sortable.js while in Tree-View
+ *
+ * See group option on the sortable elements.
+ *
+ * @param to
+ * @param from
+ * @param item
+ * @param event
+ * @returns boolean
+ */
+ rowPutAllowed: function(to, from, item, event) {
+ if (to.options.group.name === 'root') {
+ return $(item).is('.process');
+ }
+
+ // Otherwise we're facing a nesting error next
+ var $item = $(item),
+ childrenNames = $item.find('.process').map(function () {
+ return $(this).data('nodeName');
+ }).get();
+ childrenNames.push($item.data('nodeName'));
+ var loopDetected = $(to.el).parents('.process').toArray().some(function (parent) {
+ return childrenNames.indexOf($(parent).data('nodeName')) !== -1;
+ });
+
+ return !loopDetected;
+ },
+
+ fixTileLinksOnDashboard: function($container) {
+ if ($container.closest('div.dashboard').length) {
+ $container.find('div.tiles').data('baseTarget', '_next');
+ }
+ },
+
+ fixFullscreen: function($container) {
+ var $controls = $container.find('div.controls');
+ var $layout = $('#layout');
+ var icinga = this.module.icinga;
+ if ($controls.hasClass('want-fullscreen')) {
+ if (!$layout.hasClass('fullscreen-layout')) {
+
+ $layout.addClass('fullscreen-layout');
+ $controls.removeAttr('style');
+ $container.find('.fake-controls').remove();
+ icinga.ui.currentLayout = 'fullscreen';
+ }
+ } else if (! $container.parent('.dashboard').length) {
+ if ($layout.hasClass('fullscreen-layout')) {
+ $layout.removeClass('fullscreen-layout');
+ icinga.ui.layoutHasBeenChanged();
+ icinga.ui.initializeControls($container);
+ }
+ }
+ },
+
+ restoreCollapsedBps: function($container) {
+ var $bpUl = $container.find('.content > ul.bp');
+ if (! $bpUl.length || !$bpUl.data('isRootConfig')) {
+ return;
+ }
+
+ var bpName = $bpUl.attr('id');
+ if (typeof this.idCache[bpName] === 'undefined') {
+ return;
+ }
+
+ var _this = this;
+ $bpUl.find('li.process')
+ .filter(function () {
+ return _this.idCache[bpName].indexOf(this.id) !== -1;
+ })
+ .addClass('collapsed');
+ },
+
+ /** BEGIN Form handling, borrowed from Director **/
+ formElementFocus: function(ev)
+ {
+ var $input = $(ev.currentTarget);
+ var $dd = $input.closest('dd');
+ $dd.find('p.description').show();
+ if ($dd.attr('id') && $dd.attr('id').match(/button/)) {
+ return;
+ }
+ var $li = $input.closest('li');
+ var $dt = $dd.prev();
+ var $form = $dd.closest('form');
+
+ $form.find('dt, dd, li').removeClass('active');
+ $li.addClass('active');
+ $dt.addClass('active');
+ $dd.addClass('active');
+ $dd.find('p.description.fading-out')
+ .stop(true)
+ .removeClass('fading-out')
+ .fadeIn('fast');
+
+ $form.find('dd').not($dd)
+ .find('p.description')
+ .not('.fading-out')
+ .addClass('fading-out')
+ .delay(2000)
+ .fadeOut('slow', function() {
+ $(this).removeClass('fading-out').hide()
+ });
+ },
+
+ highlightFormErrors: function($container)
+ {
+ $container.find('dd ul.errors').each(function(idx, ul) {
+ var $ul = $(ul);
+ var $dd = $ul.closest('dd');
+ var $dt = $dd.prev();
+
+ $dt.addClass('errors');
+ $dd.addClass('errors');
+ });
+ }
+ /** END Form handling **/
+ };
+
+ Icinga.availableModules.businessprocess = Bp;
+
+}(Icinga));
+
diff --git a/public/js/vendor/Sortable.js b/public/js/vendor/Sortable.js
new file mode 100644
index 0000000..edb4e1c
--- /dev/null
+++ b/public/js/vendor/Sortable.js
@@ -0,0 +1,2349 @@
+/**!
+ * Sortable
+ * @author RubaXa <trash@rubaxa.org>
+ * @author owenm <owen23355@gmail.com>
+ * @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,
+
+ oldIndex,
+ newIndex,
+
+ activeGroup,
+ putSortable,
+
+ autoScrolls = [],
+ scrolling = false,
+
+ awaitingDragStarted = false,
+ ignoreNextClick = false,
+ sortables = [],
+
+ pointerElemChangedInterval,
+ lastPointerElemX,
+ lastPointerElemY,
+
+ tapEvt,
+ touchEvt,
+
+ moved,
+
+
+ lastTarget,
+ lastDirection,
+ pastFirstInvertThresh = false,
+ isCircumstantialInvert = false,
+ lastMode, // 'swap' or 'insert'
+
+ targetMoveDistance,
+
+
+ forRepaintDummy,
+ realDragElRect, // dragEl rect after current animation
+
+ /** @const */
+ R_SPACE = /\s+/g,
+
+ expando = 'Sortable' + (new Date).getTime(),
+
+ win = window,
+ document = win.document,
+ parseInt = win.parseInt,
+ setTimeout = win.setTimeout,
+
+ $ = win.jQuery || win.Zepto,
+ Polymer = win.Polymer,
+
+ captureMode = {
+ capture: false,
+ passive: false
+ },
+
+ IE11OrLess = !!navigator.userAgent.match(/(?:Trident.*rv[ :]?11\.|msie|iemobile)/i),
+ Edge = !!navigator.userAgent.match(/Edge/i),
+ // FireFox = !!navigator.userAgent.match(/firefox/i),
+
+ CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
+
+ // This will not pass for IE9, because IE9 DnD only works on anchors
+ supportDraggable = ('draggable' in document.createElement('div')),
+
+ supportCssPointerEvents = (function() {
+ // false when <= IE11
+ if (IE11OrLess) {
+ return false;
+ }
+ var el = document.createElement('x');
+ el.style.cssText = 'pointer-events:auto';
+ return el.style.pointerEvents === 'auto';
+ })(),
+
+ _silent = false,
+ _alignedSilent = false,
+
+ abs = Math.abs,
+ min = Math.min,
+
+ savedInputChecked = [],
+
+ _detectDirection = function(el, options) {
+ var elCSS = _css(el),
+ elWidth = parseInt(elCSS.width),
+ 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 (child1 && firstChildCSS.float !== 'none') {
+ var touchingSideChild2 = firstChildCSS.float === 'left' ? 'left' : 'right';
+
+ return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ?
+ 'vertical' : 'horizontal';
+ }
+ return (child1 &&
+ (
+ firstChildCSS.display === 'block' ||
+ firstChildCSS.display === 'flex' ||
+ firstChildCSS.display === 'table' ||
+ firstChildCSS.display === 'grid' ||
+ firstChildWidth >= elWidth &&
+ elCSS[CSSFloatProperty] === 'none' ||
+ child2 &&
+ elCSS[CSSFloatProperty] === 'none' &&
+ firstChildWidth + secondChildWidth > elWidth
+ ) ?
+ 'vertical' : 'horizontal'
+ );
+ },
+
+ /**
+ * 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) {
+ for (var i = 0; i < sortables.length; i++) {
+ if (sortables[i].children.length) continue;
+
+ var rect = _getRect(sortables[i]),
+ threshold = sortables[i][expando].options.emptyInsertThreshold,
+ insideHorizontally = x >= (rect.left - threshold) && x <= (rect.right + threshold),
+ insideVertically = y >= (rect.top - threshold) && y <= (rect.bottom + threshold);
+
+ if (insideHorizontally && insideVertically) {
+ return sortables[i];
+ }
+ }
+ },
+
+ _isClientInRowColumn = function(x, y, el, axis, options) {
+ var targetRect = _getRect(el),
+ targetS1Opp = axis === 'vertical' ? targetRect.left : targetRect.top,
+ targetS2Opp = axis === 'vertical' ? targetRect.right : targetRect.bottom,
+ mouseOnOppAxis = axis === 'vertical' ? x : y;
+
+ return targetS1Opp < mouseOnOppAxis && mouseOnOppAxis < targetS2Opp;
+ },
+
+ _isElInRowColumn = function(el1, el2, axis) {
+ var el1Rect = el1 === dragEl && realDragElRect || _getRect(el1),
+ el2Rect = el2 === dragEl && realDragElRect || _getRect(el2),
+ el1S1Opp = axis === 'vertical' ? el1Rect.left : el1Rect.top,
+ el1S2Opp = axis === 'vertical' ? el1Rect.right : el1Rect.bottom,
+ el1OppLength = axis === 'vertical' ? el1Rect.width : el1Rect.height,
+ el2S1Opp = axis === 'vertical' ? el2Rect.left : el2Rect.top,
+ el2S2Opp = axis === 'vertical' ? el2Rect.right : el2Rect.bottom,
+ el2OppLength = axis === 'vertical' ? el2Rect.width : el2Rect.height;
+
+ return (
+ el1S1Opp === el2S1Opp ||
+ el1S2Opp === el2S2Opp ||
+ (el1S1Opp + el1OppLength / 2) === (el2S1Opp + el2OppLength / 2)
+ );
+ },
+
+ _getParentAutoScrollElement = function(el, includeSelf) {
+ // skip to window
+ if (!el || !el.getBoundingClientRect) return win;
+
+ var elem = el;
+ var gotSelf = false;
+ do {
+ // we don't need to get elem css if it isn't even overflowing in the first place (performance)
+ if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
+ var elemCSS = _css(elem);
+ if (
+ elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') ||
+ elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')
+ ) {
+ if (!elem || !elem.getBoundingClientRect || elem === document.body) return win;
+
+ if (gotSelf || includeSelf) return elem;
+ gotSelf = true;
+ }
+ }
+ /* jshint boss:true */
+ } while (elem = elem.parentNode);
+
+ return win;
+ },
+
+ _autoScroll = _throttle(function (/**Event*/evt, /**Object*/options, /**HTMLElement*/rootEl, /**Boolean*/isFallback) {
+ // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
+ if (options.scroll) {
+ var _this = rootEl ? rootEl[expando] : window,
+ sens = options.scrollSensitivity,
+ speed = options.scrollSpeed,
+
+ x = evt.clientX,
+ y = evt.clientY,
+
+ winWidth = window.innerWidth,
+ winHeight = window.innerHeight,
+
+ scrollThisInstance = false;
+
+ // Detect scrollEl
+ if (scrollParentEl !== rootEl) {
+ _clearAutoScrolls();
+
+ scrollEl = options.scroll;
+ scrollCustomFn = options.scrollFn;
+
+ if (scrollEl === true) {
+ scrollEl = _getParentAutoScrollElement(rootEl, true);
+ scrollParentEl = scrollEl;
+ }
+ }
+
+
+ var layersOut = 0;
+ var currentParent = scrollEl;
+ do {
+ var el = currentParent,
+ rect = _getRect(el),
+
+ top = rect.top,
+ bottom = rect.bottom,
+ left = rect.left,
+ right = rect.right,
+
+ width = rect.width,
+ height = rect.height,
+
+ scrollWidth,
+ scrollHeight,
+
+ css,
+
+ vx,
+ vy,
+
+ canScrollX,
+ canScrollY,
+
+ scrollPosX,
+ scrollPosY;
+
+
+ if (el !== win) {
+ scrollWidth = el.scrollWidth;
+ scrollHeight = el.scrollHeight;
+
+ css = _css(el);
+
+ canScrollX = width < scrollWidth && (css.overflowX === 'auto' || css.overflowX === 'scroll');
+ canScrollY = height < scrollHeight && (css.overflowY === 'auto' || css.overflowY === 'scroll');
+
+ scrollPosX = el.scrollLeft;
+ scrollPosY = el.scrollTop;
+ } else {
+ scrollWidth = document.documentElement.scrollWidth;
+ scrollHeight = document.documentElement.scrollHeight;
+
+ css = _css(document.documentElement);
+
+ canScrollX = width < scrollWidth && (css.overflowX === 'auto' || css.overflowX === 'scroll' || css.overflowX === 'visible');
+ canScrollY = height < scrollHeight && (css.overflowY === 'auto' || css.overflowY === 'scroll' || css.overflowY === 'visible');
+
+ scrollPosX = document.documentElement.scrollLeft;
+ scrollPosY = document.documentElement.scrollTop;
+ }
+
+ vx = canScrollX && (abs(right - x) <= sens && (scrollPosX + width) < scrollWidth) - (abs(left - x) <= sens && !!scrollPosX);
+
+ vy = canScrollY && (abs(bottom - y) <= sens && (scrollPosY + height) < scrollHeight) - (abs(top - y) <= sens && !!scrollPosY);
+
+
+ if (!autoScrolls[layersOut]) {
+ for (var i = 0; i <= layersOut; i++) {
+ if (!autoScrolls[i]) {
+ autoScrolls[i] = {};
+ }
+ }
+ }
+
+ if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
+ autoScrolls[layersOut].el = el;
+ autoScrolls[layersOut].vx = vx;
+ autoScrolls[layersOut].vy = vy;
+
+ clearInterval(autoScrolls[layersOut].pid);
+
+ if (el && (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._emulateDragOver(true);
+ }
+ var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
+ var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;
+
+ if ('function' === typeof(scrollCustomFn)) {
+ if (scrollCustomFn.call(_this, scrollOffsetX, scrollOffsetY, evt, touchEvt, autoScrolls[this.layer].el) !== 'continue') {
+ return;
+ }
+ }
+ if (autoScrolls[this.layer].el === win) {
+ win.scrollTo(win.pageXOffset + scrollOffsetX, win.pageYOffset + scrollOffsetY);
+ } else {
+ autoScrolls[this.layer].el.scrollTop += scrollOffsetY;
+ autoScrolls[this.layer].el.scrollLeft += scrollOffsetX;
+ }
+ }).bind({layer: layersOut}), 24);
+ }
+ }
+ layersOut++;
+ } while (options.bubbleScroll && currentParent !== win && (currentParent = _getParentAutoScrollElement(currentParent, false)));
+ scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
+ }
+ }, 30),
+
+ _clearAutoScrolls = function () {
+ autoScrolls.forEach(function(autoScroll) {
+ clearInterval(autoScroll.pid);
+ });
+ autoScrolls = [];
+ },
+
+ _prepareGroup = function (options) {
+ function toFn(value, pull) {
+ return function(to, from, dragEl, evt) {
+ var sameGroup = to.options.group.name &&
+ from.options.group.name &&
+ to.options.group.name === from.options.group.name;
+
+ if (value == null && (pull || sameGroup)) {
+ // Default pull value
+ // Default pull and put value if same group
+ return true;
+ } else if (value == null || value === false) {
+ return false;
+ } else if (pull && value === 'clone') {
+ return value;
+ } else if (typeof value === 'function') {
+ return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
+ } else {
+ var otherGroup = (pull ? to : from).options.group.name;
+
+ return (value === true ||
+ (typeof value === 'string' && value === otherGroup) ||
+ (value.join && value.indexOf(otherGroup) > -1));
+ }
+ };
+ }
+
+ var group = {};
+ var originalGroup = options.group;
+
+ if (!originalGroup || typeof originalGroup != 'object') {
+ originalGroup = {name: originalGroup};
+ }
+
+ group.name = originalGroup.name;
+ group.checkPull = toFn(originalGroup.pull, true);
+ group.checkPut = toFn(originalGroup.put);
+ group.revertClone = originalGroup.revertClone;
+
+ options.group = group;
+ },
+
+ _checkAlignment = function(evt) {
+ if (!dragEl || !dragEl.parentNode) return;
+ dragEl.parentNode[expando] && dragEl.parentNode[expando]._computeIsAligned(evt);
+ },
+
+ _isTrueParentSortable = function(el, target) {
+ var trueParent = target;
+ while (!trueParent[expando]) {
+ trueParent = trueParent.parentNode;
+ }
+
+ return el === trueParent;
+ },
+
+ _artificalBubble = function(sortable, originalEvt, method) {
+ // Artificial IE bubbling
+ var nextParent = sortable.parentNode;
+ while (nextParent && !nextParent[expando]) {
+ nextParent = nextParent.parentNode;
+ }
+
+ if (nextParent) {
+ nextParent[expando][method](_extend(originalEvt, {
+ artificialBubble: true
+ }));
+ }
+ },
+
+ _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
+ document.addEventListener('click', function(evt) {
+ if (ignoreNextClick) {
+ evt.preventDefault();
+ evt.stopPropagation && evt.stopPropagation();
+ evt.stopImmediatePropagation && evt.stopImmediatePropagation();
+ ignoreNextClick = false;
+ return false;
+ }
+ }, true);
+
+ var nearestEmptyInsertDetectEvent = function(evt) {
+ evt = evt.touches ? evt.touches[0] : evt;
+ if (dragEl) {
+ var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);
+
+ if (nearest) {
+ nearest[expando]._onDragOver({
+ clientX: evt.clientX,
+ clientY: evt.clientY,
+ target: nearest,
+ rootEl: nearest
+ });
+ }
+ }
+ };
+ // We do not want this to be triggered if completed (bubbling canceled), so only define it here
+ _on(document, 'dragover', nearestEmptyInsertDetectEvent);
+ _on(document, 'mousemove', nearestEmptyInsertDetectEvent);
+ _on(document, 'touchmove', nearestEmptyInsertDetectEvent);
+
+ /**
+ * @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, 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,
+ bubbleScroll: true,
+ 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,
+ touchStartThreshold: 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) ||
+ window.navigator && ('msPointerEnabled' in window.navigator) // microsoft
+ ),
+ emptyInsertThreshold: 5
+ };
+
+
+ // 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
+ 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) || []);
+ }
+
+ Sortable.prototype = /** @lends Sortable.prototype */ {
+ constructor: Sortable,
+
+ _computeIsAligned: function(evt) {
+ var target;
+
+ if (ghostEl && !supportCssPointerEvents) {
+ _hideGhostForTarget();
+ target = document.elementFromPoint(evt.clientX, evt.clientY);
+ _unhideGhostForTarget();
+ } else {
+ target = evt.target;
+ }
+
+ target = _closest(target, this.options.draggable, this.el, false);
+ if (_alignedSilent) return;
+ if (!dragEl || dragEl.parentNode !== this.el) return;
+
+ var children = this.el.children;
+ for (var i = 0; i < children.length; i++) {
+ // Don't change for target in case it is changed to aligned before onDragOver is fired
+ if (_closest(children[i], this.options.draggable, this.el, false) && children[i] !== target) {
+ children[i].sortableMouseAligned = _isClientInRowColumn(evt.clientX, evt.clientY, children[i], this._getDirection(evt, null), this.options);
+ }
+ }
+ // Used for nulling last target when not in element, nothing to do with checking if aligned
+ if (!_closest(target, this.options.draggable, this.el, true)) {
+ lastTarget = null;
+ }
+
+ _alignedSilent = true;
+ setTimeout(function() {
+ _alignedSilent = false;
+ }, 30);
+
+ },
+
+ _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;
+ 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]) || (evt.composedPath && evt.composedPath()[0])) || target,
+ filter = options.filter,
+ startIndex;
+
+ _saveInputCheckedState(el);
+
+
+ // IE: Calls events in capture mode if event element is nested. This ensures only correct element's _onTapStart goes through.
+ // This process is also done in _onDragOver
+ if (IE11OrLess && !evt.artificialBubble && !_isTrueParentSortable(el, target)) {
+ return;
+ }
+
+ // 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;
+ }
+
+ target = _closest(target, options.draggable, el, false);
+
+ if (!target) {
+ if (IE11OrLess) {
+ _artificalBubble(el, evt, '_onTapStart');
+ }
+ 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.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(_this, criteria, 'filter', target, el, el, startIndex);
+ 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, startIndex);
+ },
+
+
+ _handleAutoScroll: function(evt, fallback) {
+ if (!dragEl || !this.options.scroll) return;
+ var x = evt.clientX,
+ y = evt.clientY,
+
+ elem = document.elementFromPoint(x, y),
+ _this = this;
+
+ // IE does not seem to have native autoscroll,
+ // Edge's autoscroll seems too conditional,
+ // Firefox and Chrome are good
+ if (fallback || Edge || IE11OrLess) {
+ _autoScroll(evt, _this.options, elem, fallback);
+
+ // Listener for pointer element change
+ var ogElemScroller = _getParentAutoScrollElement(elem, true);
+ if (
+ scrolling &&
+ (
+ !pointerElemChangedInterval ||
+ x !== lastPointerElemX ||
+ y !== lastPointerElemY
+ )
+ ) {
+
+ pointerElemChangedInterval && clearInterval(pointerElemChangedInterval);
+ // Detect for pointer elem change, emulating native DnD behaviour
+ pointerElemChangedInterval = setInterval(function() {
+ if (!dragEl) return;
+ // could also check if scroll direction on newElem changes due to parent autoscrolling
+ var newElem = _getParentAutoScrollElement(document.elementFromPoint(x, y), true);
+ if (newElem !== ogElemScroller) {
+ ogElemScroller = newElem;
+ _clearAutoScrolls();
+ _autoScroll(evt, _this.options, ogElemScroller, fallback);
+ }
+ }, 10);
+ lastPointerElemX = x;
+ lastPointerElemY = 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) === window) {
+ _clearAutoScrolls();
+ return;
+ }
+ _autoScroll(evt, _this.options, _getParentAutoScrollElement(elem, false), false);
+ }
+ },
+
+ _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)) {
+ rootEl = el;
+ dragEl = target;
+ parentEl = dragEl.parentNode;
+ nextEl = dragEl.nextSibling;
+ lastDownEl = target;
+ activeGroup = options.group;
+ oldIndex = startIndex;
+
+ tapEvt = {
+ target: dragEl,
+ clientX: (touch || evt).clientX,
+ clientY: (touch || evt).clientY
+ };
+
+ this._lastX = (touch || evt).clientX;
+ this._lastY = (touch || evt).clientY;
+
+ dragEl.style['will-change'] = 'all';
+ // undo animation if needed
+ dragEl.style.transition = '';
+ dragEl.style.transform = '';
+
+ 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;
+
+ // Bind the events: dragstart/dragend
+ _this._triggerDragStart(evt, touch);
+
+ // Drag start event
+ _dispatchEvent(_this, rootEl, 'choose', dragEl, rootEl, rootEl, oldIndex);
+
+ // Chosen item
+ _toggleClass(dragEl, options.chosenClass, true);
+ };
+
+ // Disable "draggable"
+ options.ignore.split(',').forEach(function (criteria) {
+ _find(dragEl, criteria.trim(), _disableDraggable);
+ });
+
+ if (options.supportPointer) {
+ _on(ownerDocument, 'pointerup', _this._onDrop);
+ } else {
+ _on(ownerDocument, 'mouseup', _this._onDrop);
+ _on(ownerDocument, 'touchend', _this._onDrop);
+ _on(ownerDocument, 'touchcancel', _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._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) {
+ var touch = e.touches ? e.touches[0] : e;
+ if (min(abs(touch.clientX - this._lastX), abs(touch.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._delayedDragTouchMoveHandler);
+ _off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
+ _off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
+ },
+
+ _triggerDragStart: function (/** Event */evt, /** Touch */touch) {
+ touch = touch || (evt.pointerType == 'touch' ? evt : null);
+
+ 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) {
+ awaitingDragStarted = false;
+ if (rootEl && dragEl) {
+ if (this.nativeDraggable) {
+ _on(document, 'dragover', this._handleAutoScroll);
+ _on(document, 'dragover', _checkAlignment);
+ }
+ var options = this.options;
+
+ // Apply effect
+ !fallback && _toggleClass(dragEl, options.dragClass, false);
+ _toggleClass(dragEl, options.ghostClass, true);
+
+ // In case dragging an animated element
+ _css(dragEl, 'transform', '');
+
+ Sortable.active = this;
+
+ fallback && this._appendGhost();
+
+ // Drag start event
+ _dispatchEvent(this, rootEl, 'start', dragEl, rootEl, rootEl, oldIndex);
+ } else {
+ this._nulling();
+ }
+ },
+
+ _emulateDragOver: function (bypassLastTouchCheck) {
+ if (touchEvt) {
+ if (this._lastX === touchEvt.clientX && this._lastY === touchEvt.clientY && !bypassLastTouchCheck) {
+ return;
+ }
+ this._lastX = touchEvt.clientX;
+ this._lastY = touchEvt.clientY;
+
+ _hideGhostForTarget();
+
+ var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
+ var parent = target;
+
+ while (target && target.shadowRoot) {
+ target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
+ parent = target;
+ }
+
+ if (parent) {
+ do {
+ if (parent[expando]) {
+ var 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
+ }
+ /* jshint boss:true */
+ while (parent = parent.parentNode);
+ }
+ dragEl.parentNode[expando]._computeIsAligned(touchEvt);
+
+ _unhideGhostForTarget();
+ }
+ },
+
+
+ _onTouchMove: function (/**TouchEvent*/evt) {
+ if (tapEvt) {
+ var options = this.options,
+ fallbackTolerance = options.fallbackTolerance,
+ fallbackOffset = options.fallbackOffset,
+ touch = evt.touches ? evt.touches[0] : evt,
+ matrix = ghostEl && _matrix(ghostEl),
+ scaleX = ghostEl && matrix && matrix.a,
+ scaleY = ghostEl && matrix && matrix.d,
+ dx = ((touch.clientX - tapEvt.clientX) + fallbackOffset.x) / (scaleX ? scaleX : 1),
+ dy = ((touch.clientY - tapEvt.clientY) + fallbackOffset.y) / (scaleY ? scaleY : 1),
+ 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 && !awaitingDragStarted) {
+ if (fallbackTolerance &&
+ min(abs(touch.clientX - this._lastX), abs(touch.clientY - this._lastY)) < fallbackTolerance
+ ) {
+ return;
+ }
+ this._onDragStart(evt, true);
+ }
+
+ this._handleAutoScroll(touch, true);
+
+
+ moved = true;
+ touchEvt = touch;
+
+
+ _css(ghostEl, 'webkitTransform', translate3d);
+ _css(ghostEl, 'mozTransform', translate3d);
+ _css(ghostEl, 'msTransform', translate3d);
+ _css(ghostEl, 'transform', translate3d);
+
+ evt.cancelable && evt.preventDefault();
+ }
+ },
+
+ _appendGhost: function () {
+ if (!ghostEl) {
+ var rect = _getRect(dragEl, this.options.fallbackOnBody ? document.body : rootEl, true),
+ css = _css(dragEl),
+ options = this.options;
+
+ ghostEl = dragEl.cloneNode(true);
+
+ _toggleClass(ghostEl, options.ghostClass, false);
+ _toggleClass(ghostEl, options.fallbackClass, true);
+ _toggleClass(ghostEl, options.dragClass, true);
+
+ _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', 'fixed');
+ _css(ghostEl, 'zIndex', '100000');
+ _css(ghostEl, 'pointerEvents', 'none');
+
+ options.fallbackOnBody && document.body.appendChild(ghostEl) || rootEl.appendChild(ghostEl);
+ }
+ },
+
+ _onDragStart: function (/**Event*/evt, /**boolean*/fallback) {
+ var _this = this;
+ var dataTransfer = evt.dataTransfer;
+ var options = _this.options;
+
+ // Setup clone
+ cloneEl = _clone(dragEl);
+
+ cloneEl.draggable = false;
+ cloneEl.style['will-change'] = '';
+
+ this._hideClone();
+
+ _toggleClass(cloneEl, _this.options.chosenClass, false);
+
+
+ // #1143: IFrame support workaround
+ _this._cloneId = _nextTick(function () {
+ if (!_this.options.removeCloneOnHide) {
+ rootEl.insertBefore(cloneEl, dragEl);
+ }
+ _dispatchEvent(_this, rootEl, 'clone', dragEl);
+ });
+
+
+ !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));
+ _on(document, 'selectstart', _this);
+ },
+
+ // Returns true - if no further action is needed (either inserted or another condition)
+ _onDragOver: function (/**Event*/evt) {
+ var el = this.el,
+ target = evt.target,
+ dragRect,
+ targetRect,
+ revert,
+ options = this.options,
+ group = options.group,
+ activeSortable = Sortable.active,
+ isOwner = (activeGroup === group),
+ canSort = options.sort,
+ _this = this;
+
+ if (_silent) return;
+
+ // IE event order fix
+ if (IE11OrLess && !evt.rootEl && !evt.artificialBubble && !_isTrueParentSortable(el, target)) {
+ return;
+ }
+
+ // Return invocation when no further action is needed in another sortable
+ function completed() {
+ if (activeSortable) {
+ // 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 = 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) {
+ _this._handleAutoScroll(evt);
+ dragEl.parentNode[expando]._computeIsAligned(evt);
+ }
+
+ !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
+
+ return true;
+ }
+
+ // Call when dragEl has been inserted
+ function changed() {
+ _dispatchEvent(_this, rootEl, 'change', target, el, rootEl, oldIndex, _index(dragEl, options.draggable), evt);
+ }
+
+
+ if (evt.preventDefault !== void 0) {
+ evt.cancelable && evt.preventDefault();
+ }
+
+
+ moved = true;
+
+ target = _closest(target, options.draggable, el, true);
+
+ // target is dragEl or target is animated
+ if (!!_closest(evt.target, null, dragEl, true) || target.animated) {
+ return completed();
+ }
+
+ if (target !== dragEl) {
+ 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)
+ )
+ )
+ )
+ ) {
+ var axis = this._getDirection(evt, target);
+
+ dragRect = _getRect(dragEl);
+
+ if (revert) {
+ this._hideClone();
+ parentEl = rootEl; // actualization
+
+ if (nextEl) {
+ rootEl.insertBefore(dragEl, nextEl);
+ } else {
+ rootEl.appendChild(dragEl);
+ }
+
+ return completed();
+ }
+
+ if ((el.children.length === 0) || (el.children[0] === ghostEl) ||
+ _ghostIsLast(evt, axis, el) && !dragEl.animated
+ ) {
+ //assign target only if condition is true
+ if (el.children.length !== 0 && el.children[0] !== ghostEl && el === evt.target) {
+ target = _lastChild(el);
+ }
+
+ if (target) {
+ targetRect = _getRect(target);
+ }
+
+ if (isOwner) {
+ activeSortable._hideClone();
+ } else {
+ activeSortable._showClone(this);
+ }
+
+ if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
+ el.appendChild(dragEl);
+ parentEl = el; // actualization
+ realDragElRect = null;
+
+ changed();
+ this._animate(dragRect, dragEl);
+ target && this._animate(targetRect, target);
+ return completed();
+ }
+ }
+ else if (target && target !== dragEl && target.parentNode === el) {
+ var direction = 0,
+ targetBeforeFirstSwap,
+ aligned = target.sortableMouseAligned,
+ differentLevel = dragEl.parentNode !== el,
+ scrolledPastTop = _isScrolledPast(target, axis === 'vertical' ? 'top' : 'left');
+
+ if (lastTarget !== target) {
+ lastMode = null;
+ targetBeforeFirstSwap = _getRect(target)[axis === 'vertical' ? 'top' : 'left'];
+ pastFirstInvertThresh = false;
+ }
+
+ // Reference: https://www.lucidchart.com/documents/view/10fa0e93-e362-4126-aca2-b709ee56bd8b/0
+ if (
+ _isElInRowColumn(dragEl, target, axis) && aligned ||
+ differentLevel ||
+ scrolledPastTop ||
+ options.invertSwap ||
+ lastMode === 'insert' ||
+ // Needed, in the case that we are inside target and inserted because not aligned... aligned will stay false while inside
+ // and lastMode will change to 'insert', but we must swap
+ lastMode === 'swap'
+ ) {
+ // New target that we will be inside
+ if (lastMode !== 'swap') {
+ isCircumstantialInvert = options.invertSwap || differentLevel || scrolling || scrolledPastTop;
+ }
+
+ direction = _getSwapDirection(evt, target, axis,
+ options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold,
+ isCircumstantialInvert,
+ lastTarget === target);
+ lastMode = 'swap';
+ } else {
+ // Insert at position
+ direction = _getInsertDirection(target, options);
+ lastMode = 'insert';
+ }
+ if (direction === 0) return completed();
+
+ realDragElRect = null;
+ lastTarget = target;
+
+ lastDirection = direction;
+
+ targetRect = _getRect(target);
+
+ var nextSibling = target.nextElementSibling,
+ after = false;
+
+ after = direction === 1;
+
+ var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
+
+ if (moveVector !== false) {
+ if (moveVector === 1 || moveVector === -1) {
+ after = (moveVector === 1);
+ }
+
+ _silent = true;
+ setTimeout(_unsilent, 30);
+
+ if (isOwner) {
+ activeSortable._hideClone();
+ } else {
+ activeSortable._showClone(this);
+ }
+
+ if (after && !nextSibling) {
+ el.appendChild(dragEl);
+ } else {
+ target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
+ }
+
+ parentEl = dragEl.parentNode; // actualization
+
+ // must be done before animation
+ if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
+ targetMoveDistance = abs(targetBeforeFirstSwap - _getRect(target)[axis === 'vertical' ? 'top' : 'left']);
+ }
+ changed();
+ !differentLevel && this._animate(targetRect, target);
+ this._animate(dragRect, dragEl);
+
+ return completed();
+ }
+ }
+
+ if (el.contains(dragEl)) {
+ return completed();
+ }
+ }
+
+ if (IE11OrLess && !evt.rootEl) {
+ _artificalBubble(el, evt, '_onDragOver');
+ }
+
+ return false;
+ },
+
+ _animate: function (prevRect, target) {
+ var ms = this.options.animation;
+
+ if (ms) {
+ var currentRect = _getRect(target);
+
+ if (target === dragEl) {
+ realDragElRect = currentRect;
+ }
+
+ if (prevRect.nodeType === 1) {
+ prevRect = _getRect(prevRect);
+ }
+
+ // Check if actually moving position
+ if ((prevRect.left + prevRect.width / 2) !== (currentRect.left + currentRect.width / 2)
+ || (prevRect.top + prevRect.height / 2) !== (currentRect.top + currentRect.height / 2)
+ ) {
+ var matrix = _matrix(this.el),
+ scaleX = matrix && matrix.a,
+ scaleY = matrix && matrix.d;
+
+ _css(target, 'transition', 'none');
+ _css(target, 'transform', 'translate3d('
+ + (prevRect.left - currentRect.left) / (scaleX ? scaleX : 1) + 'px,'
+ + (prevRect.top - currentRect.top) / (scaleY ? scaleY : 1) + 'px,0)'
+ );
+
+ forRepaintDummy = target.offsetWidth; // repaint
+ _css(target, 'transition', 'transform ' + ms + '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;
+ }, 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(document, 'selectstart', this);
+ },
+
+ _onDrop: function (/**Event*/evt) {
+ var el = this.el,
+ options = this.options;
+ awaitingDragStarted = false;
+ scrolling = false;
+ isCircumstantialInvert = false;
+ pastFirstInvertThresh = false;
+
+ clearInterval(this._loopId);
+
+ clearInterval(pointerElemChangedInterval);
+ _clearAutoScrolls();
+ _cancelThrottle();
+
+ clearTimeout(this._dragStartTimer);
+
+ _cancelNextTick(this._cloneId);
+ _cancelNextTick(this._dragStartId);
+
+ // Unbind events
+ _off(document, 'mousemove', this._onTouchMove);
+
+
+ if (this.nativeDraggable) {
+ _off(document, 'drop', this);
+ _off(el, 'dragstart', this._onDragStart);
+ _off(document, 'dragover', this._handleAutoScroll);
+ _off(document, 'dragover', _checkAlignment);
+ }
+
+ this._offUpEvents();
+
+ 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
+ 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, putSortable ? putSortable.options.ghostClass : 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);
+ }
+
+ putSortable && putSortable.save();
+ }
+ 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 =
+ autoScrolls.length =
+
+ pointerElemChangedInterval =
+ lastPointerElemX =
+ lastPointerElemY =
+
+ tapEvt =
+ touchEvt =
+
+ moved =
+ newIndex =
+ oldIndex =
+
+ lastTarget =
+ lastDirection =
+
+ forRepaintDummy =
+ realDragElRect =
+
+ 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 '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 () {
+ var order = [],
+ el,
+ children = this.el.children,
+ i = 0,
+ n = children.length,
+ options = this.options;
+
+ for (; i < n; i++) {
+ el = children[i];
+ if (_closest(el, options.draggable, this.el, false)) {
+ order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
+ }
+ }
+
+ return order;
+ },
+
+
+ /**
+ * Sorts the elements according to the array.
+ * @param {String[]} order order of the items
+ */
+ sort: function (order) {
+ var items = {}, rootEl = this.el;
+
+ this.toArray().forEach(function (id, i) {
+ var el = rootEl.children[i];
+
+ if (_closest(el, this.options.draggable, rootEl, false)) {
+ items[id] = el;
+ }
+ }, this);
+
+ 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 && 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) {
+ 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');
+ });
+
+ this._onDrop();
+
+ sortables.splice(sortables.indexOf(this.el), 1);
+
+ this.el = el = null;
+ },
+
+ _hideClone: function() {
+ if (!cloneEl.cloneHidden) {
+ _css(cloneEl, 'display', 'none');
+ cloneEl.cloneHidden = true;
+ if (cloneEl.parentNode && this.options.removeCloneOnHide) {
+ cloneEl.parentNode.removeChild(cloneEl);
+ }
+ }
+ },
+
+ _showClone: function(putSortable) {
+ if (putSortable.lastPutMode !== 'clone') {
+ this._hideClone();
+ return;
+ }
+
+ if (cloneEl.cloneHidden) {
+ // show clone at dragEl or original position
+ if (rootEl.contains(dragEl) && !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', '');
+ cloneEl.cloneHidden = false;
+ }
+ }
+ };
+
+ 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.substring(1)) ||
+ _matches(el, selector)
+ ) ||
+ includeCTX && el === ctx
+ ) {
+ return el;
+ }
+
+ if (el === ctx) break;
+ /* jshint boss:true */
+ } while (el = _getParentOrHost(el));
+ }
+
+ return null;
+ }
+
+
+ function _getParentOrHost(el) {
+ return (el.host && el !== document && el.host.nodeType)
+ ? el.host
+ : el.parentNode;
+ }
+
+
+ function _globalDragOver(/**Event*/evt) {
+ if (evt.dataTransfer) {
+ evt.dataTransfer.dropEffect = 'move';
+ }
+ evt.cancelable && 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 && name) {
+ if (el.classList) {
+ el.classList[state ? 'add' : 'remove'](name);
+ }
+ else {
+ var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' ');
+ el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' ');
+ }
+ }
+ }
+
+
+ function _css(el, prop, val) {
+ var style = el && el.style;
+
+ if (style) {
+ if (val === void 0) {
+ if (document.defaultView && document.defaultView.getComputedStyle) {
+ val = document.defaultView.getComputedStyle(el, '');
+ }
+ else if (el.currentStyle) {
+ val = el.currentStyle;
+ }
+
+ return prop === void 0 ? val : val[prop];
+ }
+ else {
+ if (!(prop in style) && prop.indexOf('webkit') === -1) {
+ prop = '-webkit-' + prop;
+ }
+
+ style[prop] = val + (typeof val === 'string' ? '' : 'px');
+ }
+ }
+ }
+
+ function _matrix(el) {
+ var appliedTransforms = '';
+ do {
+ var transform = _css(el, 'transform');
+
+ if (transform && transform !== 'none') {
+ appliedTransforms = transform + ' ' + appliedTransforms;
+ }
+ /* jshint boss:true */
+ } while (el = el.parentNode);
+
+ if (window.DOMMatrix) {
+ return new DOMMatrix(appliedTransforms);
+ } else if (window.WebKitCSSMatrix) {
+ return new WebKitCSSMatrix(appliedTransforms);
+ } else if (window.CSSMatrix) {
+ return new CSSMatrix(appliedTransforms);
+ }
+ }
+
+
+ function _find(ctx, tagName, iterator) {
+ if (ctx) {
+ var list = ctx.getElementsByTagName(tagName), i = 0, n = list.length;
+
+ if (iterator) {
+ for (; i < n; i++) {
+ iterator(list[i], i);
+ }
+ }
+
+ return list;
+ }
+
+ return [];
+ }
+
+
+
+ function _dispatchEvent(sortable, rootEl, name, targetEl, toEl, fromEl, startIndex, newIndex, originalEvt) {
+ sortable = (sortable || rootEl[expando]);
+ var evt,
+ options = sortable.options,
+ onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
+ // Support for new CustomEvent feature
+ if (window.CustomEvent && !IE11OrLess && !Edge) {
+ evt = new CustomEvent(name, {
+ bubbles: true,
+ cancelable: true
+ });
+ } else {
+ evt = document.createEvent('Event');
+ evt.initEvent(name, true, true);
+ }
+
+ evt.to = toEl || rootEl;
+ evt.from = fromEl || rootEl;
+ evt.item = targetEl || rootEl;
+ evt.clone = cloneEl;
+
+ evt.oldIndex = startIndex;
+ evt.newIndex = newIndex;
+
+ evt.originalEvent = originalEvt;
+
+ if (rootEl) {
+ 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;
+ // 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 = originalEvt;
+
+ fromEl.dispatchEvent(evt);
+
+ if (onMoveFn) {
+ retVal = onMoveFn.call(sortable, evt, originalEvt);
+ }
+
+ return retVal;
+ }
+
+ function _disableDraggable(el) {
+ el.draggable = false;
+ }
+
+ function _unsilent() {
+ _silent = false;
+ }
+
+ /**
+ * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
+ * and non-draggable elements
+ * @param {HTMLElement} el The parent element
+ * @param {Number} childNum The index of the child
+ * @param {Object} options Parent Sortable's options
+ * @return {HTMLElement} The child at index childNum, or null if not found
+ */
+ function _getChild(el, childNum, options) {
+ var currentChild = 0,
+ i = 0,
+ children = el.children;
+
+ while (i < children.length) {
+ if (
+ children[i].style.display !== 'none' &&
+ children[i] !== ghostEl &&
+ children[i] !== dragEl &&
+ _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
+ * @return {HTMLElement} The last child, ignoring ghostEl
+ */
+ function _lastChild(el) {
+ var last = el.lastElementChild;
+
+ while (last === ghostEl || last.style.display === 'none') {
+ last = last.previousElementSibling;
+
+ if (!last) break;
+ }
+
+ return last || null;
+ }
+
+ function _ghostIsLast(evt, axis, el) {
+ var elRect = _getRect(_lastChild(el)),
+ mouseOnAxis = axis === 'vertical' ? evt.clientY : evt.clientX,
+ mouseOnOppAxis = axis === 'vertical' ? evt.clientX : evt.clientY,
+ targetS2 = axis === 'vertical' ? elRect.bottom : elRect.right,
+ targetS1Opp = axis === 'vertical' ? elRect.left : elRect.top,
+ targetS2Opp = axis === 'vertical' ? elRect.right : elRect.bottom,
+ spacer = 10;
+
+ return (
+ axis === 'vertical' ?
+ (mouseOnOppAxis > targetS2Opp + spacer || mouseOnOppAxis <= targetS2Opp && mouseOnAxis > targetS2 && mouseOnOppAxis >= targetS1Opp) :
+ (mouseOnAxis > targetS2 && mouseOnOppAxis > targetS1Opp || mouseOnAxis <= targetS2 && mouseOnOppAxis > targetS2Opp + spacer)
+ );
+ }
+
+ function _getSwapDirection(evt, target, axis, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
+ var targetRect = _getRect(target),
+ mouseOnAxis = axis === 'vertical' ? evt.clientY : evt.clientX,
+ targetLength = axis === 'vertical' ? targetRect.height : targetRect.width,
+ targetS1 = axis === 'vertical' ? targetRect.top : targetRect.left,
+ targetS2 = axis === 'vertical' ? targetRect.bottom : targetRect.right,
+ dragRect = _getRect(dragEl),
+ 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) {
+ var dragS1 = axis === 'vertical' ? dragRect.top : dragRect.left,
+ dragS2 = axis === 'vertical' ? dragRect.bottom : dragRect.right;
+ // dragEl shadow (target move distance shadow)
+ if (
+ lastDirection === 1 ?
+ (
+ mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
+ ) :
+ (
+ mouseOnAxis > targetS2 - targetMoveDistance
+ )
+ )
+ {
+ return lastDirection * -1;
+ }
+ } else {
+ invert = true;
+ }
+ } else {
+ // Regular
+ if (
+ mouseOnAxis > targetS1 + (targetLength * (1 - swapThreshold) / 2) &&
+ mouseOnAxis < targetS2 - (targetLength * (1 - swapThreshold) / 2)
+ ) {
+ return ((mouseOnAxis > targetS1 + targetLength / 2) ? -1 : 1);
+ }
+ }
+ }
+
+ 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
+ * @param {Object} options options of the parent sortable
+ * @return {Number} Direction dragEl must be swapped
+ */
+ function _getInsertDirection(target, options) {
+ var dragElIndex = _index(dragEl, options.draggable),
+ targetIndex = _index(target, options.draggable);
+
+ if (dragElIndex < targetIndex) {
+ return 1;
+ } else {
+ return -1;
+ }
+ }
+
+
+ /**
+ * Generate id
+ * @param {HTMLElement} el
+ * @returns {String}
+ * @private
+ */
+ function _generateId(el) {
+ var str = el.tagName + el.className + el.src + el.href + el.textContent,
+ i = str.length,
+ sum = 0;
+
+ while (i--) {
+ sum += str.charCodeAt(i);
+ }
+
+ return sum.toString(36);
+ }
+
+ /**
+ * 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') && el !== cloneEl) {
+ 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);
+ } else if (el.webkitMatchesSelector) {
+ return el.webkitMatchesSelector(selector);
+ }
+ } catch(_) {
+ return false;
+ }
+ }
+
+ return false;
+ }
+
+ var _throttleTimeout;
+ function _throttle(callback, ms) {
+ return function () {
+ if (!_throttleTimeout) {
+ var args = arguments,
+ _this = this;
+
+ _throttleTimeout = setTimeout(function () {
+ if (args.length === 1) {
+ callback.call(_this, args[0]);
+ } else {
+ callback.apply(_this, args);
+ }
+
+ _throttleTimeout = void 0;
+ }, ms);
+ }
+ };
+ }
+
+ function _cancelThrottle() {
+ clearTimeout(_throttleTimeout);
+ _throttleTimeout = void 0;
+ }
+
+ 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);
+ }
+
+
+ /**
+ * Returns the "bounding client rect" of given element
+ * @param {HTMLElement} el The element whose boundingClientRect is wanted
+ * @param {[HTMLElement]} container the parent the element will be placed in
+ * @param {[Boolean]} adjustForTransform Whether the rect should compensate for parent's transform
+ * (used for fixed positioning on el)
+ * @return {Object} The boundingClientRect of el
+ */
+ function _getRect(el, container, adjustForTransform) {
+ if (!el.getBoundingClientRect && el !== win) return;
+
+ var elRect,
+ top,
+ left,
+ bottom,
+ right,
+ height,
+ width;
+
+ if (el !== win) {
+ 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 (adjustForTransform && el !== win) {
+ // Adjust for translate()
+ container = container || el.parentNode;
+
+ // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
+ // Not needed on <= IE11
+ if (!IE11OrLess) {
+ do {
+ if (container && container.getBoundingClientRect && _css(container, 'transform') !== 'none') {
+ var containerRect = container.getBoundingClientRect();
+
+ // Set relative to edges of padding box of container
+ top -= containerRect.top + parseInt(_css(container, 'border-top-width'));
+ left -= containerRect.left + parseInt(_css(container, 'border-left-width'));
+ bottom = top + elRect.height;
+ right = left + elRect.width;
+
+ break;
+ }
+ /* jshint boss:true */
+ } while (container = container.parentNode);
+ }
+
+ // Adjust for scale()
+ var matrix = _matrix(el),
+ scaleX = matrix && matrix.a,
+ scaleY = matrix && matrix.d;
+
+ if (matrix) {
+ 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 it's parents
+ * @param {HTMLElement} el The element who's side being scrolled out of view is in question
+ * @param {String} side Side of the element in question ('top', 'left', 'right', 'bottom')
+ * @return {Boolean} Whether the element is overflowing the viewport on the given side of it's parent
+ */
+ function _isScrolledPast(el, side) {
+ var parent = _getParentAutoScrollElement(parent, true),
+ elSide = _getRect(el)[side];
+
+ /* jshint boss:true */
+ while (parent) {
+ var parentSide = _getRect(parent)[side],
+ visible;
+
+ if (side === 'top' || side === 'left') {
+ visible = elSide >= parentSide;
+ } else {
+ visible = elSide <= parentSide;
+ }
+
+ if (!visible) return true;
+
+ if (parent === win) break;
+
+ parent = _getParentAutoScrollElement(parent, false);
+ }
+
+ return false;
+ }
+
+ // Fixed #973:
+ _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
+ };
+
+
+ /**
+ * Create sortable instance
+ * @param {HTMLElement} el
+ * @param {Object} [options]
+ */
+ Sortable.create = function (el, options) {
+ return new Sortable(el, options);
+ };
+
+
+ // Export
+ Sortable.version = '1.8.3';
+ return Sortable;
+}); \ No newline at end of file
diff --git a/public/js/vendor/jquery.fn.sortable.js b/public/js/vendor/jquery.fn.sortable.js
new file mode 100644
index 0000000..cd5189a
--- /dev/null
+++ b/public/js/vendor/jquery.fn.sortable.js
@@ -0,0 +1,76 @@
+(function (factory) {
+ "use strict";
+ var sortable,
+ jq,
+ _this = this
+ ;
+
+ if (typeof define === "function" && define.amd) {
+ try {
+ define(["sortablejs", "jquery"], function(Sortable, $) {
+ sortable = Sortable;
+ jq = $;
+ checkErrors();
+ factory(Sortable, $);
+ });
+ } catch(err) {
+ checkErrors();
+ }
+ return;
+ } else if (typeof exports === 'object') {
+ try {
+ sortable = require('sortablejs');
+ jq = require('jquery');
+ } catch(err) { }
+ }
+
+ if (typeof jQuery === 'function' || typeof $ === 'function') {
+ jq = jQuery || $;
+ }
+
+ if (typeof Sortable !== 'undefined') {
+ sortable = Sortable;
+ }
+
+ function checkErrors() {
+ if (!jq) {
+ throw new Error('jQuery is required for jquery-sortablejs');
+ }
+
+ if (!sortable) {
+ throw new Error('SortableJS is required for jquery-sortablejs (https://github.com/SortableJS/Sortable)');
+ }
+ }
+ checkErrors();
+ factory(sortable, jq);
+})(function (Sortable, $) {
+ "use strict";
+
+ $.fn.sortable = function (options) {
+ var retVal,
+ args = arguments;
+
+ this.each(function () {
+ var $el = $(this),
+ sortable = $el.data('sortable');
+
+ if (!sortable && (options instanceof Object || !options)) {
+ sortable = new Sortable(this, options);
+ $el.data('sortable', sortable);
+ } else if (sortable) {
+ if (options === 'destroy') {
+ sortable.destroy();
+ $el.removeData('sortable');
+ } else if (options === 'widget') {
+ retVal = sortable;
+ } else if (typeof sortable[options] === 'function') {
+ retVal = sortable[options].apply(sortable, [].slice.call(args, 1));
+ } else if (options in sortable.options) {
+ retVal = sortable.option.apply(sortable, args);
+ }
+ }
+ });
+
+ return (retVal === void 0) ? this : retVal;
+ };
+}); \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 11:10:20 +0000