1793 lines
54 KiB
JavaScript
1793 lines
54 KiB
JavaScript
/*! tether 1.3.3 */
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(function(root, factory) {
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if (typeof define === 'function' && define.amd) {
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define(factory);
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} else if (typeof exports === 'object') {
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module.exports = factory(require, exports, module);
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} else {
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root.Tether = factory();
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}
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}(this, function(require, exports, module) {
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'use strict';
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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var TetherBase = undefined;
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if (typeof TetherBase === 'undefined') {
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TetherBase = { modules: [] };
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}
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var zeroElement = null;
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// Same as native getBoundingClientRect, except it takes into account parent <frame> offsets
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// if the element lies within a nested document (<frame> or <iframe>-like).
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function getActualBoundingClientRect(node) {
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var boundingRect = node.getBoundingClientRect();
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// The original object returned by getBoundingClientRect is immutable, so we clone it
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// We can't use extend because the properties are not considered part of the object by hasOwnProperty in IE9
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var rect = {};
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for (var k in boundingRect) {
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rect[k] = boundingRect[k];
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}
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if (node.ownerDocument !== document) {
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var _frameElement = node.ownerDocument.defaultView.frameElement;
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if (_frameElement) {
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var frameRect = getActualBoundingClientRect(_frameElement);
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rect.top += frameRect.top;
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rect.bottom += frameRect.top;
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rect.left += frameRect.left;
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rect.right += frameRect.left;
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}
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}
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return rect;
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}
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function getScrollParents(el) {
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// In firefox if the el is inside an iframe with display: none; window.getComputedStyle() will return null;
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// https://bugzilla.mozilla.org/show_bug.cgi?id=548397
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var computedStyle = getComputedStyle(el) || {};
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var position = computedStyle.position;
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var parents = [];
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if (position === 'fixed') {
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return [el];
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}
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var parent = el;
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while ((parent = parent.parentNode) && parent && parent.nodeType === 1) {
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var style = undefined;
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try {
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style = getComputedStyle(parent);
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} catch (err) {}
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if (typeof style === 'undefined' || style === null) {
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parents.push(parent);
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return parents;
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}
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var _style = style;
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var overflow = _style.overflow;
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var overflowX = _style.overflowX;
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var overflowY = _style.overflowY;
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if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) {
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if (position !== 'absolute' || ['relative', 'absolute', 'fixed'].indexOf(style.position) >= 0) {
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parents.push(parent);
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}
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}
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}
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parents.push(el.ownerDocument.body);
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// If the node is within a frame, account for the parent window scroll
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if (el.ownerDocument !== document) {
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parents.push(el.ownerDocument.defaultView);
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}
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return parents;
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}
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var uniqueId = (function () {
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var id = 0;
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return function () {
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return ++id;
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};
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})();
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var zeroPosCache = {};
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var getOrigin = function getOrigin() {
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// getBoundingClientRect is unfortunately too accurate. It introduces a pixel or two of
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// jitter as the user scrolls that messes with our ability to detect if two positions
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// are equivilant or not. We place an element at the top left of the page that will
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// get the same jitter, so we can cancel the two out.
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var node = zeroElement;
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if (!node) {
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node = document.createElement('div');
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node.setAttribute('data-tether-id', uniqueId());
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extend(node.style, {
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top: 0,
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left: 0,
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position: 'absolute'
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});
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document.body.appendChild(node);
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zeroElement = node;
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}
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var id = node.getAttribute('data-tether-id');
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if (typeof zeroPosCache[id] === 'undefined') {
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zeroPosCache[id] = getActualBoundingClientRect(node);
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// Clear the cache when this position call is done
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defer(function () {
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delete zeroPosCache[id];
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});
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}
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return zeroPosCache[id];
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};
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function removeUtilElements() {
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if (zeroElement) {
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document.body.removeChild(zeroElement);
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}
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zeroElement = null;
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};
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function getBounds(el) {
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var doc = undefined;
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if (el === document) {
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doc = document;
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el = document.documentElement;
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} else {
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doc = el.ownerDocument;
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}
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var docEl = doc.documentElement;
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var box = getActualBoundingClientRect(el);
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var origin = getOrigin();
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box.top -= origin.top;
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box.left -= origin.left;
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if (typeof box.width === 'undefined') {
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box.width = document.body.scrollWidth - box.left - box.right;
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}
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if (typeof box.height === 'undefined') {
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box.height = document.body.scrollHeight - box.top - box.bottom;
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}
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box.top = box.top - docEl.clientTop;
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box.left = box.left - docEl.clientLeft;
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box.right = doc.body.clientWidth - box.width - box.left;
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box.bottom = doc.body.clientHeight - box.height - box.top;
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return box;
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}
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function getOffsetParent(el) {
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return el.offsetParent || document.documentElement;
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}
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function getScrollBarSize() {
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var inner = document.createElement('div');
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inner.style.width = '100%';
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inner.style.height = '200px';
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var outer = document.createElement('div');
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extend(outer.style, {
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position: 'absolute',
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top: 0,
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left: 0,
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pointerEvents: 'none',
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visibility: 'hidden',
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width: '200px',
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height: '150px',
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overflow: 'hidden'
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});
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outer.appendChild(inner);
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document.body.appendChild(outer);
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var widthContained = inner.offsetWidth;
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outer.style.overflow = 'scroll';
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var widthScroll = inner.offsetWidth;
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if (widthContained === widthScroll) {
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widthScroll = outer.clientWidth;
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}
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document.body.removeChild(outer);
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var width = widthContained - widthScroll;
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return { width: width, height: width };
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}
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function extend() {
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var out = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
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var args = [];
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Array.prototype.push.apply(args, arguments);
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args.slice(1).forEach(function (obj) {
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if (obj) {
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for (var key in obj) {
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if (({}).hasOwnProperty.call(obj, key)) {
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out[key] = obj[key];
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}
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}
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}
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});
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return out;
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}
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function removeClass(el, name) {
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if (typeof el.classList !== 'undefined') {
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name.split(' ').forEach(function (cls) {
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if (cls.trim()) {
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el.classList.remove(cls);
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}
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});
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} else {
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var regex = new RegExp('(^| )' + name.split(' ').join('|') + '( |$)', 'gi');
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var className = getClassName(el).replace(regex, ' ');
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setClassName(el, className);
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}
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}
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function addClass(el, name) {
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if (typeof el.classList !== 'undefined') {
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name.split(' ').forEach(function (cls) {
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if (cls.trim()) {
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el.classList.add(cls);
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}
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});
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} else {
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removeClass(el, name);
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var cls = getClassName(el) + (' ' + name);
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setClassName(el, cls);
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}
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}
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function hasClass(el, name) {
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if (typeof el.classList !== 'undefined') {
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return el.classList.contains(name);
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}
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var className = getClassName(el);
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return new RegExp('(^| )' + name + '( |$)', 'gi').test(className);
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}
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function getClassName(el) {
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// Can't use just SVGAnimatedString here since nodes within a Frame in IE have
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// completely separately SVGAnimatedString base classes
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if (el.className instanceof el.ownerDocument.defaultView.SVGAnimatedString) {
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return el.className.baseVal;
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}
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return el.className;
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}
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function setClassName(el, className) {
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el.setAttribute('class', className);
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}
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function updateClasses(el, add, all) {
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// Of the set of 'all' classes, we need the 'add' classes, and only the
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// 'add' classes to be set.
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all.forEach(function (cls) {
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if (add.indexOf(cls) === -1 && hasClass(el, cls)) {
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removeClass(el, cls);
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}
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});
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add.forEach(function (cls) {
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if (!hasClass(el, cls)) {
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addClass(el, cls);
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}
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});
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}
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var deferred = [];
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var defer = function defer(fn) {
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deferred.push(fn);
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};
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var flush = function flush() {
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var fn = undefined;
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while (fn = deferred.pop()) {
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fn();
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}
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};
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var Evented = (function () {
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function Evented() {
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_classCallCheck(this, Evented);
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}
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_createClass(Evented, [{
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key: 'on',
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value: function on(event, handler, ctx) {
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var once = arguments.length <= 3 || arguments[3] === undefined ? false : arguments[3];
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if (typeof this.bindings === 'undefined') {
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this.bindings = {};
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}
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if (typeof this.bindings[event] === 'undefined') {
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this.bindings[event] = [];
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}
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this.bindings[event].push({ handler: handler, ctx: ctx, once: once });
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}
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}, {
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key: 'once',
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value: function once(event, handler, ctx) {
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this.on(event, handler, ctx, true);
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}
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}, {
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key: 'off',
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value: function off(event, handler) {
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if (typeof this.bindings === 'undefined' || typeof this.bindings[event] === 'undefined') {
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return;
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}
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if (typeof handler === 'undefined') {
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delete this.bindings[event];
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} else {
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var i = 0;
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while (i < this.bindings[event].length) {
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if (this.bindings[event][i].handler === handler) {
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this.bindings[event].splice(i, 1);
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} else {
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++i;
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}
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}
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}
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}
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}, {
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key: 'trigger',
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value: function trigger(event) {
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if (typeof this.bindings !== 'undefined' && this.bindings[event]) {
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var i = 0;
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for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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args[_key - 1] = arguments[_key];
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}
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while (i < this.bindings[event].length) {
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var _bindings$event$i = this.bindings[event][i];
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var handler = _bindings$event$i.handler;
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var ctx = _bindings$event$i.ctx;
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var once = _bindings$event$i.once;
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var context = ctx;
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if (typeof context === 'undefined') {
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context = this;
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}
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handler.apply(context, args);
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if (once) {
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this.bindings[event].splice(i, 1);
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} else {
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++i;
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}
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}
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}
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}
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}]);
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return Evented;
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})();
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TetherBase.Utils = {
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getActualBoundingClientRect: getActualBoundingClientRect,
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getScrollParents: getScrollParents,
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getBounds: getBounds,
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getOffsetParent: getOffsetParent,
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extend: extend,
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addClass: addClass,
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removeClass: removeClass,
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hasClass: hasClass,
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updateClasses: updateClasses,
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defer: defer,
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flush: flush,
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uniqueId: uniqueId,
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Evented: Evented,
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getScrollBarSize: getScrollBarSize,
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removeUtilElements: removeUtilElements
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};
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/* globals TetherBase, performance */
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'use strict';
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var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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var _get = function get(_x6, _x7, _x8) { var _again = true; _function: while (_again) { var object = _x6, property = _x7, receiver = _x8; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x6 = parent; _x7 = property; _x8 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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if (typeof TetherBase === 'undefined') {
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throw new Error('You must include the utils.js file before tether.js');
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}
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var _TetherBase$Utils = TetherBase.Utils;
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var getScrollParents = _TetherBase$Utils.getScrollParents;
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var getBounds = _TetherBase$Utils.getBounds;
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var getOffsetParent = _TetherBase$Utils.getOffsetParent;
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var extend = _TetherBase$Utils.extend;
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var addClass = _TetherBase$Utils.addClass;
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var removeClass = _TetherBase$Utils.removeClass;
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var updateClasses = _TetherBase$Utils.updateClasses;
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var defer = _TetherBase$Utils.defer;
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var flush = _TetherBase$Utils.flush;
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var getScrollBarSize = _TetherBase$Utils.getScrollBarSize;
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var removeUtilElements = _TetherBase$Utils.removeUtilElements;
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function within(a, b) {
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var diff = arguments.length <= 2 || arguments[2] === undefined ? 1 : arguments[2];
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return a + diff >= b && b >= a - diff;
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}
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var transformKey = (function () {
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if (typeof document === 'undefined') {
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return '';
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}
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var el = document.createElement('div');
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var transforms = ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform'];
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for (var i = 0; i < transforms.length; ++i) {
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var key = transforms[i];
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if (el.style[key] !== undefined) {
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return key;
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}
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}
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})();
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var tethers = [];
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var position = function position() {
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tethers.forEach(function (tether) {
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tether.position(false);
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});
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flush();
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};
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function now() {
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if (typeof performance !== 'undefined' && typeof performance.now !== 'undefined') {
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return performance.now();
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}
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return +new Date();
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}
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(function () {
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var lastCall = null;
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var lastDuration = null;
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var pendingTimeout = null;
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var tick = function tick() {
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if (typeof lastDuration !== 'undefined' && lastDuration > 16) {
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// We voluntarily throttle ourselves if we can't manage 60fps
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lastDuration = Math.min(lastDuration - 16, 250);
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// Just in case this is the last event, remember to position just once more
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pendingTimeout = setTimeout(tick, 250);
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return;
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}
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if (typeof lastCall !== 'undefined' && now() - lastCall < 10) {
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// Some browsers call events a little too frequently, refuse to run more than is reasonable
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return;
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}
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if (pendingTimeout != null) {
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clearTimeout(pendingTimeout);
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pendingTimeout = null;
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}
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lastCall = now();
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position();
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lastDuration = now() - lastCall;
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};
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if (typeof window !== 'undefined' && typeof window.addEventListener !== 'undefined') {
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['resize', 'scroll', 'touchmove'].forEach(function (event) {
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window.addEventListener(event, tick);
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});
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}
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})();
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var MIRROR_LR = {
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center: 'center',
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left: 'right',
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right: 'left'
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};
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|
var MIRROR_TB = {
|
|
middle: 'middle',
|
|
top: 'bottom',
|
|
bottom: 'top'
|
|
};
|
|
|
|
var OFFSET_MAP = {
|
|
top: 0,
|
|
left: 0,
|
|
middle: '50%',
|
|
center: '50%',
|
|
bottom: '100%',
|
|
right: '100%'
|
|
};
|
|
|
|
var autoToFixedAttachment = function autoToFixedAttachment(attachment, relativeToAttachment) {
|
|
var left = attachment.left;
|
|
var top = attachment.top;
|
|
|
|
if (left === 'auto') {
|
|
left = MIRROR_LR[relativeToAttachment.left];
|
|
}
|
|
|
|
if (top === 'auto') {
|
|
top = MIRROR_TB[relativeToAttachment.top];
|
|
}
|
|
|
|
return { left: left, top: top };
|
|
};
|
|
|
|
var attachmentToOffset = function attachmentToOffset(attachment) {
|
|
var left = attachment.left;
|
|
var top = attachment.top;
|
|
|
|
if (typeof OFFSET_MAP[attachment.left] !== 'undefined') {
|
|
left = OFFSET_MAP[attachment.left];
|
|
}
|
|
|
|
if (typeof OFFSET_MAP[attachment.top] !== 'undefined') {
|
|
top = OFFSET_MAP[attachment.top];
|
|
}
|
|
|
|
return { left: left, top: top };
|
|
};
|
|
|
|
function addOffset() {
|
|
var out = { top: 0, left: 0 };
|
|
|
|
for (var _len = arguments.length, offsets = Array(_len), _key = 0; _key < _len; _key++) {
|
|
offsets[_key] = arguments[_key];
|
|
}
|
|
|
|
offsets.forEach(function (_ref) {
|
|
var top = _ref.top;
|
|
var left = _ref.left;
|
|
|
|
if (typeof top === 'string') {
|
|
top = parseFloat(top, 10);
|
|
}
|
|
if (typeof left === 'string') {
|
|
left = parseFloat(left, 10);
|
|
}
|
|
|
|
out.top += top;
|
|
out.left += left;
|
|
});
|
|
|
|
return out;
|
|
}
|
|
|
|
function offsetToPx(offset, size) {
|
|
if (typeof offset.left === 'string' && offset.left.indexOf('%') !== -1) {
|
|
offset.left = parseFloat(offset.left, 10) / 100 * size.width;
|
|
}
|
|
if (typeof offset.top === 'string' && offset.top.indexOf('%') !== -1) {
|
|
offset.top = parseFloat(offset.top, 10) / 100 * size.height;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
var parseOffset = function parseOffset(value) {
|
|
var _value$split = value.split(' ');
|
|
|
|
var _value$split2 = _slicedToArray(_value$split, 2);
|
|
|
|
var top = _value$split2[0];
|
|
var left = _value$split2[1];
|
|
|
|
return { top: top, left: left };
|
|
};
|
|
var parseAttachment = parseOffset;
|
|
|
|
var TetherClass = (function (_Evented) {
|
|
_inherits(TetherClass, _Evented);
|
|
|
|
function TetherClass(options) {
|
|
var _this = this;
|
|
|
|
_classCallCheck(this, TetherClass);
|
|
|
|
_get(Object.getPrototypeOf(TetherClass.prototype), 'constructor', this).call(this);
|
|
this.position = this.position.bind(this);
|
|
|
|
tethers.push(this);
|
|
|
|
this.history = [];
|
|
|
|
this.setOptions(options, false);
|
|
|
|
TetherBase.modules.forEach(function (module) {
|
|
if (typeof module.initialize !== 'undefined') {
|
|
module.initialize.call(_this);
|
|
}
|
|
});
|
|
|
|
this.position();
|
|
}
|
|
|
|
_createClass(TetherClass, [{
|
|
key: 'getClass',
|
|
value: function getClass() {
|
|
var key = arguments.length <= 0 || arguments[0] === undefined ? '' : arguments[0];
|
|
var classes = this.options.classes;
|
|
|
|
if (typeof classes !== 'undefined' && classes[key]) {
|
|
return this.options.classes[key];
|
|
} else if (this.options.classPrefix) {
|
|
return this.options.classPrefix + '-' + key;
|
|
} else {
|
|
return key;
|
|
}
|
|
}
|
|
}, {
|
|
key: 'setOptions',
|
|
value: function setOptions(options) {
|
|
var _this2 = this;
|
|
|
|
var pos = arguments.length <= 1 || arguments[1] === undefined ? true : arguments[1];
|
|
|
|
var defaults = {
|
|
offset: '0 0',
|
|
targetOffset: '0 0',
|
|
targetAttachment: 'auto auto',
|
|
classPrefix: 'tether'
|
|
};
|
|
|
|
this.options = extend(defaults, options);
|
|
|
|
var _options = this.options;
|
|
var element = _options.element;
|
|
var target = _options.target;
|
|
var targetModifier = _options.targetModifier;
|
|
|
|
this.element = element;
|
|
this.target = target;
|
|
this.targetModifier = targetModifier;
|
|
|
|
if (this.target === 'viewport') {
|
|
this.target = document.body;
|
|
this.targetModifier = 'visible';
|
|
} else if (this.target === 'scroll-handle') {
|
|
this.target = document.body;
|
|
this.targetModifier = 'scroll-handle';
|
|
}
|
|
|
|
['element', 'target'].forEach(function (key) {
|
|
if (typeof _this2[key] === 'undefined') {
|
|
throw new Error('Tether Error: Both element and target must be defined');
|
|
}
|
|
|
|
if (typeof _this2[key].jquery !== 'undefined') {
|
|
_this2[key] = _this2[key][0];
|
|
} else if (typeof _this2[key] === 'string') {
|
|
_this2[key] = document.querySelector(_this2[key]);
|
|
}
|
|
});
|
|
|
|
addClass(this.element, this.getClass('element'));
|
|
if (!(this.options.addTargetClasses === false)) {
|
|
addClass(this.target, this.getClass('target'));
|
|
}
|
|
|
|
if (!this.options.attachment) {
|
|
throw new Error('Tether Error: You must provide an attachment');
|
|
}
|
|
|
|
this.targetAttachment = parseAttachment(this.options.targetAttachment);
|
|
this.attachment = parseAttachment(this.options.attachment);
|
|
this.offset = parseOffset(this.options.offset);
|
|
this.targetOffset = parseOffset(this.options.targetOffset);
|
|
|
|
if (typeof this.scrollParents !== 'undefined') {
|
|
this.disable();
|
|
}
|
|
|
|
if (this.targetModifier === 'scroll-handle') {
|
|
this.scrollParents = [this.target];
|
|
} else {
|
|
this.scrollParents = getScrollParents(this.target);
|
|
}
|
|
|
|
if (!(this.options.enabled === false)) {
|
|
this.enable(pos);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'getTargetBounds',
|
|
value: function getTargetBounds() {
|
|
if (typeof this.targetModifier !== 'undefined') {
|
|
if (this.targetModifier === 'visible') {
|
|
if (this.target === document.body) {
|
|
return { top: pageYOffset, left: pageXOffset, height: innerHeight, width: innerWidth };
|
|
} else {
|
|
var bounds = getBounds(this.target);
|
|
|
|
var out = {
|
|
height: bounds.height,
|
|
width: bounds.width,
|
|
top: bounds.top,
|
|
left: bounds.left
|
|
};
|
|
|
|
out.height = Math.min(out.height, bounds.height - (pageYOffset - bounds.top));
|
|
out.height = Math.min(out.height, bounds.height - (bounds.top + bounds.height - (pageYOffset + innerHeight)));
|
|
out.height = Math.min(innerHeight, out.height);
|
|
out.height -= 2;
|
|
|
|
out.width = Math.min(out.width, bounds.width - (pageXOffset - bounds.left));
|
|
out.width = Math.min(out.width, bounds.width - (bounds.left + bounds.width - (pageXOffset + innerWidth)));
|
|
out.width = Math.min(innerWidth, out.width);
|
|
out.width -= 2;
|
|
|
|
if (out.top < pageYOffset) {
|
|
out.top = pageYOffset;
|
|
}
|
|
if (out.left < pageXOffset) {
|
|
out.left = pageXOffset;
|
|
}
|
|
|
|
return out;
|
|
}
|
|
} else if (this.targetModifier === 'scroll-handle') {
|
|
var bounds = undefined;
|
|
var target = this.target;
|
|
if (target === document.body) {
|
|
target = document.documentElement;
|
|
|
|
bounds = {
|
|
left: pageXOffset,
|
|
top: pageYOffset,
|
|
height: innerHeight,
|
|
width: innerWidth
|
|
};
|
|
} else {
|
|
bounds = getBounds(target);
|
|
}
|
|
|
|
var style = getComputedStyle(target);
|
|
|
|
var hasBottomScroll = target.scrollWidth > target.clientWidth || [style.overflow, style.overflowX].indexOf('scroll') >= 0 || this.target !== document.body;
|
|
|
|
var scrollBottom = 0;
|
|
if (hasBottomScroll) {
|
|
scrollBottom = 15;
|
|
}
|
|
|
|
var height = bounds.height - parseFloat(style.borderTopWidth) - parseFloat(style.borderBottomWidth) - scrollBottom;
|
|
|
|
var out = {
|
|
width: 15,
|
|
height: height * 0.975 * (height / target.scrollHeight),
|
|
left: bounds.left + bounds.width - parseFloat(style.borderLeftWidth) - 15
|
|
};
|
|
|
|
var fitAdj = 0;
|
|
if (height < 408 && this.target === document.body) {
|
|
fitAdj = -0.00011 * Math.pow(height, 2) - 0.00727 * height + 22.58;
|
|
}
|
|
|
|
if (this.target !== document.body) {
|
|
out.height = Math.max(out.height, 24);
|
|
}
|
|
|
|
var scrollPercentage = this.target.scrollTop / (target.scrollHeight - height);
|
|
out.top = scrollPercentage * (height - out.height - fitAdj) + bounds.top + parseFloat(style.borderTopWidth);
|
|
|
|
if (this.target === document.body) {
|
|
out.height = Math.max(out.height, 24);
|
|
}
|
|
|
|
return out;
|
|
}
|
|
} else {
|
|
return getBounds(this.target);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'clearCache',
|
|
value: function clearCache() {
|
|
this._cache = {};
|
|
}
|
|
}, {
|
|
key: 'cache',
|
|
value: function cache(k, getter) {
|
|
// More than one module will often need the same DOM info, so
|
|
// we keep a cache which is cleared on each position call
|
|
if (typeof this._cache === 'undefined') {
|
|
this._cache = {};
|
|
}
|
|
|
|
if (typeof this._cache[k] === 'undefined') {
|
|
this._cache[k] = getter.call(this);
|
|
}
|
|
|
|
return this._cache[k];
|
|
}
|
|
}, {
|
|
key: 'enable',
|
|
value: function enable() {
|
|
var _this3 = this;
|
|
|
|
var pos = arguments.length <= 0 || arguments[0] === undefined ? true : arguments[0];
|
|
|
|
if (!(this.options.addTargetClasses === false)) {
|
|
addClass(this.target, this.getClass('enabled'));
|
|
}
|
|
addClass(this.element, this.getClass('enabled'));
|
|
this.enabled = true;
|
|
|
|
this.scrollParents.forEach(function (parent) {
|
|
if (parent !== _this3.target.ownerDocument) {
|
|
parent.addEventListener('scroll', _this3.position);
|
|
}
|
|
});
|
|
|
|
if (pos) {
|
|
this.position();
|
|
}
|
|
}
|
|
}, {
|
|
key: 'disable',
|
|
value: function disable() {
|
|
var _this4 = this;
|
|
|
|
removeClass(this.target, this.getClass('enabled'));
|
|
removeClass(this.element, this.getClass('enabled'));
|
|
this.enabled = false;
|
|
|
|
if (typeof this.scrollParents !== 'undefined') {
|
|
this.scrollParents.forEach(function (parent) {
|
|
parent.removeEventListener('scroll', _this4.position);
|
|
});
|
|
}
|
|
}
|
|
}, {
|
|
key: 'destroy',
|
|
value: function destroy() {
|
|
var _this5 = this;
|
|
|
|
this.disable();
|
|
|
|
tethers.forEach(function (tether, i) {
|
|
if (tether === _this5) {
|
|
tethers.splice(i, 1);
|
|
}
|
|
});
|
|
|
|
// Remove any elements we were using for convenience from the DOM
|
|
if (tethers.length === 0) {
|
|
removeUtilElements();
|
|
}
|
|
}
|
|
}, {
|
|
key: 'updateAttachClasses',
|
|
value: function updateAttachClasses(elementAttach, targetAttach) {
|
|
var _this6 = this;
|
|
|
|
elementAttach = elementAttach || this.attachment;
|
|
targetAttach = targetAttach || this.targetAttachment;
|
|
var sides = ['left', 'top', 'bottom', 'right', 'middle', 'center'];
|
|
|
|
if (typeof this._addAttachClasses !== 'undefined' && this._addAttachClasses.length) {
|
|
// updateAttachClasses can be called more than once in a position call, so
|
|
// we need to clean up after ourselves such that when the last defer gets
|
|
// ran it doesn't add any extra classes from previous calls.
|
|
this._addAttachClasses.splice(0, this._addAttachClasses.length);
|
|
}
|
|
|
|
if (typeof this._addAttachClasses === 'undefined') {
|
|
this._addAttachClasses = [];
|
|
}
|
|
var add = this._addAttachClasses;
|
|
|
|
if (elementAttach.top) {
|
|
add.push(this.getClass('element-attached') + '-' + elementAttach.top);
|
|
}
|
|
if (elementAttach.left) {
|
|
add.push(this.getClass('element-attached') + '-' + elementAttach.left);
|
|
}
|
|
if (targetAttach.top) {
|
|
add.push(this.getClass('target-attached') + '-' + targetAttach.top);
|
|
}
|
|
if (targetAttach.left) {
|
|
add.push(this.getClass('target-attached') + '-' + targetAttach.left);
|
|
}
|
|
|
|
var all = [];
|
|
sides.forEach(function (side) {
|
|
all.push(_this6.getClass('element-attached') + '-' + side);
|
|
all.push(_this6.getClass('target-attached') + '-' + side);
|
|
});
|
|
|
|
defer(function () {
|
|
if (!(typeof _this6._addAttachClasses !== 'undefined')) {
|
|
return;
|
|
}
|
|
|
|
updateClasses(_this6.element, _this6._addAttachClasses, all);
|
|
if (!(_this6.options.addTargetClasses === false)) {
|
|
updateClasses(_this6.target, _this6._addAttachClasses, all);
|
|
}
|
|
|
|
delete _this6._addAttachClasses;
|
|
});
|
|
}
|
|
}, {
|
|
key: 'position',
|
|
value: function position() {
|
|
var _this7 = this;
|
|
|
|
var flushChanges = arguments.length <= 0 || arguments[0] === undefined ? true : arguments[0];
|
|
|
|
// flushChanges commits the changes immediately, leave true unless you are positioning multiple
|
|
// tethers (in which case call Tether.Utils.flush yourself when you're done)
|
|
|
|
if (!this.enabled) {
|
|
return;
|
|
}
|
|
|
|
this.clearCache();
|
|
|
|
// Turn 'auto' attachments into the appropriate corner or edge
|
|
var targetAttachment = autoToFixedAttachment(this.targetAttachment, this.attachment);
|
|
|
|
this.updateAttachClasses(this.attachment, targetAttachment);
|
|
|
|
var elementPos = this.cache('element-bounds', function () {
|
|
return getBounds(_this7.element);
|
|
});
|
|
|
|
var width = elementPos.width;
|
|
var height = elementPos.height;
|
|
|
|
if (width === 0 && height === 0 && typeof this.lastSize !== 'undefined') {
|
|
var _lastSize = this.lastSize;
|
|
|
|
// We cache the height and width to make it possible to position elements that are
|
|
// getting hidden.
|
|
width = _lastSize.width;
|
|
height = _lastSize.height;
|
|
} else {
|
|
this.lastSize = { width: width, height: height };
|
|
}
|
|
|
|
var targetPos = this.cache('target-bounds', function () {
|
|
return _this7.getTargetBounds();
|
|
});
|
|
var targetSize = targetPos;
|
|
|
|
// Get an actual px offset from the attachment
|
|
var offset = offsetToPx(attachmentToOffset(this.attachment), { width: width, height: height });
|
|
var targetOffset = offsetToPx(attachmentToOffset(targetAttachment), targetSize);
|
|
|
|
var manualOffset = offsetToPx(this.offset, { width: width, height: height });
|
|
var manualTargetOffset = offsetToPx(this.targetOffset, targetSize);
|
|
|
|
// Add the manually provided offset
|
|
offset = addOffset(offset, manualOffset);
|
|
targetOffset = addOffset(targetOffset, manualTargetOffset);
|
|
|
|
// It's now our goal to make (element position + offset) == (target position + target offset)
|
|
var left = targetPos.left + targetOffset.left - offset.left;
|
|
var top = targetPos.top + targetOffset.top - offset.top;
|
|
|
|
for (var i = 0; i < TetherBase.modules.length; ++i) {
|
|
var _module2 = TetherBase.modules[i];
|
|
var ret = _module2.position.call(this, {
|
|
left: left,
|
|
top: top,
|
|
targetAttachment: targetAttachment,
|
|
targetPos: targetPos,
|
|
elementPos: elementPos,
|
|
offset: offset,
|
|
targetOffset: targetOffset,
|
|
manualOffset: manualOffset,
|
|
manualTargetOffset: manualTargetOffset,
|
|
scrollbarSize: scrollbarSize,
|
|
attachment: this.attachment
|
|
});
|
|
|
|
if (ret === false) {
|
|
return false;
|
|
} else if (typeof ret === 'undefined' || typeof ret !== 'object') {
|
|
continue;
|
|
} else {
|
|
top = ret.top;
|
|
left = ret.left;
|
|
}
|
|
}
|
|
|
|
// We describe the position three different ways to give the optimizer
|
|
// a chance to decide the best possible way to position the element
|
|
// with the fewest repaints.
|
|
var next = {
|
|
// It's position relative to the page (absolute positioning when
|
|
// the element is a child of the body)
|
|
page: {
|
|
top: top,
|
|
left: left
|
|
},
|
|
|
|
// It's position relative to the viewport (fixed positioning)
|
|
viewport: {
|
|
top: top - pageYOffset,
|
|
bottom: pageYOffset - top - height + innerHeight,
|
|
left: left - pageXOffset,
|
|
right: pageXOffset - left - width + innerWidth
|
|
}
|
|
};
|
|
|
|
var doc = this.target.ownerDocument;
|
|
var win = doc.defaultView;
|
|
|
|
var scrollbarSize = undefined;
|
|
if (doc.body.scrollWidth > win.innerWidth) {
|
|
scrollbarSize = this.cache('scrollbar-size', getScrollBarSize);
|
|
next.viewport.bottom -= scrollbarSize.height;
|
|
}
|
|
|
|
if (doc.body.scrollHeight > win.innerHeight) {
|
|
scrollbarSize = this.cache('scrollbar-size', getScrollBarSize);
|
|
next.viewport.right -= scrollbarSize.width;
|
|
}
|
|
|
|
if (['', 'static'].indexOf(doc.body.style.position) === -1 || ['', 'static'].indexOf(doc.body.parentElement.style.position) === -1) {
|
|
// Absolute positioning in the body will be relative to the page, not the 'initial containing block'
|
|
next.page.bottom = doc.body.scrollHeight - top - height;
|
|
next.page.right = doc.body.scrollWidth - left - width;
|
|
}
|
|
|
|
if (typeof this.options.optimizations !== 'undefined' && this.options.optimizations.moveElement !== false && !(typeof this.targetModifier !== 'undefined')) {
|
|
(function () {
|
|
var offsetParent = _this7.cache('target-offsetparent', function () {
|
|
return getOffsetParent(_this7.target);
|
|
});
|
|
var offsetPosition = _this7.cache('target-offsetparent-bounds', function () {
|
|
return getBounds(offsetParent);
|
|
});
|
|
var offsetParentStyle = getComputedStyle(offsetParent);
|
|
var offsetParentSize = offsetPosition;
|
|
|
|
var offsetBorder = {};
|
|
['Top', 'Left', 'Bottom', 'Right'].forEach(function (side) {
|
|
offsetBorder[side.toLowerCase()] = parseFloat(offsetParentStyle['border' + side + 'Width']);
|
|
});
|
|
|
|
offsetPosition.right = doc.body.scrollWidth - offsetPosition.left - offsetParentSize.width + offsetBorder.right;
|
|
offsetPosition.bottom = doc.body.scrollHeight - offsetPosition.top - offsetParentSize.height + offsetBorder.bottom;
|
|
|
|
if (next.page.top >= offsetPosition.top + offsetBorder.top && next.page.bottom >= offsetPosition.bottom) {
|
|
if (next.page.left >= offsetPosition.left + offsetBorder.left && next.page.right >= offsetPosition.right) {
|
|
// We're within the visible part of the target's scroll parent
|
|
var scrollTop = offsetParent.scrollTop;
|
|
var scrollLeft = offsetParent.scrollLeft;
|
|
|
|
// It's position relative to the target's offset parent (absolute positioning when
|
|
// the element is moved to be a child of the target's offset parent).
|
|
next.offset = {
|
|
top: next.page.top - offsetPosition.top + scrollTop - offsetBorder.top,
|
|
left: next.page.left - offsetPosition.left + scrollLeft - offsetBorder.left
|
|
};
|
|
}
|
|
}
|
|
})();
|
|
}
|
|
|
|
// We could also travel up the DOM and try each containing context, rather than only
|
|
// looking at the body, but we're gonna get diminishing returns.
|
|
|
|
this.move(next);
|
|
|
|
this.history.unshift(next);
|
|
|
|
if (this.history.length > 3) {
|
|
this.history.pop();
|
|
}
|
|
|
|
if (flushChanges) {
|
|
flush();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// THE ISSUE
|
|
}, {
|
|
key: 'move',
|
|
value: function move(pos) {
|
|
var _this8 = this;
|
|
|
|
if (!(typeof this.element.parentNode !== 'undefined')) {
|
|
return;
|
|
}
|
|
|
|
var same = {};
|
|
|
|
for (var type in pos) {
|
|
same[type] = {};
|
|
|
|
for (var key in pos[type]) {
|
|
var found = false;
|
|
|
|
for (var i = 0; i < this.history.length; ++i) {
|
|
var point = this.history[i];
|
|
if (typeof point[type] !== 'undefined' && !within(point[type][key], pos[type][key])) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
same[type][key] = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
var css = { top: '', left: '', right: '', bottom: '' };
|
|
|
|
var transcribe = function transcribe(_same, _pos) {
|
|
var hasOptimizations = typeof _this8.options.optimizations !== 'undefined';
|
|
var gpu = hasOptimizations ? _this8.options.optimizations.gpu : null;
|
|
if (gpu !== false) {
|
|
var yPos = undefined,
|
|
xPos = undefined;
|
|
if (_same.top) {
|
|
css.top = 0;
|
|
yPos = _pos.top;
|
|
} else {
|
|
css.bottom = 0;
|
|
yPos = -_pos.bottom;
|
|
}
|
|
|
|
if (_same.left) {
|
|
css.left = 0;
|
|
xPos = _pos.left;
|
|
} else {
|
|
css.right = 0;
|
|
xPos = -_pos.right;
|
|
}
|
|
|
|
css[transformKey] = 'translateX(' + Math.round(xPos) + 'px) translateY(' + Math.round(yPos) + 'px)';
|
|
|
|
if (transformKey !== 'msTransform') {
|
|
// The Z transform will keep this in the GPU (faster, and prevents artifacts),
|
|
// but IE9 doesn't support 3d transforms and will choke.
|
|
css[transformKey] += " translateZ(0)";
|
|
}
|
|
} else {
|
|
if (_same.top) {
|
|
css.top = _pos.top + 'px';
|
|
} else {
|
|
css.bottom = _pos.bottom + 'px';
|
|
}
|
|
|
|
if (_same.left) {
|
|
css.left = _pos.left + 'px';
|
|
} else {
|
|
css.right = _pos.right + 'px';
|
|
}
|
|
}
|
|
};
|
|
|
|
var moved = false;
|
|
if ((same.page.top || same.page.bottom) && (same.page.left || same.page.right)) {
|
|
css.position = 'absolute';
|
|
transcribe(same.page, pos.page);
|
|
} else if ((same.viewport.top || same.viewport.bottom) && (same.viewport.left || same.viewport.right)) {
|
|
css.position = 'fixed';
|
|
transcribe(same.viewport, pos.viewport);
|
|
} else if (typeof same.offset !== 'undefined' && same.offset.top && same.offset.left) {
|
|
(function () {
|
|
css.position = 'absolute';
|
|
var offsetParent = _this8.cache('target-offsetparent', function () {
|
|
return getOffsetParent(_this8.target);
|
|
});
|
|
|
|
if (getOffsetParent(_this8.element) !== offsetParent) {
|
|
defer(function () {
|
|
_this8.element.parentNode.removeChild(_this8.element);
|
|
offsetParent.appendChild(_this8.element);
|
|
});
|
|
}
|
|
|
|
transcribe(same.offset, pos.offset);
|
|
moved = true;
|
|
})();
|
|
} else {
|
|
css.position = 'absolute';
|
|
transcribe({ top: true, left: true }, pos.page);
|
|
}
|
|
|
|
if (!moved) {
|
|
var offsetParentIsBody = true;
|
|
var currentNode = this.element.parentNode;
|
|
while (currentNode && currentNode.nodeType === 1 && currentNode.tagName !== 'BODY') {
|
|
if (getComputedStyle(currentNode).position !== 'static') {
|
|
offsetParentIsBody = false;
|
|
break;
|
|
}
|
|
|
|
currentNode = currentNode.parentNode;
|
|
}
|
|
|
|
if (!offsetParentIsBody) {
|
|
this.element.parentNode.removeChild(this.element);
|
|
this.element.ownerDocument.body.appendChild(this.element);
|
|
}
|
|
}
|
|
|
|
// Any css change will trigger a repaint, so let's avoid one if nothing changed
|
|
var writeCSS = {};
|
|
var write = false;
|
|
for (var key in css) {
|
|
var val = css[key];
|
|
var elVal = this.element.style[key];
|
|
|
|
if (elVal !== val) {
|
|
write = true;
|
|
writeCSS[key] = val;
|
|
}
|
|
}
|
|
|
|
if (write) {
|
|
defer(function () {
|
|
extend(_this8.element.style, writeCSS);
|
|
});
|
|
}
|
|
}
|
|
}]);
|
|
|
|
return TetherClass;
|
|
})(Evented);
|
|
|
|
TetherClass.modules = [];
|
|
|
|
TetherBase.position = position;
|
|
|
|
var Tether = extend(TetherClass, TetherBase);
|
|
/* globals TetherBase */
|
|
|
|
'use strict';
|
|
|
|
var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
|
|
|
|
var _TetherBase$Utils = TetherBase.Utils;
|
|
var getBounds = _TetherBase$Utils.getBounds;
|
|
var extend = _TetherBase$Utils.extend;
|
|
var updateClasses = _TetherBase$Utils.updateClasses;
|
|
var defer = _TetherBase$Utils.defer;
|
|
|
|
var BOUNDS_FORMAT = ['left', 'top', 'right', 'bottom'];
|
|
|
|
function getBoundingRect(tether, to) {
|
|
if (to === 'scrollParent') {
|
|
to = tether.scrollParents[0];
|
|
} else if (to === 'window') {
|
|
to = [pageXOffset, pageYOffset, innerWidth + pageXOffset, innerHeight + pageYOffset];
|
|
}
|
|
|
|
if (to === document) {
|
|
to = to.documentElement;
|
|
}
|
|
|
|
if (typeof to.nodeType !== 'undefined') {
|
|
(function () {
|
|
var node = to;
|
|
var size = getBounds(to);
|
|
var pos = size;
|
|
var style = getComputedStyle(to);
|
|
|
|
to = [pos.left, pos.top, size.width + pos.left, size.height + pos.top];
|
|
|
|
// Account any parent Frames scroll offset
|
|
if (node.ownerDocument !== document) {
|
|
var win = node.ownerDocument.defaultView;
|
|
to[0] += win.pageXOffset;
|
|
to[1] += win.pageYOffset;
|
|
to[2] += win.pageXOffset;
|
|
to[3] += win.pageYOffset;
|
|
}
|
|
|
|
BOUNDS_FORMAT.forEach(function (side, i) {
|
|
side = side[0].toUpperCase() + side.substr(1);
|
|
if (side === 'Top' || side === 'Left') {
|
|
to[i] += parseFloat(style['border' + side + 'Width']);
|
|
} else {
|
|
to[i] -= parseFloat(style['border' + side + 'Width']);
|
|
}
|
|
});
|
|
})();
|
|
}
|
|
|
|
return to;
|
|
}
|
|
|
|
TetherBase.modules.push({
|
|
position: function position(_ref) {
|
|
var _this = this;
|
|
|
|
var top = _ref.top;
|
|
var left = _ref.left;
|
|
var targetAttachment = _ref.targetAttachment;
|
|
|
|
if (!this.options.constraints) {
|
|
return true;
|
|
}
|
|
|
|
var _cache = this.cache('element-bounds', function () {
|
|
return getBounds(_this.element);
|
|
});
|
|
|
|
var height = _cache.height;
|
|
var width = _cache.width;
|
|
|
|
if (width === 0 && height === 0 && typeof this.lastSize !== 'undefined') {
|
|
var _lastSize = this.lastSize;
|
|
|
|
// Handle the item getting hidden as a result of our positioning without glitching
|
|
// the classes in and out
|
|
width = _lastSize.width;
|
|
height = _lastSize.height;
|
|
}
|
|
|
|
var targetSize = this.cache('target-bounds', function () {
|
|
return _this.getTargetBounds();
|
|
});
|
|
|
|
var targetHeight = targetSize.height;
|
|
var targetWidth = targetSize.width;
|
|
|
|
var allClasses = [this.getClass('pinned'), this.getClass('out-of-bounds')];
|
|
|
|
this.options.constraints.forEach(function (constraint) {
|
|
var outOfBoundsClass = constraint.outOfBoundsClass;
|
|
var pinnedClass = constraint.pinnedClass;
|
|
|
|
if (outOfBoundsClass) {
|
|
allClasses.push(outOfBoundsClass);
|
|
}
|
|
if (pinnedClass) {
|
|
allClasses.push(pinnedClass);
|
|
}
|
|
});
|
|
|
|
allClasses.forEach(function (cls) {
|
|
['left', 'top', 'right', 'bottom'].forEach(function (side) {
|
|
allClasses.push(cls + '-' + side);
|
|
});
|
|
});
|
|
|
|
var addClasses = [];
|
|
|
|
var tAttachment = extend({}, targetAttachment);
|
|
var eAttachment = extend({}, this.attachment);
|
|
|
|
this.options.constraints.forEach(function (constraint) {
|
|
var to = constraint.to;
|
|
var attachment = constraint.attachment;
|
|
var pin = constraint.pin;
|
|
|
|
if (typeof attachment === 'undefined') {
|
|
attachment = '';
|
|
}
|
|
|
|
var changeAttachX = undefined,
|
|
changeAttachY = undefined;
|
|
if (attachment.indexOf(' ') >= 0) {
|
|
var _attachment$split = attachment.split(' ');
|
|
|
|
var _attachment$split2 = _slicedToArray(_attachment$split, 2);
|
|
|
|
changeAttachY = _attachment$split2[0];
|
|
changeAttachX = _attachment$split2[1];
|
|
} else {
|
|
changeAttachX = changeAttachY = attachment;
|
|
}
|
|
|
|
var bounds = getBoundingRect(_this, to);
|
|
|
|
if (changeAttachY === 'target' || changeAttachY === 'both') {
|
|
if (top < bounds[1] && tAttachment.top === 'top') {
|
|
top += targetHeight;
|
|
tAttachment.top = 'bottom';
|
|
}
|
|
|
|
if (top + height > bounds[3] && tAttachment.top === 'bottom') {
|
|
top -= targetHeight;
|
|
tAttachment.top = 'top';
|
|
}
|
|
}
|
|
|
|
if (changeAttachY === 'together') {
|
|
if (tAttachment.top === 'top') {
|
|
if (eAttachment.top === 'bottom' && top < bounds[1]) {
|
|
top += targetHeight;
|
|
tAttachment.top = 'bottom';
|
|
|
|
top += height;
|
|
eAttachment.top = 'top';
|
|
} else if (eAttachment.top === 'top' && top + height > bounds[3] && top - (height - targetHeight) >= bounds[1]) {
|
|
top -= height - targetHeight;
|
|
tAttachment.top = 'bottom';
|
|
|
|
eAttachment.top = 'bottom';
|
|
}
|
|
}
|
|
|
|
if (tAttachment.top === 'bottom') {
|
|
if (eAttachment.top === 'top' && top + height > bounds[3]) {
|
|
top -= targetHeight;
|
|
tAttachment.top = 'top';
|
|
|
|
top -= height;
|
|
eAttachment.top = 'bottom';
|
|
} else if (eAttachment.top === 'bottom' && top < bounds[1] && top + (height * 2 - targetHeight) <= bounds[3]) {
|
|
top += height - targetHeight;
|
|
tAttachment.top = 'top';
|
|
|
|
eAttachment.top = 'top';
|
|
}
|
|
}
|
|
|
|
if (tAttachment.top === 'middle') {
|
|
if (top + height > bounds[3] && eAttachment.top === 'top') {
|
|
top -= height;
|
|
eAttachment.top = 'bottom';
|
|
} else if (top < bounds[1] && eAttachment.top === 'bottom') {
|
|
top += height;
|
|
eAttachment.top = 'top';
|
|
}
|
|
}
|
|
}
|
|
|
|
if (changeAttachX === 'target' || changeAttachX === 'both') {
|
|
if (left < bounds[0] && tAttachment.left === 'left') {
|
|
left += targetWidth;
|
|
tAttachment.left = 'right';
|
|
}
|
|
|
|
if (left + width > bounds[2] && tAttachment.left === 'right') {
|
|
left -= targetWidth;
|
|
tAttachment.left = 'left';
|
|
}
|
|
}
|
|
|
|
if (changeAttachX === 'together') {
|
|
if (left < bounds[0] && tAttachment.left === 'left') {
|
|
if (eAttachment.left === 'right') {
|
|
left += targetWidth;
|
|
tAttachment.left = 'right';
|
|
|
|
left += width;
|
|
eAttachment.left = 'left';
|
|
} else if (eAttachment.left === 'left') {
|
|
left += targetWidth;
|
|
tAttachment.left = 'right';
|
|
|
|
left -= width;
|
|
eAttachment.left = 'right';
|
|
}
|
|
} else if (left + width > bounds[2] && tAttachment.left === 'right') {
|
|
if (eAttachment.left === 'left') {
|
|
left -= targetWidth;
|
|
tAttachment.left = 'left';
|
|
|
|
left -= width;
|
|
eAttachment.left = 'right';
|
|
} else if (eAttachment.left === 'right') {
|
|
left -= targetWidth;
|
|
tAttachment.left = 'left';
|
|
|
|
left += width;
|
|
eAttachment.left = 'left';
|
|
}
|
|
} else if (tAttachment.left === 'center') {
|
|
if (left + width > bounds[2] && eAttachment.left === 'left') {
|
|
left -= width;
|
|
eAttachment.left = 'right';
|
|
} else if (left < bounds[0] && eAttachment.left === 'right') {
|
|
left += width;
|
|
eAttachment.left = 'left';
|
|
}
|
|
}
|
|
}
|
|
|
|
if (changeAttachY === 'element' || changeAttachY === 'both') {
|
|
if (top < bounds[1] && eAttachment.top === 'bottom') {
|
|
top += height;
|
|
eAttachment.top = 'top';
|
|
}
|
|
|
|
if (top + height > bounds[3] && eAttachment.top === 'top') {
|
|
top -= height;
|
|
eAttachment.top = 'bottom';
|
|
}
|
|
}
|
|
|
|
if (changeAttachX === 'element' || changeAttachX === 'both') {
|
|
if (left < bounds[0]) {
|
|
if (eAttachment.left === 'right') {
|
|
left += width;
|
|
eAttachment.left = 'left';
|
|
} else if (eAttachment.left === 'center') {
|
|
left += width / 2;
|
|
eAttachment.left = 'left';
|
|
}
|
|
}
|
|
|
|
if (left + width > bounds[2]) {
|
|
if (eAttachment.left === 'left') {
|
|
left -= width;
|
|
eAttachment.left = 'right';
|
|
} else if (eAttachment.left === 'center') {
|
|
left -= width / 2;
|
|
eAttachment.left = 'right';
|
|
}
|
|
}
|
|
}
|
|
|
|
if (typeof pin === 'string') {
|
|
pin = pin.split(',').map(function (p) {
|
|
return p.trim();
|
|
});
|
|
} else if (pin === true) {
|
|
pin = ['top', 'left', 'right', 'bottom'];
|
|
}
|
|
|
|
pin = pin || [];
|
|
|
|
var pinned = [];
|
|
var oob = [];
|
|
|
|
if (top < bounds[1]) {
|
|
if (pin.indexOf('top') >= 0) {
|
|
top = bounds[1];
|
|
pinned.push('top');
|
|
} else {
|
|
oob.push('top');
|
|
}
|
|
}
|
|
|
|
if (top + height > bounds[3]) {
|
|
if (pin.indexOf('bottom') >= 0) {
|
|
top = bounds[3] - height;
|
|
pinned.push('bottom');
|
|
} else {
|
|
oob.push('bottom');
|
|
}
|
|
}
|
|
|
|
if (left < bounds[0]) {
|
|
if (pin.indexOf('left') >= 0) {
|
|
left = bounds[0];
|
|
pinned.push('left');
|
|
} else {
|
|
oob.push('left');
|
|
}
|
|
}
|
|
|
|
if (left + width > bounds[2]) {
|
|
if (pin.indexOf('right') >= 0) {
|
|
left = bounds[2] - width;
|
|
pinned.push('right');
|
|
} else {
|
|
oob.push('right');
|
|
}
|
|
}
|
|
|
|
if (pinned.length) {
|
|
(function () {
|
|
var pinnedClass = undefined;
|
|
if (typeof _this.options.pinnedClass !== 'undefined') {
|
|
pinnedClass = _this.options.pinnedClass;
|
|
} else {
|
|
pinnedClass = _this.getClass('pinned');
|
|
}
|
|
|
|
addClasses.push(pinnedClass);
|
|
pinned.forEach(function (side) {
|
|
addClasses.push(pinnedClass + '-' + side);
|
|
});
|
|
})();
|
|
}
|
|
|
|
if (oob.length) {
|
|
(function () {
|
|
var oobClass = undefined;
|
|
if (typeof _this.options.outOfBoundsClass !== 'undefined') {
|
|
oobClass = _this.options.outOfBoundsClass;
|
|
} else {
|
|
oobClass = _this.getClass('out-of-bounds');
|
|
}
|
|
|
|
addClasses.push(oobClass);
|
|
oob.forEach(function (side) {
|
|
addClasses.push(oobClass + '-' + side);
|
|
});
|
|
})();
|
|
}
|
|
|
|
if (pinned.indexOf('left') >= 0 || pinned.indexOf('right') >= 0) {
|
|
eAttachment.left = tAttachment.left = false;
|
|
}
|
|
if (pinned.indexOf('top') >= 0 || pinned.indexOf('bottom') >= 0) {
|
|
eAttachment.top = tAttachment.top = false;
|
|
}
|
|
|
|
if (tAttachment.top !== targetAttachment.top || tAttachment.left !== targetAttachment.left || eAttachment.top !== _this.attachment.top || eAttachment.left !== _this.attachment.left) {
|
|
_this.updateAttachClasses(eAttachment, tAttachment);
|
|
_this.trigger('update', {
|
|
attachment: eAttachment,
|
|
targetAttachment: tAttachment
|
|
});
|
|
}
|
|
});
|
|
|
|
defer(function () {
|
|
if (!(_this.options.addTargetClasses === false)) {
|
|
updateClasses(_this.target, addClasses, allClasses);
|
|
}
|
|
updateClasses(_this.element, addClasses, allClasses);
|
|
});
|
|
|
|
return { top: top, left: left };
|
|
}
|
|
});
|
|
/* globals TetherBase */
|
|
|
|
'use strict';
|
|
|
|
var _TetherBase$Utils = TetherBase.Utils;
|
|
var getBounds = _TetherBase$Utils.getBounds;
|
|
var updateClasses = _TetherBase$Utils.updateClasses;
|
|
var defer = _TetherBase$Utils.defer;
|
|
|
|
TetherBase.modules.push({
|
|
position: function position(_ref) {
|
|
var _this = this;
|
|
|
|
var top = _ref.top;
|
|
var left = _ref.left;
|
|
|
|
var _cache = this.cache('element-bounds', function () {
|
|
return getBounds(_this.element);
|
|
});
|
|
|
|
var height = _cache.height;
|
|
var width = _cache.width;
|
|
|
|
var targetPos = this.getTargetBounds();
|
|
|
|
var bottom = top + height;
|
|
var right = left + width;
|
|
|
|
var abutted = [];
|
|
if (top <= targetPos.bottom && bottom >= targetPos.top) {
|
|
['left', 'right'].forEach(function (side) {
|
|
var targetPosSide = targetPos[side];
|
|
if (targetPosSide === left || targetPosSide === right) {
|
|
abutted.push(side);
|
|
}
|
|
});
|
|
}
|
|
|
|
if (left <= targetPos.right && right >= targetPos.left) {
|
|
['top', 'bottom'].forEach(function (side) {
|
|
var targetPosSide = targetPos[side];
|
|
if (targetPosSide === top || targetPosSide === bottom) {
|
|
abutted.push(side);
|
|
}
|
|
});
|
|
}
|
|
|
|
var allClasses = [];
|
|
var addClasses = [];
|
|
|
|
var sides = ['left', 'top', 'right', 'bottom'];
|
|
allClasses.push(this.getClass('abutted'));
|
|
sides.forEach(function (side) {
|
|
allClasses.push(_this.getClass('abutted') + '-' + side);
|
|
});
|
|
|
|
if (abutted.length) {
|
|
addClasses.push(this.getClass('abutted'));
|
|
}
|
|
|
|
abutted.forEach(function (side) {
|
|
addClasses.push(_this.getClass('abutted') + '-' + side);
|
|
});
|
|
|
|
defer(function () {
|
|
if (!(_this.options.addTargetClasses === false)) {
|
|
updateClasses(_this.target, addClasses, allClasses);
|
|
}
|
|
updateClasses(_this.element, addClasses, allClasses);
|
|
});
|
|
|
|
return true;
|
|
}
|
|
});
|
|
/* globals TetherBase */
|
|
|
|
'use strict';
|
|
|
|
var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
|
|
|
|
TetherBase.modules.push({
|
|
position: function position(_ref) {
|
|
var top = _ref.top;
|
|
var left = _ref.left;
|
|
|
|
if (!this.options.shift) {
|
|
return;
|
|
}
|
|
|
|
var shift = this.options.shift;
|
|
if (typeof this.options.shift === 'function') {
|
|
shift = this.options.shift.call(this, { top: top, left: left });
|
|
}
|
|
|
|
var shiftTop = undefined,
|
|
shiftLeft = undefined;
|
|
if (typeof shift === 'string') {
|
|
shift = shift.split(' ');
|
|
shift[1] = shift[1] || shift[0];
|
|
|
|
var _shift = shift;
|
|
|
|
var _shift2 = _slicedToArray(_shift, 2);
|
|
|
|
shiftTop = _shift2[0];
|
|
shiftLeft = _shift2[1];
|
|
|
|
shiftTop = parseFloat(shiftTop, 10);
|
|
shiftLeft = parseFloat(shiftLeft, 10);
|
|
} else {
|
|
shiftTop = shift.top;
|
|
shiftLeft = shift.left;
|
|
}
|
|
|
|
top += shiftTop;
|
|
left += shiftLeft;
|
|
|
|
return { top: top, left: left };
|
|
}
|
|
});
|
|
return Tether;
|
|
|
|
}));
|