540 lines
17 KiB
JavaScript
540 lines
17 KiB
JavaScript
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/**!
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* @fileOverview Kickass library to create and place poppers near their reference elements.
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* @version 1.1.5
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* @license
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* Copyright (c) 2016 Federico Zivolo and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('popper.js')) :
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typeof define === 'function' && define.amd ? define(['popper.js'], factory) :
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(global.Tooltip = factory(global.Popper));
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}(this, (function (Popper) { 'use strict';
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Popper = Popper && 'default' in Popper ? Popper['default'] : Popper;
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/**
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* Check if the given variable is a function
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* @method
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* @memberof Popper.Utils
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* @argument {Any} functionToCheck - variable to check
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* @returns {Boolean} answer to: is a function?
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*/
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function isFunction(functionToCheck) {
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var getType = {};
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return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
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}
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var classCallCheck = function (instance, Constructor) {
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if (!(instance instanceof Constructor)) {
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throw new TypeError("Cannot call a class as a function");
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}
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};
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var createClass = function () {
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function defineProperties(target, props) {
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for (var i = 0; i < props.length; i++) {
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var descriptor = props[i];
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descriptor.enumerable = descriptor.enumerable || false;
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descriptor.configurable = true;
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if ("value" in descriptor) descriptor.writable = true;
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Object.defineProperty(target, descriptor.key, descriptor);
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}
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}
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return function (Constructor, protoProps, staticProps) {
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if (protoProps) defineProperties(Constructor.prototype, protoProps);
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if (staticProps) defineProperties(Constructor, staticProps);
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return Constructor;
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};
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}();
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var _extends = Object.assign || function (target) {
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for (var i = 1; i < arguments.length; i++) {
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var source = arguments[i];
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for (var key in source) {
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if (Object.prototype.hasOwnProperty.call(source, key)) {
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target[key] = source[key];
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}
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}
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}
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return target;
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};
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var DEFAULT_OPTIONS = {
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container: false,
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delay: 0,
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html: false,
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placement: 'top',
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title: '',
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template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
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trigger: 'hover focus',
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offset: 0
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};
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var Tooltip = function () {
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/**
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* Create a new Tooltip.js instance
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* @class Tooltip
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* @param {HTMLElement} reference - The DOM node used as reference of the tooltip (it can be a jQuery element).
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* @param {Object} options
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* @param {String} options.placement=bottom
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* Placement of the popper accepted values: `top(-start, -end), right(-start, -end), bottom(-start, -end),
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* left(-start, -end)`
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* @param {HTMLElement|String|false} options.container=false - Append the tooltip to a specific element.
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* @param {Number|Object} options.delay=0
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* Delay showing and hiding the tooltip (ms) - does not apply to manual trigger type.
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* If a number is supplied, delay is applied to both hide/show.
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* Object structure is: `{ show: 500, hide: 100 }`
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* @param {Boolean} options.html=false - Insert HTML into the tooltip. If false, the content will inserted with `innerText`.
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* @param {String|PlacementFunction} options.placement='top' - One of the allowed placements, or a function returning one of them.
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* @param {String} [options.template='<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>']
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* Base HTML to used when creating the tooltip.
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* The tooltip's `title` will be injected into the `.tooltip-inner` or `.tooltip__inner`.
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* `.tooltip-arrow` or `.tooltip__arrow` will become the tooltip's arrow.
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* The outermost wrapper element should have the `.tooltip` class.
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* @param {String|HTMLElement|TitleFunction} options.title='' - Default title value if `title` attribute isn't present.
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* @param {String} [options.trigger='hover focus']
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* How tooltip is triggered - click, hover, focus, manual.
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* You may pass multiple triggers; separate them with a space. `manual` cannot be combined with any other trigger.
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* @param {HTMLElement} options.boundariesElement
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* The element used as boundaries for the tooltip. For more information refer to Popper.js'
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* [boundariesElement docs](https://popper.js.org/popper-documentation.html)
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* @param {Number|String} options.offset=0 - Offset of the tooltip relative to its reference. For more information refer to Popper.js'
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* [offset docs](https://popper.js.org/popper-documentation.html)
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* @param {Object} options.popperOptions={} - Popper options, will be passed directly to popper instance. For more information refer to Popper.js'
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* [options docs](https://popper.js.org/popper-documentation.html)
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* @return {Object} instance - The generated tooltip instance
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*/
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function Tooltip(reference, options) {
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classCallCheck(this, Tooltip);
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_initialiseProps.call(this);
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// apply user options over default ones
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options = _extends({}, DEFAULT_OPTIONS, options);
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reference.jquery && (reference = reference[0]);
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// cache reference and options
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this.reference = reference;
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this.options = options;
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// get events list
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var events = typeof options.trigger === 'string' ? options.trigger.split(' ').filter(function (trigger) {
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return ['click', 'hover', 'focus'].indexOf(trigger) !== -1;
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}) : [];
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// set initial state
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this._isOpen = false;
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// set event listeners
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this._setEventListeners(reference, events, options);
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}
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//
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// Public methods
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//
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/**
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* Reveals an element's tooltip. This is considered a "manual" triggering of the tooltip.
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* Tooltips with zero-length titles are never displayed.
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* @method Tooltip#show
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* @memberof Tooltip
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*/
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/**
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* Hides an element’s tooltip. This is considered a “manual” triggering of the tooltip.
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* @method Tooltip#hide
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* @memberof Tooltip
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*/
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/**
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* Hides and destroys an element’s tooltip.
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* @method Tooltip#dispose
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* @memberof Tooltip
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*/
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/**
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* Toggles an element’s tooltip. This is considered a “manual” triggering of the tooltip.
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* @method Tooltip#toggle
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* @memberof Tooltip
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*/
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//
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// Defaults
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//
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//
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// Private methods
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//
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createClass(Tooltip, [{
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key: '_create',
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/**
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* Creates a new tooltip node
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* @memberof Tooltip
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* @private
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* @param {HTMLElement} reference
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* @param {String} template
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* @param {String|HTMLElement|TitleFunction} title
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* @param {Boolean} allowHtml
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* @return {HTMLelement} tooltipNode
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*/
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value: function _create(reference, template, title, allowHtml) {
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// create tooltip element
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var tooltipGenerator = window.document.createElement('div');
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tooltipGenerator.innerHTML = template.trim();
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var tooltipNode = tooltipGenerator.childNodes[0];
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// add unique ID to our tooltip (needed for accessibility reasons)
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tooltipNode.id = 'tooltip_' + Math.random().toString(36).substr(2, 10);
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// set initial `aria-hidden` state to `false` (it's visible!)
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tooltipNode.setAttribute('aria-hidden', 'false');
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// add title to tooltip
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var titleNode = tooltipGenerator.querySelector(this.innerSelector);
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if (title.nodeType === 1) {
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// if title is a node, append it only if allowHtml is true
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allowHtml && titleNode.appendChild(title);
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} else if (isFunction(title)) {
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// if title is a function, call it and set innerText or innerHtml depending by `allowHtml` value
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var titleText = title.call(reference);
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allowHtml ? titleNode.innerHTML = titleText : titleNode.innerText = titleText;
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} else {
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// if it's just a simple text, set innerText or innerHtml depending by `allowHtml` value
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allowHtml ? titleNode.innerHTML = title : titleNode.innerText = title;
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}
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// return the generated tooltip node
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return tooltipNode;
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}
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}, {
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key: '_show',
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value: function _show(reference, options) {
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// don't show if it's already visible
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if (this._isOpen) {
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return this;
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}
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this._isOpen = true;
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// if the tooltipNode already exists, just show it
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if (this._tooltipNode) {
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this._tooltipNode.style.display = '';
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this._tooltipNode.setAttribute('aria-hidden', 'false');
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this.popperInstance.update();
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return this;
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}
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// get title
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var title = reference.getAttribute('title') || options.title;
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// don't show tooltip if no title is defined
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if (!title) {
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return this;
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}
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// create tooltip node
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var tooltipNode = this._create(reference, options.template, title, options.html);
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// Add `aria-describedby` to our reference element for accessibility reasons
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reference.setAttribute('aria-describedby', tooltipNode.id);
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// append tooltip to container
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var container = this._findContainer(options.container, reference);
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this._append(tooltipNode, container);
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var popperOptions = _extends({}, options.popperOptions, {
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placement: options.placement
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});
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popperOptions.modifiers = _extends({}, popperOptions.modifiers, {
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arrow: {
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element: this.arrowSelector
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}
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});
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if (options.boundariesElement) {
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popperOptions.modifiers.preventOverflow = {
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boundariesElement: options.boundariesElement
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};
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}
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this.popperInstance = new Popper(reference, tooltipNode, popperOptions);
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this._tooltipNode = tooltipNode;
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return this;
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}
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}, {
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key: '_hide',
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value: function _hide() /*reference, options*/{
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// don't hide if it's already hidden
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if (!this._isOpen) {
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return this;
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}
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this._isOpen = false;
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// hide tooltipNode
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this._tooltipNode.style.display = 'none';
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this._tooltipNode.setAttribute('aria-hidden', 'true');
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return this;
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}
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}, {
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key: '_dispose',
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value: function _dispose() {
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var _this = this;
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if (this._tooltipNode) {
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this._hide();
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// destroy instance
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this.popperInstance.destroy();
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// remove event listeners
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this._events.forEach(function (_ref) {
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var func = _ref.func,
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event = _ref.event;
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_this.reference.removeEventListener(event, func);
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});
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this._events = [];
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// destroy tooltipNode
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this._tooltipNode.parentNode.removeChild(this._tooltipNode);
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this._tooltipNode = null;
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}
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return this;
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}
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}, {
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key: '_findContainer',
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value: function _findContainer(container, reference) {
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// if container is a query, get the relative element
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if (typeof container === 'string') {
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container = window.document.querySelector(container);
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} else if (container === false) {
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// if container is `false`, set it to reference parent
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container = reference.parentNode;
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}
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return container;
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}
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/**
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* Append tooltip to container
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* @memberof Tooltip
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* @private
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* @param {HTMLElement} tooltip
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* @param {HTMLElement|String|false} container
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*/
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|||
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|
}, {
|
|||
|
|
key: '_append',
|
|||
|
|
value: function _append(tooltipNode, container) {
|
|||
|
|
container.appendChild(tooltipNode);
|
|||
|
|
}
|
|||
|
|
}, {
|
|||
|
|
key: '_setEventListeners',
|
|||
|
|
value: function _setEventListeners(reference, events, options) {
|
|||
|
|
var _this2 = this;
|
|||
|
|
|
|||
|
|
var directEvents = [];
|
|||
|
|
var oppositeEvents = [];
|
|||
|
|
|
|||
|
|
events.forEach(function (event) {
|
|||
|
|
switch (event) {
|
|||
|
|
case 'hover':
|
|||
|
|
directEvents.push('mouseenter');
|
|||
|
|
oppositeEvents.push('mouseleave');
|
|||
|
|
break;
|
|||
|
|
case 'focus':
|
|||
|
|
directEvents.push('focus');
|
|||
|
|
oppositeEvents.push('blur');
|
|||
|
|
break;
|
|||
|
|
case 'click':
|
|||
|
|
directEvents.push('click');
|
|||
|
|
oppositeEvents.push('click');
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
// schedule show tooltip
|
|||
|
|
directEvents.forEach(function (event) {
|
|||
|
|
var func = function func(evt) {
|
|||
|
|
if (_this2._isOpen === true) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
evt.usedByTooltip = true;
|
|||
|
|
_this2._scheduleShow(reference, options.delay, options, evt);
|
|||
|
|
};
|
|||
|
|
_this2._events.push({ event: event, func: func });
|
|||
|
|
reference.addEventListener(event, func);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
// schedule hide tooltip
|
|||
|
|
oppositeEvents.forEach(function (event) {
|
|||
|
|
var func = function func(evt) {
|
|||
|
|
if (evt.usedByTooltip === true) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
_this2._scheduleHide(reference, options.delay, options, evt);
|
|||
|
|
};
|
|||
|
|
_this2._events.push({ event: event, func: func });
|
|||
|
|
reference.addEventListener(event, func);
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
}, {
|
|||
|
|
key: '_scheduleShow',
|
|||
|
|
value: function _scheduleShow(reference, delay, options /*, evt */) {
|
|||
|
|
var _this3 = this;
|
|||
|
|
|
|||
|
|
// defaults to 0
|
|||
|
|
var computedDelay = delay && delay.show || delay || 0;
|
|||
|
|
window.setTimeout(function () {
|
|||
|
|
return _this3._show(reference, options);
|
|||
|
|
}, computedDelay);
|
|||
|
|
}
|
|||
|
|
}, {
|
|||
|
|
key: '_scheduleHide',
|
|||
|
|
value: function _scheduleHide(reference, delay, options, evt) {
|
|||
|
|
var _this4 = this;
|
|||
|
|
|
|||
|
|
// defaults to 0
|
|||
|
|
var computedDelay = delay && delay.hide || delay || 0;
|
|||
|
|
window.setTimeout(function () {
|
|||
|
|
if (_this4._isOpen === false) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
if (!document.body.contains(_this4._tooltipNode)) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// if we are hiding because of a mouseleave, we must check that the new
|
|||
|
|
// reference isn't the tooltip, because in this case we don't want to hide it
|
|||
|
|
if (evt.type === 'mouseleave') {
|
|||
|
|
var isSet = _this4._setTooltipNodeEvent(evt, reference, delay, options);
|
|||
|
|
|
|||
|
|
// if we set the new event, don't hide the tooltip yet
|
|||
|
|
// the new event will take care to hide it if necessary
|
|||
|
|
if (isSet) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
_this4._hide(reference, options);
|
|||
|
|
}, computedDelay);
|
|||
|
|
}
|
|||
|
|
}]);
|
|||
|
|
return Tooltip;
|
|||
|
|
}();
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Placement function, its context is the Tooltip instance.
|
|||
|
|
* @memberof Tooltip
|
|||
|
|
* @callback PlacementFunction
|
|||
|
|
* @param {HTMLElement} tooltip - tooltip DOM node.
|
|||
|
|
* @param {HTMLElement} reference - reference DOM node.
|
|||
|
|
* @return {String} placement - One of the allowed placement options.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Title function, its context is the Tooltip instance.
|
|||
|
|
* @memberof Tooltip
|
|||
|
|
* @callback TitleFunction
|
|||
|
|
* @return {String} placement - The desired title.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
var _initialiseProps = function _initialiseProps() {
|
|||
|
|
var _this5 = this;
|
|||
|
|
|
|||
|
|
this.show = function () {
|
|||
|
|
return _this5._show(_this5.reference, _this5.options);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
this.hide = function () {
|
|||
|
|
return _this5._hide();
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
this.dispose = function () {
|
|||
|
|
return _this5._dispose();
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
this.toggle = function () {
|
|||
|
|
if (_this5._isOpen) {
|
|||
|
|
return _this5.hide();
|
|||
|
|
} else {
|
|||
|
|
return _this5.show();
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
this.arrowSelector = '.tooltip-arrow, .tooltip__arrow';
|
|||
|
|
this.innerSelector = '.tooltip-inner, .tooltip__inner';
|
|||
|
|
this._events = [];
|
|||
|
|
|
|||
|
|
this._setTooltipNodeEvent = function (evt, reference, delay, options) {
|
|||
|
|
var relatedreference = evt.relatedreference || evt.toElement;
|
|||
|
|
|
|||
|
|
var callback = function callback(evt2) {
|
|||
|
|
var relatedreference2 = evt2.relatedreference || evt2.toElement;
|
|||
|
|
|
|||
|
|
// Remove event listener after call
|
|||
|
|
_this5._tooltipNode.removeEventListener(evt.type, callback);
|
|||
|
|
|
|||
|
|
// If the new reference is not the reference element
|
|||
|
|
if (!reference.contains(relatedreference2)) {
|
|||
|
|
// Schedule to hide tooltip
|
|||
|
|
_this5._scheduleHide(reference, options.delay, options, evt2);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
if (_this5._tooltipNode.contains(relatedreference)) {
|
|||
|
|
// listen to mouseleave on the tooltip element to be able to hide the tooltip
|
|||
|
|
_this5._tooltipNode.addEventListener(evt.type, callback);
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return false;
|
|||
|
|
};
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
return Tooltip;
|
|||
|
|
|
|||
|
|
})));
|
|||
|
|
//# sourceMappingURL=tooltip.js.map
|