457 lines
12 KiB
JavaScript
457 lines
12 KiB
JavaScript
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'use strict';
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import $ from 'jquery';
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import { GetYoDigits, ignoreMousedisappear } from './foundation.core.utils';
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import { MediaQuery } from './foundation.util.mediaQuery';
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import { Triggers } from './foundation.util.triggers';
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import { Positionable } from './foundation.positionable';
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/**
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* Tooltip module.
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* @module foundation.tooltip
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* @requires foundation.util.box
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* @requires foundation.util.mediaQuery
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* @requires foundation.util.triggers
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*/
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class Tooltip extends Positionable {
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/**
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* Creates a new instance of a Tooltip.
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* @class
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* @name Tooltip
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* @fires Tooltip#init
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* @param {jQuery} element - jQuery object to attach a tooltip to.
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* @param {Object} options - object to extend the default configuration.
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*/
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_setup(element, options) {
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this.$element = element;
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this.options = $.extend({}, Tooltip.defaults, this.$element.data(), options);
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this.className = 'Tooltip'; // ie9 back compat
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this.isActive = false;
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this.isClick = false;
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// Triggers init is idempotent, just need to make sure it is initialized
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Triggers.init($);
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this._init();
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}
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/**
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* Initializes the tooltip by setting the creating the tip element, adding it's text, setting private variables and setting attributes on the anchor.
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* @private
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*/
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_init() {
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MediaQuery._init();
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var elemId = this.$element.attr('aria-describedby') || GetYoDigits(6, 'tooltip');
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this.options.tipText = this.options.tipText || this.$element.attr('title');
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this.template = this.options.template ? $(this.options.template) : this._buildTemplate(elemId);
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if (this.options.allowHtml) {
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this.template.appendTo(document.body)
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.html(this.options.tipText)
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.hide();
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} else {
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this.template.appendTo(document.body)
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.text(this.options.tipText)
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.hide();
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}
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this.$element.attr({
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'title': '',
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'aria-describedby': elemId,
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'data-yeti-box': elemId,
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'data-toggle': elemId,
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'data-resize': elemId
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}).addClass(this.options.triggerClass);
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super._init();
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this._events();
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}
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_getDefaultPosition() {
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// handle legacy classnames
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var position = this.$element[0].className.match(/\b(top|left|right|bottom)\b/g);
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return position ? position[0] : 'top';
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}
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_getDefaultAlignment() {
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return 'center';
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}
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_getHOffset() {
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if(this.position === 'left' || this.position === 'right') {
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return this.options.hOffset + this.options.tooltipWidth;
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} else {
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return this.options.hOffset
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}
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}
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_getVOffset() {
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if(this.position === 'top' || this.position === 'bottom') {
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return this.options.vOffset + this.options.tooltipHeight;
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} else {
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return this.options.vOffset
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}
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}
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/**
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* builds the tooltip element, adds attributes, and returns the template.
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* @private
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*/
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_buildTemplate(id) {
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var templateClasses = (`${this.options.tooltipClass} ${this.options.templateClasses}`).trim();
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var $template = $('<div></div>').addClass(templateClasses).attr({
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'role': 'tooltip',
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'aria-hidden': true,
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'data-is-active': false,
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'data-is-focus': false,
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'id': id
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});
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return $template;
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}
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/**
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* sets the position class of an element and recursively calls itself until there are no more possible positions to attempt, or the tooltip element is no longer colliding.
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* if the tooltip is larger than the screen width, default to full width - any user selected margin
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* @private
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*/
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_setPosition() {
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super._setPosition(this.$element, this.template);
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}
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/**
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* reveals the tooltip, and fires an event to close any other open tooltips on the page
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* @fires Tooltip#closeme
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* @fires Tooltip#show
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* @function
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*/
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show() {
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if (this.options.showOn !== 'all' && !MediaQuery.is(this.options.showOn)) {
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// console.error('The screen is too small to display this tooltip');
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return false;
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}
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var _this = this;
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this.template.css('visibility', 'hidden').show();
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this._setPosition();
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this.template.removeClass('top bottom left right').addClass(this.position)
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this.template.removeClass('align-top align-bottom align-left align-right align-center').addClass('align-' + this.alignment);
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/**
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* Fires to close all other open tooltips on the page
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* @event Closeme#tooltip
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*/
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this.$element.trigger('closeme.zf.tooltip', this.template.attr('id'));
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this.template.attr({
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'data-is-active': true,
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'aria-hidden': false
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});
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_this.isActive = true;
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// console.log(this.template);
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this.template.stop().hide().css('visibility', '').fadeIn(this.options.fadeInDuration, function() {
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//maybe do stuff?
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});
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/**
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* Fires when the tooltip is shown
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* @event Tooltip#show
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*/
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this.$element.trigger('show.zf.tooltip');
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}
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/**
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* Hides the current tooltip, and resets the positioning class if it was changed due to collision
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* @fires Tooltip#hide
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* @function
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*/
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hide() {
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// console.log('hiding', this.$element.data('yeti-box'));
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var _this = this;
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this.template.stop().attr({
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'aria-hidden': true,
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'data-is-active': false
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}).fadeOut(this.options.fadeOutDuration, function() {
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_this.isActive = false;
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_this.isClick = false;
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});
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/**
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* fires when the tooltip is hidden
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* @event Tooltip#hide
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*/
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this.$element.trigger('hide.zf.tooltip');
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}
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/**
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* adds event listeners for the tooltip and its anchor
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* TODO combine some of the listeners like focus and mouseenter, etc.
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* @private
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*/
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_events() {
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var _this = this;
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var $template = this.template;
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var isFocus = false;
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if (!this.options.disableHover) {
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this.$element
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.on('mouseenter.zf.tooltip', function(e) {
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if (!_this.isActive) {
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_this.timeout = setTimeout(function() {
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_this.show();
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}, _this.options.hoverDelay);
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}
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})
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.on('mouseleave.zf.tooltip', ignoreMousedisappear(function(e) {
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clearTimeout(_this.timeout);
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if (!isFocus || (_this.isClick && !_this.options.clickOpen)) {
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_this.hide();
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}
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}));
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}
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if (this.options.clickOpen) {
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this.$element.on('mousedown.zf.tooltip', function(e) {
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e.stopImmediatePropagation();
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if (_this.isClick) {
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//_this.hide();
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// _this.isClick = false;
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} else {
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_this.isClick = true;
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if ((_this.options.disableHover || !_this.$element.attr('tabindex')) && !_this.isActive) {
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_this.show();
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}
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}
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});
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} else {
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this.$element.on('mousedown.zf.tooltip', function(e) {
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e.stopImmediatePropagation();
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_this.isClick = true;
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});
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}
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if (!this.options.disableForTouch) {
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this.$element
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.on('tap.zf.tooltip touchend.zf.tooltip', function(e) {
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_this.isActive ? _this.hide() : _this.show();
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});
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}
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this.$element.on({
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// 'toggle.zf.trigger': this.toggle.bind(this),
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// 'close.zf.trigger': this.hide.bind(this)
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'close.zf.trigger': this.hide.bind(this)
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});
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this.$element
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.on('focus.zf.tooltip', function(e) {
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isFocus = true;
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if (_this.isClick) {
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// If we're not showing open on clicks, we need to pretend a click-launched focus isn't
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// a real focus, otherwise on hover and come back we get bad behavior
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if(!_this.options.clickOpen) { isFocus = false; }
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return false;
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} else {
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_this.show();
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}
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})
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.on('focusout.zf.tooltip', function(e) {
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isFocus = false;
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_this.isClick = false;
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_this.hide();
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})
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.on('resizeme.zf.trigger', function() {
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if (_this.isActive) {
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_this._setPosition();
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}
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});
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}
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/**
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* adds a toggle method, in addition to the static show() & hide() functions
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* @function
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*/
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toggle() {
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if (this.isActive) {
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this.hide();
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} else {
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this.show();
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}
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}
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/**
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* Destroys an instance of tooltip, removes template element from the view.
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* @function
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*/
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_destroy() {
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this.$element.attr('title', this.template.text())
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.off('.zf.trigger .zf.tooltip')
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.removeClass(this.options.triggerClass)
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.removeClass('top right left bottom')
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.removeAttr('aria-describedby data-disable-hover data-resize data-toggle data-tooltip data-yeti-box');
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this.template.remove();
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}
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}
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Tooltip.defaults = {
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disableForTouch: false,
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/**
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* Time, in ms, before a tooltip should open on hover.
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* @option
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* @type {number}
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* @default 200
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*/
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hoverDelay: 200,
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/**
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* Time, in ms, a tooltip should take to fade into view.
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* @option
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* @type {number}
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* @default 150
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*/
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fadeInDuration: 150,
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/**
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* Time, in ms, a tooltip should take to fade out of view.
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* @option
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* @type {number}
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* @default 150
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*/
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fadeOutDuration: 150,
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/**
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* Disables hover events from opening the tooltip if set to true
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* @option
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* @type {boolean}
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* @default false
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*/
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disableHover: false,
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/**
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* Optional addtional classes to apply to the tooltip template on init.
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* @option
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* @type {string}
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* @default ''
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*/
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templateClasses: '',
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/**
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* Non-optional class added to tooltip templates. Foundation default is 'tooltip'.
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* @option
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* @type {string}
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* @default 'tooltip'
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*/
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tooltipClass: 'tooltip',
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/**
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* Class applied to the tooltip anchor element.
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* @option
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* @type {string}
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* @default 'has-tip'
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*/
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triggerClass: 'has-tip',
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/**
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* Minimum breakpoint size at which to open the tooltip.
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* @option
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* @type {string}
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* @default 'small'
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*/
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showOn: 'small',
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/**
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* Custom template to be used to generate markup for tooltip.
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* @option
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* @type {string}
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* @default ''
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*/
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template: '',
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/**
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* Text displayed in the tooltip template on open.
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* @option
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* @type {string}
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* @default ''
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*/
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tipText: '',
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touchCloseText: 'Tap to close.',
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/**
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* Allows the tooltip to remain open if triggered with a click or touch event.
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* @option
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* @type {boolean}
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* @default true
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*/
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clickOpen: true,
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/**
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* Position of tooltip. Can be left, right, bottom, top, or auto.
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* @option
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* @type {string}
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* @default 'auto'
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*/
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position: 'auto',
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/**
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* Alignment of tooltip relative to anchor. Can be left, right, bottom, top, center, or auto.
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* @option
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* @type {string}
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* @default 'auto'
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*/
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alignment: 'auto',
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/**
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* Allow overlap of container/window. If false, tooltip will first try to
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* position as defined by data-position and data-alignment, but reposition if
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* it would cause an overflow. @option
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* @type {boolean}
|
||
|
|
* @default false
|
||
|
|
*/
|
||
|
|
allowOverlap: false,
|
||
|
|
/**
|
||
|
|
* Allow overlap of only the bottom of the container. This is the most common
|
||
|
|
* behavior for dropdowns, allowing the dropdown to extend the bottom of the
|
||
|
|
* screen but not otherwise influence or break out of the container.
|
||
|
|
* Less common for tooltips.
|
||
|
|
* @option
|
||
|
|
* @type {boolean}
|
||
|
|
* @default false
|
||
|
|
*/
|
||
|
|
allowBottomOverlap: false,
|
||
|
|
/**
|
||
|
|
* Distance, in pixels, the template should push away from the anchor on the Y axis.
|
||
|
|
* @option
|
||
|
|
* @type {number}
|
||
|
|
* @default 0
|
||
|
|
*/
|
||
|
|
vOffset: 0,
|
||
|
|
/**
|
||
|
|
* Distance, in pixels, the template should push away from the anchor on the X axis
|
||
|
|
* @option
|
||
|
|
* @type {number}
|
||
|
|
* @default 0
|
||
|
|
*/
|
||
|
|
hOffset: 0,
|
||
|
|
/**
|
||
|
|
* Distance, in pixels, the template spacing auto-adjust for a vertical tooltip
|
||
|
|
* @option
|
||
|
|
* @type {number}
|
||
|
|
* @default 14
|
||
|
|
*/
|
||
|
|
tooltipHeight: 14,
|
||
|
|
/**
|
||
|
|
* Distance, in pixels, the template spacing auto-adjust for a horizontal tooltip
|
||
|
|
* @option
|
||
|
|
* @type {number}
|
||
|
|
* @default 12
|
||
|
|
*/
|
||
|
|
tooltipWidth: 12,
|
||
|
|
/**
|
||
|
|
* Allow HTML in tooltip. Warning: If you are loading user-generated content into tooltips,
|
||
|
|
* allowing HTML may open yourself up to XSS attacks.
|
||
|
|
* @option
|
||
|
|
* @type {boolean}
|
||
|
|
* @default false
|
||
|
|
*/
|
||
|
|
allowHtml: false
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* TODO utilize resize event trigger
|
||
|
|
*/
|
||
|
|
|
||
|
|
export {Tooltip};
|