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Bardi Harborow authoredc2616fb7
/* global Tether */import Util from './util'/** * -------------------------------------------------------------------------- * Bootstrap (v4.0.0-alpha.5): tooltip.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) * -------------------------------------------------------------------------- */const Tooltip = (($) => { /** * Check for Tether dependency * Tether - http://tether.io/ */ if (window.Tether === undefined) { throw new Error('Bootstrap tooltips require Tether (http://tether.io/)') } /** * ------------------------------------------------------------------------ * Constants * ------------------------------------------------------------------------ */ const NAME = 'tooltip' const VERSION = '4.0.0-alpha.5' const DATA_KEY = 'bs.tooltip' const EVENT_KEY = `.${DATA_KEY}` const JQUERY_NO_CONFLICT = $.fn[NAME] const TRANSITION_DURATION = 150 const CLASS_PREFIX = 'bs-tether' const Default = { animation : true, template : '<div class="tooltip" role="tooltip">' + '<div class="tooltip-inner"></div></div>', trigger : 'hover focus', title : '', delay : 0, html : false, selector : false, placement : 'top', offset : '0 0', constraints : [] } const DefaultType = { animation : 'boolean', template : 'string', title : '(string|element|function)', trigger : 'string', delay : '(number|object)', html : 'boolean', selector : '(string|boolean)', placement : '(string|function)', offset : 'string', constraints : 'array' } const AttachmentMap = { TOP : 'bottom center', RIGHT : 'middle left', BOTTOM : 'top center', LEFT : 'middle right' }7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
const HoverState = {
ACTIVE : 'active',
OUT : 'out'
}
const Event = {
HIDE : `hide${EVENT_KEY}`,
HIDDEN : `hidden${EVENT_KEY}`,
SHOW : `show${EVENT_KEY}`,
SHOWN : `shown${EVENT_KEY}`,
INSERTED : `inserted${EVENT_KEY}`,
CLICK : `click${EVENT_KEY}`,
FOCUSIN : `focusin${EVENT_KEY}`,
FOCUSOUT : `focusout${EVENT_KEY}`,
MOUSEENTER : `mouseenter${EVENT_KEY}`,
MOUSELEAVE : `mouseleave${EVENT_KEY}`
}
const ClassName = {
FADE : 'fade',
ACTIVE : 'active'
}
const Selector = {
TOOLTIP : '.tooltip',
TOOLTIP_INNER : '.tooltip-inner'
}
const TetherClass = {
element : false,
enabled : false
}
const Trigger = {
HOVER : 'hover',
FOCUS : 'focus',
CLICK : 'click',
MANUAL : 'manual'
}
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Tooltip {
constructor(element, config) {
// private
this._isEnabled = true
this._timeout = 0
this._hoverState = ''
this._activeTrigger = {}
this._tether = null
// protected
this.element = element
this.config = this._getConfig(config)
this.tip = null
this._setListeners()
}
// getters
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static get VERSION() {
return VERSION
}
static get Default() {
return Default
}
static get NAME() {
return NAME
}
static get DATA_KEY() {
return DATA_KEY
}
static get Event() {
return Event
}
static get EVENT_KEY() {
return EVENT_KEY
}
static get DefaultType() {
return DefaultType
}
// public
enable() {
this._isEnabled = true
}
disable() {
this._isEnabled = false
}
toggleEnabled() {
this._isEnabled = !this._isEnabled
}
toggle(event) {
if (event) {
const dataKey = this.constructor.DATA_KEY
let context = $(event.currentTarget).data(dataKey)
if (!context) {
context = new this.constructor(
event.currentTarget,
this._getDelegateConfig()
)
$(event.currentTarget).data(dataKey, context)
}
context._activeTrigger.click = !context._activeTrigger.click
if (context._isWithActiveTrigger()) {
context._enter(null, context)
} else {
context._leave(null, context)
}
} else {
if ($(this.getTipElement()).hasClass(ClassName.ACTIVE)) {
this._leave(null, this)
return
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}
this._enter(null, this)
}
}
dispose() {
clearTimeout(this._timeout)
this.cleanupTether()
$.removeData(this.element, this.constructor.DATA_KEY)
$(this.element).off(this.constructor.EVENT_KEY)
if (this.tip) {
$(this.tip).remove()
}
this._isEnabled = null
this._timeout = null
this._hoverState = null
this._activeTrigger = null
this._tether = null
this.element = null
this.config = null
this.tip = null
}
show() {
if ($(this.element).css('display') === 'none') {
throw new Error('Please use show on visible elements')
}
const showEvent = $.Event(this.constructor.Event.SHOW)
if (this.isWithContent() && this._isEnabled) {
$(this.element).trigger(showEvent)
const isInTheDom = $.contains(
this.element.ownerDocument.documentElement,
this.element
)
if (showEvent.isDefaultPrevented() || !isInTheDom) {
return
}
const tip = this.getTipElement()
const tipId = Util.getUID(this.constructor.NAME)
tip.setAttribute('id', tipId)
this.element.setAttribute('aria-describedby', tipId)
this.setContent()
if (this.config.animation) {
$(tip).addClass(ClassName.FADE)
}
const placement = typeof this.config.placement === 'function' ?
this.config.placement.call(this, tip, this.element) :
this.config.placement
const attachment = this._getAttachment(placement)
$(tip)
.data(this.constructor.DATA_KEY, this)
.appendTo(document.body)
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$(this.element).trigger(this.constructor.Event.INSERTED)
this._tether = new Tether({
attachment,
element : tip,
target : this.element,
classes : TetherClass,
classPrefix : CLASS_PREFIX,
offset : this.config.offset,
constraints : this.config.constraints,
addTargetClasses: false
})
Util.reflow(tip)
this._tether.position()
$(tip).addClass(ClassName.ACTIVE)
const complete = () => {
const prevHoverState = this._hoverState
this._hoverState = null
$(this.element).trigger(this.constructor.Event.SHOWN)
if (prevHoverState === HoverState.OUT) {
this._leave(null, this)
}
}
if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
$(this.tip)
.one(Util.TRANSITION_END, complete)
.emulateTransitionEnd(Tooltip._TRANSITION_DURATION)
return
}
complete()
}
}
hide(callback) {
const tip = this.getTipElement()
const hideEvent = $.Event(this.constructor.Event.HIDE)
const complete = () => {
if (this._hoverState !== HoverState.ACTIVE && tip.parentNode) {
tip.parentNode.removeChild(tip)
}
this.element.removeAttribute('aria-describedby')
$(this.element).trigger(this.constructor.Event.HIDDEN)
this.cleanupTether()
if (callback) {
callback()
}
}
$(this.element).trigger(hideEvent)
if (hideEvent.isDefaultPrevented()) {
return
}
$(tip).removeClass(ClassName.ACTIVE)
if (Util.supportsTransitionEnd() &&
$(this.tip).hasClass(ClassName.FADE)) {
$(tip)
.one(Util.TRANSITION_END, complete)
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.emulateTransitionEnd(TRANSITION_DURATION)
} else {
complete()
}
this._hoverState = ''
}
// protected
isWithContent() {
return Boolean(this.getTitle())
}
getTipElement() {
return this.tip = this.tip || $(this.config.template)[0]
}
setContent() {
const $tip = $(this.getTipElement())
this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle())
$tip
.removeClass(ClassName.FADE)
.removeClass(ClassName.ACTIVE)
this.cleanupTether()
}
setElementContent($element, content) {
const html = this.config.html
if (typeof content === 'object' && (content.nodeType || content.jquery)) {
// content is a DOM node or a jQuery
if (html) {
if (!$(content).parent().is($element)) {
$element.empty().append(content)
}
} else {
$element.text($(content).text())
}
} else {
$element[html ? 'html' : 'text'](content)
}
}
getTitle() {
let title = this.element.getAttribute('data-original-title')
if (!title) {
title = typeof this.config.title === 'function' ?
this.config.title.call(this.element) :
this.config.title
}
return title
}
cleanupTether() {
if (this._tether) {
this._tether.destroy()
}
}
// private
_getAttachment(placement) {
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return AttachmentMap[placement.toUpperCase()]
}
_setListeners() {
const triggers = this.config.trigger.split(' ')
triggers.forEach((trigger) => {
if (trigger === 'click') {
$(this.element).on(
this.constructor.Event.CLICK,
this.config.selector,
(event) => this.toggle(event)
)
} else if (trigger !== Trigger.MANUAL) {
const eventIn = trigger === Trigger.HOVER ?
this.constructor.Event.MOUSEENTER :
this.constructor.Event.FOCUSIN
const eventOut = trigger === Trigger.HOVER ?
this.constructor.Event.MOUSELEAVE :
this.constructor.Event.FOCUSOUT
$(this.element)
.on(
eventIn,
this.config.selector,
(event) => this._enter(event)
)
.on(
eventOut,
this.config.selector,
(event) => this._leave(event)
)
}
})
if (this.config.selector) {
this.config = $.extend({}, this.config, {
trigger : 'manual',
selector : ''
})
} else {
this._fixTitle()
}
}
_fixTitle() {
const titleType = typeof this.element.getAttribute('data-original-title')
if (this.element.getAttribute('title') ||
titleType !== 'string') {
this.element.setAttribute(
'data-original-title',
this.element.getAttribute('title') || ''
)
this.element.setAttribute('title', '')
}
}
_enter(event, context) {
const dataKey = this.constructor.DATA_KEY
context = context || $(event.currentTarget).data(dataKey)
if (!context) {
context = new this.constructor(
event.currentTarget,
this._getDelegateConfig()
)
$(event.currentTarget).data(dataKey, context)
}
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if (event) {
context._activeTrigger[
event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER
] = true
}
if ($(context.getTipElement()).hasClass(ClassName.ACTIVE) ||
context._hoverState === HoverState.ACTIVE) {
context._hoverState = HoverState.ACTIVE
return
}
clearTimeout(context._timeout)
context._hoverState = HoverState.ACTIVE
if (!context.config.delay || !context.config.delay.show) {
context.show()
return
}
context._timeout = setTimeout(() => {
if (context._hoverState === HoverState.ACTIVE) {
context.show()
}
}, context.config.delay.show)
}
_leave(event, context) {
const dataKey = this.constructor.DATA_KEY
context = context || $(event.currentTarget).data(dataKey)
if (!context) {
context = new this.constructor(
event.currentTarget,
this._getDelegateConfig()
)
$(event.currentTarget).data(dataKey, context)
}
if (event) {
context._activeTrigger[
event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER
] = false
}
if (context._isWithActiveTrigger()) {
return
}
clearTimeout(context._timeout)
context._hoverState = HoverState.OUT
if (!context.config.delay || !context.config.delay.hide) {
context.hide()
return
}
context._timeout = setTimeout(() => {
if (context._hoverState === HoverState.OUT) {
context.hide()
}
}, context.config.delay.hide)
}
_isWithActiveTrigger() {
for (const trigger in this._activeTrigger) {
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if (this._activeTrigger[trigger]) {
return true
}
}
return false
}
_getConfig(config) {
config = $.extend(
{},
this.constructor.Default,
$(this.element).data(),
config
)
if (config.delay && typeof config.delay === 'number') {
config.delay = {
show : config.delay,
hide : config.delay
}
}
Util.typeCheckConfig(
NAME,
config,
this.constructor.DefaultType
)
return config
}
_getDelegateConfig() {
const config = {}
if (this.config) {
for (const key in this.config) {
if (this.constructor.Default[key] !== this.config[key]) {
config[key] = this.config[key]
}
}
}
return config
}
// static
static _jQueryInterface(config) {
return this.each(function () {
let data = $(this).data(DATA_KEY)
const _config = typeof config === 'object' && config
if (!data && /dispose|hide/.test(config)) {
return
}
if (!data) {
data = new Tooltip(this, _config)
$(this).data(DATA_KEY, data)
}
if (typeof config === 'string') {
if (data[config] === undefined) {
throw new Error(`No method named "${config}"`)
}
data[config]()
}
})
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}
}
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
*/
$.fn[NAME] = Tooltip._jQueryInterface
$.fn[NAME].Constructor = Tooltip
$.fn[NAME].noConflict = function () {
$.fn[NAME] = JQUERY_NO_CONFLICT
return Tooltip._jQueryInterface
}
return Tooltip
})(jQuery)
export default Tooltip