1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.0.2): tab.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
import {
defineJQueryPlugin,
getElementFromSelector,
isDisabled,
reflow
} from './util/index'
import EventHandler from './dom/event-handler'
import SelectorEngine from './dom/selector-engine'
import BaseComponent from './base-component'
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const NAME = 'tab'
const DATA_KEY = 'bs.tab'
const EVENT_KEY = `.${DATA_KEY}`
const DATA_API_KEY = '.data-api'
const EVENT_HIDE = `hide${EVENT_KEY}`
const EVENT_HIDDEN = `hidden${EVENT_KEY}`
const EVENT_SHOW = `show${EVENT_KEY}`
const EVENT_SHOWN = `shown${EVENT_KEY}`
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
const CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu'
const CLASS_NAME_ACTIVE = 'active'
const CLASS_NAME_FADE = 'fade'
const CLASS_NAME_SHOW = 'show'
const SELECTOR_DROPDOWN = '.dropdown'
const SELECTOR_NAV_LIST_GROUP = '.nav, .list-group'
const SELECTOR_ACTIVE = '.active'
const SELECTOR_ACTIVE_UL = ':scope > li > .active'
const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="tab"], [data-bs-toggle="pill"], [data-bs-toggle="list"]'
const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'
const SELECTOR_DROPDOWN_ACTIVE_CHILD = ':scope > .dropdown-menu .active'
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Tab extends BaseComponent {
// Getters
static get NAME() {
return NAME
}
// Public
show() {
if ((this._element.parentNode &&
this._element.parentNode.nodeType === Node.ELEMENT_NODE &&
this._element.classList.contains(CLASS_NAME_ACTIVE))) {
return
}
let previous
const target = getElementFromSelector(this._element)
const listElement = this._element.closest(SELECTOR_NAV_LIST_GROUP)
if (listElement) {
const itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE
previous = SelectorEngine.find(itemSelector, listElement)
previous = previous[previous.length - 1]
}
const hideEvent = previous ?
EventHandler.trigger(previous, EVENT_HIDE, {
relatedTarget: this._element
}) :
null
const showEvent = EventHandler.trigger(this._element, EVENT_SHOW, {
relatedTarget: previous
})
if (showEvent.defaultPrevented || (hideEvent !== null && hideEvent.defaultPrevented)) {
return
}
this._activate(this._element, listElement)
const complete = () => {
EventHandler.trigger(previous, EVENT_HIDDEN, {
relatedTarget: this._element
})
EventHandler.trigger(this._element, EVENT_SHOWN, {
relatedTarget: previous
})
}
if (target) {
this._activate(target, target.parentNode, complete)
} else {
complete()
}
}
// Private
_activate(element, container, callback) {
const activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL') ?
SelectorEngine.find(SELECTOR_ACTIVE_UL, container) :
SelectorEngine.children(container, SELECTOR_ACTIVE)
const active = activeElements[0]
const isTransitioning = callback && (active && active.classList.contains(CLASS_NAME_FADE))
const complete = () => this._transitionComplete(element, active, callback)
if (active && isTransitioning) {
active.classList.remove(CLASS_NAME_SHOW)
this._queueCallback(complete, element, true)
} else {
complete()
}
}
_transitionComplete(element, active, callback) {
if (active) {
active.classList.remove(CLASS_NAME_ACTIVE)
const dropdownChild = SelectorEngine.findOne(SELECTOR_DROPDOWN_ACTIVE_CHILD, active.parentNode)
if (dropdownChild) {
dropdownChild.classList.remove(CLASS_NAME_ACTIVE)
}
if (active.getAttribute('role') === 'tab') {
active.setAttribute('aria-selected', false)
}
}
element.classList.add(CLASS_NAME_ACTIVE)
if (element.getAttribute('role') === 'tab') {
element.setAttribute('aria-selected', true)
}
reflow(element)
if (element.classList.contains(CLASS_NAME_FADE)) {
element.classList.add(CLASS_NAME_SHOW)
}
let parent = element.parentNode
if (parent && parent.nodeName === 'LI') {
parent = parent.parentNode
}
if (parent && parent.classList.contains(CLASS_NAME_DROPDOWN_MENU)) {
const dropdownElement = element.closest(SELECTOR_DROPDOWN)
if (dropdownElement) {
SelectorEngine.find(SELECTOR_DROPDOWN_TOGGLE, dropdownElement)
.forEach(dropdown => dropdown.classList.add(CLASS_NAME_ACTIVE))
}
element.setAttribute('aria-expanded', true)
}
if (callback) {
callback()
}
}
// Static
static jQueryInterface(config) {
return this.each(function () {
const data = Tab.getOrCreateInstance(this)
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${config}"`)
}
data[config]()
}
})
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
if (['A', 'AREA'].includes(this.tagName)) {
event.preventDefault()
}
if (isDisabled(this)) {
return
}
const data = Tab.getOrCreateInstance(this)
data.show()
})
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .Tab to jQuery only if jQuery is present
*/
defineJQueryPlugin(Tab)
export default Tab
|
