|
|
Line 18: |
Line 18: |
| #LOGO { | | #LOGO { |
| position:fixed; | | position:fixed; |
− | top:0px; | + | top:2px; |
| left:70px; | | left:70px; |
| z-index:10; | | z-index:10; |
Line 218: |
Line 218: |
| //调整内页背景图像尺寸至适合屏幕 | | //调整内页背景图像尺寸至适合屏幕 |
| var l = $(window).width(); | | var l = $(window).width(); |
− | $(".neiyebg img").attr("width", l - 16); | + | $(".neiyebg img").attr("width", l); |
− | $(".menu").css("width", l - 16); | + | $(".menu").css("width", l); |
| $(window).resize(function () { | | $(window).resize(function () { |
| var l = $(window).width(); | | var l = $(window).width(); |
Line 235: |
Line 235: |
| </script> | | </script> |
| </div > | | </div > |
− | <div>
| |
− | <p>
| |
− | import $ from 'jquery'
| |
− | import Popper from 'popper.js'
| |
− | import Util from './util'
| |
| | | |
− | /**
| |
− | * --------------------------------------------------------------------------
| |
− | * Bootstrap (v4.1.3): dropdown.js
| |
− | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
| |
− | * --------------------------------------------------------------------------
| |
− | */
| |
− |
| |
− | const Dropdown = (($) => {
| |
− | /**
| |
− | * ------------------------------------------------------------------------
| |
− | * Constants
| |
− | * ------------------------------------------------------------------------
| |
− | */
| |
− |
| |
− | const NAME = 'dropdown'
| |
− | const VERSION = '4.1.3'
| |
− | const DATA_KEY = 'bs.dropdown'
| |
− | const EVENT_KEY = `.${DATA_KEY}`
| |
− | const DATA_API_KEY = '.data-api'
| |
− | const JQUERY_NO_CONFLICT = $.fn[NAME]
| |
− | const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
| |
− | const SPACE_KEYCODE = 32 // KeyboardEvent.which value for space key
| |
− | const TAB_KEYCODE = 9 // KeyboardEvent.which value for tab key
| |
− | const ARROW_UP_KEYCODE = 38 // KeyboardEvent.which value for up arrow key
| |
− | const ARROW_DOWN_KEYCODE = 40 // KeyboardEvent.which value for down arrow key
| |
− | const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)
| |
− | const REGEXP_KEYDOWN = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)
| |
− |
| |
− | const Event = {
| |
− | HIDE : `hide${EVENT_KEY}`,
| |
− | HIDDEN : `hidden${EVENT_KEY}`,
| |
− | SHOW : `show${EVENT_KEY}`,
| |
− | SHOWN : `shown${EVENT_KEY}`,
| |
− | CLICK : `click${EVENT_KEY}`,
| |
− | CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`,
| |
− | KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`,
| |
− | KEYUP_DATA_API : `keyup${EVENT_KEY}${DATA_API_KEY}`
| |
− | }
| |
− |
| |
− | const ClassName = {
| |
− | DISABLED : 'disabled',
| |
− | SHOW : 'show',
| |
− | DROPUP : 'dropup',
| |
− | DROPRIGHT : 'dropright',
| |
− | DROPLEFT : 'dropleft',
| |
− | MENURIGHT : 'dropdown-menu-right',
| |
− | MENULEFT : 'dropdown-menu-left',
| |
− | POSITION_STATIC : 'position-static'
| |
− | }
| |
− |
| |
− | const Selector = {
| |
− | DATA_TOGGLE : '[data-toggle="dropdown"]',
| |
− | FORM_CHILD : '.dropdown form',
| |
− | MENU : '.dropdown-menu',
| |
− | NAVBAR_NAV : '.navbar-nav',
| |
− | VISIBLE_ITEMS : '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'
| |
− | }
| |
− |
| |
− | const AttachmentMap = {
| |
− | TOP : 'top-start',
| |
− | TOPEND : 'top-end',
| |
− | BOTTOM : 'bottom-start',
| |
− | BOTTOMEND : 'bottom-end',
| |
− | RIGHT : 'right-start',
| |
− | RIGHTEND : 'right-end',
| |
− | LEFT : 'left-start',
| |
− | LEFTEND : 'left-end'
| |
− | }
| |
− |
| |
− | const Default = {
| |
− | offset : 0,
| |
− | flip : true,
| |
− | boundary : 'scrollParent',
| |
− | reference : 'toggle',
| |
− | display : 'dynamic'
| |
− | }
| |
− |
| |
− | const DefaultType = {
| |
− | offset : '(number|string|function)',
| |
− | flip : 'boolean',
| |
− | boundary : '(string|element)',
| |
− | reference : '(string|element)',
| |
− | display : 'string'
| |
− | }
| |
− |
| |
− | /**
| |
− | * ------------------------------------------------------------------------
| |
− | * Class Definition
| |
− | * ------------------------------------------------------------------------
| |
− | */
| |
− |
| |
− | class Dropdown {
| |
− | constructor(element, config) {
| |
− | this._element = element
| |
− | this._popper = null
| |
− | this._config = this._getConfig(config)
| |
− | this._menu = this._getMenuElement()
| |
− | this._inNavbar = this._detectNavbar()
| |
− |
| |
− | this._addEventListeners()
| |
− | }
| |
− |
| |
− | // Getters
| |
− |
| |
− | static get VERSION() {
| |
− | return VERSION
| |
− | }
| |
− |
| |
− | static get Default() {
| |
− | return Default
| |
− | }
| |
− |
| |
− | static get DefaultType() {
| |
− | return DefaultType
| |
− | }
| |
− |
| |
− | // Public
| |
− |
| |
− | toggle() {
| |
− | if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
| |
− | return
| |
− | }
| |
− |
| |
− | const parent = Dropdown._getParentFromElement(this._element)
| |
− | const isActive = $(this._menu).hasClass(ClassName.SHOW)
| |
− |
| |
− | Dropdown._clearMenus()
| |
− |
| |
− | if (isActive) {
| |
− | return
| |
− | }
| |
− |
| |
− | const relatedTarget = {
| |
− | relatedTarget: this._element
| |
− | }
| |
− | const showEvent = $.Event(Event.SHOW, relatedTarget)
| |
− |
| |
− | $(parent).trigger(showEvent)
| |
− |
| |
− | if (showEvent.isDefaultPrevented()) {
| |
− | return
| |
− | }
| |
− |
| |
− | // Disable totally Popper.js for Dropdown in Navbar
| |
− | if (!this._inNavbar) {
| |
− | /**
| |
− | * Check for Popper dependency
| |
− | * Popper - https://popper.js.org
| |
− | */
| |
− | if (typeof Popper === 'undefined') {
| |
− | throw new TypeError('Bootstrap dropdown require Popper.js (https://popper.js.org)')
| |
− | }
| |
− |
| |
− | let referenceElement = this._element
| |
− |
| |
− | if (this._config.reference === 'parent') {
| |
− | referenceElement = parent
| |
− | } else if (Util.isElement(this._config.reference)) {
| |
− | referenceElement = this._config.reference
| |
− |
| |
− | // Check if it's jQuery element
| |
− | if (typeof this._config.reference.jquery !== 'undefined') {
| |
− | referenceElement = this._config.reference[0]
| |
− | }
| |
− | }
| |
− |
| |
− | // If boundary is not `scrollParent`, then set position to `static`
| |
− | // to allow the menu to "escape" the scroll parent's boundaries
| |
− | // https://github.com/twbs/bootstrap/issues/24251
| |
− | if (this._config.boundary !== 'scrollParent') {
| |
− | $(parent).addClass(ClassName.POSITION_STATIC)
| |
− | }
| |
− | this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig())
| |
− | }
| |
− |
| |
− | // If this is a touch-enabled device we add extra
| |
− | // empty mouseover listeners to the body's immediate children;
| |
− | // only needed because of broken event delegation on iOS
| |
− | // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
| |
− | if ('ontouchstart' in document.documentElement &&
| |
− | $(parent).closest(Selector.NAVBAR_NAV).length === 0) {
| |
− | $(document.body).children().on('mouseover', null, $.noop)
| |
− | }
| |
− |
| |
− | this._element.focus()
| |
− | this._element.setAttribute('aria-expanded', true)
| |
− |
| |
− | $(this._menu).toggleClass(ClassName.SHOW)
| |
− | $(parent)
| |
− | .toggleClass(ClassName.SHOW)
| |
− | .trigger($.Event(Event.SHOWN, relatedTarget))
| |
− | }
| |
− |
| |
− | dispose() {
| |
− | $.removeData(this._element, DATA_KEY)
| |
− | $(this._element).off(EVENT_KEY)
| |
− | this._element = null
| |
− | this._menu = null
| |
− | if (this._popper !== null) {
| |
− | this._popper.destroy()
| |
− | this._popper = null
| |
− | }
| |
− | }
| |
− |
| |
− | update() {
| |
− | this._inNavbar = this._detectNavbar()
| |
− | if (this._popper !== null) {
| |
− | this._popper.scheduleUpdate()
| |
− | }
| |
− | }
| |
− |
| |
− | // Private
| |
− |
| |
− | _addEventListeners() {
| |
− | $(this._element).on(Event.CLICK, (event) => {
| |
− | event.preventDefault()
| |
− | event.stopPropagation()
| |
− | this.toggle()
| |
− | })
| |
− | }
| |
− |
| |
− | _getConfig(config) {
| |
− | config = {
| |
− | ...this.constructor.Default,
| |
− | ...$(this._element).data(),
| |
− | ...config
| |
− | }
| |
− |
| |
− | Util.typeCheckConfig(
| |
− | NAME,
| |
− | config,
| |
− | this.constructor.DefaultType
| |
− | )
| |
− |
| |
− | return config
| |
− | }
| |
− |
| |
− | _getMenuElement() {
| |
− | if (!this._menu) {
| |
− | const parent = Dropdown._getParentFromElement(this._element)
| |
− | if (parent) {
| |
− | this._menu = parent.querySelector(Selector.MENU)
| |
− | }
| |
− | }
| |
− | return this._menu
| |
− | }
| |
− |
| |
− | _getPlacement() {
| |
− | const $parentDropdown = $(this._element.parentNode)
| |
− | let placement = AttachmentMap.BOTTOM
| |
− |
| |
− | // Handle dropup
| |
− | if ($parentDropdown.hasClass(ClassName.DROPUP)) {
| |
− | placement = AttachmentMap.TOP
| |
− | if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
| |
− | placement = AttachmentMap.TOPEND
| |
− | }
| |
− | } else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) {
| |
− | placement = AttachmentMap.RIGHT
| |
− | } else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) {
| |
− | placement = AttachmentMap.LEFT
| |
− | } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
| |
− | placement = AttachmentMap.BOTTOMEND
| |
− | }
| |
− | return placement
| |
− | }
| |
− |
| |
− | _detectNavbar() {
| |
− | return $(this._element).closest('.navbar').length > 0
| |
− | }
| |
− |
| |
− | _getPopperConfig() {
| |
− | const offsetConf = {}
| |
− | if (typeof this._config.offset === 'function') {
| |
− | offsetConf.fn = (data) => {
| |
− | data.offsets = {
| |
− | ...data.offsets,
| |
− | ...this._config.offset(data.offsets) || {}
| |
− | }
| |
− | return data
| |
− | }
| |
− | } else {
| |
− | offsetConf.offset = this._config.offset
| |
− | }
| |
− |
| |
− | const popperConfig = {
| |
− | placement: this._getPlacement(),
| |
− | modifiers: {
| |
− | offset: offsetConf,
| |
− | flip: {
| |
− | enabled: this._config.flip
| |
− | },
| |
− | preventOverflow: {
| |
− | boundariesElement: this._config.boundary
| |
− | }
| |
− | }
| |
− | }
| |
− |
| |
− | // Disable Popper.js if we have a static display
| |
− | if (this._config.display === 'static') {
| |
− | popperConfig.modifiers.applyStyle = {
| |
− | enabled: false
| |
− | }
| |
− | }
| |
− | return popperConfig
| |
− | }
| |
− |
| |
− | // Static
| |
− |
| |
− | static _jQueryInterface(config) {
| |
− | return this.each(function () {
| |
− | let data = $(this).data(DATA_KEY)
| |
− | const _config = typeof config === 'object' ? config : null
| |
− |
| |
− | if (!data) {
| |
− | data = new Dropdown(this, _config)
| |
− | $(this).data(DATA_KEY, data)
| |
− | }
| |
− |
| |
− | if (typeof config === 'string') {
| |
− | if (typeof data[config] === 'undefined') {
| |
− | throw new TypeError(`No method named "${config}"`)
| |
− | }
| |
− | data[config]()
| |
− | }
| |
− | })
| |
− | }
| |
− |
| |
− | static _clearMenus(event) {
| |
− | if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||
| |
− | event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
| |
− | return
| |
− | }
| |
− |
| |
− | const toggles = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE))
| |
− | for (let i = 0, len = toggles.length; i < len; i++) {
| |
− | const parent = Dropdown._getParentFromElement(toggles[i])
| |
− | const context = $(toggles[i]).data(DATA_KEY)
| |
− | const relatedTarget = {
| |
− | relatedTarget: toggles[i]
| |
− | }
| |
− |
| |
− | if (event && event.type === 'click') {
| |
− | relatedTarget.clickEvent = event
| |
− | }
| |
− |
| |
− | if (!context) {
| |
− | continue
| |
− | }
| |
− |
| |
− | const dropdownMenu = context._menu
| |
− | if (!$(parent).hasClass(ClassName.SHOW)) {
| |
− | continue
| |
− | }
| |
− |
| |
− | if (event && (event.type === 'click' &&
| |
− | /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) &&
| |
− | $.contains(parent, event.target)) {
| |
− | continue
| |
− | }
| |
− |
| |
− | const hideEvent = $.Event(Event.HIDE, relatedTarget)
| |
− | $(parent).trigger(hideEvent)
| |
− | if (hideEvent.isDefaultPrevented()) {
| |
− | continue
| |
− | }
| |
− |
| |
− | // If this is a touch-enabled device we remove the extra
| |
− | // empty mouseover listeners we added for iOS support
| |
− | if ('ontouchstart' in document.documentElement) {
| |
− | $(document.body).children().off('mouseover', null, $.noop)
| |
− | }
| |
− |
| |
− | toggles[i].setAttribute('aria-expanded', 'false')
| |
− |
| |
− | $(dropdownMenu).removeClass(ClassName.SHOW)
| |
− | $(parent)
| |
− | .removeClass(ClassName.SHOW)
| |
− | .trigger($.Event(Event.HIDDEN, relatedTarget))
| |
− | }
| |
− | }
| |
− |
| |
− | static _getParentFromElement(element) {
| |
− | let parent
| |
− | const selector = Util.getSelectorFromElement(element)
| |
− |
| |
− | if (selector) {
| |
− | parent = document.querySelector(selector)
| |
− | }
| |
− |
| |
− | return parent || element.parentNode
| |
− | }
| |
− |
| |
− | // eslint-disable-next-line complexity
| |
− | static _dataApiKeydownHandler(event) {
| |
− | // If not input/textarea:
| |
− | // - And not a key in REGEXP_KEYDOWN => not a dropdown command
| |
− | // If input/textarea:
| |
− | // - If space key => not a dropdown command
| |
− | // - If key is other than escape
| |
− | // - If key is not up or down => not a dropdown command
| |
− | // - If trigger inside the menu => not a dropdown command
| |
− | if (/input|textarea/i.test(event.target.tagName)
| |
− | ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE &&
| |
− | (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE ||
| |
− | $(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
| |
− | return
| |
− | }
| |
− |
| |
− | event.preventDefault()
| |
− | event.stopPropagation()
| |
− |
| |
− | if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
| |
− | return
| |
− | }
| |
− |
| |
− | const parent = Dropdown._getParentFromElement(this)
| |
− | const isActive = $(parent).hasClass(ClassName.SHOW)
| |
− |
| |
− | if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) ||
| |
− | isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
| |
− | if (event.which === ESCAPE_KEYCODE) {
| |
− | const toggle = parent.querySelector(Selector.DATA_TOGGLE)
| |
− | $(toggle).trigger('focus')
| |
− | }
| |
− |
| |
− | $(this).trigger('click')
| |
− | return
| |
− | }
| |
− |
| |
− | const items = [].slice.call(parent.querySelectorAll(Selector.VISIBLE_ITEMS))
| |
− |
| |
− | if (items.length === 0) {
| |
− | return
| |
− | }
| |
− |
| |
− | let index = items.indexOf(event.target)
| |
− |
| |
− | if (event.which === ARROW_UP_KEYCODE && index > 0) { // Up
| |
− | index--
| |
− | }
| |
− |
| |
− | if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // Down
| |
− | index++
| |
− | }
| |
− |
| |
− | if (index < 0) {
| |
− | index = 0
| |
− | }
| |
− |
| |
− | items[index].focus()
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * ------------------------------------------------------------------------
| |
− | * Data Api implementation
| |
− | * ------------------------------------------------------------------------
| |
− | */
| |
− |
| |
− | $(document)
| |
− | .on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler)
| |
− | .on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler)
| |
− | .on(`${Event.CLICK_DATA_API} ${Event.KEYUP_DATA_API}`, Dropdown._clearMenus)
| |
− | .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
| |
− | event.preventDefault()
| |
− | event.stopPropagation()
| |
− | Dropdown._jQueryInterface.call($(this), 'toggle')
| |
− | })
| |
− | .on(Event.CLICK_DATA_API, Selector.FORM_CHILD, (e) => {
| |
− | e.stopPropagation()
| |
− | })
| |
− |
| |
− | /**
| |
− | * ------------------------------------------------------------------------
| |
− | * jQuery
| |
− | * ------------------------------------------------------------------------
| |
− | */
| |
− |
| |
− | $.fn[NAME] = Dropdown._jQueryInterface
| |
− | $.fn[NAME].Constructor = Dropdown
| |
− | $.fn[NAME].noConflict = function () {
| |
− | $.fn[NAME] = JQUERY_NO_CONFLICT
| |
− | return Dropdown._jQueryInterface
| |
− | }
| |
− |
| |
− | return Dropdown
| |
− | })($, Popper)
| |
− |
| |
− | export default Dropdown
| |
− |
| |
− | </p>
| |
− | </div>
| |
| <script> | | <script> |
| $(document).ready(function () { | | $(document).ready(function () { |