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AdminLTE/build/js/IFrame.js

357 lines
10 KiB

/**
* --------------------------------------------
* AdminLTE IFrame.js
* License MIT
* --------------------------------------------
*/
import $ from 'jquery'
/**
* Constants
* ====================================================
*/
const NAME = 'IFrame'
const DATA_KEY = 'lte.iframe'
const JQUERY_NO_CONFLICT = $.fn[NAME]
const SELECTOR_DATA_TOGGLE = '[data-widget="iframe"]'
const SELECTOR_DATA_TOGGLE_CLOSE = '[data-widget="iframe-close"]'
const SELECTOR_DATA_TOGGLE_SCROLL_LEFT = '[data-widget="iframe-scrollleft"]'
const SELECTOR_DATA_TOGGLE_SCROLL_RIGHT = '[data-widget="iframe-scrollright"]'
const SELECTOR_DATA_TOGGLE_FULLSCREEN = '[data-widget="iframe-fullscreen"]'
const SELECTOR_CONTENT_WRAPPER = '.content-wrapper'
const SELECTOR_CONTENT_IFRAME = `${SELECTOR_CONTENT_WRAPPER} iframe`
const SELECTOR_TAB_NAV = `${SELECTOR_DATA_TOGGLE}.iframe-mode .nav`
const SELECTOR_TAB_NAVBAR_NAV = `${SELECTOR_DATA_TOGGLE}.iframe-mode .navbar-nav`
const SELECTOR_TAB_NAVBAR_NAV_ITEM = `${SELECTOR_TAB_NAVBAR_NAV} .nav-item`
const SELECTOR_TAB_CONTENT = `${SELECTOR_DATA_TOGGLE}.iframe-mode .tab-content`
const SELECTOR_TAB_EMPTY = `${SELECTOR_TAB_CONTENT} .tab-empty`
const SELECTOR_TAB_LOADING = `${SELECTOR_TAB_CONTENT} .tab-loading`
const SELECTOR_SIDEBAR_MENU_ITEM = '.main-sidebar .nav-item > a.nav-link'
const SELECTOR_HEADER_MENU_ITEM = '.main-header .nav-item a.nav-link'
const SELECTOR_HEADER_DROPDOWN_ITEM = '.main-header a.dropdown-item'
const CLASS_NAME_IFRAME_MODE = 'iframe-mode'
const CLASS_NAME_FULLSCREEN_MODE = 'iframe-mode-fullscreen'
const Default = {
onTabClick(item) {
return item
},
onTabChanged(item) {
return item
},
onTabCreated(item) {
return item
},
autoIframeMode: true,
autoItemActive: true,
autoShowNewTab: true,
loadingScreen: true,
useNavbarItems: true,
scrollOffset: 40,
scrollBehaviorSwap: false,
iconMaximize: 'fa-expand',
iconMinimize: 'fa-compress'
}
/**
* Class Definition
* ====================================================
*/
class IFrame {
constructor(element, config) {
this._config = config
this._element = element
this._init()
}
// Public
onTabClick(item) {
this._config.onTabClick(item)
}
onTabChanged(item) {
this._config.onTabChanged(item)
}
onTabCreated(item) {
this._config.onTabCreated(item)
}
createTab(title, link, uniqueName, autoOpen) {
const tabId = `panel-${uniqueName}-${Math.floor(Math.random() * 1000)}`
const navId = `tab-${uniqueName}-${Math.floor(Math.random() * 1000)}`
const newNavItem = `<li class="nav-item" role="presentation"><a class="nav-link" data-toggle="row" id="${navId}" href="#${tabId}" role="tab" aria-controls="${tabId}" aria-selected="false">${title}</a></li>`
$(SELECTOR_TAB_NAVBAR_NAV).append(escape(newNavItem))
const newTabItem = `<div class="tab-pane fade" id="${tabId}" role="tabpanel" aria-labelledby="${navId}"><iframe src="${link}"></iframe></div>`
$(SELECTOR_TAB_CONTENT).append(escape(newTabItem))
if (autoOpen) {
if (this._config.loadingScreen) {
const $loadingScreen = $(SELECTOR_TAB_LOADING)
$loadingScreen.fadeIn()
$(`${tabId} iframe`).ready(() => {
if (typeof this._config.loadingScreen === 'number') {
this.switchTab(`#${navId}`, this._config.loadingScreen)
setTimeout(() => {
$loadingScreen.fadeOut()
}, this._config.loadingScreen)
} else {
this.switchTab(`#${navId}`, this._config.loadingScreen)
$loadingScreen.fadeOut()
}
})
} else {
this.switchTab(`#${navId}`)
}
}
this.onTabCreated($(`#${navId}`))
}
openTabSidebar(item, autoOpen = this._config.autoShowNewTab) {
let $item = $(item).clone()
if ($item.attr('href') === undefined) {
$item = $(item).parent('a').clone()
}
$item.find('.right').remove()
let title = $item.find('p').text()
if (title === '') {
title = $item.text()
}
const link = $item.attr('href')
if (link === '#' || link === '' || link === undefined) {
return
}
this.createTab(title, link, link.replace('.html', '').replace('./', '').replaceAll('/', '-'), autoOpen)
}
switchTab(item) {
const $item = $(item)
const tabId = $item.attr('href')
$(SELECTOR_TAB_EMPTY).hide()
$(`${SELECTOR_TAB_NAVBAR_NAV} .active`).tab('dispose').removeClass('active')
this._fixHeight()
$item.tab('show')
$item.parents('li').addClass('active')
this.onTabChanged($item)
if (this._config.autoItemActive) {
this._setItemActive($(`${tabId} iframe`).attr('src'))
}
}
removeActiveTab() {
const $navItem = $(`${SELECTOR_TAB_NAVBAR_NAV_ITEM}.active`)
const $navItemParent = $navItem.parent()
const navItemIndex = $navItem.index()
$navItem.remove()
$('.tab-pane.active').remove()
if ($(SELECTOR_TAB_CONTENT).children().length == $(`${SELECTOR_TAB_EMPTY}, ${SELECTOR_TAB_LOADING}`).length) {
$(SELECTOR_TAB_EMPTY).show()
} else {
const prevNavItemIndex = navItemIndex - 1
this.switchTab($navItemParent.children().eq(prevNavItemIndex).find('a'))
}
}
toggleFullscreen() {
if ($('body').hasClass(CLASS_NAME_FULLSCREEN_MODE)) {
$(`${SELECTOR_DATA_TOGGLE_FULLSCREEN} i`).removeClass(this._config.iconMinimize).addClass(this._config.iconMaximize)
$('body').removeClass(CLASS_NAME_FULLSCREEN_MODE)
$(`${SELECTOR_TAB_EMPTY}, ${SELECTOR_TAB_LOADING}`).height('auto')
$(SELECTOR_CONTENT_WRAPPER).height('auto')
$(SELECTOR_CONTENT_IFRAME).height('auto')
} else {
$(`${SELECTOR_DATA_TOGGLE_FULLSCREEN} i`).removeClass(this._config.iconMaximize).addClass(this._config.iconMinimize)
$('body').addClass(CLASS_NAME_FULLSCREEN_MODE)
}
$(window).trigger('resize')
this._fixHeight(true)
}
// Private
_init() {
if (window.frameElement && this._config.autoIframeMode) {
$('body').addClass(CLASS_NAME_IFRAME_MODE)
} else if ($(SELECTOR_CONTENT_WRAPPER).hasClass(CLASS_NAME_IFRAME_MODE)) {
this._setupListeners()
this._fixHeight(true)
}
}
_navScroll(offset) {
const leftPos = $(SELECTOR_TAB_NAVBAR_NAV).scrollLeft()
$(SELECTOR_TAB_NAVBAR_NAV).animate({ scrollLeft: (leftPos + offset) }, 250, 'linear')
}
_setupListeners() {
$(window).on('resize', () => {
setTimeout(() => {
this._fixHeight()
}, 1)
})
$(document).on('click', SELECTOR_SIDEBAR_MENU_ITEM, e => {
e.preventDefault()
this.openTabSidebar(e.target)
})
if (this._config.useNavbarItems) {
$(document).on('click', `${SELECTOR_HEADER_MENU_ITEM}, ${SELECTOR_HEADER_DROPDOWN_ITEM}`, e => {
e.preventDefault()
this.openTabSidebar(e.target)
})
}
$(document).on('click', SELECTOR_TAB_NAVBAR_NAV_ITEM, e => {
e.preventDefault()
this.onTabClick(e.target)
this.switchTab(e.target)
})
$(document).on('click', SELECTOR_DATA_TOGGLE_CLOSE, e => {
e.preventDefault()
this.removeActiveTab()
})
$(document).on('click', SELECTOR_DATA_TOGGLE_FULLSCREEN, e => {
e.preventDefault()
this.toggleFullscreen()
})
let mousedown = false
let mousedownInterval = null
$(document).on('mousedown', SELECTOR_DATA_TOGGLE_SCROLL_LEFT, e => {
e.preventDefault()
clearInterval(mousedownInterval)
let { scrollOffset } = this._config
if (!this._config.scrollBehaviorSwap) {
scrollOffset = -scrollOffset
}
mousedown = true
this._navScroll(scrollOffset)
mousedownInterval = setInterval(() => {
this._navScroll(scrollOffset)
}, 250)
})
$(document).on('mousedown', SELECTOR_DATA_TOGGLE_SCROLL_RIGHT, e => {
e.preventDefault()
clearInterval(mousedownInterval)
let { scrollOffset } = this._config
if (this._config.scrollBehaviorSwap) {
scrollOffset = -scrollOffset
}
mousedown = true
this._navScroll(scrollOffset)
mousedownInterval = setInterval(() => {
this._navScroll(scrollOffset)
}, 250)
})
$(document).on('mouseup', () => {
if (mousedown) {
mousedown = false
clearInterval(mousedownInterval)
mousedownInterval = null
}
})
}
_setItemActive(href) {
$(`${SELECTOR_SIDEBAR_MENU_ITEM}, ${SELECTOR_HEADER_DROPDOWN_ITEM}`).removeClass('active')
$(SELECTOR_HEADER_MENU_ITEM).parent().removeClass('active')
const $headerMenuItem = $(`${SELECTOR_HEADER_MENU_ITEM}[href$="${href}"]`)
const $headerDropdownItem = $(`${SELECTOR_HEADER_DROPDOWN_ITEM}[href$="${href}"]`)
const $sidebarMenuItem = $(`${SELECTOR_SIDEBAR_MENU_ITEM}[href$="${href}"]`)
$headerMenuItem.each((i, e) => {
$(e).parent().addClass('active')
})
$headerDropdownItem.each((i, e) => {
$(e).addClass('active')
})
$sidebarMenuItem.each((i, e) => {
$(e).addClass('active')
$(e).parents('.nav-treeview').prevAll('.nav-link').addClass('active')
})
}
_fixHeight(tabEmpty = false) {
if ($('body').hasClass(CLASS_NAME_FULLSCREEN_MODE)) {
const windowHeight = $(window).height()
$(`${SELECTOR_TAB_EMPTY}, ${SELECTOR_TAB_LOADING}`).height(windowHeight)
$(SELECTOR_CONTENT_WRAPPER).height(windowHeight)
$(SELECTOR_CONTENT_IFRAME).height(windowHeight)
} else {
const contentWrapperHeight = parseFloat($(SELECTOR_CONTENT_WRAPPER).css('min-height'))
const navbarHeight = $(SELECTOR_TAB_NAV).outerHeight()
if (tabEmpty == true) {
setTimeout(() => {
$(`${SELECTOR_TAB_EMPTY}, ${SELECTOR_TAB_LOADING}`).height(contentWrapperHeight - navbarHeight)
}, 50)
} else {
$(SELECTOR_CONTENT_IFRAME).height(contentWrapperHeight - navbarHeight)
}
}
}
// Static
static _jQueryInterface(operation, ...args) {
let data = $(this).data(DATA_KEY)
const _options = $.extend({}, Default, $(this).data())
if (!data) {
data = new IFrame(this, _options)
$(this).data(DATA_KEY, data)
}
if (typeof operation === 'string' && operation.match(/createTab|openTabSidebar|switchTab|removeActiveTab/)) {
data[operation](...args)
}
}
}
/**
* Data API
* ====================================================
*/
$(window).on('load', () => {
IFrame._jQueryInterface.call($(SELECTOR_DATA_TOGGLE))
})
/**
* jQuery API
* ====================================================
*/
$.fn[NAME] = IFrame._jQueryInterface
$.fn[NAME].Constructor = IFrame
$.fn[NAME].noConflict = function () {
$.fn[NAME] = JQUERY_NO_CONFLICT
return IFrame._jQueryInterface
}
export default IFrame