527 lines
17 KiB
JavaScript
527 lines
17 KiB
JavaScript
/* global KEEP */
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KEEP.initUtils = () => {
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KEEP.utils = {
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html_root_dom: document.querySelector('html'),
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pageContainer_dom: document.querySelector('.page-container'),
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pageTop_dom: document.querySelector('.page-main-content-top'),
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firstScreen_dom: document.querySelector('.first-screen-container'),
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scrollProgressBar_dom: document.querySelector('.scroll-progress-bar'),
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pjaxProgressBar_dom: document.querySelector('.pjax-progress-bar'),
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pjaxProgressIcon_dom: document.querySelector('.pjax-progress-icon'),
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back2TopButton_dom: document.querySelector('.tool-scroll-to-top'),
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headerWrapper_dom: document.querySelector('.header-wrapper'),
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innerHeight: window.innerHeight,
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pjaxProgressBarTimer: null,
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prevScrollValue: 0,
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fontSizeLevel: 0,
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isHasScrollProgressBar: false,
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isHasScrollPercent: false,
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isHeaderTransparent: false,
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hasToc: false,
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initData() {
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const {scroll, first_screen} = KEEP.theme_config.style
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this.isHasScrollProgressBar = scroll.progress_bar.enable === true
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this.isHasScrollPercent = scroll.percent.enable === true
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const {enable, header_transparent} = first_screen
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this.isHeaderTransparent = enable === true && header_transparent === true
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},
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// Scroll Style Handle
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styleHandleWhenScroll() {
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const scrollTop = document.body.scrollTop || document.documentElement.scrollTop
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const scrollHeight = document.body.scrollHeight || document.documentElement.scrollHeight
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const clientHeight = window.innerHeight || document.documentElement.clientHeight
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const percent = Math.round((scrollTop / (scrollHeight - clientHeight)) * 100)
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if (this.isHasScrollProgressBar) {
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const ProgressPercent = ((scrollTop / (scrollHeight - clientHeight)) * 100).toFixed(3)
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this.scrollProgressBar_dom.style.visibility = percent === 0 ? 'hidden' : 'visible'
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this.scrollProgressBar_dom.style.width = `${ProgressPercent}%`
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}
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if (this.isHasScrollPercent) {
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const percent_dom = this.back2TopButton_dom.querySelector('.percent')
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if (percent === 0 || percent === undefined) {
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this.back2TopButton_dom.classList.remove('show')
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} else {
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this.back2TopButton_dom.classList.add('show')
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percent_dom.innerHTML = percent.toFixed(0)
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}
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}
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// hide header handle
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if (scrollTop > this.prevScrollValue && scrollTop > this.innerHeight) {
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this.pageTop_dom.classList.add('hide')
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if (this.isHeaderTransparent) {
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this.headerWrapper_dom.classList.remove('transparent-1', 'transparent-2')
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}
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} else {
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this.pageTop_dom.classList.remove('hide')
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if (this.isHeaderTransparent) {
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if (scrollTop <= this.headerWrapper_dom.getBoundingClientRect().height) {
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this.headerWrapper_dom.classList.remove('transparent-2')
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this.headerWrapper_dom.classList.add('transparent-1')
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} else if (scrollTop < this.innerHeight) {
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this.headerWrapper_dom.classList.add('transparent-2')
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}
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}
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}
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this.prevScrollValue = scrollTop
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},
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// register window scroll event
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registerWindowScroll() {
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window.addEventListener('scroll', () => {
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// style handle when scroll
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if (this.isHasScrollPercent || this.isHasScrollProgressBar) {
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this.styleHandleWhenScroll()
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}
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// TOC scroll handle
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if (KEEP.theme_config.toc.enable && KEEP.utils.hasOwnProperty('findActiveIndexByTOC')) {
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KEEP.utils.findActiveIndexByTOC()
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}
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// header shrink
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KEEP.utils.headerShrink.headerShrink()
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})
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},
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// toggle show tools list
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toggleShowToolsList() {
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document.querySelector('.tool-toggle-show').addEventListener('click', () => {
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document.querySelector('.side-tools-list').classList.toggle('show')
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})
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},
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// global font adjust
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globalFontAdjust() {
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const fontSize = document.defaultView.getComputedStyle(document.body).fontSize
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const fs = parseFloat(fontSize)
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const initFontSize = () => {
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const styleStatus = KEEP.getStyleStatus()
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if (styleStatus) {
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this.fontSizeLevel = styleStatus.fontSizeLevel
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setFontSize(this.fontSizeLevel)
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}
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}
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const setFontSize = (fontSizeLevel) => {
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this.html_root_dom.style.fontSize = `${fs * (1 + fontSizeLevel * 0.05)}px`
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KEEP.styleStatus.fontSizeLevel = fontSizeLevel
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KEEP.setStyleStatus()
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}
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initFontSize()
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document.querySelector('.tool-font-adjust-plus').addEventListener('click', () => {
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if (this.fontSizeLevel === 5) return
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this.fontSizeLevel++
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setFontSize(this.fontSizeLevel)
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})
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document.querySelector('.tool-font-adjust-minus').addEventListener('click', () => {
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if (this.fontSizeLevel <= 0) return
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this.fontSizeLevel--
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setFontSize(this.fontSizeLevel)
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})
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},
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// toggle content area width
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contentAreaWidthAdjust() {
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const toolExpandDom = document.querySelector('.tool-expand-width')
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const headerContentDom = document.querySelector('.header-content')
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const mainContentDom = document.querySelector('.main-content')
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const iconDom = toolExpandDom.querySelector('i')
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const defaultMaxWidth = '928px'
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const expandMaxWidth = '90%'
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let headerMaxWidth = defaultMaxWidth
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let isExpand = false
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if (
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KEEP.theme_config.style.first_screen.enable === true &&
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window.location.pathname === '/'
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) {
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headerMaxWidth = parseInt(defaultMaxWidth) * 1.2 + 'px'
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}
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const setPageWidth = (isExpand) => {
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KEEP.styleStatus.isExpandPageWidth = isExpand
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KEEP.setStyleStatus()
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if (isExpand) {
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iconDom.classList.remove('fa-up-right-and-down-left-from-center')
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iconDom.classList.add('fa-down-left-and-up-right-to-center')
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headerContentDom.style.maxWidth = expandMaxWidth
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mainContentDom.style.maxWidth = expandMaxWidth
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} else {
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iconDom.classList.remove('fa-down-left-and-up-right-to-center')
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iconDom.classList.add('fa-up-right-and-down-left-from-center')
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headerContentDom.style.maxWidth = headerMaxWidth
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mainContentDom.style.maxWidth = defaultMaxWidth
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}
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}
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const initPageWidth = () => {
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const styleStatus = KEEP.getStyleStatus()
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if (styleStatus) {
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isExpand = styleStatus.isExpandPageWidth
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setPageWidth(isExpand)
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}
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}
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initPageWidth()
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toolExpandDom.addEventListener('click', () => {
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isExpand = !isExpand
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setPageWidth(isExpand)
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})
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},
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// go comment anchor
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goComment() {
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this.goComment_dom = document.querySelector('.go-comment')
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if (this.goComment_dom) {
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this.goComment_dom.addEventListener('click', () => {
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document.querySelector('#comment-anchor').scrollIntoView()
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})
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}
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},
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// get dom element height
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getElementHeight(selectors) {
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const dom = document.querySelector(selectors)
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return dom ? dom.getBoundingClientRect().height : 0
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},
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// init first screen height
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initFirstScreenHeight() {
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this.firstScreen_dom && (this.firstScreen_dom.style.height = this.innerHeight + 'px')
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},
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// init has TOC
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initHasToc() {
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const tocNavDoms = document.querySelectorAll('.post-toc-wrap .post-toc li')
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if (tocNavDoms.length > 0) {
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this.hasToc = true
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document.body.classList.add('has-toc')
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} else {
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this.hasToc = false
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document.body.classList.remove('has-toc')
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}
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},
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// init page height handle
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initPageHeightHandle() {
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if (this.firstScreen_dom) return
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const temp_h1 = this.getElementHeight('.page-main-content-top')
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const temp_h2 = this.getElementHeight('.page-main-content-middle')
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const temp_h3 = this.getElementHeight('.page-main-content-bottom')
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const allDomHeight = temp_h1 + temp_h2 + temp_h3
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const innerHeight = window.innerHeight
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const pb_dom = document.querySelector('.page-main-content-bottom')
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if (allDomHeight < innerHeight) {
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const marginTopValue = Math.floor(innerHeight - allDomHeight)
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if (marginTopValue > 0) {
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pb_dom.style.marginTop = `${marginTopValue - 2}px`
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}
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}
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},
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// zoom in image
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zoomInImage() {
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let SIDE_GAP = 40
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let isZoomIn = false
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let curWinScrollY = 0
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let selectedImgDom = null
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const imgDomList = document.querySelectorAll('.markdown-body img')
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const zoomInImgMask = document.querySelector('.zoom-in-image-mask')
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const zoomInImg = zoomInImgMask.querySelector('.zoom-in-image')
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const zoomOut = () => {
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if (isZoomIn) {
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isZoomIn = false
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curWinScrollY = 0
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zoomInImg && (zoomInImg.style.transform = `scale(1)`)
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zoomInImgMask && zoomInImgMask.classList.remove('show')
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setTimeout(() => {
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selectedImgDom && selectedImgDom.classList.remove('hide')
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}, 300)
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}
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}
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const zoomOutHandle = () => {
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zoomInImgMask &&
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zoomInImgMask.addEventListener('click', () => {
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zoomOut()
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})
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document.addEventListener('scroll', () => {
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if (isZoomIn && Math.abs(curWinScrollY - window.scrollY) >= 50) {
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zoomOut()
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}
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})
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}
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const setSideGap = () => {
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const w = document.body.offsetWidth
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if (w <= 500) {
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SIDE_GAP = 10
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} else if (w <= 780) {
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SIDE_GAP = 20
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} else {
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SIDE_GAP = 40
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}
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}
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if (imgDomList.length) {
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zoomOutHandle()
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imgDomList.forEach((img) => {
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img.addEventListener('click', () => {
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curWinScrollY = window.scrollY
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isZoomIn = !isZoomIn
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setSideGap()
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zoomInImg.setAttribute('src', img.getAttribute('src'))
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selectedImgDom = img
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if (isZoomIn) {
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const imgRect = selectedImgDom.getBoundingClientRect()
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const imgW = imgRect.width
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const imgH = imgRect.height
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const imgL = imgRect.left
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const imgT = imgRect.top
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const winW = document.body.offsetWidth - SIDE_GAP * 2
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const winH = document.body.offsetHeight - SIDE_GAP * 2
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const scaleX = winW / imgW
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const scaleY = winH / imgH
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const scale = (scaleX < scaleY ? scaleX : scaleY) || 1
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const translateX = winW / 2 - (imgRect.x + imgW / 2) + SIDE_GAP
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const translateY = winH / 2 - (imgRect.y + imgH / 2) + SIDE_GAP
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selectedImgDom.classList.add('hide')
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zoomInImgMask.classList.add('show')
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zoomInImg.style.top = imgT + 'px'
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zoomInImg.style.left = imgL + 'px'
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zoomInImg.style.width = imgW + 'px'
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zoomInImg.style.height = imgH + 'px'
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zoomInImg.style.transform = `translateX(${translateX}px) translateY(${translateY}px) scale(${scale}) `
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}
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})
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})
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}
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},
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// set how long ago language
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setHowLongAgoLanguage(p1, p2) {
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return p2.replace(/%s/g, p1)
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},
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getHowLongAgo(timestamp) {
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const lang = KEEP.language_ago
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const __Y = Math.floor(timestamp / (60 * 60 * 24 * 30) / 12)
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const __M = Math.floor(timestamp / (60 * 60 * 24 * 30))
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const __W = Math.floor(timestamp / (60 * 60 * 24) / 7)
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const __d = Math.floor(timestamp / (60 * 60 * 24))
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const __h = Math.floor((timestamp / (60 * 60)) % 24)
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const __m = Math.floor((timestamp / 60) % 60)
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const __s = Math.floor(timestamp % 60)
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if (__Y > 0) {
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return this.setHowLongAgoLanguage(__Y, lang.year)
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} else if (__M > 0) {
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return this.setHowLongAgoLanguage(__M, lang.month)
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} else if (__W > 0) {
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return this.setHowLongAgoLanguage(__W, lang.week)
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} else if (__d > 0) {
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return this.setHowLongAgoLanguage(__d, lang.day)
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} else if (__h > 0) {
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return this.setHowLongAgoLanguage(__h, lang.hour)
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} else if (__m > 0) {
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return this.setHowLongAgoLanguage(__m, lang.minute)
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} else if (__s > 0) {
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return this.setHowLongAgoLanguage(__s, lang.second)
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}
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},
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setHowLongAgoInHome() {
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const post = document.querySelectorAll('.home-article-meta-info .home-article-date')
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post &&
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post.forEach((v) => {
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const nowDate = Date.now()
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const postDate = new Date(v.dataset.date.split(' GMT')[0]).getTime()
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v.innerHTML = this.getHowLongAgo(Math.floor((nowDate - postDate) / 1000))
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})
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},
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// loading progress bar start
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pjaxProgressBarStart() {
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this.pjaxProgressBarTimer && clearInterval(this.pjaxProgressBarTimer)
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if (this.isHasScrollProgressBar) {
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this.scrollProgressBar_dom.classList.add('hide')
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}
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this.pjaxProgressBar_dom.style.width = '0'
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this.pjaxProgressIcon_dom.classList.add('show')
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let width = 1
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const maxWidth = 99
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this.pjaxProgressBar_dom.classList.add('show')
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this.pjaxProgressBar_dom.style.width = width + '%'
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this.pjaxProgressBarTimer = setInterval(() => {
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width += 5
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if (width > maxWidth) width = maxWidth
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this.pjaxProgressBar_dom.style.width = width + '%'
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}, 100)
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},
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// loading progress bar end
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pjaxProgressBarEnd() {
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this.pjaxProgressBarTimer && clearInterval(this.pjaxProgressBarTimer)
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this.pjaxProgressBar_dom.style.width = '100%'
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const temp_1 = setTimeout(() => {
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this.pjaxProgressBar_dom.classList.remove('show')
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this.pjaxProgressIcon_dom.classList.remove('show')
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if (this.isHasScrollProgressBar) {
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this.scrollProgressBar_dom.classList.remove('hide')
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}
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const temp_2 = setTimeout(() => {
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this.pjaxProgressBar_dom.style.width = '0'
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clearTimeout(temp_1), clearTimeout(temp_2)
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}, 200)
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}, 200)
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},
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// insert tooltip content dom
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insertTooltipContent() {
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const init = () => {
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// tooltip
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document.querySelectorAll('.tooltip').forEach((element) => {
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const {content, offsetX, offsetY} = element.dataset
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let style = ''
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let sTop = ''
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let sLeft = ''
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if (offsetX) {
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sTop = `left: ${offsetX};`
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}
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if (offsetY) {
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sLeft = `top: ${offsetY};`
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}
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if (offsetX || offsetY) {
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style = ` style="${sLeft}${sTop}"`
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}
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if (content) {
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element.insertAdjacentHTML(
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'afterbegin',
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`<span class="tooltip-content"${style}>${content}</span>`
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)
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}
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})
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// tooltip-img
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const imgsSet = {}
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const toggleShowImg = (dom, nameIdx) => {
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document.addEventListener('click', () => {
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if (imgsSet[nameIdx].isShowImg) {
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dom.classList.remove('show-img')
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imgsSet[nameIdx].isShowImg = false
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}
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})
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}
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const loadImg = (img, imgLoaded) => {
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const temp = new Image()
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const {src} = img.dataset
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temp.src = src
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temp.onload = () => {
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img.src = src
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img.removeAttribute('lazyload')
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imgLoaded = true
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}
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}
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document.querySelectorAll('.tooltip-img').forEach((dom, idx) => {
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const {imgUrl, name} = dom.dataset
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if (imgUrl) {
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const imgDomClass = `tooltip-img-${name}`
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const nameIdx = `${name}_${idx}`
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const imgDom = `<img class="${imgDomClass}" lazyload data-src="${imgUrl}" alt="${name}">`
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const imgTooltipBox = `<div class="tooltip-img-box">${imgDom}</div>`
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imgsSet[nameIdx] = {
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imgLoaded: false,
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isShowImg: false
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}
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dom.insertAdjacentHTML('afterbegin', imgTooltipBox)
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dom.addEventListener('click', (e) => {
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if (!imgsSet[nameIdx].imgLoaded) {
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loadImg(
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document.querySelector(`.tooltip-img-box img.${imgDomClass}`),
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imgsSet[nameIdx].imgLoaded
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)
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}
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imgsSet[nameIdx].isShowImg = !imgsSet[nameIdx].isShowImg
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dom.classList.toggle('show-img')
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e.stopPropagation()
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})
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toggleShowImg(dom, nameIdx)
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}
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})
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}
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setTimeout(() => {
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init()
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}, 1000)
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}
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}
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// init data
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KEEP.utils.initData()
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// init scroll
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KEEP.utils.registerWindowScroll()
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// toggle show tools list
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KEEP.utils.toggleShowToolsList()
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// global font adjust
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KEEP.utils.globalFontAdjust()
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// adjust content area width
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// KEEP.utils.contentAreaWidthAdjust()
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// go comment
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KEEP.utils.goComment()
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// init page height handle
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KEEP.utils.initPageHeightHandle()
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// init first screen height
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KEEP.utils.initFirstScreenHeight()
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// check whether TOC exists
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KEEP.utils.initHasToc()
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// big image viewer handle
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KEEP.utils.zoomInImage()
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// set how long age in home article block
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KEEP.utils.setHowLongAgoInHome()
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// insert tooltip content dom
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KEEP.utils.insertTooltipContent()
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}
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