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import * as Util from "./Util"; |
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import {Tooltip} from "./Components/Tooltip"; |
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import {Prompter} from "./Components/Prompter"; |
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|
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export class Core { |
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static lightboxList = []; |
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static prompterList = []; |
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|
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static lightbox; |
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static deep = location.hash; |
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|
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static setLightbox = (lb) => this.lightbox = lb; |
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static getLightbox = () => this.lightbox; |
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|
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static setDeep = (d) => this.deep = d; |
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static getDeep = () => this.deep; |
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|
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static addToLightboxList = (idx, lightbox) => this.lightboxList[idx] = lightbox; |
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static getLightboxList = () => this.lightboxList; |
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|
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static showSpinner = () => { |
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let loading = document.getElementsByClassName('photonic-loading'); |
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if (loading.length > 0) { |
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loading = loading[0]; |
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} |
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else { |
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loading = document.createElement('div'); |
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loading.className = 'photonic-loading'; |
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} |
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loading.style.display = 'block'; |
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document.body.appendChild(loading); |
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}; |
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|
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static hideLoading = () => { |
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let loading = document.getElementsByClassName('photonic-loading'); |
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if (loading.length > 0) { |
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loading = loading[0]; |
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loading.style.display = 'none'; |
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} |
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}; |
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|
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static initializePasswordPrompter = selector => { |
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const selectorNoHash = selector.replace(/^#+/g, ''); |
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const prompter = new Prompter(selectorNoHash); |
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prompter.attach(); |
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this.prompterList[selector] = prompter; |
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prompter.show(); |
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}; |
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|
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static moveHTML5External = () => { |
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let videos = document.getElementById('photonic-html5-external-videos'); |
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if (!videos) { |
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videos = document.createElement('div'); |
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videos.id = 'photonic-html5-external-videos'; |
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videos.style.display = 'none'; |
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document.body.appendChild(videos); |
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} |
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|
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const current = document.querySelectorAll('.photonic-html5-external'); |
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if (current) { |
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const cLen = current.length; |
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for (let c = 0; c < cLen; c++) { |
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current[c].classList.remove('photonic-html5-external'); |
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videos.appendChild(current[c]); |
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} |
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} |
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}; |
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|
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static blankSlideupTitle = () => { |
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document.querySelectorAll('.title-display-slideup-stick, .photonic-slideshow.title-display-slideup-stick').forEach((item) => { |
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Array.from(item.getElementsByTagName('a')).forEach(a => { |
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a.setAttribute('title', ''); |
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}); |
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}); |
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}; |
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|
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static showSlideupTitle = () => { |
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let titles = document.documentElement.querySelectorAll('.title-display-slideup-stick a .photonic-title'); |
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const len = titles.length; |
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for (let i = 0; i < len; i++) { |
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titles[i].style.display = 'block'; |
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} |
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}; |
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|
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static waitForImages = async (selector) => { |
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let images = this.getImagesFromSelector(selector); |
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let imageUrlArray = []; |
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let anchorArray = []; |
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let setDimensions = false; |
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|
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if (selector instanceof Element && selector.getAttribute('data-photonic-platform') === 'instagram') { |
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setDimensions = true; |
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} |
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|
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images.forEach(img => { |
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imageUrlArray.push(img.getAttribute('src')); |
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anchorArray.push(img.parentElement); |
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}); |
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|
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const promiseArray = []; // create an array for promises |
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const imageArray = []; // array for the images |
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|
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for (const [idx, imageUrl] of imageUrlArray.entries()) { |
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promiseArray.push(new Promise(resolve => { |
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const img = new Image(); |
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img.onload = () => { |
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if (setDimensions) { |
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anchorArray[idx].setAttribute('data-pswp-width', img.naturalWidth); |
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anchorArray[idx].setAttribute('data-pswp-height', img.naturalHeight); |
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} |
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resolve(); |
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}; |
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img.src = imageUrl; |
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imageArray.push(img); |
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})); |
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} |
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|
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await Promise.all(promiseArray); // wait for all the images to be loaded |
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return imageArray; |
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}; |
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|
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static loadSingleImage = async(image) => { |
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const promiseArray = []; |
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let retImage = null; |
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promiseArray.push(new Promise(resolve => { |
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const img = new Image(); |
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img.onload = () => { |
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resolve(); |
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}; |
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|
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if (image.getAttribute('data-src') !== null) { |
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img.src = image.getAttribute('data-src'); |
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} |
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else { |
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img.src = image.getAttribute('src'); // Leave the 'src' in just as a backup. E.g. Gallery header images |
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} |
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retImage = img; |
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})); |
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await Promise.all(promiseArray); |
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return retImage; |
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}; |
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|
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static watchForImages = (selector) => { |
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let images = this.getImagesFromSelector(selector); |
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|
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const intersectionObserver = new IntersectionObserver((items, observer) => { |
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items.forEach((item) => { |
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if (item.isIntersecting || item.intersectionRatio > 0) { |
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const image = item.target; |
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image.closest('a').classList.add('photonic-image-loading'); |
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|
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this.loadSingleImage(image).then(() => { |
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if (image.getAttribute('data-src') !== null && image.getAttribute('data-src') !== '') { |
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image.src = image.getAttribute('data-src'); |
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image.setAttribute('data-src', ''); |
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image.setAttribute('data-loaded', 'true'); |
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} |
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image.closest('a').classList.remove('photonic-image-loading'); |
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Util.fadeIn(image); |
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}); |
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observer.unobserve(image); |
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} |
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}); |
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}); |
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|
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images.forEach((image) => { |
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intersectionObserver.observe(image); |
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}); |
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}; |
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|
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static getImagesFromSelector = selector => { |
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let images = []; |
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if (typeof selector === 'string') { |
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document.querySelectorAll(selector).forEach(selection => { |
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images = Array.from(selection.getElementsByTagName('img')); |
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}); |
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} |
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else if (selector instanceof Element) { |
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images = Array.from(selector.getElementsByTagName('img')); |
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} |
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else if (selector instanceof NodeList) { |
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selector.forEach((selection) => { |
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images.push(selection.querySelector('img')); |
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}); |
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} |
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return images; |
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}; |
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|
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static standardizeTitleWidths = () => { |
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const self = this; |
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|
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const setWidths = grid => { |
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grid.querySelectorAll('.photonic-thumb').forEach(item => { |
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let img = item.getElementsByTagName('img'); |
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if (img != null) { |
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img = img[0]; |
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let title = item.querySelector('.photonic-title-info'); |
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if (title) { |
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title.style.width = img.width + 'px'; |
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} |
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} |
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}); |
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}; |
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|
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document.querySelectorAll('.photonic-standard-layout.title-display-below, .photonic-standard-layout.title-display-hover-slideup-show, .photonic-standard-layout.title-display-slideup-stick').forEach(grid => { |
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if (grid.classList.contains('sizes-present')) { |
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self.watchForImages(grid); |
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setWidths(grid); |
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} |
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else { |
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self.waitForImages(grid).then(() => { |
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setWidths(grid); |
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}); |
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} |
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}); |
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}; |
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|
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static sanitizeTitles = () => { |
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const thumbs = document.querySelectorAll('.photonic-stream a, a.photonic-level-2-thumb'); |
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thumbs.forEach((thumb) => { |
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if (!thumb.parentNode.classList.contains('photonic-header-title')) { |
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const title = thumb.getAttribute('title'); |
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// Not doing a Util.getText, which uses innerHTML, which is susceptible to XSS |
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thumb.setAttribute('title', Util.getText(title)); |
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const dataTitle = thumb.getAttribute('data-title') |
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thumb.setAttribute('data-title', Util.HTMLSanitizer.SanitizeHTML(dataTitle)); |
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} |
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}); |
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}; |
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|
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static initializeTooltips = () => { |
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if (document.querySelector('.title-display-tooltip a, .photonic-slideshow.title-display-tooltip img') != null) { |
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Tooltip('[data-photonic-tooltip]', '.photonic-tooltip-container'); |
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} |
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}; |
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|
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static showRegularGrids = () => { |
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document.querySelectorAll('.photonic-standard-layout').forEach(grid => { |
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if (grid.classList.contains('sizes-present')) { |
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this.watchForImages(grid); |
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} |
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else { |
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this.waitForImages(grid).then(() => { |
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grid.querySelectorAll('.photonic-level-1, .photonic-level-2').forEach(item => { |
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item.style.display = 'inline-block'; |
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}); |
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}); |
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} |
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}); |
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}; |
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|
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static executeCommon = () => { |
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Core.moveHTML5External(); |
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Core.blankSlideupTitle(); |
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Core.standardizeTitleWidths(); |
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Core.sanitizeTitles(); |
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Core.initializeTooltips(); |
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Core.showRegularGrids(); |
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}; |
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} |
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