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import {define} from "../globals/globals"; |
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import {LightboxInterface} from "../interfaces/LightboxInterface"; |
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import {LightboxOptions} from "../types/LightboxOptions"; |
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import {ImagePositionOptions} from "../types/internal/ImagePositionOptions"; |
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(function (root, factory) { |
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if (typeof define === 'function' && define.amd) { |
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define([], factory); |
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} else if (typeof module === 'object' && module.exports) { |
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module.exports = factory(); |
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} else { |
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root!.Lightbox = factory(); |
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} |
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}(typeof self !== 'undefined' ? self : this, function () { |
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class Lightbox implements LightboxInterface { |
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public options: LightboxOptions; |
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static animationCloseSpeed: number = 150; |
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static animationTranslateSpeed: number = 100; |
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constructor(options: LightboxOptions) { |
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if (!options.targets) { |
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throw new Error('No targets') |
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} |
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this.options = options; |
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this.options.targets = typeof options.targets === 'string' ? document.querySelectorAll(options.targets) : options.targets; |
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this.initClasses(); |
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this.initClone(); |
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this.bodyClose(); |
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} |
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private initClasses(): void { |
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this.options.targets.forEach(function (target: HTMLImageElement) { |
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target.classList.add('lightbox'); |
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}); |
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} |
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private initHTML(target: HTMLImageElement, position: ImagePositionOptions): void { |
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let wrapper = document.createElement('div'); |
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new Promise(function (resolve) { |
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wrapper.classList.add('lightbox-clone-wrapper'); |
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setTimeout(resolve, 100); |
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}).then(function () { |
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wrapper.classList.add('active'); |
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}); |
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let clone = document.createElement('div'); |
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new Promise(function (resolve) { |
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clone.classList.add('lightbox-clone'); |
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clone.style.top = position.top + 'px'; |
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clone.style.left = position.left + 'px'; |
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clone.style.width = target.naturalWidth + 'px'; |
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setTimeout(resolve, 100); |
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}).then(function () { |
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clone.classList.add('centered'); |
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}); |
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let cloneImg = document.createElement('img'); |
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cloneImg.src = target.src; |
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clone.appendChild(cloneImg); |
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wrapper.appendChild(clone); |
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document.body.appendChild(wrapper); |
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} |
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private initClone(): void { |
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let that = this; |
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this.options.targets.forEach(function (target: HTMLImageElement) { |
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target.addEventListener('click', function (e) { |
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that.initHTML(e.target as HTMLImageElement, that.getTargetPosition(target)); |
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that.scrollClose(target); |
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}) |
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}); |
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} |
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protected getTargetPosition(target: HTMLImageElement): ImagePositionOptions { |
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let targetPosition = target.getBoundingClientRect(); |
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return { |
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top: targetPosition.top, |
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left: targetPosition.left |
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} |
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} |
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protected bodyClose(): void { |
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document.addEventListener('click', function (e) { |
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e.preventDefault(); |
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if((e.target as HTMLElement).closest('.lightbox-clone-wrapper')) { |
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let wrapper = document.querySelector('.lightbox-clone-wrapper') as HTMLElement; |
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if(wrapper) { |
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let clone = wrapper.firstElementChild as HTMLElement; |
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new Promise<void>(function (resolve) { |
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clone.classList.remove('centered'); |
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setTimeout(resolve, Lightbox.animationCloseSpeed); |
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}).then(function () { |
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wrapper.remove(); |
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}); |
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} |
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} |
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}); |
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} |
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protected scrollClose(target: HTMLImageElement) { |
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setTimeout(function(){ |
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Lightbox.onetime(document, 'scroll', function () { |
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let targetPosition = target.getBoundingClientRect(); |
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let wrapper = document.querySelector('.lightbox-clone-wrapper') as HTMLElement; |
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if(wrapper) { |
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let clone = wrapper.firstElementChild as HTMLElement; |
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new Promise<void>(function (resolve) { |
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clone.classList.remove('centered'); |
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clone.style.top = targetPosition.top + 'px'; |
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clone.style.left = targetPosition.left + 'px'; |
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setTimeout(resolve, Lightbox.animationCloseSpeed); |
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}).then(function () { |
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if((clone.style.top === targetPosition.top + 'px') && (clone.style.left === targetPosition.left + 'px')) { |
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wrapper.remove(); |
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} |
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}); |
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} |
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}); |
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}, Lightbox.animationCloseSpeed); |
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} |
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static onetime(node: Node, type: string, callback: EventListener) { |
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node.addEventListener(type, function(e) { |
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e.target!.removeEventListener(e.type, callback); |
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return callback(e); |
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}); |
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} |
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} |
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return Lightbox; |
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})); |