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| 1 | +'use strict'; |
| 2 | + |
| 3 | +class Marquee { |
| 4 | + constructor(_container) { |
| 5 | + try { |
| 6 | + this.container = _container; |
| 7 | + this.elements = Array.from(this.container.children); |
| 8 | + if (this.elements.length === 0) throw new Error("No elements found inside the marquee container."); |
| 9 | + this.speed =_container.getAttribute('wt-marquee-speed') || 50; |
| 10 | + this.direction = _container.getAttribute('wt-marquee-direction') || 'left' |
| 11 | + this.viewportWidth = window.innerWidth; |
| 12 | + this.parentWidth = this.container.parentElement.offsetWidth; |
| 13 | + this.totalWidth = this.calculateTotalWidth(); |
| 14 | + this.scrollPosition = 0; |
| 15 | + this.gapSize = this.getGapSize(); |
| 16 | + |
| 17 | + this.fillContainer(); |
| 18 | + this.startMarquee(); |
| 19 | + this.handleResize(); |
| 20 | + } catch (err) { |
| 21 | + console.error(`Error initializing Marquee: ${err.message}`); |
| 22 | + } |
| 23 | + } |
| 24 | + |
| 25 | + calculateTotalWidth() { |
| 26 | + const gapTotal = (this.elements.length - 1) * this.gapSize; |
| 27 | + return this.elements.reduce((total, el) => total + el.offsetWidth, 0) + gapTotal; |
| 28 | + } |
| 29 | + |
| 30 | + getGapSize() { |
| 31 | + const styles = getComputedStyle(this.container); |
| 32 | + return parseFloat(styles.gap) || 0; |
| 33 | + } |
| 34 | + |
| 35 | + fillContainer() { |
| 36 | + let totalWidth = this.calculateTotalWidth(); |
| 37 | + const targetWidth = this.parentWidth * 1.5; |
| 38 | + |
| 39 | + while (totalWidth < targetWidth) { |
| 40 | + this.elements.forEach(el => { |
| 41 | + const clone = el.cloneNode(true); |
| 42 | + this.container.appendChild(clone); |
| 43 | + }); |
| 44 | + this.elements = Array.from(this.container.children); |
| 45 | + totalWidth = this.calculateTotalWidth(); |
| 46 | + } |
| 47 | + } |
| 48 | + |
| 49 | + startMarquee() { |
| 50 | + this.marqueeInterval = setInterval(() => { |
| 51 | + this.scrollPosition += this.direction === 'left' ? -1 : 1; |
| 52 | + |
| 53 | + this.moveOffscreenElement(); |
| 54 | + |
| 55 | + this.container.style.transform = `translateX(${this.scrollPosition}px)`; |
| 56 | + }, this.speed); |
| 57 | + } |
| 58 | + |
| 59 | + moveOffscreenElement() { |
| 60 | + const firstElement = this.container.firstElementChild; |
| 61 | + const firstElementWidth = firstElement.offsetWidth + this.gapSize; |
| 62 | + |
| 63 | + if (this.direction === 'left' && this.scrollPosition <= -firstElementWidth) { |
| 64 | + this.container.style.transition = 'none'; |
| 65 | + this.container.appendChild(firstElement); |
| 66 | + this.scrollPosition += firstElementWidth; |
| 67 | + requestAnimationFrame(() => { |
| 68 | + this.container.style.transition = ''; |
| 69 | + }); |
| 70 | + } else if (this.direction === 'right' && this.scrollPosition >= -firstElementWidth / 2) { |
| 71 | + const lastElement = this.container.lastElementChild; |
| 72 | + this.container.style.transition = 'none'; |
| 73 | + this.container.insertBefore(lastElement, firstElement); |
| 74 | + this.scrollPosition -= firstElementWidth; |
| 75 | + requestAnimationFrame(() => { |
| 76 | + this.container.style.transition = ''; |
| 77 | + }); |
| 78 | + } |
| 79 | + } |
| 80 | + |
| 81 | + handleResize() { |
| 82 | + window.addEventListener('resize', () => { |
| 83 | + clearInterval(this.marqueeInterval); |
| 84 | + this.viewportWidth = window.innerWidth; |
| 85 | + this.parentWidth = this.container.parentElement.offsetWidth; |
| 86 | + this.totalWidth = this.calculateTotalWidth(); |
| 87 | + this.fillContainer(); |
| 88 | + this.startMarquee(); |
| 89 | + }); |
| 90 | + } |
| 91 | + |
| 92 | + stopMarquee() { |
| 93 | + clearInterval(this.marqueeInterval); |
| 94 | + } |
| 95 | +} |
| 96 | + |
| 97 | +const InitializeMarquee = () => { |
| 98 | + try { |
| 99 | + const marqueeContainers = document.querySelectorAll('[wt-marquee-element="container"]'); |
| 100 | + if (!marqueeContainers || marqueeContainers.length === 0) throw new Error("No marquee containers found."); |
| 101 | + |
| 102 | + marqueeContainers.forEach(container => { |
| 103 | + new Marquee(container); |
| 104 | + }); |
| 105 | + } catch (err) { |
| 106 | + console.error(`Error in InitializeMarquee: ${err.message}`); |
| 107 | + } |
| 108 | +}; |
| 109 | + |
| 110 | +if (/complete|interactive|loaded/.test(document.readyState)) { |
| 111 | + InitializeMarquee(); |
| 112 | +} else { |
| 113 | + window.addEventListener('DOMContentLoaded', InitializeMarquee); |
| 114 | +} |
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