Curseur d'images réactif

1269 Andev.web

Ouvrir dans l'éditeur Publiez votre code

Recommandé

25 November 2024

Site Web de données sur les étudiants réactif

12 December 2024

Curseur d'images pour Blogspot CSS3

22 June 2025

Modèle de blog Tailwind CSS : mode sombre, réactif

HTML

CSS

*,
*::after,
*::before {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --active-color: hsl(204 100 53);
    --bg-color: #e1e3e5;
    --icon-default: hsl(203 5 75);
    --icon-accent: hsl(203 15 98);
    --navigation-color: hsl(203 5 25 / 0.3);
}

body {
    min-block-size: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-color);
}

.image-slider {
    display: flex;
    flex-flow: column;
    width: clamp(360px, 96vw, 830px);
    aspect-ratio: 16 / 9;
    min-height: 300px;
    overflow: hidden;
    border-radius: 8px;
    container-type: inline-size;
    contain: content;
    background-color: #0006;
    box-shadow: rgba(0, 0, 0, 0.2) 0px 1px 2px, rgba(0, 0, 0, 0.3) 0px 2px 4px,
        rgba(0, 0, 0, 0.25) 0px 4px 8px, rgba(0, 0, 0, 0.2) 0px 8px 16px,
        rgba(0, 0, 0, 0.15) 0px 16px 32px;
}

.slider__content {
    flex-grow: 1;
    display: flex;
    justify-content: space-between;
}

.slider-control--button {
    border: 0;
    background: 0;
    outline: 0;
    cursor: pointer;
    place-content: center;
    padding-inline: 3vw;
    z-index: 1;
    display: grid;
}

.icon {
    height: 2rem;
    width: 2rem;
    fill: var(--icon-default);
    border-radius: 50%;
}

.slider-control--button:where(:hover) {
    background-image: linear-gradient(
        to var(--position),
        #0000 0%,
        #0002,
        80%,
        #0006 100%
    );
    .icon {
        fill: var(--icon-accent);
        background: #0001;
    }
}

.slider-control--button:active {
    outline: 0.2em solid hsl(204 100 53);
    outline-offset: -0.5em;
}

.prev-button {
    --position: left;
}
.next-button {
    --position: right;
}

.image-display {
    position: fixed;
    inset: 0;
}

.slider-navigation {
    z-index: 10;
    display: grid;
    grid-auto-flow: column;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-columns: 100%;
    gap: 1.25rem;
    padding: 1rem;
    place-content: center;
    background-color: var(--navigation-color);
    backdrop-filter: blur(6px);
}

.nav-button {
    display: grid;
    width: 100%;
    height: 100%;
    border-radius: 0.5em;
    overflow: hidden;
    align-items: center;
    justify-content: center;
    border: 0;
    aspect-ratio: 16 / 9;
    transition: filter 150ms linear, scale 266ms ease;
}

.thumbnail {
    display: block;
    max-width: 100%;
    width: 100%;
    object-fit: cover;
    height: 100%;
}

.nav-button[aria-selected="true"] {
    scale: 1.1;
}

.nav-button[aria-selected="true"],
.nav-button:focus-visible {
    outline: 0.2em solid var(--active-color);
    outline-offset: 0.2em;
}

.nav-button[aria-selected="false"] {
    filter: opacity(0.7);
}

.nav-button[aria-selected="false"]:where(:hover, :focus-visible) {
    filter: opacity(1);
}

@container (max-width: 660px) {
    .nav-button:not(:has(img)) {
        background-color: rgb(241, 235, 232);
    }

.slider-navigation {
        display: flex;
        justify-content: center;
        padding-block: 1.5em;
    }

.nav-button {
        inline-size: 0.625rem;
        aspect-ratio: 1;
        border-radius: 50%;
    }

.nav-button > .thumbnail {
        display: none;
    }

.nav-button[aria-selected="true"] {
        background-color: black;
        scale: 1.5;
    }
}

JS

class Slider {
    constructor(slider) {
        this.slider = slider;
        this.display = slider.querySelector(".image-display");
        this.navButtons = Array.from(slider.querySelectorAll(".nav-button"));
        this.prevButton = slider.querySelector(".prev-button");
        this.nextButton = slider.querySelector(".next-button");
        this.sliderNavigation = slider.querySelector(".slider-navigation");
        this.currentSlideIndex = 0;
        this.preloadedImages = {};

this.initialize();
    }

initialize() {
        this.setupSlider();
        this.preloadImages();
        this.eventListeners();
    }

setupSlider() {
        this.showSlide(this.currentSlideIndex);
    }

showSlide(index) {
        this.currentSlideIndex = index;
        const navButtonImg = this.navButtons[
            this.currentSlideIndex
        ].querySelector("img");
        if (navButtonImg) {
            const imgClone = navButtonImg.cloneNode();
            this.display.replaceChildren(imgClone);
        }
        this.updateNavButtons();
    }

updateNavButtons() {
        this.navButtons.forEach((button, buttonIndex) => {
            const isSelected = buttonIndex === this.currentSlideIndex;
            button.setAttribute("aria-selected", isSelected);
            if (isSelected) button.focus();
        });
    }

preloadImages() {
        this.navButtons.forEach((button) => {
            const imgElement = button.querySelector("img");
            if (imgElement) {
                const imgSrc = imgElement.src;
                if (!this.preloadedImages[imgSrc]) {
                    this.preloadedImages[imgSrc] = new Image();
                    this.preloadedImages[imgSrc].src = imgSrc;
                }
            }
        });
    }

eventListeners() {
        document.addEventListener("keydown", (event) => {
            this.handleAction(event.key);
        });

this.sliderNavigation.addEventListener("click", (event) => {
            const targetButton = event.target.closest(".nav-button");
            const index = targetButton
                ? this.navButtons.indexOf(targetButton)
                : -1;
            if (index !== -1) {
                this.showSlide(index);
            }
        });

this.prevButton.addEventListener("click", () =>
            this.handleAction("prev")
        );
        this.nextButton.addEventListener("click", () =>
            this.handleAction("next")
        );
    }

handleAction(action) {
        if (action === "Home") {
            this.currentSlideIndex = 0;
        } else if (action === "End") {
            this.currentSlideIndex = this.navButtons.length - 1;
        } else if (action === "ArrowRight" || action === "next") {
            this.currentSlideIndex =
                (this.currentSlideIndex + 1) % this.navButtons.length;
        } else if (action === "ArrowLeft" || action === "prev") {
            this.currentSlideIndex =
                (this.currentSlideIndex - 1 + this.navButtons.length) %
                this.navButtons.length;
        }

this.showSlide(this.currentSlideIndex);
    }
}

const ImageSlider = new Slider(document.querySelector(".image-slider"));

Recommandé

Site Web de données sur les étudiants réactif

Curseur d'images pour Blogspot CSS3

Modèle de blog Tailwind CSS : mode sombre, réactif

HTMLCopy

CSSCopy

JSCopy

HTML

CSS

JS