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Adjust centered Everblock slider behavior and styles #850

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Merged
CySSoO merged 1 commit into from
Jan 22, 2026
Merged

Adjust centered Everblock slider behavior and styles #850

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13 changes: 9 additions & 4 deletions views/css/everblock.css
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Original file line number Diff line number Diff line change
Expand Up @@ -1048,7 +1048,7 @@
}

.ever-slider-item {
transition: opacity 0.4s ease, filter 0.4s ease;
transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
opacity: 1;
filter: none;
}
Expand All @@ -1059,8 +1059,13 @@
}

.ever-slider-item.is-inactive {
opacity: 0.4;
filter: brightness(0.85);
}

.ever-slider-item.is-adjacent {
opacity: 0.6;
filter: grayscale(10%) brightness(0.95);
filter: brightness(0.9);
}

.ever-slider-prev,
Expand All @@ -1083,11 +1088,11 @@
}

.ever-slider-prev {
left: 10px;
left: -40px;
}

.ever-slider-next {
right: 10px;
right: -40px;
}

.ever-slider-prev:hover,
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39 changes: 22 additions & 17 deletions views/js/everblock-slider.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,35 +49,39 @@
if (!state.prevButton || !state.nextButton) {
return;
}
if (state.disabled) {
state.prevButton.hidden = true;
state.nextButton.hidden = true;
return;
}
state.prevButton.hidden = false;
state.nextButton.hidden = false;
if (state.infinite) {
state.prevButton.disabled = false;
state.nextButton.disabled = false;
return;
}
state.prevButton.disabled = state.index === 0;
if (state.disabled) {
state.prevButton.disabled = true;
state.nextButton.disabled = true;
return;
}
state.prevButton.disabled = state.index <= 0;
state.nextButton.disabled = state.index >= state.maxIndex;
}

function updateTrackPosition(state) {
if (!state.track) {
return;
}
const offset = (state.itemWidth + state.gap) * state.index;
state.track.style.transform = `translateX(${-offset}px)`;
const containerWidth = state.containerWidth || state.slider.clientWidth || 0;
const step = state.itemWidth + state.gap;
const offset = (containerWidth / 2) - (state.itemWidth / 2) - (state.index * step);
state.track.style.transform = `translateX(${offset}px)`;
}

function updateItemStates(state) {
state.items.forEach((item, itemIndex) => {
const isActive = itemIndex === state.index;
const isAdjacent = itemIndex === state.index - 1 || itemIndex === state.index + 1;
item.classList.toggle('is-active', isActive);
item.classList.toggle('is-inactive', !isActive);
item.classList.toggle('is-adjacent', !isActive && isAdjacent);
item.classList.toggle('is-inactive', !isActive && !isAdjacent);
});
}

Expand All @@ -87,18 +91,19 @@
state.itemsPerView = Math.max(1, state.itemsPerView);
state.gap = getGapValue(state.track);
const containerWidth = state.slider.clientWidth || 0;
state.containerWidth = containerWidth;
const totalGap = state.gap * Math.max(0, state.itemsPerView - 1);
state.itemWidth = state.itemsPerView > 0 ? (containerWidth - totalGap) / state.itemsPerView : 0;
state.items.forEach((item) => {
item.style.width = `${state.itemWidth}px`;
});
state.maxIndex = Math.max(0, totalItems - state.itemsPerView);
state.disabled = totalItems <= 1 || state.itemsPerView >= totalItems;
state.maxIndex = Math.max(0, totalItems - 1);
state.disabled = totalItems <= 1;
if (state.index > state.maxIndex) {
state.index = state.maxIndex;
}
state.pageCount = state.disabled ? 1 : Math.ceil(totalItems / state.itemsPerView);
state.pageIndex = Math.min(state.pageCount - 1, Math.round(state.index / state.itemsPerView));
state.pageCount = state.disabled ? 1 : totalItems;
state.pageIndex = Math.min(state.pageCount - 1, state.index);
updateTrackPosition(state);
updateItemStates(state);
updateButtons(state);
Expand All @@ -117,7 +122,7 @@
return;
}
state.timer = window.setInterval(() => {
goToIndex(state, state.index + state.itemsPerView, false);
goToIndex(state, state.index + 1, false);
}, state.autoplayDelay);
}

Expand All @@ -134,7 +139,7 @@
targetIndex = Math.max(0, Math.min(state.maxIndex, targetIndex));
}
state.index = targetIndex;
state.pageIndex = Math.min(state.pageCount - 1, Math.round(state.index / state.itemsPerView));
state.pageIndex = Math.min(state.pageCount - 1, state.index);
updateTrackPosition(state);
updateItemStates(state);
updateButtons(state);
Expand All @@ -146,12 +151,12 @@
function bindControls(state) {
if (state.prevButton) {
state.prevButton.addEventListener('click', () => {
goToIndex(state, state.index - state.itemsPerView, true);
goToIndex(state, state.index - 1, true);
});
}
if (state.nextButton) {
state.nextButton.addEventListener('click', () => {
goToIndex(state, state.index + state.itemsPerView, true);
goToIndex(state, state.index + 1, true);
});
}
}
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