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feat(swipe): swipe to change page, pagination fix #185

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Merged
RemiF1908 merged 1 commit into from
Jan 21, 2026
Merged

feat(swipe): swipe to change page, pagination fix #185

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222 changes: 144 additions & 78 deletions frontend/src/lib/components/borne/items.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,60 @@
import { onMount } from 'svelte';
import { fade, fly } from 'svelte/transition';

let itemsContainer: HTMLElement;

let touchStartX = 0;
let touchEndX = 0;
let isTouch = false;

function handleTouchStart(e: TouchEvent) {
touchStartX = e.changedTouches[0].screenX;
isTouch = true;
}

function handleTouchEnd(e: TouchEvent) {
if (isTouch) {
touchEndX = e.changedTouches[0].screenX;
handleSwipe();
isTouch = false;
}
}

function handleMouseDown(e: MouseEvent) {
touchStartX = e.screenX;
}

function handleMouseUp(e: MouseEvent) {
touchEndX = e.screenX;
handleMouseSwipe();
}

function handleSwipe() {
const swipeThreshold = 50;
const diff = touchStartX - touchEndX;

if (Math.abs(diff) > swipeThreshold) {
if (diff > 0) {
if (page < maxPage+1) nextPage();
} else {
if (page > 1) prevPage();
}
}
}

function handleMouseSwipe() {
const swipeThreshold = 100;
const diff = touchStartX - touchEndX;

if (Math.abs(diff) > swipeThreshold) {
if (diff > 0) {
if (page < maxPage+1) nextPage();
} else {
if (page > 1) prevPage();
}
}
}

export let state: ItemState = 'buyable';
export let category: string = '';

Expand All @@ -31,16 +85,16 @@

let items: Item[] = [];

let page: number = 0;
let maxPage: number = 0;
let page: number = 1;
let maxPage: number = 1;
let nextPage = () => {
if (page < maxPage) {
page++;
reloadItems();
}
};
let prevPage = () => {
if (page > 0) {
if (page > 1) {
page--;
reloadItems();
}
Expand Down Expand Up @@ -132,87 +186,99 @@
</div>
{/if}

<!-- horizontal & overflows -->
{#if items.length === 0}
<div class="col-span-7 flex flex-col items-center justify-center">
<span class="text-3xl text-white" in:fade={{ duration: 200, delay: 100 }}>Aucun article</span>
</div>
{:else}
<div
class="grid grid-cols-4 gap-8 w-full p-16"
in:fly={{ x: -direction * 300, duration: 500 }}
out:fly={{ x: direction * 300, duration: 500 }}
>
{#each items as item}
<!-- image wil be in a button box -->
<button
class="relative w-50 h-50 flex-shrink-0 flex flex-col items-center justify-center rounded-lg text-white transition-colors duration-300"
>
<!-- add info svg on the top right -->
{#if item.is_menu}
<div
bind:this={itemsContainer}
class="flex flex-col flex-grow w-full"
on:touchstart={handleTouchStart}
on:touchend={handleTouchEnd}
on:mousedown={handleMouseDown}
on:mouseup={handleMouseUp}
>
<!-- horizontal & overflows -->
{#if items.length === 0}
<div class="col-span-7 flex flex-col items-center justify-center">
<span class="text-3xl text-white" in:fade={{ duration: 200, delay: 100 }}>Aucun article</span>
</div>
{:else}
<div
class="grid grid-cols-4 gap-8 w-full p-16"
in:fly={{ x: -direction * 300, duration: 500 }}
out:fly={{ x: direction * 300, duration: 500 }}
>
{#each items as item}
<!-- image wil be in a button box -->
<button
class="relative w-50 h-50 flex-shrink-0 flex flex-col items-center justify-center rounded-lg text-white transition-colors duration-300"
>
<!-- add info svg on the top right -->
{#if item.is_menu}
<button
class="relative top-0 right-0 w-10 h-10"
on:click={() => {
menuPopup = {
items: item.menu_items,
categories: item.menu_categories
};
}}
>
<iconify-icon class="text-white align-middle text-2xl" icon="akar-icons:info" />
</button>
{/if}
<button
class="relative top-0 right-0 w-10 h-10"
on:click={() => {
menuPopup = {
items: item.menu_items,
categories: item.menu_categories
};
// check we are not clicking on the info button
clickWrapper(item);
}}
>
<iconify-icon class="text-white align-middle text-2xl" icon="akar-icons:info" />
<img
draggable="false"
class="w-full h-32 object-contain"
src={api() + item.picture_uri}
alt={item.name}
/>
<div class="flex flex-col">
<span class="text-lg font-bold">{item.name}</span>
<span class="text-sm">Prix: {formatPrice(item.display_price ?? 999)}</span>
</div>
</button>
{/if}
<button
on:click={() => {
// check we are not clicking on the info button
clickWrapper(item);
}}
>
<img
draggable="false"
class="w-full h-32 object-contain"
src={api() + item.picture_uri}
alt={item.name}
/>
<div class="flex flex-col">
<span class="text-lg font-bold">{item.name}</span>
<span class="text-sm">Prix: {formatPrice(item.display_price ?? 999)}</span>
</div>
{#if item.amount_left <= 0}
<!-- Stock épuisé icon -->
<img
class="absolute top-[50%] left-[50%] -translate-x-[50%] -translate-y-[70%] w-28 h-28 drop-shadow-2xl"
alt="oof"
src="/epuise.webp"
/>
{/if}
</button>
{#if item.amount_left <= 0}
<!-- Stock épuisé icon -->
<img
class="absolute top-[50%] left-[50%] -translate-x-[50%] -translate-y-[70%] w-28 h-28 drop-shadow-2xl"
alt="oof"
src="/epuise.webp"
/>
{/if}
</button>
{/each}
</div>
{/if}
{/each}
</div>
{/if}

<!-- Navigation -->
<div class="absolute bottom-5 left-[50%] -translate-x-[50%] flex flex-col justify-center">
<div class="text-3xl text-white text-center">
{page}/{maxPage}
</div>
<div class="flex flex-row gap-4 justify-center items-center w-full h-16">
<button
class="w-10 h-10 border-2 border-gray-300 rounded-full"
on:click={() => {
prevPage();
}}
>
<iconify-icon class="text-white align-middle text-2xl" icon="akar-icons:chevron-left" />
</button>
<button
class="w-10 h-10 text-center border-2 border-gray-300 rounded-full"
on:click={() => {
nextPage();
}}
>
<iconify-icon class="text-white align-middle text-2xl" icon="akar-icons:chevron-right" />
</button>
<!-- Navigation -->
<div class="flex flex-col justify-center flex-shrink-0">
<div class="text-3xl text-white text-center">
{page}/{maxPage}
</div>
<div class="flex flex-row gap-4 justify-center items-center w-full h-16">
<button
class="w-10 h-10 border-2 border-gray-300 rounded-full"
on:click={() => {
prevPage();
}}
>
<iconify-icon class="text-white align-middle text-2xl" icon="akar-icons:chevron-left" />
</button>
<button
class="w-10 h-10 text-center border-2 border-gray-300 rounded-full"
on:click={() => {
nextPage();
}}
>
<iconify-icon class="text-white align-middle text-2xl" icon="akar-icons:chevron-right" />
</button>
</div>
</div>
</div>

<style>
</style>
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