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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| <script> | ||
| import {createEventDispatcher} from "svelte" | ||
| import {scrollTo} from "../utils" | ||
| export let title | ||
| export let items | ||
| export let height = 360 | ||
| export let itemsShow = 3 | ||
| /** | ||
| * Выбранный элемент | ||
| * @type {number} | ||
| */ | ||
| export let chosen = 0 | ||
| const dispatch = createEventDispatcher() | ||
| let itemHeight = height / itemsShow | ||
| /** | ||
| * ID таймаута скролла | ||
| * @type {number} | ||
| */ | ||
| let scrollTimeout | ||
| /** | ||
| * ID таймаута выбора элемента | ||
| * @type {number} | ||
| */ | ||
| let selectTimeout | ||
| let containerNode | ||
| /** | ||
| * Предыдущий выбранный элемент. Нужен чтобы понимать произошли ли изменения | ||
| * @type {number} | ||
| */ | ||
| let lastChosen = 0 | ||
| function scroll(e) { | ||
| let scrollTop = e.target.scrollTop | ||
| let new_chosen = | ||
| Math.round((scrollTop + height / 2 + itemHeight / 2) / itemHeight) - 2 | ||
| if (new_chosen !== chosen) { | ||
| lastChosen = chosen | ||
| chosen = new_chosen | ||
| if (selectTimeout) clearTimeout(selectTimeout) | ||
| selectTimeout = setTimeout(() => { | ||
| dispatch("select", {index: chosen}) | ||
| }, 500) | ||
| } | ||
| if (scrollTimeout) clearTimeout(scrollTimeout) | ||
| scrollTimeout = setTimeout(() => { | ||
| let scroll = itemHeight * chosen | ||
| scrollTo(containerNode, 0, scroll) | ||
| }, 300) | ||
| } | ||
| function bezelRotate(e) { | ||
| if (e.detail.direction === "CW" && chosen < items.length - 1) { | ||
| chosen = chosen + 1 | ||
| scrollTo(containerNode, 0, itemHeight * chosen) | ||
| } | ||
| if (e.detail.direction === "CCW" && chosen > 0) { | ||
| chosen = chosen - 1 | ||
| scrollTo(containerNode, 0, itemHeight * chosen) | ||
| } | ||
| } | ||
| </script> | ||
|
|
||
| <svelte:window on:rotarydetent={bezelRotate} /> | ||
|
|
||
| <div | ||
| bind:this={containerNode} | ||
| class="cont" | ||
| on:scroll={scroll} | ||
| style="height: {height}px;" | ||
| > | ||
| <div class="item fake-item" style="height: {itemHeight}px;"> | ||
| {#if title} | ||
| <div class="title" style="color: #14b6ff">{title}</div> | ||
| {/if} | ||
| </div> | ||
| <!-- TODO: добавить id --> | ||
| {#each items as item, i (item.title || item)} | ||
| <div | ||
| on:click={() => dispatch("click", item)} | ||
| class:active={chosen === i} | ||
| class="item" | ||
| style="height: {itemHeight}px;" | ||
| > | ||
| <slot {item} active={chosen === i} /> | ||
| </div> | ||
| {/each} | ||
| <div class="fake-item" style="height: {itemHeight}px;" /> | ||
| </div> | ||
|
|
||
| <style> | ||
| .item { | ||
| text-align: center; | ||
| margin: 0; | ||
| box-sizing: border-box; | ||
| border-radius: 99px; | ||
| transition: background ease-in-out 0.5s; | ||
| justify-content: center; | ||
| display: flex; | ||
| flex-direction: column; | ||
| } | ||
| .cont { | ||
| overflow-y: scroll; | ||
| scroll-behavior: smooth; | ||
| } | ||
| .active { | ||
| background: #3a3a3a; | ||
| } | ||
| .title { | ||
| font-weight: bold; | ||
| font-size: 2em; | ||
| } | ||
| .active .title { | ||
| font-size: 2.2em; | ||
| } | ||
| .subtitle { | ||
| font-size: 1.8em; | ||
| /* TODO: сделать плавающий текст */ | ||
| max-height: 72px; | ||
| overflow: hidden; | ||
| word-break: break-all; | ||
| } | ||
| .title { | ||
| max-width: 100%; | ||
| margin: 0 auto; | ||
| white-space: nowrap; | ||
| overflow: hidden; | ||
| } | ||
| .title span { | ||
| display: inline-block; | ||
| } | ||
| .title :global(span.animated) { | ||
| animation: marquee 10s ease-in-out alternate infinite; | ||
| } | ||
| @keyframes marquee { | ||
| 0% { | ||
| transform: translateX(20px); | ||
| } | ||
| 100% { | ||
| transform: translateX(calc(-100% + 340px)); | ||
| } | ||
| } | ||
| </style> |
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