mirror of
https://github.com/hcengineering/platform.git
synced 2025-04-04 23:11:15 +00:00
87 lines
2.1 KiB
Svelte
87 lines
2.1 KiB
Svelte
<!--
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// Copyright © 2022 Hardcore Engineering Inc.
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//
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// Licensed under the Eclipse Public License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License. You may
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// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//
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// See the License for the specific language governing permissions and
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// limitations under the License.
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-->
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<script lang="ts">
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import { afterUpdate, createEventDispatcher } from 'svelte'
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export let selection: number = 0
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export let count: number
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const refs: HTMLElement[] = []
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const dispatch = createEventDispatcher()
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let oldSelection = Date.now()
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function onRow (item: number): void {
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if (updateSelection(item)) {
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dispatch('on-select', item)
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}
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}
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function updateSelection (item: number): boolean {
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const now = Date.now()
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if (now - oldSelection >= 25) {
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selection = item
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oldSelection = now
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return true
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}
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return false
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}
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export function select (pos: number): void {
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if (pos < 0) {
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pos = 0
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}
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if (pos >= count) {
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pos = count - 1
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}
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const r = refs[pos]
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onRow(pos)
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if (r !== undefined) {
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r?.scrollIntoView({ behavior: 'auto', block: 'nearest' })
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}
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}
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afterUpdate(() => dispatch('changeContent'))
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</script>
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{#if count}
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<div class="list-container flex-col flex-grow" style:overflow={'auto'}>
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{#each Array(count) as _, row}
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<slot name="category" item={row} />
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<div
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class:selection={row === selection}
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on:mouseover={() => onRow(row)}
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on:focus={() => {}}
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bind:this={refs[row]}
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on:click={() => dispatch('click', row)}
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>
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<slot name="item" item={row} />
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</div>
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{/each}
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</div>
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{/if}
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<style lang="scss">
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.list-container {
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border-radius: 0.25rem;
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user-select: none;
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.selection {
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background-color: var(--menu-bg-select);
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}
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}
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</style>
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