115 lines
1.7 KiB
Vue
115 lines
1.7 KiB
Vue
<template>
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<div class="items">
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<template v-if="items.length">
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<button
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class="item"
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:class="{ 'is-selected': index === selectedIndex }"
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v-for="(item, index) in items"
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:key="index"
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@click="selectItem(index)"
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>
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{{ item }}
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</button>
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</template>
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<div class="item" v-else>
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No result
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</div>
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</div>
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</template>
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<script>
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export default {
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props: {
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items: {
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type: Array,
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required: true,
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},
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command: {
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type: Function,
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required: true,
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},
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},
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data() {
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return {
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selectedIndex: 0,
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}
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},
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watch: {
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items() {
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this.selectedIndex = 0
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},
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},
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methods: {
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onKeyDown({event}) {
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if (event.key === 'ArrowUp') {
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this.upHandler()
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return true
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}
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if (event.key === 'ArrowDown') {
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this.downHandler()
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return true
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}
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if (event.key === 'Enter') {
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this.enterHandler()
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return true
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}
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return false
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},
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upHandler() {
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this.selectedIndex = ((this.selectedIndex + this.items.length) - 1) % this.items.length
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},
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downHandler() {
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this.selectedIndex = (this.selectedIndex + 1) % this.items.length
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},
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enterHandler() {
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this.selectItem(this.selectedIndex)
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},
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selectItem(index) {
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const item = this.items[index]
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if (item) {
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this.command(item)
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}
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},
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},
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}
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</script>
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<style lang="scss" scoped>
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.items {
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padding: 0.2rem;
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position: relative;
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border-radius: 0.5rem;
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background: #fff;
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color: rgba(0, 0, 0, 0.8);
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overflow: hidden;
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font-size: 0.9rem;
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box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05), 0px 10px 20px rgba(0, 0, 0, 0.1);
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}
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.item {
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display: block;
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margin: 0;
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width: 100%;
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text-align: left;
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background: transparent;
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border-radius: 0.4rem;
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border: 1px solid transparent;
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padding: 0.2rem 0.4rem;
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&.is-selected {
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border-color: #000;
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}
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}
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</style> |