83 lines
3.0 KiB
Vue
83 lines
3.0 KiB
Vue
<template>
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<div class="aa-mention" ref="root">
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<div class="aa-mention-area">
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<textarea
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ref="input"
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class="aa-mention-input"
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:value="modelValue"
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rows="3"
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placeholder="输入 @ 提及同事…"
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@input="onInput"
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@keydown.down.prevent="move(1)"
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@keydown.up.prevent="move(-1)"
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@keydown.enter.prevent="enter"
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@keydown.esc="close"
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></textarea>
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<div v-show="open" class="aa-mention-panel">
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<div
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v-for="(u, i) in users"
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:key="u.name"
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class="aa-mention-item"
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:class="{ 'is-active': i === active }"
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@click="insert(u.name)"
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>
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<span class="aa-mention-avatar">{{ u.name[0] }}</span>
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<span class="aa-mention-name">{{ u.name }}</span>
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<span class="aa-mention-dept">{{ u.dept }}</span>
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</div>
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</div>
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</div>
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<div class="aa-mention-chips">
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<span v-for="n in mentioned" :key="n" class="aa-mention-chip">@{{ n }} <b @click="remove(n)">×</b></span>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, onMounted, onBeforeUnmount } from 'vue';
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const props = defineProps({
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modelValue: { type: String, default: '' },
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users: {
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type: Array,
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default: () => [
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{ name: '王伟', dept: '华东大区' }, { name: '李娜', dept: '华南大区' }, { name: '张强', dept: '华北大区' },
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{ name: '陈静', dept: '研发中心' }, { name: '刘洋', dept: '市场部' }
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]
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}
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});
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const emit = defineEmits(['update:modelValue']);
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const root = ref(null);
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const input = ref(null);
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const open = ref(false);
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const active = ref(-1);
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const mentioned = ref([]);
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function onInput(e) {
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const pos = e.target.selectionStart, v = e.target.value;
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emit('update:modelValue', v);
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const at = v.lastIndexOf('@', pos - 1);
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if (at >= 0 && (at === 0 || /\s/.test(v[at - 1])) && !/\s/.test(v.slice(at + 1, pos))) { active.value = -1; open.value = true; }
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else open.value = false;
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}
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function move(d) { active.value = Math.max(-1, Math.min(props.users.length - 1, active.value + d)); }
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function enter() { if (active.value >= 0) insert(props.users[active.value].name); }
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function insert(name) {
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const el = input.value, pos = el.selectionStart, v = el.value;
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const at = v.lastIndexOf('@', pos - 1);
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if (at >= 0 && (at === 0 || /\s/.test(v[at - 1]))) el.value = v.slice(0, at) + '@' + name + ' ' + v.slice(pos);
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else el.value = v.slice(0, pos) + '@' + name + ' ' + v.slice(pos);
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if (mentioned.value.indexOf(name) < 0) mentioned.value.push(name);
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emit('update:modelValue', el.value);
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open.value = false;
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el.focus();
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}
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function remove(n) { mentioned.value = mentioned.value.filter((x) => x !== n); }
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function close() { open.value = false; }
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function onDoc(e) { if (root.value && !root.value.contains(e.target)) close(); }
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onMounted(() => document.addEventListener('click', onDoc));
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onBeforeUnmount(() => document.removeEventListener('click', onDoc));
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</script>
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<style src="./Mention.css"></style>
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