elk/components/command/CommandPanel.vue

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<script setup lang="ts">
import type { CommandScope, QueryIndexedCommand } from '@/composables/command'
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const emit = defineEmits<{
(event: 'close'): void
}>()
const registry = useCommandRegistry()
const inputEl = $ref<HTMLInputElement>()
const resultEl = $ref<HTMLDivElement>()
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const scopes = $ref<CommandScope[]>([])
let input = $(commandPanelInput)
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onMounted(() => {
inputEl?.focus()
})
const commandMode = $computed(() => input.startsWith('>'))
const result = $computed(() => commandMode
? registry.query(scopes.map(s => s.id).join('.'), input.slice(1))
: { length: 0, items: [], grouped: {} })
let active = $ref(0)
watch($$(result), (n, o) => {
if (n.length !== o.length || !n.items.every((i, idx) => i === o.items[idx]))
active = 0
})
const findItemEl = (index: number) =>
resultEl?.querySelector(`[data-index="${index}"]`) as HTMLDivElement | null
const onCommandActivate = (item: QueryIndexedCommand) => {
if (item.onActivate) {
item.onActivate()
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emit('close')
}
else if (item.onComplete) {
scopes.push(item.onComplete())
input = '>'
}
}
const onCommandComplete = (item: QueryIndexedCommand) => {
if (item.onComplete) {
scopes.push(item.onComplete())
input = '>'
}
else if (item.onActivate) {
item.onActivate()
}
}
const intoView = (index: number) => {
const el = findItemEl(index)
if (el)
el.scrollIntoView({ block: 'nearest' })
}
function setActive(index: number) {
const len = result.length
active = (index + len) % len
intoView(active)
}
const onKeyDown = (e: KeyboardEvent) => {
switch (e.key) {
case 'p':
case 'ArrowUp': {
if (e.key === 'p' && !e.ctrlKey)
break
e.preventDefault()
setActive(active - 1)
break
}
case 'n':
case 'ArrowDown': {
if (e.key === 'n' && !e.ctrlKey)
break
e.preventDefault()
setActive(active + 1)
break
}
case 'Home': {
e.preventDefault()
active = 0
intoView(active)
break
}
case 'End': {
e.preventDefault()
setActive(result.length - 1)
break
}
case 'Enter': {
e.preventDefault()
const cmd = result.items[active]
if (cmd)
onCommandActivate(cmd)
break
}
case 'Tab': {
e.preventDefault()
const cmd = result.items[active]
if (cmd)
onCommandComplete(cmd)
break
}
case 'Backspace': {
if (input === '>' && scopes.length) {
e.preventDefault()
scopes.pop()
}
break
}
}
}
</script>
<template>
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<div class="flex flex-col w-50vw max-w-180 h-50vh max-h-120">
<!-- Input -->
<label class="flex mx-3 my-1 items-center">
<div mx-1 i-ri:search-line />
<div v-for="scope in scopes" :key="scope.id" class="flex items-center mx-1 gap-2">
<div class="text-sm">{{ scope.display }}</div>
<span class="text-secondary">/</span>
</div>
<input
ref="inputEl"
v-model="input"
class="focus:outline-none flex-1 p-2 rounded bg-base"
placeholder="Search"
@keydown="onKeyDown"
>
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<CommandKey name="Escape" />
</label>
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<div class="w-full border-b-1 border-base" />
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<!-- Results -->
<div ref="resultEl" class="flex-1 mx-1 overflow-y-auto">
<template v-for="[scope, group] in result.grouped" :key="scope">
<div class="mt-2 px-2 py-1 text-sm text-secondary">
{{ scope }}
</div>
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<template v-for="cmd in group" :key="cmd.index">
<div
class="flex px-3 py-2 my-1 items-center rounded-lg hover:bg-active transition-all duration-65 ease-in-out cursor-pointer scroll-m-10"
:class="{ 'bg-active': active === cmd.index }"
:data-index="cmd.index"
@click="onCommandActivate(cmd)"
>
<div v-if="cmd.icon" mr-2 :class="cmd.icon" />
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<div class="flex-1 flex items-baseline gap-2">
<div :class="{ 'font-medium': active === cmd.index }">
{{ cmd.name }}
</div>
<div v-if="cmd.description" class="text-xs text-secondary">
{{ cmd.description }}
</div>
</div>
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<div
v-if="cmd.onComplete"
class="flex items-center gap-1 transition-all duration-65 ease-in-out"
:class="active === cmd.index ? 'opacity-100' : 'opacity-0'"
>
<div class="text-xs text-secondary">
{{ $t('command.complete') }}
</div>
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<CommandKey name="Tab" />
</div>
<div
v-if="cmd.onActivate"
class="flex items-center gap-1 transition-all duration-65 ease-in-out"
:class="active === cmd.index ? 'opacity-100' : 'opacity-0'"
>
<div class="text-xs text-secondary">
{{ $t('command.activate') }}
</div>
<CommandKey name="Enter" />
</div>
</div>
</template>
</template>
</div>
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<div class="w-full border-b-1 border-base" />
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<!-- Footer -->
<div class="flex items-center px-3 py-1 text-xs">
<div i-ri:lightbulb-flash-line /> Tip: Use
<!-- <CommandKey name="Ctrl+K" /> to search, -->
<CommandKey name="Ctrl+/" /> to activate command mode.
</div>
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</div>
</template>