elk/components/command/CommandPanel.vue
2022-11-30 05:50:13 +08:00

253 lines
6.7 KiB
Vue

<script setup lang="ts">
import type { CommandScope, QueryIndexedCommand } from '@/composables/command'
const isMac = useIsMac()
const registry = useCommandRegistry()
const inputEl = $ref<HTMLInputElement>()
const resultEl = $ref<HTMLDivElement>()
let show = $ref(false)
let scopes = $ref<CommandScope[]>([])
let input = $ref('')
// listen to ctrl+/ on windows/linux or cmd+/ on mac
useEventListener('keydown', async (e: KeyboardEvent) => {
if (e.key === '/' && (isMac.value ? e.metaKey : e.ctrlKey)) {
e.preventDefault()
show = true
scopes = []
input = '>'
await nextTick()
inputEl?.focus()
}
})
onKeyStroke('Escape', (e) => {
e.preventDefault()
show = false
}, { target: document })
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()
show = false
}
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' })
}
const onKeyDown = (e: KeyboardEvent) => {
switch (e.key) {
case 'ArrowUp': {
e.preventDefault()
active = Math.max(0, active - 1)
intoView(active)
break
}
case 'ArrowDown': {
e.preventDefault()
active = Math.min(result.length - 1, active + 1)
intoView(active)
break
}
case 'Home': {
e.preventDefault()
active = 0
intoView(active)
break
}
case 'End': {
e.preventDefault()
active = result.length - 1
intoView(active)
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>
<!-- Overlay -->
<Transition
enter-active-class="transition duration-200 ease-out"
enter-from-class="transform opacity-0"
enter-to-class="transform opacity-100"
leave-active-class="transition duration-100 ease-in"
leave-from-class="transform opacity-100"
leave-to-class="transform opacity-0"
>
<div
v-if="show"
class="z-100 fixed inset-0 opacity-70 bg-base"
@click="show = false"
/>
</Transition>
<!-- Panel -->
<Transition
enter-active-class="transition duration-65 ease-out"
enter-from-class="transform scale-95"
enter-to-class="transform scale-100"
leave-active-class="transition duration-100 ease-in"
leave-from-class="transform scale-100"
leave-to-class="transform scale-95"
>
<div v-if="show" class="z-100 fixed inset-0 grid place-items-center pointer-events-none">
<div
class="flex flex-col w-50vw h-50vh rounded-md bg-base shadow-lg pointer-events-auto"
border="1 base"
>
<!-- 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"
>
<CommandKey name="Escape" />
</label>
<div class="w-full border-b-1 border-base" />
<!-- 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>
<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" />
<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>
<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>
<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>
<div class="w-full border-b-1 border-base" />
<!-- 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>
</div>
</div>
</Transition>
</template>