elk/components/settings/SettingsBottomNav.vue

<script setup lang="ts">
import type { NavButtonName } from '~/composables/settings'
import { STORAGE_KEY_BOTTOM_NAV_BUTTONS } from '~/constants'

interface NavButton {
  name: NavButtonName
  label: string
  icon: string
}

const availableNavButtons: NavButton[] = [
  { name: 'home', label: 'nav.home', icon: 'i-ri:home-5-line' },
  { name: 'search', label: 'nav.search', icon: 'i-ri:search-line' },
  { name: 'notification', label: 'nav.notifications', icon: 'i-ri:notification-4-line' },
  { name: 'mention', label: 'nav.conversations', icon: 'i-ri:at-line' },
  { name: 'explore', label: 'nav.explore', icon: 'i-ri:compass-3-line' },
  { name: 'local', label: 'nav.local', icon: 'i-ri:group-2-line' },
  { name: 'federated', label: 'nav.federated', icon: 'i-ri:earth-line' },
  { name: 'moreMenu', label: 'nav.more_menu', icon: 'i-ri:more-fill' },
] as const

const defaultSelectedNavButtonNames = computed<NavButtonName[]>(() =>
  currentUser.value
    ? ['home', 'search', 'notification', 'mention', 'moreMenu']
    : ['explore', 'local', 'federated', 'moreMenu'],
)
const navButtonNamesSetting = useLocalStorage<NavButtonName[]>(STORAGE_KEY_BOTTOM_NAV_BUTTONS, defaultSelectedNavButtonNames.value)
const selectedNavButtonNames = ref<NavButtonName[]>([])

const selectedNavButtons = computed<NavButton[]>(() =>
  selectedNavButtonNames.value.map(name =>
    availableNavButtons.find(navButton => navButton.name === name)!,
  ),
)

const canSave = computed(() =>
  selectedNavButtonNames.value.length > 0
  && selectedNavButtonNames.value.includes('moreMenu')
  && JSON.stringify(selectedNavButtonNames.value) !== JSON.stringify(navButtonNamesSetting.value),
)

function isAdded(name: NavButtonName) {
  return selectedNavButtonNames.value.includes(name)
}

function append(navButtonName: NavButtonName) {
  const maxButtonNumber = 5
  if (selectedNavButtonNames.value.length < maxButtonNumber)
    selectedNavButtonNames.value = [...selectedNavButtonNames.value, navButtonName]
}

function remove(navButtonName: NavButtonName) {
  selectedNavButtonNames.value = selectedNavButtonNames.value.filter(name => name !== navButtonName)
}

function clear() {
  selectedNavButtonNames.value = []
}

function reset() {
  selectedNavButtonNames.value = defaultSelectedNavButtonNames.value
}

function save() {
  navButtonNamesSetting.value = selectedNavButtonNames.value
}
</script>

<template>
  <form aria-labelledby="interface-bn" aria-describedby="interface-bn-desc" @submit.prevent="save">
    <!-- preview -->
    <div aria-hidden="true" flex="~ gap4 wrap" items-center select-settings h-14 p0>
      <nav
        v-for="availableNavButton in selectedNavButtons" :key="availableNavButton.name"
        flex="~ 1" items-center justify-center text-xl
        scrollbar-hide overscroll-none
      >
        <button btn-base :class="availableNavButton.icon" mx-4 tabindex="-1" />
      </nav>
    </div>

    <!-- button selection -->
    <div flex="~ gap4 wrap" py4>
      <button
        v-for="{ name, label, icon } in availableNavButtons"
        :key="name"
        btn-text flex="~ gap-2" items-center p2 border="~ base rounded" bg-base ws-nowrap
        :class="isAdded(name) ? 'text-secondary hover:text-second bg-auto' : ''"
        type="button"
        role="switch"
        :aria-checked="isAdded(name)"
        @click="isAdded(name) ? remove(name) : append(name)"
      >
        <span :class="icon" />
        {{ label ? $t(label) : 'More menu' }}
      </button>
    </div>

    <div flex="~ col" gap-y-4 gap-x-2 py-1 sm="~ justify-end flex-row">
      <button
        btn-outline font-bold py2 full-w sm-wa flex="~ gap2 center"
        type="button"
        :disabled="selectedNavButtonNames.length === 0"
        :class="selectedNavButtonNames.length === 0 ? 'border-none' : undefined"
        @click="clear"
      >
        <span aria-hidden="true" class="block i-ri:delete-bin-line" />
        {{ $t('action.clear') }}
      </button>
      <button
        btn-outline font-bold py2 full-w sm-wa flex="~ gap2 center"
        type="reset"
        @click="reset"
      >
        <span aria-hidden="true" class="block i-ri:repeat-line" />
        {{ $t('action.reset') }}
      </button>
      <button
        btn-solid font-bold py2 full-w sm-wa flex="~ gap2 center"
        :disabled="!canSave"
      >
        <span aria-hidden="true" i-ri:save-2-fill />
        {{ $t('action.save') }}
      </button>
    </div>
  </form>
</template>