nocodb/packages/nc-gui/components/virtual-cell/Lookup.vue

<script lang="ts" setup>
import type { ColumnType, LinkToAnotherRecordType, LookupType } from 'nocodb-sdk'
import { RelationTypes, UITypes, isVirtualCol } from 'nocodb-sdk'
import {
  CellUrlDisableOverlayInj,
  CellValueInj,
  ColumnInj,
  MetaInj,
  ReadonlyInj,
  computed,
  inject,
  isAttachment,
  provide,
  ref,
  refAutoReset,
  useMetas,
  watch,
} from '#imports'

const { metas, getMeta } = useMetas()

provide(ReadonlyInj, ref(true))

const column = inject(ColumnInj, ref())

const meta = inject(MetaInj, ref())

const cellValue = inject(CellValueInj, ref())

const relationColumn = computed(
  () =>
    meta.value?.columns?.find((c) => c.id === (column.value?.colOptions as LookupType)?.fk_relation_column_id) as
      | (ColumnType & {
          colOptions: LinkToAnotherRecordType | undefined
        })
      | undefined,
)

watch(
  relationColumn,
  async (relationCol) => {
    if (relationCol && relationCol.colOptions) await getMeta(relationCol.colOptions.fk_related_model_id!)
  },
  { immediate: true },
)

const lookupTableMeta = computed<Record<string, any> | undefined>(() => {
  if (relationColumn.value && relationColumn.value?.colOptions)
    return metas.value[relationColumn.value.colOptions.fk_related_model_id!]

  return undefined
})

const lookupColumn = computed(
  () =>
    lookupTableMeta.value?.columns?.find((c: any) => c.id === (column.value?.colOptions as LookupType)?.fk_lookup_column_id) as
      | ColumnType
      | undefined,
)

const arrValue = computed(() => {
  if (!cellValue.value) return []

  // if lookup column is Attachment and relation type is Belongs to wrap the value in an array
  // since the attachment component expects an array or JSON string array
  if (lookupColumn.value?.uidt === UITypes.Attachment && relationColumn.value?.colOptions?.type === RelationTypes.BELONGS_TO)
    return [cellValue.value]

  if (Array.isArray(cellValue.value)) return cellValue.value

  return [cellValue.value]
})

provide(MetaInj, lookupTableMeta)

provide(CellUrlDisableOverlayInj, ref(true))

const timeout = 3000 // in ms

const showEditWarning = refAutoReset(false, timeout)
const showClearWarning = refAutoReset(false, timeout)

useSelectedCellKeyupListener(inject(ActiveCellInj, ref(false)), (e: KeyboardEvent) => {
  switch (e.key) {
    case 'Enter':
      showEditWarning.value = true
      break
    case 'Delete':
      showClearWarning.value = true
      break
  }
})
</script>

<template>
  <div class="h-full">
    <div class="h-full flex gap-1 overflow-x-auto p-1">
      <template v-if="lookupColumn">
        <!-- Render virtual cell -->
        <div v-if="isVirtualCol(lookupColumn)">
          <template
            v-if="lookupColumn.uidt === UITypes.LinkToAnotherRecord && lookupColumn.colOptions.type === RelationTypes.BELONGS_TO"
          >
            <LazySmartsheetVirtualCell
              v-for="(v, i) of arrValue"
              :key="i"
              :edit-enabled="false"
              :model-value="v"
              :column="lookupColumn"
            />
          </template>

          <LazySmartsheetVirtualCell v-else :edit-enabled="false" :model-value="arrValue" :column="lookupColumn" />
        </div>

        <!-- Render normal cell -->
        <template v-else>
          <!-- For attachment cell avoid adding chip style -->
          <div
            v-for="(v, i) of arrValue"
            :key="i"
            class="min-w-max"
            :class="{
              'bg-gray-100 px-1 rounded-full flex-1': !isAttachment(lookupColumn),
              ' border-gray-200 rounded border-1': ![UITypes.Attachment, UITypes.MultiSelect, UITypes.SingleSelect].includes(
                lookupColumn.uidt,
              ),
            }"
          >
            <LazySmartsheetCell :model-value="v" :column="lookupColumn" :edit-enabled="false" :virtual="true" />
          </div>
        </template>
      </template>
    </div>
    <div>
      <div v-if="showEditWarning" class="text-left text-wrap mt-2 text-[#e65100] text-xs">
        <!-- TODO: i18n -->
        Warning: Computed field - unable to edit content.
      </div>
      <div v-if="showClearWarning" class="text-left text-wrap mt-2 text-[#e65100] text-xs">
        <!-- TODO: i18n -->
        Warning: Computed field - unable to clear content.
      </div>
    </div>
  </div>
</template>