#434

frontend/src/lib/countsDisplay.ts

@@ -5,6 +5,8 @@ import { localisedDateString, msToTime, originalCreatedAtString } from '@/lib/ut
 
 import type { CountColumn, CountField, CountRecord,
 	      CountsResource, CountsVersion } from '@/lib/counts'
+import type { CountsClipboardCell, CountsClipboardColumn, CountsClipboardTable }
+    from '@/lib/countsClipboard'
 import type { CountsDefinition } from '@/lib/countsDefinitions'
 import type { LocaleCode } from '@/lib/locales'
 
@@ -278,3 +280,61 @@ export const countsExportLabels = (
   labels.notRegistered = translateUIMessage ('notRegistered', 'counts', locale).text
   return labels
 }
+
+
+const clipboardColumns = (
+    fields: CountField[],
+    path: string,
+    params: URLSearchParams,
+    locale: LocaleCode,
+): CountsClipboardColumn[] => {
+  const selected = selectedCountChildren (params)
+  return orderedCountFields (fields, params, path)
+      .filter (field => selected.has (`${path}.${field.key}`))
+      .map (field => ({ label: translateUIMessage (field.label, 'counts', locale).text,
+	  children: field.children == null ? undefined : clipboardColumns (
+	      field.children, `${path}.${field.key}`, params, locale) }))
+}
+
+
+export const countsNestedClipboardTable = (
+    rows: CountRecord[],
+    fields: CountField[],
+    path: string,
+    params: URLSearchParams,
+    locale: LocaleCode,
+): CountsClipboardTable => {
+  const selected = selectedCountChildren (params)
+  const columns = orderedCountFields (fields, params, path)
+      .filter (field => selected.has (`${path}.${field.key}`))
+  return {
+      columns: clipboardColumns (fields, path, params, locale),
+      rows: countsNestedOrder (rows, path, params, locale).map (row => columns.map (field =>
+	  field.children == null ? countsLogicalName (row, field.key, locale).text
+	      : countsNestedClipboardTable (row[field.key] as CountRecord[] ?? [],
+		  field.children, `${path}.${field.key}`, params, locale))) }
+}
+
+
+export const countsDetailClipboardTable = (
+    rows: CountsVersion[],
+    fields: CountField[],
+    params: URLSearchParams,
+    locale: LocaleCode,
+    rowStart: number | null = null,
+): CountsClipboardTable => {
+  const columns = fields.map (field => ({
+      label: translateUIMessage (field.label, 'counts', locale).text,
+      children: field.children == null ? undefined : clipboardColumns (
+	  field.children, field.key, params, locale) }))
+  if (rowStart != null)
+    columns.unshift ({ label: translateUIMessage ('rowNumbers', 'counts', locale).text,
+	children: undefined })
+  return { columns, rows: rows.map ((row, index) => {
+    const cells: CountsClipboardCell[] = fields.map (field => field.children == null
+	? countsCellText (row, field.key, locale, params)
+	: countsNestedClipboardTable (countsNestedRows (row, field.key), field.children,
+	    field.key, params, locale))
+    return rowStart == null ? cells : [String (rowStart + index), ...cells]
+  }) }
+}