#434

backend/app/services/counts_table_query.rb

@@ -98,10 +98,10 @@ class CountsTableQuery
         extras << "sort#{ index }.count AS sort#{ index }"
         "sort#{ index } IS NULL ASC, sort#{ index } #{ direction.upcase }"
       elsif row_keys.include?(key)
-        "#{ key } IS NULL ASC, #{ key } #{ direction.upcase }"
+        axis_order_sql(key, direction)
       end
     end
-    order_rows = row_sort + row_keys.map { "#{ _1 } IS NULL, #{ _1 }" }
+    order_rows = row_sort + row_keys.map { axis_order_sql(_1) }
     order_rows = ['singleton ASC'] if order_rows.empty?
     grouped = "SELECT #{ row_selection } FROM cells #{ row_group }"
     selection = (['grouped.*'] + extras).join(', ')
@@ -115,10 +115,10 @@ class CountsTableQuery
     order_cols = @sort.filter_map do |key, direction|
       next unless key.match?(/\Aa[0-9]+\z/) && !row_keys.include?(key)
 
-      "cells.#{ key } #{ direction.upcase }"
+      axis_order_sql(key, direction, qualifier: 'cells')
     end
     order = ['page_rows.position'] + order_cols +
-        axes.all.each_index.map { "cells.a#{ _1 }" }
+        axes.all.each_index.map { axis_order_sql("a#{ _1 }", qualifier: 'cells') }
     records = @connection.select_all(<<~SQL)
       #{ prefix }, row_groups AS (#{ group_sql }),
       numbered AS (SELECT row_groups.*,
@@ -231,39 +231,41 @@ class CountsTableQuery
     # detail pagination continue to use the authorised population exclusively.
     source = CountsPopulation.new(
         @params.merge('execution_at' => population.at.iso8601(6)), authorisation_flg: false)
-    records = source.scope.except(:select).optimizer_hints('MAX_EXECUTION_TIME(10000)').count
     denied = source.scope.except(:select)
         .where(Arel.sql("NOT (#{ HistoryAccess.sql(@definition.model, 'v') })"))
         .optimizer_hints('MAX_EXECUTION_TIME(10000)').count
-    rows = records
-    if mode == 'summary'
-      unrestricted_axes = CountsAxes.new(source)
-      relation = source.scope
-      joins = unrestricted_axes.joins
-      relation = relation.joins(joins) unless joins.empty?
-      expressions = unrestricted_axes.expressions
-      keys = axes.rows.each_index.map { "a#{ _1 }" }
-      if keys.empty?
-        rows = 1
-      else
-        selected = expressions.each_with_index.map { |expression, index|
-          "#{ expression } AS a#{ index }"
-        }
-        sql = relation.except(:select).select(Arel.sql(selected.join(', ')))
-            .distinct.to_sql
-        prefix = "WITH cells AS (#{ sql })"
-        groups = @connection.select_value(<<~SQL).to_i
-          #{ prefix }
-          SELECT /*+ MAX_EXECUTION_TIME(10000) */ COUNT(*) FROM (
-            SELECT #{ keys.join(', ') } FROM cells GROUP BY #{ keys.join(', ') }
-          ) output_groups
-        SQL
-        rows = output_row_count(prefix, keys, CountsPivotLayout.depths(keys, @sort), groups)
-      end
-    end
+    rows = if mode == 'details'
+             source.scope.except(:select).optimizer_hints('MAX_EXECUTION_TIME(10000)').count
+           else
+             summary_output_count(source)
+           end
     @output_totals = { output_count: rows, excluded_count: denied }
   end
 
+  def summary_output_count(source)
+    keys = axes.rows.each_index.map { "a#{ _1 }" }
+    return 1 if keys.empty?
+
+    unrestricted_axes = CountsAxes.new(source)
+    relation = source.scope
+    joins = unrestricted_axes.joins
+    relation = relation.joins(joins) unless joins.empty?
+    expressions = unrestricted_axes.expressions
+    selected = expressions.each_with_index.map { |expression, index|
+      "#{ expression } AS a#{ index }"
+    }
+    sql = relation.except(:select).select(Arel.sql(selected.join(', ')))
+        .distinct.to_sql
+    prefix = "WITH cells AS (#{ sql })"
+    groups = @connection.select_value(<<~SQL).to_i
+      #{ prefix }
+      SELECT /*+ MAX_EXECUTION_TIME(10000) */ COUNT(*) FROM (
+        SELECT #{ keys.join(', ') } FROM cells GROUP BY #{ keys.join(', ') }
+      ) output_groups
+    SQL
+    output_row_count(prefix, keys, CountsPivotLayout.depths(keys, @sort), groups)
+  end
+
   def locale = @locale ||= Locale.find_by!(code: @params.fetch('locale', 'ja'))
 
   def limited_columns(prefix)
@@ -272,9 +274,7 @@ class CountsTableQuery
 
     configured = @sort.select { |key, _direction| keys.include?(key) }
     directions = (configured + keys.map { [_1, 'asc'] }).uniq { _1.first }
-    order = directions.map { |key, direction|
-      "#{ key } IS NULL ASC, #{ key } #{ direction.upcase }"
-    }.join(', ')
+    order = directions.map { |key, direction| axis_order_sql(key, direction) }.join(', ')
     custom = QueryState.records(@params, 'column_order')
     if custom.any?
       raise ArgumentError unless custom.map { _1['value'] }.uniq.length == custom.length
@@ -311,6 +311,19 @@ class CountsTableQuery
     source.select(Arel.sql(selected.join(', '))).to_sql
   end
 
+  def axis_order_sql(key, direction = 'asc', qualifier: nil)
+    column = qualifier ? "#{ qualifier }.#{ key }" : key
+    expression = column
+    if axes.all.fetch(key.delete_prefix('a').to_i).fetch('field') == 'category'
+      # Tag's enum preserves the same category order as TagsController.
+      cases = Tag.categories.keys.each_with_index.map { |category, index|
+        "WHEN #{ @connection.quote(category) } THEN #{ index }"
+      }.join(' ')
+      expression = "CASE #{ column } #{ cases } ELSE #{ Tag.categories.length } END"
+    end
+    "#{ column } IS NULL ASC, #{ expression } #{ direction.upcase }"
+  end
+
   def measure_values(key)
     records = QueryState.records(@params, 'measures').select { _1['key'] == key }
     raise ArgumentError if records.empty?

frontend/src/components/counts/CountsAdditionalConditions.tsx

@@ -71,69 +71,88 @@ const CountsAdditionalConditions = ({ params, update }: {
   const dialogue = useDialogue ()
   const conditions = readCountState<CountsCondition[]> (params, 'conditions', [])
   const metadata = definition.filterFields ?? definition.fields
+  const fields = metadata.filter (field => field.operators.length > 0)
   const fieldName = (key: string) => (metadata.find (item => item.key === key)?.labels
       ?? [countsFieldLabel (key)]).map (key => message (key).text).join (' › ')
-  const write = (next: CountsCondition[]) => update ('conditions', encodeCountState ('conditions', next))
+  const write = (next: CountsCondition[]) => update (
+      'conditions', encodeCountState ('conditions', next))
+  const replace = (index: number, condition: CountsCondition) => write (
+      conditions.map ((item, position) => position === index ? condition : item))
+  const patch = (index: number, change: Partial<CountsCondition>) =>
+      replace (index, { ...conditions[index], ...change })
   const edit = (index?: number) => {
     const initial = index == null ? undefined : conditions[index]
     const save = (condition: CountsCondition) => {
-      write (index == null ? [...conditions, condition]
-          : conditions.map ((item, position) => position === index ? condition : item))
+      if (index == null) write ([...conditions, condition])
+      else replace (index, condition)
     }
-    dialogue.form ({ title: label ('additionalConditions'), footerLayout: 'inline',
-        body: controls => <ConditionEditor definition={definition}
-            initial={initial} controls={controls} save={save}/> })
+    void dialogue.form ({ title: label ('additionalConditions'), footerLayout: 'inline',
+	body: controls => <ConditionEditor definition={definition}
+	    initial={initial} controls={controls} save={save}/> })
   }
-  const patch = (index: number, change: Partial<CountsCondition>) => write (
-      conditions.map ((item, position) => position === index ? { ...item, ...change } : item))
   const valueInput = (condition: CountsCondition, index: number, key: 'value' | 'end') => {
     const type = countsFilterFields (definition)[condition.field]
-    const aria = message (key === 'end' ? 'through' : 'value')
+    const aria = message (key === 'end' ? 'through'
+	: (condition.operator === 'range' ? 'from' : 'value'))
     if (type === 'boolean' || condition.field === 'event_type')
     {
       const options: string[] = type === 'boolean' ? ['true', 'false'] : [...countsEventTypes]
       const namespace = type === 'boolean' ? 'truthValues' : 'events'
-      return <select key={key} value={condition[key] ?? ''} disabled={condition.blank}
-          className={inputClass (false, 'w-36 py-1')} aria-label={aria.text}
-          onChange={event => patch (index, { [key]: event.target.value })}>
-        <option value=""/>
-        {options.map (value => <option key={value} value={value}
-            lang={message (`${namespace}.${value}`).language}>
-          {message (`${namespace}.${value}`).text}</option>)}
+      return <select value={condition[key] ?? ''} disabled={condition.blank}
+	  className={inputClass (false, 'h-7 w-36 min-w-0 max-w-full py-1')}
+	  aria-label={aria.text}
+	  lang={aria.language}
+	  onChange={event => patch (index, { [key]: event.target.value })}>
+	<option value=""/>
+	{options.map (value => <option key={value} value={value}
+	    lang={message (`${namespace}.${value}`).language}>
+	  {message (`${namespace}.${value}`).text}</option>)}
       </select>
     }
     if (type === 'datetime')
-      return <DateTimeField precision="second" key={key}
-          value={condition[key] ?? ''} disabled={condition.blank}
-          aria-label={aria.text} lang={aria.language}
-          onChange={value => patch (index, { [key]: value ?? '' })}/>
-    return <input key={key} value={condition[key] ?? ''} disabled={condition.blank}
-        type={(type === 'integer' || type === 'interval') ? 'number' : 'text'}
-        className={inputClass (false, 'w-36 py-1')}
-        aria-label={aria.text} lang={aria.language}
-        onChange={event => patch (index, { [key]: event.target.value })}/>
+      return <DateTimeField precision="second" className="h-7 w-48 min-w-0 max-w-full py-1"
+	  value={condition[key] ?? ''} disabled={condition.blank}
+	  aria-label={aria.text} lang={aria.language}
+	  onChange={value => patch (index, { [key]: value ?? '' })}/>
+    return <input value={condition[key] ?? ''} disabled={condition.blank}
+	type={(type === 'integer' || type === 'interval') ? 'number' : 'text'}
+	className={inputClass (false, 'h-7 w-36 min-w-0 max-w-full py-1')}
+	aria-label={aria.text} lang={aria.language}
+	onChange={event => patch (index, { [key]: event.target.value })}/>
   }
-  return <fieldset className="space-y-1">
+  return <fieldset className="min-w-0 space-y-1">
     <legend className="flex items-center gap-2">{label ('additionalConditions')}
-      <Button type="button" variant="outline" size="sm" onClick={() => edit ()}>
-        {label ('add')}</Button></legend>
-    {conditions.map ((condition, index) => {
-      return <div key={index} className="flex flex-wrap items-center gap-1">
-        <button type="button" onClick={() => edit (index)}>
-	  {fieldName (condition.field)}
-	  {' · '}{label (`operators.${condition.operator}`)}
-        </button>
-        {(condition.operator === 'range' ? ['value', 'end'] as const : ['value'] as const)
-	    .map (key => valueInput (condition, index, key))}
-        <label className="inline-flex items-center gap-1">
-          <input type="checkbox" checked={condition.blank ?? false}
-              onChange={event => patch (index, { blank: event.target.checked })}/>
-          {label ('blank')}</label>
-        <button type="button" aria-label={message ('remove').text}
-	    onClick={() => write (conditions.filter (
-		(_, position) => index !== position))}>×</button>
-      </div>
-    })}
+      <Button type="button" variant="outline" size="sm" disabled={fields.length === 0}
+	  onClick={() => edit ()}>{label ('add')}</Button></legend>
+    {conditions.map ((condition, index) => (
+	<div key={index} className="flex min-w-0 flex-wrap items-center gap-x-2 gap-y-1
+	    border-b border-slate-200 py-1 dark:border-slate-700">
+	  <Button type="button" variant="ghost" size="sm" onClick={() => edit (index)}
+	      aria-label={`${fieldName (condition.field)} ${message (
+		  `operators.${condition.operator}`).text}`}
+	      className="h-7 min-w-0 max-w-full justify-start gap-2 whitespace-normal px-1 text-left">
+	    <span className="min-w-0 break-words">{fieldName (condition.field)}</span>
+	    {condition.operator !== 'range' && <span aria-hidden="true" className="shrink-0">
+	      {label (`operatorSymbols.${condition.operator}`)}</span>}
+	  </Button>
+	  <div className="inline-flex min-w-0 max-w-full items-center gap-1">
+	    {valueInput (condition, index, 'value')}
+	    {condition.operator === 'range' && <>
+	      <span aria-hidden="true" className="shrink-0">{label ('operatorSymbols.range')}</span>
+	      {valueInput (condition, index, 'end')}
+	    </>}
+	  </div>
+	  <div className="inline-flex shrink-0 items-center gap-1">
+	    <label className="inline-flex items-center gap-1 text-sm">
+	      <input type="checkbox" checked={condition.blank ?? false}
+		  onChange={event => patch (index, { blank: event.target.checked })}/>
+	      {label ('blank')}</label>
+	    <Button type="button" variant="ghost" size="sm" className="h-7 px-1"
+		aria-label={message ('remove').text}
+		onClick={() => write (conditions.filter ((_, position) => index !== position))}>
+	      ×</Button>
+	  </div>
+	</div>))}
   </fieldset>
 }
 

frontend/src/components/counts/CountsControls.tsx

@@ -150,6 +150,13 @@ const CountsControls = (
     <fieldset className="flex flex-wrap items-center gap-x-3 gap-y-1 border-b py-1
 	dark:border-slate-700">
       <legend className="sr-only">{label ('displaySettings')}</legend>
+      <label className="inline-flex items-center gap-1 text-sm">
+	{label ('fields.limit')}
+	<input value={draft.get ('limit') ?? '20'}
+	    aria-label={message ('fields.limit').text}
+	    className={inputClass (false, 'w-20 py-1')}
+	    onChange={event => update ('limit', event.target.value)}/>
+      </label>
       <label className="inline-flex items-center gap-1 text-sm">
 	<input type="checkbox" checked={draft.get ('row_numbers') === '1'}
 	    onChange={event => {
@@ -172,10 +179,10 @@ const CountsControls = (
       </label>}
     </fieldset>
     <AnimatedCollapse id={id} open={open}>
-    <div className="max-h-[35dvh] overflow-y-auto overscroll-contain
-        border-b py-2 dark:border-slate-700 md:max-h-[40dvh]">
-      <div className="grid gap-3 md:grid-cols-2">
-        <fieldset className="min-w-0" data-counts-output>
+    <div className="grid gap-3 border-b py-2 dark:border-slate-700 md:grid-cols-2">
+      <div className="max-h-[20dvh] min-h-0 min-w-0 overflow-y-auto overscroll-contain
+	  md:max-h-[40dvh]" style={{ direction: 'rtl' }}>
+        <fieldset className="min-w-0" data-counts-output style={{ direction: 'ltr' }}>
 	  {mode === 'summary' ? <CountsAxes params={draft} update={update}/>
               : <>
                 <legend className="mb-1 font-semibold">{label ('output')}</legend>
@@ -185,6 +192,9 @@ const CountsControls = (
                 }}/>
               </>}
         </fieldset>
+      </div>
+      <div className="max-h-[20dvh] min-h-0 min-w-0 overflow-y-auto overscroll-contain
+	  md:max-h-[40dvh]" style={{ direction: 'ltr' }}>
         <fieldset className="min-w-0 space-y-2" data-counts-filters>
           <legend className="font-semibold">{label ('filters')}</legend>
 	  {history && <div className="flex min-w-0 max-w-full items-center gap-1">
@@ -197,12 +207,12 @@ const CountsControls = (
 		className="min-w-0 flex-1" onChange={value => update ('through', value ?? '')}/>
 	  </div>}
           <div className="flex flex-wrap gap-2">
-            {['resource_id', 'user_id', 'limit'].map (key => <FormField key={key}
+            {['resource_id', 'user_id'].map (key => <FormField key={key}
                 label={label (key === 'resource_id' ? 'columns.resourceId'
-                    : (key === 'user_id' ? 'fields.actor' : 'fields.limit'))}>
-              {() => <input value={draft.get (key) ?? (key === 'limit' ? '20' : '')}
+                    : 'fields.actor')}>
+              {() => <input value={draft.get (key) ?? ''}
                   aria-label={message (key === 'resource_id' ? 'columns.resourceId'
-                      : (key === 'user_id' ? 'fields.actor' : 'fields.limit')).text}
+                      : 'fields.actor').text}
                   className={inputClass (false, 'w-28 py-1')}
                   onChange={event => update (key, event.target.value)}/>}
             </FormField>)}

frontend/src/components/counts/CountsSelectableTable.tsx

@@ -1,4 +1,5 @@
 import { useCallback, useEffect, useId, useLayoutEffect, useMemo, useRef, useState } from 'react'
+import { createPortal } from 'react-dom'
 
 import CountsCellMenu from '@/components/counts/CountsCellMenu'
 import { countsClipboard, writeCountsClipboard } from '@/lib/countsClipboard'
@@ -13,6 +14,8 @@ import type { CountsMenuAction } from '@/components/counts/CountsCellMenu'
 
 type Point = { row: number; column: number }
 type Selection = { identity: string; anchor: Point; end: Point }
+type TextMode = { identity: string; cell: HTMLTableCellElement; nodes: Node[] }
+type Caret = { cell: HTMLTableCellElement; left: number; top: number; height: number }
 const interactive = 'a,button,input,select,textarea,summary,[contenteditable],[data-counts-resize]'
 
 
@@ -53,7 +56,10 @@ const CountsSelectableTable = (
 ) => {
   const id = useId ()
   const root = useRef<HTMLTableElement> (null)
-  const textCell = useRef<HTMLTableCellElement | null> (null)
+  const [textMode, setTextMode] = useState<TextMode | null> (null)
+  const textCell = textMode?.identity === identity ? textMode.cell : null
+  const [caret, setCaret] = useState<Caret | null> (null)
+  const mousePress = useRef<{ x: number; y: number } | null> (null)
   const dragging = useRef (false)
   const touchArmed = useRef (false)
   const touchPress = useRef<{ x: number; y: number
@@ -66,20 +72,95 @@ const CountsSelectableTable = (
   const layout = useCountsTableLayout ()
   const { label, message } = useUITranslation ('counts')
   const clearTextSelection = useCallback (() => {
-    const cell = textCell.current
-    if (cell == null) return
-    delete cell.dataset.countsText
-    const text = window.getSelection ()
-    if (text != null && cell.contains (text.anchorNode)) text.removeAllRanges ()
-    textCell.current = null
+    setTextMode (null)
   }, [])
-  useEffect (() => () => clearTextSelection (), [identity, clearTextSelection])
+  useLayoutEffect (() => {
+    if (textMode == null) return
+    const { cell, nodes } = textMode
+    const table = root.current
+    if (table == null || textMode.identity !== identity || !table.contains (cell))
+    {
+      setTextMode (null)
+      return
+    }
+    cell.dataset.countsText = ''
+    table.focus ({ preventScroll: true })
+    const range = document.createRange ()
+    range.setStart (nodes[0], 0)
+    const last = nodes[nodes.length - 1]
+    range.setEnd (last, last.textContent?.length ?? 0)
+    const text = window.getSelection ()
+    text?.removeAllRanges ()
+    text?.addRange (range)
+    return () => {
+      delete cell.dataset.countsText
+      const text = window.getSelection ()
+      if (text != null && cell.contains (text.anchorNode)) text.removeAllRanges ()
+    }
+  }, [identity, textMode])
+  useLayoutEffect (() => {
+    if (textCell == null) return
+    const updateCaret = () => {
+      const text = window.getSelection ()
+      if (!document.hasFocus () || text == null || !text.isCollapsed || text.rangeCount === 0
+	  || !textCell.contains (text.focusNode))
+      {
+	setCaret (null)
+	return
+      }
+      const range = text.getRangeAt (0).cloneRange ()
+      const rect = range.getBoundingClientRect ()
+      const node = text.focusNode
+      const offset = text.focusOffset
+      const probe = range.cloneRange ()
+      if (rect.height === 0 && node?.nodeType === Node.TEXT_NODE && node.textContent)
+      {
+	if (offset < node.textContent.length) probe.setEnd (node, offset + 1)
+	else probe.setStart (node, offset - 1)
+      }
+      const bounds = rect.height > 0 ? rect : probe.getBoundingClientRect ()
+      if (bounds.height === 0)
+      {
+	setCaret (null)
+	return
+      }
+      const cell = textCell.getBoundingClientRect ()
+      const left = (rect.height === 0 && offset === node?.textContent?.length)
+	  ? bounds.right : bounds.left
+      setCaret ({ cell: textCell,
+	  left: left - cell.left - textCell.clientLeft + textCell.scrollLeft,
+	  top: bounds.top - cell.top - textCell.clientTop + textCell.scrollTop,
+	  height: bounds.height })
+    }
+    updateCaret ()
+    document.addEventListener ('selectionchange', updateCaret)
+    document.addEventListener ('scroll', updateCaret, true)
+    window.addEventListener ('resize', updateCaret)
+    window.addEventListener ('focus', updateCaret)
+    window.addEventListener ('blur', updateCaret)
+    return () => {
+      document.removeEventListener ('selectionchange', updateCaret)
+      document.removeEventListener ('scroll', updateCaret, true)
+      window.removeEventListener ('resize', updateCaret)
+      window.removeEventListener ('focus', updateCaret)
+      window.removeEventListener ('blur', updateCaret)
+    }
+  }, [textCell])
+  useEffect (() => {
+    if (textCell == null) return
+    const outside = (event: PointerEvent) => {
+      if (!textCell.contains (event.target as Node)) clearTextSelection ()
+    }
+    document.addEventListener ('pointerdown', outside, true)
+    return () => document.removeEventListener ('pointerdown', outside, true)
+  }, [clearTextSelection, textCell])
   const bounds = useMemo (() => selection == null ? null : {
       top: Math.min (selection.anchor.row, selection.end.row),
       bottom: Math.max (selection.anchor.row, selection.end.row),
       left: Math.min (selection.anchor.column, selection.end.column),
       right: Math.max (selection.anchor.column, selection.end.column) }, [selection])
   const finish = () => {
+    mousePress.current = null
     dragging.current = false
     touchArmed.current = false
     if (touchPress.current != null) clearTimeout (touchPress.current.timer)
@@ -98,6 +179,7 @@ const CountsSelectableTable = (
   }, [])
   useLayoutEffect (() => {
     if (root.current == null) return
+    if (textCell != null && !root.current.contains (textCell)) setTextMode (null)
     const grid = cellGrid (root.current)
     const assigned = new Set<HTMLTableCellElement> ()
     for (const [row, cells] of grid.entries ())
@@ -112,14 +194,14 @@ const CountsSelectableTable = (
         cell.id = `${id}-${row}-${column}`
         if (cell.getAttribute ('role') !== 'rowheader') cell.setAttribute ('role', 'gridcell')
         cell.setAttribute ('aria-selected', String (selected))
-        if (selected) cell.dataset.countsSelected = ''
+        if (selected && cell !== textCell) cell.dataset.countsSelected = ''
         else delete cell.dataset.countsSelected
       }
     }
     if (bounds != null)
       root.current.setAttribute ('aria-activedescendant', grid[bounds.bottom]?.[bounds.right]?.id ?? '')
     else root.current.removeAttribute ('aria-activedescendant')
-  }, [bounds, children, id])
+  }, [bounds, children, id, textCell])
   const pointFor = (element: Element | null, y?: number): Point | null => {
     const table = root.current
     if (table == null || element == null || !table.contains (element)) return null
@@ -140,6 +222,35 @@ const CountsSelectableTable = (
     }
     return null
   }
+  const enterTextSelection = (point: Point) => {
+    const table = root.current
+    const cell = table == null ? null : cellAt (table, point)
+    if (table == null || cell == null) return
+    // Structured cells retain their independent inner grid instead of selecting its UI.
+    const nested = cell.querySelector ('table')
+    if (nested != null)
+    {
+      nested.focus ({ preventScroll: true })
+      return
+    }
+    const walker = document.createTreeWalker (cell, NodeFilter.SHOW_TEXT, {
+	acceptNode: node => {
+	  const parent = node.parentElement
+	  const auxiliaryFlg = parent?.closest (
+	      '[hidden],[aria-hidden="true"],.sr-only,svg,[data-counts-resize]') != null
+	  return (parent?.closest ('table') === table && node.textContent?.trim ()
+	      && !auxiliaryFlg)
+	      ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_REJECT
+	} })
+    const nodes: Node[] = []
+    for (let node = walker.nextNode (); node != null; node = walker.nextNode ())
+      nodes.push (node)
+    if (nodes.length === 0) return
+    finish ()
+    clearTextSelection ()
+    setMenu (null)
+    setTextMode ({ identity, cell, nodes })
+  }
   const closeMenu = useCallback (() => {
     setMenu (null)
     root.current?.focus ({ preventScroll: true })
@@ -209,9 +320,9 @@ const CountsSelectableTable = (
   }
   const copy = (event: ClipboardEvent<HTMLTableElement>) => {
     const text = window.getSelection ()
-    if (textCell.current != null && text != null && !text.isCollapsed
-	&& textCell.current.contains (text.anchorNode)
-	&& textCell.current.contains (text.focusNode))
+    if (textCell != null && text != null && !text.isCollapsed
+	&& textCell.contains (text.anchorNode)
+	&& textCell.contains (text.focusNode))
     {
       event.stopPropagation ()
       return
@@ -254,21 +365,16 @@ const CountsSelectableTable = (
 	      const element = event.target as Element
 	      if (element.closest ('table') !== event.currentTarget
 		  || element.closest (interactive) != null) return
-	      const cell = element.closest ('td')
-	      if (cell == null) return
+	      if (textCell?.contains (element))
+	      {
+		event.stopPropagation ()
+		return
+	      }
+	      const point = pointFor (element, event.clientY)
+	      if (point == null) return
 	      event.preventDefault ()
 	      event.stopPropagation ()
-	      finish ()
-	      clearTextSelection ()
-	      setStored (null)
-	      setMenu (null)
-	      textCell.current = cell
-	      cell.dataset.countsText = ''
-	      const range = document.createRange ()
-	      range.selectNodeContents (cell)
-	      const text = window.getSelection ()
-	      text?.removeAllRanges ()
-	      text?.addRange (range)
+	      enterTextSelection (point)
 	    }}
 	    onClickCapture={event => {
 	      if ((event.target as Element).closest ('table') !== event.currentTarget
@@ -281,7 +387,7 @@ const CountsSelectableTable = (
 	      const element = event.target as Element
 	      if (element.closest ('table') !== event.currentTarget) return
 	      suppressClick.current = false
-	      if (textCell.current != null && textCell.current.contains (element))
+	      if (textCell != null && textCell.contains (element))
 	      {
 		event.stopPropagation ()
 		return
@@ -304,9 +410,7 @@ const CountsSelectableTable = (
 	      finish ()
 	      if (event.pointerType === 'mouse')
 	      {
-		event.preventDefault ()
-		dragging.current = true
-		event.currentTarget.setPointerCapture (event.pointerId)
+		mousePress.current = { x: event.clientX, y: event.clientY }
 	      }
 	      else
 	      {
@@ -323,10 +427,22 @@ const CountsSelectableTable = (
 	      }
 	    }}
 	    onPointerMove={event => {
+	      if (mousePress.current != null)
+	      {
+		if (event.buttons === 0) finish ()
+		else if (!dragging.current && Math.hypot (
+		    event.clientX - mousePress.current.x, event.clientY - mousePress.current.y) > 5)
+		{
+		  dragging.current = true
+		  suppressClick.current = true
+		  event.currentTarget.setPointerCapture (event.pointerId)
+		}
+	      }
 	      if (touchPress.current != null && !touchArmed.current && Math.hypot (
 		  event.clientX - touchPress.current.x, event.clientY - touchPress.current.y) > 8)
 		finish ()
 	      if (!dragging.current || event.buttons === 0) return
+	      event.preventDefault ()
 	      const point = pointFor (document.elementFromPoint (event.clientX, event.clientY), event.clientY)
 	      if (point == null) return
 	      if (touchArmed.current && touchPress.current != null
@@ -344,7 +460,7 @@ const CountsSelectableTable = (
 	    onContextMenu={event => {
 	      const element = event.target as Element
 	      if (element.closest ('table') !== event.currentTarget) return
-	      if (textCell.current != null && textCell.current.contains (element))
+	      if (textCell != null && textCell.contains (element))
 	      {
 		event.stopPropagation ()
 		return
@@ -357,7 +473,8 @@ const CountsSelectableTable = (
 	    }}
 	    onKeyDown={event => {
 	      if (event.target !== event.currentTarget) return
-	      if (event.key === 'ContextMenu' || (event.shiftKey && event.key === 'F10'))
+	      if (textCell == null
+		  && (event.key === 'ContextMenu' || (event.shiftKey && event.key === 'F10')))
 	      {
 		const point = selection?.end ?? { row: 0, column: 0 }
 		const rect = cellAt (event.currentTarget, point)?.getBoundingClientRect ()
@@ -370,11 +487,47 @@ const CountsSelectableTable = (
 	      }
 	      if (event.key === 'Escape')
 	      {
+		const textModeFlg = textCell != null
 		clearTextSelection ()
-		setStored (null)
+		if (!textModeFlg) setStored (null)
+		event.preventDefault ()
+		return
+	      }
+	      if (event.key === 'Enter' && textCell == null && selection != null)
+	      {
+		event.preventDefault ()
+		enterTextSelection (selection.end)
+		return
+	      }
+	      if (textCell != null)
+	      {
+		if (!['ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight'].includes (event.key)) return
+		const text = window.getSelection ()
+		if (text == null || typeof text.modify !== 'function') return
+		event.preventDefault ()
+		event.stopPropagation ()
+		const anchor = text.anchorNode
+		const offset = text.anchorOffset
+		const backward = event.key === 'ArrowLeft' || event.key === 'ArrowUp'
+		const vertical = event.key === 'ArrowUp' || event.key === 'ArrowDown'
+		const direction = vertical ? (backward ? 'backward' : 'forward')
+		    : (backward ? 'left' : 'right')
+		const grain = vertical ? 'line' : ((event.ctrlKey || event.metaKey) ? 'word' : 'character')
+		text.modify (event.shiftKey ? 'extend' : 'move', direction, grain)
+		if (!textCell.contains (text.focusNode))
+		{
+		  const nodes = textMode?.nodes.filter (node => textCell.contains (node)) ?? []
+		  const edge = backward ? nodes[0] : nodes[nodes.length - 1]
+		  if (edge != null)
+		  {
+		    const end = backward ? 0 : edge.textContent?.length ?? 0
+		    if (event.shiftKey && anchor != null && textCell.contains (anchor))
+		      text.setBaseAndExtent (anchor, offset, edge, end)
+		    else text.setPosition (edge, end)
+		  }
+		}
 		return
 	      }
-	      if (textCell.current != null) return
 	      if (!['ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight'].includes (event.key)) return
 	      const rows = event.currentTarget.tBodies[0]?.rows
 	      if (rows == null || rows.length === 0) return
@@ -391,11 +544,17 @@ const CountsSelectableTable = (
 	      cellAt (event.currentTarget, point)?.scrollIntoView ({
 		  block: 'nearest', inline: 'nearest' })
 	    }}>
-	  <caption id={`${id}-hint`} className="sr-only">{label ('selection.hint')}</caption>
+	  <caption className="sr-only">
+	    <span id={`${id}-hint`} className="sr-only">{label ('selection.hint')}</span>
+	    <span role="status">{textCell != null && label ('selection.textMode')}</span>
+	  </caption>
 	  <colgroup>{columns.map (key => (
 	      <col key={key} style={{ width: layout.width (family, key) }}/>))}</colgroup>
 	  {children}
 	</table>
+	{textCell != null && caret != null && caret.cell === textCell && createPortal (
+	    <span aria-hidden="true" className="counts-text-caret" style={{
+		left: caret.left, top: caret.top, height: caret.height }}/>, textCell)}
 	{menu?.identity === identity && <CountsCellMenu x={menu.x} y={menu.y}
 	    act={menuAction} close={closeMenu}/>}
       </CountsTableScope.Provider>)

frontend/src/components/counts/countsTable.css

@@ -3,11 +3,37 @@
 }
 
 .counts-grid > tbody > tr > td[data-counts-text] {
+  position: relative;
+  outline: 1px solid #64748b;
+  outline-offset: -1px;
   user-select: text;
   -webkit-user-select: text;
+  -webkit-touch-callout: default;
   cursor: text;
 }
 
+.dark .counts-grid > tbody > tr > td[data-counts-text] {
+  outline-color: #94a3b8;
+}
+
+.counts-text-caret {
+  position: absolute;
+  width: 1px;
+  background-color: currentColor;
+  pointer-events: none;
+  user-select: none;
+  animation: counts-caret-blink 1s step-end infinite;
+}
+
+@keyframes counts-caret-blink {
+  0%, 49% { opacity: 1; }
+  50%, 100% { opacity: 0; }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .counts-text-caret { animation: none; }
+}
+
 .counts-grid > tbody > tr:nth-child(odd) > td:not([data-counts-selected]) {
   @apply bg-white text-slate-900;
 }

frontend/src/locales/ja/counts.json

@@ -1,8 +1,8 @@
 {
   "titles": {
-    "posts": "広場の集計・明細",
-    "tags": "タグの集計・明細",
-    "nico_tags": "ニコニコタグの集計・明細",
+    "posts": "広場集計",
+    "tags": "タグ集計",
+    "nico_tags": "外部タグ集計",
     "tag_descriptions": "タグ説明の集計・明細",
     "tag_groups": "タググループの集計・明細",
     "materials": "素材の集計・明細"
@@ -99,6 +99,7 @@
   "notRegistered": "名称未登録",
   "selection": {
     "table": "集計・明細表",
+    "textMode": "文字列選択中",
     "hint": "クリックでセル選択、ドラッグまたは Shift＋クリックで範囲選択。タッチではセルを長押ししてドラッグ。Ctrl＋C／Cmd＋C でコピー。矢印キーで移動、Shift＋矢印キーで範囲を拡張、Escape で解除。",
     "copy": "コピー",
     "copyHeaders": "見出し付きコピー",
@@ -184,6 +185,16 @@
     "day": "日",
     "hour": "時"
   },
+  "operatorSymbols": {
+    "eq": "=",
+    "ne": "≠",
+    "gt": ">",
+    "lt": "<",
+    "ge": "≥",
+    "le": "≤",
+    "like": "LIKE",
+    "range": "～"
+  },
   "operators": {
     "eq": "等しい",
     "ne": "等しくない",

frontend/src/pages/CountsResourcePage.tsx

@@ -78,6 +78,7 @@ const CountsResourceContent = (
   const locale = useLocale ()
   const dialogue = useDialogue ()
   const { label, message } = useUITranslation ('counts')
+  const title = message (`titles.${resource}`)
   const mode = params.get ('mode') ?? 'summary'
   const state = isCountsState (params)
   const cacheParams = new URLSearchParams (request)
@@ -274,7 +275,7 @@ const CountsResourceContent = (
       <CountsTableLayout>
 	<div data-sidebar-container
 	    className="flex min-h-0 flex-1 flex-col overflow-hidden md:flex-row">
-	  <PageHead title={message (`titles.${resource}`)}/>
+	  <PageHead title={title} includeSiteName={false}/>
 	  <Button type="button" variant="ghost" size="sm" className="shrink-0 md:hidden"
 	      aria-expanded={sidebarOpen} aria-controls="counts-targets"
 	      onClick={() => setSidebarOpen (!sidebarOpen)}>{label ('target')}</Button>
@@ -319,7 +320,7 @@ const CountsResourceContent = (
 	    </nav>
 	  </SidebarComponent>
 	  <MainArea animateLayout={false} className="flex min-h-0 min-w-0 flex-col p-2">
-	    <PageTitle className="mb-1 text-base">{label (`titles.${resource}`)}</PageTitle>
+	    <PageTitle className="mb-1 text-base" lang={title.language}>{title.text}</PageTitle>
 	    <div ref={controlsArea} className="shrink-0"
 		style={{ minHeight: definition == null ? controlsHeight : undefined }}>
 	      {definition != null && <CountsControls key={`${resource}:${params.get ('definition')}`}