b1cdb2531c
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Backend: add layout_metrics (avg_row_height_px, font_size_suggestion_px) to build-grid response for faithful grid reconstruction. Frontend: rewrite GridTable from HTML <table> to CSS Grid layout. Column widths are now proportional to the OCR-measured x_min/x_max positions. Row heights use the average content row height from the scan. Column and row resize via drag handles (Excel-like). Font: add Noto Sans (supports IPA characters) via next/font/google. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
432 lines
18 KiB
TypeScript
432 lines
18 KiB
TypeScript
'use client'
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import { useCallback, useEffect, useRef, useState } from 'react'
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import type { GridZone, LayoutMetrics } from './types'
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interface GridTableProps {
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zone: GridZone
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layoutMetrics?: LayoutMetrics
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selectedCell: string | null
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onSelectCell: (cellId: string) => void
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onCellTextChange: (cellId: string, text: string) => void
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onToggleColumnBold: (zoneIndex: number, colIndex: number) => void
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onToggleRowHeader: (zoneIndex: number, rowIndex: number) => void
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onNavigate: (cellId: string, direction: 'up' | 'down' | 'left' | 'right') => void
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}
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/** Gutter width for row numbers (px). */
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const ROW_NUM_WIDTH = 36
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/** Minimum column width in px so columns remain usable. */
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const MIN_COL_WIDTH = 40
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/** Minimum row height in px. */
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const MIN_ROW_HEIGHT = 26
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export function GridTable({
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zone,
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layoutMetrics,
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selectedCell,
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onSelectCell,
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onCellTextChange,
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onToggleColumnBold,
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onToggleRowHeader,
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onNavigate,
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}: GridTableProps) {
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const containerRef = useRef<HTMLDivElement>(null)
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const [containerWidth, setContainerWidth] = useState(0)
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// ----------------------------------------------------------------
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// Observe container width for scaling
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// ----------------------------------------------------------------
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useEffect(() => {
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const el = containerRef.current
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if (!el) return
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const ro = new ResizeObserver(([entry]) => {
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setContainerWidth(entry.contentRect.width)
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})
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ro.observe(el)
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return () => ro.disconnect()
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}, [])
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// ----------------------------------------------------------------
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// Compute column widths from OCR measurements
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// ----------------------------------------------------------------
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const zoneWidthPx = zone.bbox_px.w || layoutMetrics?.page_width_px || 1
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const scale = containerWidth > 0 ? (containerWidth - ROW_NUM_WIDTH) / zoneWidthPx : 1
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// Column widths in original pixels, then scaled to container
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const [colWidthOverrides, setColWidthOverrides] = useState<number[] | null>(null)
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const columnWidthsPx = zone.columns.map((col) => col.x_max_px - col.x_min_px)
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const effectiveColWidths = (colWidthOverrides ?? columnWidthsPx).map(
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(w) => Math.max(MIN_COL_WIDTH, w * scale),
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)
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// ----------------------------------------------------------------
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// Compute row heights from OCR measurements
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// ----------------------------------------------------------------
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const avgRowHeightPx = layoutMetrics?.avg_row_height_px ?? 30
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const [rowHeightOverrides, setRowHeightOverrides] = useState<Map<number, number>>(new Map())
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const getRowHeight = (rowIndex: number, isHeader: boolean): number => {
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if (rowHeightOverrides.has(rowIndex)) {
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return rowHeightOverrides.get(rowIndex)!
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}
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const row = zone.rows.find((r) => r.index === rowIndex)
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if (!row) return Math.max(MIN_ROW_HEIGHT, avgRowHeightPx * scale)
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if (isHeader) {
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// Headers keep their measured height
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const measuredH = row.y_max_px - row.y_min_px
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return Math.max(MIN_ROW_HEIGHT, measuredH * scale)
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}
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// Content rows use average for uniformity
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return Math.max(MIN_ROW_HEIGHT, avgRowHeightPx * scale)
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}
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// ----------------------------------------------------------------
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// Font size from layout metrics
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// ----------------------------------------------------------------
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const baseFontSize = layoutMetrics?.font_size_suggestion_px
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? Math.max(11, layoutMetrics.font_size_suggestion_px * scale)
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: 13
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// ----------------------------------------------------------------
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// Keyboard navigation
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// ----------------------------------------------------------------
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const handleKeyDown = useCallback(
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(e: React.KeyboardEvent, cellId: string) => {
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if (e.key === 'Tab') {
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e.preventDefault()
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onNavigate(cellId, e.shiftKey ? 'left' : 'right')
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} else if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault()
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onNavigate(cellId, 'down')
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} else if (e.key === 'ArrowUp' && e.altKey) {
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e.preventDefault()
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onNavigate(cellId, 'up')
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} else if (e.key === 'ArrowDown' && e.altKey) {
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e.preventDefault()
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onNavigate(cellId, 'down')
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} else if (e.key === 'Escape') {
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;(e.target as HTMLElement).blur()
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}
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},
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[onNavigate],
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)
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// ----------------------------------------------------------------
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// Cell lookup
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// ----------------------------------------------------------------
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const cellMap = new Map<string, (typeof zone.cells)[0]>()
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for (const cell of zone.cells) {
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cellMap.set(`${cell.row_index}_${cell.col_index}`, cell)
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}
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/** Dominant non-black color from a cell's word_boxes, or null. */
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const getCellColor = (cell: (typeof zone.cells)[0] | undefined): string | null => {
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if (!cell?.word_boxes?.length) return null
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for (const wb of cell.word_boxes) {
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if (wb.color_name && wb.color_name !== 'black' && wb.color) {
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return wb.color
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}
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}
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return null
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}
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// ----------------------------------------------------------------
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// Column resize (drag)
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// ----------------------------------------------------------------
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const handleColResizeStart = useCallback(
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(colIndex: number, startX: number) => {
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const baseWidths = colWidthOverrides ?? [...columnWidthsPx]
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const handleMouseMove = (e: MouseEvent) => {
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const deltaPx = (e.clientX - startX) / scale
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const newWidths = [...baseWidths]
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newWidths[colIndex] = Math.max(20, baseWidths[colIndex] + deltaPx)
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// Steal from next column to keep total constant
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if (colIndex + 1 < newWidths.length) {
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newWidths[colIndex + 1] = Math.max(20, baseWidths[colIndex + 1] - deltaPx)
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}
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setColWidthOverrides(newWidths)
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}
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const handleMouseUp = () => {
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document.removeEventListener('mousemove', handleMouseMove)
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document.removeEventListener('mouseup', handleMouseUp)
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document.body.style.cursor = ''
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document.body.style.userSelect = ''
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}
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document.body.style.cursor = 'col-resize'
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document.body.style.userSelect = 'none'
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document.addEventListener('mousemove', handleMouseMove)
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document.addEventListener('mouseup', handleMouseUp)
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},
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[colWidthOverrides, columnWidthsPx, scale],
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)
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// ----------------------------------------------------------------
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// Row resize (drag)
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// ----------------------------------------------------------------
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const handleRowResizeStart = useCallback(
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(rowIndex: number, startY: number, currentHeight: number) => {
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const handleMouseMove = (e: MouseEvent) => {
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const delta = e.clientY - startY
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const newH = Math.max(MIN_ROW_HEIGHT, currentHeight + delta)
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setRowHeightOverrides((prev) => {
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const next = new Map(prev)
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next.set(rowIndex, newH)
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return next
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})
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}
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const handleMouseUp = () => {
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document.removeEventListener('mousemove', handleMouseMove)
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document.removeEventListener('mouseup', handleMouseUp)
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document.body.style.cursor = ''
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document.body.style.userSelect = ''
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}
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document.body.style.cursor = 'row-resize'
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document.body.style.userSelect = 'none'
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document.addEventListener('mousemove', handleMouseMove)
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document.addEventListener('mouseup', handleMouseUp)
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},
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[],
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)
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const isBoxZone = zone.zone_type === 'box'
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const numCols = zone.columns.length
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// CSS Grid template for columns: row-number gutter + proportional columns
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const gridTemplateCols = `${ROW_NUM_WIDTH}px ${effectiveColWidths.map((w) => `${w.toFixed(1)}px`).join(' ')}`
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return (
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<div
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ref={containerRef}
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className={`overflow-x-auto ${isBoxZone ? 'border-2 border-gray-400 dark:border-gray-500 rounded-lg' : ''}`}
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>
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{/* Zone label */}
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<div className="flex items-center gap-2 px-2 py-1 text-xs text-gray-500 dark:text-gray-400">
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<span
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className={`inline-flex items-center gap-1 px-1.5 py-0.5 rounded text-[10px] font-medium ${
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isBoxZone
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? 'bg-amber-50 dark:bg-amber-900/20 text-amber-700 dark:text-amber-300 border border-amber-200 dark:border-amber-800'
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: 'bg-gray-50 dark:bg-gray-800 text-gray-500 dark:text-gray-400 border border-gray-200 dark:border-gray-700'
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}`}
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>
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{isBoxZone ? 'Box' : 'Inhalt'} Zone {zone.zone_index}
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</span>
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<span>
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{zone.columns.length} Spalten, {zone.rows.length} Zeilen, {zone.cells.length} Zellen
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</span>
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</div>
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{/* ============================================================ */}
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{/* CSS Grid — column headers */}
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{/* ============================================================ */}
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<div
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style={{
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display: 'grid',
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gridTemplateColumns: gridTemplateCols,
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fontFamily: "var(--font-noto-sans, 'Noto Sans'), 'Inter', system-ui, sans-serif",
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fontSize: `${baseFontSize}px`,
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}}
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>
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{/* Header: row-number corner */}
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<div className="sticky left-0 z-10 px-1 py-1.5 text-[10px] text-gray-400 dark:text-gray-500 border-b border-r border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800/50" />
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{/* Header: column labels with resize handles */}
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{zone.columns.map((col, ci) => (
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<div
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key={col.index}
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className={`relative px-2 py-1.5 text-xs font-medium border-b border-r border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800/50 cursor-pointer select-none transition-colors hover:bg-gray-100 dark:hover:bg-gray-700 ${
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col.bold ? 'text-teal-700 dark:text-teal-300' : 'text-gray-600 dark:text-gray-400'
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}`}
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onClick={() => onToggleColumnBold(zone.zone_index, col.index)}
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title={`Spalte ${col.index + 1} — Klick fuer Fett-Toggle`}
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>
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<div className="flex items-center gap-1 justify-center truncate">
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<span>{col.label}</span>
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{col.bold && (
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<span className="text-[9px] px-1 py-0 rounded bg-teal-100 dark:bg-teal-900/40 text-teal-600 dark:text-teal-400">
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B
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</span>
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)}
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</div>
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{/* Right-edge resize handle */}
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{ci < numCols - 1 && (
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<div
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className="absolute top-0 right-0 w-[5px] h-full cursor-col-resize hover:bg-teal-400/40 z-20"
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onMouseDown={(e) => {
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e.stopPropagation()
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handleColResizeStart(ci, e.clientX)
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}}
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/>
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)}
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</div>
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))}
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{/* ============================================================ */}
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{/* Data rows */}
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{/* ============================================================ */}
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{zone.rows.map((row) => {
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const rowH = getRowHeight(row.index, row.is_header)
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const isSpanning = zone.cells.some(
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(c) => c.row_index === row.index && c.col_type === 'spanning_header',
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)
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return (
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<div key={row.index} style={{ display: 'contents' }}>
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{/* Row number cell */}
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<div
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className={`relative sticky left-0 z-10 flex items-center justify-center text-[10px] border-b border-r border-gray-200 dark:border-gray-700 cursor-pointer select-none transition-colors hover:bg-gray-100 dark:hover:bg-gray-700 ${
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row.is_header
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? 'bg-blue-50 dark:bg-blue-900/20 text-blue-600 dark:text-blue-400 font-medium'
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: 'bg-gray-50 dark:bg-gray-800/50 text-gray-400 dark:text-gray-500'
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}`}
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style={{ height: `${rowH}px` }}
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onClick={() => onToggleRowHeader(zone.zone_index, row.index)}
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title={`Zeile ${row.index + 1} — Klick fuer Header-Toggle`}
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>
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{row.index + 1}
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{row.is_header && <span className="block text-[8px]">H</span>}
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{/* Bottom-edge resize handle */}
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<div
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className="absolute bottom-0 left-0 w-full h-[4px] cursor-row-resize hover:bg-teal-400/40 z-20"
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onMouseDown={(e) => {
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e.stopPropagation()
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handleRowResizeStart(row.index, e.clientY, rowH)
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}}
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/>
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</div>
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{/* Cells — spanning header or normal columns */}
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{isSpanning ? (
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<div
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className="border-b border-r border-gray-200 dark:border-gray-700 bg-blue-50/50 dark:bg-blue-900/10 flex items-center"
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style={{
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gridColumn: `2 / ${numCols + 2}`,
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height: `${rowH}px`,
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}}
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>
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{(() => {
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const spanCell = zone.cells.find(
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(c) => c.row_index === row.index && c.col_type === 'spanning_header',
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)
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if (!spanCell) return null
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const cellId = spanCell.cell_id
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const isSelected = selectedCell === cellId
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const cellColor = getCellColor(spanCell)
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return (
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<div className="flex items-center w-full">
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{cellColor && (
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<span
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className="flex-shrink-0 w-1.5 self-stretch rounded-l-sm"
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style={{ backgroundColor: cellColor }}
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/>
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)}
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<input
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id={`cell-${cellId}`}
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type="text"
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value={spanCell.text}
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onChange={(e) => onCellTextChange(cellId, e.target.value)}
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onFocus={() => onSelectCell(cellId)}
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onKeyDown={(e) => handleKeyDown(e, cellId)}
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className={`w-full px-3 py-1 bg-transparent border-0 outline-none text-center ${
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isSelected ? 'ring-2 ring-teal-500 ring-inset rounded' : ''
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}`}
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style={{ color: cellColor || undefined }}
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spellCheck={false}
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/>
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</div>
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)
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})()}
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</div>
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) : (
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zone.columns.map((col) => {
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const cell = cellMap.get(`${row.index}_${col.index}`)
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const cellId =
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cell?.cell_id ??
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`Z${zone.zone_index}_R${String(row.index).padStart(2, '0')}_C${col.index}`
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const isSelected = selectedCell === cellId
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const isBold = col.bold || cell?.is_bold
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const isLowConf = cell && cell.confidence > 0 && cell.confidence < 60
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const cellColor = getCellColor(cell)
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const hasColoredWords =
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cell?.word_boxes?.some(
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(wb) => wb.color_name && wb.color_name !== 'black',
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) ?? false
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return (
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<div
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key={col.index}
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className={`relative border-b border-r border-gray-200 dark:border-gray-700 flex items-center ${
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isSelected ? 'ring-2 ring-teal-500 ring-inset z-10' : ''
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} ${isLowConf ? 'bg-amber-50/50 dark:bg-amber-900/10' : ''} ${
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row.is_header ? 'bg-blue-50/50 dark:bg-blue-900/10' : ''
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}`}
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style={{ height: `${rowH}px` }}
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>
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{cellColor && (
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<span
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className="flex-shrink-0 w-1.5 self-stretch rounded-l-sm"
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style={{ backgroundColor: cellColor }}
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title={`Farbe: ${cell?.word_boxes?.find((wb) => wb.color_name !== 'black')?.color_name}`}
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/>
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)}
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{/* Per-word colored display when not editing */}
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{hasColoredWords && !isSelected ? (
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<div
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className={`w-full px-2 cursor-text truncate ${isBold ? 'font-bold' : 'font-normal'}`}
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onClick={() => {
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onSelectCell(cellId)
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setTimeout(() => document.getElementById(`cell-${cellId}`)?.focus(), 0)
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}}
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>
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{cell!.word_boxes!.map((wb, i) => (
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<span
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key={i}
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style={
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wb.color_name && wb.color_name !== 'black'
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? { color: wb.color }
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: undefined
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}
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>
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{wb.text}
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{i < cell!.word_boxes!.length - 1 ? ' ' : ''}
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</span>
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))}
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</div>
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) : (
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<input
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id={`cell-${cellId}`}
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type="text"
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value={cell?.text ?? ''}
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onChange={(e) => {
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if (cell) onCellTextChange(cellId, e.target.value)
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}}
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onFocus={() => onSelectCell(cellId)}
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onKeyDown={(e) => handleKeyDown(e, cellId)}
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className={`w-full px-2 bg-transparent border-0 outline-none ${
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isBold ? 'font-bold' : 'font-normal'
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}`}
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spellCheck={false}
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/>
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)}
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</div>
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)
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})
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)}
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</div>
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)
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})}
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</div>
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</div>
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)
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}
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