| 1 | import { useCallback, useMemo, useState } from "react"; |
| 2 | |
| 3 | import { |
| 4 | buildFields, |
| 5 | createEmptyRow, |
| 6 | getDefaultSeriesChartType, |
| 7 | getInitialEditorState, |
| 8 | rowsToChartData, |
| 9 | type ChartDataField, |
| 10 | type ChartDataRow, |
| 11 | } from "./schemas"; |
| 12 | import { |
| 13 | type ChartDataMode, |
| 14 | type ChartDataType, |
| 15 | type SeriesChartType, |
| 16 | } from "./types"; |
| 17 | |
| 18 | function toNumber(value: string | number): number { |
| 19 | if (typeof value === "number") return Number.isFinite(value) ? value : 0; |
| 20 | const parsed = Number(value); |
| 21 | return Number.isFinite(parsed) ? parsed : 0; |
| 22 | } |
| 23 | |
| 24 | function toCellValue( |
| 25 | field: ChartDataField, |
| 26 | value: string | number, |
| 27 | ): string | number { |
| 28 | return field.type === "number" ? toNumber(value) : String(value); |
| 29 | } |
| 30 | |
| 31 | export function useChartEditor( |
| 32 | initialData: ChartDataType, |
| 33 | chartType: ChartDataMode, |
| 34 | initialSeriesChartTypes?: Record<string, SeriesChartType>, |
| 35 | ) { |
| 36 | const initialState = useMemo( |
| 37 | () => getInitialEditorState(initialData, chartType), |
| 38 | [chartType, initialData], |
| 39 | ); |
| 40 | const [rows, setRows] = useState<ChartDataRow[]>(initialState.rows); |
| 41 | const [labelKey] = useState(initialState.labelKey); |
| 42 | const [seriesNames, setSeriesNames] = useState<string[]>( |
| 43 | initialState.seriesNames, |
| 44 | ); |
| 45 | const [seriesChartTypes, setSeriesChartTypes] = useState< |
| 46 | Record<string, SeriesChartType> |
| 47 | >(() => { |
| 48 | if ( |
| 49 | initialSeriesChartTypes && |
| 50 | Object.keys(initialSeriesChartTypes).length > 0 |
| 51 | ) { |
| 52 | return initialSeriesChartTypes; |
| 53 | } |
| 54 | |
| 55 | return initialState.seriesNames.reduce<Record<string, SeriesChartType>>( |
| 56 | (types, seriesName, index) => { |
| 57 | types[seriesName] = getDefaultSeriesChartType(index); |
| 58 | return types; |
| 59 | }, |
| 60 | {}, |
| 61 | ); |
| 62 | }); |
| 63 | const [focusedCell, setFocusedCell] = useState<{ |
| 64 | row: number; |
| 65 | col: number; |
| 66 | } | null>(null); |
| 67 | |
| 68 | const hasZColumn = |
| 69 | initialState.schema.mode === "xyz" || |
| 70 | rows.some((row) => typeof row.z === "number"); |
| 71 | |
| 72 | const fields = useMemo( |
| 73 | () => buildFields(initialState.schema, labelKey, seriesNames, hasZColumn), |
| 74 | [hasZColumn, initialState.schema, labelKey, seriesNames], |
| 75 | ); |
| 76 | |
| 77 | const data = useMemo(() => rowsToChartData(rows), [rows]); |
| 78 | |
| 79 | const updateCell = useCallback( |
| 80 | (rowIndex: number, fieldKey: string, value: string | number) => { |
| 81 | const field = fields.find((candidate) => candidate.key === fieldKey); |
| 82 | if (!field) return; |
| 83 | |
| 84 | setRows((currentRows) => |
| 85 | currentRows.map((row, index) => |
| 86 | index === rowIndex |
| 87 | ? { ...row, [fieldKey]: toCellValue(field, value) } |
| 88 | : row, |
| 89 | ), |
| 90 | ); |
| 91 | }, |
| 92 | [fields], |
| 93 | ); |
| 94 | |
| 95 | const addRow = useCallback(() => { |
| 96 | setRows((currentRows) => [...currentRows, createEmptyRow(fields)]); |
| 97 | }, [fields]); |
| 98 | |
| 99 | const removeRow = useCallback((index: number) => { |
| 100 | setRows((currentRows) => |
| 101 | currentRows.length <= 1 |
| 102 | ? currentRows |
| 103 | : currentRows.filter((_, rowIndex) => rowIndex !== index), |
| 104 | ); |
| 105 | }, []); |
| 106 | |
| 107 | const addSeries = useCallback(() => { |
| 108 | const newSeriesName = `Series ${seriesNames.length + 1}`; |
| 109 | const nextSeriesNames = [...seriesNames, newSeriesName]; |
| 110 | setSeriesNames(nextSeriesNames); |
| 111 | setRows((currentRows) => |
| 112 | currentRows.map((row) => ({ |
| 113 | ...row, |
| 114 | [newSeriesName]: 0, |
| 115 | })), |
| 116 | ); |
| 117 | setSeriesChartTypes((currentTypes) => ({ |
| 118 | ...currentTypes, |
| 119 | [newSeriesName]: getDefaultSeriesChartType(seriesNames.length), |
| 120 | })); |
| 121 | }, [seriesNames]); |
| 122 | |
| 123 | const removeSeries = useCallback( |
| 124 | (seriesName: string) => { |
| 125 | if (seriesNames.length <= 1) return; |
| 126 | |
| 127 | setSeriesNames((currentNames) => |
| 128 | currentNames.filter((name) => name !== seriesName), |
| 129 | ); |
| 130 | setRows((currentRows) => |
| 131 | currentRows.map((row) => { |
| 132 | const { [seriesName]: _removed, ...rest } = row; |
| 133 | return rest; |
| 134 | }), |
| 135 | ); |
| 136 | setSeriesChartTypes((currentTypes) => { |
| 137 | const { [seriesName]: _removed, ...rest } = currentTypes; |
| 138 | return rest; |
| 139 | }); |
| 140 | }, |
| 141 | [seriesNames.length], |
| 142 | ); |
| 143 | |
| 144 | const renameSeries = useCallback( |
| 145 | (oldName: string, newName: string) => { |
| 146 | const trimmedName = newName.trim(); |
| 147 | if (!trimmedName || trimmedName === oldName) return; |
| 148 | if (seriesNames.includes(trimmedName)) return; |
| 149 | |
| 150 | setSeriesNames((currentNames) => |
| 151 | currentNames.map((name) => (name === oldName ? trimmedName : name)), |
| 152 | ); |
| 153 | setRows((currentRows) => |
| 154 | currentRows.map((row) => { |
| 155 | const { [oldName]: value, ...rest } = row; |
| 156 | return { ...rest, [trimmedName]: value ?? 0 }; |
| 157 | }), |
| 158 | ); |
| 159 | setSeriesChartTypes((currentTypes) => { |
| 160 | const { [oldName]: chartTypeForSeries, ...rest } = currentTypes; |
| 161 | return { |
| 162 | ...rest, |
| 163 | [trimmedName]: chartTypeForSeries ?? "bar", |
| 164 | }; |
| 165 | }); |
| 166 | }, |
| 167 | [seriesNames], |
| 168 | ); |
| 169 | |
| 170 | const updateSeriesChartType = useCallback( |
| 171 | (seriesName: string, newChartType: SeriesChartType) => { |
| 172 | setSeriesChartTypes((currentTypes) => ({ |
| 173 | ...currentTypes, |
| 174 | [seriesName]: newChartType, |
| 175 | })); |
| 176 | }, |
| 177 | [], |
| 178 | ); |
| 179 | |
| 180 | const addZColumn = useCallback(() => { |
| 181 | setRows((currentRows) => |
| 182 | currentRows.map((row) => ({ |
| 183 | ...row, |
| 184 | z: typeof row.z === "number" ? row.z : 10, |
| 185 | })), |
| 186 | ); |
| 187 | }, []); |
| 188 | |
| 189 | const removeZColumn = useCallback(() => { |
| 190 | if (initialState.schema.mode === "xyz") return; |
| 191 | |
| 192 | setRows((currentRows) => |
| 193 | currentRows.map((row) => { |
| 194 | const { z: _removed, ...rest } = row; |
| 195 | return rest; |
| 196 | }), |
| 197 | ); |
| 198 | }, [initialState.schema.mode]); |
| 199 | |
| 200 | return { |
| 201 | data: data as ChartDataType, |
| 202 | rows, |
| 203 | fields, |
| 204 | schema: initialState.schema, |
| 205 | seriesNames, |
| 206 | seriesChartTypes, |
| 207 | focusedCell, |
| 208 | setFocusedCell, |
| 209 | updateCell, |
| 210 | addRow, |
| 211 | removeRow, |
| 212 | addSeries, |
| 213 | removeSeries, |
| 214 | renameSeries, |
| 215 | updateSeriesChartType, |
| 216 | addZColumn, |
| 217 | removeZColumn, |
| 218 | hasZColumn, |
| 219 | labelKey, |
| 220 | }; |
| 221 | } |
| 222 |