@mui/x-data-grid
Version:
The Community plan edition of the Data Grid components (MUI X).
116 lines (114 loc) • 4.35 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.useGridColumnSpanning = void 0;
var React = _interopRequireWildcard(require("react"));
var _useGridApiMethod = require("../../utils/useGridApiMethod");
var _useGridApiEventHandler = require("../../utils/useGridApiEventHandler");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
/**
* @requires useGridColumns (method, event)
* @requires useGridParamsApi (method)
*/
const useGridColumnSpanning = apiRef => {
const lookup = React.useRef({});
const getCellColSpanInfo = (rowId, columnIndex) => {
return lookup.current[rowId]?.[columnIndex];
};
// Calculate `colSpan` for each cell in the row
const calculateColSpan = React.useCallback(({
rowId,
minFirstColumn,
maxLastColumn,
columns
}) => {
for (let i = minFirstColumn; i < maxLastColumn; i += 1) {
const cellProps = calculateCellColSpan({
apiRef,
lookup: lookup.current,
columnIndex: i,
rowId,
minFirstColumnIndex: minFirstColumn,
maxLastColumnIndex: maxLastColumn,
columns
});
if (cellProps.colSpan > 1) {
i += cellProps.colSpan - 1;
}
}
}, [apiRef]);
const columnSpanningPublicApi = {
unstable_getCellColSpanInfo: getCellColSpanInfo
};
const columnSpanningPrivateApi = {
calculateColSpan
};
(0, _useGridApiMethod.useGridApiMethod)(apiRef, columnSpanningPublicApi, 'public');
(0, _useGridApiMethod.useGridApiMethod)(apiRef, columnSpanningPrivateApi, 'private');
const handleColumnReorderChange = React.useCallback(() => {
// `colSpan` needs to be recalculated after column reordering
lookup.current = {};
}, []);
(0, _useGridApiEventHandler.useGridApiEventHandler)(apiRef, 'columnOrderChange', handleColumnReorderChange);
};
exports.useGridColumnSpanning = useGridColumnSpanning;
function calculateCellColSpan(params) {
const {
apiRef,
lookup,
columnIndex,
rowId,
minFirstColumnIndex,
maxLastColumnIndex,
columns
} = params;
const columnsLength = columns.length;
const column = columns[columnIndex];
const row = apiRef.current.getRow(rowId);
const value = apiRef.current.getRowValue(row, column);
const colSpan = typeof column.colSpan === 'function' ? column.colSpan(value, row, column, apiRef) : column.colSpan;
if (!colSpan || colSpan === 1) {
setCellColSpanInfo(lookup, rowId, columnIndex, {
spannedByColSpan: false,
cellProps: {
colSpan: 1,
width: column.computedWidth
}
});
return {
colSpan: 1
};
}
let width = column.computedWidth;
for (let j = 1; j < colSpan; j += 1) {
const nextColumnIndex = columnIndex + j;
// Cells should be spanned only within their column section (left-pinned, right-pinned and unpinned).
if (nextColumnIndex >= minFirstColumnIndex && nextColumnIndex < maxLastColumnIndex) {
const nextColumn = columns[nextColumnIndex];
width += nextColumn.computedWidth;
setCellColSpanInfo(lookup, rowId, columnIndex + j, {
spannedByColSpan: true,
rightVisibleCellIndex: Math.min(columnIndex + colSpan, columnsLength - 1),
leftVisibleCellIndex: columnIndex
});
}
setCellColSpanInfo(lookup, rowId, columnIndex, {
spannedByColSpan: false,
cellProps: {
colSpan,
width
}
});
}
return {
colSpan
};
}
function setCellColSpanInfo(lookup, rowId, columnIndex, cellColSpanInfo) {
if (!lookup[rowId]) {
lookup[rowId] = {};
}
lookup[rowId][columnIndex] = cellColSpanInfo;
}