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import { Cell, CellKey } from "./attributes"; |
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|
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export function tableHasRowSpanningCells( |
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cells: Record<CellKey, Cell> |
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): boolean { |
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return Object.values(cells).some(cell => (cell.span?.rowSpan || 1) > 1); |
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} |
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|
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export function getTotalPages( |
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totalRows: number, |
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pageSize: number, |
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headerEnabled: boolean, |
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footerEnabled: boolean |
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): number { |
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let dataRows = totalRows; |
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if (headerEnabled) dataRows--; |
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if (footerEnabled) dataRows--; |
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|
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if (dataRows <= 0) return 1; |
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if (pageSize <= 0) return 1; |
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|
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return Math.ceil(dataRows / pageSize); |
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} |
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|
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export function getPagedRowIndices( |
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totalRows: number, |
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pageSize: number, |
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currentPage: number, |
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headerEnabled: boolean, |
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footerEnabled: boolean |
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): number[] { |
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const result: number[] = []; |
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|
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if (headerEnabled) { |
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result.push(0); |
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} |
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|
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const dataStartRow = headerEnabled ? 1 : 0; |
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const dataEndRow = footerEnabled ? totalRows - 2 : totalRows - 1; |
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const dataRowCount = dataEndRow - dataStartRow + 1; |
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|
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if (dataRowCount > 0 && pageSize > 0) { |
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const pageStartIndex = currentPage * pageSize; |
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const pageEndIndex = Math.min( |
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pageStartIndex + pageSize - 1, |
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dataRowCount - 1 |
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); |
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|
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for (let i = pageStartIndex; i <= pageEndIndex; i++) { |
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result.push(dataStartRow + i); |
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} |
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} |
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|
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if (footerEnabled) { |
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result.push(totalRows - 1); |
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} |
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|
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return result; |
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} |
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|
