diff options
Diffstat (limited to 'web/src/selection.ts')
| -rw-r--r-- | web/src/selection.ts | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/web/src/selection.ts b/web/src/selection.ts deleted file mode 100644 index abaf8b5..0000000 --- a/web/src/selection.ts +++ /dev/null @@ -1,123 +0,0 @@ -import { - getRenderedCell, - RenderedCell, - RenderedGrid, -} from "./components/grid/renderGrid"; -import { CellRef, cellRefEquals } from "./types"; - -export abstract class Selection { - readonly gridId: string; - readonly activeCellRef: CellRef; - - constructor(gridId: string, activeCellRef: CellRef) { - this.gridId = gridId; - this.activeCellRef = activeCellRef; - } - - abstract extend(cellRef: CellRef): Selection; - - abstract getSelectedCells(grid: RenderedGrid): RenderedCell[][]; - - abstract startCellRef(): CellRef; - abstract endCellRef(): CellRef; -} - -export class ActiveCellSelection extends Selection { - extend(cellRef: CellRef): Selection { - if (cellRefEquals(cellRef, this.activeCellRef)) { - return this; - } - - return new RangeSelection(this.gridId, this.activeCellRef, [ - this.activeCellRef, - cellRef, - ]); - } - - getSelectedCells(grid: RenderedGrid): RenderedCell[][] { - return [[getRenderedCell(grid, this.activeCellRef)!]]; - } - - startCellRef(): CellRef { - return this.activeCellRef; - } - - endCellRef(): CellRef { - return this.activeCellRef; - } -} - -export type CellRange = [CellRef, CellRef]; - -export class RangeSelection extends Selection { - #range: CellRange; - - get range() { - return this.#range; - } - - constructor(gridId: string, activeCellRef: CellRef, range: CellRange) { - super(gridId, activeCellRef); - this.#range = range; - } - - extend(cellRef: CellRef): Selection { - if (cellRefEquals(cellRef, this.activeCellRef)) { - return new ActiveCellSelection(this.gridId, cellRef); - } - - return new RangeSelection(this.gridId, this.activeCellRef, [ - this.#range[0], - cellRef, - ]); - } - - getSelectedCells(grid: RenderedGrid): RenderedCell[][] { - const startCell = getRenderedCell(grid, this.range[0]); - const endCell = getRenderedCell(grid, this.range[1]); - - if (!startCell || !endCell) return []; - - const firstRowIndex = Math.min( - startCell.renderedRowIndex, - endCell.renderedRowIndex, - ); - - const lastRowIndex = Math.max( - startCell.renderedRowIndex, - endCell.renderedRowIndex, - ); - - const startRatio = - startCell.startRatio.compare(endCell.startRatio) <= 0 - ? startCell.startRatio - : endCell.startRatio; - - const endRatio = - startCell.endRatio.compare(endCell.endRatio) >= 0 - ? startCell.endRatio - : endCell.endRatio; - - return grid.renderedRows - .slice(firstRowIndex, lastRowIndex + 1) - .map((row) => { - const firstCellIndex = row.renderedCells.findIndex( - (cell) => cell.startRatio.compare(startRatio) >= 0, - ); - - const lastCellIndex = row.renderedCells.findLastIndex( - (cell) => cell.endRatio.compare(endRatio) <= 0, - ); - - return row.renderedCells.slice(firstCellIndex, lastCellIndex + 1); - }); - } - - startCellRef(): CellRef { - return this.range[0]; - } - - endCellRef(): CellRef { - return this.range[1]; - } -} |
