Files
IronCalc/webapp/IronCalc/src/components/worksheet.tsx
2025-02-07 19:15:55 +01:00

606 lines
17 KiB
TypeScript

import { type Model, columnNameFromNumber } from "@ironcalc/wasm";
import { styled } from "@mui/material/styles";
import { useEffect, useLayoutEffect, useRef, useState } from "react";
import CellContextMenu from "./CellContextMenu";
import {
COLUMN_WIDTH_SCALE,
ROW_HEIGH_SCALE,
outlineBackgroundColor,
outlineColor,
} from "./WorksheetCanvas/constants";
import WorksheetCanvas from "./WorksheetCanvas/worksheetCanvas";
import {
FORMULA_BAR_HEIGHT,
NAVIGATION_HEIGHT,
TOOLBAR_HEIGHT,
} from "./constants";
import Editor from "./editor/editor";
import type { Cell } from "./types";
import usePointer from "./usePointer";
import { AreaType, type WorkbookState } from "./workbookState";
function useWindowSize() {
const [size, setSize] = useState([0, 0]);
useLayoutEffect(() => {
function updateSize() {
setSize([window.innerWidth, window.innerHeight]);
}
window.addEventListener("resize", updateSize);
updateSize();
return () => window.removeEventListener("resize", updateSize);
}, []);
return size;
}
function Worksheet(props: {
model: Model;
workbookState: WorkbookState;
refresh: () => void;
}) {
const canvasElement = useRef<HTMLCanvasElement>(null);
const worksheetElement = useRef<HTMLDivElement>(null);
const scrollElement = useRef<HTMLDivElement>(null);
const editorElement = useRef<HTMLDivElement>(null);
const spacerElement = useRef<HTMLDivElement>(null);
const cellOutline = useRef<HTMLDivElement>(null);
const areaOutline = useRef<HTMLDivElement>(null);
const cellOutlineHandle = useRef<HTMLDivElement>(null);
const extendToOutline = useRef<HTMLDivElement>(null);
const columnResizeGuide = useRef<HTMLDivElement>(null);
const rowResizeGuide = useRef<HTMLDivElement>(null);
const columnHeaders = useRef<HTMLDivElement>(null);
const worksheetCanvas = useRef<WorksheetCanvas | null>(null);
const [contextMenuOpen, setContextMenuOpen] = useState(false);
const ignoreScrollEventRef = useRef(false);
const { model, workbookState, refresh } = props;
const [clientWidth, clientHeight] = useWindowSize();
useEffect(() => {
const canvasRef = canvasElement.current;
const columnGuideRef = columnResizeGuide.current;
const rowGuideRef = rowResizeGuide.current;
const columnHeadersRef = columnHeaders.current;
const worksheetRef = worksheetElement.current;
const outline = cellOutline.current;
const handle = cellOutlineHandle.current;
const area = areaOutline.current;
const extendTo = extendToOutline.current;
const editor = editorElement.current;
if (
!canvasRef ||
!columnGuideRef ||
!rowGuideRef ||
!columnHeadersRef ||
!worksheetRef ||
!outline ||
!handle ||
!area ||
!extendTo ||
!scrollElement.current ||
!editor
)
return;
// FIXME: This two need to be computed.
model.setWindowWidth(clientWidth - 37);
model.setWindowHeight(clientHeight - 190);
const canvas = new WorksheetCanvas({
width: worksheetRef.clientWidth,
height: worksheetRef.clientHeight,
model,
workbookState,
elements: {
canvas: canvasRef,
columnGuide: columnGuideRef,
rowGuide: rowGuideRef,
columnHeaders: columnHeadersRef,
cellOutline: outline,
cellOutlineHandle: handle,
areaOutline: area,
extendToOutline: extendTo,
editor: editor,
},
onColumnWidthChanges(sheet, column, width) {
if (width < 0) {
return;
}
model.setColumnWidth(sheet, column, width);
worksheetCanvas.current?.renderSheet();
},
onRowHeightChanges(sheet, row, height) {
if (height < 0) {
return;
}
model.setRowHeight(sheet, row, height);
worksheetCanvas.current?.renderSheet();
},
});
const scrollX = model.getScrollX();
const scrollY = model.getScrollY();
const [sheetWidth, sheetHeight] = [scrollX + 100_000, scrollY + 500_000];
if (spacerElement.current) {
spacerElement.current.style.height = `${sheetHeight}px`;
spacerElement.current.style.width = `${sheetWidth}px`;
}
const left = scrollElement.current.scrollLeft;
const top = scrollElement.current.scrollTop;
if (scrollX !== left) {
ignoreScrollEventRef.current = true;
scrollElement.current.scrollLeft = scrollX;
setTimeout(() => {
ignoreScrollEventRef.current = false;
}, 0);
}
if (scrollY !== top) {
ignoreScrollEventRef.current = true;
scrollElement.current.scrollTop = scrollY;
setTimeout(() => {
ignoreScrollEventRef.current = false;
}, 0);
}
canvas.renderSheet();
worksheetCanvas.current = canvas;
});
const { onPointerMove, onPointerDown, onPointerHandleDown, onPointerUp } =
usePointer({
model,
workbookState,
refresh,
onCellSelected: (cell: Cell, event: React.MouseEvent) => {
event.preventDefault();
event.stopPropagation();
model.setSelectedCell(cell.row, cell.column);
refresh();
},
onAreaSelecting: (cell: Cell) => {
const canvas = worksheetCanvas.current;
if (!canvas) {
return;
}
const { row, column } = cell;
model.onAreaSelecting(row, column);
canvas.renderSheet();
refresh();
},
onAreaSelected: () => {
const styles = workbookState.getCopyStyles();
if (styles?.length) {
model.onPasteStyles(styles);
const canvas = worksheetCanvas.current;
if (!canvas) {
return;
}
canvas.renderSheet();
}
workbookState.setCopyStyles(null);
if (worksheetElement.current) {
worksheetElement.current.style.cursor = "auto";
}
refresh();
},
onExtendToCell: (cell) => {
const canvas = worksheetCanvas.current;
if (!canvas) {
return;
}
const { row, column } = cell;
const {
range: [rowStart, columnStart, rowEnd, columnEnd],
} = model.getSelectedView();
// We are either extending by rows or by columns
// And we could be doing it in the positive direction (downwards or right)
// or the negative direction (upwards or left)
if (
row > rowEnd &&
((column <= columnEnd && column >= columnStart) ||
(column < columnStart && columnStart - column < row - rowEnd) ||
(column > columnEnd && column - columnEnd < row - rowEnd))
) {
// rows downwards
const area = {
type: AreaType.rowsDown,
rowStart: rowEnd + 1,
rowEnd: row,
columnStart,
columnEnd,
};
workbookState.setExtendToArea(area);
canvas.renderSheet();
} else if (
row < rowStart &&
((column <= columnEnd && column >= columnStart) ||
(column < columnStart && columnStart - column < rowStart - row) ||
(column > columnEnd && column - columnEnd < rowStart - row))
) {
// rows upwards
const area = {
type: AreaType.rowsUp,
rowStart: row,
rowEnd: rowStart,
columnStart,
columnEnd,
};
workbookState.setExtendToArea(area);
canvas.renderSheet();
} else if (
column > columnEnd &&
((row <= rowEnd && row >= rowStart) ||
(row < rowStart && rowStart - row < column - columnEnd) ||
(row > rowEnd && row - rowEnd < column - columnEnd))
) {
// columns right
const area = {
type: AreaType.columnsRight,
rowStart,
rowEnd,
columnStart: columnEnd + 1,
columnEnd: column,
};
workbookState.setExtendToArea(area);
canvas.renderSheet();
} else if (
column < columnStart &&
((row <= rowEnd && row >= rowStart) ||
(row < rowStart && rowStart - row < columnStart - column) ||
(row > rowEnd && row - rowEnd < columnStart - column))
) {
// columns left
const area = {
type: AreaType.columnsLeft,
rowStart,
rowEnd,
columnStart: column,
columnEnd: columnStart,
};
workbookState.setExtendToArea(area);
canvas.renderSheet();
}
},
onExtendToEnd: () => {
const canvas = worksheetCanvas.current;
if (!canvas) {
return;
}
const { sheet, range } = model.getSelectedView();
const extendedArea = workbookState.getExtendToArea();
if (!extendedArea) {
return;
}
const rowStart = Math.min(range[0], range[2]);
const height = Math.abs(range[2] - range[0]) + 1;
const width = Math.abs(range[3] - range[1]) + 1;
const columnStart = Math.min(range[1], range[3]);
const area = {
sheet,
row: rowStart,
column: columnStart,
width,
height,
};
switch (extendedArea.type) {
case AreaType.rowsDown:
model.autoFillRows(area, extendedArea.rowEnd);
break;
case AreaType.rowsUp: {
model.autoFillRows(area, extendedArea.rowStart);
break;
}
case AreaType.columnsRight: {
model.autoFillColumns(area, extendedArea.columnEnd);
break;
}
case AreaType.columnsLeft: {
model.autoFillColumns(area, extendedArea.columnStart);
break;
}
}
model.setSelectedRange(
Math.min(rowStart, extendedArea.rowStart),
Math.min(columnStart, extendedArea.columnStart),
Math.max(rowStart + height - 1, extendedArea.rowEnd),
Math.max(columnStart + width - 1, extendedArea.columnEnd),
);
workbookState.clearExtendToArea();
canvas.renderSheet();
},
canvasElement,
worksheetElement,
worksheetCanvas,
});
const onScroll = (): void => {
if (!scrollElement.current || !worksheetCanvas.current) {
return;
}
if (ignoreScrollEventRef.current) {
// Programmatic scroll ignored
return;
}
const left = scrollElement.current.scrollLeft;
const top = scrollElement.current.scrollTop;
worksheetCanvas.current.setScrollPosition({ left, top });
worksheetCanvas.current.renderSheet();
};
return (
<Wrapper ref={scrollElement} onScroll={onScroll} className="scroll">
<Spacer ref={spacerElement} />
<SheetContainer
className="sheet-container"
ref={worksheetElement}
onPointerDown={onPointerDown}
onPointerMove={onPointerMove}
onPointerUp={onPointerUp}
onContextMenu={(event) => {
event.preventDefault();
event.stopPropagation();
setContextMenuOpen(true);
}}
onDoubleClick={(event) => {
// Starts editing cell
const { sheet, row, column } = model.getSelectedView();
const text = model.getCellContent(sheet, row, column);
const editorWidth =
model.getColumnWidth(sheet, column) * COLUMN_WIDTH_SCALE;
const editorHeight = model.getRowHeight(sheet, row) * ROW_HEIGH_SCALE;
workbookState.setEditingCell({
sheet,
row,
column,
text,
cursorStart: text.length,
cursorEnd: text.length,
focus: "cell",
referencedRange: null,
activeRanges: [],
mode: "accept",
editorWidth,
editorHeight,
});
event.stopPropagation();
// event.preventDefault();
props.refresh();
}}
>
<SheetCanvas ref={canvasElement} />
<CellOutline ref={cellOutline} />
<EditorWrapper ref={editorElement}>
<Editor
originalText={workbookState.getEditingText()}
onEditEnd={(): void => {
props.refresh();
}}
onTextUpdated={(): void => {
props.refresh();
}}
model={model}
workbookState={workbookState}
type={"cell"}
/>
</EditorWrapper>
<AreaOutline ref={areaOutline} />
<ExtendToOutline ref={extendToOutline} />
<CellOutlineHandle
ref={cellOutlineHandle}
onPointerDown={onPointerHandleDown}
/>
<ColumnResizeGuide ref={columnResizeGuide} />
<RowResizeGuide ref={rowResizeGuide} />
<ColumnHeaders ref={columnHeaders} />
</SheetContainer>
<CellContextMenu
open={contextMenuOpen}
onClose={() => setContextMenuOpen(false)}
anchorEl={cellOutline.current}
onInsertRowAbove={(): void => {
const view = model.getSelectedView();
model.insertRow(view.sheet, view.row);
setContextMenuOpen(false);
}}
onInsertRowBelow={(): void => {
const view = model.getSelectedView();
model.insertRow(view.sheet, view.row + 1);
setContextMenuOpen(false);
}}
onInsertColumnLeft={(): void => {
const view = model.getSelectedView();
model.insertColumn(view.sheet, view.column);
setContextMenuOpen(false);
}}
onInsertColumnRight={(): void => {
const view = model.getSelectedView();
model.insertColumn(view.sheet, view.column + 1);
setContextMenuOpen(false);
}}
onFreezeColumns={(): void => {
const view = model.getSelectedView();
model.setFrozenColumnsCount(view.sheet, view.column);
setContextMenuOpen(false);
}}
onFreezeRows={(): void => {
const view = model.getSelectedView();
model.setFrozenRowsCount(view.sheet, view.row);
setContextMenuOpen(false);
}}
onUnfreezeColumns={(): void => {
const sheet = model.getSelectedSheet();
model.setFrozenColumnsCount(sheet, 0);
setContextMenuOpen(false);
}}
onUnfreezeRows={(): void => {
const sheet = model.getSelectedSheet();
model.setFrozenRowsCount(sheet, 0);
setContextMenuOpen(false);
}}
onDeleteRow={(): void => {
const view = model.getSelectedView();
model.deleteRow(view.sheet, view.row);
setContextMenuOpen(false);
}}
onDeleteColumn={(): void => {
const view = model.getSelectedView();
model.deleteColumn(view.sheet, view.column);
setContextMenuOpen(false);
}}
row={model.getSelectedView().row}
column={columnNameFromNumber(model.getSelectedView().column)}
/>
</Wrapper>
);
}
const Spacer = styled("div")`
position: absolute;
height: 5000px;
width: 5000px;
`;
const SheetContainer = styled("div")`
position: sticky;
top: 0px;
left: 0px;
height: 100%;
.column-resize-handle {
position: absolute;
top: 0px;
width: 3px;
opacity: 0;
background: ${outlineColor};
border-radius: 5px;
cursor: col-resize;
}
.column-resize-handle:hover {
opacity: 1;
}
.row-resize-handle {
position: absolute;
left: 0px;
height: 3px;
opacity: 0;
background: ${outlineColor};
border-radius: 5px;
cursor: row-resize;
}
.row-resize-handle:hover {
opacity: 1;
}
`;
const Wrapper = styled("div")({
position: "absolute",
overflow: "scroll",
top: TOOLBAR_HEIGHT + FORMULA_BAR_HEIGHT + 1,
left: 0,
right: 0,
bottom: NAVIGATION_HEIGHT + 1,
overscrollBehavior: "none",
});
const SheetCanvas = styled("canvas")`
position: relative;
top: 0px;
left: 0px;
right: 0px;
bottom: 40px;
`;
const ColumnResizeGuide = styled("div")`
position: absolute;
top: 0px;
display: none;
height: 100%;
width: 0px;
border-left: 1px dashed ${outlineColor};
`;
const ColumnHeaders = styled("div")`
position: absolute;
left: 0px;
top: 0px;
overflow: hidden;
display: flex;
& .column-header {
display: inline-block;
text-align: center;
overflow: hidden;
height: 100%;
user-select: none;
}
`;
const RowResizeGuide = styled("div")`
position: absolute;
display: none;
left: 0px;
height: 0px;
width: 100%;
border-top: 1px dashed ${outlineColor};
`;
const AreaOutline = styled("div")`
position: absolute;
border: 1px solid ${outlineColor};
border-radius: 3px;
background-color: ${outlineBackgroundColor};
`;
const CellOutline = styled("div")`
position: absolute;
border: 2px solid ${outlineColor};
border-radius: 3px;
word-break: break-word;
font-size: 13px;
display: flex;
`;
const CellOutlineHandle = styled("div")`
position: absolute;
width: 5px;
height: 5px;
background: ${outlineColor};
cursor: crosshair;
border-radius: 1px;
`;
const ExtendToOutline = styled("div")`
position: absolute;
border: 1px dashed ${outlineColor};
border-radius: 3px;
`;
const EditorWrapper = styled("div")`
position: absolute;
width: 100%;
padding: 0px;
border-width: 0px;
outline: none;
resize: none;
white-space: pre-wrap;
vertical-align: bottom;
overflow: hidden;
text-align: left;
span {
min-width: 1px;
}
font-family: monospace;
border: 2px solid ${outlineColor};
`;
export default Worksheet;