@visactor/react-vtable/es/table-components/custom/custom-layout.js

The react version of VTable

import React, { isValidElement, useCallback, useContext, useLayoutEffect, useRef } from "react";

import RootTableContext from "../../context/table";

import { Group } from "@visactor/vtable/es/vrender";

import { reconcilor } from "./reconciler";

import { LegacyRoot } from "react-reconciler/constants";

export const CustomLayout = (props, ref) => {
    const {componentId: componentId, children: children} = props;
    if (!isValidElement(children)) return null;
    const context = useContext(RootTableContext), {table: table} = context, isHeaderCustomLayout = "header-custom-layout" === children.props.role, container = useRef(new Map), createGraphic = useCallback((args => {
        var _a, _b;
        const key = `${null !== (_a = args.originCol) && void 0 !== _a ? _a : args.col}-${null !== (_b = args.originRow) && void 0 !== _b ? _b : args.row}${args.forComputation ? "-forComputation" : ""}`;
        let group;
        if (container.current.has(key)) {
            const currentContainer = container.current.get(key);
            reconcilorUpdateContainer(children, currentContainer, args), group = currentContainer.containerInfo;
        } else {
            group = new Group({});
            const currentContainer = reconcilor.createContainer(group, LegacyRoot, null, null, null, "custom", null, null);
            container.current.set(key, currentContainer), reconcilorUpdateContainer(children, currentContainer, args);
        }
        return {
            rootContainer: group,
            renderDefault: !!children.props.renderDefault
        };
    }), [ children ]), removeContainer = useCallback(((col, row) => {
        const key = `${col}-${row}`;
        if (container.current.has(key)) {
            const currentContainer = container.current.get(key);
            reconcilor.updateContainer(null, currentContainer, null), currentContainer.containerInfo.delete(), 
            container.current.delete(key);
        }
    }), []), removeAllContainer = useCallback((() => {
        container.current.forEach(((value, key) => {
            const currentContainer = value;
            reconcilor.updateContainer(null, currentContainer, null), currentContainer.containerInfo.delete();
        })), container.current.clear();
    }), []);
    return useLayoutEffect((() => () => {}), []), useLayoutEffect((() => {
        var _a, _b, _c, _d, _e, _f;
        null == table || table.checkReactCustomLayout(), null === (_a = null == table ? void 0 : table.reactCustomLayout) || void 0 === _a || _a.setReactRemoveAllGraphic(componentId, removeAllContainer, isHeaderCustomLayout), 
        table && !(null === (_b = table.reactCustomLayout) || void 0 === _b ? void 0 : _b.hasReactCreateGraphic(componentId, isHeaderCustomLayout)) ? (null === (_c = table.reactCustomLayout) || void 0 === _c || _c.setReactCreateGraphic(componentId, createGraphic, isHeaderCustomLayout), 
        null === (_d = table.reactCustomLayout) || void 0 === _d || _d.setReactRemoveGraphic(componentId, removeContainer, isHeaderCustomLayout), 
        null === (_e = table.reactCustomLayout) || void 0 === _e || _e.updateCustomCell(componentId, isHeaderCustomLayout)) : table && (null === (_f = table.reactCustomLayout) || void 0 === _f || _f.setReactCreateGraphic(componentId, createGraphic, isHeaderCustomLayout), 
        container.current.forEach(((value, key) => {
            const [col, row] = key.split("-").map(Number), {width: width, height: height} = getCellRect(col, row, table), currentContainer = value, args = {
                col: col,
                row: row,
                dataValue: table.getCellOriginValue(col, row),
                value: table.getCellValue(col, row) || "",
                rect: {
                    left: 0,
                    top: 0,
                    right: width,
                    bottom: height,
                    width: width,
                    height: height
                },
                table: table
            };
            currentContainer.containerInfo;
            reconcilorUpdateContainer(children, currentContainer, args), table.scenegraph.updateNextFrame();
        })));
    })), null;
};

function reconcilorUpdateContainer(children, currentContainer, args) {
    reconcilor.updateContainer(React.cloneElement(children, Object.assign({}, args)), currentContainer, null);
}

function getCellRect(col, row, table) {
    const range = table.getCellRange(col, row);
    return table.getCellsRect(range.start.col, range.start.row, range.end.col, range.end.row);
}
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