@visactor/vtable/es/scenegraph/group-creater/column.js

canvas table width high performance

import { isNumber } from "@visactor/vutils";

import { Group } from "../graphic/group";

import { createComplexColumn } from "./column-helper";

export function createColGroup(containerGroup, xOrigin, yOrigin, colStart, colEnd, rowStart, rowEnd, cellLocation, table, rowLimit) {
    if (colStart > colEnd || rowStart > rowEnd) return;
    const {layoutMap: layoutMap, defaultHeaderRowHeight: defaultHeaderRowHeight, defaultColWidth: defaultColWidth} = table.internalProps, defaultRowHeight = table.defaultRowHeight;
    let x = 0, heightMax = 0;
    for (let i = colStart; i <= colEnd; i++) {
        const col = i, colWidth = table.getColWidth(col), columnGroup = new Group({
            x: xOrigin + x,
            y: yOrigin,
            width: colWidth,
            height: 0,
            clip: !1,
            pickable: !1
        });
        columnGroup.role = "column", columnGroup.col = i, containerGroup.addChild(columnGroup);
        const {width: default2Width, height: default2Height} = createComplexColumn(columnGroup, col, colWidth, rowStart, rowEnd, table.scenegraph.mergeMap, "columnHeader" === cellLocation && isNumber(defaultHeaderRowHeight) ? defaultHeaderRowHeight : defaultRowHeight, table, rowLimit);
        x += default2Width, heightMax = Math.max(heightMax, default2Height);
    }
    containerGroup.setAttribute("width", x), containerGroup.setAttribute("height", heightMax);
}
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