@antv/s2
Version:
effective spreadsheet render core lib
80 lines • 3.52 kB
JavaScript
import { clamp, isBoolean } from 'lodash';
import { DEFAULT_CORNER_MAX_WIDTH_RATIO } from '../../common/constant';
import { floor } from '../../utils/math';
import { BaseBBox } from './base-bbox';
export class CornerBBox extends BaseBBox {
calculateBBox() {
const width = this.getWidth();
const height = this.getHeight();
this.width = width;
this.height = height;
this.maxX = width;
this.maxY = height;
}
calculateOriginalHeight() {
var _a;
const { colsHierarchy } = this.layoutResult;
const { colCell } = this.spreadsheet.options.style;
/**
* 角头分为两部分, 一部分对应行头, 一部分对应列头, 角头的叶子节点对应行头节点, 以下极端情况让没有列头的时候也能 [行头对应的角头] 正常显示
* 1. 只配置了 rows, 而 columns, values 都为空, 此时列头为空
* 2. 配置了 rows, values, 此时存在一级列头 (即 EXTRA_FIELD 数值节点), 但是隐藏了数值 (hideMeasureColumn), 此时列头为空
*/
if (!colsHierarchy.sampleNodeForLastLevel) {
this.originalHeight =
(_a = this.facet.getCellCustomSize(null, colCell === null || colCell === void 0 ? void 0 : colCell.height)) !== null && _a !== void 0 ? _a : 0;
}
else {
this.originalHeight = floor(colsHierarchy.height);
}
}
calculateOriginWidth() {
const { rowsHierarchy } = this.layoutResult;
this.originalWidth = floor(rowsHierarchy.width + this.facet.getSeriesNumberWidth());
}
getHeight() {
this.calculateOriginalHeight();
return this.originalHeight;
}
getWidth() {
this.calculateOriginWidth();
// 在行头固定时，需对角头 BBox 进行裁剪
if (this.spreadsheet.isFrozenRowHeader()) {
return this.adjustWidth();
}
return this.originalWidth;
}
adjustWidth() {
const { colsHierarchy } = this.layoutResult;
const { width: canvasWidth, frozen } = this.spreadsheet.options;
const rowHeader = frozen === null || frozen === void 0 ? void 0 : frozen.rowHeader;
const ratio = isBoolean(rowHeader)
? DEFAULT_CORNER_MAX_WIDTH_RATIO
: clamp(rowHeader, 0, 1);
const maxCornerBBoxWidth = canvasWidth * ratio;
const colsHierarchyWidth = colsHierarchy === null || colsHierarchy === void 0 ? void 0 : colsHierarchy.width;
const panelWidthWithoutUnClippedCorner = canvasWidth - this.originalWidth;
/*
* 不需要裁剪条件：
* 1. 角头的宽度没有超过最大的角头范围
* 2. 列头的宽度没有超过在不裁剪角头前提下的剩余范围
*/
if (this.originalWidth <= maxCornerBBoxWidth ||
colsHierarchyWidth <= panelWidthWithoutUnClippedCorner) {
return this.originalWidth;
}
let clippedWidth = 0;
const maxPanelWidth = canvasWidth - maxCornerBBoxWidth;
// 列头宽度超过了剩余宽度，但是小于 Panel 的最大宽度
if (colsHierarchyWidth <= maxPanelWidth) {
clippedWidth =
this.originalWidth -
(colsHierarchyWidth - panelWidthWithoutUnClippedCorner);
}
else {
clippedWidth = maxCornerBBoxWidth;
}
return floor(clippedWidth);
}
}
//# sourceMappingURL=corner-bbox.js.map