@antv/s2
Version:
effective spreadsheet render core lib
62 lines • 2.76 kB
JavaScript
import { clamp, compact, findLast } from 'lodash';
import { parseNumberWithPrecision } from '../formatter';
export const getIconPosition = (condition) => { var _a; return (_a = condition === null || condition === void 0 ? void 0 : condition.position) !== null && _a !== void 0 ? _a : 'right'; };
/*
* 生成柱状图的的绘制范围，柱状图的生成逻辑都是统一的负左正右的逻辑
* 分为以下几种情况：
* 1. maxValue > minValue >=0，柱状图从最左侧开始绘制，范围是 min -- max， 可以认为 0 点此时和 min 重合
* 0 min max
* | | |
* | +------------------------+
* | |▉▉▉▉▉▉▉ |
* | +------------------------+
* 2. maxValue > 0 > minValue，柱状图从0点开始绘制，范围是 min -- 0 -- max
* min 0 max
* | | |
* +-----------|------------+
* | ▉▉▉▉▉▉▉|▉▉▉▉ |
* +-----------|------------+
* 3. 0 >= maxValue > minValue，柱状图从最右侧开始绘制，范围是 min -- max，可以认为 0 点此时和 max 重合
* min max 0
* | | |
* +------------------------+ |
* | ▉▉▉▉▉▉▉▉▉▉▉| |
* +------------------------+ |
*/
export const getIntervalScale = (minValue = 0, maxValue = 0) => {
minValue = parseNumberWithPrecision(minValue);
maxValue = parseNumberWithPrecision(maxValue);
// 处理所有值相等的情况
if (minValue === maxValue) {
return () => ({
zeroScale: 0,
scale: 0,
});
}
const allPositiveValue = minValue >= 0;
const bothPositiveAndNegativeValue = maxValue >= 0 && minValue <= 0;
const zeroForEitherPositiveOrNegative = allPositiveValue
? minValue
: maxValue;
const zero = bothPositiveAndNegativeValue
? 0
: zeroForEitherPositiveOrNegative;
const distance = maxValue - minValue;
return (current) => {
const zeroScaleForEitherPositiveOrNegative = allPositiveValue ? 0 : 1;
const zeroScale = bothPositiveAndNegativeValue
? clamp(Math.abs(0 - minValue) / distance, 0, 1)
: zeroScaleForEitherPositiveOrNegative;
// scale 为负值时，代表方向绘制（g支持的模式）
const scale = clamp((current - zero) / distance, -1, 1);
return { zeroScale, scale };
};
};
export const findFieldCondition = (conditions = [], field) => {
return findLast(compact(conditions), (item) => {
return item.field instanceof RegExp
? item.field.test(field)
: item.field === field;
});
};
//# sourceMappingURL=condition.js.map