@visactor/vchart/esm/component/legend/discrete/util.js

charts lib based @visactor/VGrammar

var __rest = this && this.__rest || function(s, e) {
    var t = {};
    for (var p in s) Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0 && (t[p] = s[p]);
    if (null != s && "function" == typeof Object.getOwnPropertySymbols) {
        var i = 0;
        for (p = Object.getOwnPropertySymbols(s); i < p.length; i++) e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]) && (t[p[i]] = s[p[i]]);
    }
    return t;
};

import { cloneDeep, isEmpty, isFunction, isValid } from "@visactor/vutils";

import { isPercent, isValidOrient } from "../../../util/space";

import { mergeSpec } from "@visactor/vutils-extension";

import { transformComponentStyle, transformToGraphic } from "../../../util/style";

import { transformLegendTitleAttributes } from "../util";

function normalizeLegendShapeTextureStyle(style) {
    return isValid(null == style ? void 0 : style.texture) ? Object.assign(Object.assign({}, style), {
        texturePadding: isValid(style.texturePadding) ? style.texturePadding : 1,
        textureSize: isValid(style.textureSize) ? style.textureSize : 4
    }) : style;
}

function normalizeLegendShapeTextureConfig(shape) {
    const normalizeStyle = style => normalizeLegendShapeTextureStyle(style);
    if (isFunction(shape.style)) {
        const style = shape.style;
        shape.style = (...args) => normalizeStyle(style(...args));
    } else isEmpty(shape.style) || (shape.style = normalizeStyle(shape.style));
    return isEmpty(shape.state) || Object.keys(shape.state).forEach((key => {
        if (isFunction(shape.state[key])) {
            const stateStyle = shape.state[key];
            shape.state[key] = (...args) => normalizeStyle(stateStyle(...args));
        } else isEmpty(shape.state[key]) || (shape.state[key] = normalizeStyle(shape.state[key]));
    })), shape;
}

export function getLegendAttributes(spec, rect, layoutOrient) {
    const {title: titleSpec = {}, item: itemSpec = {}, pager: pagerSpec = {}, background: backgroundSpec = {}, type: type, id: id, visible: visible, orient: orient, position: position, data: data, filter: filter, regionId: regionId, regionIndex: regionIndex, seriesIndex: seriesIndex, seriesId: seriesId, padding: padding} = spec, restSpec = __rest(spec, [ "title", "item", "pager", "background", "type", "id", "visible", "orient", "position", "data", "filter", "regionId", "regionIndex", "seriesIndex", "seriesId", "padding" ]);
    let {title: title = {}, item: item = {}, pager: pager = {}, background: background = {}} = spec;
    title = cloneDeep(title), item = cloneDeep(item), pager = cloneDeep(pager), background = cloneDeep(background);
    const attrs = restSpec, pagerLayout = pager.layout, pagerPosition = pager.position;
    if (isFunction(attrs.maxRow) || isFunction(attrs.maxCol) || isFunction(pagerLayout) || isFunction(pagerPosition)) {
        const resolvedOrient = isValidOrient(layoutOrient) ? layoutOrient : isValidOrient(orient) ? orient : "left";
        isFunction(attrs.maxRow) && (attrs.maxRow = attrs.maxRow({
            rect: rect,
            orient: resolvedOrient,
            id: id
        })), isFunction(attrs.maxCol) && (attrs.maxCol = attrs.maxCol({
            rect: rect,
            orient: resolvedOrient,
            id: id
        }));
        const isArrowPager = "scrollbar" !== pager.type, pagerContext = {
            rect: rect,
            orient: resolvedOrient,
            id: id,
            maxRow: attrs.maxRow,
            maxCol: attrs.maxCol
        };
        isArrowPager && isFunction(pagerLayout) && (pager.layout = pagerLayout(pagerContext)), 
        isArrowPager && isFunction(pagerPosition) && (pager.position = pagerPosition(pagerContext));
    }
    return title.visible ? attrs.title = transformLegendTitleAttributes(title) : attrs.title = {
        visible: !1
    }, isEmpty(item.focusIconStyle) || transformToGraphic(item.focusIconStyle), item.shape && (item.shape = normalizeLegendShapeTextureConfig(transformComponentStyle(item.shape))), 
    item.label && (item.label = transformComponentStyle(item.label)), item.value && (item.value = transformComponentStyle(item.value)), 
    item.background && (item.background = transformComponentStyle(item.background)), 
    isPercent(item.maxWidth) && (item.maxWidth = Number(item.maxWidth.substring(0, item.maxWidth.length - 1)) * rect.width / 100), 
    isPercent(item.width) && (item.width = Number(item.width.substring(0, item.width.length - 1)) * rect.width / 100), 
    isPercent(item.height) && (item.height = Number(item.height.substring(0, item.height.length - 1)) * rect.width / 100), 
    attrs.item = item, "scrollbar" === pager.type ? (isEmpty(pager.railStyle) || transformToGraphic(pager.railStyle), 
    isEmpty(pager.sliderStyle) || transformToGraphic(pager.sliderStyle)) : (isEmpty(pager.textStyle) || transformToGraphic(pager.textStyle), 
    pager.handler && transformComponentStyle(pager.handler)), attrs.pager = pager, background.visible && !isEmpty(background.style) && (mergeSpec(attrs, background.style), 
    isValid(background.padding) && (attrs.padding = background.padding)), attrs;
}
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