109 lines
2.3 KiB
TypeScript
109 lines
2.3 KiB
TypeScript
import { LegendOption } from '../../interface';
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import View from '../view';
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import { Controller } from './base';
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declare type Option = Record<string, LegendOption> | boolean;
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/**
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* @ignore
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* legend Controller
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*/
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export default class Legend extends Controller<Option> {
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/** the draw group of axis */
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private container;
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/** 用于多个 legend 布局的 bbox */
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private layoutBBox;
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constructor(view: View);
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get name(): string;
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init(): void;
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/**
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* render the legend component by legend options
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*/
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render(): void;
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/**
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* layout legend
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* 计算出 legend 的 direction 位置 x, y
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*/
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layout(): void;
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/**
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* legend 的更新逻辑
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*/
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update(): void;
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clear(): void;
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destroy(): void;
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/**
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* 递归获取所有的 Geometry
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*/
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private getGeometries;
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/**
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* 遍历 Geometry，处理 legend 逻辑
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* @param doEach 每个 loop 中的处理方法
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*/
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private loopLegends;
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/**
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* 创建一个 legend
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* @param geometry
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* @param attr
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* @param scale
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*/
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private createFieldLegend;
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/**
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* 自定义图例使用 category 图例去渲染
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* @param geometry
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* @param attr
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* @param scale
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* @param legendOption
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*/
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private createCustomLegend;
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/**
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* 创建连续图例
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* @param geometry
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* @param attr
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* @param scale
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* @param legendOption
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*/
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private createContinuousLegend;
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/**
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* 创建分类图例
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* @param geometry
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* @param attr
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* @param scale
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* @param legendOption
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*/
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private createCategoryLegend;
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/**
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* 获得连续图例的配置
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* @param geometry
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* @param attr
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* @param scale
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* @param legendOption
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*/
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private getContinuousCfg;
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/**
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* 获取分类图例的配置项
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* @param geometry
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* @param attr
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* @param scale
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* @param custom
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* @param legendOption
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*/
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private getCategoryCfg;
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/**
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* get legend config, use option > suggestion > theme
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* @param baseCfg
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* @param legendOption
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* @param direction
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*/
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private mergeLegendCfg;
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/**
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* 生成 id
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* @param key
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*/
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private getId;
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/**
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* 根据 id 来获取组件
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* @param id
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*/
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private getComponentById;
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private getCategoryLegendSizeCfg;
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}
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export {};
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