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- import { Action } from '@antv/g2';
- import { Data } from '../../types';
- import { DrillDownCfg } from '../../types/drill-down';
- export declare const PADDING_TOP = 5;
- /** Group name of breadCrumb: 面包屑 */
- export declare const BREAD_CRUMB_NAME = "drilldown-bread-crumb";
- export declare const DEFAULT_BREAD_CRUMB_CONFIG: DrillDownCfg['breadCrumb'];
- /**
- * hierarchy 数据转换的参数
- */
- export declare const HIERARCHY_DATA_TRANSFORM_PARAMS = "hierarchy-data-transform-params";
- /**
- * Hierarchy plot 节点的数据
- */
- export type HierarchyNode<N = any /** 节点 */> = {
- /** 节点的原始数据,树型结构(todo 是否更正 key 为 origin) */
- data: {
- name: string;
- value?: any;
- children: {
- name: string;
- value?: any;
- }[];
- };
- /** 在构建节点数据时候,增加的扩展配置, 用于存储 transformData 的入参配置 */
- [HIERARCHY_DATA_TRANSFORM_PARAMS]: object;
- /** 当前的层级结构,每一次下钻都会更新. 不是 unique */
- depth: number;
- /** 当前所处高度,depth + height = 总的层级 */
- height: number;
- parent: N;
- children: N[];
- };
- type HistoryCache = {
- name: string;
- id: string;
- children: Data;
- }[];
- /**
- * @description 下钻交互的 action
- * @author liuzhenying
- *
- * 适用于:hierarchy plot
- */
- export declare class DrillDownAction extends Action {
- /** Action name */
- name: string;
- protected historyCache: HistoryCache;
- private breadCrumbGroup;
- private breadCrumbCfg;
- /**
- * 点击事件, 下钻数据,并绘制面包屑
- */
- click(): boolean;
- /**
- * 重置位置,初始化及触发 chart afterchangesize 回调时使用
- */
- resetPosition(): void;
- /**
- * 返回上一层
- */
- back(): void;
- /**
- * 重置
- */
- reset(): void;
- /**
- * 下钻数据并更新 view 显示层
- * @param nodeInfo 下钻数据
- */
- protected drill(nodeInfo: HierarchyNode): void;
- /**
- * 回退事件,点击面包屑时触发
- * @param historyCache 当前要回退到的历史
- */
- protected backTo(historyCache: HistoryCache): void;
- /**
- * 获取 mix 默认的配置和用户配置
- */
- private getButtonCfg;
- /**
- * 显示面包屑
- */
- private drawBreadCrumb;
- /**
- * 绘制 Button 和 文本
- */
- private drawBreadCrumbGroup;
- /**
- * 隐藏面包屑
- */
- private hideCrumbGroup;
- /**
- * @override
- * destroy: 销毁资源
- */
- destroy(): void;
- }
- export {};
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