echarts innerStore 源码
echarts innerStore 代码
文件路径：/src/util/innerStore.ts
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import Element from 'zrender/src/Element';
import {
DataModel, ECEventData, BlurScope, InnerFocus, SeriesDataType,
ComponentMainType, ComponentItemTooltipOption
} from './types';
import { makeInner } from './model';
/**
* ECData stored on graphic element
*/
export interface ECData {
dataIndex?: number;
dataModel?: DataModel;
eventData?: ECEventData;
seriesIndex?: number;
dataType?: SeriesDataType;
focus?: InnerFocus;
blurScope?: BlurScope;
// Required by `tooltipConfig` and `focus`.
componentMainType?: ComponentMainType;
componentIndex?: number;
componentHighDownName?: string;
// To make a tooltipConfig, seach `setTooltipConfig`.
// Used to find component tooltip option, which is used as
// the parent of tooltipConfig.option for cascading.
// If not provided, do not use component as its parent.
// (Set manatary to make developers not to forget them).
tooltipConfig?: {
// Target item name to locate tooltip.
name: string;
option: ComponentItemTooltipOption<unknown>;
};
}
export const getECData = makeInner<ECData, Element>();
export const setCommonECData = (seriesIndex: number, dataType: SeriesDataType, dataIdx: number, el: Element) => {
if (el) {
const ecData = getECData(el);
// Add data index and series index for indexing the data by element
// Useful in tooltip
ecData.dataIndex = dataIdx;
ecData.dataType = dataType;
ecData.seriesIndex = seriesIndex;
// TODO: not store dataIndex on children.
if (el.type === 'group') {
el.traverse(function (child: Element): void {
const childECData = getECData(child);
childECData.seriesIndex = seriesIndex;
childECData.dataIndex = dataIdx;
childECData.dataType = dataType;
});
}
}
};
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