echarts dataFilter 源码
echarts dataFilter 代码
文件路径：/src/processor/dataFilter.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 { StageHandler } from '../util/types';
export default function dataFilter(seriesType: string): StageHandler {
return {
seriesType: seriesType,
reset: function (seriesModel, ecModel) {
const legendModels = ecModel.findComponents({
mainType: 'legend'
});
if (!legendModels || !legendModels.length) {
return;
}
const data = seriesModel.getData();
data.filterSelf(function (idx) {
const name = data.getName(idx);
// If in any legend component the status is not selected.
for (let i = 0; i < legendModels.length; i++) {
// @ts-ignore FIXME: LegendModel
if (!legendModels[i].isSelected(name)) {
return false;
}
}
return true;
});
}
};
}
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