echarts simpleLayout 源码
echarts simpleLayout 代码
文件路径：/src/chart/graph/simpleLayout.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 {each} from 'zrender/src/core/util';
import {simpleLayout, simpleLayoutEdge} from './simpleLayoutHelper';
import GlobalModel from '../../model/Global';
import ExtensionAPI from '../../core/ExtensionAPI';
import GraphSeriesModel from './GraphSeries';
export default function graphSimpleLayout(ecModel: GlobalModel, api: ExtensionAPI) {
ecModel.eachSeriesByType('graph', function (seriesModel: GraphSeriesModel) {
const layout = seriesModel.get('layout');
const coordSys = seriesModel.coordinateSystem;
if (coordSys && coordSys.type !== 'view') {
const data = seriesModel.getData();
let dimensions: string[] = [];
each(coordSys.dimensions, function (coordDim) {
dimensions = dimensions.concat(data.mapDimensionsAll(coordDim));
});
for (let dataIndex = 0; dataIndex < data.count(); dataIndex++) {
const value = [];
let hasValue = false;
for (let i = 0; i < dimensions.length; i++) {
const val = data.get(dimensions[i], dataIndex) as number;
if (!isNaN(val)) {
hasValue = true;
}
value.push(val);
}
if (hasValue) {
data.setItemLayout(dataIndex, coordSys.dataToPoint(value));
}
else {
// Also {Array.<number>}, not undefined to avoid if...else... statement
data.setItemLayout(dataIndex, [NaN, NaN]);
}
}
simpleLayoutEdge(data.graph, seriesModel);
}
else if (!layout || layout === 'none') {
simpleLayout(seriesModel);
}
});
}
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