echarts treeVisual 源码
echarts treeVisual 代码
文件路径：/src/chart/tree/treeVisual.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 GlobalModel from '../../model/Global';
import TreeSeriesModel, { TreeSeriesNodeItemOption } from './TreeSeries';
import { extend } from 'zrender/src/core/util';
export default function treeVisual(ecModel: GlobalModel) {
ecModel.eachSeriesByType('tree', function (seriesModel: TreeSeriesModel) {
const data = seriesModel.getData();
const tree = data.tree;
tree.eachNode(function (node) {
const model = node.getModel<TreeSeriesNodeItemOption>();
// TODO Optimize
const style = model.getModel('itemStyle').getItemStyle();
const existsStyle = data.ensureUniqueItemVisual(node.dataIndex, 'style');
extend(existsStyle, style);
});
});
}
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