echarts cursorHelper 源码
echarts cursorHelper 代码
文件路径:/src/component/helper/cursorHelper.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 { ElementEvent } from 'zrender/src/Element';
import ExtensionAPI from '../../core/ExtensionAPI';
import SeriesModel from '../../model/Series';
import { CoordinateSystem } from '../../coord/CoordinateSystem';
const IRRELEVANT_EXCLUDES = {'axisPointer': 1, 'tooltip': 1, 'brush': 1};
/**
* Avoid that: mouse click on a elements that is over geo or graph,
* but roam is triggered.
*/
export function onIrrelevantElement(
e: ElementEvent, api: ExtensionAPI, targetCoordSysModel: CoordinateSystem['model']
): boolean {
const model = api.getComponentByElement(e.topTarget);
// If model is axisModel, it works only if it is injected with coordinateSystem.
const coordSys = model && (model as SeriesModel).coordinateSystem;
return model
&& model !== targetCoordSysModel
&& !IRRELEVANT_EXCLUDES.hasOwnProperty(model.mainType)
&& (coordSys && coordSys.model !== targetCoordSysModel);
}
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