echarts AxisPointerView 源码
echarts AxisPointerView 代码
文件路径：/src/component/axisPointer/AxisPointerView.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 * as globalListener from './globalListener';
import ComponentView from '../../view/Component';
import AxisPointerModel from './AxisPointerModel';
import GlobalModel from '../../model/Global';
import ExtensionAPI from '../../core/ExtensionAPI';
import TooltipModel from '../tooltip/TooltipModel';
class AxisPointerView extends ComponentView {
static type = 'axisPointer' as const;
type = AxisPointerView.type;
render(globalAxisPointerModel: AxisPointerModel, ecModel: GlobalModel, api: ExtensionAPI) {
const globalTooltipModel = ecModel.getComponent('tooltip') as TooltipModel;
const triggerOn = globalAxisPointerModel.get('triggerOn')
|| (globalTooltipModel && globalTooltipModel.get('triggerOn') || 'mousemove|click');
// Register global listener in AxisPointerView to enable
// AxisPointerView to be independent to Tooltip.
globalListener.register(
'axisPointer',
api,
function (currTrigger, e, dispatchAction) {
// If 'none', it is not controlled by mouse totally.
if (triggerOn !== 'none'
&& (currTrigger === 'leave' || triggerOn.indexOf(currTrigger) >= 0)
) {
dispatchAction({
type: 'updateAxisPointer',
currTrigger: currTrigger,
x: e && e.offsetX,
y: e && e.offsetY
});
}
}
);
}
remove(ecModel: GlobalModel, api: ExtensionAPI) {
globalListener.unregister('axisPointer', api);
}
dispose(ecModel: GlobalModel, api: ExtensionAPI) {
globalListener.unregister('axisPointer', api);
}
}
export default AxisPointerView;
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