echarts EffectScatterView 源码
echarts EffectScatterView 代码
文件路径：/src/chart/effectScatter/EffectScatterView.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 SymbolDraw from '../helper/SymbolDraw';
import EffectSymbol from '../helper/EffectSymbol';
import * as matrix from 'zrender/src/core/matrix';
import pointsLayout from '../../layout/points';
import ChartView from '../../view/Chart';
import GlobalModel from '../../model/Global';
import ExtensionAPI from '../../core/ExtensionAPI';
import EffectScatterSeriesModel from './EffectScatterSeries';
import { StageHandlerProgressExecutor } from '../../util/types';
class EffectScatterView extends ChartView {
static readonly type = 'effectScatter';
readonly type = EffectScatterView.type;
private _symbolDraw: SymbolDraw;
init() {
this._symbolDraw = new SymbolDraw(EffectSymbol);
}
render(seriesModel: EffectScatterSeriesModel, ecModel: GlobalModel, api: ExtensionAPI) {
const data = seriesModel.getData();
const effectSymbolDraw = this._symbolDraw;
effectSymbolDraw.updateData(data, {clipShape: this._getClipShape(seriesModel)});
this.group.add(effectSymbolDraw.group);
}
_getClipShape(seriesModel: EffectScatterSeriesModel) {
const coordSys = seriesModel.coordinateSystem;
const clipArea = coordSys && coordSys.getArea && coordSys.getArea();
return seriesModel.get('clip', true) ? clipArea : null;
}
updateTransform(seriesModel: EffectScatterSeriesModel, ecModel: GlobalModel, api: ExtensionAPI) {
const data = seriesModel.getData();
this.group.dirty();
const res = pointsLayout('').reset(seriesModel, ecModel, api) as StageHandlerProgressExecutor;
if (res.progress) {
res.progress({
start: 0,
end: data.count(),
count: data.count()
}, data);
}
this._symbolDraw.updateLayout();
}
_updateGroupTransform(seriesModel: EffectScatterSeriesModel) {
const coordSys = seriesModel.coordinateSystem;
if (coordSys && coordSys.getRoamTransform) {
this.group.transform = matrix.clone(coordSys.getRoamTransform());
this.group.decomposeTransform();
}
}
remove(ecModel: GlobalModel, api: ExtensionAPI) {
this._symbolDraw && this._symbolDraw.remove(true);
}
}
export default EffectScatterView;
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