/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import SymbolDraw from '../helper/SymbolDraw';
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import LargeSymbolDraw from '../helper/LargeSymbolDraw';
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import pointsLayout from '../../layout/points';
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import ChartView from '../../view/Chart';
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import ScatterSeriesModel from './ScatterSeries';
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import GlobalModel from '../../model/Global';
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import ExtensionAPI from '../../core/ExtensionAPI';
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import List from '../../data/List';
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import { TaskProgressParams } from '../../core/task';
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import type { StageHandlerProgressExecutor } from '../../util/types';
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class ScatterView extends ChartView {
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static readonly type = 'scatter';
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type = ScatterView.type;
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_finished: boolean;
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_isLargeDraw: boolean;
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_symbolDraw: SymbolDraw | LargeSymbolDraw;
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render(seriesModel: ScatterSeriesModel, ecModel: GlobalModel, api: ExtensionAPI) {
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const data = seriesModel.getData();
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const symbolDraw = this._updateSymbolDraw(data, seriesModel);
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symbolDraw.updateData(data, {
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// TODO
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// If this parameter should be a shape or a bounding volume
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// shape will be more general.
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// But bounding volume like bounding rect will be much faster in the contain calculation
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clipShape: this._getClipShape(seriesModel)
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});
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this._finished = true;
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}
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incrementalPrepareRender(seriesModel: ScatterSeriesModel, ecModel: GlobalModel, api: ExtensionAPI) {
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const data = seriesModel.getData();
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const symbolDraw = this._updateSymbolDraw(data, seriesModel);
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symbolDraw.incrementalPrepareUpdate(data);
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this._finished = false;
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}
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incrementalRender(taskParams: TaskProgressParams, seriesModel: ScatterSeriesModel, ecModel: GlobalModel) {
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this._symbolDraw.incrementalUpdate(taskParams, seriesModel.getData(), {
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clipShape: this._getClipShape(seriesModel)
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});
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this._finished = taskParams.end === seriesModel.getData().count();
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}
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updateTransform(seriesModel: ScatterSeriesModel, ecModel: GlobalModel, api: ExtensionAPI): void | { update: true } {
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const data = seriesModel.getData();
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// Must mark group dirty and make sure the incremental layer will be cleared
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// PENDING
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this.group.dirty();
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if (!this._finished || data.count() > 1e4 || !this._symbolDraw.isPersistent()) {
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return {
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update: true
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};
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}
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else {
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const res = pointsLayout('').reset(seriesModel, ecModel, api) as StageHandlerProgressExecutor;
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if (res.progress) {
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res.progress({ start: 0, end: data.count(), count: data.count() }, data);
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}
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this._symbolDraw.updateLayout(data);
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}
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}
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_getClipShape(seriesModel: ScatterSeriesModel) {
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const coordSys = seriesModel.coordinateSystem;
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const clipArea = coordSys && coordSys.getArea && coordSys.getArea();
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return seriesModel.get('clip', true) ? clipArea : null;
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}
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_updateSymbolDraw(data: List, seriesModel: ScatterSeriesModel) {
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let symbolDraw = this._symbolDraw;
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const pipelineContext = seriesModel.pipelineContext;
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const isLargeDraw = pipelineContext.large;
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if (!symbolDraw || isLargeDraw !== this._isLargeDraw) {
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symbolDraw && symbolDraw.remove();
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symbolDraw = this._symbolDraw = isLargeDraw
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? new LargeSymbolDraw()
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: new SymbolDraw();
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this._isLargeDraw = isLargeDraw;
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this.group.removeAll();
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}
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this.group.add(symbolDraw.group);
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return symbolDraw;
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}
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remove(ecModel: GlobalModel, api: ExtensionAPI) {
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this._symbolDraw && this._symbolDraw.remove(true);
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this._symbolDraw = null;
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}
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dispose() {}
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}
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export default ScatterView;
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