/*
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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 { StageHandler } from '../../util/types';
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import List from '../../data/List';
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import LinesSeriesModel, { LinesDataItemOption } from './LinesSeries';
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import Model from '../../model/Model';
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import { LineDataVisual } from '../../visual/commonVisualTypes';
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function normalize(a: string | string[]): string[];
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function normalize(a: number | number[]): number[];
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function normalize(a: string | number | (string | number)[]): (string | number)[] {
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if (!(a instanceof Array)) {
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a = [a, a];
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}
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return a;
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}
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const linesVisual: StageHandler = {
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seriesType: 'lines',
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reset(seriesModel: LinesSeriesModel) {
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const symbolType = normalize(seriesModel.get('symbol'));
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const symbolSize = normalize(seriesModel.get('symbolSize'));
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const data = seriesModel.getData() as List<LinesSeriesModel, LineDataVisual>;
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data.setVisual('fromSymbol', symbolType && symbolType[0]);
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data.setVisual('toSymbol', symbolType && symbolType[1]);
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data.setVisual('fromSymbolSize', symbolSize && symbolSize[0]);
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data.setVisual('toSymbolSize', symbolSize && symbolSize[1]);
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function dataEach(
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data: List<LinesSeriesModel, LineDataVisual>,
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idx: number
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): void {
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const itemModel = data.getItemModel(idx) as Model<LinesDataItemOption>;
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const symbolType = normalize(itemModel.getShallow('symbol', true));
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const symbolSize = normalize(itemModel.getShallow('symbolSize', true));
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symbolType[0] && data.setItemVisual(idx, 'fromSymbol', symbolType[0]);
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symbolType[1] && data.setItemVisual(idx, 'toSymbol', symbolType[1]);
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symbolSize[0] && data.setItemVisual(idx, 'fromSymbolSize', symbolSize[0]);
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symbolSize[1] && data.setItemVisual(idx, 'toSymbolSize', symbolSize[1]);
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}
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return {
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dataEach: data.hasItemOption ? dataEach : null
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};
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}
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};
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export default linesVisual;
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