/*
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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 * as graphic from '../../util/graphic';
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import { enableHoverEmphasis } from '../../util/states';
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import type { LineDrawSeriesScope, LineDrawModelOption } from './LineDraw';
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import type List from '../../data/List';
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class Polyline extends graphic.Group {
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constructor(lineData: List, idx: number, seriesScope: LineDrawSeriesScope) {
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super();
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this._createPolyline(lineData, idx, seriesScope);
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}
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private _createPolyline(lineData: List, idx: number, seriesScope: LineDrawSeriesScope) {
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// let seriesModel = lineData.hostModel;
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const points = lineData.getItemLayout(idx);
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const line = new graphic.Polyline({
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shape: {
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points: points
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}
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});
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this.add(line);
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this._updateCommonStl(lineData, idx, seriesScope);
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};
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updateData(lineData: List, idx: number, seriesScope: LineDrawSeriesScope) {
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const seriesModel = lineData.hostModel;
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const line = this.childAt(0) as graphic.Polyline;
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const target = {
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shape: {
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points: lineData.getItemLayout(idx) as number[][]
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}
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};
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graphic.updateProps(line, target, seriesModel, idx);
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this._updateCommonStl(lineData, idx, seriesScope);
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};
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_updateCommonStl(lineData: List, idx: number, seriesScope: LineDrawSeriesScope) {
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const line = this.childAt(0) as graphic.Polyline;
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const itemModel = lineData.getItemModel<LineDrawModelOption>(idx);
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let hoverLineStyle = seriesScope && seriesScope.emphasisLineStyle;
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if (!seriesScope || lineData.hasItemOption) {
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hoverLineStyle = itemModel.getModel(['emphasis', 'lineStyle']).getLineStyle();
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}
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line.useStyle(lineData.getItemVisual(idx, 'style'));
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line.style.fill = null;
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line.style.strokeNoScale = true;
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const lineEmphasisState = line.ensureState('emphasis');
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lineEmphasisState.style = hoverLineStyle;
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enableHoverEmphasis(this);
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};
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updateLayout(lineData: List, idx: number) {
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const polyline = this.childAt(0) as graphic.Polyline;
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polyline.setShape('points', lineData.getItemLayout(idx));
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};
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}
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export default Polyline;
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