| /* |
| * 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. |
| */ |
| |
| /** |
| * @module echarts/chart/helper/Line |
| */ |
| import * as graphic from '../../util/graphic'; |
| import * as zrUtil from 'zrender/src/core/util'; |
| /** |
| * @constructor |
| * @extends {module:zrender/graphic/Group} |
| * @alias {module:echarts/chart/helper/Polyline} |
| */ |
| |
| function Polyline(lineData, idx, seriesScope) { |
| graphic.Group.call(this); |
| |
| this._createPolyline(lineData, idx, seriesScope); |
| } |
| |
| var polylineProto = Polyline.prototype; |
| |
| polylineProto._createPolyline = function (lineData, idx, seriesScope) { |
| // var seriesModel = lineData.hostModel; |
| var points = lineData.getItemLayout(idx); |
| var line = new graphic.Polyline({ |
| shape: { |
| points: points |
| } |
| }); |
| this.add(line); |
| |
| this._updateCommonStl(lineData, idx, seriesScope); |
| }; |
| |
| polylineProto.updateData = function (lineData, idx, seriesScope) { |
| var seriesModel = lineData.hostModel; |
| var line = this.childAt(0); |
| var target = { |
| shape: { |
| points: lineData.getItemLayout(idx) |
| } |
| }; |
| graphic.updateProps(line, target, seriesModel, idx); |
| |
| this._updateCommonStl(lineData, idx, seriesScope); |
| }; |
| |
| polylineProto._updateCommonStl = function (lineData, idx, seriesScope) { |
| var line = this.childAt(0); |
| var itemModel = lineData.getItemModel(idx); |
| var visualColor = lineData.getItemVisual(idx, 'color'); |
| var lineStyle = seriesScope && seriesScope.lineStyle; |
| var hoverLineStyle = seriesScope && seriesScope.hoverLineStyle; |
| |
| if (!seriesScope || lineData.hasItemOption) { |
| lineStyle = itemModel.getModel('lineStyle').getLineStyle(); |
| hoverLineStyle = itemModel.getModel('emphasis.lineStyle').getLineStyle(); |
| } |
| |
| line.useStyle(zrUtil.defaults({ |
| strokeNoScale: true, |
| fill: 'none', |
| stroke: visualColor |
| }, lineStyle)); |
| line.hoverStyle = hoverLineStyle; |
| graphic.setHoverStyle(this); |
| }; |
| |
| polylineProto.updateLayout = function (lineData, idx) { |
| var polyline = this.childAt(0); |
| polyline.setShape('points', lineData.getItemLayout(idx)); |
| }; |
| |
| zrUtil.inherits(Polyline, graphic.Group); |
| export default Polyline; |