Polyline.js
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var graphic = require("../../util/graphic");
var zrUtil = require("zrender/lib/core/util");
/*
* 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
*/
/**
* @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);
var _default = Polyline;
module.exports = _default;