SankeySeries.js
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/*
* 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.
*/
/**
* @file Get initial data and define sankey view's series model
* @author Deqing Li(annong035@gmail.com)
*/
import SeriesModel from '../../model/Series';
import createGraphFromNodeEdge from '../helper/createGraphFromNodeEdge';
import {encodeHTML} from '../../util/format';
var SankeySeries = SeriesModel.extend({
type: 'series.sankey',
layoutInfo: null,
/**
* Init a graph data structure from data in option series
*
* @param {Object} option the object used to config echarts view
* @return {module:echarts/data/List} storage initial data
*/
getInitialData: function (option) {
var links = option.edges || option.links;
var nodes = option.data || option.nodes;
if (nodes && links) {
var graph = createGraphFromNodeEdge(nodes, links, this, true);
return graph.data;
}
},
setNodePosition: function (dataIndex, localPosition) {
var dataItem = this.option.data[dataIndex];
dataItem.localX = localPosition[0];
dataItem.localY = localPosition[1];
},
/**
* Return the graphic data structure
*
* @return {module:echarts/data/Graph} graphic data structure
*/
getGraph: function () {
return this.getData().graph;
},
/**
* Get edge data of graphic data structure
*
* @return {module:echarts/data/List} data structure of list
*/
getEdgeData: function () {
return this.getGraph().edgeData;
},
/**
* @override
*/
formatTooltip: function (dataIndex, multipleSeries, dataType) {
// dataType === 'node' or empty do not show tooltip by default
if (dataType === 'edge') {
var params = this.getDataParams(dataIndex, dataType);
var rawDataOpt = params.data;
var html = rawDataOpt.source + ' -- ' + rawDataOpt.target;
if (params.value) {
html += ' : ' + params.value;
}
return encodeHTML(html);
}
return SankeySeries.superCall(this, 'formatTooltip', dataIndex, multipleSeries);
},
optionUpdated: function () {
var option = this.option;
if (option.focusNodeAdjacency === true) {
option.focusNodeAdjacency = 'allEdges';
}
},
defaultOption: {
zlevel: 0,
z: 2,
coordinateSystem: 'view',
layout: null,
// The position of the whole view
left: '5%',
top: '5%',
right: '20%',
bottom: '5%',
// Value can be 'vertical'
orient: 'horizontal',
// The dx of the node
nodeWidth: 20,
// The vertical distance between two nodes
nodeGap: 8,
// Control if the node can move or not
draggable: true,
// Value can be 'inEdges', 'outEdges', 'allEdges', true (the same as 'allEdges').
focusNodeAdjacency: false,
// The number of iterations to change the position of the node
layoutIterations: 32,
label: {
show: true,
position: 'right',
color: '#000',
fontSize: 12
},
itemStyle: {
borderWidth: 1,
borderColor: '#333'
},
lineStyle: {
color: '#314656',
opacity: 0.2,
curveness: 0.5
},
emphasis: {
label: {
show: true
},
lineStyle: {
opacity: 0.6
}
},
animationEasing: 'linear',
animationDuration: 1000
}
});
export default SankeySeries;