edgeVisual.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.
*/
function normalize(a) {
if (!(a instanceof Array)) {
a = [a, a];
}
return a;
}
function _default(ecModel) {
ecModel.eachSeriesByType('graph', function (seriesModel) {
var graph = seriesModel.getGraph();
var edgeData = seriesModel.getEdgeData();
var symbolType = normalize(seriesModel.get('edgeSymbol'));
var symbolSize = normalize(seriesModel.get('edgeSymbolSize'));
var colorQuery = 'lineStyle.color'.split('.');
var opacityQuery = 'lineStyle.opacity'.split('.');
edgeData.setVisual('fromSymbol', symbolType && symbolType[0]);
edgeData.setVisual('toSymbol', symbolType && symbolType[1]);
edgeData.setVisual('fromSymbolSize', symbolSize && symbolSize[0]);
edgeData.setVisual('toSymbolSize', symbolSize && symbolSize[1]);
edgeData.setVisual('color', seriesModel.get(colorQuery));
edgeData.setVisual('opacity', seriesModel.get(opacityQuery));
edgeData.each(function (idx) {
var itemModel = edgeData.getItemModel(idx);
var edge = graph.getEdgeByIndex(idx);
var symbolType = normalize(itemModel.getShallow('symbol', true));
var symbolSize = normalize(itemModel.getShallow('symbolSize', true)); // Edge visual must after node visual
var color = itemModel.get(colorQuery);
var opacity = itemModel.get(opacityQuery);
switch (color) {
case 'source':
color = edge.node1.getVisual('color');
break;
case 'target':
color = edge.node2.getVisual('color');
break;
}
symbolType[0] && edge.setVisual('fromSymbol', symbolType[0]);
symbolType[1] && edge.setVisual('toSymbol', symbolType[1]);
symbolSize[0] && edge.setVisual('fromSymbolSize', symbolSize[0]);
symbolSize[1] && edge.setVisual('toSymbolSize', symbolSize[1]);
edge.setVisual('color', color);
edge.setVisual('opacity', opacity);
});
});
}
module.exports = _default;