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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. | |
| */ | |
| import * as zrUtil from 'zrender/src/core/util'; | |
| import VisualMapping from '../../visual/VisualMapping'; | |
| import GlobalModel from '../../model/Global'; | |
| import SankeySeriesModel, { SankeyEdgeItemOption, SankeyNodeItemOption } from './SankeySeries'; | |
| export default function sankeyVisual(ecModel: GlobalModel) { | |
| ecModel.eachSeriesByType('sankey', function (seriesModel: SankeySeriesModel) { | |
| const graph = seriesModel.getGraph(); | |
| const nodes = graph.nodes; | |
| const edges = graph.edges; | |
| if (nodes.length) { | |
| let minValue = Infinity; | |
| let maxValue = -Infinity; | |
| zrUtil.each(nodes, function (node) { | |
| const nodeValue = node.getLayout().value; | |
| if (nodeValue < minValue) { | |
| minValue = nodeValue; | |
| } | |
| if (nodeValue > maxValue) { | |
| maxValue = nodeValue; | |
| } | |
| }); | |
| zrUtil.each(nodes, function (node) { | |
| const mapping = new VisualMapping({ | |
| type: 'color', | |
| mappingMethod: 'linear', | |
| dataExtent: [minValue, maxValue], | |
| visual: seriesModel.get('color') | |
| }); | |
| const mapValueToColor = mapping.mapValueToVisual(node.getLayout().value); | |
| const customColor = node.getModel<SankeyNodeItemOption>().get(['itemStyle', 'color']); | |
| if (customColor != null) { | |
| node.setVisual('color', customColor); | |
| node.setVisual('style', {fill: customColor}); | |
| } | |
| else { | |
| node.setVisual('color', mapValueToColor); | |
| node.setVisual('style', {fill: mapValueToColor}); | |
| } | |
| }); | |
| } | |
| if (edges.length) { | |
| zrUtil.each(edges, function (edge) { | |
| const edgeStyle = edge.getModel<SankeyEdgeItemOption>().get('lineStyle'); | |
| edge.setVisual('style', edgeStyle); | |
| }); | |
| } | |
| }); | |
| } |