/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import * as vec2 from 'zrender/src/core/vector';
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import GraphSeriesModel, { GraphNodeItemOption, GraphEdgeItemOption } from './GraphSeries';
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import Graph from '../../data/Graph';
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import * as zrUtil from 'zrender/src/core/util';
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import {getCurvenessForEdge} from '../helper/multipleGraphEdgeHelper';
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export function simpleLayout(seriesModel: GraphSeriesModel) {
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const coordSys = seriesModel.coordinateSystem;
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if (coordSys && coordSys.type !== 'view') {
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return;
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}
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const graph = seriesModel.getGraph();
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graph.eachNode(function (node) {
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const model = node.getModel<GraphNodeItemOption>();
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node.setLayout([+model.get('x'), +model.get('y')]);
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});
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simpleLayoutEdge(graph, seriesModel);
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}
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export function simpleLayoutEdge(graph: Graph, seriesModel: GraphSeriesModel) {
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graph.eachEdge(function (edge, index) {
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const curveness = zrUtil.retrieve3(
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edge.getModel<GraphEdgeItemOption>().get(['lineStyle', 'curveness']),
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-getCurvenessForEdge(edge, seriesModel, index, true),
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0
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);
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const p1 = vec2.clone(edge.node1.getLayout());
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const p2 = vec2.clone(edge.node2.getLayout());
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const points = [p1, p2];
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if (+curveness) {
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points.push([
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(p1[0] + p2[0]) / 2 - (p1[1] - p2[1]) * curveness,
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(p1[1] + p2[1]) / 2 - (p2[0] - p1[0]) * curveness
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]);
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}
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edge.setLayout(points);
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});
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}
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