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/*
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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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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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/*
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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 { forceLayout } from './forceHelper.js';
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import { simpleLayout } from './simpleLayoutHelper.js';
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import { circularLayout } from './circularLayoutHelper.js';
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import { linearMap } from '../../util/number.js';
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import * as vec2 from 'zrender/lib/core/vector.js';
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import * as zrUtil from 'zrender/lib/core/util.js';
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import { getCurvenessForEdge } from '../helper/multipleGraphEdgeHelper.js';
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export default function graphForceLayout(ecModel) {
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ecModel.eachSeriesByType('graph', function (graphSeries) {
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var coordSys = graphSeries.coordinateSystem;
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if (coordSys && coordSys.type !== 'view') {
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return;
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}
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if (graphSeries.get('layout') === 'force') {
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var preservedPoints_1 = graphSeries.preservedPoints || {};
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var graph_1 = graphSeries.getGraph();
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var nodeData_1 = graph_1.data;
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var edgeData = graph_1.edgeData;
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var forceModel = graphSeries.getModel('force');
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var initLayout = forceModel.get('initLayout');
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if (graphSeries.preservedPoints) {
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nodeData_1.each(function (idx) {
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var id = nodeData_1.getId(idx);
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nodeData_1.setItemLayout(idx, preservedPoints_1[id] || [NaN, NaN]);
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});
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} else if (!initLayout || initLayout === 'none') {
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simpleLayout(graphSeries);
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} else if (initLayout === 'circular') {
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circularLayout(graphSeries, 'value');
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}
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var nodeDataExtent_1 = nodeData_1.getDataExtent('value');
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var edgeDataExtent_1 = edgeData.getDataExtent('value'); // let edgeDataExtent = edgeData.getDataExtent('value');
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var repulsion = forceModel.get('repulsion');
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var edgeLength = forceModel.get('edgeLength');
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var repulsionArr_1 = zrUtil.isArray(repulsion) ? repulsion : [repulsion, repulsion];
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var edgeLengthArr_1 = zrUtil.isArray(edgeLength) ? edgeLength : [edgeLength, edgeLength]; // Larger value has smaller length
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edgeLengthArr_1 = [edgeLengthArr_1[1], edgeLengthArr_1[0]];
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var nodes_1 = nodeData_1.mapArray('value', function (value, idx) {
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var point = nodeData_1.getItemLayout(idx);
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var rep = linearMap(value, nodeDataExtent_1, repulsionArr_1);
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if (isNaN(rep)) {
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rep = (repulsionArr_1[0] + repulsionArr_1[1]) / 2;
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}
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return {
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w: rep,
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rep: rep,
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fixed: nodeData_1.getItemModel(idx).get('fixed'),
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p: !point || isNaN(point[0]) || isNaN(point[1]) ? null : point
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};
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});
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var edges = edgeData.mapArray('value', function (value, idx) {
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var edge = graph_1.getEdgeByIndex(idx);
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var d = linearMap(value, edgeDataExtent_1, edgeLengthArr_1);
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if (isNaN(d)) {
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d = (edgeLengthArr_1[0] + edgeLengthArr_1[1]) / 2;
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}
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var edgeModel = edge.getModel();
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var curveness = zrUtil.retrieve3(edge.getModel().get(['lineStyle', 'curveness']), -getCurvenessForEdge(edge, graphSeries, idx, true), 0);
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return {
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n1: nodes_1[edge.node1.dataIndex],
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n2: nodes_1[edge.node2.dataIndex],
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d: d,
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curveness: curveness,
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ignoreForceLayout: edgeModel.get('ignoreForceLayout')
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};
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}); // let coordSys = graphSeries.coordinateSystem;
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var rect = coordSys.getBoundingRect();
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var forceInstance = forceLayout(nodes_1, edges, {
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rect: rect,
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gravity: forceModel.get('gravity'),
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friction: forceModel.get('friction')
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});
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forceInstance.beforeStep(function (nodes, edges) {
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for (var i = 0, l = nodes.length; i < l; i++) {
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if (nodes[i].fixed) {
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// Write back to layout instance
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vec2.copy(nodes[i].p, graph_1.getNodeByIndex(i).getLayout());
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}
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}
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});
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forceInstance.afterStep(function (nodes, edges, stopped) {
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for (var i = 0, l = nodes.length; i < l; i++) {
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if (!nodes[i].fixed) {
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graph_1.getNodeByIndex(i).setLayout(nodes[i].p);
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}
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preservedPoints_1[nodeData_1.getId(i)] = nodes[i].p;
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}
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for (var i = 0, l = edges.length; i < l; i++) {
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var e = edges[i];
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var edge = graph_1.getEdgeByIndex(i);
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var p1 = e.n1.p;
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var p2 = e.n2.p;
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var points = edge.getLayout();
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points = points ? points.slice() : [];
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points[0] = points[0] || [];
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points[1] = points[1] || [];
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vec2.copy(points[0], p1);
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vec2.copy(points[1], p2);
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if (+e.curveness) {
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points[2] = [(p1[0] + p2[0]) / 2 - (p1[1] - p2[1]) * e.curveness, (p1[1] + p2[1]) / 2 - (p2[0] - p1[0]) * e.curveness];
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}
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edge.setLayout(points);
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}
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});
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graphSeries.forceLayout = forceInstance;
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graphSeries.preservedPoints = preservedPoints_1; // Step to get the layout
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forceInstance.step();
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} else {
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// Remove prev injected forceLayout instance
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graphSeries.forceLayout = null;
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}
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});
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}
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