g6/packages/site/examples/net/forceDirected/demo/forceDirectedFunctionalParams.js
2023-02-02 10:31:36 +08:00

113 lines
3.0 KiB
JavaScript

import G6 from '@antv/g6';
const container = document.getElementById('container');
const width = container.scrollWidth;
const height = container.scrollHeight || 500;
const graph = new G6.Graph({
container: 'container',
width,
height,
layout: {
type: 'force',
preventOverlap: true,
linkDistance: (d) => {
if (d.source.id === 'node0') {
return 100;
}
return 30;
},
nodeStrength: (d) => {
if (d.isLeaf) {
return -50;
}
return -10;
},
edgeStrength: (d) => {
if (d.source.id === 'node1' || d.source.id === 'node2' || d.source.id === 'node3') {
return 0.7;
}
return 0.1;
},
},
defaultNode: {
color: '#5B8FF9',
},
modes: {
default: ['drag-canvas'],
},
});
const data = {
nodes: [
{ id: 'node0', size: 50 },
{ id: 'node1', size: 30 },
{ id: 'node2', size: 30 },
{ id: 'node3', size: 30 },
{ id: 'node4', size: 30, isLeaf: true },
{ id: 'node5', size: 30, isLeaf: true },
{ id: 'node6', size: 15, isLeaf: true },
{ id: 'node7', size: 15, isLeaf: true },
{ id: 'node8', size: 15, isLeaf: true },
{ id: 'node9', size: 15, isLeaf: true },
{ id: 'node10', size: 15, isLeaf: true },
{ id: 'node11', size: 15, isLeaf: true },
{ id: 'node12', size: 15, isLeaf: true },
{ id: 'node13', size: 15, isLeaf: true },
{ id: 'node14', size: 15, isLeaf: true },
{ id: 'node15', size: 15, isLeaf: true },
{ id: 'node16', size: 15, isLeaf: true },
],
edges: [
{ source: 'node0', target: 'node1' },
{ source: 'node0', target: 'node2' },
{ source: 'node0', target: 'node3' },
{ source: 'node0', target: 'node4' },
{ source: 'node0', target: 'node5' },
{ source: 'node1', target: 'node6' },
{ source: 'node1', target: 'node7' },
{ source: 'node2', target: 'node8' },
{ source: 'node2', target: 'node9' },
{ source: 'node2', target: 'node10' },
{ source: 'node2', target: 'node11' },
{ source: 'node2', target: 'node12' },
{ source: 'node2', target: 'node13' },
{ source: 'node3', target: 'node14' },
{ source: 'node3', target: 'node15' },
{ source: 'node3', target: 'node16' },
],
};
const nodes = data.nodes;
graph.data({
nodes,
edges: data.edges.map(function (edge, i) {
edge.id = 'edge' + i;
return Object.assign({}, edge);
}),
});
graph.render();
graph.on('node:dragstart', function (e) {
graph.layout();
refreshDragedNodePosition(e);
});
graph.on('node:drag', function (e) {
refreshDragedNodePosition(e);
});
graph.on('node:dragend', function (e) {
e.item.get('model').fx = null;
e.item.get('model').fy = null;
});
if (typeof window !== 'undefined')
window.onresize = () => {
if (!graph || graph.get('destroyed')) return;
if (!container || !container.scrollWidth || !container.scrollHeight) return;
graph.changeSize(container.scrollWidth, container.scrollHeight);
};
function refreshDragedNodePosition(e) {
const model = e.item.get('model');
model.fx = e.x;
model.fy = e.y;
}