次のノードをクリックして vis.js にグラフの一部を表示でき1205
ますが、同じノードを 2 回クリックすると展開された部分を非表示にする方法がわかりませんか?
var nodes = new vis.DataSet([
{id: 2696, label: "l"},
{id: 1205, label: "l"},
{id: 2697, label: "l"}
]);
var edges = new vis.DataSet([
{from: 2696, to: 2697},
{from: 2696, to: 1205}
]);
var container = document.getElementById('mynetwork');
var data = {
nodes: nodes,
edges: edges
};
var network = new vis.Network(container, data, {});
network.on("click", function(e) {
tw_id = 1205;
if (e.nodes[0] == tw_id) {
sel_id = e.nodes[0];
var node = nodes.get(e.nodes[0]);
nodes.add([
{id: 2021, label: "l"},
{id: 2047, label: "l"}
]);
edges.add([
{from: 1205, to: 2021},
{from: 1205, to: 2047}
]);
nodes.update(node);
}
});
#mynetwork {
width: 400px;
height: 300px;
border: 1px solid lightgray;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.17.0/vis.min.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.17.0/vis.min.js"></script>
<div id="mynetwork"></div>