d3 force graph version

ui/package.json

@@ -11,7 +11,7 @@
     "react": "^18.2.0",
     "react-data-table-component": "^7.5.2",
     "react-dom": "^18.2.0",
-    "react-flow-renderer": "^10.3.12",
+    "react-force-graph-2d": "^1.23.10",
     "react-scripts": "5.0.1",
     "styled-components": "^5.3.5",
     "web-vitals": "^2.1.4"

ui/src/Network.js

@@ -1,31 +1,62 @@
-import ReactFlow, {useNodesState} from "react-flow-renderer";
 import * as metadata from './api/metadata';
-import {useEffect, useState} from "react";
+import {useEffect, useLayoutEffect, useRef, useState} from "react";
+import ForceGraph2D from 'react-force-graph-2d';
+
+let g1 = {}
 
 const Network = (props) => {
-    const [nodes, setNodes, onNodesChange] = useNodesState([])
-    const [edges, setEdges] = useState([]);
+    const ref = useRef();
+    const [graph, setGraph] = useState({nodes: [], links: []})
 
     useEffect(() => {
         let mounted = true
+        let g1 = graph
+        let interval = setInterval(() => {
             metadata.overview().then(resp => {
-            let ovr = buildGraph(resp.data)
-            setNodes(ovr.nodes)
-            setEdges(ovr.edges)
-            console.log('nodes', ovr.nodes);
+                let g = buildGraph(resp.data)
+                if(!compareGraphs(g, g1)) {
+                    setGraph(g)
+                    g1 = g
+                }
             })
+        }, 1000)
         return () => {
             mounted = false
+            clearInterval(interval)
         }
     }, [])
 
     return (
         <div className={"network"}>
             <h1>Network</h1>
-            <ReactFlow
-                nodes={nodes}
-                edges={edges}
-                onNodesChange={onNodesChange}
+            <ForceGraph2D
+                ref={ref}
+                width={1024}
+                height={300}
+                graphData={graph}
+                nodeDefaultSize={[100, 50]}
+                nodeCanvasObject={(node, ctx, globalScale) => {
+                    const label = node.name;
+                    const fontSize = 12/globalScale;
+                    ctx.font = `${fontSize}px JetBrains Mono`;
+                    const textWidth = ctx.measureText(label).width;
+                    const bckgDimensions = [textWidth, fontSize].map(n => n + fontSize * 2.2); // some padding
+
+                    ctx.fillStyle = '#3b2693';
+                    ctx.strokeStyle = '#3b2693'
+                    ctx.lineWidth = 0.5
+                    ctx.fillRect(node.x - bckgDimensions[0] / 2, node.y - bckgDimensions[1] / 2, ...bckgDimensions);
+
+                    ctx.textAlign = 'center';
+                    ctx.textBaseline = 'middle';
+                    ctx.fillStyle = 'white';
+                    ctx.fillText(label, node.x, node.y);
+
+                    node.__bckgDimensions = bckgDimensions; // to re-use in nodePointerAreaPaint
+                }}
+                onEngineStop={() => {
+                    ref.current.zoomToFit(200);
+                }}
             />
         </div>
     )
@@ -34,34 +65,24 @@ const Network = (props) => {
 function buildGraph(overview) {
     let out = {
         nodes: [],
-        edges: []
+        links: []
     }
-    let id = 1
     overview.forEach((item) => {
-        let envId = id
         out.nodes.push({
-            id: '' + envId,
-            data: {label: 'Environment: ' + item.environment.zitiIdentityId},
-            position: {x: (id * 25), y: 0},
-            draggable: true
+            id: item.environment.zitiIdentityId,
+            name: 'Environment: ' + item.environment.zitiIdentityId
         });
-        id++
         if(item.services != null) {
-            item.services.forEach((item) => {
-                if(item.active) {
+            item.services.forEach((svc) => {
+                if(svc.active) {
                     out.nodes.push({
-                        id: '' + id,
-                        data: {label: 'Service: ' + item.zitiServiceId},
-                        position: {x: (id * 25), y: 0},
-                        draggable: true
+                        id: svc.zitiServiceId,
+                        name: 'Service: ' + svc.zitiServiceId
                     })
-                    out.edges.push({
-                        id: 'e' + envId + '-' + id,
-                        source: '' + envId,
-                        target: '' + id,
-                        animated: true
+                    out.links.push({
+                        source: item.environment.zitiIdentityId,
+                        target: svc.zitiServiceId
                     })
-                    id++
                 }
             });
         }
@@ -69,4 +90,18 @@ function buildGraph(overview) {
     return out
 }
 
+function compareGraphs(g, g1) {
+    if(g.nodes.length !== g1.nodes.length) return false;
+    for(let i = 0; i < g.nodes.length; i++) {
+        if(!compareNodes(g.nodes[i], g1.nodes[i])) return false;
+    }
+    return true
+}
+
+function compareNodes(n, n1) {
+    if(n.id !== n1.id) return false;
+    if(n.name !== n1.name) return false;
+    return true;
+}
+
 export default Network;

ui/src/index.js

@@ -26,7 +26,6 @@ function getAuthorization(security) {
 function getApiKey() {
     const localUser = JSON.parse(localStorage.getItem("user"))
     if(localUser) {
-        console.log('getApiKey', localUser.token)
         return Promise.resolve({ apiKey: localUser.token });
     } else {
         throw new Error("token not available");