detail view scaffolding; selection management (#107)

ui/src/console/Console.js

@@ -4,6 +4,7 @@ import Visualizer from "./visualizer/Visualizer";
 import Enable from "./modals/Enable";
 import Version from "./modals/Version";
 import * as metadata from "../api/metadata";
+import Detail from "./Detail";
 
 const Console = (props) => {
     const [showEnableModal, setShowEnableModal] = useState(false);
@@ -38,7 +39,10 @@ const Console = (props) => {
             mounted = false;
             clearInterval(interval);
         }
-    }, [])
+    }, []);
+
+    const defaultSelection = {id: props.user.token, type: "account"};
+    const [selection, setSelection] = useState(defaultSelection);
 
     return (
         <Container fluid={"xl"}>
@@ -60,7 +64,14 @@ const Console = (props) => {
                     </Navbar.Collapse>
                 </Container>
             </Navbar>
-            <Visualizer user={props.user} overview={overview} />
+            <Visualizer
+                user={props.user}
+                overview={overview}
+                defaultSelection={defaultSelection}
+                selection={selection}
+                setSelection={setSelection}
+            />
+            <Detail selection={selection} />
             <Enable show={showEnableModal} onHide={closeEnableModal} token={props.user.token} />
             <Version show={showVersionModal} onHide={closeVersionModal} />
         </Container>

ui/src/console/Detail.js

@@ -0,0 +1,9 @@
+const Detail = (props) => {
+    return (
+        <div className={"detail-container"}>
+            <h1>{props.selection.id} ({props.selection.type})</h1>
+        </div>
+    );
+};
+
+export default Detail;

ui/src/console/visualizer/Network.js

@@ -16,12 +16,11 @@ const Network = (props) => {
     }, []);
 
     const paintNode = (node, ctx) => {
-        let nodeColor = "#555";
+        let nodeColor = "#636363";
         let textColor = "white";
         switch(node.type) {
             case "environment":
-                nodeColor = "#777";
-                textColor = "black";
+                nodeColor = "#444";
                 break;
             case "service":
                 nodeColor = "#291A66";
@@ -38,10 +37,15 @@ const Network = (props) => {
         roundRect(ctx, node.x - (nodeWidth / 2), node.y - 7, nodeWidth, 14, 1.25);
         ctx.fill();
 
-        switch(node.type) {
-            case "service":
-                ctx.strokeStyle = "#433482";
-                ctx.stroke();
+        if(node.selected) {
+            ctx.strokeStyle = "#c4bdde";
+            ctx.stroke();
+        } else {
+            switch(node.type) {
+                case "service":
+                    ctx.strokeStyle = "#433482";
+                    ctx.stroke();
+            }
         }
 
         ctx.fillStyle = textColor;
@@ -49,7 +53,7 @@ const Network = (props) => {
     }
 
     const nodeClicked = (node) => {
-        console.log("node clicked", node.label);
+        props.setSelection({id: node.id, type: node.type});
     }
 
     return (

ui/src/console/visualizer/Visualizer.js

@@ -2,13 +2,26 @@ import React, {useEffect, useState} from "react";
 import {Button} from "react-bootstrap";
 import Network from "./Network";
 import {mergeGraph} from "./graph";
+import {isSelectionGone, markSelected} from "./selection";
 
 const Visualizer = (props) => {
     const [networkGraph, setNetworkGraph] = useState({nodes: [], links: []});
 
     useEffect(() => {
         setNetworkGraph(mergeGraph(networkGraph, props.user, props.overview));
-    }, [props]);
+
+        if(isSelectionGone(networkGraph, props.selection)) {
+            // if the selection is no longer in the network graph...
+            console.log("resetting selection", props.selection);
+            props.setSelection(props.defaultSelection);
+        }
+    }, [props.overview]);
+
+    markSelected(networkGraph, props.selection);
+
+    useEffect(() => {
+        markSelected(networkGraph, props.selection);
+    }, [props.selection]);
 
     // fgRef to access force graph controls from this component
     let fgRef = () => { };
@@ -26,6 +39,7 @@ const Visualizer = (props) => {
                 <Network
                     networkGraph={networkGraph}
                     setRef={setFgRef}
+                    setSelection={props.setSelection}
                 />
                 <div className={"visualizer-controls"}>
                     <Button variant={"secondary"} size={"sm"} onClick={centerFocus}>Zoom to Fit</Button>

ui/src/console/visualizer/selection.js

@@ -0,0 +1,8 @@
+export const isSelectionGone = (networkGraph, selection) => {
+    // the selection is gone if the selection is not found in the network graph
+    return !networkGraph.nodes.find(node => selection.id === node.id);
+}
+
+export const markSelected = (networkGraph, selection) => {
+    networkGraph.nodes.forEach(node => { node.selected = node.id === selection.id; });
+}

ui/src/index.css

@@ -14,6 +14,14 @@ code, pre {
     padding: 15px 50px 20px;
 }
 
+.header-title {
+    font-family: 'Russo One', sans-serif;
+    font-size: 3em;
+    margin-left: 0.53em;
+    vertical-align: center;
+    line-height: 1.7;
+}
+
 .visualizer-container {
     padding: 10px;
     background: #3b2693;
@@ -25,12 +33,8 @@ code, pre {
     margin-top: 5px;
 }
 
-.header-title {
-    font-family: 'Russo One', sans-serif;
-    font-size: 3em;
-    margin-left: 0.53em;
-    vertical-align: center;
-    line-height: 1.7;
+.detail-container {
+    margin-top: 15px;
 }
 
 .btn-close {