feat: add footer back to Network page

src/App.css

@@ -23,8 +23,27 @@ footer {
   font-size: x-small;
 }
 
+.fixed-footer {
+  position: absolute;
+  bottom: 4px;
+  left: 8px;
+}
+
+
 /*=========Network Controls=========*/
 
+.infobutton {
+  position: fixed;
+  right: 8px;
+  bottom: 8px;
+  padding: 0.4em;
+  border-radius: 1em;
+  background-color: rgba(0, 0, 0, 0.3);
+  font-size: medium;
+  margin-bottom: 16px;
+  margin-right: 16px;
+}
+
 .controls {
   z-index: 9;
   position: absolute;

src/Footer.tsx

@@ -1,13 +1,20 @@
 import { Link } from "react-router";
 
 export default function Footer() {
-  return <footer>
+  return (
+    <footer>
       <div className="navbar">
-      <Link to="/" ><span>Form</span></Link>
+        <a href="/">
+          <span>Form</span>
+        </a>
         <span>|</span>
-      <Link to="/network" ><span>Trainer Analysis</span></Link>
+        <a href="/network">
+          <span>Trainer Analysis</span>
+        </a>
         <span>|</span>
-      <Link to="/mvp" ><span>MVP</span></Link>
+        <a href="/mvp">
+          <span>MVP</span>
+        </a>
       </div>
       <p className="grey extra-margin">
         something not working?
@@ -20,4 +27,5 @@ export default function Footer() {
         </a>
       </p>
     </footer>
+  );
 }

src/Network.tsx

@@ -1,11 +1,19 @@
-import { useEffect, useMemo, useRef, useState } from "react";
+import { useEffect, useRef, useState } from "react";
 import { apiAuth } from "./api";
-import { GraphCanvas, GraphCanvasRef, GraphEdge, GraphNode, SelectionProps, SelectionResult, useSelection } from "reagraph";
+import {
+  GraphCanvas,
+  GraphCanvasRef,
+  GraphEdge,
+  GraphNode,
+  SelectionProps,
+  SelectionResult,
+  useSelection,
+} from "reagraph";
 import { customTheme } from "./NetworkTheme";
 
 interface NetworkData {
-  nodes: GraphNode[],
+  nodes: GraphNode[];
-  edges: GraphEdge[],
+  edges: GraphEdge[];
 }
 interface CustomSelectionProps extends SelectionProps {
   ignore: (GraphEdge | undefined)[];
@@ -13,11 +21,19 @@ interface CustomSelectionProps extends SelectionProps {
 
 const useCustomSelection = (props: CustomSelectionProps): SelectionResult => {
   var result = useSelection(props);
-  result.actives = result.actives.filter((s) => !props.ignore.map((edge) => edge?.id).includes(s))
+  result.actives = result.actives.filter(
-  const ignored_nodes = props.ignore.map((edge) => (edge && result.selections?.includes(edge.source) && !result.selections?.includes(edge.target)) ? edge.target : "")
+    (s) => !props.ignore.map((edge) => edge?.id).includes(s)
-  result.actives = result.actives.filter((s) => !ignored_nodes.includes(s))
+  );
-  return result
+  const ignored_nodes = props.ignore.map((edge) =>
-}
+    edge &&
+    result.selections?.includes(edge.source) &&
+    !result.selections?.includes(edge.target)
+      ? edge.target
+      : ""
+  );
+  result.actives = result.actives.filter((s) => !ignored_nodes.includes(s));
+  return result;
+};
 
 export const GraphComponent = () => {
   const [data, setData] = useState({ nodes: [], edges: [] } as NetworkData);
@@ -26,31 +42,41 @@ export const GraphComponent = () => {
   const [likes, setLikes] = useState(2);
   const [popularity, setPopularity] = useState(false);
   const [mutuality, setMutuality] = useState(false);
-  const logo = document.getElementById("logo")
+
+  const logo = document.getElementById("logo");
   if (logo) {
     logo.className = "logo networkroute";
   }
+  const footer = document.getElementsByTagName("footer");
+  if (footer) {
+    (footer.item(0) as HTMLElement).className = "fixed-footer";
+  }
 
   async function loadData() {
     setLoading(true);
     await apiAuth("analysis/graph_json", null)
-      .then(json => json as Promise<NetworkData>).then(json => { setData(json) })
+      .then((json) => json as Promise<NetworkData>)
+      .then((json) => {
+        setData(json);
+      });
     setLoading(false);
   }
 
-  useEffect(() => { loadData() }, [])
+  useEffect(() => {
+    loadData();
+  }, []);
 
   const graphRef = useRef<GraphCanvasRef | null>(null);
 
   function handleThreed() {
-    setThreed(!threed)
+    setThreed(!threed);
     graphRef.current?.fitNodesInView();
     graphRef.current?.centerGraph();
     graphRef.current?.resetControls();
   }
 
   function handlePopularity() {
-    setPopularity(!popularity)
+    setPopularity(!popularity);
   }
 
   function handleMutuality() {
@@ -60,15 +86,22 @@ export const GraphComponent = () => {
 
   function showLabel() {
     switch (likes) {
-      case 0: return "dislike";
+      case 0:
-      case 1: return "both";
+        return "dislike";
-      case 2: return "like";
+      case 1:
+        return "both";
+      case 2:
+        return "like";
     }
   }
 
   function findMatches(edges: GraphEdge[]) {
-    const adjacencyList = edges.map((edge) => edge.source + edge.target + edge.data.relation);
+    const adjacencyList = edges.map(
-    return edges.filter((edge) => adjacencyList.includes(edge.target + edge.source + edge.data.relation))
+      (edge) => edge.source + edge.target + edge.data.relation
+    );
+    return edges.filter((edge) =>
+      adjacencyList.includes(edge.target + edge.source + edge.data.relation)
+    );
   }
   //const matches = useMemo(() => findMatches(data.edges), [])
 
@@ -76,31 +109,55 @@ export const GraphComponent = () => {
     const matches = findMatches(data.edges);
     const newEdges = data.edges;
     if (mutuality) {
-      newEdges.forEach((edge) => { if ((likes === 1 || edge.data.relation === likes) && matches.map((edge) => edge.id).includes(edge.id)) { edge.fill = "#9c3"; if (edge.size) edge.size = edge.size * 1.5 } })
+      newEdges.forEach((edge) => {
-    } else {
+        if (
-      newEdges.forEach((edge) => { if ((likes === 1 || edge.data.relation === likes) && matches.map((edge) => edge.id).includes(edge.id)) { edge.fill = edge.data.origFill; edge.size = edge.data.origSize } })
+          (likes === 1 || edge.data.relation === likes) &&
+          matches.map((edge) => edge.id).includes(edge.id)
+        ) {
+          edge.fill = "#9c3";
+          if (edge.size) edge.size = edge.size * 1.5;
         }
-    setData({ nodes: data.nodes, edges: newEdges })
+      });
+    } else {
+      newEdges.forEach((edge) => {
+        if (
+          (likes === 1 || edge.data.relation === likes) &&
+          matches.map((edge) => edge.id).includes(edge.id)
+        ) {
+          edge.fill = edge.data.origFill;
+          edge.size = edge.data.origSize;
+        }
+      });
+    }
+    setData({ nodes: data.nodes, edges: newEdges });
   }
   useEffect(() => {
     if (mutuality) colorMatches(false);
-    colorMatches(mutuality)
+    colorMatches(mutuality);
-  }, [likes])
+  }, [likes]);
 
-  const { selections, actives, onNodeClick, onCanvasClick } = useCustomSelection({
+  const {
+    selections,
+    actives,
+    onNodeClick,
+    onCanvasClick,
+    onNodePointerOver,
+    onNodePointerOut,
+  } = useCustomSelection({
     ref: graphRef,
     nodes: data.nodes,
     edges: data.edges.filter((edge) => edge.data.relation === likes),
-    ignore: data.edges.map((edge) => { if (likes === 1 && edge.data.relation !== 2) return edge }),
+    ignore: data.edges.map((edge) => {
-    pathSelectionType: 'out',
+      if (likes === 1 && edge.data.relation !== 2) return edge;
-    type: 'multiModifier'
+    }),
+    pathSelectionType: "out",
+    pathHoverType: "in",
+    type: "multiModifier",
   });
 
-
   return (
-    <div style={{ position: 'absolute', top: 0, bottom: 0, left: 0, right: 0 }}>
+    <div style={{ position: "absolute", top: 0, bottom: 0, left: 0, right: 0 }}>
       <div className="controls">
-
         <div className="control" onClick={handleMutuality}>
           <div className="switch">
             <input type="checkbox" checked={mutuality} />
@@ -147,24 +204,32 @@ export const GraphComponent = () => {
             <input type="checkbox" checked={popularity} />
             <span className="slider round"></span>
           </div>
-          <span>popularity<sup>*</sup></span>
+          <span>
+            popularity<sup>*</sup>
+          </span>
+        </div>
       </div>
 
+      {popularity && (
+        <div
+          style={{ position: "absolute", bottom: 0, right: "10px", zIndex: 10 }}
+        >
+          <span className="grey" style={{ fontSize: "70%" }}>
+            <sup>*</sup>popularity meassured by rank-weighted in-degree
+          </span>
         </div>
+      )}
 
-      {popularity && <div style={{ position: 'absolute', bottom: 0, right: "10px", zIndex: 10 }}>
+      {loading ? (
-        <span className="grey" style={{ fontSize: "70%" }}><sup>*</sup>popularity meassured by rank-weighted in-degree</span>
+        <span className="loader" />
-      </div>}
+      ) : (
-
-      {
-        loading ? <span className="loader" /> :
         <GraphCanvas
           draggable
           cameraMode={threed ? "rotate" : "pan"}
           layoutType={threed ? "forceDirected3d" : "forceDirected2d"}
           layoutOverrides={{
             nodeStrength: -200,
-              linkDistance: 100
+            linkDistance: 100,
           }}
           labelType="nodes"
           sizingType="attribute"
@@ -172,14 +237,49 @@ export const GraphComponent = () => {
           ref={graphRef}
           theme={customTheme}
           nodes={data.nodes}
-            edges={data.edges.filter((edge) => edge.data.relation === likes || likes === 1)}
+          edges={data.edges.filter(
+            (edge) => edge.data.relation === likes || likes === 1
+          )}
           selections={selections}
           actives={actives}
           onCanvasClick={onCanvasClick}
           onNodeClick={onNodeClick}
+          onNodePointerOut={onNodePointerOut}
+          onNodePointerOver={onNodePointerOver}
         />
-      }
+      )}
+      <button
+        className="infobutton"
+        onClick={() => {
+          const dialog = document.querySelector("dialog[id='InfoDialog']");
+          (dialog as HTMLDialogElement).showModal();
+        }}
+      >
+        info
+      </button>
+
+      <dialog
+        id="InfoDialog"
+        style={{ textAlign: "left" }}
+        onClick={(event) => {
+          event.currentTarget.close();
+        }}
+      >
+        scroll to zoom
+        <br />
+        <br />
+        <b>hover</b>: show inbound links
+        <br />
+        <b>click</b>: show outward links
+        <br />
+        <br />
+        multi-selection possible
+        <br />
+        with <i>Ctrl</i> or <i>Shift</i>
+        <br />
+        <br />
+        drag to pan/rotate
+      </dialog>
     </div>
   );
-}
+};
-