Enhance dataset view with improved readability, fallback summary, and keyword matching updates

src/components/DatasetDetailPage/MetaDataPanel.tsx

@@ -1,3 +1,4 @@
+import ParticipantsPreview from "./ParticipantsPreview";
 import ArrowCircleRightIcon from "@mui/icons-material/ArrowCircleRight";
 import {
   Box,
@@ -190,13 +191,23 @@ const MetaDataPanel: React.FC<Props> = ({
             })()}
           </Typography>
         </Box>
-        <Box>
-          <Typography sx={{ color: Colors.darkPurple, fontWeight: "600" }}>
-            Subjects
-          </Typography>
-          <Typography sx={{ color: "text.secondary" }}>
-            {dbViewInfo?.rows?.[0]?.value?.subj?.length ?? "N/A"}
-          </Typography>
+        <Box
+          sx={{
+            display: "flex",
+            flexDirection: "row",
+            gap: 2,
+            alignItems: "flex-start",
+          }}
+        >
+          <Box>
+            <Typography sx={{ color: Colors.darkPurple, fontWeight: "600" }}>
+              Subjects
+            </Typography>
+            <Typography sx={{ color: "text.secondary" }}>
+              {dbViewInfo?.rows?.[0]?.value?.subj?.length ?? "N/A"}
+            </Typography>
+          </Box>
+          <ParticipantsPreview datasetDocument={datasetDocument} />
         </Box>
         <Box>
           <Typography sx={{ color: Colors.darkPurple, fontWeight: "600" }}>

src/components/DatasetDetailPage/ParticipantsPreview.tsx

@@ -0,0 +1,97 @@
+import { makeParticipantsTable } from "../../utils/DatasetDetailPageFunctions/participants";
+import {
+  Box,
+  Button,
+  Dialog,
+  DialogContent,
+  DialogTitle,
+  Table,
+  TableBody,
+  TableCell,
+  TableContainer,
+  TableHead,
+  TableRow,
+  Paper,
+} from "@mui/material";
+import { Colors } from "design/theme";
+import React, { useMemo, useState } from "react";
+
+type Props = {
+  datasetDocument: any;
+};
+
+const ParticipantsPreview: React.FC<Props> = ({ datasetDocument }) => {
+  const [open, setOpen] = useState(false);
+
+  const table = useMemo(() => {
+    const part = datasetDocument?.["participants.tsv"];
+    return makeParticipantsTable(part);
+  }, [datasetDocument]);
+
+  if (!table) return null; // No participants.tsv found
+
+  return (
+    <>
+      <Box>
+        <Button
+          variant="outlined"
+          size="small"
+          onClick={() => setOpen(true)}
+          sx={{
+            color: Colors.purple,
+            borderColor: Colors.purple,
+            "&:hover": {
+              color: Colors.secondaryPurple,
+              transform: "scale(1.01)",
+              borderColor: Colors.purple,
+            },
+          }}
+        >
+          Participants Table Preview
+        </Button>
+      </Box>
+
+      <Dialog
+        open={open}
+        onClose={() => setOpen(false)}
+        maxWidth="md"
+        fullWidth
+      >
+        <DialogTitle>participants.tsv</DialogTitle>
+        <DialogContent dividers>
+          <TableContainer component={Paper}>
+            <Table size="small">
+              <TableHead>
+                <TableRow>
+                  {table.columns.map((col) => (
+                    <TableCell
+                      key={col}
+                      sx={{
+                        fontWeight: "bold",
+                        backgroundColor: Colors.darkPurple,
+                        color: Colors.white,
+                      }}
+                    >
+                      {col.replace(/_/g, " ")}
+                    </TableCell>
+                  ))}
+                </TableRow>
+              </TableHead>
+              <TableBody>
+                {table.rows.map((row, rowIdx) => (
+                  <TableRow key={rowIdx}>
+                    {table.columns.map((col) => (
+                      <TableCell key={col}>{row[col]}</TableCell>
+                    ))}
+                  </TableRow>
+                ))}
+              </TableBody>
+            </Table>
+          </TableContainer>
+        </DialogContent>
+      </Dialog>
+    </>
+  );
+};
+
+export default ParticipantsPreview;

src/components/SearchPage/DatabaseCard.tsx

@@ -39,7 +39,7 @@ const DatabaseCard: React.FC<Props> = ({
 }) => {
   const dispatch = useAppDispatch();
   const dbInfo = useAppSelector((state: RootState) => state.neurojson.dbInfo);
-  console.log("dbInfo", dbInfo);
+  // console.log("dbInfo", dbInfo);
   useEffect(() => {
     if (dbId) {
       dispatch(fetchDbInfo(dbId.toLowerCase()));

src/components/SearchPage/DatasetCard.tsx

@@ -1,6 +1,7 @@
 import { Typography, Card, CardContent, Stack, Chip } from "@mui/material";
 import { Colors } from "design/theme";
 import React from "react";
+import { useMemo } from "react";
 import { Link } from "react-router-dom";
 import RoutesEnum from "types/routes.enum";
 
@@ -17,14 +18,73 @@ interface DatasetCardProps {
       info?: {
         Authors?: string[];
         DatasetDOI?: string;
+        [k: string]: any;
       };
+      [k: string]: any;
     };
   };
   index: number;
   onChipClick: (key: string, value: string) => void;
   keyword?: string; // for keyword highlight
 }
 
+/** ---------- utility helpers ---------- **/
+const normalize = (s: string) =>
+  s
+    ?.replace(/[\u2018\u2019\u2032]/g, "'") // curly → straight
+    ?.replace(/[\u201C\u201D\u2033]/g, '"') ?? // curly → straight
+  "";
+
+const containsKeyword = (text?: string, kw?: string) => {
+  if (!text || !kw) return false;
+  const t = normalize(text).toLowerCase();
+  const k = normalize(kw).toLowerCase();
+  return t.includes(k);
+};
+
+/** Find a short snippet in secondary fields if not already visible */
+function findMatchSnippet(
+  v: any,
+  kw?: string
+): { label: string; html: string } | null {
+  if (!kw) return null;
+
+  // Which fields to scan (can add/remove fields here)
+  const CANDIDATE_FIELDS: Array<[string, (v: any) => string | undefined]> = [
+    ["Acknowledgements", (v) => v?.info?.Acknowledgements],
+    [
+      "Funding",
+      (v) =>
+        Array.isArray(v?.info?.Funding)
+          ? v.info.Funding.join(" ")
+          : v?.info?.Funding,
+    ],
+    ["ReferencesAndLinks", (v) => v?.info?.ReferencesAndLinks],
+  ];
+
+  const k = normalize(kw).toLowerCase();
+
+  for (const [label, getter] of CANDIDATE_FIELDS) {
+    const raw = getter(v); // v = parsedJson.value
+    if (!raw) continue;
+    const text = normalize(String(raw));
+    const i = text.toLowerCase().indexOf(k); // k is the lowercase version of keyword
+    if (i >= 0) {
+      const start = Math.max(0, i - 40);
+      const end = Math.min(text.length, i + k.length + 40);
+      const before = text.slice(start, i);
+      const hit = text.slice(i, i + k.length);
+      const after = text.slice(i + k.length, end);
+      const html = `${
+        start > 0 ? "…" : ""
+      }${before}<mark>${hit}</mark>${after}${end < text.length ? "…" : ""}`;
+      return { label, html };
+    }
+  }
+  return null;
+}
+/** ---------- end of helpers ---------- **/
+
 const DatasetCard: React.FC<DatasetCardProps> = ({
   dbname,
   dsname,
@@ -40,7 +100,29 @@ const DatasetCard: React.FC<DatasetCardProps> = ({
   const rawDOI = info?.DatasetDOI?.replace(/^doi:/, "");
   const doiLink = rawDOI ? `https://doi.org/${rawDOI}` : null;
 
-  // keyword hightlight functional component
+  // precompute what’s visible & whether it already contains the keyword
+  const authorsJoined = Array.isArray(info?.Authors)
+    ? info!.Authors.join(", ")
+    : typeof info?.Authors === "string"
+    ? info!.Authors
+    : "";
+
+  const visibleHasKeyword = useMemo(
+    () =>
+      containsKeyword(name, keyword) ||
+      containsKeyword(readme, keyword) ||
+      containsKeyword(authorsJoined, keyword),
+    [name, readme, authorsJoined, keyword]
+  );
+
+  // If not visible, produce a one-line snippet from other fields (for non-visible fields)
+  const snippet = useMemo(
+    () =>
+      !visibleHasKeyword ? findMatchSnippet(parsedJson.value, keyword) : null,
+    [parsedJson.value, keyword, visibleHasKeyword]
+  );
+
+  // keyword hightlight functional component (only for visible fields)
   const highlightKeyword = (text: string, keyword?: string) => {
     if (!keyword || !text?.toLowerCase().includes(keyword.toLowerCase())) {
       return text;
@@ -99,7 +181,10 @@ const DatasetCard: React.FC<DatasetCardProps> = ({
           {highlightKeyword(name || "Untitled Dataset", keyword)}
         </Typography>
         <Typography>
-          Database: {dbname} &nbsp;&nbsp;|&nbsp;&nbsp; Dataset: {dsname}
+          {/* Database: {dbname} &nbsp;&nbsp;|&nbsp;&nbsp; Dataset: {dsname} */}
+          <strong>Database:</strong> {highlightKeyword(dbname, keyword)}
+          {"  "}&nbsp;&nbsp;|&nbsp;&nbsp;{"  "}
+          <strong>Dataset:</strong> {highlightKeyword(dsname, keyword)}
         </Typography>
 
         <Stack spacing={2} margin={1}>
@@ -168,20 +253,35 @@ const DatasetCard: React.FC<DatasetCardProps> = ({
                 {info?.Authors && (
                   <Typography variant="body2" mt={1}>
                     <strong>Authors:</strong>{" "}
-                    {highlightKeyword(
-                      Array.isArray(info.Authors)
-                        ? info.Authors.join(", ")
-                        : typeof info.Authors === "string"
-                        ? info.Authors
-                        : "N/A",
-                      keyword
-                    )}
+                    {highlightKeyword(authorsJoined || "N/A", keyword)}
                   </Typography>
                 )}
               </Typography>
             )}
           </Stack>
 
+          {/* show why it matched if not visible in main fields */}
+          {snippet && (
+            <Stack direction="row" spacing={1} flexWrap="wrap" gap={1}>
+              <Chip
+                label={`Matched in ${snippet.label}`}
+                size="small"
+                sx={{
+                  height: 22,
+                  backgroundColor: "#f9f9ff",
+                  color: Colors.darkPurple,
+                  border: `1px solid ${Colors.lightGray}`,
+                }}
+              />
+              <Typography
+                variant="body2"
+                sx={{ mt: 0.5 }}
+                // safe: snippet is derived from our own strings with <mark> only
+                dangerouslySetInnerHTML={{ __html: snippet.html }}
+              />
+            </Stack>
+          )}
+
           <Stack direction="row" spacing={1} flexWrap="wrap" gap={1}>
             {doiLink && (
               <Stack mt={1}>

src/pages/DatasetDetailPage.tsx

@@ -305,7 +305,7 @@ const DatasetDetailPage: React.FC = () => {
   useEffect(() => {
     if (datasetDocument) {
       // ✅ Extract External Data & Assign `index`
-      console.log("datasetDocument", datasetDocument);
+      // console.log("datasetDocument", datasetDocument);
       const links = extractDataLinks(datasetDocument, "").map(
         (link, index) => ({
           ...link,