feat: Add support for loading data from localStorage using storageKey parameter in embedded mode

Author: ErykKul

src/jsonld-editor/core.js

@@ -113,7 +113,60 @@ $(document).ready(async function () {
     const modeParam = urlParams.get("mode");
     const isEmbeddedMode = modeParam === "embedded" || window.parent !== window;
 
+    // Check for storageKey parameter (data passed via localStorage from external app)
+    const storageKeyParam = urlParams.get("storageKey");
+
     if (!fileId || !siteUrl) {
+      // Check if we have data in localStorage from storageKey parameter
+      if (storageKeyParam) {
+        const storedData = localStorage.getItem(storageKeyParam);
+        if (storedData) {
+          // Clean up localStorage immediately after reading
+          localStorage.removeItem(storageKeyParam);
+
+          try {
+            const jsonData = JSON.parse(storedData);
+            logInfo("Loaded data from localStorage via storageKey parameter");
+
+            // Set original filename
+            setOriginalFileName("ddi-cdi-metadata.jsonld");
+
+            // Normalize and prepare the data
+            const normalizedData = await normalizeToGraphFormat(jsonData);
+            const migratedData = await migrateContextFormat(normalizedData);
+            const expanded = await jsonld.expand(migratedData);
+
+            setJsonData(migratedData);
+            setOriginalData(JSON.parse(JSON.stringify(migratedData)));
+            setExpandedJsonLd(expanded);
+
+            // Pre-populate Dataverse URL field if provided
+            const dataverseUrlParam = urlParams.get("dataverseUrl");
+            const datasetPidParam = urlParams.get("datasetPid");
+            if (dataverseUrlParam && datasetPidParam) {
+              // Build the dataset URL for the Dataverse URL input field
+              // The persistentId must be URL-encoded in the query parameter
+              const fullUrl = `${dataverseUrlParam}/dataset.xhtml?persistentId=${encodeURIComponent(datasetPidParam)}`;
+              $("#dataverseUrlInput").val(fullUrl);
+              logInfo(
+                `Pre-populated Dataverse URL: ${fullUrl} (dataset PID: ${datasetPidParam})`
+              );
+            }
+
+            // Show the Save to Dataverse button in standalone mode
+            $("#load-local-btn").show();
+            $("#load-dataverse-btn").show();
+
+            setupEventHandlers();
+            await renderData();
+
+            return;
+          } catch (error) {
+            logError("Failed to parse data from localStorage:", error);
+          }
+        }
+      }
+
       if (isEmbeddedMode) {
         // In embedded mode, wait for data from parent via postMessage
         setIsEmbeddedMode(true);