Select Catalog UI for the STAC Browser

packages/base/src/stacBrowser/components/StacPanel.tsx

@@ -1,12 +1,16 @@
 import { IJupyterGISModel } from '@jupytergis/schema';
+import { Dialog } from '@jupyterlab/apputils';
+import { Widget } from '@lumino/widgets';
 import React from 'react';
 
+import { Button } from '@/src/shared/components/Button';
 import {
   Tabs,
   TabsContent,
   TabsList,
   TabsTrigger,
 } from '@/src/shared/components/Tabs';
+import useStacIndex from '@/src/stacBrowser/hooks/useStacIndex';
 import useStacSearch from '@/src/stacBrowser/hooks/useStacSearch';
 import StacPanelFilters from './StacPanelFilters';
 import StacPanelResults from './StacPanelResults';
@@ -15,6 +19,11 @@ interface IStacViewProps {
   model?: IJupyterGISModel;
 }
 const StacPanel = ({ model }: IStacViewProps) => {
+  const inputRef = React.useRef<HTMLInputElement | null>(null);
+  const [selectedCatalog, setSelectedCatalog] = React.useState<string>('');
+
+  const { catalogs, isLoading: isIndexLoading, error } = useStacIndex(model);
+
   const {
     filterState,
     filterSetters,
@@ -38,42 +47,151 @@ const StacPanel = ({ model }: IStacViewProps) => {
     return null;
   }
 
+  if (isIndexLoading) {
+    return (
+      <div className="Select Catalog">
+        <p>Loading...</p>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="Select Catalog">
+        <p>Error loading catalogs.</p>
+      </div>
+    );
+  }
+
+  const handleOpenDialog = async () => {
+    const widget = new URLInputWidget(catalogs);
+    inputRef.current = widget.getInput();
+
+    const dialog = new Dialog<boolean>({
+      title: 'Add Catalog',
+      body: widget,
+      buttons: [Dialog.cancelButton(), Dialog.okButton({ label: 'Select' })],
+    });
+
+    const result = await dialog.launch();
+    if (result.button.accept && inputRef.current) {
+      const url = inputRef.current.value;
+      //console.log('Catalog URL added:', url);
+      setSelectedCatalog(url);
+    }
+  };
+
   return (
-    <Tabs defaultValue="filters" className="jgis-panel-tabs">
-      <TabsList style={{ borderRadius: 0 }}>
-        <TabsTrigger className="jGIS-layer-browser-category" value="filters">
-          Filters
-        </TabsTrigger>
-        <TabsTrigger
-          className="jGIS-layer-browser-category"
-          value="results"
-        >{`Results (${totalResults})`}</TabsTrigger>
-      </TabsList>
-      <TabsContent value="filters">
-        <StacPanelFilters
-          filterState={filterState}
-          filterSetters={filterSetters}
-          startTime={startTime}
-          setStartTime={setStartTime}
-          endTime={endTime}
-          setEndTime={setEndTime}
-          useWorldBBox={useWorldBBox}
-          setUseWorldBBox={setUseWorldBBox}
-        />
-      </TabsContent>
-      <TabsContent value="results">
-        <StacPanelResults
-          results={results}
-          currentPage={currentPage}
-          totalPages={totalPages}
-          handlePaginationClick={handlePaginationClick}
-          handleResultClick={handleResultClick}
-          formatResult={formatResult}
-          isLoading={isLoading}
-        />
-      </TabsContent>
-    </Tabs>
+    <div className="Select Catalog">
+      <Button onClick={handleOpenDialog}>Select a Catalog</Button>
+
+      {selectedCatalog && (
+        <div className="selected-catalog" style={{ marginTop: '10px' }}>
+          <strong>Selected Catalog:</strong> {selectedCatalog}
+        </div>
+      )}
+
+      <Tabs defaultValue="filters" className="jgis-panel-tabs">
+        <TabsList style={{ borderRadius: 0 }}>
+          <TabsTrigger className="jGIS-layer-browser-category" value="filters">
+            Filters
+          </TabsTrigger>
+          <TabsTrigger
+            className="jGIS-layer-browser-category"
+            value="results"
+          >{`Results (${totalResults})`}</TabsTrigger>
+        </TabsList>
+        <TabsContent value="filters">
+          <StacPanelFilters
+            filterState={filterState}
+            filterSetters={filterSetters}
+            startTime={startTime}
+            setStartTime={setStartTime}
+            endTime={endTime}
+            setEndTime={setEndTime}
+            useWorldBBox={useWorldBBox}
+            setUseWorldBBox={setUseWorldBBox}
+          />
+        </TabsContent>
+        <TabsContent value="results">
+          <StacPanelResults
+            results={results}
+            currentPage={currentPage}
+            totalPages={totalPages}
+            handlePaginationClick={handlePaginationClick}
+            handleResultClick={handleResultClick}
+            formatResult={formatResult}
+            isLoading={isLoading}
+          />
+        </TabsContent>
+      </Tabs>
+    </div>
   );
 };
 
 export default StacPanel;
+
+class URLInputWidget extends Widget {
+  private input: HTMLInputElement;
+
+  constructor(catalogs: any[] = []) {
+    const node = document.createElement('div');
+    node.style.padding = '10px';
+
+    // First section: Manual URL entry
+    const label = document.createElement('label');
+    label.textContent = 'Enter Catalog URL:';
+    label.style.display = 'block';
+    label.style.marginBottom = '8px';
+    label.style.fontWeight = 'bold';
+
+    const input = document.createElement('input');
+    input.type = 'url';
+    input.placeholder = 'https://example.com';
+    input.className = 'jgis-stac-url-input';
+
+    // Second section: Select from catalog dropdown
+    const catalogLabel = document.createElement('label');
+    catalogLabel.textContent = 'Or select a catalog:';
+    catalogLabel.style.display = 'block';
+    catalogLabel.style.marginBottom = '8px';
+    catalogLabel.style.fontWeight = 'bold';
+
+    const dropdown = document.createElement('select');
+    dropdown.style.width = '100%';
+    dropdown.style.padding = '8px';
+    dropdown.style.boxSizing = 'border-box';
+    dropdown.style.border = '1px solid #ccc';
+    dropdown.style.borderRadius = '4px';
+    dropdown.style.marginBottom = '10px';
+
+    const defaultOption = document.createElement('option');
+    defaultOption.value = '';
+    defaultOption.textContent = 'Select a catalog...';
+    dropdown.appendChild(defaultOption);
+
+    catalogs.forEach((catalog: any) => {
+      const option = document.createElement('option');
+      option.value = catalog.url;
+      option.textContent = catalog.title;
+      dropdown.appendChild(option);
+    });
+
+    dropdown.addEventListener('change', e => {
+      const selectedUrl = (e.target as HTMLSelectElement).value;
+      input.value = selectedUrl;
+    });
+
+    node.appendChild(label);
+    node.appendChild(input);
+    node.appendChild(catalogLabel);
+    node.appendChild(dropdown);
+
+    super({ node });
+    this.input = input;
+  }
+
+  getInput(): HTMLInputElement {
+    return this.input;
+  }
+}

packages/base/src/stacBrowser/hooks/useStacIndex.ts

@@ -0,0 +1,77 @@
+import { IJupyterGISModel } from '@jupytergis/schema';
+import { useEffect, useState } from 'react';
+
+import { fetchWithProxies } from '@/src/tools';
+
+export interface IStacIndexCatalog {
+  id: number;
+  url: string;
+  slug: string;
+  title: string;
+  summary: string;
+  access: string;
+  created: string;
+  updated: string;
+  isPrivate: boolean;
+  isApi: boolean;
+  accessInfo: string | null;
+}
+
+export type IStacIndexCatalogs = IStacIndexCatalog[];
+
+interface IUseStacIndexReturn {
+  catalogs: IStacIndexCatalogs;
+  isLoading: boolean;
+  error: string | null;
+}
+
+/**
+ * Custom hook for fetching STAC catalogs from stacindex.org API
+ * @param model - JupyterGIS model for proxy configuration
+ * @returns Object containing catalogs list, loading state, and error
+ */
+const useStacIndex = (
+  model: IJupyterGISModel | undefined,
+): IUseStacIndexReturn => {
+  const [isLoading, setIsLoading] = useState(true);
+  const [catalogs, setCatalogs] = useState<IStacIndexCatalogs>([]);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    const fetchCatalogs = async () => {
+      if (!model) {
+        setIsLoading(false);
+        return;
+      }
+
+      try {
+        setIsLoading(true);
+        setError(null);
+
+        const data = (await fetchWithProxies(
+          'https://stacindex.org/api/catalogs',
+          model,
+          async response => await response.json(),
+          undefined,
+          'internal',
+        )) as IStacIndexCatalogs;
+
+        setCatalogs(data || []);
+      } catch (error) {
+        console.error('Error fetching STAC catalogs:', error);
+        setError(
+          error instanceof Error ? error.message : 'Failed to fetch catalogs',
+        );
+        setCatalogs([]);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    fetchCatalogs();
+  }, [model]);
+
+  return { catalogs, isLoading, error };
+};
+
+export default useStacIndex;

packages/base/style/tabPanel.css

@@ -89,3 +89,28 @@
     transparent 20%
   ) !important;
 }
+
+.jgis-stac-catalog-input-label {
+  font-weight: normal;
+  font-size: var(--jp-ui-font-size1);
+  color: var(--jp-ui-font-color1);
+}
+
+.jgis-stac-catalog-input {
+  width: 100%;
+  padding: 8px;
+  box-sizing: border-box;
+  border: 1px solid var(--jp-border-color1);
+  border-radius: 4px;
+  background-color: var(--jp-input-background);
+  color: var(--jp-ui-font-color0);
+}
+
+.jgis-stac-url-input {
+  width: 100%;
+  padding: 8px;
+  box-sizing: border-box;
+  border: 1px solid #ccc;
+  border-radius: 4px;
+  margin-bottom: 20px;
+}

tsconfigbase.json

@@ -20,7 +20,5 @@
     "types": ["node", "webpack-env"],
     "skipLibCheck": true,
     "lib": ["ES2019", "WebWorker", "DOM"]
-  },
-  "esModuleInterop": true,
-  "resolveJsonModule": true
+  }
 }