Select usable Flanders theme by default

2026-07-17 18:37:40 +02:00
parent ce597ee0b4
commit c28958d9c7
2 changed files with 36 additions and 0 deletions
@@ -790,6 +790,40 @@ export function MapWorkspace({
  const onDemandThematicThemeActive = analysisMode === 'current' && Boolean(activeOnDemandThematicProduct)
  const regionalOnDemandThematicThemeActive = regionalScopeSelected && onDemandThematicThemeActive
  const activeThemeAvailable = Boolean(activeThemeDataset) || onDemandThematicThemeActive
+
+  useEffect(() => {
+    if (
+      !flandersScopeSelected
+      || analysisMode !== 'current'
+      || activeThemeAvailable
+      || (onDemandThematicProductMap.size === 0 && !thematicRasterProductsError)
+    ) {
+      return
+    }
+    const fallbackTheme = DATA_THEMES.find((theme) =>
+      theme.id === 'space_occupation'
+      && Boolean(themeDatasetMap[theme.id] || onDemandThematicProductMap.get(theme.id)),
+    ) ?? DATA_THEMES.find((theme) =>
+      Boolean(themeDatasetMap[theme.id] || onDemandThematicProductMap.get(theme.id)),
+    )
+    if (!fallbackTheme) {
+      return
+    }
+    setActiveThemeId(fallbackTheme.id)
+    const fallbackDataset = themeDatasetMap[fallbackTheme.id]
+    if (fallbackDataset) {
+      onOpenDatasetInMap(fallbackDataset)
+    }
+  }, [
+    activeThemeAvailable,
+    analysisMode,
+    flandersScopeSelected,
+    onDemandThematicProductMap,
+    onOpenDatasetInMap,
+    thematicRasterProductsError,
+    themeDatasetMap,
+  ])
+
  const terrainImageOverlays = useMemo(
    () =>
      activeTheme.id === 'elevation' && selectedProjectId