Expose "Change Data Source" option for file-based vector tile layers

nyalldawson · nyalldawson · commit f499f49e09e0 · 2023-03-24T11:50:55.000+10:00
diff --git a/src/app/qgsapplayertreeviewmenuprovider.cpp b/src/app/qgsapplayertreeviewmenuprovider.cpp
@@ -53,6 +53,10 @@
 #include "qgsmeshlayer.h"
 #include "qgsmapcanvasutils.h"
 #include "qgsmaplayeraction.h"
+#include "qgsvectortilelayer.h"
+#include "qgsvectortiledataprovider.h"
+#include "qgsproviderregistry.h"
+#include "qgsprovidermetadata.h"
 
 QgsAppLayerTreeViewMenuProvider::QgsAppLayerTreeViewMenuProvider( QgsLayerTreeView *view, QgsMapCanvas *canvas )
   : mView( view )
@@ -157,6 +161,7 @@ QMenu *QgsAppLayerTreeViewMenuProvider::createContextMenu()
       QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( layer );
       QgsPointCloudLayer *pcLayer = qobject_cast<QgsPointCloudLayer * >( layer );
       QgsMeshLayer *meshLayer = qobject_cast<QgsMeshLayer * >( layer );
+      QgsVectorTileLayer *vectorTileLayer = qobject_cast<QgsVectorTileLayer * >( layer );
 
       if ( layer && layer->isSpatial() )
       {
@@ -381,8 +386,16 @@ QMenu *QgsAppLayerTreeViewMenuProvider::createContextMenu()
         menu->addAction( tr( "&Filter…" ), QgisApp::instance(), qOverload<>( &QgisApp::layerSubsetString ) );
       }
 
-      // change data source is only supported for vectors, rasters, point clouds, mesh
-      if ( vlayer || rlayer || pcLayer || meshLayer )
+      // change data source is only supported for vectors, rasters, point clouds, mesh, some vector tile layers
+      bool supportsChangeDataSource = vlayer || rlayer || pcLayer || meshLayer;
+      if ( vectorTileLayer )
+      {
+        if ( const QgsProviderMetadata *metadata = QgsProviderRegistry::instance()->providerMetadata( vectorTileLayer->providerType() ) )
+        {
+          supportsChangeDataSource = metadata->providerCapabilities() & QgsProviderMetadata::FileBasedUris;
+        }
+      }
+      if ( supportsChangeDataSource )
       {
 
         QAction *a = new QAction( layer->isValid() ? tr( "C&hange Data Source…" ) : tr( "Repair Data Source…" ), menu );
