[browser] Gpkg and other container types can be dragged to the map

to allow layers to be added from them Otherwise it's impossible to select multiple gpkg files from the browser to add them all at once, and users have to add them one-by-one
qgis · Sep 16, 2020 · 0234d4e · 0234d4e
1 parent 7e8c7b3
commit 0234d4e
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diff --git a/src/core/providers/ogr/qgsgeopackagedataitems.cpp b/src/core/providers/ogr/qgsgeopackagedataitems.cpp
@@ -394,3 +394,17 @@ bool QgsGeoPackageCollectionItem::layerCollection() const
 {
   return true;
 }
+
+bool QgsGeoPackageCollectionItem::hasDragEnabled() const
+{
+  return true;
+}
+
+QgsMimeDataUtils::Uri QgsGeoPackageCollectionItem::mimeUri() const
+{
+  QgsMimeDataUtils::Uri u;
+  u.providerKey = QStringLiteral( "ogr" );
+  u.uri = path();
+  u.layerType = QStringLiteral( "vector" );
+  return u;
+}
diff --git a/src/core/providers/ogr/qgsgeopackagedataitems.h b/src/core/providers/ogr/qgsgeopackagedataitems.h
@@ -65,6 +65,8 @@ class CORE_EXPORT QgsGeoPackageCollectionItem : public QgsDataCollectionItem
     // QgsDataItem interface
   public:
     bool layerCollection() const override;
+    bool hasDragEnabled() const override;
+    QgsMimeDataUtils::Uri mimeUri() const override;
 };
 
 

diff --git a/src/core/providers/ogr/qgsogrdataitems.cpp b/src/core/providers/ogr/qgsogrdataitems.cpp
@@ -442,6 +442,20 @@ bool QgsOgrDataCollectionItem::createConnection( const QString &name, const QStr
   return saveConnection( path, ogrDriverName );
 }
 
+bool QgsOgrDataCollectionItem::hasDragEnabled() const
+{
+  return true;
+}
+
+QgsMimeDataUtils::Uri QgsOgrDataCollectionItem::mimeUri() const
+{
+  QgsMimeDataUtils::Uri u;
+  u.providerKey = QStringLiteral( "ogr" );
+  u.uri = path();
+  u.layerType = QStringLiteral( "vector" );
+  return u;
+}
+
 // ---------------------------------------------------------------------------
 
 QString QgsOgrDataItemProvider::name()

diff --git a/src/core/providers/ogr/qgsogrdataitems.h b/src/core/providers/ogr/qgsogrdataitems.h
@@ -129,6 +129,9 @@ class CORE_EXPORT QgsOgrDataCollectionItem final: public QgsDataCollectionItem
      * \param ogrDriverName the OGR/GDAL driver name (e.g. "GPKG")
      */
     static bool createConnection( const QString &name, const QString &extensions, const QString &ogrDriverName );
+
+    bool hasDragEnabled() const override;
+    QgsMimeDataUtils::Uri mimeUri() const override;
 };
 
 //! Provider for OGR root data item