[quick] add utility method to select feature using their IDs from QML (…

…#32735) * [quick] add utility method to select feature using their IDs from QML * Update qgsquickutils.cpp
qgis · Nov 20, 2019 · f1e6745 · f1e6745
1 parent 129165a
commit f1e6745
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diff --git a/src/quickgui/qgsquickutils.cpp b/src/quickgui/qgsquickutils.cpp
@@ -375,6 +375,14 @@ QString QgsQuickUtils::evaluateExpression( const QgsQuickFeatureLayerPair &pair,
   return expr.evaluate( &context ).toString();
 }
 
+void QgsQuickUtils::selectFeaturesInLayer( QgsVectorLayer *layer, const QList<int> &fids, QgsVectorLayer::SelectBehavior behavior )
+{
+  QgsFeatureIds qgsFids;
+  for ( const int &fid : fids )
+    qgsFids << fid;
+  layer->selectByIds( qgsFids, behavior );
+}
+
 qreal QgsQuickUtils::screenDensity() const
 {
   return mScreenDensity;

diff --git a/src/quickgui/qgsquickutils.h b/src/quickgui/qgsquickutils.h
@@ -253,6 +253,17 @@ class QUICK_EXPORT QgsQuickUtils: public QObject
      */
     Q_INVOKABLE static QString evaluateExpression( const QgsQuickFeatureLayerPair &pair, QgsProject *activeProject, const QString &expression );
 
+    /**
+     * Selects features in a layer
+     * This method is required since QML cannot perform the conversion of a feature ID to a QgsFeatureId (i.e. a qint64)
+     * \param layer the vector layer
+     * \param fids the list of feature IDs
+     * \param behavior the selection behavior
+     *
+     * \since QGIS 3.12
+     */
+    Q_INVOKABLE static void selectFeaturesInLayer( QgsVectorLayer *layer, const QList<int> &fids, QgsVectorLayer::SelectBehavior behavior = QgsVectorLayer::SetSelection );
+
   private:
     static void formatToMetricDistance( double srcDistance,
                                         QgsUnitTypes::DistanceUnit srcUnits,