[FEATURE] toggle feature selection from identify results (implements #10308)

jef-n · jef-n · commit 45cd8953d930 · 2014-05-20T10:46:33.000+02:00
diff --git a/src/app/qgsidentifyresultsdialog.cpp b/src/app/qgsidentifyresultsdialog.cpp
@@ -944,6 +944,7 @@ void QgsIdentifyResultsDialog::contextMenuEvent( QContextMenuEvent* event )
     {
       mActionPopup->addAction( tr( "Zoom to feature" ), this, SLOT( zoomToFeature() ) );
       mActionPopup->addAction( tr( "Copy feature" ), this, SLOT( copyFeature() ) );
+      mActionPopup->addAction( tr( "Toggle feature selection" ), this, SLOT( toggleFeatureSelection() ) );
     }
 
     mActionPopup->addAction( tr( "Copy attribute value" ), this, SLOT( copyAttributeValue() ) );
@@ -1786,6 +1787,28 @@ void QgsIdentifyResultsDialog::copyFeature()
   emit copyToClipboard( featureStore );
 }
 
+void QgsIdentifyResultsDialog::toggleFeatureSelection()
+{
+  QgsDebugMsg( "Entered" );
+
+  QgsIdentifyResultsFeatureItem *item = dynamic_cast<QgsIdentifyResultsFeatureItem *>( featureItem( lstResults->selectedItems().value( 0 ) ) );
+
+  if ( !item ) // should not happen
+  {
+    QgsDebugMsg( "Selected item is not feature" );
+    return;
+  }
+
+  QgsVectorLayer *vl = qobject_cast<QgsVectorLayer*>( layer( item ) );
+  if ( !vl )
+    return;
+
+  if ( vl->selectedFeaturesIds().contains( item->feature().id() ) )
+    vl->deselect( item->feature().id() );
+  else
+    vl->select( item->feature().id() );
+}
+
 void QgsIdentifyResultsDialog::formatChanged( int index )
 {
   QgsDebugMsg( "Entered" );
diff --git a/src/app/qgsidentifyresultsdialog.h b/src/app/qgsidentifyresultsdialog.h
@@ -66,9 +66,9 @@ class APP_EXPORT QgsIdentifyResultsFeatureItem: public QTreeWidgetItem
 {
   public:
     QgsIdentifyResultsFeatureItem( const QgsFields &fields, const QgsFeature &feature, const QgsCoordinateReferenceSystem &crs, const QStringList & strings = QStringList() );
-    QgsFields fields() const { return mFields; }
-    QgsFeature feature() const { return mFeature; }
-    QgsCoordinateReferenceSystem crs() { return mCrs; }
+    const QgsFields &fields() const { return mFields; }
+    const QgsFeature &feature() const { return mFeature; }
+    const QgsCoordinateReferenceSystem &crs() { return mCrs; }
 
   private:
     QgsFields mFields;
@@ -169,6 +169,7 @@ class APP_EXPORT QgsIdentifyResultsDialog: public QDialog, private Ui::QgsIdenti
     void zoomToFeature();
     void copyAttributeValue();
     void copyFeature();
+    void toggleFeatureSelection();
     void copyFeatureAttributes();
     void copyGetFeatureInfoUrl();
     void highlightAll();
