-Fix for ticket #2621

-Also fixed a bug in the select tool that was causing qgis to crash if no feature was selected.

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@13574 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: ersts

src/plugins/evis/eventbrowser/evisgenericeventbrowsergui.cpp

@@ -258,7 +258,7 @@ bool eVisGenericEventBrowserGui::initBrowser( )
    */
   if ( 0 == mVectorLayer->selectedFeatureCount( ) ) //if nothing is selected select everything
   {
-    QgsRectangle myRect = mDataProvider->extent( );
+    QgsRectangle myRect;
     mVectorLayer->select( myRect, true );
     mFeatureIds = mVectorLayer->selectedFeaturesIds( ).toList( );
   }
@@ -267,6 +267,8 @@ bool eVisGenericEventBrowserGui::initBrowser( )
     mFeatureIds = mVectorLayer->selectedFeaturesIds( ).toList( );
   }
 
+  if ( 0 == mFeatureIds.size( ) ) { return false; }
+
   //get the first feature in the list so we can set the field in the pulldown menues
   QgsFeature* myFeature = featureAtId( mFeatureIds.at( mCurrentFeatureIndex ) );
   if ( !myFeature )