[ftools] add warning for simplify tool when no one layer has been sel…

…ected
qgis · Aug 8, 2013 · 272b6e1 · 272b6e1
1 parent 0878fca
commit 272b6e1
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/python/plugins/fTools/tools/doSimplify.py b/python/plugins/fTools/tools/doSimplify.py
@@ -88,6 +88,9 @@ def selectOutputFile( self ):
     self.edOutputFile.setText( self.shapeFileName )
 
   def accept( self ):
+    if not self.cmbInputLayer.currentText():
+      QMessageBox.warning( self, self.tr( "Warning" ), self.tr( "Please specify an input layer" ) )
+      return
     vLayer = ftools_utils.getVectorLayerByName( self.cmbInputLayer.currentText() )
 
     self.btnOk.setEnabled( False )