Decrease complexity of translations

src/undo/AddUndoAction.cpp

@@ -116,26 +116,27 @@ string AddUndoAction::getText()
 				PageLayerPosEntry<Element>* e = (PageLayerPosEntry<Element>*) l->data;
 				if (type != e->element->getType())
 				{
-					text += _(" elements");
+					text += " ";
+					text += _("elements");
 					return text;
 				}
 			}
 
-			if (type == ELEMENT_STROKE)
+			text += " ";
+			switch(type)
 			{
-				text += _(" stroke");
-			}
-			else if (type == ELEMENT_TEXT)
-			{
-				text += _(" text");
-			}
-			else if (type == ELEMENT_IMAGE)
-			{
-				text += _(" image");
-			}
-			else if (type == ELEMENT_TEXIMAGE)
-			{
-				text += _(" latex");
+				case ELEMENT_STROKE:
+					text += _(" stroke");
+					break;
+				case ELEMENT_IMAGE:
+					text += _(" image");
+					break;
+				case ELEMENT_TEXIMAGE:
+					text += _(" latex");
+					break;
+				case ELEMENT_TEXT:
+					text += _(" text");
+					break;
 			}
 		}
 	}