Refactoring: call setAttribute() directly.

Call this->setAttribute(...) directly instead of
this->getRepr()->setAttribute(...). This avoids clutter and mental indirection.

See
http://wiki.inkscape.org/wiki/index.php?title=Refactoring_projects&oldid=112116

and https://en.wikipedia.org/wiki/Law_of_Demeter .

---

I hereby disclaim any implicit or explicit ownership of my changes in this
changeset, and put them under a multiple licence consisting of your choice of
one of more of:

- The CC0 / Public Domain - https://creativecommons.org/choose/zero/ .

- The MIT / Expat license - https://en.wikipedia.org/wiki/MIT_License

- The default licence of your project

- The https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License - version
2.1 or higher

- The https://en.wikipedia.org/wiki/GNU_General_Public_License - version 2 or
higher

- Any licence in the 2018-Aug-27 popular licenses list of
https://opensource.org/licenses

- The https://en.wikipedia.org/wiki/Apache_License version 2.0 or later

- The https://en.wikipedia.org/wiki/Artistic_License version 2.0 or later

- The https://en.wikipedia.org/wiki/ISC_license

- The https://opensource.org/licenses/BSD-2-Clause

Crediting me will be nice, but not mandatory, and you can change the licence
of the project without needing my permission.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/ui/dialog/selectordialog.cpp b/src/ui/dialog/selectordialog.cpp
index fefd23e51..e99f35df2 100644
--- a/src/ui/dialog/selectordialog.cpp
+++ b/src/ui/dialog/selectordialog.cpp
@@ -750,7 +750,7 @@ void SelectorDialog::_removeFromSelector(Gtk::TreeModel::Row row)
                     classAttr.erase(i, 1);
                 }
                 _store->erase(row);
-                objVec[0]->getRepr()->setAttribute("class", classAttr);
+                objVec[0]->setAttribute("class", classAttr);
                 parent[_mColumns._colExpand] = true;
             } else {
                 // Do nothing for element selectors.
@@ -823,7 +823,7 @@ void SelectorDialog::_insertClass(const std::vector<SPObject *>& objVec, const G
 
         if (!obj->getRepr()->attribute("class")) {
             // 'class' attribute does not exist, create it.
-            obj->getRepr()->setAttribute("class", className);
+            obj->setAttribute("class", className);
         } else {
             // 'class' attribute exists, append.
             Glib::ustring classAttr = obj->getRepr()->attribute("class");
@@ -838,7 +838,7 @@ void SelectorDialog::_insertClass(const std::vector<SPObject *>& objVec, const G
                 }
             }
             if (add) {
-                obj->getRepr()->setAttribute("class", classAttr + " " + className );
+                obj->setAttribute("class", classAttr + " " + className );
             }
         }
     }