[dconf-editor] Simplify new_list_box_row code.

[Arnaud Bonatti <arnaudb src gnome org>]

commit e2aad3c335f033723b712c446d6451304bb4b8f5
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri May 13 17:29:00 2016 +0200

    Simplify new_list_box_row code.

 editor/dconf-window.vala |   28 ++++++++++++----------------
 1 files changed, 12 insertions(+), 16 deletions(-)
---
diff --git a/editor/dconf-window.vala b/editor/dconf-window.vala
index cfc2e0e..6035555 100644
--- a/editor/dconf-window.vala
+++ b/editor/dconf-window.vala
@@ -216,31 +216,27 @@ class DConfWindow : ApplicationWindow
 
     private Widget new_list_box_row (Object item)
     {
+        ClickableListBoxRow row;
         if (((SettingObject) item).is_view)
         {
-            FolderListBoxRow box = new FolderListBoxRow (((SettingObject) item).name, ((SettingObject) 
item).full_name);
-            box.button_press_event.connect (on_button_pressed);
-            box.on_row_clicked.connect (() => {
+            row = new FolderListBoxRow (((SettingObject) item).name, ((SettingObject) item).full_name);
+            row.on_row_clicked.connect (() => {
                     if (!scroll_to_path (((SettingObject) item).full_name))
                         warning ("Something got wrong with this folder.");
                 });
-            return box;
-        }
-        else if (((Key) item).has_schema)
-        {
-            KeyListBoxRowEditable key_list_box_row = new KeyListBoxRowEditable ((GSettingsKey) item);
-            key_list_box_row.button_press_event.connect (on_button_pressed);
-            key_list_box_row.on_row_clicked.connect (() => { new_key_editor ((Key) item); });
-            return key_list_box_row;
         }
         else
         {
-            KeyListBoxRowEditableNoSchema key_list_box_row = new KeyListBoxRowEditableNoSchema ((DConfKey) 
item);
-            key_list_box_row.button_press_event.connect (on_button_pressed);
-            key_list_box_row.on_row_clicked.connect (() => { new_key_editor ((Key) item); });
-            return key_list_box_row;
+            Key key = (Key) item;
+            if (key.has_schema)
+                row = new KeyListBoxRowEditable ((GSettingsKey) key);
+            else
+                row = new KeyListBoxRowEditableNoSchema ((DConfKey) key);
+            row.on_row_clicked.connect (() => { new_key_editor (key); });
+            // TODO bug: row is always visually activated after the dialog destruction if mouse is over at 
this time
         }
-        // TODO bug: list_box_row is always activated after the dialog destruction if mouse is over at this 
time
+        row.button_press_event.connect (on_button_pressed);
+        return row;
     }
 
     private void new_key_editor (Key key)