Code cleanups in core and other affected files

core/gui/details_panel.py

@@ -44,5 +44,4 @@ class DetailsPanel(GUIObject, DupeGuruGUIObject):
 
     # --- Event Handlers
     def dupes_selected(self):
-        self._refresh()
-        self.view.refresh()
+        self._view_updated()

core/gui/directory_tree.py

@@ -11,7 +11,7 @@ from hscommon.gui.tree import Tree, Node
 from ..directories import DirectoryState
 from .base import DupeGuruGUIObject
 
-STATE_ORDER = [DirectoryState.Normal, DirectoryState.Reference, DirectoryState.Excluded]
+STATE_ORDER = [DirectoryState.NORMAL, DirectoryState.REFERENCE, DirectoryState.EXCLUDED]
 
 
 # Lazily loads children
@@ -86,9 +86,9 @@ class DirectoryTree(Tree, DupeGuruGUIObject):
         else:
             # All selected nodes or on second-or-more level, exclude them.
             nodes = self.selected_nodes
-            newstate = DirectoryState.Excluded
-            if all(node.state == DirectoryState.Excluded for node in nodes):
-                newstate = DirectoryState.Normal
+            newstate = DirectoryState.EXCLUDED
+            if all(node.state == DirectoryState.EXCLUDED for node in nodes):
+                newstate = DirectoryState.NORMAL
             for node in nodes:
                 node.state = newstate
 
@@ -103,5 +103,4 @@ class DirectoryTree(Tree, DupeGuruGUIObject):
 
     # --- Event Handlers
     def directories_changed(self):
-        self._refresh()
-        self.view.refresh()
+        self._view_updated()

core/gui/exclude_list_dialog.py

@@ -5,7 +5,6 @@
 # which should be included with this package. The terms are also available at
 # http://www.gnu.org/licenses/gpl-3.0.html
 
-# from hscommon.trans import tr
 from .exclude_list_table import ExcludeListTable
 from core.exclude import has_sep
 from os import sep
@@ -47,10 +46,7 @@ class ExcludeListDialogCore:
         return False
 
     def add(self, regex):
-        try:
-            self.exclude_list.add(regex)
-        except Exception as e:
-            raise (e)
+        self.exclude_list.add(regex)
         self.exclude_list.mark(regex)
         self.exclude_list_table.add(regex)