* src/glade/gramps.glade (select_person): Name the box.

* src/DataViews/_MediaView.py (row_change): Collect garbage on the
	row change.
	* src/Selectors/_BaseSelector.py: Use DisplaModel models;
	(_local_init): Add selector-specific hook.
	(_local_init): Set up preview; 
	(_row_change): Show preview; collect garbage.


svn: r6690

src/Selectors/_BaseSelector.py

@@ -69,6 +69,7 @@ class BaseSelector(ManagedWindow.ManagedWindow):
 
         self.tree.set_model(self.model)
         self.add_columns(self.tree)
+        self._local_init()
         self.show()
 
     def add_columns(self,tree):
@@ -112,6 +113,10 @@ class BaseSelector(ManagedWindow.ManagedWindow):
             self.close()
             return None
 
+    def _local_init(self):
+        # define selector-specific init routine
+        pass
+
     def get_window_title(self):
         # return _("Select something")
         assert False, "Must be defined in the subclass"