Finished refactoring menu showing, now also sense editing works!

src/message/sense_edit.py

@@ -0,0 +1,40 @@
+from message.simple_messages import DataChgClickMessage
+from model import Sense
+
+
+def _get_sense_idx(sense, model):
+    for idx, s in enumerate(model.entry.senses):
+        if s == sense:
+            return idx
+
+class SenseMoveUp(DataChgClickMessage):
+    def update_model(self, model):
+        sense = self.get_arg(0, Sense)
+        sidx = _get_sense_idx(sense, model)
+        
+        assert(sidx >= 0)
+        if sidx == 0:
+            return
+        
+        model.entry.senses[sidx], model.entry.senses[sidx - 1] = model.entry.senses[sidx - 1], model.entry.senses[sidx]
+
+
+class SenseMoveDown(DataChgClickMessage):
+    def update_model(self, model):
+        sense = self.get_arg(0, Sense)
+        sidx = _get_sense_idx(sense, model)
+        
+        assert(sidx >= 0)
+        if sidx == len(model.senses) - 1:
+            return
+        
+        model.entry.senses[sidx], model.entry.senses[sidx + 1] = model.entry.senses[sidx + 1], model.entry.senses[sidx]
+        
+        
+class SenseBin(DataChgClickMessage):
+    def update_model(self, model):
+        sense = self.get_arg(0, Sense)
+        sidx = _get_sense_idx(sense, model)
+        
+        assert(sidx >= 0)
+        model.entry.senses.splice(sidx, 1)