Pamhyr2, Scenario: Add Read only mode.

src/Model/Status.py

@@ -18,12 +18,20 @@
 
 import logging
 
+from enum import Enum, auto
+
 logger = logging.getLogger()
 
 
+class Status(Enum):
+    EDIT = auto()
+    READ_ONLY = auto()
+
+
 class StudyStatus(object):
     def __init__(self, scenario=None):
         super(StudyStatus, self).__init__()
+        self._status = Status.EDIT
         self._scenario = scenario
         self._saved = True
 
@@ -34,6 +42,18 @@ class StudyStatus(object):
 
         return self._scenario.id
 
+    def is_editable(self):
+        return self._status == Status.EDIT
+
+    def set_as_editable(self):
+        self._status = Status.EDIT
+
+    def is_read_only(self):
+        return self._status == Status.READ_ONLY
+
+    def set_as_read_only(self):
+        self._status = Status.READ_ONLY
+
     @property
     def scenario(self):
         return self._scenario