Manage readonly dates and editable calendar view

If any of the dates is readonly, the event can not be modified by drag and
drop.
If the calendar is not editable no events can be modified.

issue9012
review256451002

CHANGELOG

@@ -1,3 +1,6 @@
+* Manage readonly dates in calendar view
+* Manage editable on calendar view
+* Manage model access on calendar view
 * Set client title at the end of header bar
 * Manage named separator as label
 * Add MultiSelection entry to Dict field

setup.py

@@ -141,7 +141,7 @@ dist = setup(name=name,
         'PyGObject',
         ],
     extras_require={
-        'calendar': ['GooCalendar>=0.5'],
+        'calendar': ['GooCalendar>=0.7'],
         },
     zip_safe=False,
     test_suite='tryton.tests',

tryton/gui/window/view_form/view/calendar_.py

@@ -15,6 +15,8 @@ except ImportError as e:
     Calendar_ = None
     Toolbar = None
 
+from tryton.common import MODELACCESS
+
 _ = gettext.gettext
 
 
@@ -120,7 +122,10 @@ class ViewCalendar(View):
         self.record = None
 
     def on_day_activated(self, goocalendar, day):
-        self.screen.new()
+        model_access = MODELACCESS[self.screen.model_name]
+        if (bool(int(self.attributes.get('editable', 1)))
+                and model_access['create']):
+            self.screen.new()
 
     def __getitem__(self, name):
         return None

tryton/gui/window/view_form/view/calendar_gtk/calendar_.py

@@ -5,6 +5,8 @@ import datetime
 import goocalendar
 from .dates_period import DatesPeriod
 
+from tryton.common import MODELACCESS
+
 
 class Calendar_(goocalendar.Calendar):
     'Calendar'
@@ -90,13 +92,20 @@ class Calendar_(goocalendar.Calendar):
 
         event_store = goocalendar.EventStore()
 
+        model_access = MODELACCESS[self.view_calendar.screen.model_name]
+        editable = (
+            bool(int(self.view_calendar.attributes.get('editable', 1)))
+            and model_access['write'])
+
         for record in group:
             if not record[dtstart].get(record):
                 continue
 
             start = record[dtstart].get_client(record)
+            record[dtstart].state_set(record)
             if dtend:
                 end = record[dtend].get_client(record)
+                record[dtend].state_set(record)
             else:
                 end = None
             midnight = datetime.time(0)
@@ -113,8 +122,15 @@ class Calendar_(goocalendar.Calendar):
             text_color, bg_color = self.get_colors(record)
             label = '\n'.join(record[attrs['name']].get_client(record)
                 for attrs in self.fields).rstrip()
+            event_editable = (
+                editable
+                and not record[dtstart].get_state_attrs(record).get(
+                    'readonly', False)
+                and (not dtend
+                    or not record[dtend].get_state_attrs(record).get(
+                        'readonly', False)))
             event = goocalendar.Event(label, start, end, text_color=text_color,
-                bg_color=bg_color, all_day=all_day)
+                bg_color=bg_color, all_day=all_day, editable=event_editable)
             event.record = record
             event_store.add(event)
         self.event_store = event_store