src/persistence/action_file.py

   1 import re,os
   2 from model.action import *
   3 from model.model import WriteableItem
   4 from model import action
   5
   6 class ActiveActionStatus(ActionStatus):
   7         def __init__(self):
   8                 super(ActiveActionStatus,self).__init__('active',1,u'-')
   9         def update(self,a):
  10                 for o in a.observers:
  11                         if type(o) == ActionFile:
  12                                 if not o.exists():
  13                                         return action.done
  14                 return self
  15
  16 active_status = ActiveActionStatus()
  17 action.active = active_status
  18
  19
  20
  21 class ActionFile(WriteableItem):
  22         def __init__(self,action):
  23                 self.action = action
  24                 self.update_methods = {'status':self.update_status,'description':self.update_description,'context':self.set_context}
  25                 self.action.observers.append(self)
  26
  27         def notify(self,action,attribute,new=None,old=None):
  28                 super(ActionFile,self).notify(action,attribute,new=new,old=old)
  29                 if attribute in self.update_methods:
  30                         self.update_methods[attribute](new=new,old=old)
  31
  32         def write(self):
  33                 if self.action.status == active:
  34                         super(ActionFile,self).write()
  35
  36         def update_description(self,new,old=None):
  37                 if self.action.status == active and old:
  38                         self.remove(self.path(description=old))
  39
  40         def update_status(self,new,old=None):
  41                 if new == inactive or new == done:
  42                         self.remove()
  43
  44         def set_context(self,new,old=None):
  45                 if self.action.status == active and old:
  46                         self.remove(self.path(context=old))
  47
  48         def update_done_status(self):
  49                 if self.action.status == active and not self.exists():
  50                         self.action.status = done
  51
  52         def path(self,context=None,description=None):
  53                 if not context:
  54                         context = self.action.context
  55                 if not description:
  56                         description = self.action.description
  57                 return os.path.join(context,description+'.act')
  58
  59
  60         def file_string(self):
  61                 string = self.action.project_file_string()
  62                 if self.action.project:
  63                         string = string+u'\nProject: %s'%self.action.project
  64                 return string
  65