/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/session.py
ViewVC logotype

Diff of /branches/WIP-pyshapelib-bramz/Thuban/Model/session.py

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 232 by bh, Fri Jul 19 15:14:57 2002 UTC revision 582 by jonathan, Tue Apr 1 10:22:01 2003 UTC
# Line 11  __version__ = "$Revision$" Line 11  __version__ = "$Revision$"
11  from Thuban.Lib.connector import Publisher  from Thuban.Lib.connector import Publisher
12    
13  from messages import MAPS_CHANGED, EXTENSIONS_CHANGED, FILENAME_CHANGED, \  from messages import MAPS_CHANGED, EXTENSIONS_CHANGED, FILENAME_CHANGED, \
14       LAYERS_CHANGED, MAP_PROJECTION_CHANGED, \       MAP_LAYERS_CHANGED, MAP_PROJECTION_CHANGED, \
15       LAYER_LEGEND_CHANGED, LAYER_PROJECTION_CHANGED, LAYER_VISIBILITY_CHANGED,\       LAYER_CHANGED, LAYER_PROJECTION_CHANGED, LAYER_VISIBILITY_CHANGED,\
16       EXTENSION_CHANGED, EXTENSION_OBJECTS_CHANGED, CHANGED       EXTENSION_CHANGED, EXTENSION_OBJECTS_CHANGED, CHANGED
17    
18    from Thuban import _
19    
20  from base import TitledObject, Modifiable  from base import TitledObject, Modifiable
21    
22  from map import Map  from map import Map
# Line 36  class Session(TitledObject, Modifiable): Line 38  class Session(TitledObject, Modifiable):
38    
39          EXTENSIONS_CHANGED -- Extensions were added, removed.          EXTENSIONS_CHANGED -- Extensions were added, removed.
40    
41          LAYERS_CHANGED -- Same as the map's event of the same name.          MAP_LAYERS_CHANGED -- Same as the map's event of the same name.
42                            It's simply resent from the session to make                            It's simply resent from the session to make
43                            subscriptions easier.                            subscriptions easier.
44    
# Line 51  class Session(TitledObject, Modifiable): Line 53  class Session(TitledObject, Modifiable):
53      # message channels that have to be forwarded from maps contained in      # message channels that have to be forwarded from maps contained in
54      # the session.      # the session.
55      forwarded_channels = (      forwarded_channels = (
56            # generic channels
57            CHANGED,
58    
59          # map specific channels          # map specific channels
60          MAP_PROJECTION_CHANGED,          MAP_PROJECTION_CHANGED,
61          LAYERS_CHANGED,          MAP_LAYERS_CHANGED,
62    
63          # layer channels forwarded by the map          # layer channels forwarded by the map
64          LAYER_PROJECTION_CHANGED,          LAYER_PROJECTION_CHANGED,
65          LAYER_LEGEND_CHANGED,          LAYER_CHANGED,
66          LAYER_VISIBILITY_CHANGED,          LAYER_VISIBILITY_CHANGED,
67    
68          # channels forwarded by an extension          # channels forwarded by an extension
# Line 98  class Session(TitledObject, Modifiable): Line 103  class Session(TitledObject, Modifiable):
103              map.Subscribe(channel, self.forward, channel)              map.Subscribe(channel, self.forward, channel)
104          self.changed(MAPS_CHANGED)          self.changed(MAPS_CHANGED)
105    
106        def RemoveMap(self, map):
107            for channel in self.forwarded_channels:
108                map.Unsubscribe(channel, self.forward, channel)
109            self.maps.remove(map)
110            self.changed(MAPS_CHANGED)
111            map.Destroy()
112    
113      def Extensions(self):      def Extensions(self):
114          return self.extensions          return self.extensions
115    
# Line 115  class Session(TitledObject, Modifiable): Line 127  class Session(TitledObject, Modifiable):
127              map.Destroy()              map.Destroy()
128          self.maps = []          self.maps = []
129          self.tables = []          self.tables = []
130          Publisher.Destroy(self)          Modifiable.Destroy(self)
131    
132      def forward(self, *args):      def forward(self, *args):
133          """Reissue events.          """Reissue events.
# Line 152  class Session(TitledObject, Modifiable): Line 164  class Session(TitledObject, Modifiable):
164      def TreeInfo(self):      def TreeInfo(self):
165          items = []          items = []
166          if self.filename is None:          if self.filename is None:
167              items.append("Filename:")              items.append(_("Filename:"))
168          else:          else:
169              items.append("Filename: %s" % self.filename)              items.append(_("Filename: %s") % self.filename)
170    
171          if self.WasModified():          if self.WasModified():
172              items.append("Modified")              items.append(_("Modified"))
173          else:          else:
174              items.append("Unmodified")              items.append(_("Unmodified"))
175    
176          items.extend(self.maps)          items.extend(self.maps)
177          items.extend(self.extensions)          items.extend(self.extensions)
178    
179          return ("Session: %s" % self.title, items)          return (_("Session: %s") % self.title, items)
180    
181    
182  def create_empty_session():  def create_empty_session():
183      """Return an empty session useful as a starting point"""      """Return an empty session useful as a starting point"""
184      import os      import os
185      session = Session('unnamed session')      session = Session(_('unnamed session'))
186      session.SetFilename(None)      session.SetFilename(None)
187      session.AddMap(Map('unnamed map'))      session.AddMap(Map(_('unnamed map')))
188      session.UnsetModified()      session.UnsetModified()
189      return session      return session
Legend:
Removed from v.232  
changed lines
  Added in v.582
[email protected]
 ViewVC Help
Powered by ViewVC 1.1.26