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# Copyright (C) 2001, 2002 by Intevation GmbH |
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# Authors: |
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# Jan-Oliver Wagner <[email protected]> |
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# Bernhard Herzog <[email protected]> |
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# |
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# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with Thuban for details. |
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|
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""" |
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Thuban's application object. |
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""" |
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|
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__version__ = "$Revision$" |
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|
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import sys, os |
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import traceback |
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|
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from wxPython.wx import * |
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|
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from Thuban.Lib.connector import Publisher |
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|
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from Thuban.Model.session import create_empty_session |
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from Thuban.Model.save import save_session |
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from Thuban.Model.load import load_session |
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|
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import view |
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import tree |
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from interactor import Interactor |
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import mainwindow |
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|
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from messages import SESSION_CHANGED |
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|
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|
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|
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class ThubanApplication(wxApp, Publisher): |
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|
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""" |
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Thuban's application class. |
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|
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All wxWindows programs have to have an instance of an application |
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class derived from wxApp. In Thuban the application class holds |
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references to the main window, the session and the interactor. |
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""" |
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|
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def OnInit(self): |
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self.read_startup_files() |
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self.interactor = Interactor(None) |
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top = mainwindow.MainWindow(NULL, -1, self.interactor) |
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top.Show(true) |
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self.top = top |
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self.SetTopWindow(top) |
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self.session = None |
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self.create_session() |
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return true |
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|
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def read_startup_files(self): |
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"""Read the startup files.""" |
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# for now the startup file is ~/.thuban/thubanstart.py |
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dir =os.path.expanduser("~/.thuban") |
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if os.path.isdir(dir): |
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sys.path.append(dir) |
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try: |
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import thubanstart |
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except ImportError: |
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tb = sys.exc_info()[2] |
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try: |
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if tb.tb_next is not None: |
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# The ImportError exception was raised from |
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# inside the thubanstart module. |
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sys.stderr.write("Cannot import the thubanstart" |
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"module\n") |
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traceback.print_exc(None, sys.stderr) |
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else: |
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# There's no thubanstart module. |
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sys.stderr.write("No thubanstart module available\n") |
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finally: |
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# make sure we delete the traceback object, |
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# otherwise there's be circular references involving |
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# the current stack frame |
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del tb |
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except: |
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sys.stderr.write("Cannot import the thubanstart module\n") |
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traceback.print_exc(None, sys.stderr) |
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else: |
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# There's no .thuban directory |
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sys.stderr.write("No ~/.thuban directory\n") |
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|
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def Session(self): |
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"""Return the application's session object""" |
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return self.session |
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|
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def SetSession(self, session): |
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"""Make session the new session. |
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|
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Issue SESSION_CHANGED. |
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""" |
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oldsession = self.session |
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self.session = session |
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self.issue(SESSION_CHANGED) |
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self.interactor.SetSession(session) |
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self.set_map() |
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if oldsession is not None: |
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oldsession.Destroy() |
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|
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def create_session(self): |
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# Create a simple default session |
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self.SetSession(create_empty_session()) |
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|
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def OpenSession(self, filename): |
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session = load_session(filename) |
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session.SetFilename(filename) |
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session.UnsetModified() |
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self.SetSession(session) |
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|
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def SaveSession(self): |
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save_session(self.session, self.session.filename) |
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|
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def set_map(self): |
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if self.session.HasMaps(): |
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self.top.SetMap(self.session.Maps()[0]) |
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else: |
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self.top.SetMap(None) |
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