def __init__(self, app, doc_file=''):
self.app = app
self.eventloop = EventLoop(self)
self.doc_file = doc_file
if doc_file:
loader = get_loader(doc_file, True)
if loader is None:
raise IOError(_('Unknown file format'), doc_file)
pd = ProgressDialog(_('Opening file...'), self.app.mw)
ret = pd.run(loader, [app.appdata, doc_file, None, False])
if ret == gtk.RESPONSE_OK:
if pd.result is None:
pd.destroy()
raise IOError(*pd.error_info)
self.doc_presenter = pd.result
pd.destroy()
else:
pd.destroy()
raise IOError(_('Error while opening'), doc_file)
self.doc_file = self.doc_presenter.doc_file
self.doc_name = os.path.basename(self.doc_file)
else:
#FIXME: Here should be new model creation
self.doc_name = self.app.get_new_docname()
self.doc_presenter.update(True)
self.selection = ModelSelection(self)
self.docarea = DocArea(self.app, self)
self.app.mw.add_tab(self.docarea)
self.selection.set_root()
def save(self):
try:
if config.make_backup:
if os.path.lexists(self.doc_file):
if os.path.lexists(self.doc_file + '~'):
os.remove(self.doc_file + '~')
os.rename(self.doc_file, self.doc_file + '~')
saver = get_saver(self.doc_file, True)
if saver is None:
raise IOError(
_('Unknown file format is requested for saving!'),
self.doc_file)
pd = ProgressDialog(_('Saving file...'), self.app.mw)
ret = pd.run(saver, [self.doc_presenter, self.doc_file, False])
if ret == gtk.RESPONSE_OK:
if not pd.error_info is None:
pd.destroy()
raise IOError(*pd.error_info)
pd.destroy()
else:
pd.destroy()
raise IOError(_('Error while saving'), self.doc_file)
except IOError:
raise IOError(*sys.exc_info())
self.reflect_saving()