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import errno
import os
import xml
import gtk
import BaseWindow
import FolderTree
import Filesel
import Alert
import MetaData
import Storage
def open_alert(primary, secondary):
Alert.Alert(gtk.STOCK_DIALOG_ERROR, [(gtk.STOCK_OK,)], primary, secondary)
def open_document(app_model, window, filename):
assert type(filename) == type(u"")
primary = u"Could not open document \"%s\"." % filename
filename = os.path.abspath(filename)
if os.path.isfile(filename):
if os.path.basename(filename) == u"lodju.xml":
filename = os.path.dirname(filename)
else:
secondary = u"It is not a Lodju file."
open_alert(primary, secondary)
return
if os.path.isdir(filename):
st = Storage.Storage(filename)
data = st.read_file(u"lodju.xml")
if data == u"":
secondary = u"It does not contain a valid Lodju index file."
open_alert(primary, secondary)
return
try:
p = MetaData.Parser()
p.feed(data)
doc = p.close()
except xml.sax.SAXParseException:
open_alert(primary,
u"The contents of the index file were not in the " +
u"format expected by Lodju. The file may be " +
u"corrupt or perhaps you selected a file not " +
u"created by Lodju.")
else:
doc[u"filename"] = unicode(filename)
doc.storage.discard()
doc.storage = st
if window:
window.set_document(doc)
else:
# Need to create an application window, not BaseWindow.
# Can't import Window at top level before BaseWindow.py has
# been evaluated. Circular dependencies suck.
View(app_model, doc)
doc.clear_dirty()
return
secondary = u"It is neither a file, nor a directory."
open_alert(primary, secondary)
class View(BaseWindow.View):
def __init__(self, app_model, doc):
model = BaseWindow.Model(doc)
BaseWindow.View.__init__(self,
model,
Controller(model, self),
FolderTree.View(self, model.doc,
app_model.trash,
model.xml),
app_model)
self.show()
class Controller(BaseWindow.Controller):
def on_open_activate(self, *args):
Filesel.Filesel(u"Open file", self.filesel_location,
gtk.FALSE, gtk.FALSE, self.open_ok)
def open_ok(self, filenames):
assert len(filenames) == 1
filename = unicode(filenames[0])
self.set_filesel_location(filename)
if self.model.doc.is_empty():
open_document(self.view.app_model, self.view, filename)
else:
open_document(self.view.app_model, None, filename)
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