def OnStart(self, event):
"""'Start GRASS' button clicked"""
dbase = self.tgisdbase.GetValue()
location = self.listOfLocations[self.lblocations.GetSelection()]
mapset = self.listOfMapsets[self.lbmapsets.GetSelection()]
lockfile = get_lockfile_if_present(dbase, location, mapset)
if lockfile:
dlg = wx.MessageDialog(
parent=self,
message=_(
"GRASS is already running in selected mapset <%(mapset)s>\n"
"(file %(lock)s found).\n\n"
"Concurrent use not allowed.\n\n"
"Do you want to try to remove .gislock (note that you "
"need permission for this operation) and continue?") % {
'mapset': mapset,
'lock': lockfile
},
caption=_("Lock file found"),
style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION | wx.CENTRE)
ret = dlg.ShowModal()
dlg.Destroy()
if ret == wx.ID_YES:
dlg1 = wx.MessageDialog(
parent=self,
message=
_("ARE YOU REALLY SURE?\n\n"
"If you really are running another GRASS session doing this "
"could corrupt your data. Have another look in the processor "
"manager just to be sure..."),
caption=_("Lock file found"),
style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION
| wx.CENTRE)
ret = dlg1.ShowModal()
dlg1.Destroy()
if ret == wx.ID_YES:
try:
os.remove(lockfile)
except IOError as e:
GError(
_("Unable to remove '%(lock)s'.\n\n"
"Details: %(reason)s") % {
'lock': lockfile,
'reason': e
})
else:
return
else:
return
self.SetLocation(dbase, location, mapset)
self.ExitSuccessfully()
def OnSelectLocation(self, event):
"""Location selected"""
if event:
self.lblocations.SetSelection(event.GetIndex())
if self.lblocations.GetSelection() != wx.NOT_FOUND:
self.UpdateMapsets(
os.path.join(
self.gisdbase,
self.listOfLocations[
self.lblocations.GetSelection()]))
else:
self.listOfMapsets = []
disabled = []
idx = 0
try:
locationName = self.listOfLocations[
self.lblocations.GetSelection()]
except IndexError:
locationName = ''
for mapset in self.listOfMapsets:
if mapset not in self.listOfMapsetsSelectable or \
get_lockfile_if_present(self.gisdbase,
locationName, mapset):
disabled.append(idx)
idx += 1
self.lbmapsets.Clear()
self.lbmapsets.InsertItems(self.listOfMapsets, 0, disabled=disabled)
if len(self.listOfMapsets) > 0:
self.lbmapsets.SetSelection(0)
if locationName:
# enable start button when location and mapset is selected
self.bstart.Enable()
self.bstart.SetFocus()
self.bmapset.Enable()
# replacing disabled choice, perhaps just mapset needed
self.rename_location_button.Enable()
self.delete_location_button.Enable()
self.rename_mapset_button.Enable()
self.delete_mapset_button.Enable()
else:
self.lbmapsets.SetSelection(wx.NOT_FOUND)
self.bstart.Enable(False)
self.bmapset.Enable(False)
# this all was originally a choice, perhaps just mapset needed
self.rename_location_button.Enable(False)
self.delete_location_button.Enable(False)
self.rename_mapset_button.Enable(False)
self.delete_mapset_button.Enable(False)
def UpdateMapsets(self, location):
"""Update list of mapsets"""
self.FormerMapsetSelection = wx.NOT_FOUND # for non-selectable item
self.listOfMapsetsSelectable = list()
self.listOfMapsets = GetListOfMapsets(self.gisdbase, location)
self.lbmapsets.Clear()
# disable mapset with denied permission
locationName = os.path.basename(location)
ret = RunCommand('g.mapset',
read=True,
flags='l',
location=locationName,
gisdbase=self.gisdbase)
if ret:
for line in ret.splitlines():
self.listOfMapsetsSelectable += line.split(' ')
else:
self.SetLocation(self.gisdbase, locationName, "PERMANENT")
# first run only
self.listOfMapsetsSelectable = copy.copy(self.listOfMapsets)
disabled = []
idx = 0
for mapset in self.listOfMapsets:
if mapset not in self.listOfMapsetsSelectable or \
get_lockfile_if_present(self.gisdbase,
locationName, mapset):
disabled.append(idx)
idx += 1
self.lbmapsets.InsertItems(self.listOfMapsets, 0, disabled=disabled)
return self.listOfMapsets
