def delete_location_interactively(guiparent, grassdb, location):
"""
Delete selected location
"""
dlg = wx.MessageDialog(
parent=guiparent,
message=_("Do you want to continue with deleting "
"location {}?\n\n"
"ALL MAPS included in this location will be "
"PERMANENTLY DELETED!").format(location),
caption=_("Delete selected location"),
style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION,
)
if dlg.ShowModal() == wx.ID_YES:
try:
delete_location(grassdb, location)
dlg.Destroy()
return True
except OSError as err:
wx.MessageBox(
parent=guiparent,
caption=_("Error"),
message=_("Unable to delete location.\n\n{}").format(err),
style=wx.OK | wx.ICON_ERROR | wx.CENTRE,
)
dlg.Destroy()
return False
def switch_mapset_interactively(
guiparent, giface, dbase, location, mapset, show_confirmation=False
):
"""Switch current mapset. Emits giface.currentMapsetChanged signal."""
# Decide if a user is in a fallback session
fallback_session = is_fallback_session()
if dbase:
if (
RunCommand(
"g.mapset",
parent=guiparent,
location=location,
mapset=mapset,
dbase=dbase,
)
== 0
):
if show_confirmation:
GMessage(
parent=guiparent,
message=_(
"Current GRASS database is <%(dbase)s>.\n"
"Current location is <%(loc)s>.\n"
"Current mapset is <%(mapset)s>."
)
% {"dbase": dbase, "loc": location, "mapset": mapset},
)
giface.currentMapsetChanged.emit(
dbase=dbase, location=location, mapset=mapset
)
elif location:
if (
RunCommand("g.mapset", parent=guiparent, location=location, mapset=mapset)
== 0
):
if show_confirmation:
GMessage(
parent=guiparent,
message=_(
"Current location is <%(loc)s>.\n"
"Current mapset is <%(mapset)s>."
)
% {"loc": location, "mapset": mapset},
)
giface.currentMapsetChanged.emit(
dbase=None, location=location, mapset=mapset
)
else:
if RunCommand("g.mapset", parent=guiparent, mapset=mapset) == 0:
if show_confirmation:
GMessage(
parent=guiparent, message=_("Current mapset is <%s>.") % mapset
)
giface.currentMapsetChanged.emit(dbase=None, location=None, mapset=mapset)
if fallback_session:
tmp_dbase = os.environ["TMPDIR"]
tmp_loc = cfg.temporary_location
if tmp_dbase != gisenv()["GISDBASE"]:
# Delete temporary location
delete_location(tmp_dbase, tmp_loc)
# Remove useless temporary grassdb node
giface.grassdbChanged.emit(
location=location, grassdb=tmp_dbase, action="delete", element="grassdb"
)
def delete_locations_interactively(guiparent, locations):
"""Delete multiple locations with user interaction.
Parameter *locations* is a list of tuples (database, location).
Exceptions during deletation are handled in get_reasons_locations_not_removable
function.
Returns True if there was a change, i.e., all locations were successfully
deleted or at least one location was deleted.
Returns False if one or more locations cannot be deleted (see reasons given
by get_reasons_locations_not_removable function) or if an error was
encountered when deleting the first location in the list.
"""
deletes = []
modified = False
# Check selected locations
messages = get_reasons_locations_not_removable(locations)
if messages:
dlg = wx.MessageDialog(
parent=guiparent,
message=_(
"Cannot delete one or more locations for the following reasons:\n\n"
"{reasons}\n\n"
"No locations will be deleted.").format(
reasons="\n".join(messages)),
caption=_("Unable to delete selected locations"),
style=wx.OK | wx.ICON_WARNING)
dlg.ShowModal()
dlg.Destroy()
return modified
# No error occurs, create list of locations for deleting
for grassdb, location in locations:
location_path = os.path.join(grassdb, location)
deletes.append(location_path)
# Display question dialog
dlg = wx.MessageDialog(
parent=guiparent,
message=_(
"Do you want to continue with deleting"
" one or more of the following locations?\n\n"
"{deletes}\n\n"
"All mapsets included in these locations will be permanently deleted!"
).format(deletes="\n".join(deletes)),
caption=_("Delete selected locations"),
style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION,
)
if dlg.ShowModal() == wx.ID_YES:
try:
for grassdb, location in locations:
delete_location(grassdb, location)
modified = True
dlg.Destroy()
return modified
except OSError as error:
wx.MessageBox(
parent=guiparent,
caption=_("Error when deleting locations"),
message=_(
"The following error occured when deleting location <{path}>:"
"\n\n{error}\n\n"
"Deleting of locations was interrupted.").format(
path=os.path.join(grassdb, location),
error=error,
),
style=wx.OK | wx.ICON_ERROR | wx.CENTRE,
)
dlg.Destroy()
return modified
def delete_location_interactively(guiparent, grassdb, location):
"""Delete a location with user interaction.
If current location found, delete operation is not performed.
Exceptions during deletation are handled in this function.
Returns True if there was a change, returns False if a location cannot be
deleted (see above the possible reasons) or if another error was encountered.
"""
genv = gisenv()
issue = None
# Check selected location and remember issue.
# Each error is reported only once (using elif).
location_path = os.path.join(grassdb, location)
# Check for current location
if (grassdb == genv['GISDBASE'] and location == genv['LOCATION_NAME']):
issue = _("<{}> is the current location.").format(location_path)
modified = False # True after first successful delete
# If any issues, display the warning message and do not delete anything
if issue:
dlg = wx.MessageDialog(
parent=guiparent,
message=_(
"Cannot delete selected location for the following reasons:\n\n"
"{}\n\n"
"No location will be deleted.").format(issue),
caption=_("Unable to delete selected location"),
style=wx.OK | wx.ICON_WARNING)
dlg.ShowModal()
else:
dlg = wx.MessageDialog(
parent=guiparent,
message=_(
"Do you want to continue with deleting"
"the following location?\n\n"
"{}\n\n"
"All mapsets included in this location will be permanently deleted!"
).format(location_path),
caption=_("Delete selected location"),
style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION,
)
if dlg.ShowModal() == wx.ID_YES:
try:
delete_location(grassdb, location)
modified = True
dlg.Destroy()
return modified
except OSError as error:
wx.MessageBox(
parent=guiparent,
caption=_("Error when deleting location"),
message=_(
"The following error occured when deleting location <{path}>:"
"\n\n{error}\n\n"
"Deleting was interrupted.").format(
path=os.path.join(grassdb, location),
error=error,
),
style=wx.OK | wx.ICON_ERROR | wx.CENTRE,
)
dlg.Destroy()
return modified