class SbMask(SbItem):
"""Button to show whether mask is activated and remove mask with
left mouse click
"""
def __init__(self, mapframe, statusbar, position=0):
SbItem.__init__(self, mapframe, statusbar, position)
self.name = "mask"
self.widget = Button(parent=self.statusbar,
id=wx.ID_ANY,
label=_("MASK"),
style=wx.NO_BORDER)
self.widget.Bind(wx.EVT_BUTTON, self.OnRemoveMask)
self.widget.SetForegroundColour(wx.Colour(255, 0, 0))
self.widget.SetToolTip(tip=_("Left mouse click to remove the MASK"))
self.widget.Hide()
def Update(self):
if grass.find_file(name="MASK",
element="cell",
mapset=grass.gisenv()["MAPSET"])["name"]:
self.Show()
else:
self.Hide()
def OnRemoveMask(self, event):
if grass.find_file(name="MASK",
element="cell",
mapset=grass.gisenv()["MAPSET"])["name"]:
dlg = wx.MessageDialog(
self.mapFrame,
message=_("Are you sure that you want to remove the MASK?"),
caption=_("Remove MASK"),
style=wx.YES_NO | wx.YES_DEFAULT | wx.ICON_QUESTION,
)
if dlg.ShowModal() != wx.ID_YES:
dlg.Destroy()
return
RunCommand("r.mask", flags="r")
self.Hide()
self.mapFrame.OnRender(event=None)
class GRASSStartup(wx.Frame):
exit_success = 0
# 2 is file not found from python interpreter
exit_user_requested = 5
"""GRASS start-up screen"""
def __init__(self,
parent=None,
id=wx.ID_ANY,
style=wx.DEFAULT_FRAME_STYLE):
#
# GRASS variables
#
self.gisbase = os.getenv("GISBASE")
self.grassrc = sgui.read_gisrc()
self.gisdbase = self.GetRCValue("GISDBASE")
#
# list of locations/mapsets
#
self.listOfLocations = []
self.listOfMapsets = []
self.listOfMapsetsSelectable = []
wx.Frame.__init__(self, parent=parent, id=id, style=style)
self.locale = wx.Locale(language=wx.LANGUAGE_DEFAULT)
# scroll panel was used here but not properly and is probably not need
# as long as it is not high too much
self.panel = wx.Panel(parent=self, id=wx.ID_ANY)
# i18N
#
# graphical elements
#
# image
try:
if os.getenv('ISISROOT'):
name = os.path.join(globalvar.GUIDIR, "images",
"startup_banner_isis.png")
else:
name = os.path.join(globalvar.GUIDIR, "images",
"startup_banner.png")
self.hbitmap = wx.StaticBitmap(
self.panel, wx.ID_ANY,
wx.Bitmap(name=name, type=wx.BITMAP_TYPE_PNG))
except:
self.hbitmap = wx.StaticBitmap(
self.panel, wx.ID_ANY, BitmapFromImage(wx.EmptyImage(530,
150)))
# labels
# crashes when LOCATION doesn't exist
# get version & revision
grassVersion, grassRevisionStr = sgui.GetVersion()
self.gisdbase_box = StaticBox(
parent=self.panel,
id=wx.ID_ANY,
label=" %s " % _("1. Select GRASS GIS database directory"))
self.location_box = StaticBox(parent=self.panel,
id=wx.ID_ANY,
label=" %s " %
_("2. Select GRASS Location"))
self.mapset_box = StaticBox(parent=self.panel,
id=wx.ID_ANY,
label=" %s " % _("3. Select GRASS Mapset"))
self.lmessage = StaticText(parent=self.panel)
# It is not clear if all wx versions supports color, so try-except.
# The color itself may not be correct for all platforms/system settings
# but in http://xoomer.virgilio.it/infinity77/wxPython/Widgets/wx.SystemSettings.html
# there is no 'warning' color.
try:
self.lmessage.SetForegroundColour(wx.Colour(255, 0, 0))
except AttributeError:
pass
self.gisdbase_panel = wx.Panel(parent=self.panel)
self.location_panel = wx.Panel(parent=self.panel)
self.mapset_panel = wx.Panel(parent=self.panel)
self.ldbase = StaticText(
parent=self.gisdbase_panel,
id=wx.ID_ANY,
label=_("GRASS GIS database directory contains Locations."))
self.llocation = StaticWrapText(
parent=self.location_panel,
id=wx.ID_ANY,
label=_("All data in one Location is in the same "
" coordinate reference system (projection)."
" One Location can be one project."
" Location contains Mapsets."),
style=wx.ALIGN_LEFT)
self.lmapset = StaticWrapText(
parent=self.mapset_panel,
id=wx.ID_ANY,
label=_("Mapset contains GIS data related"
" to one project, task within one project,"
" subregion or user."),
style=wx.ALIGN_LEFT)
try:
for label in [self.ldbase, self.llocation, self.lmapset]:
label.SetForegroundColour(
wx.SystemSettings.GetColour(wx.SYS_COLOUR_GRAYTEXT))
except AttributeError:
# for explanation of try-except see above
pass
# buttons
self.bstart = Button(parent=self.panel,
id=wx.ID_ANY,
label=_("Start &GRASS session"))
self.bstart.SetDefault()
self.bexit = Button(parent=self.panel, id=wx.ID_EXIT)
self.bstart.SetMinSize((180, self.bexit.GetSize()[1]))
self.bhelp = Button(parent=self.panel, id=wx.ID_HELP)
self.bbrowse = Button(parent=self.gisdbase_panel,
id=wx.ID_ANY,
label=_("&Browse"))
self.bmapset = Button(
parent=self.mapset_panel,
id=wx.ID_ANY,
# GTC New mapset
label=_("&New"))
self.bmapset.SetToolTip(_("Create a new Mapset in selected Location"))
self.bwizard = Button(
parent=self.location_panel,
id=wx.ID_ANY,
# GTC New location
label=_("N&ew"))
self.bwizard.SetToolTip(
_("Create a new location using location wizard."
" After location is created successfully,"
" GRASS session is started."))
self.rename_location_button = Button(
parent=self.location_panel,
id=wx.ID_ANY,
# GTC Rename location
label=_("Ren&ame"))
self.rename_location_button.SetToolTip(_("Rename selected location"))
self.delete_location_button = Button(
parent=self.location_panel,
id=wx.ID_ANY,
# GTC Delete location
label=_("De&lete"))
self.delete_location_button.SetToolTip(_("Delete selected location"))
self.download_location_button = Button(parent=self.location_panel,
id=wx.ID_ANY,
label=_("Do&wnload"))
self.download_location_button.SetToolTip(_("Download sample location"))
self.rename_mapset_button = Button(
parent=self.mapset_panel,
id=wx.ID_ANY,
# GTC Rename mapset
label=_("&Rename"))
self.rename_mapset_button.SetToolTip(_("Rename selected mapset"))
self.delete_mapset_button = Button(
parent=self.mapset_panel,
id=wx.ID_ANY,
# GTC Delete mapset
label=_("&Delete"))
self.delete_mapset_button.SetToolTip(_("Delete selected mapset"))
# textinputs
self.tgisdbase = TextCtrl(parent=self.gisdbase_panel,
id=wx.ID_ANY,
value="",
size=(300, -1),
style=wx.TE_PROCESS_ENTER)
# Locations
self.lblocations = GListBox(parent=self.location_panel,
id=wx.ID_ANY,
size=(180, 200),
choices=self.listOfLocations)
self.lblocations.SetColumnWidth(0, 180)
# TODO: sort; but keep PERMANENT on top of list
# Mapsets
self.lbmapsets = GListBox(parent=self.mapset_panel,
id=wx.ID_ANY,
size=(180, 200),
choices=self.listOfMapsets)
self.lbmapsets.SetColumnWidth(0, 180)
# layout & properties, first do layout so everything is created
self._do_layout()
self._set_properties(grassVersion, grassRevisionStr)
# events
self.bbrowse.Bind(wx.EVT_BUTTON, self.OnBrowse)
self.bstart.Bind(wx.EVT_BUTTON, self.OnStart)
self.bexit.Bind(wx.EVT_BUTTON, self.OnExit)
self.bhelp.Bind(wx.EVT_BUTTON, self.OnHelp)
self.bmapset.Bind(wx.EVT_BUTTON, self.OnCreateMapset)
self.bwizard.Bind(wx.EVT_BUTTON, self.OnWizard)
self.rename_location_button.Bind(wx.EVT_BUTTON, self.RenameLocation)
self.delete_location_button.Bind(wx.EVT_BUTTON, self.DeleteLocation)
self.download_location_button.Bind(wx.EVT_BUTTON,
self.DownloadLocation)
self.rename_mapset_button.Bind(wx.EVT_BUTTON, self.RenameMapset)
self.delete_mapset_button.Bind(wx.EVT_BUTTON, self.DeleteMapset)
self.lblocations.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnSelectLocation)
self.lbmapsets.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnSelectMapset)
self.lbmapsets.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self.OnStart)
self.tgisdbase.Bind(wx.EVT_TEXT_ENTER, self.OnSetDatabase)
self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)
def _set_properties(self, version, revision):
"""Set frame properties
:param version: Version in the form of X.Y.Z
:param revision: Version control revision with leading space
*revision* should be an empty string in case of release and
otherwise it needs a leading space to be separated from the rest
of the title.
"""
self.SetTitle(_("GRASS GIS %s Startup%s") % (version, revision))
self.SetIcon(
wx.Icon(os.path.join(globalvar.ICONDIR, "grass.ico"),
wx.BITMAP_TYPE_ICO))
self.bstart.SetForegroundColour(wx.Colour(35, 142, 35))
self.bstart.SetToolTip(_("Enter GRASS session"))
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)
# set database
if not self.gisdbase:
# sets an initial path for gisdbase if nothing in GISRC
if os.path.isdir(os.getenv("HOME")):
self.gisdbase = os.getenv("HOME")
else:
self.gisdbase = os.getcwd()
try:
self.tgisdbase.SetValue(self.gisdbase)
except UnicodeDecodeError:
wx.MessageBox(parent=self,
caption=_("Error"),
message=_("Unable to set GRASS database. "
"Check your locale settings."),
style=wx.OK | wx.ICON_ERROR | wx.CENTRE)
self.OnSetDatabase(None)
location = self.GetRCValue("LOCATION_NAME")
if location == "<UNKNOWN>" or location is None:
return
if not os.path.isdir(os.path.join(self.gisdbase, location)):
location = None
# list of locations
self.UpdateLocations(self.gisdbase)
try:
self.lblocations.SetSelection(self.listOfLocations.index(location),
force=True)
self.lblocations.EnsureVisible(
self.listOfLocations.index(location))
except ValueError:
sys.stderr.write(
_("ERROR: Location <%s> not found\n") %
self.GetRCValue("LOCATION_NAME"))
if len(self.listOfLocations) > 0:
self.lblocations.SetSelection(0, force=True)
self.lblocations.EnsureVisible(0)
location = self.listOfLocations[0]
else:
return
# list of mapsets
self.UpdateMapsets(os.path.join(self.gisdbase, location))
mapset = self.GetRCValue("MAPSET")
if mapset:
try:
self.lbmapsets.SetSelection(self.listOfMapsets.index(mapset),
force=True)
self.lbmapsets.EnsureVisible(self.listOfMapsets.index(mapset))
except ValueError:
sys.stderr.write(_("ERROR: Mapset <%s> not found\n") % mapset)
self.lbmapsets.SetSelection(0, force=True)
self.lbmapsets.EnsureVisible(0)
def _do_layout(self):
sizer = wx.BoxSizer(wx.VERTICAL)
self.sizer = sizer # for the layout call after changing message
dbase_sizer = wx.BoxSizer(wx.HORIZONTAL)
location_mapset_sizer = wx.BoxSizer(wx.HORIZONTAL)
gisdbase_panel_sizer = wx.BoxSizer(wx.VERTICAL)
gisdbase_boxsizer = wx.StaticBoxSizer(self.gisdbase_box, wx.VERTICAL)
btns_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.gisdbase_panel.SetSizer(gisdbase_panel_sizer)
# gis data directory
gisdbase_boxsizer.Add(self.gisdbase_panel,
proportion=1,
flag=wx.EXPAND | wx.ALL,
border=1)
gisdbase_panel_sizer.Add(dbase_sizer,
proportion=1,
flag=wx.EXPAND | wx.ALL,
border=1)
gisdbase_panel_sizer.Add(self.ldbase,
proportion=0,
flag=wx.EXPAND | wx.ALL,
border=1)
dbase_sizer.Add(self.tgisdbase,
proportion=1,
flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL,
border=1)
dbase_sizer.Add(self.bbrowse,
proportion=0,
flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL,
border=1)
gisdbase_panel_sizer.Fit(self.gisdbase_panel)
# location and mapset lists
def layout_list_box(box, panel, list_box, buttons, description):
panel_sizer = wx.BoxSizer(wx.VERTICAL)
main_sizer = wx.BoxSizer(wx.HORIZONTAL)
box_sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
buttons_sizer = wx.BoxSizer(wx.VERTICAL)
panel.SetSizer(panel_sizer)
panel_sizer.Fit(panel)
main_sizer.Add(list_box,
proportion=1,
flag=wx.EXPAND | wx.ALL,
border=1)
main_sizer.Add(buttons_sizer,
proportion=0,
flag=wx.ALIGN_CENTER_HORIZONTAL | wx.ALL,
border=1)
for button in buttons:
buttons_sizer.Add(button,
proportion=0,
flag=wx.EXPAND | wx.LEFT | wx.RIGHT
| wx.BOTTOM,
border=3)
box_sizer.Add(panel,
proportion=1,
flag=wx.EXPAND | wx.ALL,
border=1)
panel_sizer.Add(main_sizer,
proportion=1,
flag=wx.EXPAND | wx.ALL,
border=1)
panel_sizer.Add(description,
proportion=0,
flag=wx.EXPAND | wx.ALL,
border=1)
return box_sizer
location_boxsizer = layout_list_box(box=self.location_box,
panel=self.location_panel,
list_box=self.lblocations,
buttons=[
self.bwizard,
self.rename_location_button,
self.delete_location_button,
self.download_location_button
],
description=self.llocation)
mapset_boxsizer = layout_list_box(box=self.mapset_box,
panel=self.mapset_panel,
list_box=self.lbmapsets,
buttons=[
self.bmapset,
self.rename_mapset_button,
self.delete_mapset_button
],
description=self.lmapset)
# location and mapset sizer
location_mapset_sizer.Add(location_boxsizer,
proportion=1,
flag=wx.LEFT | wx.RIGHT | wx.EXPAND,
border=3)
location_mapset_sizer.Add(mapset_boxsizer,
proportion=1,
flag=wx.RIGHT | wx.EXPAND,
border=3)
# buttons
btns_sizer.Add(self.bstart,
proportion=0,
flag=wx.ALIGN_CENTER_HORIZONTAL
| wx.ALIGN_CENTER_VERTICAL | wx.ALL,
border=5)
btns_sizer.Add(self.bexit,
proportion=0,
flag=wx.ALIGN_CENTER_HORIZONTAL
| wx.ALIGN_CENTER_VERTICAL | wx.ALL,
border=5)
btns_sizer.Add(self.bhelp,
proportion=0,
flag=wx.ALIGN_CENTER_HORIZONTAL
| wx.ALIGN_CENTER_VERTICAL | wx.ALL,
border=5)
# main sizer
sizer.Add(self.hbitmap,
proportion=0,
flag=wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER_HORIZONTAL
| wx.ALL,
border=3) # image
sizer.Add(gisdbase_boxsizer,
proportion=0,
flag=wx.ALIGN_CENTER_HORIZONTAL | wx.RIGHT | wx.LEFT | wx.TOP
| wx.EXPAND,
border=3) # GISDBASE setting
# warning/error message
sizer.Add(self.lmessage,
proportion=0,
flag=wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_LEFT | wx.ALL
| wx.EXPAND,
border=5)
sizer.Add(location_mapset_sizer,
proportion=1,
flag=wx.RIGHT | wx.LEFT | wx.EXPAND,
border=1)
sizer.Add(btns_sizer,
proportion=0,
flag=wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER_HORIZONTAL
| wx.RIGHT | wx.LEFT,
border=3)
self.panel.SetAutoLayout(True)
self.panel.SetSizer(sizer)
sizer.Fit(self.panel)
sizer.SetSizeHints(self)
self.Layout()
def _showWarning(self, text):
"""Displays a warning, hint or info message to the user.
This function can be used for all kinds of messages except for
error messages.
.. note::
There is no cleaning procedure. You should call _hideMessage when
you know that there is everything correct now.
"""
self.lmessage.SetLabel(text)
self.lmessage.Wrap(self.GetClientSize()[0])
self.sizer.Layout()
def _showError(self, text):
"""Displays a error message to the user.
This function should be used only when something serious and unexpected
happens, otherwise _showWarning should be used.
.. note::
There is no cleaning procedure. You should call _hideMessage when
you know that there is everything correct now.
"""
self.lmessage.SetLabel(_("Error: {text}").format(text=text))
self.lmessage.Wrap(self.GetClientSize()[0])
self.sizer.Layout()
def _hideMessage(self):
"""Clears/hides the error message."""
# we do no hide widget
# because we do not want the dialog to change the size
self.lmessage.SetLabel("")
self.sizer.Layout()
def GetRCValue(self, value):
"""Return GRASS variable (read from GISRC)
"""
if value in self.grassrc:
return self.grassrc[value]
else:
return None
def SuggestDatabase(self):
"""Suggest (set) possible GRASS Database value"""
# only if nothing is set (<UNKNOWN> comes from init script)
if self.GetRCValue("LOCATION_NAME") != "<UNKNOWN>":
return
path = get_possible_database_path()
if path:
try:
self.tgisdbase.SetValue(path)
except UnicodeDecodeError:
# restore previous state
# wizard gives error in this case, we just ignore
path = None
self.tgisdbase.SetValue(self.gisdbase)
# if we still have path
if path:
self.gisdbase = path
self.OnSetDatabase(None)
else:
# nothing found
# TODO: should it be warning, hint or message?
self._showWarning(
_('GRASS needs a directory (GRASS database) '
'in which to store its data. '
'Create one now if you have not already done so. '
'A popular choice is "grassdata", located in '
'your home directory. '
'Press Browse button to select the directory.'))
def OnWizard(self, event):
"""Location wizard started"""
from location_wizard.wizard import LocationWizard
gWizard = LocationWizard(parent=self,
grassdatabase=self.tgisdbase.GetValue())
if gWizard.location is not None:
self.tgisdbase.SetValue(gWizard.grassdatabase)
self.OnSetDatabase(None)
self.UpdateMapsets(os.path.join(self.gisdbase, gWizard.location))
self.lblocations.SetSelection(
self.listOfLocations.index(gWizard.location))
self.lbmapsets.SetSelection(0)
self.SetLocation(self.gisdbase, gWizard.location, 'PERMANENT')
if gWizard.georeffile:
message = _(
"Do you want to import <%(name)s> to the newly created location?"
) % {
'name': gWizard.georeffile
}
dlg = wx.MessageDialog(parent=self,
message=message,
caption=_("Import data?"),
style=wx.YES_NO | wx.YES_DEFAULT
| wx.ICON_QUESTION)
dlg.CenterOnParent()
if dlg.ShowModal() == wx.ID_YES:
self.ImportFile(gWizard.georeffile)
dlg.Destroy()
if gWizard.default_region:
defineRegion = RegionDef(self, location=gWizard.location)
defineRegion.CenterOnParent()
defineRegion.ShowModal()
defineRegion.Destroy()
if gWizard.user_mapset:
self.OnCreateMapset(event)
def ImportFile(self, filePath):
"""Tries to import file as vector or raster.
If successfull sets default region from imported map.
"""
RunCommand('db.connect', flags='c')
mapName = os.path.splitext(os.path.basename(filePath))[0]
vectors = RunCommand('v.in.ogr', input=filePath, flags='l', read=True)
wx.BeginBusyCursor()
wx.GetApp().Yield()
if vectors:
# vector detected
returncode, error = RunCommand('v.in.ogr',
input=filePath,
output=mapName,
flags='e',
getErrorMsg=True)
else:
returncode, error = RunCommand('r.in.gdal',
input=filePath,
output=mapName,
flags='e',
getErrorMsg=True)
wx.EndBusyCursor()
if returncode != 0:
GError(parent=self,
message=_("Import of <%(name)s> failed.\n"
"Reason: %(msg)s") % ({
'name': filePath,
'msg': error
}))
else:
GMessage(message=_(
"Data file <%(name)s> imported successfully. "
"The location's default region was set from this imported map."
) % {'name': filePath},
parent=self)
# the event can be refactored out by using lambda in bind
def RenameMapset(self, event):
"""Rename selected mapset
"""
location = self.listOfLocations[self.lblocations.GetSelection()]
mapset = self.listOfMapsets[self.lbmapsets.GetSelection()]
if mapset == 'PERMANENT':
GMessage(
parent=self,
message=_(
'Mapset <PERMANENT> is required for valid GRASS location.\n\n'
'This mapset cannot be renamed.'))
return
dlg = TextEntryDialog(
parent=self,
message=_('Current name: %s\n\nEnter new name:') % mapset,
caption=_('Rename selected mapset'),
validator=GenericValidator(grass.legal_name,
self._nameValidationFailed))
if dlg.ShowModal() == wx.ID_OK:
newmapset = dlg.GetValue()
if newmapset == mapset:
dlg.Destroy()
return
if newmapset in self.listOfMapsets:
wx.MessageBox(
parent=self,
caption=_('Message'),
message=_('Unable to rename mapset.\n\n'
'Mapset <%s> already exists in location.') %
newmapset,
style=wx.OK | wx.ICON_INFORMATION | wx.CENTRE)
else:
try:
sutils.rename_mapset(self.gisdbase, location, mapset,
newmapset)
self.OnSelectLocation(None)
self.lbmapsets.SetSelection(
self.listOfMapsets.index(newmapset))
except Exception as e:
wx.MessageBox(parent=self,
caption=_('Error'),
message=_('Unable to rename mapset.\n\n%s') %
e,
style=wx.OK | wx.ICON_ERROR | wx.CENTRE)
dlg.Destroy()
def RenameLocation(self, event):
"""Rename selected location
"""
location = self.listOfLocations[self.lblocations.GetSelection()]
dlg = TextEntryDialog(
parent=self,
message=_('Current name: %s\n\nEnter new name:') % location,
caption=_('Rename selected location'),
validator=GenericValidator(grass.legal_name,
self._nameValidationFailed))
if dlg.ShowModal() == wx.ID_OK:
newlocation = dlg.GetValue()
if newlocation == location:
dlg.Destroy()
return
if newlocation in self.listOfLocations:
wx.MessageBox(
parent=self,
caption=_('Message'),
message=_(
'Unable to rename location.\n\n'
'Location <%s> already exists in GRASS database.') %
newlocation,
style=wx.OK | wx.ICON_INFORMATION | wx.CENTRE)
else:
try:
sutils.rename_location(self.gisdbase, location,
newlocation)
self.UpdateLocations(self.gisdbase)
self.lblocations.SetSelection(
self.listOfLocations.index(newlocation))
self.UpdateMapsets(newlocation)
except Exception as e:
wx.MessageBox(
parent=self,
caption=_('Error'),
message=_('Unable to rename location.\n\n%s') % e,
style=wx.OK | wx.ICON_ERROR | wx.CENTRE)
dlg.Destroy()
def DeleteMapset(self, event):
"""Delete selected mapset
"""
location = self.listOfLocations[self.lblocations.GetSelection()]
mapset = self.listOfMapsets[self.lbmapsets.GetSelection()]
if mapset == 'PERMANENT':
GMessage(
parent=self,
message=_(
'Mapset <PERMANENT> is required for valid GRASS location.\n\n'
'This mapset cannot be deleted.'))
return
dlg = wx.MessageDialog(
parent=self,
message=_(
"Do you want to continue with deleting mapset <%(mapset)s> "
"from location <%(location)s>?\n\n"
"ALL MAPS included in this mapset will be "
"PERMANENTLY DELETED!") % {
'mapset': mapset,
'location': location
},
caption=_("Delete selected mapset"),
style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION)
if dlg.ShowModal() == wx.ID_YES:
try:
sutils.delete_mapset(self.gisdbase, location, mapset)
self.OnSelectLocation(None)
self.lbmapsets.SetSelection(0)
except:
wx.MessageBox(message=_('Unable to delete mapset'))
dlg.Destroy()
def DeleteLocation(self, event):
"""
Delete selected location
"""
location = self.listOfLocations[self.lblocations.GetSelection()]
dlg = wx.MessageDialog(
parent=self,
message=_("Do you want to continue with deleting "
"location <%s>?\n\n"
"ALL MAPS included in this location will be "
"PERMANENTLY DELETED!") % (location),
caption=_("Delete selected location"),
style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION)
if dlg.ShowModal() == wx.ID_YES:
try:
sutils.delete_location(self.gisdbase, location)
self.UpdateLocations(self.gisdbase)
self.lblocations.SetSelection(0)
self.OnSelectLocation(None)
self.lbmapsets.SetSelection(0)
except:
wx.MessageBox(message=_('Unable to delete location'))
dlg.Destroy()
def DownloadLocation(self, event):
"""Download location online"""
from startup.locdownload import LocationDownloadDialog
loc_download = LocationDownloadDialog(parent=self,
database=self.gisdbase)
loc_download.ShowModal()
location = loc_download.GetLocation()
if location:
# get the new location to the list
self.UpdateLocations(self.gisdbase)
# seems to be used in similar context
self.UpdateMapsets(os.path.join(self.gisdbase, location))
self.lblocations.SetSelection(self.listOfLocations.index(location))
# wizard does this as well, not sure if needed
self.SetLocation(self.gisdbase, location, 'PERMANENT')
# seems to be used in similar context
self.OnSelectLocation(None)
loc_download.Destroy()
def UpdateLocations(self, dbase):
"""Update list of locations"""
try:
self.listOfLocations = GetListOfLocations(dbase)
except (UnicodeEncodeError, UnicodeDecodeError) as e:
GError(parent=self,
message=_(
"Unicode error detected. "
"Check your locale settings. Details: {0}").format(e),
showTraceback=False)
self.lblocations.Clear()
self.lblocations.InsertItems(self.listOfLocations, 0)
if len(self.listOfLocations) > 0:
self._hideMessage()
self.lblocations.SetSelection(0)
else:
self.lblocations.SetSelection(wx.NOT_FOUND)
self._showWarning(
_("No GRASS Location found in '%s'."
" Create a new Location or choose different"
" GRASS database directory.") % self.gisdbase)
return self.listOfLocations
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
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 OnSelectMapset(self, event):
"""Mapset selected"""
self.lbmapsets.SetSelection(event.GetIndex())
if event.GetText() not in self.listOfMapsetsSelectable:
self.lbmapsets.SetSelection(self.FormerMapsetSelection)
else:
self.FormerMapsetSelection = event.GetIndex()
event.Skip()
def OnSetDatabase(self, event):
"""Database set"""
gisdbase = self.tgisdbase.GetValue()
self._hideMessage()
if not os.path.exists(gisdbase):
self._showError(_("Path '%s' doesn't exist.") % gisdbase)
return
self.gisdbase = self.tgisdbase.GetValue()
self.UpdateLocations(self.gisdbase)
self.OnSelectLocation(None)
def OnBrowse(self, event):
"""'Browse' button clicked"""
if not event:
defaultPath = os.getenv('HOME')
else:
defaultPath = ""
dlg = wx.DirDialog(parent=self,
message=_("Choose GIS Data Directory"),
defaultPath=defaultPath,
style=wx.DD_DEFAULT_STYLE)
if dlg.ShowModal() == wx.ID_OK:
self.gisdbase = dlg.GetPath()
self.tgisdbase.SetValue(self.gisdbase)
self.OnSetDatabase(event)
dlg.Destroy()
def OnCreateMapset(self, event):
"""Create new mapset"""
dlg = NewMapsetDialog(
parent=self,
default=self._getDefaultMapsetName(),
validation_failed_handler=self._nameValidationFailed,
help_hanlder=self.OnHelp,
)
if dlg.ShowModal() == wx.ID_OK:
mapset = dlg.GetValue()
return self.CreateNewMapset(mapset=mapset)
else:
return False
def CreateNewMapset(self, mapset):
if mapset in self.listOfMapsets:
GMessage(parent=self,
message=_("Mapset <%s> already exists.") % mapset)
return False
if mapset.lower() == 'ogr':
dlg1 = wx.MessageDialog(
parent=self,
message=_(
"Mapset <%s> is reserved for direct "
"read access to OGR layers. Please consider to use "
"another name for your mapset.\n\n"
"Are you really sure that you want to create this mapset?")
% mapset,
caption=_("Reserved mapset name"),
style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION)
ret = dlg1.ShowModal()
dlg1.Destroy()
if ret == wx.ID_NO:
dlg1.Destroy()
return False
try:
self.gisdbase = self.tgisdbase.GetValue()
location = self.listOfLocations[self.lblocations.GetSelection()]
create_mapset(self.gisdbase, location, mapset)
self.OnSelectLocation(None)
self.lbmapsets.SetSelection(self.listOfMapsets.index(mapset))
self.bstart.SetFocus()
return True
except Exception as e:
GError(parent=self,
message=_("Unable to create new mapset: %s") % e,
showTraceback=False)
return False
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 SetLocation(self, dbase, location, mapset):
SetSessionMapset(dbase, location, mapset)
def _getDefaultMapsetName(self):
"""Returns default name for mapset."""
try:
defaultName = getpass.getuser()
# raise error if not ascii (not valid mapset name)
defaultName.encode('ascii')
except: # whatever might go wrong
defaultName = 'user'
return defaultName
def ExitSuccessfully(self):
self.Destroy()
sys.exit(self.exit_success)
def OnExit(self, event):
"""'Exit' button clicked"""
self.Destroy()
sys.exit(self.exit_user_requested)
def OnHelp(self, event):
"""'Help' button clicked"""
# help text in lib/init/helptext.html
RunCommand('g.manual', entry='helptext')
def OnCloseWindow(self, event):
"""Close window event"""
event.Skip()
sys.exit(self.exit_user_requested)
def _nameValidationFailed(self, ctrl):
message = _(
"Name <%(name)s> is not a valid name for location or mapset. "
"Please use only ASCII characters excluding %(chars)s "
"and space.") % {
'name': ctrl.GetValue(),
'chars': '/"\'@,=*~'
}
GError(parent=self, message=message, caption=_("Invalid name"))
class MapCalcFrame(wx.Frame):
"""Mapcalc Frame class. Calculator-style window to create and run
r(3).mapcalc statements.
"""
def __init__(self,
parent,
giface,
cmd,
id=wx.ID_ANY,
style=wx.DEFAULT_FRAME_STYLE | wx.RESIZE_BORDER,
**kwargs):
self.parent = parent
self._giface = giface
if self.parent:
self.log = self.parent.GetLogWindow()
else:
self.log = None
# grass command
self.cmd = cmd
if self.cmd == 'r.mapcalc':
self.rast3d = False
title = _('GRASS GIS Raster Map Calculator')
if self.cmd == 'r3.mapcalc':
self.rast3d = True
title = _('GRASS GIS 3D Raster Map Calculator')
wx.Frame.__init__(self, parent, id=id, title=title, **kwargs)
self.SetIcon(
wx.Icon(os.path.join(globalvar.ICONDIR, 'grass.ico'),
wx.BITMAP_TYPE_ICO))
self.panel = wx.Panel(parent=self, id=wx.ID_ANY)
self.CreateStatusBar()
#
# variables
#
self.heading = _('mapcalc statement')
self.funct_dict = {
'abs(x)': 'abs()',
'acos(x)': 'acos()',
'asin(x)': 'asin()',
'atan(x)': 'atan()',
'atan(x,y)': 'atan( , )',
'cos(x)': 'cos()',
'double(x)': 'double()',
'eval([x,y,...,]z)': 'eval()',
'exp(x)': 'exp()',
'exp(x,y)': 'exp( , )',
'float(x)': 'float()',
'graph(x,x1,y1[x2,y2..])': 'graph( , , )',
'if(x)': 'if()',
'if(x,a)': 'if( , )',
'if(x,a,b)': 'if( , , )',
'if(x,a,b,c)': 'if( , , , )',
'int(x)': 'int()',
'isnull(x)': 'isnull()',
'log(x)': 'log(',
'log(x,b)': 'log( , )',
'max(x,y[,z...])': 'max( , )',
'median(x,y[,z...])': 'median( , )',
'min(x,y[,z...])': 'min( , )',
'mode(x,y[,z...])': 'mode( , )',
'nmax(x,y[,z...])': 'nmax( , )',
'nmedian(x,y[,z...])': 'nmedian( , )',
'nmin(x,y[,z...])': 'nmin( , )',
'nmode(x,y[,z...])': 'nmode( , )',
'not(x)': 'not()',
'pow(x,y)': 'pow( , )',
'rand(a,b)': 'rand( , )',
'round(x)': 'round()',
'round(x,y)': 'round( , )',
'round(x,y,z)': 'round( , , )',
'sin(x)': 'sin()',
'sqrt(x)': 'sqrt()',
'tan(x)': 'tan()',
'xor(x,y)': 'xor( , )',
'row()': 'row()',
'col()': 'col()',
'nrows()': 'nrows()',
'ncols()': 'ncols()',
'x()': 'x()',
'y()': 'y()',
'ewres()': 'ewres()',
'nsres()': 'nsres()',
'area()': 'area()',
'null()': 'null()'
}
if self.rast3d:
self.funct_dict['z()'] = 'z()'
self.funct_dict['tbres()'] = 'tbres()'
element = 'raster_3d'
else:
element = 'cell'
# characters which can be in raster map name but the map name must be
# then quoted
self.charactersToQuote = '+-&!<>%~?^|'
# stores last typed map name in Select widget to distinguish typing
# from selection
self.lastMapName = ''
self.operatorBox = StaticBox(parent=self.panel,
id=wx.ID_ANY,
label=" %s " % _('Operators'))
self.outputBox = StaticBox(parent=self.panel,
id=wx.ID_ANY,
label=" %s " % _('Output'))
self.operandBox = StaticBox(parent=self.panel,
id=wx.ID_ANY,
label=" %s " % _('Operands'))
self.expressBox = StaticBox(parent=self.panel,
id=wx.ID_ANY,
label=" %s " % _('Expression'))
#
# Buttons
#
self.btn_clear = Button(parent=self.panel, id=wx.ID_CLEAR)
self.btn_help = Button(parent=self.panel, id=wx.ID_HELP)
self.btn_run = Button(parent=self.panel, id=wx.ID_ANY, label=_("&Run"))
self.btn_run.SetForegroundColour(wx.Colour(35, 142, 35))
self.btn_run.SetDefault()
self.btn_close = Button(parent=self.panel, id=wx.ID_CLOSE)
self.btn_save = Button(parent=self.panel, id=wx.ID_SAVE)
self.btn_save.SetToolTip(_('Save expression to file'))
self.btn_load = Button(parent=self.panel,
id=wx.ID_ANY,
label=_("&Load"))
self.btn_load.SetToolTip(_('Load expression from file'))
self.btn_copy = Button(parent=self.panel, id=wx.ID_COPY)
self.btn_copy.SetToolTip(
_("Copy the current command string to the clipboard"))
self.btn = dict()
self.btn['pow'] = Button(parent=self.panel, id=wx.ID_ANY, label="^")
self.btn['pow'].SetToolTip(_('exponent'))
self.btn['div'] = Button(parent=self.panel, id=wx.ID_ANY, label="/")
self.btn['div'].SetToolTip(_('divide'))
self.btn['add'] = Button(parent=self.panel, id=wx.ID_ANY, label="+")
self.btn['add'].SetToolTip(_('add'))
self.btn['minus'] = Button(parent=self.panel, id=wx.ID_ANY, label="-")
self.btn['minus'].SetToolTip(_('subtract'))
self.btn['mod'] = Button(parent=self.panel, id=wx.ID_ANY, label="%")
self.btn['mod'].SetToolTip(_('modulus'))
self.btn['mult'] = Button(parent=self.panel, id=wx.ID_ANY, label="*")
self.btn['mult'].SetToolTip(_('multiply'))
self.btn['parenl'] = Button(parent=self.panel, id=wx.ID_ANY, label="(")
self.btn['parenr'] = Button(parent=self.panel, id=wx.ID_ANY, label=")")
self.btn['lshift'] = Button(parent=self.panel,
id=wx.ID_ANY,
label="<<")
self.btn['lshift'].SetToolTip(_('left shift'))
self.btn['rshift'] = Button(parent=self.panel,
id=wx.ID_ANY,
label=">>")
self.btn['rshift'].SetToolTip(_('right shift'))
self.btn['rshiftu'] = Button(parent=self.panel,
id=wx.ID_ANY,
label=">>>")
self.btn['rshiftu'].SetToolTip(_('right shift (unsigned)'))
self.btn['gt'] = Button(parent=self.panel, id=wx.ID_ANY, label=">")
self.btn['gt'].SetToolTip(_('greater than'))
self.btn['gteq'] = Button(parent=self.panel, id=wx.ID_ANY, label=">=")
self.btn['gteq'].SetToolTip(_('greater than or equal to'))
self.btn['lt'] = Button(parent=self.panel, id=wx.ID_ANY, label="<")
self.btn['lt'].SetToolTip(_('less than'))
self.btn['lteq'] = Button(parent=self.panel, id=wx.ID_ANY, label="<=")
self.btn['lteq'].SetToolTip(_('less than or equal to'))
self.btn['eq'] = Button(parent=self.panel, id=wx.ID_ANY, label="==")
self.btn['eq'].SetToolTip(_('equal to'))
self.btn['noteq'] = Button(parent=self.panel, id=wx.ID_ANY, label="!=")
self.btn['noteq'].SetToolTip(_('not equal to'))
self.btn['compl'] = Button(parent=self.panel, id=wx.ID_ANY, label="~")
self.btn['compl'].SetToolTip(_('one\'s complement'))
self.btn['not'] = Button(parent=self.panel, id=wx.ID_ANY, label="!")
self.btn['not'].SetToolTip(_('NOT'))
self.btn['andbit'] = Button(parent=self.panel,
id=wx.ID_ANY,
label='&&')
self.btn['andbit'].SetToolTip(_('bitwise AND'))
self.btn['orbit'] = Button(parent=self.panel, id=wx.ID_ANY, label="|")
self.btn['orbit'].SetToolTip(_('bitwise OR'))
self.btn['and'] = Button(parent=self.panel, id=wx.ID_ANY, label="&&&&")
self.btn['and'].SetToolTip(_('logical AND'))
self.btn['andnull'] = Button(parent=self.panel,
id=wx.ID_ANY,
label="&&&&&&")
self.btn['andnull'].SetToolTip(_('logical AND (ignores NULLs)'))
self.btn['or'] = Button(parent=self.panel, id=wx.ID_ANY, label="||")
self.btn['or'].SetToolTip(_('logical OR'))
self.btn['ornull'] = Button(parent=self.panel,
id=wx.ID_ANY,
label="|||")
self.btn['ornull'].SetToolTip(_('logical OR (ignores NULLs)'))
self.btn['cond'] = Button(parent=self.panel,
id=wx.ID_ANY,
label="a ? b : c")
self.btn['cond'].SetToolTip(_('conditional'))
#
# Text area
#
self.text_mcalc = TextCtrl(parent=self.panel,
id=wx.ID_ANY,
size=(-1, 75),
style=wx.TE_MULTILINE)
wx.CallAfter(self.text_mcalc.SetFocus)
#
# Map and function insertion text and ComboBoxes
self.newmaplabel = StaticText(parent=self.panel, id=wx.ID_ANY)
if self.rast3d:
self.newmaplabel.SetLabel(
_('Name for new 3D raster map to create'))
else:
self.newmaplabel.SetLabel(_('Name for new raster map to create'))
# As we can write only to current mapset, names should not be fully qualified
# to not confuse end user about writing in other mapset
self.newmaptxt = Select(parent=self.panel,
id=wx.ID_ANY,
size=(250, -1),
type=element,
multiple=False,
fullyQualified=False)
self.mapsellabel = StaticText(parent=self.panel, id=wx.ID_ANY)
if self.rast3d:
self.mapsellabel.SetLabel(_('Insert existing 3D raster map'))
else:
self.mapsellabel.SetLabel(_('Insert existing raster map'))
self.mapselect = Select(parent=self.panel,
id=wx.ID_ANY,
size=(250, -1),
type=element,
multiple=False)
self.functlabel = StaticText(parent=self.panel,
id=wx.ID_ANY,
label=_('Insert mapcalc function'))
self.function = wx.ComboBox(parent=self.panel,
id=wx.ID_ANY,
size=(250, -1),
choices=sorted(self.funct_dict.keys()),
style=wx.CB_DROPDOWN | wx.CB_READONLY
| wx.TE_PROCESS_ENTER)
self.overwrite = wx.CheckBox(
parent=self.panel,
id=wx.ID_ANY,
label=_("Allow output files to overwrite existing files"))
self.overwrite.SetValue(
UserSettings.Get(group='cmd', key='overwrite', subkey='enabled'))
self.randomSeed = wx.CheckBox(
parent=self.panel, label=_("Generate random seed for rand()"))
self.randomSeedStaticText = StaticText(parent=self.panel,
label=_("Seed:"))
self.randomSeedText = TextCtrl(parent=self.panel,
size=(100, -1),
validator=IntegerValidator())
self.randomSeedText.SetToolTip(_("Integer seed for rand() function"))
self.randomSeed.SetValue(True)
self.randomSeedStaticText.Disable()
self.randomSeedText.Disable()
self.addbox = wx.CheckBox(
parent=self.panel,
label=_('Add created raster map into layer tree'),
style=wx.NO_BORDER)
self.addbox.SetValue(
UserSettings.Get(group='cmd', key='addNewLayer', subkey='enabled'))
if not self.parent or self.parent.GetName() != 'LayerManager':
self.addbox.Hide()
#
# Bindings
#
for btn in self.btn.keys():
self.btn[btn].Bind(wx.EVT_BUTTON, self.AddMark)
self.btn_close.Bind(wx.EVT_BUTTON, self.OnClose)
self.btn_clear.Bind(wx.EVT_BUTTON, self.OnClear)
self.btn_run.Bind(wx.EVT_BUTTON, self.OnMCalcRun)
self.btn_help.Bind(wx.EVT_BUTTON, self.OnHelp)
self.btn_save.Bind(wx.EVT_BUTTON, self.OnSaveExpression)
self.btn_load.Bind(wx.EVT_BUTTON, self.OnLoadExpression)
self.btn_copy.Bind(wx.EVT_BUTTON, self.OnCopy)
# self.mapselect.Bind(wx.EVT_TEXT, self.OnSelectTextEvt)
self.mapselect.Bind(wx.EVT_TEXT, self.OnSelect)
self.function.Bind(wx.EVT_COMBOBOX, self._return_funct)
self.function.Bind(wx.EVT_TEXT_ENTER, self.OnSelect)
self.newmaptxt.Bind(wx.EVT_TEXT, self.OnUpdateStatusBar)
self.text_mcalc.Bind(wx.EVT_TEXT, self.OnUpdateStatusBar)
self.overwrite.Bind(wx.EVT_CHECKBOX, self.OnUpdateStatusBar)
self.randomSeed.Bind(wx.EVT_CHECKBOX, self.OnUpdateStatusBar)
self.randomSeed.Bind(wx.EVT_CHECKBOX, self.OnSeedFlag)
self.randomSeedText.Bind(wx.EVT_TEXT, self.OnUpdateStatusBar)
self._layout()
self.SetMinSize(self.GetBestSize())
# workaround for http://trac.wxwidgets.org/ticket/13628
self.SetSize(self.GetBestSize())
def _return_funct(self, event):
i = event.GetString()
self._addSomething(self.funct_dict[i])
# reset
win = self.FindWindowById(event.GetId())
win.SetValue('')
def _layout(self):
sizer = wx.BoxSizer(wx.VERTICAL)
controlSizer = wx.BoxSizer(wx.HORIZONTAL)
operatorSizer = wx.StaticBoxSizer(self.operatorBox, wx.HORIZONTAL)
outOpeSizer = wx.BoxSizer(wx.VERTICAL)
buttonSizer1 = wx.GridBagSizer(5, 1)
buttonSizer1.Add(self.btn['add'], pos=(0, 0))
buttonSizer1.Add(self.btn['minus'], pos=(0, 1))
buttonSizer1.Add(self.btn['mod'], pos=(5, 0))
buttonSizer1.Add(self.btn['mult'], pos=(1, 0))
buttonSizer1.Add(self.btn['div'], pos=(1, 1))
buttonSizer1.Add(self.btn['pow'], pos=(5, 1))
buttonSizer1.Add(self.btn['gt'], pos=(2, 0))
buttonSizer1.Add(self.btn['gteq'], pos=(2, 1))
buttonSizer1.Add(self.btn['eq'], pos=(4, 0))
buttonSizer1.Add(self.btn['lt'], pos=(3, 0))
buttonSizer1.Add(self.btn['lteq'], pos=(3, 1))
buttonSizer1.Add(self.btn['noteq'], pos=(4, 1))
buttonSizer2 = wx.GridBagSizer(5, 1)
buttonSizer2.Add(self.btn['and'], pos=(0, 0))
buttonSizer2.Add(self.btn['andbit'], pos=(1, 0))
buttonSizer2.Add(self.btn['andnull'], pos=(2, 0))
buttonSizer2.Add(self.btn['or'], pos=(0, 1))
buttonSizer2.Add(self.btn['orbit'], pos=(1, 1))
buttonSizer2.Add(self.btn['ornull'], pos=(2, 1))
buttonSizer2.Add(self.btn['lshift'], pos=(3, 0))
buttonSizer2.Add(self.btn['rshift'], pos=(3, 1))
buttonSizer2.Add(self.btn['rshiftu'], pos=(4, 0))
buttonSizer2.Add(self.btn['cond'], pos=(5, 0))
buttonSizer2.Add(self.btn['compl'], pos=(5, 1))
buttonSizer2.Add(self.btn['not'], pos=(4, 1))
outputSizer = wx.StaticBoxSizer(self.outputBox, wx.VERTICAL)
outputSizer.Add(self.newmaplabel,
flag=wx.ALIGN_CENTER | wx.BOTTOM | wx.TOP,
border=5)
outputSizer.Add(self.newmaptxt, flag=wx.EXPAND)
operandSizer = wx.StaticBoxSizer(self.operandBox, wx.HORIZONTAL)
buttonSizer3 = wx.GridBagSizer(7, 1)
buttonSizer3.Add(self.functlabel,
pos=(0, 0),
span=(1, 2),
flag=wx.ALIGN_CENTER)
buttonSizer3.Add(self.function, pos=(1, 0), span=(1, 2))
buttonSizer3.Add(self.mapsellabel,
pos=(2, 0),
span=(1, 2),
flag=wx.ALIGN_CENTER)
buttonSizer3.Add(self.mapselect, pos=(3, 0), span=(1, 2))
threebutton = wx.GridBagSizer(1, 2)
threebutton.Add(self.btn['parenl'],
pos=(0, 0),
span=(1, 1),
flag=wx.ALIGN_LEFT)
threebutton.Add(self.btn['parenr'],
pos=(0, 1),
span=(1, 1),
flag=wx.ALIGN_CENTER)
threebutton.Add(self.btn_clear,
pos=(0, 2),
span=(1, 1),
flag=wx.ALIGN_RIGHT)
buttonSizer3.Add(threebutton,
pos=(4, 0),
span=(1, 1),
flag=wx.ALIGN_CENTER)
buttonSizer4 = wx.BoxSizer(wx.HORIZONTAL)
buttonSizer4.Add(self.btn_load, flag=wx.ALL, border=5)
buttonSizer4.Add(self.btn_save, flag=wx.ALL, border=5)
buttonSizer4.Add(self.btn_copy, flag=wx.ALL, border=5)
buttonSizer4.AddSpacer(30)
buttonSizer4.Add(self.btn_help, flag=wx.ALL, border=5)
buttonSizer4.Add(self.btn_run, flag=wx.ALL, border=5)
buttonSizer4.Add(self.btn_close, flag=wx.ALL, border=5)
operatorSizer.Add(buttonSizer1,
proportion=0,
flag=wx.ALL | wx.EXPAND,
border=5)
operatorSizer.Add(buttonSizer2,
proportion=0,
flag=wx.TOP | wx.BOTTOM | wx.RIGHT | wx.EXPAND,
border=5)
operandSizer.Add(buttonSizer3,
proportion=0,
flag=wx.TOP | wx.BOTTOM | wx.RIGHT,
border=5)
controlSizer.Add(operatorSizer,
proportion=1,
flag=wx.RIGHT | wx.EXPAND,
border=5)
outOpeSizer.Add(outputSizer, proportion=0, flag=wx.EXPAND)
outOpeSizer.Add(operandSizer,
proportion=1,
flag=wx.EXPAND | wx.TOP,
border=5)
controlSizer.Add(outOpeSizer, proportion=0, flag=wx.EXPAND)
expressSizer = wx.StaticBoxSizer(self.expressBox, wx.HORIZONTAL)
expressSizer.Add(self.text_mcalc, proportion=1, flag=wx.EXPAND)
sizer.Add(controlSizer,
proportion=0,
flag=wx.EXPAND | wx.ALL,
border=5)
sizer.Add(expressSizer,
proportion=1,
flag=wx.EXPAND | wx.LEFT | wx.RIGHT,
border=5)
sizer.Add(buttonSizer4,
proportion=0,
flag=wx.ALIGN_RIGHT | wx.ALL,
border=3)
randomSizer = wx.BoxSizer(wx.HORIZONTAL)
randomSizer.Add(self.randomSeed,
proportion=0,
flag=wx.RIGHT | wx.ALIGN_CENTER_VERTICAL,
border=20)
randomSizer.Add(self.randomSeedStaticText,
proportion=0,
flag=wx.RIGHT | wx.ALIGN_CENTER_VERTICAL,
border=5)
randomSizer.Add(self.randomSeedText, proportion=0)
sizer.Add(randomSizer, proportion=0, flag=wx.LEFT | wx.RIGHT, border=5)
sizer.Add(self.overwrite,
proportion=0,
flag=wx.LEFT | wx.RIGHT,
border=5)
if self.addbox.IsShown():
sizer.Add(self.addbox,
proportion=0,
flag=wx.LEFT | wx.RIGHT,
border=5)
self.panel.SetAutoLayout(True)
self.panel.SetSizer(sizer)
sizer.Fit(self.panel)
self.Layout()
def AddMark(self, event):
"""Sends operators to insertion method
"""
if event.GetId() == self.btn['compl'].GetId():
mark = "~"
elif event.GetId() == self.btn['not'].GetId():
mark = "!"
elif event.GetId() == self.btn['pow'].GetId():
mark = "^"
elif event.GetId() == self.btn['div'].GetId():
mark = "/"
elif event.GetId() == self.btn['add'].GetId():
mark = "+"
elif event.GetId() == self.btn['minus'].GetId():
mark = "-"
elif event.GetId() == self.btn['mod'].GetId():
mark = "%"
elif event.GetId() == self.btn['mult'].GetId():
mark = "*"
elif event.GetId() == self.btn['lshift'].GetId():
mark = "<<"
elif event.GetId() == self.btn['rshift'].GetId():
mark = ">>"
elif event.GetId() == self.btn['rshiftu'].GetId():
mark = ">>>"
elif event.GetId() == self.btn['gt'].GetId():
mark = ">"
elif event.GetId() == self.btn['gteq'].GetId():
mark = ">="
elif event.GetId() == self.btn['lt'].GetId():
mark = "<"
elif event.GetId() == self.btn['lteq'].GetId():
mark = "<="
elif event.GetId() == self.btn['eq'].GetId():
mark = "=="
elif event.GetId() == self.btn['noteq'].GetId():
mark = "!="
elif event.GetId() == self.btn['andbit'].GetId():
mark = "&"
elif event.GetId() == self.btn['orbit'].GetId():
mark = "|"
elif event.GetId() == self.btn['or'].GetId():
mark = "||"
elif event.GetId() == self.btn['ornull'].GetId():
mark = "|||"
elif event.GetId() == self.btn['and'].GetId():
mark = "&&"
elif event.GetId() == self.btn['andnull'].GetId():
mark = "&&&"
elif event.GetId() == self.btn['cond'].GetId():
mark = " ? : "
elif event.GetId() == self.btn['parenl'].GetId():
mark = "("
elif event.GetId() == self.btn['parenr'].GetId():
mark = ")"
self._addSomething(mark)
# unused
# def OnSelectTextEvt(self, event):
# """Checks if user is typing or the event was emited by map selection.
# Prevents from changing focus.
# """
# item = self.mapselect.GetValue().strip()
# if not (abs(len(item) - len(self.lastMapName)) == 1 and \
# self.lastMapName in item or item in self.lastMapName):
# self.OnSelect(event)
# self.lastMapName = item
def OnSelect(self, event):
"""Gets raster map or function selection and send it to
insertion method.
Checks for characters which can be in raster map name but
the raster map name must be then quoted.
"""
win = self.FindWindowById(event.GetId())
item = win.GetValue().strip()
if any((char in item) for char in self.charactersToQuote):
item = '"' + item + '"'
self._addSomething(item)
win.ChangeValue('') # reset
# Map selector likes to keep focus. Set it back to expression input area
wx.CallAfter(self.text_mcalc.SetFocus)
def OnUpdateStatusBar(self, event):
"""Update statusbar text"""
command = self._getCommand()
self.SetStatusText(command)
event.Skip()
def OnSeedFlag(self, event):
checked = self.randomSeed.IsChecked()
self.randomSeedText.Enable(not checked)
self.randomSeedStaticText.Enable(not checked)
event.Skip()
def _getCommand(self):
"""Returns entire command as string."""
expr = self.text_mcalc.GetValue().strip().replace("\n", " ")
cmd = 'r.mapcalc'
if self.rast3d:
cmd = 'r3.mapcalc'
overwrite = ''
if self.overwrite.IsChecked():
overwrite = ' --overwrite'
seed_flag = seed = ''
if re.search(pattern="rand *\(.+\)", string=expr):
if self.randomSeed.IsChecked():
seed_flag = ' -s'
else:
seed = " seed={val}".format(
val=self.randomSeedText.GetValue().strip())
return ('{cmd} expression="{new} = {expr}"{seed}{seed_flag}{overwrite}'
.format(cmd=cmd,
expr=expr,
new=self.newmaptxt.GetValue(),
seed_flag=seed_flag,
seed=seed,
overwrite=overwrite))
def _addSomething(self, what):
"""Inserts operators, map names, and functions into text area
"""
mcalcstr = self.text_mcalc.GetValue()
position = self.text_mcalc.GetInsertionPoint()
newmcalcstr = mcalcstr[:position]
position_offset = 0
try:
if newmcalcstr[-1] != ' ':
newmcalcstr += ' '
position_offset += 1
except:
pass
newmcalcstr += what
# Do not add extra space if there is already one
try:
if newmcalcstr[-1] != ' ' and mcalcstr[position] != ' ':
newmcalcstr += ' '
except:
newmcalcstr += ' '
newmcalcstr += mcalcstr[position:]
self.text_mcalc.SetValue(newmcalcstr)
if len(what) > 0:
match = re.search(pattern="\(.*\)", string=what)
if match:
position_offset += match.start() + 1
else:
position_offset += len(what)
try:
if newmcalcstr[position + position_offset] == ' ':
position_offset += 1
except:
pass
self.text_mcalc.SetInsertionPoint(position + position_offset)
self.text_mcalc.Update()
self.text_mcalc.SetFocus()
def OnMCalcRun(self, event):
"""Builds and runs r.mapcalc statement
"""
name = self.newmaptxt.GetValue().strip()
if not name:
GError(parent=self,
message=_("You must enter the name of "
"a new raster map to create."))
return
if not (name[0] == '"' and name[-1] == '"') and any(
(char in name) for char in self.charactersToQuote):
name = '"' + name + '"'
expr = self.text_mcalc.GetValue().strip().replace("\n", " ")
if not expr:
GError(parent=self,
message=_("You must enter an expression "
"to create a new raster map."))
return
seed_flag = seed = None
if re.search(pattern="rand *\(.+\)", string=expr):
if self.randomSeed.IsChecked():
seed_flag = '-s'
else:
seed = self.randomSeedText.GetValue().strip()
if self.log:
cmd = [self.cmd]
if seed_flag:
cmd.append('-s')
if seed:
cmd.append("seed={val}".format(val=seed))
if self.overwrite.IsChecked():
cmd.append('--overwrite')
cmd.append(str('expression=%s = %s' % (name, expr)))
self.log.RunCmd(cmd, onDone=self.OnDone)
self.parent.Raise()
else:
if self.overwrite.IsChecked():
overwrite = True
else:
overwrite = False
params = dict(expression="%s=%s" % (name, expr),
overwrite=overwrite)
if seed_flag:
params['flags'] = 's'
if seed:
params['seed'] = seed
RunCommand(self.cmd, **params)
def OnDone(self, event):
"""Add create map to the layer tree
Sends the mapCreated signal from the grass interface.
"""
if event.returncode != 0:
return
name = self.newmaptxt.GetValue().strip(
' "') + '@' + grass.gisenv()['MAPSET']
ltype = 'raster'
if self.rast3d:
ltype = 'raster_3d'
self._giface.mapCreated.emit(name=name,
ltype=ltype,
add=self.addbox.IsChecked())
def OnSaveExpression(self, event):
"""Saves expression to file
"""
mctxt = self.newmaptxt.GetValue() + ' = ' + self.text_mcalc.GetValue(
) + os.linesep
# dialog
dlg = wx.FileDialog(
parent=self,
message=_("Choose a file name to save the expression"),
wildcard=_("Expression file (*)|*"),
style=wx.FD_SAVE | wx.FD_OVERWRITE_PROMPT)
if dlg.ShowModal() == wx.ID_OK:
path = dlg.GetPath()
if not path:
dlg.Destroy()
return
try:
fobj = open(path, 'w')
fobj.write(mctxt)
finally:
fobj.close()
dlg.Destroy()
def OnLoadExpression(self, event):
"""Load expression from file
"""
dlg = wx.FileDialog(
parent=self,
message=_("Choose a file name to load the expression"),
wildcard=_("Expression file (*)|*"),
style=wx.FD_OPEN)
if dlg.ShowModal() == wx.ID_OK:
path = dlg.GetPath()
if not path:
dlg.Destroy()
return
try:
fobj = open(path, 'r')
mctxt = fobj.read()
finally:
fobj.close()
try:
result, exp = mctxt.split('=', 1)
except ValueError:
result = ''
exp = mctxt
self.newmaptxt.SetValue(result.strip())
self.text_mcalc.SetValue(exp.strip())
self.text_mcalc.SetFocus()
self.text_mcalc.SetInsertionPointEnd()
dlg.Destroy()
def OnCopy(self, event):
command = self._getCommand()
cmddata = wx.TextDataObject()
cmddata.SetText(command)
if wx.TheClipboard.Open():
wx.TheClipboard.SetData(cmddata)
wx.TheClipboard.Close()
self.SetStatusText(
_("'{cmd}' copied to clipboard").format(cmd=command))
def OnClear(self, event):
"""Clears text area
"""
self.text_mcalc.SetValue('')
def OnHelp(self, event):
"""Launches r.mapcalc help
"""
RunCommand('g.manual', parent=self, entry=self.cmd)
def OnClose(self, event):
"""Close window"""
self.Destroy()
class SbMask:
"""Button to show whether mask is activated and remove mask with
left mouse click
"""
def __init__(self, parent, giface):
self.name = "mask"
self.mask_layer = "MASK"
self.parent = parent
self.giface = giface
self.widget = Button(
parent=parent, id=wx.ID_ANY, label=_(self.mask_layer), style=wx.NO_BORDER
)
self.widget.Bind(wx.EVT_BUTTON, self.OnRemoveMask)
self.widget.SetForegroundColour(wx.Colour(255, 0, 0))
self.widget.SetToolTip(tip=_("Left mouse click to remove the MASK"))
self.giface.currentMapsetChanged.connect(self.Refresh)
self.giface.grassdbChanged.connect(self._dbChanged)
self.Refresh()
def _dbChanged(self, map=None, newname=None):
if map == self.mask_layer or newname == self.mask_layer:
self.Refresh()
self.giface.updateMap.emit()
def Show(self):
"""Invokes showing of underlying widget.
In derived classes it can do what is appropriate for it,
e.g. showing text on statusbar (only).
"""
self.widget.Show()
def Hide(self):
self.widget.Hide()
def SetValue(self, value):
self.widget.SetValue(value)
def GetValue(self):
return self.widget.GetValue()
def GetWidget(self):
"""Returns underlying widget.
:return: widget or None if doesn't exist
"""
return self.widget
def Refresh(self):
"""Show mask in the statusbar if mask file found"""
if gs.find_file(
name=self.mask_layer, element="cell", mapset=gs.gisenv()["MAPSET"]
)["name"]:
self.Show()
else:
self.Hide()
def OnRemoveMask(self, event):
dlg = wx.MessageDialog(
self.parent,
message=_("Are you sure that you want to remove the MASK?"),
caption=_("Remove MASK"),
style=wx.YES_NO | wx.YES_DEFAULT | wx.ICON_QUESTION,
)
if dlg.ShowModal() != wx.ID_YES:
dlg.Destroy()
return
RunCommand("r.mask", flags="r")
gisenv = gs.gisenv()
self.giface.grassdbChanged.emit(
grassdb=gisenv["GISDBASE"],
location=gisenv["LOCATION_NAME"],
mapset=gisenv["MAPSET"],
map=self.mask_layer,
action="delete",
element="raster",
)
