/
tree.py
1576 lines (1385 loc) · 62.9 KB
/
tree.py
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"""
@package datacatalog::tree
@brief Data catalog tree classes
Classes:
- datacatalog::NameEntryDialog
- datacatalog::DataCatalogNode
- datacatalog::DataCatalogTree
(C) 2014-2018 by Tereza Fiedlerova, and the GRASS Development Team
This program is free software under the GNU General Public
License (>=v2). Read the file COPYING that comes with GRASS
for details.
@author Tereza Fiedlerova
@author Anna Petrasova (kratochanna gmail com)
@author Linda Kladivova (l.kladivova@seznam.cz)
"""
import os
import re
import copy
from multiprocessing import Process, Queue, cpu_count
import wx
from core.gcmd import RunCommand, GError, GMessage, GWarning
from core.utils import GetListOfLocations
from core.debug import Debug
from gui_core.dialogs import TextEntryDialog
from core.giface import StandaloneGrassInterface
from core.treemodel import TreeModel, DictNode
from gui_core.treeview import TreeView
from gui_core.wrap import Menu
from datacatalog.dialogs import CatalogReprojectionDialog
from icons.icon import MetaIcon
from core.settings import UserSettings
from startup.guiutils import (
create_mapset_interactively,
create_location_interactively,
rename_mapset_interactively,
rename_location_interactively,
delete_mapsets_interactively,
delete_locations_interactively,
download_location_interactively,
delete_grassdb_interactively,
can_switch_mapset_interactive
)
from grass.pydispatch.signal import Signal
import grass.script as gscript
from grass.script import gisenv
from grass.grassdb.data import map_exists
from grass.grassdb.checks import (get_mapset_owner, is_mapset_locked,
is_different_mapset_owner)
from grass.exceptions import CalledModuleError
def filterModel(model, element=None, name=None):
"""Filter tree model based on type or name of map using regular expressions.
Copies tree and remove nodes which don't match."""
fmodel = copy.deepcopy(model)
nodesToRemove = []
if name:
try:
regex = re.compile(name)
except:
return fmodel
for gisdbase in fmodel.root.children:
for location in gisdbase.children:
for mapset in location.children:
for layer in mapset.children:
if element and layer.data['type'] != element:
nodesToRemove.append(layer)
continue
if name and regex.search(layer.data['name']) is None:
nodesToRemove.append(layer)
for node in reversed(nodesToRemove):
fmodel.RemoveNode(node)
cleanUpTree(fmodel)
return fmodel
def cleanUpTree(model):
"""Removes empty element/mapsets/locations nodes.
It first removes empty elements, then mapsets, then locations"""
# removes empty mapsets
nodesToRemove = []
for gisdbase in model.root.children:
for location in gisdbase.children:
for mapset in location.children:
if not mapset.children:
nodesToRemove.append(mapset)
for node in reversed(nodesToRemove):
model.RemoveNode(node)
# removes empty locations
nodesToRemove = []
for gisdbase in model.root.children:
for location in gisdbase.children:
if not location.children:
nodesToRemove.append(location)
for node in reversed(nodesToRemove):
model.RemoveNode(node)
def getLocationTree(gisdbase, location, queue, mapsets=None):
"""Creates dictionary with mapsets, elements, layers for given location.
Returns tuple with the dictionary and error (or None)"""
tmp_gisrc_file, env = gscript.create_environment(gisdbase, location, 'PERMANENT')
env['GRASS_SKIP_MAPSET_OWNER_CHECK'] = '1'
maps_dict = {}
elements = ['raster', 'raster_3d', 'vector']
try:
if not mapsets:
mapsets = gscript.read_command(
'g.mapsets',
flags='l',
separator='comma',
quiet=True,
env=env).strip()
except CalledModuleError:
queue.put(
(maps_dict,
_("Failed to read mapsets from location <{l}>.").format(
l=location)))
gscript.try_remove(tmp_gisrc_file)
return
else:
mapsets = mapsets.split(',')
Debug.msg(
4, "Location <{0}>: {1} mapsets found".format(
location, len(mapsets)))
for each in mapsets:
maps_dict[each] = []
try:
maplist = gscript.read_command(
'g.list', flags='mt', type=elements,
mapset=','.join(mapsets),
quiet=True, env=env).strip()
except CalledModuleError:
queue.put(
(maps_dict,
_("Failed to read maps from location <{l}>.").format(
l=location)))
gscript.try_remove(tmp_gisrc_file)
return
else:
# fill dictionary
listOfMaps = maplist.splitlines()
Debug.msg(
4, "Location <{0}>: {1} maps found".format(
location, len(listOfMaps)))
for each in listOfMaps:
ltype, wholename = each.split('/')
name, mapset = wholename.split('@')
maps_dict[mapset].append({'name': name, 'type': ltype})
queue.put((maps_dict, None))
gscript.try_remove(tmp_gisrc_file)
class NameEntryDialog(TextEntryDialog):
def __init__(self, element, mapset, env, **kwargs):
TextEntryDialog.__init__(self, **kwargs)
self._element = element
self._mapset = mapset
self._env = env
id_OK = self.GetAffirmativeId()
self.Bind(wx.EVT_BUTTON, self.OnOK, self.FindWindowById(id_OK))
def OnOK(self, event):
new = self.GetValue()
if not new:
return
if map_exists(new, self._element, env=self._env, mapset=self._mapset):
dlg = wx.MessageDialog(
self,
message=_(
"Map of type {elem} <{name}> already exists in mapset <{mapset}>. "
"Do you want to overwrite it?").format(
elem=self._element,
name=new,
mapset=self._mapset),
caption=_("Overwrite?"),
style=wx.YES_NO)
if dlg.ShowModal() == wx.ID_YES:
dlg.Destroy()
self._env['GRASS_OVERWRITE'] = '1'
self.EndModal(wx.ID_OK)
else:
dlg.Destroy()
return
else:
self.EndModal(wx.ID_OK)
class DataCatalogNode(DictNode):
"""Node representing item in datacatalog."""
def __init__(self, data=None):
super(DataCatalogNode, self).__init__(data=data)
@property
def label(self):
data = self.data
if data['type'] == 'mapset':
owner = data['owner'] if data['owner'] else _("name unknown")
if data['current']:
return _("{name} (current)").format(**data)
elif data['is_different_owner'] and data['lock']:
return _("{name} (in use, owner: {owner})").format(
name=data["name"], owner=owner
)
elif data['lock']:
return _("{name} (in use)").format(**data)
elif data['is_different_owner']:
return _("{name} (owner: {owner})").format(name=data["name"],
owner=owner)
return _("{name}").format(**data)
def match(self, **kwargs):
"""Method used for searching according to given parameters.
:param value: dictionary value to be matched
:param key: data dictionary key
"""
if not kwargs:
return False
for key in kwargs:
if not (key in self.data and self.data[key] == kwargs[key]):
return False
return True
class DataCatalogTree(TreeView):
def __init__(
self, parent, model=None, giface=None,
style=wx.TR_HIDE_ROOT | wx.TR_EDIT_LABELS |
wx.TR_LINES_AT_ROOT | wx.TR_HAS_BUTTONS |
wx.TR_FULL_ROW_HIGHLIGHT | wx.TR_MULTIPLE):
"""Location Map Tree constructor."""
self._model = TreeModel(DataCatalogNode)
self._orig_model = self._model
super(
DataCatalogTree,
self).__init__(
parent=parent,
model=self._model,
id=wx.ID_ANY,
style=style)
self._giface = giface
self._restricted = True
self.showNotification = Signal('Tree.showNotification')
self.changeMapset = Signal('Tree.changeMapset')
self.changeLocation = Signal('Tree.changeLocation')
self.parent = parent
self.contextMenu.connect(self.OnRightClick)
self.itemActivated.connect(self.OnDoubleClick)
self._iconTypes = ['grassdb', 'location', 'mapset', 'raster',
'vector', 'raster_3d']
self._initImages()
self._resetSelectVariables()
self._resetCopyVariables()
self.current_grassdb_node = None
self.current_location_node = None
self.current_mapset_node = None
self.UpdateCurrentDbLocationMapsetNode()
# Get databases from settings
# add current to settings if it's not included
self.grassdatabases = self._getValidSavedGrassDBs()
currentDB = gisenv()['GISDBASE']
if currentDB not in self.grassdatabases:
self.grassdatabases.append(currentDB)
self._saveGrassDBs()
self.beginDrag = Signal('DataCatalogTree.beginDrag')
self.endDrag = Signal('DataCatalogTree.endDrag')
self.startEdit = Signal('DataCatalogTree.startEdit')
self.endEdit = Signal('DataCatalogTree.endEdit')
self.Bind(wx.EVT_TREE_BEGIN_DRAG, lambda evt:
self._emitSignal(evt.GetItem(), self.beginDrag, event=evt))
self.Bind(wx.EVT_TREE_END_DRAG, lambda evt:
self._emitSignal(evt.GetItem(), self.endDrag, event=evt))
self.beginDrag.connect(self.OnBeginDrag)
self.endDrag.connect(self.OnEndDrag)
self.Bind(wx.EVT_TREE_BEGIN_LABEL_EDIT, lambda evt:
self._emitSignal(evt.GetItem(), self.startEdit, event=evt))
self.Bind(wx.EVT_TREE_END_LABEL_EDIT, lambda evt:
self._emitSignal(evt.GetItem(), self.endEdit, event=evt))
self.startEdit.connect(self.OnStartEditLabel)
self.endEdit.connect(self.OnEditLabel)
def _resetSelectVariables(self):
"""Reset variables related to item selection."""
self.selected_grassdb = []
self.selected_layer = []
self.selected_mapset = []
self.selected_location = []
self.mixed = False
def _resetCopyVariables(self):
"""Reset copy related variables."""
self.copy_mode = False
self.copy_layer = None
self.copy_mapset = None
self.copy_location = None
self.copy_grassdb = None
def _getValidSavedGrassDBs(self):
"""Returns list of GRASS databases from settings.
Returns only existing directories."""
dbs = UserSettings.Get(group='datacatalog',
key='grassdbs',
subkey='listAsString')
dbs = [db for db in dbs.split(',') if os.path.isdir(db)]
return dbs
def _saveGrassDBs(self):
"""Save current grass dbs in tree to settings"""
UserSettings.Set(group='datacatalog',
key='grassdbs',
subkey='listAsString',
value=",".join(self.grassdatabases))
grassdbSettings = {}
UserSettings.ReadSettingsFile(settings=grassdbSettings)
if 'datacatalog' not in grassdbSettings:
grassdbSettings['datacatalog'] = UserSettings.Get(group='datacatalog')
# update only dbs
grassdbSettings['datacatalog']['grassdbs'] = UserSettings.Get(group='datacatalog', key='grassdbs')
UserSettings.SaveToFile(grassdbSettings)
def _reloadMapsetNode(self, mapset_node):
"""Recursively reload the model of a specific mapset node"""
if mapset_node.children:
del mapset_node.children[:]
q = Queue()
p = Process(
target=getLocationTree,
args=(
mapset_node.parent.parent.data['name'],
mapset_node.parent.data['name'],
q,
mapset_node.data['name']))
p.start()
maps, error = q.get()
self._populateMapsetItem(mapset_node,
maps[mapset_node.data['name']])
self._orig_model = copy.deepcopy(self._model)
return error
def _reloadLocationNode(self, location_node):
"""Recursively reload the model of a specific location node"""
if location_node.children:
del location_node.children[:]
q = Queue()
p = Process(
target=getLocationTree,
args=(
location_node.parent.data['name'],
location_node.data['name'],
q,
None))
p.start()
maps, error = q.get()
for mapset in maps:
mapset_path = os.path.join(location_node.parent.data['name'],
location_node.data['name'],
mapset)
mapset_node = self._model.AppendNode(
parent=location_node,
data=dict(type='mapset',
name=mapset,
current=False,
lock=is_mapset_locked(mapset_path),
is_different_owner=is_different_mapset_owner(mapset_path),
owner=get_mapset_owner(mapset_path)))
self._populateMapsetItem(mapset_node,
maps[mapset])
self._model.SortChildren(location_node)
self._orig_model = copy.deepcopy(self._model)
return error
def _reloadGrassDBNode(self, grassdb_node):
"""Recursively reload the model of a specific grassdb node.
Runs reloading locations in parallel."""
if grassdb_node.children:
del grassdb_node.children[:]
locations = GetListOfLocations(grassdb_node.data['name'])
loc_count = proc_count = 0
queue_list = []
proc_list = []
loc_list = []
try:
nprocs = cpu_count()
except NotImplementedError:
nprocs = 4
results = dict()
errors = []
location_nodes = []
all_location_nodes = []
nlocations = len(locations)
for location in locations:
results[location] = dict()
varloc = self._model.AppendNode(parent=grassdb_node,
data=dict(type='location',
name=location))
location_nodes.append(varloc)
all_location_nodes.append(varloc)
loc_count += 1
Debug.msg(
3, "Scanning location <{0}> ({1}/{2})".format(location, loc_count, nlocations))
q = Queue()
p = Process(target=getLocationTree,
args=(grassdb_node.data['name'], location, q))
p.start()
queue_list.append(q)
proc_list.append(p)
loc_list.append(location)
proc_count += 1
# Wait for all running processes
if proc_count == nprocs or loc_count == nlocations:
Debug.msg(4, "Process subresults")
for i in range(len(loc_list)):
maps, error = queue_list[i].get()
proc_list[i].join()
if error:
errors.append(error)
for key in sorted(maps.keys()):
mapset_path = os.path.join(location_nodes[i].parent.data['name'],
location_nodes[i].data['name'],
key)
mapset_node = self._model.AppendNode(
parent=location_nodes[i],
data=dict(type='mapset',
name=key,
lock=is_mapset_locked(mapset_path),
current=False,
is_different_owner=is_different_mapset_owner(mapset_path),
owner=get_mapset_owner(mapset_path)))
self._populateMapsetItem(mapset_node, maps[key])
proc_count = 0
proc_list = []
queue_list = []
loc_list = []
location_nodes = []
for node in all_location_nodes:
self._model.SortChildren(node)
self._model.SortChildren(grassdb_node)
self._orig_model = copy.deepcopy(self._model)
return errors
def _reloadTreeItems(self):
"""Updates grass databases, locations, mapsets and layers in the tree.
Saves resulting data and error."""
errors = []
for grassdatabase in self.grassdatabases:
grassdb_nodes = self._model.SearchNodes(name=grassdatabase,
type='grassdb')
if not grassdb_nodes:
grassdb_node = self._model.AppendNode(parent=self._model.root,
data=dict(type='grassdb',
name=grassdatabase))
else:
grassdb_node = grassdb_nodes[0]
error = self._reloadGrassDBNode(grassdb_node)
if error:
errors.append(error)
if errors:
wx.CallAfter(GWarning, '\n'.join(errors))
Debug.msg(1, "Tree filled")
self.UpdateCurrentDbLocationMapsetNode()
self.RefreshItems()
def _renameNode(self, node, name):
"""Rename node (map, mapset, location), sort and refresh.
Should be called after actual renaming of a map, mapset, location."""
node.data['name'] = name
self._model.SortChildren(node.parent)
self.RefreshNode(node.parent, recursive=True)
def UpdateCurrentDbLocationMapsetNode(self):
"""Update variables storing current mapset/location/grassdb node.
Updates associated mapset node data ('lock' and 'current').
"""
def is_current_mapset_node_locked():
mapset_path = os.path.join(self.current_grassdb_node.data['name'],
self.current_location_node.data['name'],
self.current_mapset_node.data["name"])
return is_mapset_locked(mapset_path)
if self.current_mapset_node:
self.current_mapset_node.data["current"] = False
self.current_mapset_node.data["lock"] = is_current_mapset_node_locked()
self.current_grassdb_node, self.current_location_node, self.current_mapset_node = \
self.GetCurrentDbLocationMapsetNode()
if self.current_mapset_node:
self.current_mapset_node.data["current"] = True
self.current_mapset_node.data["lock"] = is_current_mapset_node_locked()
def ReloadTreeItems(self):
"""Reload dbs, locations, mapsets and layers in the tree."""
self._reloadTreeItems()
def ReloadCurrentMapset(self):
"""Reload current mapset tree only."""
self.UpdateCurrentDbLocationMapsetNode()
if not self.current_grassdb_node or not self.current_location_node or not self.current_mapset_node:
return
self._reloadMapsetNode(self.current_mapset_node)
self.RefreshNode(self.current_mapset_node, recursive=True)
def _populateMapsetItem(self, mapset_node, data):
for item in data:
self._model.AppendNode(parent=mapset_node,
data=dict(**item))
self._model.SortChildren(mapset_node)
def _initImages(self):
bmpsize = (16, 16)
icons = {
'grassdb': MetaIcon(img='grassdb').GetBitmap(bmpsize),
'location': MetaIcon(img='location').GetBitmap(bmpsize),
'mapset': MetaIcon(img='mapset').GetBitmap(bmpsize),
'raster': MetaIcon(img='raster').GetBitmap(bmpsize),
'vector': MetaIcon(img='vector').GetBitmap(bmpsize),
'raster_3d': MetaIcon(img='raster3d').GetBitmap(bmpsize)
}
il = wx.ImageList(bmpsize[0], bmpsize[1], mask=False)
for each in self._iconTypes:
il.Add(icons[each])
self.AssignImageList(il)
def GetControl(self):
"""Returns control itself."""
return self
def DefineItems(self, selected):
"""Set selected items."""
self._resetSelectVariables()
mixed = []
for item in selected:
type = item.data['type']
if type in ('raster', 'raster_3d', 'vector'):
self.selected_layer.append(item)
self.selected_mapset.append(item.parent)
self.selected_location.append(item.parent.parent)
self.selected_grassdb.append(item.parent.parent.parent)
mixed.append('layer')
elif type == 'mapset':
self.selected_layer.append(None)
self.selected_mapset.append(item)
self.selected_location.append(item.parent)
self.selected_grassdb.append(item.parent.parent)
mixed.append('mapset')
elif type == 'location':
self.selected_layer.append(None)
self.selected_mapset.append(None)
self.selected_location.append(item)
self.selected_grassdb.append(item.parent)
mixed.append('location')
elif type == 'grassdb':
self.selected_layer.append(None)
self.selected_mapset.append(None)
self.selected_location.append(None)
self.selected_grassdb.append(item)
mixed.append('grassdb')
self.mixed = False
if len(set(mixed)) > 1:
self.mixed = True
def OnSelChanged(self, event):
self.selected_layer = None
def OnRightClick(self, node):
"""Display popup menu."""
self.DefineItems(self.GetSelected())
if self.mixed:
self._popupMenuEmpty()
return
if not self.selected_layer:
self._popupMenuEmpty()
elif self.selected_layer[0]:
self._popupMenuLayer()
elif self.selected_mapset[0] and len(self.selected_mapset) == 1:
self._popupMenuMapset()
elif self.selected_location[0] and not self.selected_mapset[0] and len(self.selected_location) == 1:
self._popupMenuLocation()
elif self.selected_grassdb[0] and not self.selected_location[0] and len(self.selected_grassdb) == 1:
self._popupMenuGrassDb()
elif len(self.selected_location) > 1 and not self.selected_mapset[0]:
self._popupMenuMultipleLocations()
elif len(self.selected_mapset) > 1:
self._popupMenuMultipleMapsets()
else:
self._popupMenuEmpty()
def OnDoubleClick(self, node):
"""Double click on item/node.
Display selected layer if node is a map layer otherwise
expand/collapse node.
"""
if not isinstance(self._giface, StandaloneGrassInterface):
self.DefineItems([node])
selected_layer = self.selected_layer[0]
selected_mapset = self.selected_mapset[0]
selected_loc = self.selected_location[0]
if selected_layer is not None:
genv = gisenv()
# Check if the layer is in different location
if selected_loc.data['name'] != genv['LOCATION_NAME']:
dlg = wx.MessageDialog(
parent=self,
message=_(
"Map <{0}@{1}> is not in the current location"
" and therefore cannot be displayed."
"\n\n"
"To display this map switch to mapset <{1}> first."
).format(selected_layer.data['name'],
selected_mapset.data['name']),
caption=_("Unable to display the map"),
style=wx.OK | wx.ICON_WARNING
)
dlg.ShowModal()
dlg.Destroy()
else:
self.DisplayLayer()
return
# expand/collapse location/mapset...
if self.IsNodeExpanded(node):
self.CollapseNode(node, recursive=False)
else:
self.ExpandNode(node, recursive=False)
def ExpandCurrentLocation(self):
"""Expand current location"""
location = gscript.gisenv()['LOCATION_NAME']
item = self._model.SearchNodes(name=location, type='location')
if item:
self.Select(item[0], select=True)
self.ExpandNode(item[0], recursive=False)
else:
Debug.msg(1, "Location <%s> not found" % location)
def GetCurrentDbLocationMapsetNode(self):
"""Get current mapset node"""
genv = gisenv()
gisdbase = genv['GISDBASE']
location = genv['LOCATION_NAME']
mapset = genv['MAPSET']
grassdbItem = self._model.SearchNodes(
name=gisdbase, type='grassdb')
if not grassdbItem:
return None, None, None
locationItem = self._model.SearchNodes(
parent=grassdbItem[0],
name=location, type='location')
if not locationItem:
return grassdbItem[0], None, None
mapsetItem = self._model.SearchNodes(
parent=locationItem[0],
name=mapset,
type='mapset')
if not mapsetItem:
return grassdbItem[0], locationItem[0], None
return grassdbItem[0], locationItem[0], mapsetItem[0]
def OnGetItemImage(self, index, which=wx.TreeItemIcon_Normal, column=0):
"""Overriden method to return image for each item."""
node = self._model.GetNodeByIndex(index)
try:
return self._iconTypes.index(node.data['type'])
except ValueError:
return 0
def OnGetItemTextColour(self, index):
"""Overriden method to return colour for each item.
Used to distinquish lock and ownership on mapsets."""
node = self._model.GetNodeByIndex(index)
if node.data['type'] == 'mapset':
if node.data['current']:
return wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT)
elif node.data['lock'] or node.data['is_different_owner']:
return wx.SystemSettings.GetColour(wx.SYS_COLOUR_GRAYTEXT)
return wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT)
def OnGetItemFont(self, index):
"""Overriden method to return font for each item.
Used to highlight current db/loc/mapset."""
node = self._model.GetNodeByIndex(index)
font = self.GetFont()
if node.data['type'] in ('grassdb', 'location', 'mapset'):
if node in (self.current_grassdb_node, self.current_location_node, self.current_mapset_node):
font.SetWeight(wx.FONTWEIGHT_BOLD)
else:
font.SetWeight(wx.FONTWEIGHT_NORMAL)
return font
def ExpandCurrentMapset(self):
"""Expand current mapset"""
if self.current_mapset_node:
self.Select(self.current_mapset_node, select=True)
self.ExpandNode(self.current_mapset_node, recursive=True)
def SetRestriction(self, restrict):
self._restricted = restrict
def _runCommand(self, prog, **kwargs):
cmdString = ' '.join(gscript.make_command(prog, **kwargs))
ret = RunCommand(prog, parent=self, **kwargs)
return ret, cmdString
def OnMoveMap(self, event):
"""Move layer or mapset (just save it temporarily, copying is done by paste)"""
self.copy_mode = False
self.copy_layer = self.selected_layer[:]
self.copy_mapset = self.selected_mapset[:]
self.copy_location = self.selected_location[:]
self.copy_grassdb = self.selected_grassdb[:]
if len(self.copy_layer) > 1:
label = _("{c} maps marked for moving.").format(c=len(self.selected_layer))
else:
label = _("Map <{layer}> marked for moving.").format(layer=self.copy_layer[0].data['name'])
self.showNotification.emit(message=label)
def OnCopyMap(self, event):
"""Copy layer or mapset (just save it temporarily, copying is done by paste)"""
self.copy_mode = True
self.copy_layer = self.selected_layer[:]
self.copy_mapset = self.selected_mapset[:]
self.copy_location = self.selected_location[:]
self.copy_grassdb = self.selected_grassdb[:]
if len(self.copy_layer) > 1:
label = _("{c} maps marked for copying.").format(c=len(self.selected_layer))
else:
label = _("Map <{layer}> marked for copying.").format(layer=self.copy_layer[0].data['name'])
self.showNotification.emit(message=label)
def OnRenameMap(self, event):
"""Rename layer with dialog"""
old_name = self.selected_layer[0].data['name']
gisrc, env = gscript.create_environment(
self.selected_grassdb[0].data['name'],
self.selected_location[0].data['name'],
self.selected_mapset[0].data['name'])
new_name = self._getNewMapName(
_('New name'),
_('Rename map'),
old_name,
env=env,
mapset=self.selected_mapset[0].data['name'],
element=self.selected_layer[0].data['type'])
if new_name:
self.Rename(old_name, new_name)
def CreateMapset(self, grassdb_node, location_node):
"""Creates new mapset interactively and adds it to the tree."""
mapset = create_mapset_interactively(self, grassdb_node.data['name'],
location_node.data['name'])
if mapset:
self.InsertMapset(name=mapset,
location_node=location_node)
def OnCreateMapset(self, event):
"""Create new mapset"""
self.CreateMapset(self.selected_grassdb[0], self.selected_location[0])
def CreateLocation(self, grassdb_node):
"""
Creates new location interactively and adds it to the tree.
"""
grassdatabase, location, mapset = (
create_location_interactively(self, grassdb_node.data['name'])
)
if location:
grassdb_nodes = self._model.SearchNodes(name=grassdatabase, type='grassdb')
if not grassdb_nodes:
grassdb_node = self.InsertGrassDb(name=grassdatabase)
self.InsertLocation(location, grassdb_node)
def OnCreateLocation(self, event):
"""Create new location"""
self.CreateLocation(self.selected_grassdb[0])
def OnRenameMapset(self, event):
"""
Rename selected mapset
"""
newmapset = rename_mapset_interactively(
self,
self.selected_grassdb[0].data['name'],
self.selected_location[0].data['name'],
self.selected_mapset[0].data['name'])
if newmapset:
self._renameNode(self.selected_mapset[0], newmapset)
def OnRenameLocation(self, event):
"""
Rename selected location
"""
newlocation = rename_location_interactively(
self,
self.selected_grassdb[0].data['name'],
self.selected_location[0].data['name'])
if newlocation:
self._renameNode(self.selected_location[0], newlocation)
def OnStartEditLabel(self, node, event):
"""Start label editing"""
self.DefineItems([node])
# TODO: add renaming mapset/location
if not self.selected_layer[0]:
event.Veto()
return
Debug.msg(1, "Start label edit {name}".format(name=node.data['name']))
label = _("Editing {name}").format(name=node.data['name'])
self.showNotification.emit(message=label)
def OnEditLabel(self, node, event):
"""End label editing"""
if self.selected_layer and not event.IsEditCancelled():
old_name = node.data['name']
Debug.msg(1, "End label edit {name}".format(name=old_name))
new_name = event.GetLabel()
self.Rename(old_name, new_name)
def Rename(self, old, new):
"""Rename layer"""
string = old + ',' + new
gisrc, env = gscript.create_environment(
self.selected_grassdb[0].data['name'],
self.selected_location[0].data['name'],
self.selected_mapset[0].data['name'])
label = _("Renaming map <{name}>...").format(name=string)
self.showNotification.emit(message=label)
if self.selected_layer[0].data['type'] == 'vector':
renamed, cmd = self._runCommand('g.rename', vector=string, env=env)
elif self.selected_layer[0].data['type'] == 'raster':
renamed, cmd = self._runCommand('g.rename', raster=string, env=env)
else:
renamed, cmd = self._runCommand(
'g.rename', raster3d=string, env=env)
if renamed == 0:
self._renameNode(self.selected_layer[0], new)
self.showNotification.emit(
message=_("{cmd} -- completed").format(cmd=cmd))
Debug.msg(1, "LAYER RENAMED TO: " + new)
gscript.try_remove(gisrc)
def OnPasteMap(self, event):
# copying between mapsets of one location
if not self.copy_layer:
if self.copy_mode:
GMessage(_("No map selected for copying."), parent=self)
else:
GMessage(_("No map selected for moving."), parent=self)
return
for i in range(len(self.copy_layer)):
gisrc, env = gscript.create_environment(self.selected_grassdb[0].data['name'],
self.selected_location[0].data['name'],
self.selected_mapset[0].data['name'])
gisrc2, env2 = gscript.create_environment(self.copy_grassdb[i].data['name'],
self.copy_location[i].data['name'],
self.copy_mapset[i].data['name'])
new_name = self.copy_layer[i].data['name']
if self.selected_location[0] == self.copy_location[i]:
# within one mapset
if self.selected_mapset[0] == self.copy_mapset[i]:
# ignore when just moves map
if self.copy_mode is False:
return
new_name = self._getNewMapName(_('New name for <{n}>').format(n=self.copy_layer[i].data['name']),
_('Select new name'),
self.copy_layer[i].data['name'], env=env,
mapset=self.selected_mapset[0].data['name'],
element=self.copy_layer[i].data['type'])
if not new_name:
return
# within one location, different mapsets
else:
if map_exists(new_name, element=self.copy_layer[i].data['type'], env=env,
mapset=self.selected_mapset[0].data['name']):
new_name = self._getNewMapName(_('New name for <{n}>').format(n=self.copy_layer[i].data['name']),
_('Select new name'),
self.copy_layer[i].data['name'], env=env,
mapset=self.selected_mapset[0].data['name'],
element=self.copy_layer[i].data['type'])
if not new_name:
return
string = self.copy_layer[i].data['name'] + '@' + self.copy_mapset[i].data['name'] + ',' + new_name
pasted = 0
if self.copy_mode:
label = _("Copying <{name}>...").format(name=string)
else:
label = _("Moving <{name}>...").format(name=string)
self.showNotification.emit(message=label)
if self.copy_layer[i].data['type'] == 'vector':
pasted, cmd = self._runCommand('g.copy', vector=string, env=env)
node = 'vector'
elif self.copy_layer[i].data['type'] == 'raster':
pasted, cmd = self._runCommand('g.copy', raster=string, env=env)
node = 'raster'
else:
pasted, cmd = self._runCommand('g.copy', raster_3d=string, env=env)
node = 'raster_3d'
if pasted == 0:
self.InsertLayer(name=new_name, mapset_node=self.selected_mapset[0],
element_name=node)
Debug.msg(1, "COPIED TO: " + new_name)
if self.copy_mode:
self.showNotification.emit(message=_("g.copy completed"))
else:
self.showNotification.emit(message=_("g.copy completed"))
# remove old
if not self.copy_mode:
self._removeMapAfterCopy(self.copy_layer[i], self.copy_mapset[i], env2)
gscript.try_remove(gisrc)
gscript.try_remove(gisrc2)
# expand selected mapset
else:
if self.copy_layer[i].data['type'] == 'raster_3d':
GError(_("Reprojection is not implemented for 3D rasters"), parent=self)
return
if map_exists(new_name, element=self.copy_layer[i].data['type'], env=env,
mapset=self.selected_mapset[0].data['name']):
new_name = self._getNewMapName(_('New name'), _('Select new name'),
self.copy_layer[i].data['name'], env=env,
mapset=self.selected_mapset[0].data['name'],
element=self.copy_layer[i].data['type'])
if not new_name:
continue
callback = lambda gisrc2=gisrc2, gisrc=gisrc, cLayer=self.copy_layer[i], \
cMapset=self.copy_mapset[i], cMode=self.copy_mode, name=new_name: \
self._onDoneReprojection(env2, gisrc2, gisrc, cLayer, cMapset, cMode, name)
dlg = CatalogReprojectionDialog(self, self._giface,
self.copy_grassdb[i].data['name'],
self.copy_location[i].data['name'],
self.copy_mapset[i].data['name'],
self.copy_layer[i].data['name'],
env2,
self.selected_grassdb[0].data['name'],
self.selected_location[0].data['name'],
self.selected_mapset[0].data['name'],
new_name,
self.copy_layer[i].data['type'],
env, callback)
if dlg.ShowModal() == wx.ID_CANCEL:
return
self.ExpandNode(self.selected_mapset[0], recursive=True)
self._resetCopyVariables()
def _onDoneReprojection(self, iEnv, iGisrc, oGisrc, cLayer, cMapset, cMode, name):