class Tab(FileManagerAware, SettingsAware): # pylint: disable=too-many-instance-attributes
def __init__(self, path):
self.thisdir = None # Current Working Directory
self._thisfile = None # Current File
self.history = History(self.settings.max_history_size, unique=False)
self.last_search = None
self.pointer = 0
self.path = abspath(expanduser(path))
self.pathway = ()
# NOTE: in the line below, weak=True works only in python3. In python2,
# weak references are not equal to the original object when tested with
# "==", and this breaks _set_thisfile_from_signal and _on_tab_change.
self.fm.signal_bind('move', self._set_thisfile_from_signal,
priority=settings.SIGNAL_PRIORITY_AFTER_SYNC,
weak=(sys.version_info[0] >= 3))
self.fm.signal_bind('tab.change', self._on_tab_change,
weak=(sys.version_info[0] >= 3))
def _set_thisfile_from_signal(self, signal):
if self == signal.tab:
self._thisfile = signal.new
if self == self.fm.thistab:
self.pointer = self.thisdir.pointer
def _on_tab_change(self, signal):
if self == signal.new and self.thisdir:
# restore the pointer whenever this tab is reopened
self.thisdir.pointer = self.pointer
self.thisdir.correct_pointer()
def _set_thisfile(self, value):
if value is not self._thisfile:
previous = self._thisfile
self.fm.signal_emit('move', previous=previous, new=value, tab=self)
def _get_thisfile(self):
return self._thisfile
thisfile = property(_get_thisfile, _set_thisfile)
def at_level(self, level):
"""Returns the FileSystemObject at the given level.
level >0 => previews
level 0 => current file/directory
level <0 => parent directories
"""
if level <= 0:
try:
return self.pathway[level - 1]
except IndexError:
return None
else:
directory = self.thisdir
for _ in range(level):
if directory is None:
return None
if directory.is_directory:
directory = directory.pointed_obj
else:
return None
return directory
def get_selection(self):
if self.thisdir:
if self.thisdir.marked_items:
return self.thisdir.get_selection()
elif self._thisfile:
return [self._thisfile]
return []
def assign_cursor_positions_for_subdirs(self): # pylint: disable=invalid-name
"""Assign correct cursor positions for subdirectories"""
last_path = None
for path in reversed(self.pathway):
if last_path is None:
last_path = path
continue
path.move_to_obj(last_path)
last_path = path
def ensure_correct_pointer(self):
if self.thisdir:
self.thisdir.correct_pointer()
def history_go(self, relative):
"""Move relative in history"""
if self.history:
self.history.move(relative).go(history=False)
def inherit_history(self, other_history):
self.history.rebase(other_history)
def enter_dir(self, path, history=True):
"""Enter given path"""
# TODO: Ensure that there is always a self.thisdir
if path is None:
return None
path = str(path)
# clear filter in the folder we're leaving
if self.fm.settings.clear_filters_on_dir_change and self.thisdir:
self.thisdir.filter = None
self.thisdir.refilter()
previous = self.thisdir
# get the absolute path
path = normpath(join(self.path, expanduser(path)))
selectfile = None
if not isdir(path):
selectfile = path
path = dirname(path)
new_thisdir = self.fm.get_directory(path)
try:
os.chdir(path)
except OSError:
return True
self.path = path
self.thisdir = new_thisdir
self.thisdir.load_content_if_outdated()
# build the pathway, a tuple of directory objects which lie
# on the path to the current directory.
if path == '/':
self.pathway = (self.fm.get_directory('/'), )
else:
pathway = []
currentpath = '/'
for comp in path.split('/'):
currentpath = join(currentpath, comp)
pathway.append(self.fm.get_directory(currentpath))
self.pathway = tuple(pathway)
self.assign_cursor_positions_for_subdirs()
# set the current file.
self.thisdir.sort_directories_first = self.fm.settings.sort_directories_first
self.thisdir.sort_reverse = self.fm.settings.sort_reverse
self.thisdir.sort_if_outdated()
if selectfile:
self.thisdir.move_to_obj(selectfile)
if previous and previous.path != path:
self.thisfile = self.thisdir.pointed_obj
else:
# This avoids setting self.pointer (through the 'move' signal) and
# is required so that you can use enter_dir when switching tabs
# without messing up the pointer.
self._thisfile = self.thisdir.pointed_obj
if history:
self.history.add(new_thisdir)
self.fm.signal_emit('cd', previous=previous, new=self.thisdir)
return True
def __repr__(self):
return "<Tab '%s'>" % self.thisdir
class Tab(FileManagerAware, SettingsAware):
def __init__(self, path):
self.thisdir = None # Current Working Directory
self._thisfile = None # Current File
self.history = History(self.settings.max_history_size, unique=False)
self.last_search = None
self.pointer = 0
self.path = abspath(expanduser(path))
self.pathway = ()
# NOTE: in the line below, weak=True works only in python3. In python2,
# weak references are not equal to the original object when tested with
# "==", and this breaks _set_thisfile_from_signal and _on_tab_change.
self.fm.signal_bind('move', self._set_thisfile_from_signal, priority=0.1,
weak=(sys.version > '3'))
self.fm.signal_bind('tab.change', self._on_tab_change,
weak=(sys.version > '3'))
def _set_thisfile_from_signal(self, signal):
if self == signal.tab:
self._thisfile = signal.new
if self == self.fm.thistab:
self.pointer = self.thisdir.pointer
def _on_tab_change(self, signal):
if self == signal.new and self.thisdir:
# restore the pointer whenever this tab is reopened
self.thisdir.pointer = self.pointer
self.thisdir.correct_pointer()
def _set_thisfile(self, value):
if value is not self._thisfile:
previous = self._thisfile
self.fm.signal_emit('move', previous=previous, new=value, tab=self)
def _get_thisfile(self):
return self._thisfile
thisfile = property(_get_thisfile, _set_thisfile)
def at_level(self, level):
"""Returns the FileSystemObject at the given level.
level >0 => previews
level 0 => current file/directory
level <0 => parent directories
"""
if level <= 0:
try:
return self.pathway[level - 1]
except IndexError:
return None
else:
directory = self.thisdir
for i in range(level):
if directory is None:
return None
if directory.is_directory:
directory = directory.pointed_obj
else:
return None
return directory
def get_selection(self):
if self.thisdir:
if self.thisdir.marked_items:
return self.thisdir.get_selection()
elif self._thisfile:
return [self._thisfile]
return []
def assign_cursor_positions_for_subdirs(self):
"""Assign correct cursor positions for subdirectories"""
last_path = None
for path in reversed(self.pathway):
if last_path is None:
last_path = path
continue
path.move_to_obj(last_path)
last_path = path
def ensure_correct_pointer(self):
if self.thisdir:
self.thisdir.correct_pointer()
def history_go(self, relative):
"""Move relative in history"""
if self.history:
self.history.move(relative).go(history=False)
def inherit_history(self, other_history):
self.history.rebase(other_history)
def enter_dir(self, path, history = True):
"""Enter given path"""
# TODO: Ensure that there is always a self.thisdir
if path is None: return
path = str(path)
previous = self.thisdir
# get the absolute path
path = normpath(join(self.path, expanduser(path)))
if not isdir(path):
return False
new_thisdir = self.fm.get_directory(path)
try:
os.chdir(path)
except:
return True
self.path = path
self.thisdir = new_thisdir
self.thisdir.load_content_if_outdated()
# build the pathway, a tuple of directory objects which lie
# on the path to the current directory.
if path == '/':
self.pathway = (self.fm.get_directory('/'), )
else:
pathway = []
currentpath = '/'
for dir in path.split('/'):
currentpath = join(currentpath, dir)
pathway.append(self.fm.get_directory(currentpath))
self.pathway = tuple(pathway)
self.assign_cursor_positions_for_subdirs()
# set the current file.
self.thisdir.sort_directories_first = self.fm.settings.sort_directories_first
self.thisdir.sort_reverse = self.fm.settings.sort_reverse
self.thisdir.sort_if_outdated()
if previous and previous.path != path:
self.thisfile = self.thisdir.pointed_obj
else:
# This avoids setting self.pointer (through the 'move' signal) and
# is required so that you can use enter_dir when switching tabs
# without messing up the pointer.
self._thisfile = self.thisdir.pointed_obj
if history:
self.history.add(new_thisdir)
self.fm.signal_emit('cd', previous=previous, new=self.thisdir)
return True
def __repr__(self):
return "<Tab '%s'>" % self.thisdir
