diff options
Diffstat (limited to 'ranger/core/tab.py')
| -rw-r--r-- | ranger/core/tab.py | 306 |
1 files changed, 153 insertions, 153 deletions
diff --git a/ranger/core/tab.py b/ranger/core/tab.py index 443b2037..ae9d9073 100644 --- a/ranger/core/tab.py +++ b/ranger/core/tab.py @@ -10,156 +10,156 @@ from ranger.core.shared import FileManagerAware, SettingsAware from ranger.ext.signals import SignalDispatcher 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] - else: - return [] - return set() - - 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 + 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] + else: + return [] + return set() + + 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 |