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import os
import shutil
from ranger.shared import EnvironmentAware, SettingsAware
from ranger import fsobject
class Actions(EnvironmentAware, SettingsAware):
def search_forward(self):
"""Search forward for the regexp in self.env.last_search"""
if self.env.pwd:
if self.env.pwd.search(self.env.last_search):
self.env.cf = self.env.pwd.pointed_file
def search_backward(self):
"""Search backward for the regexp in self.env.last_search"""
if self.env.pwd:
if self.env.pwd.search(self.env.last_search, -1):
self.env.cf = self.env.pwd.pointed_file
def interrupt(self):
"""Waits a short time.
If CTRL+C is pressed while waiting, the program will be exited"""
import time
self.env.key_clear()
try:
time.sleep(0.2)
except KeyboardInterrupt:
raise SystemExit()
def resize(self):
"""Update the size of the UI"""
self.ui.update_size()
def exit(self):
"""Exit the program"""
raise SystemExit()
def enter_dir(self, path):
"""Enter the directory at the given path"""
return self.env.enter_dir(path)
def enter_bookmark(self, key):
"""Enter the bookmark with the name <key>"""
from ranger.container.bookmarks import NonexistantBookmark
try:
destination = self.bookmarks[key]
pwd = self.env.pwd
if destination.path != pwd.path:
self.bookmarks.enter(key)
self.bookmarks.remember(pwd)
except NonexistantBookmark:
pass
def set_bookmark(self, key):
"""Set the bookmark with the name <key> to the current directory"""
self.bookmarks[key] = self.env.pwd
def unset_bookmark(self, key):
"""Delete the bookmark with the name <key>"""
self.bookmarks.delete(key)
def move_left(self):
"""Enter the parent directory"""
self.env.enter_dir('..')
def move_right(self, mode = 0):
"""Enter the current directory or execute the current file"""
cf = self.env.cf
if not self.env.enter_dir(cf):
if cf is not None:
if not self.execute_file(cf, mode = mode):
self.open_console('@')
def history_go(self, relative):
"""Move back and forth in the history"""
self.env.history_go(relative)
def handle_mouse(self):
"""Handle mouse-buttons if one was pressed"""
self.ui.handle_mouse()
def execute_file(self, files, app = '', flags = '', mode = 0):
"""Execute a file.
app is the name of a method in Applications, without the "app_"
flags is a string consisting of applications.ALLOWED_FLAGS
mode is a positive integer.
Both flags and mode specify how the program is run."""
if type(files) not in (list, tuple):
files = [files]
return self.apps.get(app)(
mainfile = files[0],
files = files,
flags = flags,
mode = mode,
fm = self,
stdin = None,
apps = self.apps)
def edit_file(self):
"""Calls execute_file with the current file and app='editor'"""
if self.env.cf is None:
return
self.execute_file(self.env.cf, app = 'editor')
def open_console(self, mode=':', string=''):
"""Open the console if the current UI supports that"""
if hasattr(self.ui, 'open_console'):
self.ui.open_console(mode, string)
def move_pointer(self, relative = 0, absolute = None):
"""Move the pointer down by <relative> or to <absolute>"""
self.env.cf = self.env.pwd.move_pointer(relative, absolute)
def move_pointer_by_pages(self, relative):
"""Move the pointer down by <relative> pages"""
self.env.cf = self.env.pwd.move_pointer(
relative = int(relative * self.env.termsize[0]))
def move_pointer_by_percentage(self, relative=0, absolute=None):
"""Move the pointer down by <relative>% or to <absolute>%"""
try:
factor = len(self.env.pwd) / 100.0
except:
return
self.env.cf = self.env.pwd.move_pointer( \
relative=int(relative * factor), \
absolute=int(absolute * factor) )
def scroll(self, relative):
"""Scroll down by <relative> lines"""
if hasattr(self.ui, 'scroll'):
self.ui.scroll(relative)
self.env.cf = self.env.pwd.pointed_file
def redraw_window(self):
"""Redraw the window"""
self.ui.redraw_window()
def reset(self):
"""Reset the filemanager, clearing the directory buffer"""
old_path = self.env.pwd.path
self.env.directories = {}
self.enter_dir(old_path)
def toggle_boolean_option(self, string):
"""Toggle a boolean option named <string>"""
if isinstance(self.env.settings[string], bool):
self.env.settings[string] ^= True
def force_load_preview(self):
cf = self.env.cf
if cf is not None:
cf.force_load = True
# ------------------------------------ filesystem operations
def copy(self):
"""Copy the selected items"""
selected = set([self.env.cf])
self.env.copy = set(f for f in selected if f in self.env.pwd.files)
self.env.cut = False
def cut(self):
self.copy()
self.env.cut = True
def paste(self):
"""Paste the selected items into the current directory"""
from os.path import join, isdir
copied_files = self.env.copy
if not copied_files:
return
if self.env.cut:
msg = self.notify("Moving ...", duration=0)
self.ui.redraw()
for f in self.env.copy:
try:
shutil.move(f.path, self.env.pwd.path)
except (shutil.Error, IOError) as x:
self.notify(str(x), bad=True)
self.env.copy.clear()
self.env.cut = False
else:
msg = self.notify("Copying ...", duration=0)
self.ui.redraw()
for f in self.env.copy:
if isdir(f.path):
try:
shutil.copytree(f.path, join(self.env.pwd.path, f.basename))
except (shutil.Error, IOError) as x:
self.notify(str(x), bad=True)
else:
try:
shutil.copy(f.path, self.env.pwd.path)
except (shutil.Error, IOError) as x:
self.notify(str(x), bad=True)
msg.delete()
self.env.pwd.load_content()
def delete(self):
msg = self.notify("Deleting ...", duration=0)
selected = set([self.env.cf])
self.env.copy -= selected
if selected:
for f in selected:
if os.path.isdir(f.path):
try:
shutil.rmtree(f.path)
except OSError as err:
self.notify(str(err), bad=True)
else:
try:
os.remove(f.path)
except OSError as err:
self.notify(str(err), bad=True)
msg.delete()
def mkdir(self, name):
try:
os.mkdir(os.path.join(self.env.pwd.path, name))
except OSError as err:
self.notify(str(err), bad=True)
def notify(self, text, duration=4, bad=False):
try:
method = self.ui.display
except AttributeError:
pass
else:
return method(text, duration=duration, bad=bad)
# aliases:
cd = enter_dir
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