File: C:/Users/fred/anaconda3/Lib/site-packages/spyder/plugins/explorer/widgets/explorer.py
# -*- coding: utf-8 -*-
#
# Copyright © Spyder Project Contributors
# Licensed under the terms of the MIT License
# (see spyder/__init__.py for details)
"""Files and Directories Explorer"""
# pylint: disable=C0103
# pylint: disable=R0903
# pylint: disable=R0911
# pylint: disable=R0201
# Standard library imports
import os
import os.path as osp
import re
import shutil
import sys
# Third party imports
from qtpy import PYQT5
from qtpy.compat import getexistingdirectory, getsavefilename
from qtpy.QtCore import QDir, QMimeData, Qt, QTimer, QUrl, Signal, Slot
from qtpy.QtGui import QDrag
from qtpy.QtWidgets import (QApplication, QDialog, QDialogButtonBox,
QFileSystemModel, QInputDialog, QLabel, QLineEdit,
QMessageBox, QProxyStyle, QStyle, QTextEdit,
QToolTip, QTreeView, QVBoxLayout)
# Local imports
from spyder.api.config.decorators import on_conf_change
from spyder.api.translations import _
from spyder.api.widgets.mixins import SpyderWidgetMixin
from spyder.config.base import get_home_dir
from spyder.config.main import NAME_FILTERS
from spyder.plugins.explorer.widgets.utils import (
create_script, fixpath, IconProvider, show_in_external_file_explorer)
from spyder.py3compat import to_binary_string
from spyder.utils import encoding
from spyder.utils.icon_manager import ima
from spyder.utils import misc, programs, vcs
from spyder.utils.misc import getcwd_or_home
from spyder.utils.qthelpers import (
file_uri, keyevent_to_keysequence_str, start_file)
try:
from nbconvert import PythonExporter as nbexporter
except:
nbexporter = None # analysis:ignore
# ---- Constants
# ----------------------------------------------------------------------------
class DirViewColumns:
Size = 1
Type = 2
Date = 3
class DirViewOpenWithSubMenuSections:
Main = 'Main'
class DirViewActions:
# Toggles
ToggleDateColumn = 'toggle_date_column_action'
ToggleSingleClick = 'toggle_single_click_to_open_action'
ToggleSizeColumn = 'toggle_size_column_action'
ToggleTypeColumn = 'toggle_type_column_action'
ToggleHiddenFiles = 'toggle_show_hidden_action'
# Triggers
EditNameFilters = 'edit_name_filters_action'
NewFile = 'new_file_action'
NewModule = 'new_module_action'
NewFolder = 'new_folder_action'
NewPackage = 'new_package_action'
OpenWithSpyder = 'open_with_spyder_action'
OpenWithSystem = 'open_with_system_action'
OpenWithSystem2 = 'open_with_system_2_action'
Delete = 'delete_action'
Rename = 'rename_action'
Move = 'move_action'
Copy = 'copy file'
Paste = 'paste file'
CopyAbsolutePath = 'copy absolute path'
CopyRelativePath = 'copy relative path'
ShowInSystemExplorer = 'show_system_explorer_action'
VersionControlCommit = 'version_control_commit_action'
VersionControlBrowse = 'version_control_browse_action'
ConvertNotebook = 'convert_notebook_action'
# TODO: Move this to the IPython Console
OpenInterpreter = 'open_interpreter_action'
Run = 'run_action'
class DirViewMenus:
Context = 'context_menu'
Header = 'header_menu'
New = 'new_menu'
OpenWith = 'open_with_menu'
class DirViewHeaderMenuSections:
Main = 'main_section'
class DirViewNewSubMenuSections:
General = 'general_section'
Language = 'language_section'
class DirViewContextMenuSections:
CopyPaste = 'copy_paste_section'
Extras = 'extras_section'
New = 'new_section'
System = 'system_section'
VersionControl = 'version_control_section'
class ExplorerTreeWidgetActions:
# Toggles
ToggleFilter = 'toggle_filter_files_action'
# Triggers
Next = 'next_action'
Parent = 'parent_action'
Previous = 'previous_action'
# ---- Styles
# ----------------------------------------------------------------------------
class DirViewStyle(QProxyStyle):
def styleHint(self, hint, option=None, widget=None, return_data=None):
"""
To show tooltips with longer delays.
From https://stackoverflow.com/a/59059919/438386
"""
if hint == QStyle.SH_ToolTip_WakeUpDelay:
return 1000 # 1 sec
elif hint == QStyle.SH_ToolTip_FallAsleepDelay:
# This removes some flickering when showing tooltips
return 0
return super().styleHint(hint, option, widget, return_data)
# ---- Widgets
# ----------------------------------------------------------------------------
class DirView(QTreeView, SpyderWidgetMixin):
"""Base file/directory tree view."""
# Signals
sig_file_created = Signal(str)
"""
This signal is emitted when a file is created
Parameters
----------
module: str
Path to the created file.
"""
sig_open_interpreter_requested = Signal(str)
"""
This signal is emitted when the interpreter opened is requested
Parameters
----------
module: str
Path to use as working directory of interpreter.
"""
sig_module_created = Signal(str)
"""
This signal is emitted when a new python module is created.
Parameters
----------
module: str
Path to the new module created.
"""
sig_redirect_stdio_requested = Signal(bool)
"""
This signal is emitted when redirect stdio is requested.
Parameters
----------
enable: bool
Enable/Disable standard input/output redirection.
"""
sig_removed = Signal(str)
"""
This signal is emitted when a file is removed.
Parameters
----------
path: str
File path removed.
"""
sig_renamed = Signal(str, str)
"""
This signal is emitted when a file is renamed.
Parameters
----------
old_path: str
Old path for renamed file.
new_path: str
New path for renamed file.
"""
sig_run_requested = Signal(str)
"""
This signal is emitted to request running a file.
Parameters
----------
path: str
File path to run.
"""
sig_tree_removed = Signal(str)
"""
This signal is emitted when a folder is removed.
Parameters
----------
path: str
Folder to remove.
"""
sig_tree_renamed = Signal(str, str)
"""
This signal is emitted when a folder is renamed.
Parameters
----------
old_path: str
Old path for renamed folder.
new_path: str
New path for renamed folder.
"""
sig_open_file_requested = Signal(str)
"""
This signal is emitted to request opening a new file with Spyder.
Parameters
----------
path: str
File path to run.
"""
def __init__(self, parent=None):
"""Initialize the DirView.
Parameters
----------
parent: QWidget
Parent QWidget of the widget.
"""
if PYQT5:
super().__init__(parent=parent, class_parent=parent)
else:
QTreeView.__init__(self, parent)
SpyderWidgetMixin.__init__(self, class_parent=parent)
# Attributes
self._parent = parent
self._last_column = 0
self._last_order = True
self._scrollbar_positions = None
self._to_be_loaded = None
self.__expanded_state = None
self.common_actions = None
self.filter_on = False
self.expanded_or_colapsed_by_mouse = False
# Widgets
self.fsmodel = None
self.menu = None
self.header_menu = None
header = self.header()
# Signals
header.customContextMenuRequested.connect(self.show_header_menu)
# Style adjustments
self._style = DirViewStyle(None)
self._style.setParent(self)
self.setStyle(self._style)
# Setup
self.setup_fs_model()
self.setSelectionMode(self.ExtendedSelection)
header.setContextMenuPolicy(Qt.CustomContextMenu)
# Track mouse movements. This activates the mouseMoveEvent declared
# below.
self.setMouseTracking(True)
# ---- SpyderWidgetMixin API
# ------------------------------------------------------------------------
def setup(self):
self.setup_view()
# New actions
new_file_action = self.create_action(
DirViewActions.NewFile,
text=_("File..."),
icon=self.create_icon('TextFileIcon'),
triggered=self.new_file,
)
new_module_action = self.create_action(
DirViewActions.NewModule,
text=_("Python file..."),
icon=self.create_icon('python'),
triggered=self.new_module,
)
new_folder_action = self.create_action(
DirViewActions.NewFolder,
text=_("Folder..."),
icon=self.create_icon('folder_new'),
triggered=self.new_folder,
)
new_package_action = self.create_action(
DirViewActions.NewPackage,
text=_("Python Package..."),
icon=self.create_icon('package_new'),
triggered=self.new_package,
)
# Open actions
self.open_with_spyder_action = self.create_action(
DirViewActions.OpenWithSpyder,
text=_("Open in Spyder"),
icon=self.create_icon('edit'),
triggered=self.open,
)
self.open_external_action = self.create_action(
DirViewActions.OpenWithSystem,
text=_("Open externally"),
triggered=self.open_external,
)
self.open_external_action_2 = self.create_action(
DirViewActions.OpenWithSystem2,
text=_("Default external application"),
triggered=self.open_external,
register_shortcut=False,
)
# File management actions
delete_action = self.create_action(
DirViewActions.Delete,
text=_("Delete..."),
icon=self.create_icon('editdelete'),
triggered=self.delete,
)
rename_action = self.create_action(
DirViewActions.Rename,
text=_("Rename..."),
icon=self.create_icon('rename'),
triggered=self.rename,
)
self.move_action = self.create_action(
DirViewActions.Move,
text=_("Move..."),
icon=self.create_icon('move'),
triggered=self.move,
)
# Copy/Paste actions
self.copy_action = self.create_action(
DirViewActions.Copy,
text=_("Copy"),
icon=self.create_icon('editcopy'),
triggered=self.copy_file_clipboard,
register_shortcut=True
)
self.paste_action = self.create_action(
DirViewActions.Paste,
text=_("Paste"),
icon=self.create_icon('editpaste'),
triggered=self.save_file_clipboard,
register_shortcut=True,
)
self.copy_absolute_path_action = self.create_action(
DirViewActions.CopyAbsolutePath,
text=_("Copy Absolute Path"),
triggered=self.copy_absolute_path,
register_shortcut=True,
)
self.copy_relative_path_action = self.create_action(
DirViewActions.CopyRelativePath,
text=_("Copy Relative Path"),
triggered=self.copy_relative_path,
register_shortcut=True
)
# Show actions
if sys.platform == 'darwin':
show_in_finder_text = _("Show in Finder")
else:
show_in_finder_text = _("Show in Folder")
show_in_system_explorer_action = self.create_action(
DirViewActions.ShowInSystemExplorer,
text=show_in_finder_text,
triggered=self.show_in_external_file_explorer,
)
# Version control actions
self.vcs_commit_action = self.create_action(
DirViewActions.VersionControlCommit,
text=_("Commit"),
icon=self.create_icon('vcs_commit'),
triggered=lambda: self.vcs_command('commit'),
)
self.vcs_log_action = self.create_action(
DirViewActions.VersionControlBrowse,
text=_("Browse repository"),
icon=self.create_icon('vcs_browse'),
triggered=lambda: self.vcs_command('browse'),
)
# Common actions
self.hidden_action = self.create_action(
DirViewActions.ToggleHiddenFiles,
text=_("Show hidden files"),
toggled=True,
initial=self.get_conf('show_hidden'),
option='show_hidden'
)
self.filters_action = self.create_action(
DirViewActions.EditNameFilters,
text=_("Edit filter settings..."),
icon=self.create_icon('filter'),
triggered=self.edit_filter,
)
self.create_action(
DirViewActions.ToggleSingleClick,
text=_("Single click to open"),
toggled=True,
initial=self.get_conf('single_click_to_open'),
option='single_click_to_open'
)
# IPython console actions
# TODO: Move this option to the ipython console setup
self.open_interpreter_action = self.create_action(
DirViewActions.OpenInterpreter,
text=_("Open IPython console here"),
icon=self.create_icon('ipython_console'),
triggered=self.open_interpreter,
)
# TODO: Move this option to the ipython console setup
run_action = self.create_action(
DirViewActions.Run,
text=_("Run"),
icon=self.create_icon('run'),
triggered=self.run,
)
# Notebook Actions
ipynb_convert_action = self.create_action(
DirViewActions.ConvertNotebook,
_("Convert to Python file"),
icon=ima.icon('python'),
triggered=self.convert_notebooks
)
# Header Actions
size_column_action = self.create_action(
DirViewActions.ToggleSizeColumn,
text=_('Size'),
toggled=True,
initial=self.get_conf('size_column'),
register_shortcut=False,
option='size_column'
)
type_column_action = self.create_action(
DirViewActions.ToggleTypeColumn,
text=_('Type') if sys.platform == 'darwin' else _('Type'),
toggled=True,
initial=self.get_conf('type_column'),
register_shortcut=False,
option='type_column'
)
date_column_action = self.create_action(
DirViewActions.ToggleDateColumn,
text=_("Date modified"),
toggled=True,
initial=self.get_conf('date_column'),
register_shortcut=False,
option='date_column'
)
# Header Context Menu
self.header_menu = self.create_menu(DirViewMenus.Header)
for item in [size_column_action, type_column_action,
date_column_action]:
self.add_item_to_menu(
item,
menu=self.header_menu,
section=DirViewHeaderMenuSections.Main,
)
# New submenu
new_submenu = self.create_menu(
DirViewMenus.New,
_('New'),
)
for item in [new_file_action, new_folder_action]:
self.add_item_to_menu(
item,
menu=new_submenu,
section=DirViewNewSubMenuSections.General,
)
for item in [new_module_action, new_package_action]:
self.add_item_to_menu(
item,
menu=new_submenu,
section=DirViewNewSubMenuSections.Language,
)
# Open with submenu
self.open_with_submenu = self.create_menu(
DirViewMenus.OpenWith,
_('Open with'),
)
# Context submenu
self.context_menu = self.create_menu(DirViewMenus.Context)
for item in [new_submenu, run_action,
self.open_with_spyder_action,
self.open_with_submenu,
self.open_external_action,
delete_action, rename_action, self.move_action]:
self.add_item_to_menu(
item,
menu=self.context_menu,
section=DirViewContextMenuSections.New,
)
# Copy/Paste section
for item in [self.copy_action, self.paste_action,
self.copy_absolute_path_action,
self.copy_relative_path_action]:
self.add_item_to_menu(
item,
menu=self.context_menu,
section=DirViewContextMenuSections.CopyPaste,
)
self.add_item_to_menu(
show_in_system_explorer_action,
menu=self.context_menu,
section=DirViewContextMenuSections.System,
)
# Version control section
for item in [self.vcs_commit_action, self.vcs_log_action]:
self.add_item_to_menu(
item,
menu=self.context_menu,
section=DirViewContextMenuSections.VersionControl
)
for item in [self.open_interpreter_action, ipynb_convert_action]:
self.add_item_to_menu(
item,
menu=self.context_menu,
section=DirViewContextMenuSections.Extras,
)
# Signals
self.context_menu.aboutToShow.connect(self.update_actions)
@on_conf_change(option=['size_column', 'type_column', 'date_column',
'name_filters', 'show_hidden',
'single_click_to_open'])
def on_conf_update(self, option, value):
if option == 'size_column':
self.setColumnHidden(DirViewColumns.Size, not value)
elif option == 'type_column':
self.setColumnHidden(DirViewColumns.Type, not value)
elif option == 'date_column':
self.setColumnHidden(DirViewColumns.Date, not value)
elif option == 'name_filters':
if self.filter_on:
self.filter_files(value)
elif option == 'show_hidden':
self.set_show_hidden(value)
elif option == 'single_click_to_open':
self.set_single_click_to_open(value)
def update_actions(self):
fnames = self.get_selected_filenames()
if fnames:
if osp.isdir(fnames[0]):
dirname = fnames[0]
else:
dirname = osp.dirname(fnames[0])
basedir = fixpath(osp.dirname(fnames[0]))
only_dirs = fnames and all([osp.isdir(fname) for fname in fnames])
only_files = all([osp.isfile(fname) for fname in fnames])
only_valid = all([encoding.is_text_file(fna) for fna in fnames])
else:
only_files = False
only_valid = False
only_dirs = False
dirname = ''
basedir = ''
vcs_visible = vcs.is_vcs_repository(dirname)
# Make actions visible conditionally
self.move_action.setVisible(
all([fixpath(osp.dirname(fname)) == basedir for fname in fnames]))
self.open_external_action.setVisible(False)
self.open_interpreter_action.setVisible(only_dirs)
self.open_with_spyder_action.setVisible(only_files and only_valid)
self.open_with_submenu.menuAction().setVisible(False)
clipboard = QApplication.clipboard()
has_urls = clipboard.mimeData().hasUrls()
self.paste_action.setDisabled(not has_urls)
# VCS support is quite limited for now, so we are enabling the VCS
# related actions only when a single file/folder is selected:
self.vcs_commit_action.setVisible(vcs_visible)
self.vcs_log_action.setVisible(vcs_visible)
if only_files:
if len(fnames) == 1:
assoc = self.get_file_associations(fnames[0])
elif len(fnames) > 1:
assoc = self.get_common_file_associations(fnames)
if len(assoc) >= 1:
actions = self._create_file_associations_actions()
self.open_with_submenu.menuAction().setVisible(True)
self.open_with_submenu.clear_actions()
for action in actions:
self.add_item_to_menu(
action,
menu=self.open_with_submenu,
section=DirViewOpenWithSubMenuSections.Main,
)
else:
self.open_external_action.setVisible(True)
fnames = self.get_selected_filenames()
only_notebooks = all([osp.splitext(fname)[1] == '.ipynb'
for fname in fnames])
only_modules = all([osp.splitext(fname)[1] in ('.py', '.pyw', '.ipy')
for fname in fnames])
nb_visible = only_notebooks and nbexporter is not None
self.get_action(DirViewActions.ConvertNotebook).setVisible(nb_visible)
self.get_action(DirViewActions.Run).setVisible(only_modules)
def _create_file_associations_actions(self, fnames=None):
"""
Create file association actions.
"""
if fnames is None:
fnames = self.get_selected_filenames()
actions = []
only_files = all([osp.isfile(fname) for fname in fnames])
if only_files:
if len(fnames) == 1:
assoc = self.get_file_associations(fnames[0])
elif len(fnames) > 1:
assoc = self.get_common_file_associations(fnames)
if len(assoc) >= 1:
for app_name, fpath in assoc:
text = app_name
if not (os.path.isfile(fpath) or os.path.isdir(fpath)):
text += _(' (Application not found!)')
try:
# Action might have been created already
open_assoc = self.open_association
open_with_action = self.create_action(
app_name,
text=text,
triggered=lambda x, y=fpath: open_assoc(y),
register_shortcut=False,
)
except Exception:
open_with_action = self.get_action(app_name)
# Disconnect previous signal in case the app path
# changed
try:
open_with_action.triggered.disconnect()
except Exception:
pass
# Reconnect the trigger signal
open_with_action.triggered.connect(
lambda x, y=fpath: self.open_association(y)
)
if not (os.path.isfile(fpath) or os.path.isdir(fpath)):
open_with_action.setDisabled(True)
actions.append(open_with_action)
actions.append(self.open_external_action_2)
return actions
# ---- Qt overrides
# ------------------------------------------------------------------------
def sortByColumn(self, column, order=Qt.AscendingOrder):
"""Override Qt method."""
header = self.header()
header.setSortIndicatorShown(True)
QTreeView.sortByColumn(self, column, order)
header.setSortIndicator(0, order)
self._last_column = column
self._last_order = not self._last_order
def viewportEvent(self, event):
"""Reimplement Qt method"""
# Prevent Qt from crashing or showing warnings like:
# "QSortFilterProxyModel: index from wrong model passed to
# mapFromSource", probably due to the fact that the file system model
# is being built. See spyder-ide/spyder#1250.
#
# This workaround was inspired by the following KDE bug:
# https://bugs.kde.org/show_bug.cgi?id=172198
#
# Apparently, this is a bug from Qt itself.
self.executeDelayedItemsLayout()
return QTreeView.viewportEvent(self, event)
def contextMenuEvent(self, event):
"""Override Qt method"""
# Needed to handle not initialized menu.
# See spyder-ide/spyder#6975
try:
fnames = self.get_selected_filenames()
if len(fnames) != 0:
self.context_menu.popup(event.globalPos())
except AttributeError:
pass
def keyPressEvent(self, event):
"""Handle keyboard shortcuts and special keys."""
key_seq = keyevent_to_keysequence_str(event)
if event.key() in (Qt.Key_Enter, Qt.Key_Return):
self.clicked()
elif event.key() == Qt.Key_F2:
self.rename()
elif event.key() == Qt.Key_Delete:
self.delete()
elif event.key() == Qt.Key_Backspace:
self.go_to_parent_directory()
elif key_seq == self.copy_action.shortcut().toString():
self.copy_file_clipboard()
elif key_seq == self.paste_action.shortcut().toString():
self.save_file_clipboard()
elif key_seq == self.copy_absolute_path_action.shortcut().toString():
self.copy_absolute_path()
elif key_seq == self.copy_relative_path_action.shortcut().toString():
self.copy_relative_path()
else:
QTreeView.keyPressEvent(self, event)
def mouseDoubleClickEvent(self, event):
"""Handle double clicks."""
super().mouseDoubleClickEvent(event)
if not self.get_conf('single_click_to_open'):
self.clicked(index=self.indexAt(event.pos()))
def mousePressEvent(self, event):
"""
Detect when a directory was expanded or collapsed by clicking
on its arrow.
Taken from https://stackoverflow.com/a/13142586/438386
"""
clicked_index = self.indexAt(event.pos())
if clicked_index.isValid():
vrect = self.visualRect(clicked_index)
item_identation = vrect.x() - self.visualRect(self.rootIndex()).x()
if event.pos().x() < item_identation:
self.expanded_or_colapsed_by_mouse = True
else:
self.expanded_or_colapsed_by_mouse = False
super().mousePressEvent(event)
def mouseReleaseEvent(self, event):
"""Handle single clicks."""
super().mouseReleaseEvent(event)
if self.get_conf('single_click_to_open'):
self.clicked(index=self.indexAt(event.pos()))
def mouseMoveEvent(self, event):
"""Actions to take with mouse movements."""
# To hide previous tooltip
QToolTip.hideText()
index = self.indexAt(event.pos())
if index.isValid():
if self.get_conf('single_click_to_open'):
vrect = self.visualRect(index)
item_identation = (
vrect.x() - self.visualRect(self.rootIndex()).x()
)
if event.pos().x() > item_identation:
# When hovering over directories or files
self.setCursor(Qt.PointingHandCursor)
else:
# On every other element
self.setCursor(Qt.ArrowCursor)
self.setToolTip(self.get_filename(index))
super().mouseMoveEvent(event)
def dragEnterEvent(self, event):
"""Drag and Drop - Enter event"""
event.setAccepted(event.mimeData().hasFormat("text/plain"))
def dragMoveEvent(self, event):
"""Drag and Drop - Move event"""
if (event.mimeData().hasFormat("text/plain")):
event.setDropAction(Qt.MoveAction)
event.accept()
else:
event.ignore()
def startDrag(self, dropActions):
"""Reimplement Qt Method - handle drag event"""
data = QMimeData()
data.setUrls([QUrl(fname) for fname in self.get_selected_filenames()])
drag = QDrag(self)
drag.setMimeData(data)
drag.exec_()
# ---- Model
# ------------------------------------------------------------------------
def setup_fs_model(self):
"""Setup filesystem model"""
self.fsmodel = QFileSystemModel(self)
self.fsmodel.setNameFilterDisables(False)
def install_model(self):
"""Install filesystem model"""
self.setModel(self.fsmodel)
def setup_view(self):
"""Setup view"""
self.install_model()
self.fsmodel.directoryLoaded.connect(
lambda: self.resizeColumnToContents(0))
self.setAnimated(False)
self.setSortingEnabled(True)
self.sortByColumn(0, Qt.AscendingOrder)
self.fsmodel.modelReset.connect(self.reset_icon_provider)
self.reset_icon_provider()
# ---- File/Dir Helpers
# ------------------------------------------------------------------------
def get_filename(self, index):
"""Return filename associated with *index*"""
if index:
return osp.normpath(str(self.fsmodel.filePath(index)))
def get_index(self, filename):
"""Return index associated with filename"""
return self.fsmodel.index(filename)
def get_selected_filenames(self):
"""Return selected filenames"""
fnames = []
if self.selectionMode() == self.ExtendedSelection:
if self.selectionModel() is not None:
fnames = [self.get_filename(idx) for idx in
self.selectionModel().selectedRows()]
else:
fnames = [self.get_filename(self.currentIndex())]
return fnames
def get_dirname(self, index):
"""Return dirname associated with *index*"""
fname = self.get_filename(index)
if fname:
if osp.isdir(fname):
return fname
else:
return osp.dirname(fname)
# ---- General actions API
# ------------------------------------------------------------------------
def show_header_menu(self, pos):
"""Display header menu."""
self.header_menu.popup(self.mapToGlobal(pos))
def clicked(self, index=None):
"""
Selected item was single/double-clicked or enter/return was pressed.
"""
fnames = self.get_selected_filenames()
# Don't do anything when clicking on the arrow next to a directory
# to expand/collapse it. If clicking on its name, use it as `fnames`.
if index and index.isValid():
fname = self.get_filename(index)
if osp.isdir(fname):
if self.expanded_or_colapsed_by_mouse:
return
else:
fnames = [fname]
# Open files or directories
for fname in fnames:
if osp.isdir(fname):
self.directory_clicked(fname, index)
else:
if len(fnames) == 1:
assoc = self.get_file_associations(fnames[0])
elif len(fnames) > 1:
assoc = self.get_common_file_associations(fnames)
if assoc:
self.open_association(assoc[0][-1])
else:
self.open([fname])
def directory_clicked(self, dirname, index):
"""
Handle directories being clicked.
Parameters
----------
dirname: str
Path to the clicked directory.
index: QModelIndex
Index of the directory.
"""
raise NotImplementedError('To be implemented by subclasses')
@Slot()
def edit_filter(self):
"""Edit name filters."""
# Create Dialog
dialog = QDialog(self)
dialog.resize(500, 300)
dialog.setWindowTitle(_('Edit filter settings'))
# Create dialog contents
description_label = QLabel(
_('Filter files by name, extension, or more using '
'<a href="https://en.wikipedia.org/wiki/Glob_(programming)">glob'
' patterns.</a> Please enter the glob patterns of the files you '
'want to show, separated by commas.'))
description_label.setOpenExternalLinks(True)
description_label.setWordWrap(True)
filters = QTextEdit(", ".join(self.get_conf('name_filters')),
parent=self)
layout = QVBoxLayout()
layout.addWidget(description_label)
layout.addWidget(filters)
def handle_ok():
filter_text = filters.toPlainText()
filter_text = [f.strip() for f in str(filter_text).split(',')]
self.set_name_filters(filter_text)
dialog.accept()
def handle_reset():
self.set_name_filters(NAME_FILTERS)
filters.setPlainText(", ".join(self.get_conf('name_filters')))
# Dialog buttons
button_box = QDialogButtonBox(QDialogButtonBox.Reset |
QDialogButtonBox.Ok |
QDialogButtonBox.Cancel)
button_box.accepted.connect(handle_ok)
button_box.rejected.connect(dialog.reject)
button_box.button(QDialogButtonBox.Reset).clicked.connect(handle_reset)
layout.addWidget(button_box)
dialog.setLayout(layout)
dialog.show()
@Slot()
def open(self, fnames=None):
"""Open files with the appropriate application"""
if fnames is None:
fnames = self.get_selected_filenames()
for fname in fnames:
if osp.isfile(fname) and encoding.is_text_file(fname):
self.sig_open_file_requested.emit(fname)
else:
self.open_outside_spyder([fname])
@Slot()
def open_association(self, app_path):
"""Open files with given application executable path."""
if not (os.path.isdir(app_path) or os.path.isfile(app_path)):
return_codes = {app_path: 1}
app_path = None
else:
return_codes = {}
if app_path:
fnames = self.get_selected_filenames()
return_codes = programs.open_files_with_application(app_path,
fnames)
self.check_launch_error_codes(return_codes)
@Slot()
def open_external(self, fnames=None):
"""Open files with default application"""
if fnames is None:
fnames = self.get_selected_filenames()
for fname in fnames:
self.open_outside_spyder([fname])
def open_outside_spyder(self, fnames):
"""
Open file outside Spyder with the appropriate application.
If this does not work, opening unknown file in Spyder, as text file.
"""
for path in sorted(fnames):
path = file_uri(path)
ok = start_file(path)
if not ok and encoding.is_text_file(path):
self.sig_open_file_requested.emit(path)
def remove_tree(self, dirname):
"""
Remove whole directory tree
Reimplemented in project explorer widget
"""
while osp.exists(dirname):
try:
shutil.rmtree(dirname, onerror=misc.onerror)
except Exception as e:
# This handles a Windows problem with shutil.rmtree.
# See spyder-ide/spyder#8567.
if type(e).__name__ == "OSError":
error_path = str(e.filename)
shutil.rmtree(error_path, ignore_errors=True)
def delete_file(self, fname, multiple, yes_to_all):
"""Delete file"""
if multiple:
buttons = (QMessageBox.Yes | QMessageBox.YesToAll |
QMessageBox.No | QMessageBox.Cancel)
else:
buttons = QMessageBox.Yes | QMessageBox.No
if yes_to_all is None:
answer = QMessageBox.warning(
self, _("Delete"),
_("Do you really want to delete <b>%s</b>?"
) % osp.basename(fname), buttons)
if answer == QMessageBox.No:
return yes_to_all
elif answer == QMessageBox.Cancel:
return False
elif answer == QMessageBox.YesToAll:
yes_to_all = True
try:
if osp.isfile(fname):
misc.remove_file(fname)
self.sig_removed.emit(fname)
else:
self.remove_tree(fname)
self.sig_tree_removed.emit(fname)
return yes_to_all
except EnvironmentError as error:
action_str = _('delete')
QMessageBox.critical(
self, _("Project Explorer"),
_("<b>Unable to %s <i>%s</i></b><br><br>Error message:<br>%s"
) % (action_str, fname, str(error)))
return False
@Slot()
def delete(self, fnames=None):
"""Delete files"""
if fnames is None:
fnames = self.get_selected_filenames()
multiple = len(fnames) > 1
yes_to_all = None
for fname in fnames:
spyproject_path = osp.join(fname, '.spyproject')
if osp.isdir(fname) and osp.exists(spyproject_path):
QMessageBox.information(
self, _('File Explorer'),
_("The current directory contains a project.<br><br>"
"If you want to delete the project, please go to "
"<b>Projects</b> » <b>Delete Project</b>"))
else:
yes_to_all = self.delete_file(fname, multiple, yes_to_all)
if yes_to_all is not None and not yes_to_all:
# Canceled
break
def rename_file(self, fname):
"""Rename file"""
path, valid = QInputDialog.getText(
self, _('Rename'), _('New name:'), QLineEdit.Normal,
osp.basename(fname))
if valid:
path = osp.join(osp.dirname(fname), str(path))
if path == fname:
return
if osp.exists(path):
answer = QMessageBox.warning(
self, _("Rename"),
_("Do you really want to rename <b>%s</b> and "
"overwrite the existing file <b>%s</b>?"
) % (osp.basename(fname), osp.basename(path)),
QMessageBox.Yes | QMessageBox.No)
if answer == QMessageBox.No:
return
try:
misc.rename_file(fname, path)
if osp.isfile(path):
self.sig_renamed.emit(fname, path)
else:
self.sig_tree_renamed.emit(fname, path)
return path
except EnvironmentError as error:
QMessageBox.critical(
self, _("Rename"),
_("<b>Unable to rename file <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (osp.basename(fname), str(error)))
@Slot()
def show_in_external_file_explorer(self, fnames=None):
"""Show file in external file explorer"""
if fnames is None:
fnames = self.get_selected_filenames()
show_in_external_file_explorer(fnames)
@Slot()
def rename(self, fnames=None):
"""Rename files"""
if fnames is None:
fnames = self.get_selected_filenames()
if not isinstance(fnames, (tuple, list)):
fnames = [fnames]
for fname in fnames:
self.rename_file(fname)
@Slot()
def move(self, fnames=None, directory=None):
"""Move files/directories"""
if fnames is None:
fnames = self.get_selected_filenames()
orig = fixpath(osp.dirname(fnames[0]))
while True:
self.sig_redirect_stdio_requested.emit(False)
if directory is None:
folder = getexistingdirectory(
self, _("Select directory"), orig)
else:
folder = directory
self.sig_redirect_stdio_requested.emit(True)
if folder:
folder = fixpath(folder)
if folder != orig:
break
else:
return
for fname in fnames:
basename = osp.basename(fname)
try:
misc.move_file(fname, osp.join(folder, basename))
except EnvironmentError as error:
QMessageBox.critical(
self, _("Error"),
_("<b>Unable to move <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (basename, str(error)))
def create_new_folder(self, current_path, title, subtitle, is_package):
"""Create new folder"""
if current_path is None:
current_path = ''
if osp.isfile(current_path):
current_path = osp.dirname(current_path)
name, valid = QInputDialog.getText(self, title, subtitle,
QLineEdit.Normal, "")
if valid:
dirname = osp.join(current_path, str(name))
try:
os.mkdir(dirname)
except EnvironmentError as error:
QMessageBox.critical(
self, title,
_("<b>Unable to create folder <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (dirname, str(error)))
finally:
if is_package:
fname = osp.join(dirname, '__init__.py')
try:
with open(fname, 'wb') as f:
f.write(to_binary_string('#'))
return dirname
except EnvironmentError as error:
QMessageBox.critical(
self, title,
_("<b>Unable to create file <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (fname, str(error)))
def get_selected_dir(self):
""" Get selected dir
If file is selected the directory containing file is returned.
If multiple items are selected, first item is chosen.
"""
selected_path = self.get_selected_filenames()[0]
if osp.isfile(selected_path):
selected_path = osp.dirname(selected_path)
return fixpath(selected_path)
@Slot()
def new_folder(self, basedir=None):
"""New folder."""
if basedir is None:
basedir = self.get_selected_dir()
title = _('New folder')
subtitle = _('Folder name:')
self.create_new_folder(basedir, title, subtitle, is_package=False)
def create_new_file(self, current_path, title, filters, create_func):
"""Create new file
Returns True if successful"""
if current_path is None:
current_path = ''
if osp.isfile(current_path):
current_path = osp.dirname(current_path)
self.sig_redirect_stdio_requested.emit(False)
fname, _selfilter = getsavefilename(self, title, current_path, filters)
self.sig_redirect_stdio_requested.emit(True)
if fname:
try:
create_func(fname)
return fname
except EnvironmentError as error:
QMessageBox.critical(
self, _("New file"),
_("<b>Unable to create file <i>%s</i>"
"</b><br><br>Error message:<br>%s"
) % (fname, str(error)))
@Slot()
def new_file(self, basedir=None):
"""New file"""
if basedir is None:
basedir = self.get_selected_dir()
title = _("New file")
filters = _("All files")+" (*)"
def create_func(fname):
"""File creation callback"""
if osp.splitext(fname)[1] in ('.py', '.pyw', '.ipy'):
create_script(fname)
else:
with open(fname, 'wb') as f:
f.write(to_binary_string(''))
fname = self.create_new_file(basedir, title, filters, create_func)
if fname is not None:
self.open([fname])
@Slot()
def run(self, fnames=None):
"""Run Python scripts"""
if fnames is None:
fnames = self.get_selected_filenames()
for fname in fnames:
self.sig_run_requested.emit(fname)
def copy_path(self, fnames=None, method="absolute"):
"""Copy absolute or relative path to given file(s)/folders(s)."""
cb = QApplication.clipboard()
explorer_dir = self.fsmodel.rootPath()
if fnames is None:
fnames = self.get_selected_filenames()
if not isinstance(fnames, (tuple, list)):
fnames = [fnames]
fnames = [_fn.replace(os.sep, "/") for _fn in fnames]
if len(fnames) > 1:
if method == "absolute":
clipboard_files = ',\n'.join('"' + _fn + '"' for _fn in fnames)
elif method == "relative":
clipboard_files = ',\n'.join('"' +
osp.relpath(_fn, explorer_dir).
replace(os.sep, "/") + '"'
for _fn in fnames)
else:
if method == "absolute":
clipboard_files = fnames[0]
elif method == "relative":
clipboard_files = (osp.relpath(fnames[0], explorer_dir).
replace(os.sep, "/"))
copied_from = self._parent.__class__.__name__
if copied_from == 'ProjectExplorerWidget' and method == 'relative':
clipboard_files = [path.strip(',"') for path in
clipboard_files.splitlines()]
clipboard_files = ['/'.join(path.strip('/').split('/')[1:]) for
path in clipboard_files]
if len(clipboard_files) > 1:
clipboard_files = ',\n'.join('"' + _fn + '"' for _fn in
clipboard_files)
else:
clipboard_files = clipboard_files[0]
cb.setText(clipboard_files, mode=cb.Clipboard)
@Slot()
def copy_absolute_path(self):
"""Copy absolute paths of named files/directories to the clipboard."""
self.copy_path(method="absolute")
@Slot()
def copy_relative_path(self):
"""Copy relative paths of named files/directories to the clipboard."""
self.copy_path(method="relative")
@Slot()
def copy_file_clipboard(self, fnames=None):
"""Copy file(s)/folders(s) to clipboard."""
if fnames is None:
fnames = self.get_selected_filenames()
if not isinstance(fnames, (tuple, list)):
fnames = [fnames]
try:
file_content = QMimeData()
file_content.setUrls([QUrl.fromLocalFile(_fn) for _fn in fnames])
cb = QApplication.clipboard()
cb.setMimeData(file_content, mode=cb.Clipboard)
except Exception as e:
QMessageBox.critical(
self, _('File/Folder copy error'),
_("Cannot copy this type of file(s) or "
"folder(s). The error was:\n\n") + str(e))
@Slot()
def save_file_clipboard(self, fnames=None):
"""Paste file from clipboard into file/project explorer directory."""
if fnames is None:
fnames = self.get_selected_filenames()
if not isinstance(fnames, (tuple, list)):
fnames = [fnames]
if len(fnames) >= 1:
try:
selected_item = osp.commonpath(fnames)
except AttributeError:
# py2 does not have commonpath
if len(fnames) > 1:
selected_item = osp.normpath(
osp.dirname(osp.commonprefix(fnames)))
else:
selected_item = fnames[0]
if osp.isfile(selected_item):
parent_path = osp.dirname(selected_item)
else:
parent_path = osp.normpath(selected_item)
cb_data = QApplication.clipboard().mimeData()
if cb_data.hasUrls():
urls = cb_data.urls()
for url in urls:
source_name = url.toLocalFile()
base_name = osp.basename(source_name)
if osp.isfile(source_name):
try:
while base_name in os.listdir(parent_path):
file_no_ext, file_ext = osp.splitext(base_name)
end_number = re.search(r'\d+$', file_no_ext)
if end_number:
new_number = int(end_number.group()) + 1
else:
new_number = 1
left_string = re.sub(r'\d+$', '', file_no_ext)
left_string += str(new_number)
base_name = left_string + file_ext
destination = osp.join(parent_path, base_name)
else:
destination = osp.join(parent_path, base_name)
shutil.copy(source_name, destination)
except Exception as e:
QMessageBox.critical(self, _('Error pasting file'),
_("Unsupported copy operation"
". The error was:\n\n")
+ str(e))
else:
try:
while base_name in os.listdir(parent_path):
end_number = re.search(r'\d+$', base_name)
if end_number:
new_number = int(end_number.group()) + 1
else:
new_number = 1
left_string = re.sub(r'\d+$', '', base_name)
base_name = left_string + str(new_number)
destination = osp.join(parent_path, base_name)
else:
destination = osp.join(parent_path, base_name)
if osp.realpath(destination).startswith(
osp.realpath(source_name) + os.sep):
QMessageBox.critical(self,
_('Recursive copy'),
_("Source is an ancestor"
" of destination"
" folder."))
continue
shutil.copytree(source_name, destination)
except Exception as e:
QMessageBox.critical(self,
_('Error pasting folder'),
_("Unsupported copy"
" operation. The error was:"
"\n\n") + str(e))
else:
QMessageBox.critical(self, _("No file in clipboard"),
_("No file in the clipboard. Please copy"
" a file to the clipboard first."))
else:
if QApplication.clipboard().mimeData().hasUrls():
QMessageBox.critical(self, _('Blank area'),
_("Cannot paste in the blank area."))
else:
pass
@Slot()
def open_interpreter(self, fnames=None):
"""Open interpreter"""
if fnames is None:
fnames = self.get_selected_filenames()
for path in sorted(fnames):
self.sig_open_interpreter_requested.emit(path)
def filter_files(self, name_filters=None):
"""Filter files given the defined list of filters."""
if name_filters is None:
name_filters = self.get_conf('name_filters')
if self.filter_on:
self.fsmodel.setNameFilters(name_filters)
else:
self.fsmodel.setNameFilters([])
# ---- File Associations
# ------------------------------------------------------------------------
def get_common_file_associations(self, fnames):
"""
Return the list of common matching file associations for all fnames.
"""
all_values = []
for fname in fnames:
values = self.get_file_associations(fname)
all_values.append(values)
common = set(all_values[0])
for index in range(1, len(all_values)):
common = common.intersection(all_values[index])
return list(sorted(common))
def get_file_associations(self, fname):
"""Return the list of matching file associations for `fname`."""
for exts, values in self.get_conf('file_associations', {}).items():
clean_exts = [ext.strip() for ext in exts.split(',')]
for ext in clean_exts:
if fname.endswith((ext, ext[1:])):
values = values
break
else:
continue # Only excecuted if the inner loop did not break
break # Only excecuted if the inner loop did break
else:
values = []
return values
# ---- File/Directory actions
# ------------------------------------------------------------------------
def check_launch_error_codes(self, return_codes):
"""Check return codes and display message box if errors found."""
errors = [cmd for cmd, code in return_codes.items() if code != 0]
if errors:
if len(errors) == 1:
msg = _('The following command did not launch successfully:')
else:
msg = _('The following commands did not launch successfully:')
msg += '<br><br>' if len(errors) == 1 else '<br><br><ul>'
for error in errors:
if len(errors) == 1:
msg += '<code>{}</code>'.format(error)
else:
msg += '<li><code>{}</code></li>'.format(error)
msg += '' if len(errors) == 1 else '</ul>'
QMessageBox.warning(self, 'Application', msg, QMessageBox.Ok)
return not bool(errors)
# ---- VCS actions
# ------------------------------------------------------------------------
def vcs_command(self, action):
"""VCS action (commit, browse)"""
fnames = self.get_selected_filenames()
# Get dirname of selection
if osp.isdir(fnames[0]):
dirname = fnames[0]
else:
dirname = osp.dirname(fnames[0])
# Run action
try:
for path in sorted(fnames):
vcs.run_vcs_tool(dirname, action)
except vcs.ActionToolNotFound as error:
msg = _("For %s support, please install one of the<br/> "
"following tools:<br/><br/> %s")\
% (error.vcsname, ', '.join(error.tools))
QMessageBox.critical(
self, _("Error"),
_("""<b>Unable to find external program.</b><br><br>%s"""
) % str(msg))
# ---- Settings
# ------------------------------------------------------------------------
def get_scrollbar_position(self):
"""Return scrollbar positions"""
return (self.horizontalScrollBar().value(),
self.verticalScrollBar().value())
def set_scrollbar_position(self, position):
"""Set scrollbar positions"""
# Scrollbars will be restored after the expanded state
self._scrollbar_positions = position
if self._to_be_loaded is not None and len(self._to_be_loaded) == 0:
self.restore_scrollbar_positions()
def restore_scrollbar_positions(self):
"""Restore scrollbar positions once tree is loaded"""
hor, ver = self._scrollbar_positions
self.horizontalScrollBar().setValue(hor)
self.verticalScrollBar().setValue(ver)
def get_expanded_state(self):
"""Return expanded state"""
self.save_expanded_state()
return self.__expanded_state
def set_expanded_state(self, state):
"""Set expanded state"""
self.__expanded_state = state
self.restore_expanded_state()
def save_expanded_state(self):
"""Save all items expanded state"""
model = self.model()
# If model is not installed, 'model' will be None: this happens when
# using the Project Explorer without having selected a workspace yet
if model is not None:
self.__expanded_state = []
for idx in model.persistentIndexList():
if self.isExpanded(idx):
self.__expanded_state.append(self.get_filename(idx))
def restore_directory_state(self, fname):
"""Restore directory expanded state"""
root = osp.normpath(str(fname))
if not osp.exists(root):
# Directory has been (re)moved outside Spyder
return
for basename in os.listdir(root):
path = osp.normpath(osp.join(root, basename))
if osp.isdir(path) and path in self.__expanded_state:
self.__expanded_state.pop(self.__expanded_state.index(path))
if self._to_be_loaded is None:
self._to_be_loaded = []
self._to_be_loaded.append(path)
self.setExpanded(self.get_index(path), True)
if not self.__expanded_state:
self.fsmodel.directoryLoaded.disconnect(
self.restore_directory_state)
def follow_directories_loaded(self, fname):
"""Follow directories loaded during startup"""
if self._to_be_loaded is None:
return
path = osp.normpath(str(fname))
if path in self._to_be_loaded:
self._to_be_loaded.remove(path)
if self._to_be_loaded is not None and len(self._to_be_loaded) == 0:
self.fsmodel.directoryLoaded.disconnect(
self.follow_directories_loaded)
if self._scrollbar_positions is not None:
# The tree view need some time to render branches:
QTimer.singleShot(50, self.restore_scrollbar_positions)
def restore_expanded_state(self):
"""Restore all items expanded state"""
if self.__expanded_state is not None:
# In the old project explorer, the expanded state was a
# dictionary:
if isinstance(self.__expanded_state, list):
self.fsmodel.directoryLoaded.connect(
self.restore_directory_state)
self.fsmodel.directoryLoaded.connect(
self.follow_directories_loaded)
# ---- Options
# ------------------------------------------------------------------------
def set_single_click_to_open(self, value):
"""Set single click to open items."""
# Reset cursor shape
if not value:
self.unsetCursor()
def set_file_associations(self, value):
"""Set file associations open items."""
self.set_conf('file_associations', value)
def set_name_filters(self, name_filters):
"""Set name filters"""
if self.get_conf('name_filters') == ['']:
self.set_conf('name_filters', [])
else:
self.set_conf('name_filters', name_filters)
def set_show_hidden(self, state):
"""Toggle 'show hidden files' state"""
filters = (QDir.AllDirs | QDir.Files | QDir.Drives |
QDir.NoDotAndDotDot)
if state:
filters = (QDir.AllDirs | QDir.Files | QDir.Drives |
QDir.NoDotAndDotDot | QDir.Hidden)
self.fsmodel.setFilter(filters)
def reset_icon_provider(self):
"""Reset file system model icon provider
The purpose of this is to refresh files/directories icons"""
self.fsmodel.setIconProvider(IconProvider(self))
def convert_notebook(self, fname):
"""Convert an IPython notebook to a Python script in editor"""
try:
script = nbexporter().from_filename(fname)[0]
except Exception as e:
QMessageBox.critical(
self, _('Conversion error'),
_("It was not possible to convert this "
"notebook. The error is:\n\n") + str(e))
return
self.sig_file_created.emit(script)
@Slot()
def convert_notebooks(self):
"""Convert IPython notebooks to Python scripts in editor"""
fnames = self.get_selected_filenames()
if not isinstance(fnames, (tuple, list)):
fnames = [fnames]
for fname in fnames:
self.convert_notebook(fname)
@Slot()
def new_package(self, basedir=None):
"""New package"""
if basedir is None:
basedir = self.get_selected_dir()
title = _('New package')
subtitle = _('Package name:')
self.create_new_folder(basedir, title, subtitle, is_package=True)
@Slot()
def new_module(self, basedir=None):
"""New module"""
if basedir is None:
basedir = self.get_selected_dir()
title = _("New module")
filters = _("Python files")+" (*.py *.pyw *.ipy)"
def create_func(fname):
self.sig_module_created.emit(fname)
self.create_new_file(basedir, title, filters, create_func)
def go_to_parent_directory(self):
pass
class ExplorerTreeWidget(DirView):
"""
File/directory explorer tree widget.
"""
sig_dir_opened = Signal(str)
"""
This signal is emitted when the current directory of the explorer tree
has changed.
Parameters
----------
new_root_directory: str
The new root directory path.
Notes
-----
This happens when clicking (or double clicking depending on the option)
a folder, turning this folder in the new root parent of the tree.
"""
def __init__(self, parent=None):
"""Initialize the widget.
Parameters
----------
parent: PluginMainWidget, optional
Parent widget of the explorer tree widget.
"""
super().__init__(parent=parent)
# Attributes
self._parent = parent
self.__last_folder = None
self.__original_root_index = None
self.history = []
self.histindex = None
# Enable drag events
self.setDragEnabled(True)
# ---- SpyderWidgetMixin API
# ------------------------------------------------------------------------
def setup(self):
"""
Perform the setup of the widget.
"""
super().setup()
# Actions
self.previous_action = self.create_action(
ExplorerTreeWidgetActions.Previous,
text=_("Previous"),
icon=self.create_icon('previous'),
triggered=self.go_to_previous_directory,
)
self.next_action = self.create_action(
ExplorerTreeWidgetActions.Next,
text=_("Next"),
icon=self.create_icon('next'),
triggered=self.go_to_next_directory,
)
self.create_action(
ExplorerTreeWidgetActions.Parent,
text=_("Parent"),
icon=self.create_icon('up'),
triggered=self.go_to_parent_directory
)
# Toolbuttons
self.filter_button = self.create_action(
ExplorerTreeWidgetActions.ToggleFilter,
text="",
icon=ima.icon('filter'),
toggled=self.change_filter_state
)
self.filter_button.setCheckable(True)
def update_actions(self):
"""Update the widget actions."""
super().update_actions()
# ---- API
# ------------------------------------------------------------------------
def change_filter_state(self):
"""Handle the change of the filter state."""
self.filter_on = not self.filter_on
self.filter_button.setChecked(self.filter_on)
self.filter_button.setToolTip(_("Filter filenames"))
self.filter_files()
# ---- Refreshing widget
def set_current_folder(self, folder):
"""
Set current folder and return associated model index
Parameters
----------
folder: str
New path to the selected folder.
"""
index = self.fsmodel.setRootPath(folder)
self.__last_folder = folder
self.setRootIndex(index)
return index
def get_current_folder(self):
return self.__last_folder
def refresh(self, new_path=None, force_current=False):
"""
Refresh widget
Parameters
----------
new_path: str, optional
New path to refresh the widget.
force_current: bool, optional
If False, it won't refresh widget if path has not changed.
"""
if new_path is None:
new_path = getcwd_or_home()
if force_current:
index = self.set_current_folder(new_path)
self.expand(index)
self.setCurrentIndex(index)
self.previous_action.setEnabled(False)
self.next_action.setEnabled(False)
if self.histindex is not None:
self.previous_action.setEnabled(self.histindex > 0)
self.next_action.setEnabled(self.histindex < len(self.history) - 1)
# ---- Events
def directory_clicked(self, dirname, index):
if dirname:
self.chdir(directory=dirname)
# ---- Files/Directories Actions
@Slot()
def go_to_parent_directory(self):
"""Go to parent directory"""
self.chdir(osp.abspath(osp.join(getcwd_or_home(), os.pardir)))
@Slot()
def go_to_previous_directory(self):
"""Back to previous directory"""
self.histindex -= 1
self.chdir(browsing_history=True)
@Slot()
def go_to_next_directory(self):
"""Return to next directory"""
self.histindex += 1
self.chdir(browsing_history=True)
def update_history(self, directory):
"""
Update browse history.
Parameters
----------
directory: str
The new working directory.
"""
try:
directory = osp.abspath(str(directory))
if directory in self.history:
self.histindex = self.history.index(directory)
except Exception:
user_directory = get_home_dir()
self.chdir(directory=user_directory, browsing_history=True)
def chdir(self, directory=None, browsing_history=False, emit=True):
"""
Set directory as working directory.
Parameters
----------
directory: str
The new working directory.
browsing_history: bool, optional
Add the new `directory`to the browsing history. Default is False.
emit: bool, optional
Emit a signal when changing the working directpory.
Default is True.
"""
if directory is not None:
directory = osp.abspath(str(directory))
if browsing_history:
directory = self.history[self.histindex]
elif directory in self.history:
self.histindex = self.history.index(directory)
else:
if self.histindex is None:
self.history = []
else:
self.history = self.history[:self.histindex+1]
if len(self.history) == 0 or \
(self.history and self.history[-1] != directory):
self.history.append(directory)
self.histindex = len(self.history)-1
directory = str(directory)
try:
os.chdir(directory)
self.refresh(new_path=directory, force_current=True)
if emit:
self.sig_dir_opened.emit(directory)
except PermissionError:
QMessageBox.critical(self._parent, "Error",
_("You don't have the right permissions to "
"open this directory"))
except FileNotFoundError:
# Handle renaming directories on the fly.
# See spyder-ide/spyder#5183
self.history.pop(self.histindex)