class OneColumnTree(QTreeWidget):
"""One-column tree widget with context menu, ..."""
def __init__(self, parent):
QTreeWidget.__init__(self, parent)
self.setItemsExpandable(True)
self.setColumnCount(1)
self.itemActivated.connect(self.activated)
self.itemClicked.connect(self.clicked)
# Setup context menu
self.menu = QMenu(self)
self.collapse_all_action = None
self.collapse_selection_action = None
self.expand_all_action = None
self.expand_selection_action = None
self.common_actions = self.setup_common_actions()
self.__expanded_state = None
self.itemSelectionChanged.connect(self.item_selection_changed)
self.item_selection_changed()
def activated(self, item):
"""Double-click event"""
raise NotImplementedError
def clicked(self, item):
pass
def set_title(self, title):
self.setHeaderLabels([title])
def setup_common_actions(self):
"""Setup context menu common actions"""
self.collapse_all_action = create_action(self,
text=_('Collapse all'),
icon=ima.icon('collapse'),
triggered=self.collapseAll)
self.expand_all_action = create_action(self,
text=_('Expand all'),
icon=ima.icon('expand'),
triggered=self.expandAll)
self.restore_action = create_action(self,
text=_('Restore'),
tip=_('Restore original tree layout'),
icon=ima.icon('restore'),
triggered=self.restore)
self.collapse_selection_action = create_action(self,
text=_('Collapse selection'),
icon=ima.icon('collapse_selection'),
triggered=self.collapse_selection)
self.expand_selection_action = create_action(self,
text=_('Expand selection'),
icon=ima.icon('expand_selection'),
triggered=self.expand_selection)
return [self.collapse_all_action, self.expand_all_action,
self.restore_action, None,
self.collapse_selection_action, self.expand_selection_action]
def update_menu(self):
self.menu.clear()
items = self.selectedItems()
actions = self.get_actions_from_items(items)
if actions:
actions.append(None)
actions += self.common_actions
add_actions(self.menu, actions)
def get_actions_from_items(self, items):
# Right here: add other actions if necessary
# (reimplement this method)
return []
@Slot()
def restore(self):
self.collapseAll()
for item in self.get_top_level_items():
self.expandItem(item)
def is_item_expandable(self, item):
"""To be reimplemented in child class
See example in project explorer widget"""
return True
def __expand_item(self, item):
if self.is_item_expandable(item):
self.expandItem(item)
for index in range(item.childCount()):
child = item.child(index)
self.__expand_item(child)
@Slot()
def expand_selection(self):
items = self.selectedItems()
if not items:
items = self.get_top_level_items()
for item in items:
self.__expand_item(item)
if items:
self.scrollToItem(items[0])
def __collapse_item(self, item):
self.collapseItem(item)
for index in range(item.childCount()):
child = item.child(index)
self.__collapse_item(child)
@Slot()
def collapse_selection(self):
items = self.selectedItems()
if not items:
items = self.get_top_level_items()
for item in items:
self.__collapse_item(item)
if items:
self.scrollToItem(items[0])
def item_selection_changed(self):
"""Item selection has changed"""
is_selection = len(self.selectedItems()) > 0
self.expand_selection_action.setEnabled(is_selection)
self.collapse_selection_action.setEnabled(is_selection)
def get_top_level_items(self):
"""Iterate over top level items"""
return [self.topLevelItem(_i) for _i in range(self.topLevelItemCount())]
def get_items(self):
"""Return items (excluding top level items)"""
itemlist = []
def add_to_itemlist(item):
for index in range(item.childCount()):
citem = item.child(index)
itemlist.append(citem)
add_to_itemlist(citem)
for tlitem in self.get_top_level_items():
add_to_itemlist(tlitem)
return itemlist
def get_scrollbar_position(self):
return (self.horizontalScrollBar().value(),
self.verticalScrollBar().value())
def set_scrollbar_position(self, position):
hor, ver = position
self.horizontalScrollBar().setValue(hor)
self.verticalScrollBar().setValue(ver)
def get_expanded_state(self):
self.save_expanded_state()
return self.__expanded_state
def set_expanded_state(self, state):
self.__expanded_state = state
self.restore_expanded_state()
def save_expanded_state(self):
"""Save all items expanded state"""
self.__expanded_state = {}
def add_to_state(item):
user_text = get_item_user_text(item)
self.__expanded_state[hash(user_text)] = item.isExpanded()
def browse_children(item):
add_to_state(item)
for index in range(item.childCount()):
citem = item.child(index)
user_text = get_item_user_text(citem)
self.__expanded_state[hash(user_text)] = citem.isExpanded()
browse_children(citem)
for tlitem in self.get_top_level_items():
browse_children(tlitem)
def restore_expanded_state(self):
"""Restore all items expanded state"""
if self.__expanded_state is None:
return
for item in self.get_items()+self.get_top_level_items():
user_text = get_item_user_text(item)
is_expanded = self.__expanded_state.get(hash(user_text))
if is_expanded is not None:
item.setExpanded(is_expanded)
def sort_top_level_items(self, key):
"""Sorting tree wrt top level items"""
self.save_expanded_state()
items = sorted([self.takeTopLevelItem(0)
for index in range(self.topLevelItemCount())], key=key)
for index, item in enumerate(items):
self.insertTopLevelItem(index, item)
self.restore_expanded_state()
def contextMenuEvent(self, event):
"""Override Qt method"""
self.update_menu()
self.menu.popup(event.globalPos())
class DirView(QTreeView):
"""Base file/directory tree view"""
def __init__(self, parent=None):
super(DirView, self).__init__(parent)
self.name_filters = ["*.py"]
self.parent_widget = parent
self.show_all = None
self.menu = None
self.common_actions = None
self.__expanded_state = None
self._to_be_loaded = None
self.fsmodel = None
self.setup_fs_model()
self._scrollbar_positions = None
# ---- Model
def setup_fs_model(self):
"""Setup filesystem model"""
filters = QDir.AllDirs | QDir.Files | QDir.Drives | QDir.NoDotAndDotDot
self.fsmodel = QFileSystemModel(self)
self.fsmodel.setFilter(filters)
self.fsmodel.setNameFilterDisables(False)
def install_model(self):
"""Install filesystem model"""
self.setModel(self.fsmodel)
def setup_view(self):
"""Setup view"""
self.install_model()
if not is_pyqt46:
self.fsmodel.directoryLoaded.connect(lambda: self.resizeColumnToContents(0))
self.setAnimated(False)
self.setSortingEnabled(True)
self.sortByColumn(0, Qt.AscendingOrder)
def set_name_filters(self, name_filters):
"""Set name filters"""
self.name_filters = name_filters
self.fsmodel.setNameFilters(name_filters)
def set_show_all(self, state):
"""Toggle 'show all files' state"""
if state:
self.fsmodel.setNameFilters([])
else:
self.fsmodel.setNameFilters(self.name_filters)
def get_filename(self, index):
"""Return filename associated with *index*"""
if index:
return osp.normpath(to_text_string(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"""
if self.selectionMode() == self.ExtendedSelection:
return [self.get_filename(idx) for idx in self.selectedIndexes()]
else:
return [self.get_filename(self.currentIndex())]
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)
# ---- Tree view widget
def setup(self, name_filters=["*.py", "*.pyw"], show_all=False):
"""Setup tree widget"""
self.setup_view()
self.set_name_filters(name_filters)
self.show_all = show_all
# Setup context menu
self.menu = QMenu(self)
self.common_actions = self.setup_common_actions()
# ---- Context menu
def setup_common_actions(self):
"""Setup context menu common actions"""
# Filters
filters_action = create_action(
self, _("Edit filename filters..."), None, ima.icon("filter"), triggered=self.edit_filter
)
# Show all files
all_action = create_action(self, _("Show all files"), toggled=self.toggle_all)
all_action.setChecked(self.show_all)
self.toggle_all(self.show_all)
return [filters_action, all_action]
@Slot()
def edit_filter(self):
"""Edit name filters"""
filters, valid = QInputDialog.getText(
self, _("Edit filename filters"), _("Name filters:"), QLineEdit.Normal, ", ".join(self.name_filters)
)
if valid:
filters = [f.strip() for f in to_text_string(filters).split(",")]
self.parent_widget.sig_option_changed.emit("name_filters", filters)
self.set_name_filters(filters)
@Slot(bool)
def toggle_all(self, checked):
"""Toggle all files mode"""
self.parent_widget.sig_option_changed.emit("show_all", checked)
self.show_all = checked
self.set_show_all(checked)
def create_file_new_actions(self, fnames):
"""Return actions for submenu 'New...'"""
if not fnames:
return []
new_file_act = create_action(
self, _("File..."), icon=ima.icon("filenew"), triggered=lambda: self.new_file(fnames[-1])
)
new_module_act = create_action(
self, _("Module..."), icon=ima.icon("spyder"), triggered=lambda: self.new_module(fnames[-1])
)
new_folder_act = create_action(
self, _("Folder..."), icon=ima.icon("folder_new"), triggered=lambda: self.new_folder(fnames[-1])
)
new_package_act = create_action(
self, _("Package..."), icon=ima.icon("package_new"), triggered=lambda: self.new_package(fnames[-1])
)
return [new_file_act, new_folder_act, None, new_module_act, new_package_act]
def create_file_import_actions(self, fnames):
"""Return actions for submenu 'Import...'"""
return []
def create_file_manage_actions(self, fnames):
"""Return file management actions"""
only_files = all([osp.isfile(_fn) for _fn in fnames])
only_modules = all([osp.splitext(_fn)[1] in (".py", ".pyw", ".ipy") for _fn in fnames])
only_notebooks = all([osp.splitext(_fn)[1] == ".ipynb" for _fn in fnames])
only_valid = all([encoding.is_text_file(_fn) for _fn in fnames])
run_action = create_action(self, _("Run"), icon=ima.icon("run"), triggered=self.run)
edit_action = create_action(self, _("Edit"), icon=ima.icon("edit"), triggered=self.clicked)
move_action = create_action(self, _("Move..."), icon="move.png", triggered=self.move)
delete_action = create_action(self, _("Delete..."), icon=ima.icon("editdelete"), triggered=self.delete)
rename_action = create_action(self, _("Rename..."), icon=ima.icon("rename"), triggered=self.rename)
open_action = create_action(self, _("Open"), triggered=self.open)
ipynb_convert_action = create_action(
self, _("Convert to Python script"), icon=ima.icon("python"), triggered=self.convert_notebooks
)
actions = []
if only_modules:
actions.append(run_action)
if only_valid and only_files:
actions.append(edit_action)
else:
actions.append(open_action)
actions += [delete_action, rename_action]
basedir = fixpath(osp.dirname(fnames[0]))
if all([fixpath(osp.dirname(_fn)) == basedir for _fn in fnames]):
actions.append(move_action)
actions += [None]
if only_notebooks and nbexporter is not None:
actions.append(ipynb_convert_action)
# VCS support is quite limited for now, so we are enabling the VCS
# related actions only when a single file/folder is selected:
dirname = fnames[0] if osp.isdir(fnames[0]) else osp.dirname(fnames[0])
if len(fnames) == 1 and vcs.is_vcs_repository(dirname):
vcs_ci = create_action(
self,
_("Commit"),
icon=ima.icon("vcs_commit"),
triggered=lambda fnames=[dirname]: self.vcs_command(fnames, "commit"),
)
vcs_log = create_action(
self,
_("Browse repository"),
icon=ima.icon("vcs_browse"),
triggered=lambda fnames=[dirname]: self.vcs_command(fnames, "browse"),
)
actions += [None, vcs_ci, vcs_log]
return actions
def create_folder_manage_actions(self, fnames):
"""Return folder management actions"""
actions = []
if os.name == "nt":
_title = _("Open command prompt here")
else:
_title = _("Open terminal here")
action = create_action(self, _title, icon=ima.icon("cmdprompt"), triggered=lambda: self.open_terminal(fnames))
actions.append(action)
_title = _("Open Python console here")
action = create_action(self, _title, icon=ima.icon("python"), triggered=lambda: self.open_interpreter(fnames))
actions.append(action)
return actions
def create_context_menu_actions(self):
"""Create context menu actions"""
actions = []
fnames = self.get_selected_filenames()
new_actions = self.create_file_new_actions(fnames)
if len(new_actions) > 1:
# Creating a submenu only if there is more than one entry
new_act_menu = QMenu(_("New"), self)
add_actions(new_act_menu, new_actions)
actions.append(new_act_menu)
else:
actions += new_actions
import_actions = self.create_file_import_actions(fnames)
if len(import_actions) > 1:
# Creating a submenu only if there is more than one entry
import_act_menu = QMenu(_("Import"), self)
add_actions(import_act_menu, import_actions)
actions.append(import_act_menu)
else:
actions += import_actions
if actions:
actions.append(None)
if fnames:
actions += self.create_file_manage_actions(fnames)
if actions:
actions.append(None)
if fnames and all([osp.isdir(_fn) for _fn in fnames]):
actions += self.create_folder_manage_actions(fnames)
if actions:
actions.append(None)
actions += self.common_actions
return actions
def update_menu(self):
"""Update context menu"""
self.menu.clear()
add_actions(self.menu, self.create_context_menu_actions())
# ---- Events
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 Issue 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"""
self.update_menu()
self.menu.popup(event.globalPos())
def keyPressEvent(self, event):
"""Reimplement Qt method"""
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()
else:
QTreeView.keyPressEvent(self, event)
def mouseDoubleClickEvent(self, event):
"""Reimplement Qt method"""
QTreeView.mouseDoubleClickEvent(self, event)
self.clicked()
@Slot()
def clicked(self):
"""Selected item was double-clicked or enter/return was pressed"""
fnames = self.get_selected_filenames()
for fname in fnames:
if osp.isdir(fname):
self.directory_clicked(fname)
else:
self.open([fname])
def directory_clicked(self, dirname):
"""Directory was just clicked"""
pass
# ---- Drag
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_()
# ---- File/Directory actions
@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.parent_widget.sig_open_file.emit(fname)
else:
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 = programs.start_file(path)
if not ok:
self.parent_widget.edit.emit(path)
def open_terminal(self, fnames):
"""Open terminal"""
for path in sorted(fnames):
self.parent_widget.open_terminal.emit(path)
def open_interpreter(self, fnames):
"""Open interpreter"""
for path in sorted(fnames):
self.parent_widget.open_interpreter.emit(path)
@Slot()
def run(self, fnames=None):
"""Run Python scripts"""
if fnames is None:
fnames = self.get_selected_filenames()
for fname in fnames:
self.parent_widget.run.emit(fname)
def remove_tree(self, dirname):
"""Remove whole directory tree
Reimplemented in project explorer widget"""
shutil.rmtree(dirname, onerror=misc.onerror)
def delete_file(self, fname, multiple, yes_to_all):
"""Delete file"""
if multiple:
buttons = QMessageBox.Yes | QMessageBox.YesAll | 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.YesAll:
yes_to_all = True
try:
if osp.isfile(fname):
misc.remove_file(fname)
self.parent_widget.removed.emit(fname)
else:
self.remove_tree(fname)
self.parent_widget.removed_tree.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, to_text_string(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:
yes_to_all = self.delete_file(fname, multiple, yes_to_all)
if yes_to_all is not None and not yes_to_all:
# Canceled
return
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") + to_text_string(e),
)
return
self.parent_widget.sig_new_file.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)
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), to_text_string(path))
if path == fname:
return
if osp.exists(path):
if (
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,
)
== QMessageBox.No
):
return
try:
misc.rename_file(fname, path)
self.parent_widget.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), to_text_string(error)),
)
@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):
"""Move files/directories"""
if fnames is None:
fnames = self.get_selected_filenames()
orig = fixpath(osp.dirname(fnames[0]))
while True:
self.parent_widget.redirect_stdio.emit(False)
folder = getexistingdirectory(self, _("Select directory"), orig)
self.parent_widget.redirect_stdio.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, to_text_string(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, to_text_string(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, to_text_string(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, to_text_string(error)),
)
def new_folder(self, basedir):
"""New folder"""
title = _("New folder")
subtitle = _("Folder name:")
self.create_new_folder(basedir, title, subtitle, is_package=False)
def new_package(self, basedir):
"""New package"""
title = _("New package")
subtitle = _("Package name:")
self.create_new_folder(basedir, title, subtitle, is_package=True)
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.parent_widget.redirect_stdio.emit(False)
fname, _selfilter = getsavefilename(self, title, current_path, filters)
self.parent_widget.redirect_stdio.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, to_text_string(error)),
)
def new_file(self, basedir):
"""New file"""
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])
def new_module(self, basedir):
"""New module"""
title = _("New module")
filters = _("Python scripts") + " (*.py *.pyw *.ipy)"
create_func = lambda fname: self.parent_widget.create_module.emit(fname)
self.create_new_file(basedir, title, filters, create_func)
# ----- VCS actions
def vcs_command(self, fnames, action):
"""VCS action (commit, browse)"""
try:
for path in sorted(fnames):
vcs.run_vcs_tool(path, 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""") % to_text_string(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(to_text_string(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 and not is_pyqt46:
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(to_text_string(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 and not is_pyqt46:
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 dictionnary:
if isinstance(self.__expanded_state, list) and not is_pyqt46:
self.fsmodel.directoryLoaded.connect(self.restore_directory_state)
self.fsmodel.directoryLoaded.connect(self.follow_directories_loaded)
class DirView(QTreeView):
"""Base file/directory tree view"""
def __init__(self, parent=None):
super(DirView, self).__init__(parent)
self.name_filters = None
self.parent_widget = parent
self.show_all = None
self.menu = None
self.common_actions = None
self.__expanded_state = None
self._to_be_loaded = None
self.fsmodel = None
self.setup_fs_model()
self._scrollbar_positions = None
#---- Model
def setup_fs_model(self):
"""Setup filesystem model"""
filters = QDir.AllDirs | QDir.Files | QDir.Drives | QDir.NoDotAndDotDot
self.fsmodel = QFileSystemModel(self)
self.fsmodel.setFilter(filters)
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.connect(self.fsmodel, SIGNAL('directoryLoaded(QString)'),
lambda: self.resizeColumnToContents(0))
self.setAnimated(False)
self.setSortingEnabled(True)
self.sortByColumn(0, Qt.AscendingOrder)
def set_name_filters(self, name_filters):
"""Set name filters"""
self.name_filters = name_filters
self.fsmodel.setNameFilters(name_filters)
def set_show_all(self, state):
"""Toggle 'show all files' state"""
if state:
self.fsmodel.setNameFilters([])
else:
self.fsmodel.setNameFilters(self.name_filters)
def get_filename(self, index):
"""Return filename associated with *index*"""
if index:
return osp.normpath(to_text_string(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"""
if self.selectionMode() == self.ExtendedSelection:
return [self.get_filename(idx) for idx in self.selectedIndexes()]
else:
return [self.get_filename(self.currentIndex())]
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)
#---- Tree view widget
def setup(self, name_filters=['*.py', '*.pyw'], show_all=False):
"""Setup tree widget"""
self.setup_view()
self.set_name_filters(name_filters)
self.show_all = show_all
# Setup context menu
self.menu = QMenu(self)
self.common_actions = self.setup_common_actions()
#---- Context menu
def setup_common_actions(self):
"""Setup context menu common actions"""
# Filters
filters_action = create_action(self, _("Edit filename filters..."),
None, get_icon('filter.png'),
triggered=self.edit_filter)
# Show all files
all_action = create_action(self, _("Show all files"),
toggled=self.toggle_all)
all_action.setChecked(self.show_all)
self.toggle_all(self.show_all)
return [filters_action, all_action]
def edit_filter(self):
"""Edit name filters"""
filters, valid = QInputDialog.getText(self, _('Edit filename filters'),
_('Name filters:'),
QLineEdit.Normal,
", ".join(self.name_filters))
if valid:
filters = [f.strip() for f in to_text_string(filters).split(',')]
self.parent_widget.sig_option_changed.emit('name_filters', filters)
self.set_name_filters(filters)
def toggle_all(self, checked):
"""Toggle all files mode"""
self.parent_widget.sig_option_changed.emit('show_all', checked)
self.show_all = checked
self.set_show_all(checked)
def create_file_new_actions(self, fnames):
"""Return actions for submenu 'New...'"""
if not fnames:
return []
new_file_act = create_action(self, _("File..."), icon='filenew.png',
triggered=lambda:
self.new_file(fnames[-1]))
new_module_act = create_action(self, _("Module..."), icon='py.png',
triggered=lambda:
self.new_module(fnames[-1]))
new_folder_act = create_action(self, _("Folder..."),
icon='folder_new.png',
triggered=lambda:
self.new_folder(fnames[-1]))
new_package_act = create_action(self, _("Package..."),
icon=get_icon('package_collapsed.png'),
triggered=lambda:
self.new_package(fnames[-1]))
return [new_file_act, new_folder_act, None,
new_module_act, new_package_act]
def create_file_import_actions(self, fnames):
"""Return actions for submenu 'Import...'"""
return []
def create_file_manage_actions(self, fnames):
"""Return file management actions"""
only_files = all([osp.isfile(_fn) for _fn in fnames])
only_modules = all([osp.splitext(_fn)[1] in ('.py', '.pyw', '.ipy')
for _fn in fnames])
only_notebooks = all([osp.splitext(_fn)[1] == '.ipynb'
for _fn in fnames])
only_valid = all([encoding.is_text_file(_fn) for _fn in fnames])
run_action = create_action(self, _("Run"), icon="run_small.png",
triggered=self.run)
edit_action = create_action(self, _("Edit"), icon="edit.png",
triggered=self.clicked)
move_action = create_action(self, _("Move..."),
icon="move.png",
triggered=self.move)
delete_action = create_action(self, _("Delete..."),
icon="delete.png",
triggered=self.delete)
rename_action = create_action(self, _("Rename..."),
icon="rename.png",
triggered=self.rename)
open_action = create_action(self, _("Open"), triggered=self.open)
ipynb_convert_action = create_action(self, _("Convert to Python script"),
icon="python.png",
triggered=self.convert)
actions = []
if only_modules:
actions.append(run_action)
if only_valid and only_files:
actions.append(edit_action)
else:
actions.append(open_action)
actions += [delete_action, rename_action]
basedir = fixpath(osp.dirname(fnames[0]))
if all([fixpath(osp.dirname(_fn)) == basedir for _fn in fnames]):
actions.append(move_action)
actions += [None]
if only_notebooks and nbexporter is not None:
actions.append(ipynb_convert_action)
# VCS support is quite limited for now, so we are enabling the VCS
# related actions only when a single file/folder is selected:
dirname = fnames[0] if osp.isdir(fnames[0]) else osp.dirname(fnames[0])
if len(fnames) == 1 and vcs.is_vcs_repository(dirname):
vcs_ci = create_action(self, _("Commit"),
icon="vcs_commit.png",
triggered=lambda fnames=[dirname]:
self.vcs_command(fnames, 'commit'))
vcs_log = create_action(self, _("Browse repository"),
icon="vcs_browse.png",
triggered=lambda fnames=[dirname]:
self.vcs_command(fnames, 'browse'))
actions += [None, vcs_ci, vcs_log]
return actions
def create_folder_manage_actions(self, fnames):
"""Return folder management actions"""
actions = []
if os.name == 'nt':
_title = _("Open command prompt here")
else:
_title = _("Open terminal here")
action = create_action(self, _title, icon="cmdprompt.png",
triggered=lambda fnames=fnames:
self.open_terminal(fnames))
actions.append(action)
_title = _("Open Python console here")
action = create_action(self, _title, icon="python.png",
triggered=lambda fnames=fnames:
self.open_interpreter(fnames))
actions.append(action)
return actions
def create_context_menu_actions(self):
"""Create context menu actions"""
actions = []
fnames = self.get_selected_filenames()
new_actions = self.create_file_new_actions(fnames)
if len(new_actions) > 1:
# Creating a submenu only if there is more than one entry
new_act_menu = QMenu(_('New'), self)
add_actions(new_act_menu, new_actions)
actions.append(new_act_menu)
else:
actions += new_actions
import_actions = self.create_file_import_actions(fnames)
if len(import_actions) > 1:
# Creating a submenu only if there is more than one entry
import_act_menu = QMenu(_('Import'), self)
add_actions(import_act_menu, import_actions)
actions.append(import_act_menu)
else:
actions += import_actions
if actions:
actions.append(None)
if fnames:
actions += self.create_file_manage_actions(fnames)
if actions:
actions.append(None)
if fnames and all([osp.isdir(_fn) for _fn in fnames]):
actions += self.create_folder_manage_actions(fnames)
if actions:
actions.append(None)
actions += self.common_actions
return actions
def update_menu(self):
"""Update context menu"""
self.menu.clear()
add_actions(self.menu, self.create_context_menu_actions())
#---- Events
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 Issue 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"""
self.update_menu()
self.menu.popup(event.globalPos())
def keyPressEvent(self, event):
"""Reimplement Qt method"""
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()
else:
QTreeView.keyPressEvent(self, event)
def mouseDoubleClickEvent(self, event):
"""Reimplement Qt method"""
QTreeView.mouseDoubleClickEvent(self, event)
self.clicked()
def clicked(self):
"""Selected item was double-clicked or enter/return was pressed"""
fnames = self.get_selected_filenames()
for fname in fnames:
if osp.isdir(fname):
self.directory_clicked(fname)
else:
self.open([fname])
def directory_clicked(self, dirname):
"""Directory was just clicked"""
pass
#---- Drag
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_()
#---- File/Directory actions
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.parent_widget.sig_open_file.emit(fname)
else:
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 = programs.start_file(path)
if not ok:
self.parent_widget.emit(SIGNAL("edit(QString)"), path)
def open_terminal(self, fnames):
"""Open terminal"""
for path in sorted(fnames):
self.parent_widget.emit(SIGNAL("open_terminal(QString)"), path)
def open_interpreter(self, fnames):
"""Open interpreter"""
for path in sorted(fnames):
self.parent_widget.emit(SIGNAL("open_interpreter(QString)"), path)
def run(self, fnames=None):
"""Run Python scripts"""
if fnames is None:
fnames = self.get_selected_filenames()
for fname in fnames:
self.parent_widget.emit(SIGNAL("run(QString)"), fname)
def remove_tree(self, dirname):
"""Remove whole directory tree
Reimplemented in project explorer widget"""
shutil.rmtree(dirname, onerror=misc.onerror)
def delete_file(self, fname, multiple, yes_to_all):
"""Delete file"""
if multiple:
buttons = QMessageBox.Yes|QMessageBox.YesAll| \
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.YesAll:
yes_to_all = True
try:
if osp.isfile(fname):
misc.remove_file(fname)
self.parent_widget.emit(SIGNAL("removed(QString)"),
fname)
else:
self.remove_tree(fname)
self.parent_widget.emit(SIGNAL("removed_tree(QString)"),
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, to_text_string(error)))
return False
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:
yes_to_all = self.delete_file(fname, multiple, yes_to_all)
if yes_to_all is not None and not yes_to_all:
# Canceled
return
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") + \
to_text_string(e))
return
self.parent_widget.sig_new_file.emit(script)
def convert(self, fnames=None):
"""Convert IPython notebooks to Python scripts in editor"""
if fnames is None:
fnames = self.get_selected_filenames()
if not isinstance(fnames, (tuple, list)):
fnames = [fnames]
for fname in fnames:
self.convert_notebook(fname)
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), to_text_string(path))
if path == fname:
return
if osp.exists(path):
if 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) == QMessageBox.No:
return
try:
misc.rename_file(fname, path)
self.parent_widget.emit( \
SIGNAL("renamed(QString,QString)"), 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), to_text_string(error)))
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)
def move(self, fnames=None):
"""Move files/directories"""
if fnames is None:
fnames = self.get_selected_filenames()
orig = fixpath(osp.dirname(fnames[0]))
while True:
self.parent_widget.emit(SIGNAL('redirect_stdio(bool)'), False)
folder = getexistingdirectory(self, _("Select directory"), orig)
self.parent_widget.emit(SIGNAL('redirect_stdio(bool)'), 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, to_text_string(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, to_text_string(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, to_text_string(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,
to_text_string(error)))
def new_folder(self, basedir):
"""New folder"""
title = _('New folder')
subtitle = _('Folder name:')
self.create_new_folder(basedir, title, subtitle, is_package=False)
def new_package(self, basedir):
"""New package"""
title = _('New package')
subtitle = _('Package name:')
self.create_new_folder(basedir, title, subtitle, is_package=True)
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.parent_widget.emit(SIGNAL('redirect_stdio(bool)'), False)
fname, _selfilter = getsavefilename(self, title, current_path, filters)
self.parent_widget.emit(SIGNAL('redirect_stdio(bool)'), 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, to_text_string(error)))
def new_file(self, basedir):
"""New file"""
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])
def new_module(self, basedir):
"""New module"""
title = _("New module")
filters = _("Python scripts")+" (*.py *.pyw *.ipy)"
create_func = lambda fname: self.parent_widget.emit( \
SIGNAL("create_module(QString)"), fname)
self.create_new_file(basedir, title, filters, create_func)
#----- VCS actions
def vcs_command(self, fnames, action):
"""VCS action (commit, browse)"""
try:
for path in sorted(fnames):
vcs.run_vcs_tool(path, 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""")
% to_text_string(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(to_text_string(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.disconnect(self.fsmodel, SIGNAL('directoryLoaded(QString)'),
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(to_text_string(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.disconnect(self.fsmodel, SIGNAL('directoryLoaded(QString)'),
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 dictionnary:
if isinstance(self.__expanded_state, list):
self.connect(self.fsmodel, SIGNAL('directoryLoaded(QString)'),
self.restore_directory_state)
self.connect(self.fsmodel, SIGNAL('directoryLoaded(QString)'),
self.follow_directories_loaded)
class OneColumnTree(QTreeWidget):
"""One-column tree widget with context menu, ..."""
def __init__(self, parent):
QTreeWidget.__init__(self, parent)
self.setItemsExpandable(True)
self.setColumnCount(1)
self.itemActivated.connect(self.activated)
self.itemClicked.connect(self.clicked)
# Setup context menu
self.menu = QMenu(self)
self.collapse_all_action = None
self.collapse_selection_action = None
self.expand_all_action = None
self.expand_selection_action = None
self.common_actions = self.setup_common_actions()
self.__expanded_state = None
self.itemSelectionChanged.connect(self.item_selection_changed)
self.item_selection_changed()
def activated(self, item):
"""Double-click event"""
raise NotImplementedError
def clicked(self, item):
pass
def set_title(self, title):
self.setHeaderLabels([title])
def setup_common_actions(self):
"""Setup context menu common actions"""
self.collapse_all_action = create_action(self,
text=_('Collapse all'),
icon=get_icon('collapse.png'),
triggered=self.collapseAll)
self.expand_all_action = create_action(self,
text=_('Expand all'),
icon=get_icon('expand.png'),
triggered=self.expandAll)
self.restore_action = create_action(
self,
text=_('Restore'),
tip=_('Restore original tree layout'),
icon=get_icon('restore.png'),
triggered=self.restore)
self.collapse_selection_action = create_action(
self,
text=_('Collapse selection'),
icon=get_icon('collapse_selection.png'),
triggered=self.collapse_selection)
self.expand_selection_action = create_action(
self,
text=_('Expand selection'),
icon=get_icon('expand_selection.png'),
triggered=self.expand_selection)
return [
self.collapse_all_action, self.expand_all_action,
self.restore_action, None, self.collapse_selection_action,
self.expand_selection_action
]
def update_menu(self):
self.menu.clear()
items = self.selectedItems()
actions = self.get_actions_from_items(items)
if actions:
actions.append(None)
actions += self.common_actions
add_actions(self.menu, actions)
def get_actions_from_items(self, items):
# Right here: add other actions if necessary
# (reimplement this method)
return []
@Slot()
def restore(self):
self.collapseAll()
for item in self.get_top_level_items():
self.expandItem(item)
def is_item_expandable(self, item):
"""To be reimplemented in child class
See example in project explorer widget"""
return True
def __expand_item(self, item):
if self.is_item_expandable(item):
self.expandItem(item)
for index in range(item.childCount()):
child = item.child(index)
self.__expand_item(child)
@Slot()
def expand_selection(self):
items = self.selectedItems()
if not items:
items = self.get_top_level_items()
for item in items:
self.__expand_item(item)
if items:
self.scrollToItem(items[0])
def __collapse_item(self, item):
self.collapseItem(item)
for index in range(item.childCount()):
child = item.child(index)
self.__collapse_item(child)
@Slot()
def collapse_selection(self):
items = self.selectedItems()
if not items:
items = self.get_top_level_items()
for item in items:
self.__collapse_item(item)
if items:
self.scrollToItem(items[0])
def item_selection_changed(self):
"""Item selection has changed"""
is_selection = len(self.selectedItems()) > 0
self.expand_selection_action.setEnabled(is_selection)
self.collapse_selection_action.setEnabled(is_selection)
def get_top_level_items(self):
"""Iterate over top level items"""
return [
self.topLevelItem(_i) for _i in range(self.topLevelItemCount())
]
def get_items(self):
"""Return items (excluding top level items)"""
itemlist = []
def add_to_itemlist(item):
for index in range(item.childCount()):
citem = item.child(index)
itemlist.append(citem)
add_to_itemlist(citem)
for tlitem in self.get_top_level_items():
add_to_itemlist(tlitem)
return itemlist
def get_scrollbar_position(self):
return (self.horizontalScrollBar().value(),
self.verticalScrollBar().value())
def set_scrollbar_position(self, position):
hor, ver = position
self.horizontalScrollBar().setValue(hor)
self.verticalScrollBar().setValue(ver)
def get_expanded_state(self):
self.save_expanded_state()
return self.__expanded_state
def set_expanded_state(self, state):
self.__expanded_state = state
self.restore_expanded_state()
def save_expanded_state(self):
"""Save all items expanded state"""
self.__expanded_state = {}
def add_to_state(item):
user_text = get_item_user_text(item)
self.__expanded_state[hash(user_text)] = item.isExpanded()
def browse_children(item):
add_to_state(item)
for index in range(item.childCount()):
citem = item.child(index)
user_text = get_item_user_text(citem)
self.__expanded_state[hash(user_text)] = citem.isExpanded()
browse_children(citem)
for tlitem in self.get_top_level_items():
browse_children(tlitem)
def restore_expanded_state(self):
"""Restore all items expanded state"""
if self.__expanded_state is None:
return
for item in self.get_items() + self.get_top_level_items():
user_text = get_item_user_text(item)
is_expanded = self.__expanded_state.get(hash(user_text))
if is_expanded is not None:
item.setExpanded(is_expanded)
def sort_top_level_items(self, key):
"""Sorting tree wrt top level items"""
self.save_expanded_state()
items = sorted([
self.takeTopLevelItem(0)
for index in range(self.topLevelItemCount())
],
key=key)
for index, item in enumerate(items):
self.insertTopLevelItem(index, item)
self.restore_expanded_state()
def contextMenuEvent(self, event):
"""Override Qt method"""
self.update_menu()
self.menu.popup(event.globalPos())
class BaseTabs(QTabWidget):
"""TabWidget with context menu and corner widgets"""
sig_close_tab = Signal(int)
def __init__(self,
parent,
actions=None,
menu=None,
corner_widgets=None,
menu_use_tooltips=False):
QTabWidget.__init__(self, parent)
self.setUsesScrollButtons(True)
# To style tabs on Mac
if sys.platform == 'darwin':
self.setObjectName('plugin-tab')
self.corner_widgets = {}
self.menu_use_tooltips = menu_use_tooltips
if menu is None:
self.menu = QMenu(self)
if actions:
add_actions(self.menu, actions)
else:
self.menu = menu
# Corner widgets
if corner_widgets is None:
corner_widgets = {}
corner_widgets.setdefault(Qt.TopLeftCorner, [])
corner_widgets.setdefault(Qt.TopRightCorner, [])
self.browse_button = create_toolbutton(self,
icon=ima.icon('browse_tab'),
tip=_("Browse tabs"))
self.browse_tabs_menu = QMenu(self)
self.browse_button.setMenu(self.browse_tabs_menu)
self.browse_button.setPopupMode(self.browse_button.InstantPopup)
self.browse_tabs_menu.aboutToShow.connect(self.update_browse_tabs_menu)
corner_widgets[Qt.TopLeftCorner] += [self.browse_button]
self.set_corner_widgets(corner_widgets)
def update_browse_tabs_menu(self):
"""Update browse tabs menu"""
self.browse_tabs_menu.clear()
names = []
dirnames = []
for index in range(self.count()):
if self.menu_use_tooltips:
text = to_text_string(self.tabToolTip(index))
else:
text = to_text_string(self.tabText(index))
names.append(text)
if osp.isfile(text):
# Testing if tab names are filenames
dirnames.append(osp.dirname(text))
offset = None
# If tab names are all filenames, removing common path:
if len(names) == len(dirnames):
common = get_common_path(dirnames)
if common is None:
offset = None
else:
offset = len(common) + 1
if offset <= 3:
# Common path is not a path but a drive letter...
offset = None
for index, text in enumerate(names):
tab_action = create_action(
self,
text[offset:],
icon=self.tabIcon(index),
toggled=lambda state, index=index: self.setCurrentIndex(index),
tip=self.tabToolTip(index))
tab_action.setChecked(index == self.currentIndex())
self.browse_tabs_menu.addAction(tab_action)
def set_corner_widgets(self, corner_widgets):
"""
Set tabs corner widgets
corner_widgets: dictionary of (corner, widgets)
corner: Qt.TopLeftCorner or Qt.TopRightCorner
widgets: list of widgets (may contains integers to add spacings)
"""
assert isinstance(corner_widgets, dict)
assert all(key in (Qt.TopLeftCorner, Qt.TopRightCorner)
for key in corner_widgets)
self.corner_widgets.update(corner_widgets)
for corner, widgets in list(self.corner_widgets.items()):
cwidget = QWidget()
cwidget.hide()
prev_widget = self.cornerWidget(corner)
if prev_widget:
prev_widget.close()
self.setCornerWidget(cwidget, corner)
clayout = QHBoxLayout()
clayout.setContentsMargins(0, 0, 0, 0)
for widget in widgets:
if isinstance(widget, int):
clayout.addSpacing(widget)
else:
clayout.addWidget(widget)
cwidget.setLayout(clayout)
cwidget.show()
def add_corner_widgets(self, widgets, corner=Qt.TopRightCorner):
self.set_corner_widgets(
{corner: self.corner_widgets.get(corner, []) + widgets})
def contextMenuEvent(self, event):
"""Override Qt method"""
if self.menu:
self.menu.popup(event.globalPos())
def mousePressEvent(self, event):
"""Override Qt method"""
if event.button() == Qt.MidButton:
index = self.tabBar().tabAt(event.pos())
if index >= 0:
self.sig_close_tab.emit(index)
event.accept()
return
QTabWidget.mousePressEvent(self, event)
def keyPressEvent(self, event):
"""Override Qt method"""
ctrl = event.modifiers() & Qt.ControlModifier
key = event.key()
handled = False
if ctrl and self.count() > 0:
index = self.currentIndex()
if key == Qt.Key_PageUp:
if index > 0:
self.setCurrentIndex(index - 1)
else:
self.setCurrentIndex(self.count() - 1)
handled = True
elif key == Qt.Key_PageDown:
if index < self.count() - 1:
self.setCurrentIndex(index + 1)
else:
self.setCurrentIndex(0)
handled = True
if not handled:
QTabWidget.keyPressEvent(self, event)
def set_close_function(self, func):
"""Setting Tabs close function
None -> tabs are not closable"""
state = func is not None
if state:
self.sig_close_tab.connect(func)
try:
# Assuming Qt >= 4.5
QTabWidget.setTabsClosable(self, state)
self.tabCloseRequested.connect(func)
except AttributeError:
# Workaround for Qt < 4.5
close_button = create_toolbutton(self,
triggered=func,
icon=ima.icon('fileclose'),
tip=_("Close current tab"))
self.setCornerWidget(close_button if state else None)
class DirView(QTreeView):
"""Base file/directory tree view"""
def __init__(self, parent=None):
super(DirView, self).__init__(parent)
self.name_filters = None
self.parent_widget = parent
self.valid_types = None
self.show_all = None
self.menu = None
self.common_actions = None
self.__expanded_state = None
self._to_be_loaded = None
self.fsmodel = None
self.setup_fs_model()
self._scrollbar_positions = None
#---- Model
def setup_fs_model(self):
"""Setup filesystem model"""
filters = QDir.AllDirs | QDir.Files | QDir.Drives | QDir.NoDotAndDotDot
self.fsmodel = QFileSystemModel(self)
self.fsmodel.setFilter(filters)
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.connect(self.fsmodel, SIGNAL('directoryLoaded(QString)'),
lambda: self.resizeColumnToContents(0))
self.setAnimated(False)
self.setSortingEnabled(True)
self.sortByColumn(0, Qt.AscendingOrder)
def set_name_filters(self, name_filters):
"""Set name filters"""
self.name_filters = name_filters
self.fsmodel.setNameFilters(name_filters)
def set_show_all(self, state):
"""Toggle 'show all files' state"""
if state:
self.fsmodel.setNameFilters([])
else:
self.fsmodel.setNameFilters(self.name_filters)
def get_filename(self, index):
"""Return filename associated with *index*"""
if index:
return osp.normpath(unicode(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"""
if self.selectionMode() == self.ExtendedSelection:
return [self.get_filename(idx) for idx in self.selectedIndexes()]
else:
return [self.get_filename(self.currentIndex())]
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)
#---- Tree view widget
def setup(self, name_filters=['*.py', '*.pyw'],
valid_types= ('.py', '.pyw'), show_all=False):
"""Setup tree widget"""
self.setup_view()
self.set_name_filters(name_filters)
self.valid_types = valid_types
self.show_all = show_all
# Setup context menu
self.menu = QMenu(self)
self.common_actions = self.setup_common_actions()
#---- Context menu
def setup_common_actions(self):
"""Setup context menu common actions"""
# Filters
filters_action = create_action(self, _("Edit filename filters..."),
None, get_icon('filter.png'),
triggered=self.edit_filter)
# Show all files
all_action = create_action(self, _("Show all files"),
toggled=self.toggle_all)
all_action.setChecked(self.show_all)
self.toggle_all(self.show_all)
return [filters_action, all_action]
def edit_filter(self):
"""Edit name filters"""
filters, valid = QInputDialog.getText(self, _('Edit filename filters'),
_('Name filters:'),
QLineEdit.Normal,
", ".join(self.name_filters))
if valid:
filters = [f.strip() for f in unicode(filters).split(',')]
self.parent_widget.sig_option_changed.emit('name_filters', filters)
self.set_name_filters(filters)
def toggle_all(self, checked):
"""Toggle all files mode"""
self.parent_widget.sig_option_changed.emit('show_all', checked)
self.show_all = checked
self.set_show_all(checked)
def create_file_new_actions(self, fnames):
"""Return actions for submenu 'New...'"""
if not fnames:
return []
new_file_act = create_action(self, _("File..."), icon='filenew.png',
triggered=lambda:
self.new_file(fnames[-1]))
new_module_act = create_action(self, _("Module..."), icon='py.png',
triggered=lambda:
self.new_module(fnames[-1]))
new_folder_act = create_action(self, _("Folder..."),
icon='folder_new.png',
triggered=lambda:
self.new_folder(fnames[-1]))
new_package_act = create_action(self, _("Package..."),
icon=get_icon('package_collapsed.png'),
triggered=lambda:
self.new_package(fnames[-1]))
return [new_file_act, new_folder_act, None,
new_module_act, new_package_act]
def create_file_import_actions(self, fnames):
"""Return actions for submenu 'Import...'"""
return []
def create_file_manage_actions(self, fnames):
"""Return file management actions"""
only_files = all([osp.isfile(_fn) for _fn in fnames])
only_modules = all([osp.splitext(_fn)[1] in ('.py', '.pyw', '.ipy')
for _fn in fnames])
only_valid = all([osp.splitext(_fn)[1] in self.valid_types
for _fn in fnames])
run_action = create_action(self, _("Run"), icon="run_small.png",
triggered=self.run)
edit_action = create_action(self, _("Edit"), icon="edit.png",
triggered=self.clicked)
move_action = create_action(self, _("Move..."),
icon="move.png",
triggered=self.move)
delete_action = create_action(self, _("Delete..."),
icon="delete.png",
triggered=self.delete)
rename_action = create_action(self, _("Rename..."),
icon="rename.png",
triggered=self.rename)
open_action = create_action(self, _("Open"), triggered=self.open)
actions = []
if only_modules:
actions.append(run_action)
if only_valid and only_files:
actions.append(edit_action)
else:
actions.append(open_action)
actions += [delete_action, rename_action]
basedir = fixpath(osp.dirname(fnames[0]))
if all([fixpath(osp.dirname(_fn)) == basedir for _fn in fnames]):
actions.append(move_action)
actions += [None]
# SCM support is quite limited for now, so we are enabling the SCM
# related actions only when a single file/folder is selected:
dirname = fnames[0] if osp.isdir(fnames[0]) else osp.dirname(fnames[0])
if len(fnames) == 1 and scm.is_scm_repository(dirname):
scm_ci = create_action(self, _("Commit"),
icon="scm_commit.png",
triggered=lambda fnames=[dirname]:
self.scm_command(fnames, tool='commit'))
scm_log = create_action(self, _("Browse repository"),
icon="scm_browse.png",
triggered=lambda fnames=[dirname]:
self.scm_command(fnames, tool='browse'))
actions += [None, scm_ci, scm_log]
return actions
def create_folder_manage_actions(self, fnames):
"""Return folder management actions"""
actions = []
if os.name == 'nt':
_title = _("Open command prompt here")
else:
_title = _("Open terminal here")
action = create_action(self, _title, icon="cmdprompt.png",
triggered=lambda fnames=fnames:
self.open_terminal(fnames))
actions.append(action)
_title = _("Open Python interpreter here")
action = create_action(self, _title, icon="python.png",
triggered=lambda fnames=fnames:
self.open_interpreter(fnames))
actions.append(action)
if programs.is_module_installed('IPython', '0.1'):
_title = _("Open IPython here")
action = create_action(self, _title, icon="ipython.png",
triggered=lambda fnames=fnames:
self.open_ipython(fnames))
actions.append(action)
return actions
def create_context_menu_actions(self):
"""Create context menu actions"""
actions = []
fnames = self.get_selected_filenames()
new_actions = self.create_file_new_actions(fnames)
if len(new_actions) > 1:
# Creating a submenu only if there is more than one entry
new_act_menu = QMenu(_('New'), self)
add_actions(new_act_menu, new_actions)
actions.append(new_act_menu)
else:
actions += new_actions
import_actions = self.create_file_import_actions(fnames)
if len(import_actions) > 1:
# Creating a submenu only if there is more than one entry
import_act_menu = QMenu(_('Import'), self)
add_actions(import_act_menu, import_actions)
actions.append(import_act_menu)
else:
actions += import_actions
if actions:
actions.append(None)
if fnames:
actions += self.create_file_manage_actions(fnames)
if actions:
actions.append(None)
if fnames and all([osp.isdir(_fn) for _fn in fnames]):
actions += self.create_folder_manage_actions(fnames)
if actions:
actions.append(None)
actions += self.common_actions
return actions
def update_menu(self):
"""Update context menu"""
self.menu.clear()
add_actions(self.menu, self.create_context_menu_actions())
#---- Events
def contextMenuEvent(self, event):
"""Override Qt method"""
self.update_menu()
self.menu.popup(event.globalPos())
def keyPressEvent(self, event):
"""Reimplement Qt method"""
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()
else:
QTreeView.keyPressEvent(self, event)
def mouseDoubleClickEvent(self, event):
"""Reimplement Qt method"""
QTreeView.mouseDoubleClickEvent(self, event)
self.clicked()
def clicked(self):
"""Selected item was double-clicked or enter/return was pressed"""
fnames = self.get_selected_filenames()
for fname in fnames:
if osp.isdir(fname):
self.directory_clicked(fname)
else:
self.open([fname])
def directory_clicked(self, dirname):
"""Directory was just clicked"""
pass
#---- Drag
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_()
#---- File/Directory actions
def open(self, fnames=None):
"""Open files with the appropriate application"""
if fnames is None:
fnames = self.get_selected_filenames()
for fname in fnames:
ext = osp.splitext(fname)[1]
if osp.isfile(fname) and ext in self.valid_types:
self.parent_widget.sig_open_file.emit(fname)
else:
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 = programs.start_file(path)
if not ok:
self.parent_widget.emit(SIGNAL("edit(QString)"), path)
def open_terminal(self, fnames):
"""Open terminal"""
for path in sorted(fnames):
self.parent_widget.emit(SIGNAL("open_terminal(QString)"), path)
def open_interpreter(self, fnames):
"""Open interpreter"""
for path in sorted(fnames):
self.parent_widget.emit(SIGNAL("open_interpreter(QString)"), path)
def open_ipython(self, fnames):
"""Open IPython"""
for path in sorted(fnames):
self.parent_widget.emit(SIGNAL("open_ipython(QString)"), path)
def run(self, fnames=None):
"""Run Python scripts"""
if fnames is None:
fnames = self.get_selected_filenames()
for fname in fnames:
self.parent_widget.emit(SIGNAL("run(QString)"), fname)
def remove_tree(self, dirname):
"""Remove whole directory tree
Reimplemented in project explorer widget"""
shutil.rmtree(dirname)
def delete_file(self, fname, multiple, yes_to_all):
"""Delete file"""
if multiple:
buttons = QMessageBox.Yes|QMessageBox.YesAll| \
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.YesAll:
yes_to_all = True
try:
if osp.isfile(fname):
misc.remove_file(fname)
self.parent_widget.emit(SIGNAL("removed(QString)"),
fname)
else:
self.remove_tree(fname)
self.parent_widget.emit(SIGNAL("removed_tree(QString)"),
fname)
return yes_to_all
except EnvironmentError, 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, unicode(error)))
return False
class BaseTabs(QTabWidget):
"""TabWidget with context menu and corner widgets"""
sig_close_tab = Signal(int)
def __init__(self, parent, actions=None, menu=None,
corner_widgets=None, menu_use_tooltips=False):
QTabWidget.__init__(self, parent)
self.setUsesScrollButtons(True)
# To style tabs on Mac
if sys.platform == 'darwin':
self.setObjectName('plugin-tab')
self.corner_widgets = {}
self.menu_use_tooltips = menu_use_tooltips
if menu is None:
self.menu = QMenu(self)
if actions:
add_actions(self.menu, actions)
else:
self.menu = menu
# Corner widgets
if corner_widgets is None:
corner_widgets = {}
corner_widgets.setdefault(Qt.TopLeftCorner, [])
corner_widgets.setdefault(Qt.TopRightCorner, [])
self.browse_button = create_toolbutton(self,
icon=ima.icon('browse_tab'),
tip=_("Browse tabs"))
self.browse_tabs_menu = QMenu(self)
self.browse_button.setMenu(self.browse_tabs_menu)
self.browse_button.setPopupMode(self.browse_button.InstantPopup)
self.browse_tabs_menu.aboutToShow.connect(self.update_browse_tabs_menu)
corner_widgets[Qt.TopLeftCorner] += [self.browse_button]
self.set_corner_widgets(corner_widgets)
def update_browse_tabs_menu(self):
"""Update browse tabs menu"""
self.browse_tabs_menu.clear()
names = []
dirnames = []
for index in range(self.count()):
if self.menu_use_tooltips:
text = to_text_string(self.tabToolTip(index))
else:
text = to_text_string(self.tabText(index))
names.append(text)
if osp.isfile(text):
# Testing if tab names are filenames
dirnames.append(osp.dirname(text))
offset = None
# If tab names are all filenames, removing common path:
if len(names) == len(dirnames):
common = get_common_path(dirnames)
if common is None:
offset = None
else:
offset = len(common)+1
if offset <= 3:
# Common path is not a path but a drive letter...
offset = None
for index, text in enumerate(names):
tab_action = create_action(self, text[offset:],
icon=self.tabIcon(index),
toggled=lambda state, index=index:
self.setCurrentIndex(index),
tip=self.tabToolTip(index))
tab_action.setChecked(index == self.currentIndex())
self.browse_tabs_menu.addAction(tab_action)
def set_corner_widgets(self, corner_widgets):
"""
Set tabs corner widgets
corner_widgets: dictionary of (corner, widgets)
corner: Qt.TopLeftCorner or Qt.TopRightCorner
widgets: list of widgets (may contains integers to add spacings)
"""
assert isinstance(corner_widgets, dict)
assert all(key in (Qt.TopLeftCorner, Qt.TopRightCorner)
for key in corner_widgets)
self.corner_widgets.update(corner_widgets)
for corner, widgets in list(self.corner_widgets.items()):
cwidget = QWidget()
cwidget.hide()
prev_widget = self.cornerWidget(corner)
if prev_widget:
prev_widget.close()
self.setCornerWidget(cwidget, corner)
clayout = QHBoxLayout()
clayout.setContentsMargins(0, 0, 0, 0)
for widget in widgets:
if isinstance(widget, int):
clayout.addSpacing(widget)
else:
clayout.addWidget(widget)
cwidget.setLayout(clayout)
cwidget.show()
def add_corner_widgets(self, widgets, corner=Qt.TopRightCorner):
self.set_corner_widgets({corner:
self.corner_widgets.get(corner, [])+widgets})
def contextMenuEvent(self, event):
"""Override Qt method"""
if self.menu:
self.menu.popup(event.globalPos())
def mousePressEvent(self, event):
"""Override Qt method"""
if event.button() == Qt.MidButton:
index = self.tabBar().tabAt(event.pos())
if index >= 0:
self.sig_close_tab.emit(index)
event.accept()
return
QTabWidget.mousePressEvent(self, event)
def keyPressEvent(self, event):
"""Override Qt method"""
ctrl = event.modifiers() & Qt.ControlModifier
key = event.key()
handled = False
if ctrl and self.count() > 0:
index = self.currentIndex()
if key == Qt.Key_PageUp:
if index > 0:
self.setCurrentIndex(index - 1)
else:
self.setCurrentIndex(self.count() - 1)
handled = True
elif key == Qt.Key_PageDown:
if index < self.count() - 1:
self.setCurrentIndex(index + 1)
else:
self.setCurrentIndex(0)
handled = True
if not handled:
QTabWidget.keyPressEvent(self, event)
def set_close_function(self, func):
"""Setting Tabs close function
None -> tabs are not closable"""
state = func is not None
if state:
self.sig_close_tab.connect(func)
try:
# Assuming Qt >= 4.5
QTabWidget.setTabsClosable(self, state)
self.tabCloseRequested.connect(func)
except AttributeError:
# Workaround for Qt < 4.5
close_button = create_toolbutton(self, triggered=func,
icon=ima.icon('fileclose'),
tip=_("Close current tab"))
self.setCornerWidget(close_button if state else None)
