class Navigation(QWidget):
"""
Navigation class definition.
Provide a combobox to switch on each opened directories and display it into
a tree view
Provide 2 useful function (to use in alter module):
- add_action(name, shortcut, callback)
- callback take 2 arguments : file_info and parent
- add_separator()
"""
SETTINGS_DIRECTORIES = 'navigation_dirs'
SETTINGS_CURRENT_DIR = 'navigation_current_dir'
onFileItemActivated = pyqtSignal(QFileInfo, name="onFileItemActivated")
onDirItemActivated = pyqtSignal(QFileInfo, name="onDirItemActivated")
def __init__(self, parent=None):
super(Navigation, self).__init__(parent)
self.setObjectName("Navigation")
self.layout = QVBoxLayout(self)
self.layout.setSpacing(0)
self.layout.setContentsMargins(0, 0, 0, 0)
self.menu_button = QPushButton('Select directory', self)
self.menu_button.setFlat(True)
# self.menu_button.clicked.connect(self.on_menu_button_clicked)
self.menu = QMenu(self)
self.menu_button.setMenu(self.menu)
self.menu_directories = QMenu(self)
self.menu_directories.setTitle('Directories')
self.menu_add_action('Open directory', self.open_directory, None,
QKeySequence.Open)
self.menu_add_separator()
self.menu_add_action('Refresh', self.reset, None, QKeySequence.Refresh)
# @TODO invoke_all
self.menu_add_separator()
self.menu.addMenu(self.menu_directories)
self.tree = QTreeView(self)
self.model = FileSystemModel(self)
self.tree.setModel(self.model)
self.tree.setColumnHidden(1, True)
self.tree.setColumnHidden(2, True)
self.tree.setColumnHidden(3, True)
self.tree.setHeaderHidden(True)
# only to expand directory or activated with one click
self.tree.clicked.connect(self.on_item_clicked)
# else, for file use activated signal
self.tree.activated.connect(self.on_item_activated)
self.tree.setContextMenuPolicy(Qt.CustomContextMenu)
self.tree.customContextMenuRequested.connect(self.on_context_menu)
self.widgets = collections.OrderedDict()
self.widgets['menu_button'] = self.menu_button
self.widgets['tree'] = self.tree
# @ToDo: Alter.invoke_all('add_widget', self.widgets)
for name, widget in self.widgets.items():
if name == 'menu_button':
self.layout.addWidget(widget, 0, Qt.AlignLeft)
else:
self.layout.addWidget(widget)
self.context_menu = QMenu(self)
self.add_action('New file', QKeySequence.New,
FileSystemHelper.new_file)
self.add_separator()
self.add_action('Copy', QKeySequence.Copy, FileSystemHelper.copy)
self.add_action('Cut', QKeySequence.Cut, FileSystemHelper.cut)
self.add_action('Paste', QKeySequence.Paste, FileSystemHelper.paste)
self.add_separator()
self.add_action('Delete', QKeySequence.Delete, FileSystemHelper.delete)
# @ToDo Alter.invoke_all('navigation_add_action', self)
#restore previous session and data
dirs = ModuleManager.core['settings'].Settings.value(
self.SETTINGS_DIRECTORIES, None, True)
for directory_path in dirs:
name = os.path.basename(directory_path)
self.menu_add_directory(name, directory_path)
current_dir = ModuleManager.core['settings'].Settings.value(
self.SETTINGS_CURRENT_DIR, '')
if current_dir:
for action in self.menu_directories.actions():
if action.data() == current_dir:
action.trigger()
self.menu_button.setFocusPolicy(Qt.NoFocus)
self.menu_button.setFocusProxy(self.tree)
def reset(self, file_info):
self.model.beginResetModel()
current_dir = ModuleManager.core['settings'].Settings.value(
self.SETTINGS_CURRENT_DIR, '')
if current_dir:
for action in self.menu_directories.actions():
if action.data() == current_dir:
action.trigger()
def on_menu_button_clicked(self):
pos = self.mapToGlobal(self.menu_button.pos())
menu_width = self.menu.sizeHint().width()
pos.setY(pos.y() + self.menu_button.height())
# pos.setX(pos.x() + self.menu_button.width() - menu_width)
if len(self.menu.actions()) > 0:
self.menu.exec(pos)
def menu_add_action(self,
name,
callback,
data=None,
shortcut=None,
icon=None):
action = QAction(name, self)
if icon:
action.setIcon(icon)
if shortcut:
action.setShortcut(shortcut)
action.setShortcutContext(Qt.WidgetWithChildrenShortcut)
if data:
action.setData(data)
action.triggered.connect(callback)
self.addAction(action)
self.menu.addAction(action)
def menu_add_directory(self, name, data):
action = QAction(name, self)
action.setData(data)
action.triggered.connect(self.on_menu_action_triggered)
self.menu_directories.addAction(action)
return action
def menu_add_separator(self):
self.menu.addSeparator()
def add_action(self, name, shortcut, callback, icon=None):
"""
Ajoute une action au context menu et au widget navigation lui même.
Créer une fonction à la volé pour fournir des arguments aux fonctions
associé aux actions.
"""
action = QAction(name, self)
if icon:
action.setIcon(icon)
action.setShortcut(shortcut)
action.setShortcutContext(Qt.WidgetWithChildrenShortcut)
action.triggered.connect(self.__wrapper(callback))
self.addAction(action)
self.context_menu.addAction(action)
def add_separator(self):
"""Simple abstraction of self.context_menu.addSeparator()"""
self.context_menu.addSeparator()
def __wrapper(self, callback):
def __new_function():
"""
__new_function représente la forme de tous les callbacks connecté
à une action pour pouvoir utiliser les raccourcis en même temps que
le menu contextuel.
"""
action = self.sender()
file_info = action.data()
if not file_info:
indexes = self.tree.selectedIndexes()
if indexes:
model_index = indexes[0]
file_info = self.model.fileInfo(model_index)
callback(file_info, self)
elif action.shortcut() == QKeySequence.New:
file_info = self.model.fileInfo(self.tree.rootIndex())
callback(file_info, self)
else:
callback(file_info, self)
action.setData(None)
return __new_function
def question(self, text, informative_text=None):
message_box = QMessageBox(self)
message_box.setText(text)
if informative_text:
message_box.setInformativeText(informative_text)
message_box.setStandardButtons(QMessageBox.No | QMessageBox.Yes)
message_box.setDefaultButton(QMessageBox.No)
return message_box.exec()
def on_context_menu(self, point):
model_index = self.tree.indexAt(point)
file_info = self.model.fileInfo(model_index)
# pour chaque action on met a jour les data (file_info)
# puis on altère les actions (ex enabled)
for action in self.context_menu.actions():
if not action.isSeparator():
action.setData(file_info)
action.setEnabled(model_index.isValid())
if action.shortcut() == QKeySequence.New:
action.setEnabled(True)
if not model_index.isValid():
file_info = self.model.fileInfo(self.tree.rootIndex())
action.setData(file_info)
if action.shortcut() == QKeySequence.Paste:
enable = FileSystemHelper.ready() and model_index.isValid()
action.setEnabled(enable)
if action.shortcut() == QKeySequence.Delete:
# remove directory only if is an empty directory
if model_index.isValid() and file_info.isDir():
path = file_info.absoluteFilePath()
# QDir(path).count() always contains '.' and '..'
action.setEnabled(QDir(path).count() == 2)
# @ToDo
#Alter.invoke_all(
# 'navigation_on_menu_action',
# model_index, file_info, action, self)
if len(self.context_menu.actions()) > 0:
self.context_menu.exec(self.tree.mapToGlobal(point))
# reset action data, sinon y a des problèmes dans _new_function
for action in self.context_menu.actions():
action.setData(None)
def on_item_activated(self, index):
qFileInfo = self.model.fileInfo(index)
if qFileInfo.isDir():
self.onDirItemActivated.emit(qFileInfo)
else:
self.onFileItemActivated.emit(qFileInfo)
def on_item_clicked(self, index):
qFileInfo = self.model.fileInfo(index)
if qFileInfo.isDir():
self.onDirItemActivated.emit(qFileInfo)
self.tree.setExpanded(index, not self.tree.isExpanded(index))
else:
self.onFileItemActivated.emit(qFileInfo)
def open_directory(self):
path = QFileDialog.getExistingDirectory(self, "Open Directory", ".")
if path:
name = os.path.basename(path)
action = self.menu_add_directory(name, path)
self.save_directories_path()
action.trigger()
def on_menu_action_triggered(self):
action = self.sender()
path = action.data()
if path:
self.model.setRootPath(path)
self.tree.setRootIndex(self.model.index(path))
self.menu_button.setText(os.path.basename(path))
self.save_current_dir(path)
def save_directories_path(self):
ModuleManager.core['settings'].Settings.set_value(
self.SETTINGS_DIRECTORIES,
[action.data() for action in self.menu_directories.actions()])
def save_current_dir(self, path):
ModuleManager.core['settings'].Settings.set_value(
self.SETTINGS_CURRENT_DIR, path)
class Navigation(QWidget):
"""
Navigation class definition.
Provide a combobox to switch on each opened directories and display it into
a tree view
Provide 2 useful function (to use in alter module):
- add_action(name, shortcut, callback)
- callback take 2 arguments : file_info and parent
- add_separator()
"""
SETTINGS_DIRECTORIES = 'navigation_dirs'
SETTINGS_CURRENT_DIR = 'navigation_current_dir'
onFileItemActivated = pyqtSignal(QFileInfo, name="onFileItemActivated")
onDirItemActivated = pyqtSignal(QFileInfo, name="onDirItemActivated")
def __init__(self, parent=None):
super(Navigation, self).__init__(parent)
self.setObjectName("Navigation")
self.layout = QVBoxLayout(self)
self.layout.setSpacing(0)
self.layout.setContentsMargins(0,0,0,0)
self.menu_button = QPushButton('Select directory', self)
self.menu_button.setFlat(True)
# self.menu_button.clicked.connect(self.on_menu_button_clicked)
self.menu = QMenu(self)
self.menu_button.setMenu(self.menu)
self.menu_directories = QMenu(self)
self.menu_directories.setTitle('Directories')
self.menu_add_action(
'Open directory', self.open_directory, None, QKeySequence.Open)
self.menu_add_separator()
self.menu_add_action('Refresh', self.reset, None, QKeySequence.Refresh)
# @TODO invoke_all
self.menu_add_separator()
self.menu.addMenu(self.menu_directories)
self.tree = QTreeView(self)
self.model = FileSystemModel(self)
self.tree.setModel(self.model)
self.tree.setColumnHidden(1, True)
self.tree.setColumnHidden(2, True)
self.tree.setColumnHidden(3, True)
self.tree.setHeaderHidden(True)
# only to expand directory or activated with one click
self.tree.clicked.connect(self.on_item_clicked)
# else, for file use activated signal
self.tree.activated.connect(self.on_item_activated)
self.tree.setContextMenuPolicy(Qt.CustomContextMenu)
self.tree.customContextMenuRequested.connect(self.on_context_menu)
self.widgets = collections.OrderedDict()
self.widgets['menu_button'] = self.menu_button
self.widgets['tree'] = self.tree
# @ToDo: Alter.invoke_all('add_widget', self.widgets)
for name, widget in self.widgets.items():
if name == 'menu_button':
self.layout.addWidget(widget, 0, Qt.AlignLeft)
else:
self.layout.addWidget(widget)
self.context_menu = QMenu(self)
self.add_action('New file', QKeySequence.New,
FileSystemHelper.new_file)
self.add_action('New Directory', '',
FileSystemHelper.new_directory)
self.add_separator()
self.add_action('Rename', '', FileSystemHelper.rename)
self.add_action('Copy', QKeySequence.Copy, FileSystemHelper.copy)
self.add_action('Cut', QKeySequence.Cut, FileSystemHelper.cut)
self.add_action('Paste', QKeySequence.Paste, FileSystemHelper.paste)
self.add_separator()
self.add_action('Delete', QKeySequence.Delete,
FileSystemHelper.delete)
# @ToDo Alter.invoke_all('navigation_add_action', self)
#restore previous session and data
dirs = ModuleManager.core['settings'].Settings.value(
self.SETTINGS_DIRECTORIES, None, True)
for directory_path in dirs:
name = os.path.basename(directory_path)
self.menu_add_directory(name, directory_path)
current_dir = ModuleManager.core['settings'].Settings.value(
self.SETTINGS_CURRENT_DIR, '')
if current_dir:
for action in self.menu_directories.actions():
if action.data() == current_dir:
action.trigger()
self.menu_button.setFocusPolicy(Qt.NoFocus)
self.menu_button.setFocusProxy(self.tree)
def reset(self, file_info):
self.model.beginResetModel()
current_dir = ModuleManager.core['settings'].Settings.value(
self.SETTINGS_CURRENT_DIR, '')
if current_dir:
for action in self.menu_directories.actions():
if action.data() == current_dir:
action.trigger()
def on_menu_button_clicked(self):
pos = self.mapToGlobal(self.menu_button.pos())
menu_width = self.menu.sizeHint().width()
pos.setY(pos.y() + self.menu_button.height())
# pos.setX(pos.x() + self.menu_button.width() - menu_width)
if len(self.menu.actions()) > 0:
self.menu.exec(pos)
def menu_add_action(self, name, callback, data=None, shortcut=None, icon=None):
action = QAction(name, self)
if icon:
action.setIcon(icon)
if shortcut:
action.setShortcut(shortcut)
action.setShortcutContext(Qt.WidgetWithChildrenShortcut)
if data:
action.setData(data)
action.triggered.connect(callback)
self.addAction(action)
self.menu.addAction(action)
def menu_add_directory(self, name, data):
action = QAction(name, self)
action.setData(data)
action.triggered.connect(self.on_menu_action_triggered)
self.menu_directories.addAction(action)
return action
def menu_add_separator(self):
self.menu.addSeparator()
def add_action(self, name, shortcut, callback, icon = None):
"""
Ajoute une action au context menu et au widget navigation lui même.
Créer une fonction à la volé pour fournir des arguments aux fonctions
associé aux actions.
"""
action = QAction(name, self)
if icon:
action.setIcon(icon)
action.setShortcut(shortcut)
action.setShortcutContext(Qt.WidgetWithChildrenShortcut)
action.triggered.connect(self.__wrapper(callback))
self.addAction(action)
self.context_menu.addAction(action)
def add_separator(self):
"""Simple abstraction of self.context_menu.addSeparator()"""
self.context_menu.addSeparator()
def __wrapper(self, callback):
def __new_function():
"""
__new_function représente la forme de tous les callbacks connecté
à une action pour pouvoir utiliser les raccourcis en même temps que
le menu contextuel.
"""
action = self.sender()
file_info = action.data()
if not file_info:
indexes = self.tree.selectedIndexes()
if indexes:
model_index = indexes[0]
file_info = self.model.fileInfo(model_index)
callback(file_info, self)
elif action.shortcut() == QKeySequence.New:
file_info = self.model.fileInfo(self.tree.rootIndex())
callback(file_info, self)
else:
callback(file_info, self)
action.setData(None)
return __new_function
def question(self, text, informative_text = None):
message_box = QMessageBox(self)
message_box.setText(text)
if informative_text:
message_box.setInformativeText(informative_text)
message_box.setStandardButtons(
QMessageBox.No | QMessageBox.Yes)
message_box.setDefaultButton(QMessageBox.No)
return message_box.exec()
def on_context_menu(self, point):
model_index = self.tree.indexAt(point)
file_info = self.model.fileInfo(model_index)
# pour chaque action on met a jour les data (file_info)
# puis on altère les actions (ex enabled)
for action in self.context_menu.actions():
if not action.isSeparator():
action.setData(file_info)
action.setEnabled(model_index.isValid())
if action.shortcut() == QKeySequence.New:
action.setEnabled(True)
if not model_index.isValid():
file_info = self.model.fileInfo(self.tree.rootIndex())
action.setData(file_info)
if action.shortcut() == QKeySequence.Paste:
enable = FileSystemHelper.ready() and model_index.isValid()
action.setEnabled(enable)
if action.shortcut() == QKeySequence.Delete:
# remove directory only if is an empty directory
if model_index.isValid() and file_info.isDir():
path = file_info.absoluteFilePath()
# QDir(path).count() always contains '.' and '..'
action.setEnabled(QDir(path).count() == 2)
# @ToDo
#Alter.invoke_all(
# 'navigation_on_menu_action',
# model_index, file_info, action, self)
if len(self.context_menu.actions()) > 0:
self.context_menu.exec(self.tree.mapToGlobal(point))
# reset action data, sinon y a des problèmes dans _new_function
for action in self.context_menu.actions():
action.setData(None)
def on_item_activated(self, index):
qFileInfo = self.model.fileInfo(index)
if qFileInfo.isDir():
self.onDirItemActivated.emit(qFileInfo)
else:
self.onFileItemActivated.emit(qFileInfo)
def on_item_clicked(self, index):
qFileInfo = self.model.fileInfo(index)
if qFileInfo.isDir():
self.onDirItemActivated.emit(qFileInfo)
self.tree.setExpanded(index, not self.tree.isExpanded(index))
else:
self.onFileItemActivated.emit(qFileInfo)
def open_directory(self):
project = ModuleManager.core['settings'].Settings.value(
self.SETTINGS_CURRENT_DIR, '')
path = QFileDialog.getExistingDirectory(self, "Open Directory", project)
if path:
name = os.path.basename(path)
action = self.menu_add_directory(name, path)
self.save_directories_path()
action.trigger()
def on_menu_action_triggered(self):
action = self.sender()
path = action.data()
if path:
self.model.setRootPath(path)
self.tree.setRootIndex(self.model.index(path))
self.menu_button.setText(os.path.basename(path))
self.save_current_dir(path)
def save_directories_path(self):
ModuleManager.core['settings'].Settings.set_value(
self.SETTINGS_DIRECTORIES,
[action.data() for action in self.menu_directories.actions()]
)
def save_current_dir(self, path):
ModuleManager.core['settings'].Settings.set_value(
self.SETTINGS_CURRENT_DIR,
path
)
class DataViewer(QWidget):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.setMinimumSize(500, 400)
main_layout = QHBoxLayout()
main_layout.setSpacing(5)
self.setLayout(main_layout)
control_column = QVBoxLayout()
main_layout.addLayout(control_column, stretch=1)
refresh_button = QPushButton('🔄 Refresh')
refresh_button.setFont(cn.EMOJI_FONT)
refresh_button.clicked.connect(self.refresh_list)
control_column.addWidget(refresh_button)
self.gesture_tree_view = QTreeView()
self.gesture_tree_view.setMinimumWidth(250)
self.gesture_tree_view.header().hide()
self.gesture_tree_view.setEditTriggers(
QAbstractItemView.NoEditTriggers)
self.gesture_tree_view.clicked.connect(self.show_selected)
self.gesture_tree_view.setContextMenuPolicy(Qt.CustomContextMenu)
self.gesture_tree_view.customContextMenuRequested.connect(
self.gesture_context_menu)
self.gesture_model = QStandardItemModel()
self.gesture_tree_view.setModel(self.gesture_model)
self.gesture_tree_view.setAnimated(True)
control_column.addWidget(self.gesture_tree_view)
self.displayed_gestures_layout = QVBoxLayout()
display_column = QVBoxLayout()
close_all_button = QPushButton('❌ Close all opened')
close_all_button.setFont(cn.EMOJI_FONT)
def close_all_displayed_gestures():
for i in range(self.displayed_gestures_layout.count()):
self.displayed_gestures_layout.itemAt(i).widget().close()
close_all_button.clicked.connect(close_all_displayed_gestures)
control_column.addWidget(close_all_button)
display_column.addLayout(
VerticalScrollableExtension(self.displayed_gestures_layout))
main_layout.addLayout(display_column, stretch=2)
self.refresh_list()
def refresh_list(self):
gestures = sorted(os.listdir(cn.DATA_FOLDER))
gesture_tree = {}
for gesture in gestures:
parts = gesture.split(cn.FILE_NAME_SEPARATOR)
if parts[0] == cn.SESSION_PREFIX:
continue
if len(parts) < 3 or parts[0] != cn.GESTURE_PREFIX:
logger.debug(f'Skipping file {gesture}, unknown naming.')
continue
index = int(parts[1])
if index < 0 or index >= len(cn.GESTURES):
logger.debug(f'Invalid index on {gesture}, skipping.')
continue
gesture = cn.GESTURES[index]
parts[1] = str(gesture)
current_node = gesture_tree
for part in parts[1:]:
current_node = current_node.setdefault(part, {})
self.gesture_model.clear()
root = self.gesture_model.invisibleRootItem()
def add_tree(tree: dict, node: QStandardItem):
for item in tree:
child_node = QStandardItem(item)
node.appendRow(child_node)
add_tree(tree[item], child_node)
add_tree(gesture_tree, root)
@staticmethod
def get_filename(model_index):
name = []
node = model_index
while node.isValid():
name.append(node.data())
node = node.parent()
name.append(cn.GESTURE_PREFIX)
# TODO this could be nicer
for i, gesture_spec in enumerate(cn.GESTURES):
if str(gesture_spec) == name[-2]:
name[-2] = str(i)
return cn.FILE_NAME_SEPARATOR.join(name[::-1])
def show_selected(self, model_index):
is_leaf = not model_index.child(0, 0).isValid()
if not is_leaf:
self.gesture_tree_view.setExpanded(
model_index,
not self.gesture_tree_view.isExpanded(model_index))
return
filename = DataViewer.get_filename(model_index)
selected_file = cn.DATA_FOLDER / filename
data = np.load(selected_file)
signal_widget = StaticSignalWidget()
signal_widget.plot_data(data)
widget = NamedExtension(filename, signal_widget)
widget = BlinkExtension(widget)
widget = ClosableExtension(widget)
widget.setMinimumWidth(600)
widget.setFixedHeight(200)
self.displayed_gestures_layout.addWidget(widget)
def gesture_context_menu(self, point):
model_index = self.gesture_tree_view.indexAt(point)
is_leaf = not model_index.child(0, 0).isValid()
if not is_leaf:
self.gesture_tree_view.setExpanded(
model_index,
not self.gesture_tree_view.isExpanded(model_index))
return
menu = QMenu()
def move_dialog():
Renamer(DataViewer.get_filename(model_index)).exec()
menu.addAction('Move', move_dialog)
def trash_and_remove_from_tree():
if Renamer.trash_gesture(DataViewer.get_filename(model_index)):
self.gesture_model.removeRow(model_index.row(),
model_index.parent())
menu.addAction('Trash', trash_and_remove_from_tree)
menu.exec(QCursor.pos())
