def restore_child_nodes(self, stream: QXmlStreamReader,
testing: bool) -> Tuple[bool, Optional[QWidget]]:
'''
Restore state of child nodes.
Parameters
----------
stream : QXmlStreamReader
created_widget : QWidget
testing : bool
Returns
-------
value : bool
widget : QWidget
'''
result = True
widget = None
while stream.readNextStartElement():
if stream.name() == "Splitter":
result, widget = self.restore_splitter(stream, testing)
elif stream.name() == "Area":
result, widget = self.restore_dock_area(stream, testing)
else:
stream.skipCurrentElement()
logger.debug('restored child node %s: %s', stream.name(), widget)
return result, widget
def restore_dock_area(self, stream: QXmlStreamReader,
testing: bool) -> Tuple[bool, QWidget]:
'''
Restores a dock area.
Parameters
----------
stream : QXmlStreamReader
created_widget : QWidget
testing : bool
Returns
-------
value : bool
widget : QWidget
'''
tabs = int(stream.attributes().value("Tabs"))
current_dock_widget = stream.attributes().value("Current")
logger.debug('Restore NodeDockArea Tabs: %s current: %s', tabs,
current_dock_widget)
dock_area = None
if not testing:
dock_area = DockAreaWidget(self.dock_manager, self.public)
while stream.readNextStartElement():
if stream.name() != "Widget":
continue
object_name = stream.attributes().value("Name")
if not object_name:
return False, None
closed = bool(int(stream.attributes().value("Closed")))
stream.skipCurrentElement()
dock_widget = self.dock_manager.find_dock_widget(object_name)
if dock_widget and dock_area:
logger.debug('Dock Widget found - parent %s',
dock_widget.parent())
# We hide the DockArea here to prevent the short display (the flashing)
# of the dock areas during application startup
dock_area.hide()
dock_area.add_dock_widget(dock_widget)
dock_widget.set_toggle_view_action_checked(not closed)
dock_widget.set_closed_state(closed)
dock_widget.setProperty("closed", closed)
dock_widget.setProperty("dirty", False)
if testing:
return True, None
if not dock_area.dock_widgets_count():
dock_area.deleteLater()
dock_area = None
else:
dock_area.setProperty("currentDockWidget", current_dock_widget)
self.append_dock_areas(dock_area)
return True, dock_area
def restore_splitter(self, stream: QXmlStreamReader,
testing: bool) -> Tuple[bool, Optional[QWidget]]:
'''
Restores a splitter.
Parameters
----------
stream : QXmlStreamReader
created_widget : QWidget
testing : bool
Returns
-------
value : bool
widget : QWidget
'''
orientation_str = stream.attributes().value("Orientation")
if orientation_str.startswith("-"):
orientation = Qt.Horizontal
elif orientation_str.startswith("|"):
orientation = Qt.Vertical
else:
return False, None
widget_count = int(stream.attributes().value("Count"))
if not widget_count:
return False, None
logger.debug('Restore NodeSplitter Orientation: %s WidgetCount: %s',
orientation, widget_count)
splitter = (None if testing else self.new_splitter(orientation))
visible = False
sizes = []
while stream.readNextStartElement():
child_node = None
if stream.name() == "Splitter":
result, child_node = self.restore_splitter(stream, testing)
if not result:
return False, None
elif stream.name() == "Area":
result, child_node = self.restore_dock_area(stream, testing)
if not result:
return False, None
elif stream.name() == "Sizes":
s_sizes = stream.readElementText().strip()
sizes = [int(sz) for sz in s_sizes.split(' ')]
logger.debug('Sizes: %s (from s_sizes: %s)', sizes, s_sizes)
else:
stream.skipCurrentElement()
if splitter is not None and child_node is not None:
logger.debug('ChildNode isVisible %s isVisibleTo %s',
child_node.isVisible(),
child_node.isVisibleTo(splitter))
splitter.addWidget(child_node)
visible |= child_node.isVisibleTo(splitter)
if len(sizes) != widget_count:
return False, None
if testing:
splitter = None
else:
if not splitter.count():
splitter.deleteLater()
splitter = None
else:
splitter.setSizes(sizes)
splitter.setVisible(visible)
return True, splitter