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bec_widgets/bec_widgets/widgets/dock/dock.py
T

270 lines
8.3 KiB
Python

from __future__ import annotations
from typing import TYPE_CHECKING, Literal, Optional
from pydantic import Field
from pyqtgraph.dockarea import Dock
from bec_widgets.cli.rpc_wigdet_handler import RPCWidgetHandler
from bec_widgets.utils import BECConnector, ConnectionConfig, GridLayoutManager
if TYPE_CHECKING:
from qtpy.QtWidgets import QWidget
from bec_widgets.widgets import BECDockArea
class DockConfig(ConnectionConfig):
widgets: dict[str, ConnectionConfig] = Field({}, description="The widgets in the dock.")
position: Literal["bottom", "top", "left", "right", "above", "below"] = Field(
"bottom", description="The position of the dock."
)
parent_dock_area: Optional[str] = Field(
None, description="The GUI ID of parent dock area of the dock."
)
class BECDock(BECConnector, Dock):
USER_ACCESS = [
"rpc_id",
"widget_list",
"show_title_bar",
"hide_title_bar",
"get_widgets_positions",
"set_title",
"add_widget_bec",
"list_eligible_widgets",
"move_widget",
"remove_widget",
"remove",
"attach",
"detach",
]
def __init__(
self,
parent: QWidget | None = None,
parent_dock_area: BECDockArea | None = None,
config: DockConfig | None = None,
name: str | None = None,
client=None,
gui_id: str | None = None,
**kwargs,
) -> None:
if config is None:
config = DockConfig(
widget_class=self.__class__.__name__, parent_dock_area=parent_dock_area.gui_id
)
else:
if isinstance(config, dict):
config = DockConfig(**config)
self.config = config
super().__init__(client=client, config=config, gui_id=gui_id)
Dock.__init__(self, name=name, **kwargs)
self.parent_dock_area = parent_dock_area
# Layout Manager
self.layout_manager = GridLayoutManager(self.layout)
def dropEvent(self, event):
source = event.source()
old_area = source.area
self.setOrientation("horizontal", force=True)
super().dropEvent(event)
if old_area in self.parent_dock_area.tempAreas and old_area != self.parent_dock_area:
self.parent_dock_area.removeTempArea(old_area)
def float(self):
"""
Float the dock.
Overwrites the default pyqtgraph dock float.
"""
# need to check if the dock is temporary and if it is the only dock in the area
# fixes bug in pyqtgraph detaching
if self.area.temporary == True and len(self.area.docks) <= 1:
return
elif self.area.temporary == True and len(self.area.docks) > 1:
self.area.docks.pop(self.name(), None)
super().float()
else:
super().float()
@property
def widget_list(self) -> list:
"""
Get the widgets in the dock.
Returns:
widgets(list): The widgets in the dock.
"""
return self.widgets
@widget_list.setter
def widget_list(self, value: list):
self.widgets = value
def hide_title_bar(self):
"""
Hide the title bar of the dock.
"""
# self.hideTitleBar() #TODO pyqtgraph looks bugged ATM, doing my implementation
self.label.hide()
self.labelHidden = True
def show_title_bar(self):
"""
Hide the title bar of the dock.
"""
# self.showTitleBar() #TODO pyqtgraph looks bugged ATM, doing my implementation
self.label.show()
self.labelHidden = False
def set_title(self, title: str):
"""
Set the title of the dock.
Args:
title(str): The title of the dock.
"""
self.parent_dock_area.docks[title] = self.parent_dock_area.docks.pop(self.name())
self.setTitle(title)
def get_widgets_positions(self) -> dict:
"""
Get the positions of the widgets in the dock.
Returns:
dict: The positions of the widgets in the dock as dict -> {(row, col, rowspan, colspan):widget}
"""
return self.layout_manager.get_widgets_positions()
def list_eligible_widgets(
self,
) -> list: # TODO can be moved to some util mixin like container class for rpc widgets
"""
List all widgets that can be added to the dock.
Returns:
list: The list of eligible widgets.
"""
return list(RPCWidgetHandler.widget_classes.keys())
def add_widget_bec(
self,
widget_type: str,
row=None,
col=0,
rowspan=1,
colspan=1,
shift: Literal["down", "up", "left", "right"] = "down",
):
"""
Add a widget to the dock.
Args:
widget_type(str): The widget to add. Only BEC RPC widgets from RPCWidgetHandler are allowed.
row(int): The row to add the widget to. If None, the widget will be added to the next available row.
col(int): The column to add the widget to.
rowspan(int): The number of rows the widget should span.
colspan(int): The number of columns the widget should span.
shift(Literal["down", "up", "left", "right"]): The direction to shift the widgets if the position is occupied.
"""
if row is None:
row = self.layout.rowCount()
if self.layout_manager.is_position_occupied(row, col):
self.layout_manager.shift_widgets(shift, start_row=row)
widget = RPCWidgetHandler.create_widget(widget_type)
self.addWidget(widget, row=row, col=col, rowspan=rowspan, colspan=colspan)
return widget
def add_widget(
self,
widget: QWidget,
row=None,
col=0,
rowspan=1,
colspan=1,
shift: Literal["down", "up", "left", "right"] = "down",
):
"""
Add a widget to the dock.
Args:
widget(QWidget): The widget to add.
row(int): The row to add the widget to. If None, the widget will be added to the next available row.
col(int): The column to add the widget to.
rowspan(int): The number of rows the widget should span.
colspan(int): The number of columns the widget should span.
shift(Literal["down", "up", "left", "right"]): The direction to shift the widgets if the position is occupied.
"""
if row is None:
row = self.layout.rowCount()
if self.layout_manager.is_position_occupied(row, col):
self.layout_manager.shift_widgets(shift, start_row=row)
self.addWidget(widget, row=row, col=col, rowspan=rowspan, colspan=colspan)
def move_widget(self, widget: QWidget, new_row: int, new_col: int):
"""
Move a widget to a new position in the layout.
Args:
widget(QWidget): The widget to move.
new_row(int): The new row to move the widget to.
new_col(int): The new column to move the widget to.
"""
self.layout_manager.move_widget(widget, new_row, new_col)
def attach(self):
"""
Attach the dock to the parent dock area.
"""
self.parent_dock_area.removeTempArea(self.area)
def detach(self):
"""
Detach the dock from the parent dock area.
"""
self.float()
def remove_widget(self, widget_rpc_id: str):
"""
Remove a widget from the dock.
Args:
widget_rpc_id(str): The ID of the widget to remove.
"""
widget = self.rpc_register.get_rpc_by_id(widget_rpc_id)
self.layout.removeWidget(widget)
widget.close()
def remove(self):
"""
Remove the dock from the parent dock area.
"""
# self.cleanup()
self.parent_dock_area.remove_dock(self.name())
def cleanup(self):
"""
Clean up the dock, including all its widgets.
"""
for widget in self.widgets:
if hasattr(widget, "cleanup"):
widget.cleanup()
super().cleanup()
def close(self):
"""
Close the dock area and cleanup.
Has to be implemented to overwrite pyqtgraph event accept in Container close.
"""
self.cleanup()
super().close()