Source code for ess.reduce.widgets
# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2024 Scipp contributors (https://github.com/scipp)
# ruff: noqa: E402, F401
from functools import singledispatch
from typing import Any, Protocol
import ipywidgets as widgets
from ..parameter import (
BooleanParameter,
FilenameParameter,
MultiFilenameParameter,
ParamWithOptions,
StringParameter,
Parameter,
ParamWithBounds,
BinEdgesParameter,
Vector2dParameter,
Vector3dParameter,
)
from ._config import default_layout, default_style
from ._binedges_widget import BinEdgesWidget
from ._linspace_widget import LinspaceWidget
from ._vector_widget import VectorWidget
from ._bounds_widget import BoundsWidget
from ._switchable_widget import SwitchWidget
from ._optional_widget import OptionalWidget
[docs]
class EssWidget(Protocol):
"""Protocol for ESS widgets.
All widgets should have a `value` property that returns the value of the widget.
It can be composed from multiple widgets.
```
"""
@property
def value(self) -> Any: ...
from collections.abc import Callable
from functools import wraps
[docs]
def switchable_widget(
func: Callable[[Parameter], widgets.Widget],
) -> Callable[[Parameter], widgets.Widget]:
"""Wrap a widget in a switchable widget."""
@wraps(func)
def wrapper(param: Parameter) -> widgets.Widget:
widget = func(param)
if param.switchable:
return SwitchWidget(widget, name=param.name)
return widget
return wrapper
[docs]
def optional_widget(
func: Callable[[Parameter], widgets.Widget],
) -> Callable[[Parameter], widgets.Widget]:
"""Wrap a widget in a optional widget."""
@wraps(func)
def wrapper(param: Parameter) -> widgets.Widget:
widget = func(param)
if param.optional:
return OptionalWidget(widget, name=param.name)
return widget
return wrapper
[docs]
@switchable_widget
@optional_widget # optional_widget should be applied first
@singledispatch
def create_parameter_widget(param: Parameter) -> widgets.Widget:
"""Create a widget for a parameter depending on the ``param`` type.
If the type of the parameter is not supported, a text widget is returned.
"""
return widgets.Text(
'', description=param.name, layout=default_layout, style=default_style
)
[docs]
@create_parameter_widget.register(BooleanParameter)
def boolean_parameter_widget(param: BooleanParameter):
name = param.name.split('.')[-1]
description = param.description
return widgets.Checkbox(
value=param.default,
description=name,
tooltip=description,
layout=default_layout,
style=default_style,
)
[docs]
@create_parameter_widget.register(StringParameter)
def string_parameter_widget(param: StringParameter):
name = param.name
description = param.description
if param.switchable:
return widgets.Text(
description=name,
tooltip=description,
layout=default_layout,
style=default_style,
)
else:
return widgets.Text(
value=param.default,
description=name,
tooltip=description,
layout=default_layout,
style=default_style,
)
[docs]
@create_parameter_widget.register(FilenameParameter)
def filename_parameter_widget(param: FilenameParameter):
return widgets.Text(
description=param.name,
layout=default_layout,
style=default_style,
value=param.default,
)
[docs]
@create_parameter_widget.register(MultiFilenameParameter)
def multi_filename_parameter_widget(param: MultiFilenameParameter):
return widgets.Text(
description=param.name,
layout=default_layout,
style=default_style,
value=param.default,
)
[docs]
@create_parameter_widget.register(ParamWithOptions)
def param_with_option_widget(param: ParamWithOptions):
return widgets.Dropdown(
description=param.name,
options=param.options,
layout=default_layout,
style=default_style,
)
[docs]
@create_parameter_widget.register(ParamWithBounds)
def param_with_bounds_widget(param: ParamWithBounds):
return BoundsWidget()
[docs]
@create_parameter_widget.register(BinEdgesParameter)
def bin_edges_parameter_widget(param: BinEdgesParameter):
return BinEdgesWidget(
name=param.name,
dim=param.dim,
start=param.start,
stop=param.stop,
nbins=param.nbins,
unit=param.unit,
log=param.log,
)
[docs]
@create_parameter_widget.register(Vector2dParameter)
def vector_2d_parameter_widget(param: Vector2dParameter):
return VectorWidget(name=param.name, variable=param.default, components="xy")
[docs]
@create_parameter_widget.register(Vector3dParameter)
def vector_3d_parameter_widget(param: Vector3dParameter):
return VectorWidget(name=param.name, variable=param.default, components="xyz")
__all__ = [
'BinEdgesWidget',
'BoundsWidget',
'EssWidget',
'LinspaceWidget',
'OptionalWidget',
'SwitchWidget',
'VectorWidget',
'create_parameter_widget',
]