35 lines
1.4 KiB
Python
35 lines
1.4 KiB
Python
from typing import Any
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from ..defaults import DEFAULT_PROPS, resolve_defaults
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from ..events import GenericEventArguments, Handler, ValueChangeEventArguments
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from .choice_element import ChoiceElement
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from .mixins.disableable_element import DisableableElement
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class Radio(ChoiceElement, DisableableElement):
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@resolve_defaults
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def __init__(self,
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options: list | dict, *,
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value: Any = DEFAULT_PROPS['model-value'] | None,
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on_change: Handler[ValueChangeEventArguments] | None = None,
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) -> None:
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"""Radio Selection
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This element is based on Quasar's `QOptionGroup <https://quasar.dev/vue-components/option-group>`_ component.
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The options can be specified as a list of values, or as a dictionary mapping values to labels.
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After manipulating the options, call `update()` to update the options in the UI.
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:param options: a list ['value1', ...] or dictionary `{'value1':'label1', ...}` specifying the options
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:param value: the initial value
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:param on_change: callback to execute when selection changes
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"""
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super().__init__(tag='q-option-group', options=options, value=value, on_change=on_change)
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def _event_args_to_value(self, e: GenericEventArguments) -> Any:
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return self._values[e.args]
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def _value_to_model_value(self, value: Any) -> Any:
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return self._values.index(value) if value in self._values else None
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