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30 lines
1.2 KiB
30 lines
1.2 KiB
from typing import Any, Callable, Dict, List, Optional, Union |
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from ..events import GenericEventArguments |
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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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def __init__(self, |
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options: Union[List, Dict], *, |
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value: Any = None, |
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on_change: Optional[Callable[..., Any]] = None, |
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) -> None: |
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"""Radio Selection |
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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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