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69 lines
2.6 KiB
69 lines
2.6 KiB
from __future__ import annotations |
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from typing import Any, Callable, Optional, Union, cast |
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from .. import globals # pylint: disable=redefined-builtin |
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from ..element import Element |
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from .mixins.disableable_element import DisableableElement |
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from .mixins.value_element import ValueElement |
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class Stepper(ValueElement): |
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def __init__(self, *, |
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value: Union[str, Step, None] = None, |
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on_value_change: Optional[Callable[..., Any]] = None, |
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) -> None: |
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"""Stepper |
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This element represents `Quasar's QStepper <https://quasar.dev/vue-components/stepper#qstepper-api>`_ component. |
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It contains individual steps. |
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:param value: `ui.step` or name of the step to be initially selected (default: `None` meaning the first step) |
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:param on_value_change: callback to be executed when the selected step changes |
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""" |
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super().__init__(tag='q-stepper', value=value, on_value_change=on_value_change) |
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def _value_to_model_value(self, value: Any) -> Any: |
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return value._props['name'] if isinstance(value, Step) else value # pylint: disable=protected-access |
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def on_value_change(self, value: Any) -> None: |
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super().on_value_change(value) |
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names = [step._props['name'] for step in self] # pylint: disable=protected-access |
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for i, step in enumerate(self): |
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done = i < names.index(value) if value in names else False |
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step.props(f':done={done}') |
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def next(self) -> None: |
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self.run_method('next') |
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def previous(self) -> None: |
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self.run_method('previous') |
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class Step(DisableableElement): |
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def __init__(self, name: str, title: Optional[str] = None, icon: Optional[str] = None) -> None: |
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"""Step |
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This element represents `Quasar's QStep <https://quasar.dev/vue-components/stepper#qstep-api>`_ component. |
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It is a child of a `ui.stepper` element. |
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:param name: name of the step (will be the value of the `ui.stepper` element) |
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:param title: title of the step (default: `None`, meaning the same as `name`) |
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:param icon: icon of the step (default: `None`) |
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""" |
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super().__init__(tag='q-step') |
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self._props['name'] = name |
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self._props['title'] = title if title is not None else name |
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if icon: |
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self._props['icon'] = icon |
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self.stepper = cast(ValueElement, globals.get_slot().parent) |
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if self.stepper.value is None: |
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self.stepper.value = name |
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class StepperNavigation(Element): |
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def __init__(self) -> None: |
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super().__init__('q-stepper-navigation')
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