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66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
from typing import Any, Literal
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from loguru import logger
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from ..data_service.data_service import DataService
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class NumberSlider(DataService):
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"""
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This class models a UI slider for a data service, allowing for adjustments of a
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parameter within a specified range and increments.
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Parameters:
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-----------
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value (float | int, optional):
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The initial value of the slider. Defaults to 0.
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min (int, optional):
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The minimum value of the slider. Defaults to 0.
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max (int, optional):
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The maximum value of the slider. Defaults to 100.
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step_size (float, optional):
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The increment/decrement step size of the slider. Defaults to 1.0.
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type (Literal["int"] | Literal["float"], optional):
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The type of the slider value. Determines if the value is an integer or float.
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Defaults to "float".
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Example:
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--------
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```python
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class MyService(DataService):
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voltage = NumberSlider(1, 0, 10, 0.1, "int")
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# Modifying or accessing the voltage value:
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my_service = MyService()
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my_service.voltage.value = 5
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print(my_service.voltage.value) # Output: 5
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```
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"""
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def __init__(
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self,
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value: float | int = 0,
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min: int = 0,
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max: int = 100,
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step_size: float = 1.0,
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type: Literal["int"] | Literal["float"] = "float",
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) -> None:
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self.min = min
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self.max = max
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self.step_size = step_size
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if type not in {"float", "int"}:
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logger.error(f"Unknown type '{type}'. Using 'float'.")
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type = "float"
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self._type = type
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self.value = value
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super().__init__()
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def __setattr__(self, name: str, value: Any) -> None:
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if name == "value":
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value = int(value) if self._type == "int" else float(value)
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return super().__setattr__(name, value)
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