2025-08-15 16:34:37 +08:00
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from typing import Generic, TypeVar
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from typing_extensions import Self
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from pydantic import BaseModel
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T_DataModel = TypeVar("T_DataModel", bound=BaseModel)
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class BaseBuilder(Generic[T_DataModel]):
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"""所有UI构建器的基类,提供通用的样式化和构建逻辑。"""
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def __init__(self, data_model: T_DataModel, template_name: str):
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self._data: T_DataModel = data_model
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self._style_name: str | None = None
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self._template_name = template_name
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2025-08-18 23:08:22 +08:00
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self._inline_style: dict | None = None
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self._extra_css: str | None = None
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@property
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def data(self) -> T_DataModel:
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return self._data
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2025-08-15 16:34:37 +08:00
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def with_style(self, style_name: str) -> Self:
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"""
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为组件应用一个特定的样式。
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"""
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self._style_name = style_name
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return self
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2025-08-18 23:08:22 +08:00
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def with_inline_style(self, style: dict[str, str]) -> Self:
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2025-08-15 16:34:37 +08:00
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"""
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2025-08-18 23:08:22 +08:00
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为组件的根元素应用动态的内联样式。
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参数:
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style: 一个CSS样式字典,例如 {"background-color":"#fff","font-size":"16px"}
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"""
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self._inline_style = style
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return self
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def with_extra_css(self, css: str) -> Self:
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"""
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向页面注入一段自定义的CSS样式字符串。
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参数:
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css: 包含CSS规则的字符串。
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"""
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self._extra_css = css
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return self
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def build(self) -> T_DataModel:
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"""
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构建并返回配置好的数据模型。
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2025-08-15 16:34:37 +08:00
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"""
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if self._style_name and hasattr(self._data, "style_name"):
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setattr(self._data, "style_name", self._style_name)
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2025-08-18 23:08:22 +08:00
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return self._data
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