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Component

Struct Component 

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pub struct Component { /* private fields */ }
Expand description

组件系统相关功能 组件结构体

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impl Component

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pub fn new( component_type: ComponentType, id: &str, style: Style, properties: ComponentProperties, ) -> Self

创建新的组件

§参数
  • component_type: 组件类型
  • id: 组件ID
  • style: 组件样式
  • properties: 组件属性
§返回值

组件实例

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pub fn add_child(&mut self, child: Component)

添加子组件

§参数
  • child: 子组件
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pub fn get_child(&self, id: &str) -> Option<&Component>

获取子组件

§参数
  • id: 子组件ID
§返回值

子组件引用

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pub fn get_child_mut(&mut self, id: &str) -> Option<&mut Component>

获取可变子组件

§参数
  • id: 子组件ID
§返回值

可变子组件引用

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pub fn set_text(&mut self, text: &str)

设置文本内容

§参数
  • text: 文本内容
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pub fn set_enabled(&mut self, enabled: bool)

设置是否启用

§参数
  • enabled: 是否启用
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pub fn set_visible(&mut self, visible: bool)

设置是否可见

§参数
  • visible: 是否可见
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pub fn set_checked(&mut self, checked: bool)

设置是否选中

§参数
  • checked: 是否选中
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pub fn set_value(&mut self, value: JsonValueNode)

设置值

§参数
  • value: 值
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pub fn component_type(&self) -> &ComponentType

获取组件类型

§返回值

组件类型

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pub fn id(&self) -> &str

获取组件ID

§返回值

组件ID

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pub fn style(&self) -> &Style

获取组件样式

§返回值

组件样式引用

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pub fn style_mut(&mut self) -> &mut Style

获取可变组件样式

§返回值

可变组件样式引用

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pub fn properties(&self) -> &ComponentProperties

获取组件属性

§返回值

组件属性引用

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pub fn properties_mut(&mut self) -> &mut ComponentProperties

获取可变组件属性

§返回值

可变组件属性引用

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pub fn children(&self) -> &Vec<Component>

获取子组件列表

§返回值

子组件列表引用

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pub fn children_mut(&mut self) -> &mut Vec<Component>

获取可变子组件列表

§返回值

可变子组件列表引用

Trait Implementations§

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impl Debug for Component

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more