Class LayerAlphaCell

图层透明度单元格组件类 - 用于显示图层透明度值的表格单元格

这个类继承自LitElement，专门用于在图层管理表格中显示透明度值。它提供了一个简单的文本显示界面，用于展示图层的透明度设置。

主要功能：

透明度显示 - 显示图层的透明度数值
居中对齐 - 在单元格中居中显示内容
空值处理 - 处理透明度值为空的情况
样式统一 - 与其他图层单元格保持一致的样式

LayerAlphaCell

Hierarchy (View Summary)

LitElement
- LayerAlphaCell

Constructors

constructor

new LayerAlphaCell(): LayerAlphaCell
Returns LayerAlphaCell
Inherited from LitElement.constructor
- Defined in vendor/lit-element-base.ts:635

Properties

`Static`styles

styles: r = ...

定义组件样式 - 使用静态属性

`Static`properties

properties: { tp: { type: NumberConstructor } } = ...

定义响应式属性 - 使用静态属性

tp

tp: number

renderRoot

renderRoot: any

Accessors

`Static`observedAttributes

get observedAttributes(): any[]
Returns any[]
Inherited from LitElement.observedAttributes
- Defined in vendor/lit-element-base.ts:103

updateComplete

get updateComplete(): any
Returns any
Inherited from LitElement.updateComplete
- Defined in vendor/lit-element-base.ts:306

Methods

render

render(): { _$litType$: any; strings: any; values: any[] }
渲染图层透明度单元格模板 - 定义图层透明度单元格的HTML结构

返回图层透明度单元格的HTML模板，包括：
1. 容器div
2. 内部span显示透明度值
Returns { _$litType$: any; strings: any; values: any[] }
图层透明度单元格的HTML模板
Overrides LitElement.render
- Defined in ui/Controls.ts:1015

`Static`addInitializer

addInitializer(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement.addInitializer
- Defined in vendor/lit-element-base.ts:100

`Static`createProperty

createProperty(
    t: any,
    e?: {
        attribute: boolean;
        type: StringConstructor;
        converter: {
            toAttribute(t: any, e: any): any;
            fromAttribute(t: any, e: any): any;
        };
        reflect: boolean;
        hasChanged: (t: any, e: any) => boolean;
    },
): void
Parameters
- t: any
- e: {
      attribute: boolean;
      type: StringConstructor;
      converter: {
          toAttribute(t: any, e: any): any;
          fromAttribute(t: any, e: any): any;
      };
      reflect: boolean;
      hasChanged: (t: any, e: any) => boolean;
  } = y
Returns void
Inherited from LitElement.createProperty
- Defined in vendor/lit-element-base.ts:106

`Static`getPropertyDescriptor

getPropertyDescriptor(
    t: any,
    e: any,
    s: any,
): {
    get(): any;
    set(e: any): void;
    configurable: boolean;
    enumerable: boolean;
}
Parameters
- t: any
- e: any
- s: any
Returns { get(): any; set(e: any): void; configurable: boolean; enumerable: boolean }
Inherited from LitElement.getPropertyDescriptor
- Defined in vendor/lit-element-base.ts:113

`Static`getPropertyOptions

getPropertyOptions(t: any): any
Parameters
- t: any
Returns any
Inherited from LitElement.getPropertyOptions
- Defined in vendor/lit-element-base.ts:137

`Static`_$Ei

_$Ei(): void
Returns void
Inherited from LitElement._$Ei
- Defined in vendor/lit-element-base.ts:140

`Static`finalize

finalize(): void
Returns void
Inherited from LitElement.finalize
- Defined in vendor/lit-element-base.ts:145

`Static`finalizeStyles

finalizeStyles(t: any): any[]
Parameters
- t: any
Returns any[]
Inherited from LitElement.finalizeStyles
- Defined in vendor/lit-element-base.ts:165

`Static`_$Eu

_$Eu(t: any, e: any): string
Parameters
- t: any
- e: any
Returns string
Inherited from LitElement._$Eu
- Defined in vendor/lit-element-base.ts:173

_$Ev

_$Ev(): void
Returns void
Inherited from LitElement._$Ev
- Defined in vendor/lit-element-base.ts:180

addController

addController(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement.addController
- Defined in vendor/lit-element-base.ts:184

removeController

removeController(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement.removeController
- Defined in vendor/lit-element-base.ts:188

_$E_

_$E_(): void
Returns void
Inherited from LitElement._$E_
- Defined in vendor/lit-element-base.ts:192

enableUpdating

enableUpdating(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement.enableUpdating
- Defined in vendor/lit-element-base.ts:217

attributeChangedCallback

attributeChangedCallback(t: any, e: any, s: any): void
Parameters
- t: any
- e: any
- s: any
Returns void
Inherited from LitElement.attributeChangedCallback
- Defined in vendor/lit-element-base.ts:225

_$EC

_$EC(t: any, e: any): void
Parameters
- t: any
- e: any
Returns void
Inherited from LitElement._$EC
- Defined in vendor/lit-element-base.ts:228

_$AK

_$AK(t: any, e: any): void
Parameters
- t: any
- e: any
Returns void
Inherited from LitElement._$AK
- Defined in vendor/lit-element-base.ts:237

requestUpdate

requestUpdate(t?: any, e?: any, s?: any): void
Parameters
- Optionalt: any
- Optionale: any
- Optionals: any
Returns void
Inherited from LitElement.requestUpdate
- Defined in vendor/lit-element-base.ts:249

P

P(t: any, e: any, s: any): void
Parameters
- t: any
- e: any
- s: any
Returns void
Inherited from LitElement.P
- Defined in vendor/lit-element-base.ts:255

_$ET

_$ET(): Promise<boolean>
Returns Promise<boolean>
Inherited from LitElement._$ET
- Defined in vendor/lit-element-base.ts:258

scheduleUpdate

scheduleUpdate(): void
Returns void
Inherited from LitElement.scheduleUpdate
- Defined in vendor/lit-element-base.ts:268

performUpdate

performUpdate(): void
Returns void
Inherited from LitElement.performUpdate
- Defined in vendor/lit-element-base.ts:271

willUpdate

willUpdate(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement.willUpdate
- Defined in vendor/lit-element-base.ts:295

_$AE

_$AE(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement._$AE
- Defined in vendor/lit-element-base.ts:296

_$EU

_$EU(): void
Returns void
Inherited from LitElement._$EU
- Defined in vendor/lit-element-base.ts:303

getUpdateComplete

getUpdateComplete(): any
Returns any
Inherited from LitElement.getUpdateComplete
- Defined in vendor/lit-element-base.ts:309

shouldUpdate

shouldUpdate(t: any): boolean
Parameters
- t: any
Returns boolean
Inherited from LitElement.shouldUpdate
- Defined in vendor/lit-element-base.ts:312

updated

updated(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement.updated
- Defined in vendor/lit-element-base.ts:318

firstUpdated

firstUpdated(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement.firstUpdated
- Defined in vendor/lit-element-base.ts:319

createRenderRoot

createRenderRoot(): ShadowRoot
Returns ShadowRoot
Inherited from LitElement.createRenderRoot
- Defined in vendor/lit-element-base.ts:640

update

update(t: any): void
Parameters
- t: any
Returns void
Inherited from LitElement.update
- Defined in vendor/lit-element-base.ts:645

connectedCallback

connectedCallback(): void
Returns void
Inherited from LitElement.connectedCallback
- Defined in vendor/lit-element-base.ts:657

disconnectedCallback

disconnectedCallback(): void
Returns void
Inherited from LitElement.disconnectedCallback
- Defined in vendor/lit-element-base.ts:661