setFocus 设置焦点

setFocus

类型: MethodDeclaration

所属类: CommandFunctionList

定义位置: command.ts

描述

设置焦点

参数

参数名	类型	描述	默认值
\{operation, element, mode, cancelable\}	`{
operation: string
element?: ElementGetter
mode?: FocusMode
cancelable?: boolean
}`	-	-

返回值

类型: CommandFunction

源代码

位置: 第 5018 行

protected setFocus({operation, element, mode, cancelable}: {
    operation: string
    element?: ElementGetter
    mode?: FocusMode
    cancelable?: boolean
  }): CommandFunction {
    switch (operation) {
      case 'add': {
        // 补丁：2023-3-21
        if (mode === undefined) {
          mode = 'control-child-buttons'
        }
        const getElement = Command.compileElement(element!)
        return () => {
          const element = getElement()
          if (element) {
            element.focusMode = mode
            element.focusCancelable = cancelable
            UI.addFocus(element)
          }
          return true
        }
      }
      case 'remove': {
        const getElement = Command.compileElement(element!)
        return () => {
          const element = getElement()
          if (element) {
            UI.removeFocus(element)
          }
          return true
        }
      }
      case 'remove-latest':
        return () => {
          UI.removeLatestFocus()
          return true
        }
      case 'reset':
        return () => {
          UI.resetFocuses()
          return true
        }
    }
    throw new Error('Compiling Error')
  }

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文档生成时间：2025/7/21 20:53:39