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setPointerEventRoot 设置指针事件根元素

setPointerEventRoot

类型: MethodDeclaration

所属类: CommandFunctionList

定义位置: command.ts

描述

设置指针事件根元素

参数

参数名类型描述默认值
\{operation, element\}`{
operation: string
element?: ElementGetter
}`--

返回值

类型: CommandFunction

源代码

位置: 第 4974 行

protected setPointerEventRoot({operation, element}: {
operation: string
element?: ElementGetter
}): CommandFunction {
// 补丁:2023-3-19
if (operation === 'set') {
operation = 'add'
}
switch (operation) {
case 'add': {
const getElement = Command.compileElement(element!)
return () => {
const element = getElement()
if (element) {
UI.addPointerEventRoot(element)
}
return true
}
}
case 'remove': {
const getElement = Command.compileElement(element!)
return () => {
const element = getElement()
if (element) {
UI.removePointerEventRoot(element)
}
return true
}
}
case 'remove-latest':
return () => {
UI.removeLatestPointerEventRoot()
return true
}
case 'reset':
return () => {
UI.resetPointerEventRoots()
return true
}
}
throw new Error('Compiling Error')
}

文档生成时间:2025/7/7 12:07:06