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