43 lines
1.5 KiB
Plaintext
43 lines
1.5 KiB
Plaintext
class LifecycleLog {
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order: Object
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mounted: Object
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unmounted: Object
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parentMounted: Number
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childMounted: Number
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parentUnmounted: Number
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childUnmounted: Number
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latest: Object
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}
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class WatchedText: TextBlock {
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log: LifecycleLog
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function onMount(self: WatchedText, mount: Mount): Unit {
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self.log.order.increment()
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self.log.mounted.increment()
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self.log.childMounted = self.log.order.value
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self.log.latest.set(mount)
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self.setText("同一个对象，两个独立挂载位置")
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}
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function onUnmount(self: WatchedText, mount: Mount): Unit {
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self.log.order.increment()
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self.log.unmounted.increment()
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self.log.childUnmounted = self.log.order.value
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self.log.latest.set(mount)
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}
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}
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class WatchedColumn: Column {
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log: LifecycleLog
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function onMount(self: WatchedColumn, mount: Mount): Unit {
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self.log.order.increment()
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self.log.parentMounted = self.log.order.value
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}
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function onUnmount(self: WatchedColumn, mount: Mount): Unit {
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self.log.order.increment()
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self.log.parentUnmounted = self.log.order.value
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}
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}
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log = LifecycleLog(ui.state(0), ui.state(0), ui.state(0), 0, 0, 0, 0, ui.state(0))
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child = WatchedText("等待挂载", 2, log)
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root = WatchedColumn(24, 16, child, child, TextBlock("挂载次数"), ui.textOf(log.mounted, "value"), TextBlock("卸载次数"), ui.textOf(log.unmounted, "value"), log)
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page = Page()
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page.render(root)
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