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[github] Run observing listener if property changes from null to null (may be "different" nulls)

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Otherwise initial setting has no effect and component tree is not initialized properly
This commit is contained in:
Ivan Semenov
2019-01-10 15:12:54 +03:00
parent db73cb762f
commit 01ff008f7c
1 changed files with 1 additions and 1 deletions
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2
plugins/github/src/org/jetbrains/plugins/github/util/GithubUtil.kt
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@@ -105,7 +105,7 @@ object GithubUtil {
object Delegates {
inline fun <T> equalVetoingObservable(initialValue: T, crossinline onChange: (newValue: T) -> Unit) =
object : ObservableProperty<T>(initialValue) {
override fun beforeChange(property: KProperty<*>, oldValue: T, newValue: T) = oldValue != newValue
override fun beforeChange(property: KProperty<*>, oldValue: T, newValue: T) = newValue == null || oldValue != newValue
override fun afterChange(property: KProperty<*>, oldValue: T, newValue: T) = onChange(newValue)
}
}