OptionalPageOutput<T, ARG> class

分页业务单元

Inheritance

• Object
• BaseIO<List<T>?>
• Output<List<T>?, int>
• OptionalListOutput<T, int>
• OptionalPageOutput

Mixed in types

• OptionalPageMixin<T, ARG>

Constructors

OptionalPageOutput({List<T>? seedValue, required String semantics, bool sync = true, bool isBehavior = true, int? initPage, bool receiveFullData = true, bool printLog = true, int? forceCapacity, required PageFetchCallback<List<T>, ARG?> pageFetch, List<T>? onReset()?, PersistConfig<List<T>?>? persistConfig, bool skipError = false, MergeListCallback<T>? onMergeList, NoMoreDataCallback<T>? isNoMoreData})

Properties

currentPage → int

当前页数

no setter, inherited

future → Future<List<T>?>

输出Future

no setter, inherited

hashCode → int

The hash code for this object.

no setter, inherited

hasMoreData → bool

是否还有更多数据

no setter, inherited

inLoading → bool

是否在加载中

no setter, inherited

isDisposed → bool

no setter, inherited

isFirstPage → bool

当前是否是第一页

no setter, inherited

latest ↔ List<T>?

最新的值

getter/setter pair, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

stream ↔ Stream<List<T>?>

输出Stream

getter/setter pair, inherited

Methods

addError(Object error, [StackTrace? stackTrace]) → void

inherited

append(T element, {bool fromHead = false}) → T?

追加, 并发射

inherited

appendAll(List<T> elements, {bool fromHead = false}) → List<T>?

追加一个list, 并发射

inherited

dispose() → void

关闭流

inherited

distinct([bool test(List<T>? previous, List<T>? next)?]) → Stream<List<T>?>

inherited

filterItem(bool test(T element)) → List<T>?

按条件过滤, 并发射过滤后的数据

inherited

first([bool cancelSubscription = false]) → Future<List<T>?>

输出Future, cancelSubscription决定是否取消订阅

inherited

flatMap<S>(S mapper(T value)) → Stream<List<S>>

对list的item做变换之后重新组成list

inherited

forEach(ValueChanged<T> action) → List<T>?

对元素逐个执行操作后, 重新发射

inherited

invalidate([List<T>? newData]) → void

重新发送数据 用户修改数据后刷新的场景

inherited

listen(ValueChanged<List<T>?> listener, {Function? onError, VoidCallback? onDone, bool? cancelOnError}) → StreamSubscription<List<T>?>

监听流

inherited

loadMore([ARG? args]) → Future<bool>

请求下一页数据

inherited

loadPage(int page, [ARG? args]) → Future<void>

请求指定页数的数据

inherited

map<S>(S convert(List<T>? event)) → Stream<S>

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

refresh([ARG? args]) → Future<List<T>?>

刷新列表

inherited

remove(T element) → T?

删除一个的元素, 并发射

inherited

removeAt(int index) → T?

删除指定索引的元素, 并发射

inherited

removeBatch(Iterable<T> elements) → Iterable<T>?

删除一组的元素, 并发射

inherited

removeFirst() → T?

删除第一个的元素, 并发射

inherited

removeLast() → T?

删除最后一个的元素, 并发射

inherited

removeWhere(bool test(T t)) → void

删除指定条件的元素

inherited

replace(int index, T element) → T?

替换指定index的元素, 并发射

inherited

replaceFirst(T element) → T?

替换第一个的元素, 并发射

inherited

replaceLast(T element) → T?

替换最后一个的元素, 并发射

inherited

reset() → void

清理保存的值, 恢复成初始状态

inherited

runtimeSummary() → String

运行时概要

inherited

sample(Duration duration) → Stream<List<T>?>

inherited

search(IO<String> keyword, {required SearchCallback<T> by}) → Stream<List<T>>

搜索关键字

inherited

select(T? target, {bool isRadio = true}) → List<T>?

对target进行单选操作, 如果T不为Selectable则什么都不做, 直接透传

inherited

selectIndex(int index) → List<T>?

对index处进行单选操作, 如果T不为Selectable则什么都不做, 直接透传

inherited

toString() → String

A string representation of this object.

inherited

update([int? arg]) → Future<List<T>?>

这里标记为protected, 防止被外部引用, 应该使用refresh方法

override

where(bool test(List<T>? event)) → Stream<List<T>?>

inherited

whereNotEmpty() → Stream<List<T>>

转换为非空流

inherited

whereNotNull() → Stream<List<T>>

转换为非空流

inherited

whereType<R>() → Stream<R>

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

defaultInitialPage ↔ int?

getter/setter pair