PopupValueNotifier class
监听控制器,关联视图和数据,并完成自定义方法的写入
- Inheritance
-
- Object
- ChangeNotifier
- ValueNotifier<
PopupState> - PopupValueNotifier
Constructors
- PopupValueNotifier(PopupState state)
-
PopupValueNotifier.titles(List<
SpinnerData> titles) -
标题初始化
factory
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
-
items
→ List<
SpinnerData> -
no setter
- link → LayerLink
-
CompositedTransformFollower
的link
final -
orginItems
→ List<
SpinnerData> -
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
status
→ List<
bool> -
保存每个选项卡对应的视图是否打开
final
-
targetKey
→ GlobalKey<
State< StatefulWidget> > -
用于记录
CompositedTransformFollower
位置final - value ↔ PopupState
-
The current value stored in this notifier.
getter/setter pairinherited
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
closed(
) → void - 关闭弹窗
-
dispose(
) → void -
Discards any resources used by the object. After this is called, the
object is not in a usable state and should be discarded (calls to
addListener will throw after the object is disposed).
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
reset(
{bool needClose = true}) → void - 清空已选择项
-
setHighlight(
bool isHightlight, [int? index]) → void -
外部设置某一个选项卡仅高亮显示(优先级最高)
index
高亮下标,默认为当前点击的下标 -
spinnerRect(
) → Rect - 获取当前筛选框头部的坐标信息
-
toString(
) → String -
A string representation of this object.
inherited
-
updateName(
String name, {bool needClose = true, int? index}) → void -
更新选项卡标题名称
name
选项卡名称(需要显示的名称,任意值)index
高亮下标,默认为当前点击选项卡的下标needClose
是否关闭弹窗 -
updateSelected(
int index) → void - 设置选中
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited