states_rebuilder 1.14.2 changelog

1.14.2 (2020-02-28) #

Add ReactiveModel<T>.stream(T stream) and ReactiveModel<T>.future(T future) to create a ReactiveModel from a stream or future.
Override the toString method of the ReactiveModel to give an informative debug print.
Refactor the code.

1.14.1 (2020-02-25) #

Add ReactiveModel<T>() factory constructor. it is equivalent to Injector.getAsReactive(<T>). You will save nine key stroke and it looks more readable.

//You can use the long form
final fooRM = Injector.getAsReactive<Foo>();
//Or the new way:
final fooRM = ReactiveModel<Foo>();

for example instead of :

StateBuilder<Foo>(
  models:[Injector.getAsReactive<Foo>()],
  builder:(context, fooRM){

  }
)

you write:

StateBuilder<Foo>(
  models:[ReactiveModel<Foo>()],
  builder:(context, fooRM){

  }
)

Add shouldOnInitState to OnSEtStateListener: Usually onSetState and its equivalent onData, onError are invoked only if the observable reactive model emits a notification. This means they are not invoked in the initState method. shouldOnInitState is an optional bool parameter and when se to true the onSetState method will be called from the initState method.
Add onData to WhenRebuilderOr
Fix issue #52 and #55.
Add tests to examples (Easiness of test, is a sign of good code).

1.14.0 (2020-02-18) #

Add resetToIdle and resetToHasData methods to the ReactiveModel. use case examples:

Use it with getAsReactive so that each time the reactive model is obtained, it will be obtained with the desired asynchronous state, whatever its value before.

final fooRM = Injector.getAsReactive<Foo>()..resetToIdle();
//you can combine it with asNew
final fooRM = Injector.getAsReactive<Foo>().asNew('mySeed')..resetToIdle();

Use it if the reactive model throws an error, and you want something like clearing the error.

fooRM.setState(
  (s) => s.someMethod(),
  onError: (context, error) async {
    //awaiting the alert dialog
    await showDialog(
      context: context,
      builder: (context){
        ///
      }
    );
    //clearing the error.
    fooRM.resetToHasData();
  },
)

Add Injector.enableTestMode static bool field. Set it to true in tests to inject fake dependency. ex: Let's suppose we have the widget.

Import 'my_real_model.dart';
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Injector(
      inject: [Inject(() => MyRealModel())],
      builder: (context) {
        final myRealModelRM = Injector.getAsReactive<MyRealModel>();

        // your widget
      },
    );
  }
}

MyApp widget depends on MyRealModel.

To mock MyRealModel and test MyApp we set Injector.enableTestMode to true :

testWidgets('Test MyApp class', (tester) async {
  //set enableTestMode to true
  Injector.enableTestMode = true;
  await tester.pumpWidget(
    Injector(
      //Inject the fake model and register it with the real model type
      inject: [Inject<MyRealModel>(() => MyFakeModel())],
      builder: (context) {
        //In my MyApp, Injector.get or Inject.getAsReactive will return the fake model instance
        return MyApp();
      },
    ),
  );

  //My test
});

//fake model implement real model
class MyFakeModel extends MyRealModel {
  // fake implementation
}

See real test of the counter_app_with_error and counter_app_with_refresh_indicator.

Add tag and onWaiting parameters to OnSetStateListener widget.
Add tag parameter to WhenRebuild and WhenRebuildOr widgets
Improve the logic of setValue and setState. Now setValue has all the functionalities of setState.

1.13.0 (2020-02-12) #

Add static variable Injector.env and Inject.interface named constructor so that you can register under different environments.

ex:

//abstract class
abstract class ConfigInterface {}

// first prod implementation
class ProdConfig extends ConfigInterface {}

//second dev implementation
class DevConfig extends ConfigInterface {}

//enum for defined flavor
enum Flavor { Prod, Dev }


void main() {
  //Choose yor environment flavor
  Injector.env = Flavor.Dev;

  runApp(
    Injector(
      inject: [
        //Register against an interface with different flavor
        Inject<ConfigInterface>.interface({
          Flavor.Prod: ()=>ProdConfig(),
          Flavor.Dev:()=>DevConfig(),
        }),
      ],
      builder: (_){
        return MyApp(
          appTitle: Injector.get<ConfigInterface>().appDisplayName;
        );
      },
    )
  );
}

StateBuilder<T>, WhenRebuilder<T> and OnSetStateListener<T> observer widgets can be set to observer many observable reactive models. The exposed model instance depends on the generic parameter T. ex:

//first case : generic model is ModelA
StateBuilder<ModelA>(
  models:[modelA, modelB],
  builder:(context, exposedModel){
    //exposedModel is an instance of ReactiveModel<ModelA>.
  }
)
//second case : generic model is ModelB
StateBuilder<ModelB>(
  models:[modelA, modelB],
  builder:(context, exposedModel){
    //exposedModel is an instance of ReactiveModel<ModelB>.
  }
)
//third case : generic model is dynamic
StateBuilder(
  models:[modelA, modelB],
  builder:(context, exposedModel){
    //exposedModel is dynamic and it will change over time to hold the instance of model that emits a notification.
    
    //If modelA emits a notification the exposedModel == ReactiveModel<ModelA>.
    //Wheres if modelB emits a notification the exposedModel == ReactiveModel<ModelB>.
  }
)

Add WhenRebuilderOr. It is equivalent to WhenRebuilder but with optional onIdle, onWaiting and onError parameters and with required default builder.

1.12.1 (2020-02-.3) #

Add Continuous Integration and code coverage support.
Improve test coverage.

1.12.0 (2020-01-30) #

Add ReactiveModel<T>.create(T value) to create a ReactiveModel from a primitive value. The created ReactiveModel has the full power the other reactive models created using Injector have. ex: This is a simple counter app:

class App extends StatelessWidget {
  //Create a reactiveModel<int> with initial value and assign it to counterRM  filed.
  final counterRM = ReactiveModel.create(0);
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: Center(
          // Subscribe StateBuilder widget ot counterRM
          child: StateBuilder(
            models: [counterRM],
            builder: (context, _) {
              return Text('${counterRM.value}');
            },
          ),
        ),
        floatingActionButton: FloatingActionButton(
          child: Icon(Icons.add),
          //set the value of the counterRM and notify observers.
          onPressed: () => counterRM.setValue(() => counterRM.value + 1),
        ),
      ),
    );
  }
}

Add WhenRebuilder widget. It is a shortcut of using SateBuilder to subscribe to an observable model and use ReactiveModel.whenConnectionState method to exhaustively switch over all the possible statuses of connectionState.

instead of:

Widget build(BuildContext context) {
    return StateBuilder<PlugIn1>(
      models: [Injector.getAsReactive<PlugIn1>()],
      builder: (_, plugin1RM) {
        return plugin1RM.whenConnectionState(
          onIdle: () => Text('onIDle'),
          onWaiting: () => CircularProgressIndicator(),
          onError: (error) => Text('plugin one has an error $error'),
          onData: (plugin1) => Text('plugin one is ready'),
        );
      },
    );
}

You use :

@override
Widget build(BuildContext context) {
  return WhenRebuilder<PlugIn1>(
    models: [Injector.getAsReactive<PlugIn1>()],
    onIdle: () => Text('onIdle'),
    onWaiting: () => CircularProgressIndicator(),
    onError: (error) => Text('plugin one has an error $error'),
    onData: (plugin1) => Text('plugin one is ready'),
  );
}

As a good side effect of using WhenRebuilder, you can subscribe to many observable models and a combination status is exposed so that onData will not be invoked only after all observable models have data.

ex:

  final plugin1RM = Injector.getAsReactive<PlugIn1>();
  final plugin2RM = Injector.getAsReactive<PlugIn2>();
  @override
  Widget build(BuildContext context) {
    return WhenRebuilder<PlugIn1>(
      models: [plugin1RM, plugin2RM],
      onIdle: () => Text('onIDle'),
      //onWaiting is called if any models is in the waiting state
      onWaiting: () => CircularProgressIndicator(),
      // onError will be called with the thrown error, if any of the observed models throws.
      onError: (error) => Text('plugin1 or plugin2  has an error $error'),
      //onData is called when all observable models have data
      onData: (plugin1) => Text('plugin1 and plugin2  are both ready'),
    );
  }

Add OnSetStateListener widget to handle side effects. It subscribes to a list of observable models and listen to them and execute the corresponding onData or onError side effects.
Add value getter and ReactiveModel.setValue method. They are the counterpart of the state getter and ReactiveModel.setState method respectively. They are more convenient to use with primitive values and immutable objects.
Add ReactiveModel.asNew([dynamic seed]) to create new reactive instance.
Replace setState.joinSingletonWith in with the bool parameter setState.joinSingleton.
A huge Refactor of the code. I have written the code from the ground using Test Driven Design principles. Now the cod is cleaner, shorter, and more effective.

1.11.2 (2020-01-10) #

Add the static method StatesRebuilderDebug.printInjectedModel() to debugPrint all registered model in the service locator.
Add the static method StatesRebuilderDebug.printObservers(observable) to )debugPrint all subscribed observers to the provided observable.
Refactor watch logic to work with asynchronous tasks as well as with List, Map, Set types.

1.11.1 (2020-01-05) #

Add onData(BuildContext, T) parameter to setState method. It is a shortcut to:
```
onSetState(context){
  if(reactiveModel.hasData){
    .....
  }
}
```

1.11.0 (2020-01-05) #

Inject.get for injected streams and future will no longer throw, it will return the the current value.
If whenConnectionState is defined, catchError is set true automatically.
Add watch parameter to StateBuilder widget and. watch allows to link the rebuild process to the variation of a set of variables.(Experimental feature).
Remove deprecated getAsModel and hasState.
Update docs and add Dependency Injection section in the readme file.

1.10.0 (2019-12-30) #

Add whenConnectionState method to the ReactiveModel. IT exhaustively switch over all the possible statuses of connectionState. Used mostly to return a Widget. (Pul request of ResoCoder).

1.9.0 (2019-12-28) #

Add assertion error helpful messages.
Add isIdle getter to the ReactiveModel as a shortcut to : connectionState == ConnectionState.none
Add isWaiting getter to the ReactiveModel as a shortcut to : connectionState == ConnectionState.waiting
Add onError(BuildContext, dynamic) parameter to setState method.
Add joinSingletonToNewData parameter to setState method.
Refactor codes to remove bugs and to use Flutter 1.12 version.

1.8.0 (2019-12-06) #

1- Add the following features: (See readme fille).

onSetState and onRebuildState parameters to the StateBuilder.
The BuildContext is the default tag of StateBuilder.
JoinSingleton, inheritedInject, initialCustomStateStatus parameters to Inject
reinject and getAsReactive to Injector. 2- Remove the following parameters:(Breaking changes)
tagID parameter from StateBuilder. before

StateBuilder(
  builder: (BuildContext context, String tagID){
    // code
  }
)

after

StateBuilder<T>(
  models: [firstModel, secondModel],
  builder: (BuildContext context, ReactiveModel<T> model){
    /// No more need for the `tagID` because the `context` is used as `tagID`.
    /// the model is the first instance (firstModel) in the list of the [models] parameter.
    /// If the parameter [models] is not provided then the model will be a new reactive instance
    /// See readme file for more information
  }
)

The model parameter of the Injector.builder method. before

Injector(
  builder: (BuildContext context, T model){
    // code
  }
)

after

Injector(
  builder: (BuildContext context){
    // no need for model parameter. It has less boilerplate.
  }
)

Injector.getAsModel, StateBuilder.viewModel and StatesRebuilder.hasState are deprecated, and replaced by Injector.getAsReactive, StateBuilder.models and StatesRebuilder.hasObservers respectively.

1.7.0 (2019-11-14) #

1- Add onSetState parameter to the setState method to define a callback to be executed after state mutation. The callBack takes the context so you can push/pop routes, show dialogs or snackBar. (see example folder).

2- Add catchError parameter to the setState method to define whether to catch error while mutining the state or not.(see example folder). If an error is thrown, hasError getter is true and the error can be obtained via the error getter (see point 5 below).

3- Add the getter connectionState to the ModelStatesRebuilder<T>to get the asynchronous status of the state. it can be ConnectionState.none before executing the Future, ConnectionState.waiting while waiting for the Future and ConnectionState.done after resolving the Future.

4- Add the field stateStatus to the ModelStatesRebuilder<T> class. It allows defining a custom status of the state other than those defined by the connectionState getter.

5- add the getter hasError, hasData and error to the ModelStatesRebuilder<T> class.

6- Change the name blocs to models.

7- Refactor the code and fix bugs.

8- Update docs and examples.

1.6.1 (2019-10-22) #

Add watch parameter to setState method and Inject.stream constructor. watch allows to link the rebuild process to the variation of a set of variables.
Update docs

1.6.0+1 (2019-10-18) #

Add Injector.getAsModel method. When called with the context parameter, the calling widget is automatically registered as a listener.
Add setState(Function(state)) to mutate the state and update the dependent the views from the UI.
Model class have not to extend StatesRebuilder to get reactivity.
Add the named constructorInject.future which take a future and update dependents when future completes.
Add the named constructorInject.stream which take a steam and update dependents when stream emits a value.
Injector.get or Injector.getAsModel now throws if no registered model is found. This can be silent by setting the parameter silent to true
Injected model ara lazily instantiated. To do otherwise set the parameter isLazy of the Inject widget to false.

1.5.1 (2019-09-14) #

add afterInitialBuild and afterRebuild parameters to the StateBuilder, StateWithMixinBuilder and Injector widgets. afterInitialBuildandafterRebuild` are callBack to be executed after the widget is mounted and after each rebuild.

1.5.0+1 (2019-09-12) #

Use ObservableService and hasState instead of Observable and hasObserver, because the latters are widely used and can lead to conflict

1.5.0 (2019-09-06) #

Add hasStates getter to check if the StatesRebuilder object has listener.
Add inject parameter to the Injector widget as an alternative to the models parameter. With inject you can register models using interface Type.
Add observable interface. Any service class can implement it to notify any ViewModel to rebuild its corresponding view.
Refactor the library to make it design patterns wise and hence make it testable.
Test the library

1.3.2 (2019-06-24) #

Add appLifeCycle argument to Injector to track the life cycle of the app.
Refactor the code.

1.3.1 (2019-06-13) #

remove rebuildFromStreams.
Initial release of Streaming class
The builder closure of the Injector takes (BuildContext context, T model) where T is the generic type.
Fix typos

1.3.0 (2019-06-04) #

Initial release of rebuildFromStreams method.
Initial release of Injector for Dependency Injection.
deprecate blocs parameter and use viewModels instead
StateBuilder can have many tags.

1.2.0 (2019-05-23) #

Remove stateID and replace it by tag parameter. tag is optional and many widgets can have the same tag.
rebuildStates() when called without parameters, it rebuilds all widgets that are wrapped with StateBuilder and StateWithMixinBuilder.
Each StateBuilder has an automatically generated cached address. It is stored in the second parameter of the builder, initState, dispose, and other closures. You can call it inside the closures to rebuild that particular widget.
add StateWithMixinBuilder widget to account for some of the most used mixins.
Optimize the code and improve performance

1.1.0 (2019-05-13) #

Add withTickerProvider parameter to StateBuilder widget.

1.0.0 (2019-05-12) #

Add BlocProviderto provide your BloCs.
You can use enums to name your StateBuilder widgets.
rebuildStates now has only one positioned parameter of List
If rebuildStates is given without parameter, it will rebuild all widgets that have stateID.
improve performance.

0.1.4 #

improve performance

0.1.3 #

Add getter and setter for the stateMap.

0.1.2 #

Remove print statements

0.1.1 #

Change readme.md of the example

0.1.0 #

Initial version

states_rebuilder 1.14.2
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1.14.2 (2020-02-28) #

1.14.1 (2020-02-25) #

1.14.0 (2020-02-18) #

1.13.0 (2020-02-12) #

1.12.1 (2020-02-.3) #

1.12.0 (2020-01-30) #

1.11.2 (2020-01-10) #

1.11.1 (2020-01-05) #

1.11.0 (2020-01-05) #

1.10.0 (2019-12-30) #

1.9.0 (2019-12-28) #

1.8.0 (2019-12-06) #

1.7.0 (2019-11-14) #

1.6.1 (2019-10-22) #

1.6.0+1 (2019-10-18) #

1.5.1 (2019-09-14) #

1.5.0+1 (2019-09-12) #

1.5.0 (2019-09-06) #

1.3.2 (2019-06-24) #

1.3.1 (2019-06-13) #

1.3.0 (2019-06-04) #

1.2.0 (2019-05-23) #

1.1.0 (2019-05-13) #

1.0.0 (2019-05-12) #

0.1.4 #

0.1.3 #

0.1.2 #

0.1.1 #

0.1.0 #

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1.14.2 (2020-02-28) #

1.14.1 (2020-02-25) #

1.14.0 (2020-02-18) #

1.13.0 (2020-02-12) #

1.12.1 (2020-02-.3) #

1.12.0 (2020-01-30) #

1.11.2 (2020-01-10) #

1.11.1 (2020-01-05) #

1.11.0 (2020-01-05) #

1.10.0 (2019-12-30) #

1.9.0 (2019-12-28) #

1.8.0 (2019-12-06) #

1.7.0 (2019-11-14) #

1.6.1 (2019-10-22) #

1.6.0+1 (2019-10-18) #

1.5.1 (2019-09-14) #

1.5.0+1 (2019-09-12) #

1.5.0 (2019-09-06) #

1.3.2 (2019-06-24) #

1.3.1 (2019-06-13) #

1.3.0 (2019-06-04) #

1.2.0 (2019-05-23) #

1.1.0 (2019-05-13) #

1.0.0 (2019-05-12) #

0.1.4 #

0.1.3 #

0.1.2 #

0.1.1 #

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