public void Execute(ActionExecutionContext context)
{
// Server Side Error
var faultException = Error as System.ServiceModel.FaultException<ServiceFault>;
if (faultException != null) {
if (faultException.Reason.ToString() == "Unauthorized") {
Coroutine.BeginExecute(IoC.Get<IShell>().ExecuteSessionTimeout(), null, null);
} else {
if (Manual)
Caliburn.Micro.Execute.OnUIThread(()=> WindowManager.Value.Alert(faultException.Detail.Type, faultException.Detail.Message));
else
WindowManager.Value.Alert(faultException.Detail.Type, faultException.Detail.Message);
}
} else {
// General Exception
var communicationError = Error as System.ServiceModel.CommunicationException;
if (communicationError != null) {
if (Manual)
Caliburn.Micro.Execute.OnUIThread(() => WindowManager.Value.Alert(faultException.Detail.Type, faultException.Detail.Message));
else
WindowManager.Value.Alert("Communication Error", ValidationMessageResources.CommunicationError);
} else {
if (faultException != null) {
// Catch All other Errors
if (Manual)
Caliburn.Micro.Execute.OnUIThread(() => WindowManager.Value.Alert(faultException.Detail.Type, faultException.Detail.Message));
else
WindowManager.Value.Alert("Error", Error.Message);
}
}
}
// Execute Last
if (!Manual)
Caliburn.Micro.Execute.OnUIThread(() => Completed(this, new ResultCompletionEventArgs()));
}
public void Execute(ActionExecutionContext context)
{
DeploymentCatalog catalog;
if (Catalogs.TryGetValue(_uri, out catalog))
Completed(this, new ResultCompletionEventArgs());
else
{
catalog = new DeploymentCatalog(_uri);
catalog.DownloadCompleted += (s, e) =>
{
if (e.Error == null)
{
Catalogs[_uri] = catalog;
Catalog.Catalogs.Add(catalog);
catalog.Parts
.Select(part => ReflectionModelServices.GetPartType(part).Value.Assembly)
.Where(assembly => !AssemblySource.Instance.Contains(assembly))
.Apply(x => AssemblySource.Instance.Add(x));
}
else Loader.Hide().Execute(context);
Completed(this, new ResultCompletionEventArgs
{
Error = e.Error,
WasCancelled = false
});
};
catalog.DownloadAsync();
}
}
public void Execute(ActionExecutionContext context)
{
var shell = IoC.Get<IShell>();
shell.IsBusy = _isBusy;
Completed(this, new ResultCompletionEventArgs());
}
public override void Execute(ActionExecutionContext context)
{
var result = MessageBox.Show(this.messageBoxText, this.caption,
this.showCancel ? MessageBoxButton.OKCancel : MessageBoxButton.OK);
this.OnCompleted(new ResultCompletionEventArgs());
}
///<summary>
/// Uses the action pipeline to invoke the method.
///</summary>
///<param name="target"> The object instance to invoke the method on. </param>
///<param name="methodName"> The name of the method to invoke. </param>
///<param name="view"> The view. </param>
///<param name="source"> The source of the invocation. </param>
///<param name="eventArgs"> The event args. </param>
///<param name="parameters"> The method parameters. </param>
public static void Invoke(object target, string methodName, DependencyObject view = null, FrameworkElement source = null, object eventArgs = null, object[] parameters = null)
{
var context = new ActionExecutionContext
{
Target = target,
#if WinRT
Method = target.GetType().GetRuntimeMethods().Single(m => m.Name == methodName),
#else
Method = target.GetType().GetMethod(methodName),
#endif
Message = new ActionMessage
{
MethodName = methodName
},
View = view,
Source = source,
EventArgs = eventArgs
};
if (parameters != null)
{
parameters.Apply(x => context.Message.Parameters.Add(x as Parameter ?? new Parameter {
Value = x
}));
}
ActionMessage.InvokeAction(context);
}
public override void Execute(ActionExecutionContext context)
{
Window window = Window.GetWindow(context.View);
if (window != null) window.Close();
base.Execute(context);
}
public void Execute(ActionExecutionContext context)
{
var currentUser = SessionInfo.Instance.CurrentUser;
service = new ChannelFactory<IUserService>(ServiceConfig.UserServiceEndpoint);
var channel = service.CreateChannel();
ThreadPool.QueueUserWorkItem(x => channel.BeginAuthenticate(currentUser.Username, Security.GetSha2Hash(currentPassword.Trim(), currentUser.Username.Trim()), new AsyncCallback(AuthenticateResponse), channel));
}
public void Execute(ActionExecutionContext context)
{
var currentUser = SessionInfo.Instance.CurrentUser;
service = new ChannelFactory<IUserService>(ServiceConfig.UserServiceEndpoint);
var channel = service.CreateChannel();
ThreadPool.QueueUserWorkItem(x => channel.BeginSaveNewPin(Security.GetSha2Hash(newPin.Trim(), currentUser.Username.Trim()), AppLib.GetIdentification(), new AsyncCallback(SaveNewPinResponse), channel));
}
public void Execute(ActionExecutionContext context = null)
{
Result = MessageBox.Show(_message, _caption, _button);
if (Completed != null)
Completed(this, new ResultCompletionEventArgs());
}
/// <summary>
/// Evaluates the parameter.
/// </summary>
/// <param name = "expression">The expression.</param>
/// <param name = "context">The context.</param>
/// <param name = "resultType">Type of the result.</param>
/// <returns>The evaluated parameter.</returns>
private static object EvaluateParameter(string expression, ActionExecutionContext context, Type resultType)
{
try
{
var index = 0;
var parameters = new ParameterExpression[MessageBinder.SpecialValues.Count];
var values = new object[MessageBinder.SpecialValues.Count];
foreach (var pair in MessageBinder.SpecialValues)
{
var name = "@" + index;
expression = expression.Replace(pair.Key, name);
var value = pair.Value(context);
parameters[index] = Expression.Parameter(GetParameterType(value), name);
values[index] = value;
index++;
}
var exp = DynamicExpression.ParseLambda(parameters, resultType, expression);
return(exp.Compile().DynamicInvoke(values));
}
catch (Exception exc)
{
LogManager.GetLog(typeof(MessageBinder)).Error(exc);
return(null);
}
}
/// <summary>
/// Called by the bootstrapper's constructor at runtime to start the framework.
/// </summary>
protected virtual void StartRuntime()
{
Execute.InitializeWithDispatcher();
EventAggregator.DefaultPublicationThreadMarshaller = Execute.OnUIThread;
EventAggregator.HandlerResultProcessing = (target, result) => {
var coroutine = result as IEnumerable <IResult>;
if (coroutine != null)
{
var viewAware = target as IViewAware;
var view = viewAware != null?viewAware.GetView() : null;
var context = new ActionExecutionContext {
Target = target, View = (DependencyObject)view
};
Coroutine.BeginExecute(coroutine.GetEnumerator(), context);
}
};
AssemblySource.Instance.AddRange(SelectAssemblies());
if (useApplication)
{
Application = Application.Current;
PrepareApplication();
}
Configure();
IoC.GetInstance = GetInstance;
IoC.GetAllInstances = GetAllInstances;
IoC.BuildUp = BuildUp;
}
/// <summary>
/// Executes the result using the specified context.
/// </summary>
/// <param name="context">The context.</param>
public void Execute(ActionExecutionContext context)
{
if (string.IsNullOrEmpty(LastFmDataAccess.ApiKey))
{
var args = new ResultCompletionEventArgs
{
Error = new Exception("Can't execute query. No API-Key found."),
WasCancelled = true
};
Completed(this, args);
EventAgg.Publish(new ErrorMessage(args));
}
var stopWatch = new StopWatch(10000);
var webClient = new WebClient();
webClient.OpenReadCompleted += (sender, e) =>
{
stopWatch.Stop();
if (e.Error == null)
{
XDocument doc = XDocument.Load(e.Result);
XElement ee = doc.Descendants("error").FirstOrDefault();
if (ee != null)
{
stopWatch.Stop();
Completed(this, new ResultCompletionEventArgs
{
Error = new Exception(ee.Value),
WasCancelled = false
});
return;
}
XmlResult = doc.Root;
if (repository != null && addToRepository != LastFmRepository.RepositoryTypes.None)
repository.AddData(XmlResult, addToRepository);
Completed(this, new ResultCompletionEventArgs());
return;
}
var args = new ResultCompletionEventArgs { Error = e.Error, WasCancelled = false };
Completed(this, args);
EventAgg.Publish(new ErrorMessage(args));
};
stopWatch.StopWatchEnded += (sender, e) =>
{
var args = new ResultCompletionEventArgs
{
Error = new TimeoutException("Timeout of " + GetType().Name),
WasCancelled = false
};
EventAgg.Publish(new ErrorMessage(args));
Completed(this, args);
};
stopWatch.Start();
webClient.OpenReadAsync(new Uri(searchString));
}
public void Execute(ActionExecutionContext context)
{
Exception error = null;
var worker = new BackgroundWorker();
worker.DoWork += (s, e) =>
{
try
{
_work();
}
catch (Exception ex)
{
error = ex;
}
};
worker.RunWorkerCompleted += (s, e) =>
{
if (error == null && _onSuccess != null)
_onSuccess.OnUIThread();
if (error != null && _onFail != null)
{
Caliburn.Micro.Execute.OnUIThread(() => _onFail(error));
}
Completed(this, new ResultCompletionEventArgs { Error = error });
};
worker.RunWorkerAsync();
}
///<summary>
/// Uses the action pipeline to invoke the method.
///</summary>
///<param name="target"> The object instance to invoke the method on. </param>
///<param name="methodName"> The name of the method to invoke. </param>
///<param name="view"> The view. </param>
///<param name="source"> The source of the invocation. </param>
///<param name="eventArgs"> The event args. </param>
///<param name="parameters"> The method parameters. </param>
public static void Invoke(object target, string methodName, DependencyObject view = null, FrameworkElement source = null, object eventArgs = null, object[] parameters = null)
{
var message = new ActionMessage {
MethodName = methodName
};
var context = new ActionExecutionContext {
Target = target,
#if WinRT
Method = target.GetType().GetRuntimeMethods().Single(m => m.Name == methodName),
#else
Method = target.GetType().GetMethod(methodName),
#endif
Message = message,
View = view,
Source = source,
EventArgs = eventArgs
};
if (parameters != null)
{
parameters.Apply(x => context.Message.Parameters.Add(x as Parameter ?? new Parameter {
Value = x
}));
}
ActionMessage.InvokeAction(context);
// This is a bit of hack but keeps message being garbage collected
Log.Info("Invoking action {0} on {1}.", message.MethodName, target);
}
public void Execute(ActionExecutionContext context)
{
var view = context.View as UserControl;
if (view != null) {
// add support for controls here
List<Control> editableControls =
view.GetChildrenByType<Control>(c => c is RadComboBox ||
c is RadMaskedTextBox ||
c is NotifyButton ||
c is ModuleButton ||
c is RadButton);
var control = editableControls.SingleOrDefault(c =>
c.Name == controlToFocus);
if (control != null)
control.Dispatcher.BeginInvoke(() => {
control.Focus();
});
}
// Execute Last
if (!manual)
Caliburn.Micro.Execute.OnUIThread(() => Completed(this, new ResultCompletionEventArgs()));
}
/// <summary>
/// Evaluates the parameter.
/// </summary>
/// <param name = "expression">The expression.</param>
/// <param name = "context">The context.</param>
/// <param name = "resultType">Type of the result.</param>
/// <returns>The evaluated parameter.</returns>
private static object EvaluateParameter(string expression, ActionExecutionContext context, Type resultType)
{
try
{
var index = 0;
var parameters = new ParameterExpression[MessageBinder.SpecialValues.Count];
var values = new object[MessageBinder.SpecialValues.Count];
foreach (var pair in MessageBinder.SpecialValues)
{
var name = "@" + index;
expression = expression.Replace(pair.Key, name);
var value = pair.Value(context);
parameters[index] = Expression.Parameter(GetParameterType(value), name);
values[index] = value;
index++;
}
var exp = DynamicExpression.ParseLambda(parameters, resultType, expression);
return exp.Compile().DynamicInvoke(values);
}
catch (Exception exc)
{
LogManager.GetLog(typeof(MessageBinder)).Error(exc);
return null;
}
}
public static void Coroutine(IEnumerator<IResult> coroutines, ActionExecutionContext context=null)
{
if( context==null )
Caliburn.Micro.Coroutine.BeginExecute(coroutines);
else
Caliburn.Micro.Coroutine.BeginExecute(coroutines, context);
}
/// <summary>
/// Called by the bootstrapper's constructor at runtime to start the framework.
/// </summary>
protected virtual void StartRuntime() {
Execute.InitializeWithDispatcher();
EventAggregator.DefaultPublicationThreadMarshaller = Execute.OnUIThread;
EventAggregator.HandlerResultProcessing = (target, result) => {
var coroutine = result as IEnumerable<IResult>;
if (coroutine != null) {
var viewAware = target as IViewAware;
var view = viewAware != null ? viewAware.GetView() : null;
var context = new ActionExecutionContext { Target = target, View = (DependencyObject)view };
Coroutine.BeginExecute(coroutine.GetEnumerator(), context);
}
};
AssemblySource.Instance.AddRange(SelectAssemblies());
if (useApplication) {
Application = Application.Current;
PrepareApplication();
}
Configure();
IoC.GetInstance = GetInstance;
IoC.GetAllInstances = GetAllInstances;
IoC.BuildUp = BuildUp;
}
public void Execute(ActionExecutionContext context)
{
StockDetailModel stockDetail = this.stockService.Get(this.symbol);
this.detailModel.SetValue(stockDetail);
this.Completed(this, new ResultCompletionEventArgs());
}
public void Execute(ActionExecutionContext context)
{
service = new ChannelFactory<ISampleService>(ServiceConfig.SampleServiceEndpoint);
ISampleService channel = service.CreateChannel();
ThreadPool.QueueUserWorkItem(x => channel.BeginCloneSample(arlNumber, descriptionYN, storageYN, containersYN, containerDescriptionYN,
fillVolumeYN, dosageYN, analytesYN, testsYN, chargesYN, notesYN, AppLib.GetIdentification(), new AsyncCallback(GetRequestResponse), channel));
}
public override void Execute(ActionExecutionContext context)
{
var window = Window.GetWindow(context.View);
window.Close();
base.Execute(context);
}
void IResult.Execute(ActionExecutionContext context)
{
var dialog = CreateDialog();
if (dialog.ShowDialog() != true)
{
this.OnCompleted(new ResultCompletionEventArgs
{
WasCancelled = this._IgnoreUserCancel == false
});
return;
}
var resultArgs = new ResultCompletionEventArgs();
this.FileNames = dialog.FileNames;
if (this._FileAction != null)
{
try
{
this._FileAction(FileNames);
}
catch (Exception e)
{
resultArgs.Error = e;
}
}
this.OnCompleted(resultArgs);
}
public void Execute(ActionExecutionContext context)
{
IStockTickerContentViewModel contentViewModel = this.contentFactory.CreateContent(this.detailModel.Value);
this.conductor(contentViewModel);
this.Completed(this, new ResultCompletionEventArgs());
}
public void Execute(ActionExecutionContext context)
{
// simulating work
Task
.Run(() => Task.Delay(6000))
.ContinueWith(task => Completed(this, new ResultCompletionEventArgs()));
}
public void MakeAwareOf(ActionExecutionContext context)
{
this.context = context;
var inpc = context.Target as INotifyPropertyChanged;
if (inpc == null)
{
return;
}
foreach (var viewModelProperty in ViewModelProperties(inpc))
{
observers.Add(new PropertyObserver(inpc, viewModelProperty, true, UpdateAvailability));
}
var otherProperties = from dependentProperty in dependentProperties.Select(propertyName => propertyName.Split('.'))
where dependentProperty.Length > 1
select dependentProperty;
foreach (var args in otherProperties)
{
var viewModelProperty = args[0];
var observer = observers.FirstOrDefault(po => po.PropertyToWatch == viewModelProperty);
if (observer == null)
{
observers.Add(observer = new PropertyObserver(inpc, viewModelProperty, false, UpdateAvailability));
}
observer.AddChild(args);
}
}
public override void Execute(ActionExecutionContext context)
{
if(callback != null)
callback();
OnCompleted(this, new ResultCompletionEventArgs{WasCancelled = true});
}
public void Execute(ActionExecutionContext context)
{
var documentWorkspace = _screen.Parent as IDocumentWorkspace;
if (documentWorkspace != null)
documentWorkspace.Edit(_screen);
_closeCheck(Shell.Dialogs, result => Completed(this, new ResultCompletionEventArgs { WasCancelled = !result }));
}
public void Execute(ActionExecutionContext context)
{
_task.ContinueWith(t => Completed(this, new ResultCompletionEventArgs
{
WasCancelled = t.IsCanceled,
Error = t.Exception
}));
}
public static void ExecuteSynchronized(this IResult result, ActionExecutionContext actionExecutionContext = null)
{
IoC.BuildUp(result);
var reset = new ManualResetEvent(false);
result.Completed+= (s,e)=>reset.Set();
result.Execute(actionExecutionContext);
reset.WaitOne();
}
public override async void Execute(ActionExecutionContext context)
{
var repository = WaypointsRepositoryFactory.Create();
await repository.SaveAsync(_waypoints);
OnCompleted();
}
public override void Execute(ActionExecutionContext context)
{
if(Shell.Workspace != null)
{
Shell.Workspace.ScriptingEngine.EvaluateAsync(code, sourceFile);
OnCompleted(null);
}
}
public override void Execute(ActionExecutionContext context)
{
if(Workspace != null && Workspace.ReplExecutor != null)
{
Workspace.ReplExecutor.Execute(code, sourceFile);
OnCompleted(null);
}
}
public void Execute(ActionExecutionContext context)
{
_lambda(context);
var completedHandler = Completed;
if (completedHandler != null)
completedHandler(this, new ResultCompletionEventArgs());
}
public async override void Execute(ActionExecutionContext context)
{
var dialog = new MessageDialog(_content, _title);
await dialog.ShowAsync();
OnCompleted();
}
void UpdateContext()
{
context = new ActionExecutionContext {
Message = this,
Source = AssociatedObject
};
PrepareContext(context);
UpdateAvailabilityCore();
}
/// <summary>
/// Executes a coroutine.
/// </summary>
/// <param name="coroutine">The coroutine to execute.</param>
/// <param name="context">The context to execute the coroutine within.</param>
public static void Execute(IEnumerator <IResult> coroutine, ActionExecutionContext context)
{
Log.Info("Executing coroutine.");
var enumerator = CreateParentEnumerator(coroutine);
IoC.BuildUp(enumerator);
enumerator.Completed += Completed;
enumerator.Execute(context);
}
/// <summary>
/// Executes a coroutine.
/// </summary>
/// <param name="coroutine">The coroutine to execute.</param>
/// <param name="context">The context to execute the coroutine within.</param>
/// /// <param name="callback">The completion callback for the coroutine.</param>
public static void BeginExecute(IEnumerator<IResult> coroutine, ActionExecutionContext context = null, EventHandler<ResultCompletionEventArgs> callback = null) {
Log.Info("Executing coroutine.");
var enumerator = CreateParentEnumerator(coroutine);
IoC.BuildUp(enumerator);
if(callback != null)
enumerator.Completed += callback;
enumerator.Completed += Completed;
enumerator.Execute(context ?? new ActionExecutionContext());
}
/// <summary>
/// Try to find a candidate for guard function, having:
/// - a name matching any of <paramref name="possibleGuardNames" />
/// - no generic parameters
/// - a bool return type
/// - no parameters or a set of parameters corresponding to the action method
/// </summary>
/// <param name="context">The execution context</param>
/// <param name="possibleGuardNames">Method names to look for.</param>
/// <returns>A MethodInfo, if found; null otherwise</returns>
private static MethodInfo TryFindGuardMethod(ActionExecutionContext context,
IEnumerable <string> possibleGuardNames)
{
var targetType = context.Target.GetType();
MethodInfo guard = null;
foreach (var possibleGuardName in possibleGuardNames)
{
guard = GetMethodInfo(targetType, possibleGuardName);
if (guard != null)
{
break;
}
}
if (guard == null)
{
return(null);
}
if (guard.ContainsGenericParameters)
{
return(null);
}
if (!typeof(bool).Equals(guard.ReturnType))
{
return(null);
}
var guardPars = guard.GetParameters();
var actionPars = context.Method.GetParameters();
if (guardPars.Length == 0)
{
return(guard);
}
if (guardPars.Length != actionPars.Length)
{
return(null);
}
var comparisons = guardPars.Zip(
context.Method.GetParameters(),
(x, y) => x.ParameterType == y.ParameterType
);
if (comparisons.Any(x => !x))
{
return(null);
}
return(guard);
}
public void Execute(ActionExecutionContext context)
{
var dialog = OpenReadOnly ? (FileDialog) new OpenFileDialog() : new SaveFileDialog();
dialog.Filter = Filter;
if (dialog.ShowDialog() == true)
{
// Screw you WPF, I know that method is there
Stream = () => ((dynamic)dialog).OpenFile();
FileName = dialog.FileName;
Completed(this, new ResultCompletionEventArgs());
}
}
/// <summary>
/// Executes the result using the specified context.
/// </summary>
/// <param name="context">The context.</param>
public void Execute(ActionExecutionContext context)
{
if (innerTask.IsCompleted)
{
OnCompleted(innerTask);
}
else
{
innerTask.ContinueWith(OnCompleted,
System.Threading.SynchronizationContext.Current != null
? TaskScheduler.FromCurrentSynchronizationContext()
: TaskScheduler.Current);
}
}
static IEnumerable <string> BuildPossibleGuardNames(ActionExecutionContext context)
{
const string GuardPrefix = "Can";
var methodName = context.Method.Name;
yield return(GuardPrefix + methodName);
const string AsyncMethodSuffix = "Async";
if (methodName.EndsWith(AsyncMethodSuffix, StringComparison.OrdinalIgnoreCase))
{
yield return(GuardPrefix + methodName.Substring(0, methodName.Length - AsyncMethodSuffix.Length));
}
}
private void UpdateContext()
{
if (context != null)
{
context.Dispose();
}
context = new ActionExecutionContext
{
Message = this,
Source = AssociatedObject
};
PrepareContext(context);
UpdateAvailabilityCore();
}
/// <summary>
/// Try to find a candidate for guard function, having:
/// - a name in the form "CanXXX"
/// - no generic parameters
/// - a bool return type
/// - no parameters or a set of parameters corresponding to the action method
/// </summary>
/// <param name="context">The execution context</param>
/// <returns>A MethodInfo, if found; null otherwise</returns>
static MethodInfo TryFindGuardMethod(ActionExecutionContext context)
{
var guardName = "Can" + context.Method.Name;
var targetType = context.Target.GetType();
var guard = targetType.GetMethod(guardName);
if (guard == null)
{
return(null);
}
if (guard.ContainsGenericParameters)
{
return(null);
}
if (!typeof(bool).Equals(guard.ReturnType))
{
return(null);
}
var guardPars = guard.GetParameters();
var actionPars = context.Method.GetParameters();
if (guardPars.Length == 0)
{
return(guard);
}
if (guardPars.Length != actionPars.Length)
{
return(null);
}
var comparisons = guardPars.Zip(
context.Method.GetParameters(),
(x, y) => x.ParameterType.Equals(y.ParameterType)
);
if (comparisons.Any(x => !x))
{
return(null);
}
return(guard);
}
/// <summary>
/// Determines the parameters that a method should be invoked with.
/// </summary>
/// <param name="context">The action execution context.</param>
/// <param name="requiredParameters">The parameters required to complete the invocation.</param>
/// <returns>The actual parameter values.</returns>
public static object[] DetermineParameters(ActionExecutionContext context, ParameterInfo[] requiredParameters)
{
var providedValues = context.Message.Parameters.Select(x => x.Value).ToArray();
var values = new object[requiredParameters.Length];
for (int i = 0; i < requiredParameters.Length; i++)
{
var value = providedValues[i];
var stringValue = value as string;
object potentialValue;
if (stringValue != null)
{
switch (stringValue.ToLower(CultureInfo.InvariantCulture))
{
case "$eventargs":
potentialValue = context.EventArgs;
break;
case "$datacontext":
potentialValue = context.Source.DataContext;
break;
case "$source":
potentialValue = context.Source;
break;
default:
potentialValue = stringValue;
break;
}
}
else
{
potentialValue = value;
}
values[i] = CoerceValue(requiredParameters[i].ParameterType, potentialValue);
}
return(values);
}
/// <summary>
/// Executes a coroutine asynchronous.
/// </summary>
/// <param name="coroutine">The coroutine to execute.</param>
/// <param name="context">The context to execute the coroutine within.</param>
/// <returns>A task that represents the asynchronous coroutine.</returns>
public static Task ExecuteAsync(IEnumerator <IResult> coroutine, ActionExecutionContext context = null)
{
var taskSource = new TaskCompletionSource <object>();
BeginExecute(coroutine, context, (s, e) => {
if (e.Error != null)
{
taskSource.SetException(e.Error);
}
else if (e.WasCancelled)
{
taskSource.SetCanceled();
}
else
{
taskSource.SetResult(null);
}
});
return(taskSource.Task);
}
/// <summary>
/// Determines the parameters that a method should be invoked with.
/// </summary>
/// <param name="context">The action execution context.</param>
/// <param name="requiredParameters">The parameters required to complete the invocation.</param>
/// <returns>The actual parameter values.</returns>
public static object[] DetermineParameters(ActionExecutionContext context, ParameterInfo[] requiredParameters)
{
var providedValues = context.Message.Parameters.Select(x => x.Value).ToArray();
var finalValues = new object[requiredParameters.Length];
for (int i = 0; i < requiredParameters.Length; i++)
{
var parameterType = requiredParameters[i].ParameterType;
var parameterValue = providedValues[i];
var parameterAsString = parameterValue as string;
if (parameterAsString != null)
{
finalValues[i] = CoerceValue(parameterType, EvaluateParameter(parameterAsString, parameterType, context), context);
}
else
{
finalValues[i] = CoerceValue(parameterType, parameterValue, context);
}
}
return(finalValues);
}
/// <summary>
/// Called by the bootstrapper's constructor at runtime to start the framework.
/// </summary>
protected virtual void StartRuntime()
{
Execute.InitializeWithDispatcher();
EventAggregator.DefaultPublicationThreadMarshaller = Execute.OnUIThread;
EventAggregator.HandlerResultProcessing = (target, result) => {
#if !SILVERLIGHT || SL5 || WP8
var task = result as System.Threading.Tasks.Task;
if (task != null)
{
result = new IResult[] { task.AsResult() };
}
#endif
var coroutine = result as IEnumerable <IResult>;
if (coroutine != null)
{
var viewAware = target as IViewAware;
var view = viewAware != null?viewAware.GetView() : null;
var context = new ActionExecutionContext {
Target = target, View = (DependencyObject)view
};
Coroutine.BeginExecute(coroutine.GetEnumerator(), context);
}
};
AssemblySource.Instance.AddRange(SelectAssemblies());
PrepareApplication();
Configure();
IoC.GetInstance = GetInstance;
IoC.GetAllInstances = GetAllInstances;
IoC.BuildUp = BuildUp;
}
static Task <TResult> InternalExecuteAsync <TResult>(IResult result, ActionExecutionContext context)
{
var taskSource = new TaskCompletionSource <TResult>();
EventHandler <ResultCompletionEventArgs> completed = null;
completed = (s, e) => {
result.Completed -= completed;
if (e.Error != null)
{
taskSource.SetException(e.Error);
}
else if (e.WasCancelled)
{
taskSource.SetCanceled();
}
else
{
var rr = result as IResult <TResult>;
taskSource.SetResult(rr != null ? rr.Result : default(TResult));
}
};
try {
IoC.BuildUp(result);
result.Completed += completed;
result.Execute(context ?? new ActionExecutionContext());
}
catch (Exception ex) {
result.Completed -= completed;
taskSource.SetException(ex);
}
return(taskSource.Task);
}
/// <summary> /// Executes a coroutine. /// /// </summary> /// <param name="coroutine">The coroutine to execute.</param><param name="context">The context to execute the coroutine within.</param>/// <param name="callback">The completion callback for the coroutine.</param> public static void BeginExecute(IEnumerator <IResult> coroutine, ActionExecutionContext context = null, EventHandler <ResultCompletionEventArgs> callback = null);
/// <summary>
/// Executes an <see cref="Caliburn.Micro.IResult"/> asynchronous.
/// </summary>
/// <param name="result">The coroutine to execute.</param>
/// <param name="context">The context to execute the coroutine within.</param>
/// <returns>A task that represents the asynchronous coroutine.</returns>
public static Task ExecuteAsync(this IResult result, ActionExecutionContext context = null)
{
return(InternalExecuteAsync <object>(result, context));
}
/// <summary>
/// Executes an <see cref="Caliburn.Micro.IResult<TResult>"/> asynchronous.
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="result">The coroutine to execute.</param>
/// <param name="context">The context to execute the coroutine within.</param>
/// <returns>A task that represents the asynchronous coroutine.</returns>
public static Task <TResult> ExecuteAsync <TResult>(this IResult <TResult> result,
ActionExecutionContext context = null)
{
return(InternalExecuteAsync <TResult>(result, context));
}
public void Execute(ActionExecutionContext context)
{
DragDrop.DoDragDrop(context.Source, data, allowedEffects);
Completed(this, new ResultCompletionEventArgs());
}
/// <summary>
/// Executes the result using the specified context.
/// </summary>
/// <param name = "context">The context.</param>
public void Execute(ActionExecutionContext context)
{
this.context = context;
ChildCompleted(null, new ResultCompletionEventArgs());
}
