public void VectorChanged_ActionChangedToNonAction_ExceptionThrown()
{
ActionCollection actionCollection = new ActionCollection();
actionCollection.Add(new StubAction());
TestUtilities.AssertThrowsException(() => actionCollection[0] = new Button());
}
protected ActionCollection GetActionCollection(DependencyProperty collectionProperty)
{
ActionCollection actionCollection = (ActionCollection)this.GetValue(collectionProperty);
if (actionCollection == null)
{
actionCollection = new ActionCollection();
this.SetValue(collectionProperty, actionCollection);
}
return actionCollection;
}
/// <summary>
/// Executes all actions in the <see cref="ActionCollection"/> and returns their results.
/// </summary>
/// <param name="sender">The <see cref="System.Object"/> which will be passed on to the action.</param>
/// <param name="actions">The set of actions to execute.</param>
/// <param name="parameter">The value of this parameter is determined by the calling behavior.</param>
/// <returns>Returns the results of the actions.</returns>
public static IEnumerable <object> ExecuteActions(object sender, ActionCollection actions, object parameter)
{
List <object> results = new List <object>();
if (actions == null || Windows.ApplicationModel.DesignMode.DesignModeEnabled)
{
return(results);
}
foreach (DependencyObject dependencyObject in actions)
{
IAction action = (IAction)dependencyObject;
results.Add(action.Execute(sender, parameter));
}
return(results);
}
/// <summary>
/// Executes all actions in the <see cref="ActionCollection"/> and returns their results.
/// </summary>
/// <param name="sender">The <see cref="System.Object"/> which will be passed on to the action.</param>
/// <param name="actions">The set of actions to execute.</param>
/// <param name="parameter">The value of this parameter is determined by the calling behavior.</param>
/// <returns>Returns the results of the actions.</returns>
public static IEnumerable<object> ExecuteActions(object sender, ActionCollection actions, object parameter)
{
List<object> results = new List<object>();
if (actions == null || Windows.ApplicationModel.DesignMode.DesignModeEnabled)
{
return results;
}
foreach (DependencyObject dependencyObject in actions)
{
IAction action = (IAction)dependencyObject;
results.Add(action.Execute(sender, parameter));
}
return results;
}
private void ActionCollection_VectorChanged(IObservableVector <DependencyObject> sender, IVectorChangedEventArgs eventArgs)
{
CollectionChange collectionChange = eventArgs.CollectionChange;
if (collectionChange == CollectionChange.Reset)
{
foreach (DependencyObject item in this)
{
ActionCollection.VerifyType(item);
}
}
else if (collectionChange == CollectionChange.ItemInserted || collectionChange == CollectionChange.ItemChanged)
{
DependencyObject changedItem = this[(int)eventArgs.Index];
ActionCollection.VerifyType(changedItem);
}
}
public void ExecuteActions_ActionsWithResults_ResultsInActionOrder()
{
string[] expectedReturnValues = { "A", "B", "C" };
ActionCollection actions = new ActionCollection();
foreach (string returnValue in expectedReturnValues)
{
actions.Add(new StubAction(returnValue));
}
List<object> results = Interaction.ExecuteActions(null, actions, null).ToList();
Assert.AreEqual(expectedReturnValues.Length, results.Count, "Should have the same number of results as IActions.");
for (int resultIndex = 0; resultIndex < results.Count; resultIndex++)
{
Assert.AreEqual(expectedReturnValues[resultIndex], results[resultIndex], "Results should be returned in the order of the actions in the ActionCollection.");
}
}
public void ExecuteActions_MultipleActions_AllActionsExecuted()
{
ActionCollection actions = new ActionCollection();
actions.Add(new StubAction());
actions.Add(new StubAction());
actions.Add(new StubAction());
Button sender = new Button();
string parameterString = "TestString";
Interaction.ExecuteActions(sender, actions, parameterString);
foreach (StubAction action in actions)
{
Assert.AreEqual(1, action.ExecuteCount, "Each IAction should be executed once.");
Assert.AreEqual(sender, action.Sender, "Sender is passed to the actions.");
Assert.AreEqual(parameterString, action.Parameter, "Parameter is passed to the actions.");
}
}
