/// <summary>
/// Adds a new child element to <see cref="ElementCollectionModel"/>.
/// </summary>
/// <param name="parameter">
/// Data used by the command. If the command does not require data to be passed, this object can be set to null.
/// </param>
/// <remarks>
/// Adds a new element to the collection through <see cref="ElementCollectionViewModel.AddNewCollectionElement"/>
/// and makes the new element the selected element.
/// </remarks>
protected override void InnerExecute(object parameter)
{
addedElementViewModel = ElementCollectionModel.AddNewCollectionElement(ConfigurationElementType);
addedElementViewModel.PropertiesShown = true;
addedElementViewModel.Select();
applicationModel.SetDirty();
}
/// <summary>
/// Sets properties on the newly minted <see cref="ElementViewModel"/>.
/// </summary>
/// <param name="createdElement">The element created.</param>
/// <param name="selectedType">The element type created.</param>
/// <remarks>
/// By default, this sets the <see cref="ElementViewModel.NameProperty"/>'s value, if present.
/// The command also updates the <see cref="Property.Value"/> of the property specified by <see cref="TypePickingCommandAttribute.Property"/> to
/// the assembly qualified name of the selected type.
/// </remarks>
protected virtual void SetProperties(ElementViewModel createdElement, Type selectedType)
{
if (createdElement.NameProperty != null)
{
createdElement.NameProperty.Value = ElementCollectionModel.FindUniqueNewName(selectedType.Name);
}
createdElement.Property(propertyToSet).Value = selectedType.AssemblyQualifiedName;
}
/// <summary>
/// Adds a new child element to <see cref="DefaultCollectionElementAddCommand.ElementCollectionModel"/>.
/// </summary>
/// <param name="parameter">Not used. </param>
/// <remarks>
/// Collects the type from the user with the <see cref="TypeBrowser"/>.
/// <br/>
/// After collecting the type, inheritors of <see cref="TypePickingCollectionElementAddCommand"/> have
/// an opportunity to take action if the override <see cref="AfterSelectType"/>.
/// <br/>
/// Then, a new element of the collected type is added through <see cref="ElementCollectionViewModel.AddNewCollectionElement"/>.
/// </remarks>
protected override void InnerExecute(object parameter)
{
var selectedType = GetSelectedType();
if (selectedType != null && AfterSelectType(selectedType))
{
var createdElement = ElementCollectionModel.AddNewCollectionElement(CreatedElementType);
createdElement.PropertiesShown = true;
SetProperties(createdElement, selectedType);
}
}