/// <summary>
/// Builds a <paramref name="componentType"/> for the type <typeparamref name="TValue"/>.
/// </summary>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="model">The model.</param>
/// <param name="componentType">The type of the component.</param>
/// <param name="propertyInfo">The property information.</param>
/// <param name="builder">The builder.</param>
/// <param name="currentIndex">The current index in the render tree.</param>
/// <param name="notificationService">The notification service.</param>
/// <returns>The updated index in the render tree.</returns>
protected int BuildField <TValue>(object model, Type componentType, PropertyInfo propertyInfo, RenderTreeBuilder builder, int currentIndex, IChangeNotificationService notificationService)
{
builder.OpenComponent(currentIndex++, componentType);
try
{
builder.AddAttribute(currentIndex++, "ValueExpression", model.CreatePropertyExpression <TValue>(propertyInfo));
builder.AddAttribute(currentIndex++, "Value", propertyInfo.GetValue(model));
builder.AddAttribute(currentIndex++, "ValueChanged", EventCallback.Factory.Create(this, EventCallback.Factory.Create <TValue>(
this,
value =>
{
if (propertyInfo.SetMethod is { })
{
propertyInfo.SetValue(model, value);
notificationService.NotifyChange(model, propertyInfo.Name);
}
})));
