/// <summary>
/// Sets the OneWayBind invocation.
/// </summary>
/// <param name="invocationKind">The invocation kind.</param>
/// <param name="receiverKind">The receiver kind.</param>
/// <param name="viewModelExpression">The view model expression.</param>
/// <param name="viewExpression">The view expression.</param>
/// <param name="viewModelConvert">The view model conversion function.</param>
/// <param name="target">The target parameter.</param>
/// <returns>A reference to this builder.</returns>
public BindHostBuilder WithOneWayInvocation(
InvocationKind invocationKind,
ReceiverKind receiverKind,
Expression <Func <BindHostProxy, object> > viewModelExpression,
Expression <Func <WhenChangedHostProxy, object> > viewExpression,
Expression <Func <object, object, object> > viewModelConvert,
string target = "ViewModel")
{
if (viewModelExpression is null)
{
throw new ArgumentNullException(nameof(viewModelExpression));
}
if (viewExpression is null)
{
throw new ArgumentNullException(nameof(viewExpression));
}
if (viewModelConvert is null)
{
throw new ArgumentNullException(nameof(viewModelConvert));
}
_oneWayBindInvocation = GetOneWayBindInvocation(invocationKind, receiverKind, viewModelExpression.ToString(), viewExpression.ToString(), target, viewModelConvert.ToString());
return(this);
}
public ReceiverIdentifier(byte[] identity, ReceiverKind receiverKind)
{
Identity = identity;
ReceiverKind = receiverKind;
hashCode = CalculateHashCode();
}
private static string GetOneWayBindInvocation(
InvocationKind invocationKind,
ReceiverKind viewModelKind,
string viewModelArgs,
string viewArgs,
string targetName,
string?viewModelConvertFunc = null)
{
var receiver = viewModelKind == ReceiverKind.This ? "this" : "instance";
if (viewModelConvertFunc is not null)
{
viewArgs = viewArgs + ", " + viewModelConvertFunc;
}
return(invocationKind == InvocationKind.MemberAccess ?
$"{receiver}.BindOneWay({targetName}, {viewModelArgs}, {viewArgs})" :
$"BindExtensions.BindOneWay({receiver}, {targetName}, {viewModelArgs}, {viewArgs})");
}
public static ReceiverIdentifier Create(ReceiverKind receiverKind) => new ReceiverIdentifier(CreateIdentity(), receiverKind);