internal static string[] getDefaultViewPropChain(object view, string[] vmPropChain)
{
var vmPropertyName = vmPropChain.Last();
var getter = GetValueFetcherForProperty(view.GetType(), vmPropertyName);
if (getter == null)
{
throw new Exception(String.Format("Tried to bind to control but it wasn't present on the object: {0}.{1}",
view.GetType().FullName, vmPropertyName));
}
var control = getter(view);
if (control == null)
{
throw new Exception(String.Format("Tried to bind to control but it was null: {0}.{1}", view.GetType().FullName,
vmPropertyName));
}
var defaultProperty = DefaultPropertyBinding.GetPropertyForControl(control);
if (defaultProperty == null)
{
throw new Exception(String.Format("Couldn't find a default property for type {0}", control.GetType()));
}
return(new[] { vmPropertyName, defaultProperty });
}
internal static Expression getViewExpressionWithProperty(object view, Expression vmExpression)
{
var controlExpression = getViewExpression(view, vmExpression);
var control = GetValueFetcherForProperty(controlExpression.GetMemberInfo())(view, controlExpression.GetArgumentsArray());
if (control == null)
{
throw new Exception(String.Format("Tried to bind to control but it was null: {0}.{1}", view.GetType().FullName,
controlExpression.GetMemberInfo().Name));
}
var defaultProperty = DefaultPropertyBinding.GetPropertyForControl(control);
if (defaultProperty == null)
{
throw new Exception(String.Format("Couldn't find a default property for type {0}", control.GetType()));
}
return(Expression.MakeMemberAccess(controlExpression, control.GetType().GetRuntimeProperty(defaultProperty)));
}