public override bool TryGetValue(IEnumerable <IMvxSourceStep> steps, out object value)
{
//Enumerate the list
var list = steps?.ToList();
if (list == null)
{
value = null;
return(false);
}
RequestCreator requestCreator = null;
var resourceToLoad = list.First().GetValue();
var resourceType = resourceToLoad.GetType();
//Load appropriate type
if (resourceType == typeof(string))
{
requestCreator = Picasso.Load((string)resourceToLoad);
}
else if (resourceType == typeof(int))
{
requestCreator = Picasso.Load((int)resourceToLoad);
}
else if (resourceType == typeof(string))
{
requestCreator = Picasso.Load((string)resourceToLoad);
}
else if (resourceType == typeof(string))
{
requestCreator = Picasso.Load((string)resourceToLoad);
}
else
{
value = null;
return(false);
}
//Skip the initial value and get only valid strings as options
foreach (var option in list?.Skip(1).Select(x => x.GetValue()).OfType <string>())
{
switch (option)
{
case Fit:
requestCreator = requestCreator.Fit();
break;
case CenterCrop:
requestCreator = requestCreator.CenterCrop();
break;
case CenterInside:
requestCreator = requestCreator.CenterInside();
break;
case MemoryPolicyNoCache:
requestCreator = requestCreator.MemoryPolicy(MemoryPolicy.NoCache);
break;
case MemoryPolicyNoStore:
requestCreator = requestCreator.MemoryPolicy(MemoryPolicy.NoStore);
break;
case NetworkPolicyNoCache:
requestCreator = requestCreator.NetworkPolicy(NetworkPolicy.NoCache);
break;
case NetworkPolicyNoStore:
requestCreator = requestCreator.NetworkPolicy(NetworkPolicy.NoStore);
break;
case NoFade:
requestCreator = requestCreator.NoFade();
break;
case NoPlaceholder:
requestCreator = requestCreator.NoPlaceholder();
break;
case OnlyScaleDown:
requestCreator = requestCreator.OnlyScaleDown();
break;
case PriorityHigh:
requestCreator = requestCreator.Priority(Square.Picasso.Picasso.Priority.High);
break;
case PriorityNormal:
requestCreator = requestCreator.Priority(Square.Picasso.Picasso.Priority.Normal);
break;
case PriorityLow:
requestCreator = requestCreator.Priority(Square.Picasso.Picasso.Priority.Low);
break;
case CircleTransform:
requestCreator = requestCreator.Transform(new CircleTransform());
break;
default:
if (option.StartsWith(Placeholder, System.StringComparison.Ordinal))
{
var parameters = GetParametersFromString <int>(Placeholder, option).ToList();
if (parameters.Count != 1)
{
continue;
}
requestCreator = requestCreator.Placeholder(parameters.Single());
}
else if (option.StartsWith(Error, System.StringComparison.Ordinal))
{
var parameters = GetParametersFromString <int>(Error, option).ToList();
if (parameters.Count != 1)
{
continue;
}
requestCreator = requestCreator.Error(parameters.Single());
}
else if (option.StartsWith(Resize, System.StringComparison.Ordinal))
{
var parameters = GetParametersFromString <int>(Resize, option).ToList();
if (parameters.Count != 2)
{
continue;
}
requestCreator = requestCreator.Resize(parameters[0], parameters[1]);
}
else if (option.StartsWith(ResizeDimen, System.StringComparison.Ordinal))
{
var parameters = GetParametersFromString <int>(ResizeDimen, option).ToList();
if (parameters.Count != 2)
{
continue;
}
requestCreator = requestCreator.ResizeDimen(parameters[0], parameters[1]);
}
else if (option.StartsWith(Rotate, System.StringComparison.Ordinal))
{
var parameters = GetParametersFromString <int>(Rotate, option).ToList();
if (parameters.Count == 3)
{
requestCreator = requestCreator.Rotate(parameters[0], parameters[1], parameters[2]);
}
else if (parameters.Count == 1)
{
requestCreator = requestCreator.Rotate(parameters[0]);
}
}
else if (option.StartsWith(Transform, System.StringComparison.Ordinal))
{
var parameters = GetParametersFromString <int>(Transform, option).ToList();
if (parameters.Count != 1)
{
continue;
}
requestCreator = requestCreator.Placeholder(parameters.Single());
}
break;
}
}
value = requestCreator;
return(true);
}
