private static IDictionary <string, FunctionParameter> GetModelParameters(Type modelType)
{
var dictionary = new Dictionary <string, FunctionParameter>();
foreach (var info in modelType.GetProperties(BindingFlags.SetProperty | BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly))
{
if (((info.GetSetMethod(false) == null)) ||
info.GetCustomAttributes(typeof(FunctionParameterIgnoreAttribute), false).Any())
{
continue;
}
var propertyType = info.PropertyType;
var name = info.Name;
FunctionParameterAttribute functionParameterAttribute = null;
var source = info.GetCustomAttributes <FunctionParameterAttribute>(false).ToList();
if (source.Count > 1)
{
Log.LogWarning(LogTitle, String.Format("More than one '{0}' attribute defined on property '{1}'", typeof(FunctionParameterAttribute).Name, name));
}
else
{
functionParameterAttribute = source.FirstOrDefault();
}
WidgetFunctionProvider widgetProvider = null;
if ((functionParameterAttribute != null) && functionParameterAttribute.HasWidgetMarkup)
{
try
{
widgetProvider = functionParameterAttribute.GetWidgetFunctionProvider(modelType, info);
}
catch (Exception exception)
{
Log.LogWarning(LogTitle, String.Format("Failed to get widget function provider for parameter property {0}.", info.Name));
Log.LogWarning(LogTitle, exception);
}
}
if (!dictionary.ContainsKey(name))
{
dictionary.Add(name, new FunctionParameter(name, propertyType, functionParameterAttribute, widgetProvider));
}
}
return(dictionary);
}
internal static ParameterProfile BuildParameterProfile(string name, Type type, FunctionParameterAttribute attribute, Type controllerType)
{
BaseValueProvider defaultValueProvider = new NoValueValueProvider();
string label = name;
string helpText = String.Empty;
if (!attribute.Label.IsNullOrEmpty())
{
label = attribute.Label;
}
if (!attribute.Help.IsNullOrEmpty())
{
helpText = attribute.Help;
}
bool isRequired = !attribute.HasDefaultValue;
if (!isRequired)
{
defaultValueProvider = new ConstantValueProvider(attribute.DefaultValue);
}
WidgetFunctionProvider widgetProvider = attribute.GetWidgetFunctionProvider(controllerType, null);
bool hideInSimpleView = attribute.HideInSimpleView;
if (widgetProvider == null)
{
widgetProvider = StandardWidgetFunctions.GetDefaultWidgetFunctionProviderByType(type, isRequired);
}
return(new ParameterProfile(name, type, isRequired, defaultValueProvider, widgetProvider, label,
new HelpDefinition(helpText),
hideInSimpleView));
}
/// <summary>
/// Extracts the function paramteres from an object that represents a function.
/// </summary>
/// <param name="functionObject">The object that represents a function.</param>
/// <param name="baseFunctionType">Type of the base function.</param>
/// <param name="filePath">Physical file location of the file behind the function, used for logging.</param>
/// <returns></returns>
public static IDictionary <string, FunctionParameter> GetParameters(object functionObject, Type baseFunctionType, string filePath)
{
var functionParameters = new Dictionary <string, FunctionParameter>();
IDictionary <string, WidgetFunctionProvider> parameterWidgets = GetParameterWidgets(functionObject);
var type = functionObject.GetType();
while (type != baseFunctionType && type != null)
{
var properties = type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.SetProperty | BindingFlags.DeclaredOnly);
foreach (var property in properties)
{
// Skipping overriden base properties
if (property.GetAccessors()[0].GetBaseDefinition().DeclaringType == baseFunctionType)
{
continue;
}
// Skipping private setters
if (property.GetSetMethod(false) == null)
{
continue;
}
// Skipping explicitly ignored attributes
if (property.GetCustomAttributes(typeof(FunctionParameterIgnoreAttribute), false).Any())
{
continue;
}
var propType = property.PropertyType;
var name = property.Name;
FunctionParameterAttribute attr = null;
var attributes = property.GetCustomAttributes(typeof(FunctionParameterAttribute), false).Cast <FunctionParameterAttribute>().ToList();
if (attributes.Count > 1)
{
Log.LogWarning(LogTitle, "More than one '{0}' attribute defined on property '{1}'. Location: '{2}'"
.FormatWith(typeof(FunctionParameterAttribute).Name, name, filePath));
}
else
{
attr = attributes.FirstOrDefault();
}
WidgetFunctionProvider attibuteBasedWidgetProvider = null;
WidgetFunctionProvider methodBasedWidgetProvider = null;
if (attr != null && attr.HasWidgetMarkup)
{
try
{
attibuteBasedWidgetProvider = attr.GetWidgetFunctionProvider(type, property);
}
catch (Exception ex)
{
Log.LogWarning(LogTitle, "Failed to get widget function provider for parameter property {0}. Location: '{1}'"
.FormatWith(property.Name, filePath));
Log.LogWarning(LogTitle, ex);
}
}
parameterWidgets.TryGetValue(name, out methodBasedWidgetProvider);
if (methodBasedWidgetProvider != null && attibuteBasedWidgetProvider != null)
{
Log.LogWarning(LogTitle, "Widget for property {0} is defined in both {1} attribute and in {2}() method. Remove one of the definitions. Location: '{3}'"
.FormatWith(property.Name, nameof(FunctionParameterAttribute), nameof(IParameterWidgetsProvider.GetParameterWidgets), filePath));
}
if (!functionParameters.ContainsKey(name))
{
functionParameters.Add(name, new FunctionParameter(name, propType, attr, attibuteBasedWidgetProvider ?? methodBasedWidgetProvider));
}
}
type = type.BaseType;
}
return(functionParameters);
}
