/// <summary>
/// Processes properties for linked dropdowns.
/// </summary>
/// <param name="modelPropertyInfos">The model property infos.</param>
private static void ProcessDropDowns(List <ModelPropertyInfo> modelPropertyInfos)
{
var currentProperties = modelPropertyInfos.ToArray();
foreach (var propertyInfo in currentProperties)
{
if (propertyInfo.DropDownSource != null)
{
var dropdownSourceProperty =
modelPropertyInfos.SingleOrDefault(p => p.Name == propertyInfo.DropDownSource.DropDownPropertyName);
if (dropdownSourceProperty != null)
{
dropdownSourceProperty.DropDownForProperty = propertyInfo;
if (dropdownSourceProperty.PropertyInfo.PropertyType.IsGenericType)
{
var dropdownType = dropdownSourceProperty.PropertyInfo.PropertyType.GetGenericArguments().First();
//Get the display field from the type's custom attributes
var displayAttribute = ModelReflectionHelper.GetDisplayColumnAttribute(dropdownType.GetCustomAttributes(inherit: true));
if (displayAttribute != null)
{
dropdownSourceProperty.DisplayField = displayAttribute.DisplayColumn;
}
//Get the value field from the property marked as key
dropdownSourceProperty.ValueField = ModelReflectionHelper.GetKeyFieldName(dropdownType);
}
propertyInfo.DropDownSourceProperty = dropdownSourceProperty;
}
}
}
}
/// <summary>
/// Gets the ModelPropertyInfo collection for all the properties of a Model.
/// </summary>
/// <param name="targetType">The Model target type.</param>
/// <returns></returns>
private static List <ModelPropertyInfo> GetModelProperties(Type targetType)
{
var modelPropertyInfos = new List <ModelPropertyInfo>();
var properties = targetType.GetProperties(BindingFlags.Instance | BindingFlags.Public);
foreach (var property in properties)
{
var attributes = property.GetCustomAttributes(false);
var modelPropertyInfo = new ModelPropertyInfo
{
Name = property.Name,
PropertyInfo = property,
IsRequired = (property.PropertyType == typeof(Int32)) || ModelReflectionHelper.CheckHasRequiredAttribute(attributes),
Length = ModelReflectionHelper.GetLenghtAttribute(attributes),
ExtXType = ModelReflectionHelper.GetExtXType(property, attributes),
Label = ModelReflectionHelper.GetLabel(attributes) ?? property.Name,
DropDownSource = ModelReflectionHelper.GetDropDownAttribute(attributes),
Mapping = ModelReflectionHelper.GetMappingAttribute(attributes)
};
modelPropertyInfos.Add(modelPropertyInfo);
}
ModelReflector.ProcessDropDowns(modelPropertyInfos);
return(modelPropertyInfos);
}
/// <summary>
/// Gets the ExtJS XType for the property from it's custom attributes.
/// </summary>
/// <param name="propertyInfo">The model property's type.</param>
/// <param name="attributes">The collection of custom attributes.</param>
/// <returns></returns>
public static string GetExtXType(PropertyInfo propertyInfo, object[] attributes)
{
if (propertyInfo.PropertyType.IsGenericType && propertyInfo.PropertyType.GetGenericTypeDefinition() == typeof(IEnumerable <>))
{
return(ExtJsXTypes.combo.ToString());
}
var dropdownAttribute = ModelReflectionHelper.GetDropDownAttribute(attributes);
if (dropdownAttribute != null)
{
return(ExtJsXTypes.combo.ToString());
}
return(ExtJsXTypes.textfield.ToString());
}
