public static object GetPropertyValue(this PropertyInfo prop, object obj, TableOptionsAttribute attr)
{
if (obj == null)
{
return(null);
}
var value = prop.GetValue(obj, null);
if (prop.PropertyType.IsGenericType && prop.PropertyType.GetGenericTypeDefinition() == typeof(Dictionary <,>))
{
return(prop.PropertyType.GetProperty("Item")?.GetValue(value, new object[] { attr.Key }));
}
return(value);
}
public static List <Tuple <TableOptionsAttribute, Type, PropertyInfo> > GetPropertiesTableData <T>(IEnumerable <T> list, string firstLevelName = null, string secondLevelName = null)
where T : class
{
var type = typeof(T);
if (TableDataCache.ContainsKey(type))
{
return(TableDataCache[type]);
}
var hasDynamicColumns = false;
var result = new List <Tuple <TableOptionsAttribute, Type, PropertyInfo> >();
foreach (var propertyInfo in type.GetProperties())
{
if (propertyInfo.Name.IsNullOrEmpty())
{
continue;
}
TableOptionsAttribute tableOptionsAttribute = null;
var tableAttribute = propertyInfo.GetCustomAttributes(typeof(TableOptionsAttribute), false);
if (tableAttribute.Length > 0)
{
tableOptionsAttribute = tableAttribute[0] as TableOptionsAttribute;
}
var displayNameAttributes = propertyInfo.GetCustomAttributes(typeof(DisplayNameAttribute), false);
if (displayNameAttributes.Length > 0)
{
tableOptionsAttribute = tableOptionsAttribute ?? new TableOptionsAttribute();
tableOptionsAttribute.Title = ((DisplayNameAttribute)displayNameAttributes[0]).DisplayName;
}
var displayAttributes = propertyInfo.GetCustomAttributes(typeof(DisplayAttribute), false);
if (displayAttributes.Length > 0)
{
tableOptionsAttribute = tableOptionsAttribute ?? new TableOptionsAttribute();
// Get display attribute and check if it equals to "FirstLevel" or "Second" level. If so - replace title with its value
var displayAttribute = (DisplayAttribute)displayAttributes[0];
var displayAttributeName = displayAttribute.Name;
var displayAttributeNameValue = displayAttribute.GetName();
if (displayAttributeName == "FirstLevel" && firstLevelName.IsNotNullOrEmpty())
{
tableOptionsAttribute.Title = firstLevelName;
}
else if (displayAttributeName == "SecondLevel" && secondLevelName.IsNotNullOrEmpty())
{
tableOptionsAttribute.Title = secondLevelName;
}
else
{
tableOptionsAttribute.Title = displayAttributeNameValue;
}
}
if (tableOptionsAttribute != null)
{
if (tableOptionsAttribute.IsOnlyForSignedUsers && HttpContext.Current.User == null)
{
continue;
}
if (propertyInfo.PropertyType.IsGenericType && propertyInfo.PropertyType.GetGenericTypeDefinition() == typeof(Dictionary <,>))
{
hasDynamicColumns = true;
var data = list?.FirstOrDefault();
var dictionary = data != null
? propertyInfo.GetValue(data) as IDictionary
: null;
if (dictionary != null)
{
var dictionaryType = dictionary.GetType();
var keyType = dictionaryType.GetGenericArguments()[0];
var valueType = dictionaryType.GetGenericArguments()[1];
foreach (DictionaryEntry entry in dictionary)
{
tableOptionsAttribute = new TableOptionsAttribute
{
Key = entry.Key.ToString(),
Name = keyType == typeof(string)
? $"{propertyInfo.Name}['{entry.Key}']"
: $"{propertyInfo.Name}[{entry.Key}]",
Title = entry.Key.ToString(),
Format = tableOptionsAttribute?.Format,
CssClass = tableOptionsAttribute?.CssClass
};
result.Add(new Tuple <TableOptionsAttribute, Type, PropertyInfo>(tableOptionsAttribute, valueType, propertyInfo));
}
}
}
else
{
tableOptionsAttribute.Name = propertyInfo.Name;
result.Add(new Tuple <TableOptionsAttribute, Type, PropertyInfo>(tableOptionsAttribute, propertyInfo.PropertyType, propertyInfo));
}
}
}
if (result.IsNotNullOrEmpty())
{
result = result.OrderBy(item => item.Item1.Order).ToList();
}
if (!hasDynamicColumns)
{
TableDataCache[type] = result;
}
return(result);
}
