/// <summary>
/// Creates the filter expression node.
/// </summary>
/// <param name="pattern">The pattern.</param>
/// <param name="displayName">The display name.</param>
/// <param name="metaClass">The meta class.</param>
/// <returns></returns>
protected virtual IEnumerable <ElementDefs> GetElementDefsByMetaClass(string pattern, MetaClass metaClass)
{
if (metaClass == null)
{
throw new ArgumentNullException("metaClass");
}
foreach (MetaField field in metaClass.MetaFields)
{
if (customFieldFiter.All(x => x(field)))
{
IEnumerable <ElementDefs> conditonDef;
if (MetaDataType2ElDefMap.TryGetValue(field.DataType, out conditonDef))
{
string codeExpr = string.IsNullOrEmpty(pattern) ? field.Name : string.Format(pattern, field.Name);
string dynamicKey = ElementDefs.GetDynamicKey(metaClass.Name + "." + field.Name + "." + codeExpr);
ElementDefs retVal = new ElementDefs()
{
Key = dynamicKey, Name = codeExpr,
Descr = field.FriendlyName, Conditions = conditonDef
};
yield return(retVal);
}
}
}
}