protected void PrepareChildrenElements()
{
PropertyInfo[] pInfos = this.GetType().GetProperties();
this.Items = null;
this.ItemTypes = null;
List <Tuple <int, IEnumerable <Element> > > childElementList = new List <Tuple <int, IEnumerable <Element> > >();
foreach (PropertyInfo pInfo in pInfos)
{
ChildElementAttribute[] attributes = pInfo.GetCustomAttributes(typeof(ChildElementAttribute), true) as ChildElementAttribute[];
if (attributes.Count() > 0)
{
ChildElementAttribute attribute = attributes[0];
object pValue = pInfo.GetValue(this, null);
if (pValue != null)
{
if (attribute.ChildCategory == ChildCategory.Element)
{
var childElement = pValue as Element;
if (childElement != null)
{
childElement.PrepareChildrenElements();
}
}
else if (attribute.ChildCategory == ChildCategory.ChildrenColection || attribute.ChildCategory == ChildCategory.ChildrenList)
{
IEnumerable <Element> elements = pValue as IEnumerable <Element>;
if (elements != null)
{
if (elements.Count() == 0)
{
pInfo.SetValue(this, null, null);
}
else
{
foreach (var element in elements)
{
element.PrepareChildrenElements();
}
if (attribute.ChildCategory == ChildCategory.ChildrenColection)
{
childElementList.Add(new Tuple <int, IEnumerable <Element> >(attribute.Order, elements));
}
}
}
}
}
}
}
if (childElementList.Count > 0)
{
List <Element> tElements = new List <Element>();
foreach (var item in childElementList.OrderBy(row => row.Item1))
{
tElements.AddRange(item.Item2);
}
this.Items = tElements.ToArray();
this.ItemTypes = tElements.Select(row => row.ElementType).ToArray();
}
}
protected void RevertChildrenElements()
{
Dictionary <string, List <Element> > dic = new Dictionary <string, List <Element> >();
if (this.Items != null)
{
var group = this.Items.GroupBy(row => row.GetType().FullName);
foreach (var item in group)
{
dic.Add(item.Key, item.ToList <Element>());
}
}
PropertyInfo[] pInfos = this.GetType().GetProperties();
foreach (var pInfo in pInfos)
{
object pValue = pInfo.GetValue(this, null);
ChildElementAttribute[] attributes = pInfo.GetCustomAttributes(typeof(ChildElementAttribute), true) as ChildElementAttribute[];
if (attributes.Count() > 0)
{
ChildElementAttribute attribute = attributes[0];
if (attribute.ChildCategory == ChildCategory.Element)
{
var childElement = pValue as Element;
if (childElement != null)
{
childElement.RevertChildrenElements();
}
}
else
{
if (dic.Keys.Contains(attribute.ChildType.ToString()))
{
Type t = attribute.ChildType;
IList list = Element.CreateGetInvoker(this.GetType(), pInfo)(this) as IList; //; pInfo.GetGetMethod().Invoke(this, null) as IList;
if (list == null)
{
continue;
}
IList values = dic[attribute.ChildType.ToString()] as IList;
if (values == null)
{
continue;
}
foreach (var item in values)
{
Element.ListAdd(list, item, t);
}
IEnumerable <Element> elements = pValue as IEnumerable <Element>;
if (elements != null)
{
foreach (var element in elements)
{
element.RevertChildrenElements();
}
}
}
}
}
}
}