private static Layout CreateLayoutFromRoot(XElement root)
{
string type = root.Attribute("type").Value;
string[] parts = type.Split(':');
string fname = AppDomain.CurrentDomain.BaseDirectory + parts[0];
if (!File.Exists(fname))
{
return(null);
}
Assembly assembly = Assembly.LoadFile(fname);
if (assembly == null)
{
return(null);
}
object obj = assembly.CreateInstance(parts[1]); //无法创建只有带参数构造函数的对象
if (obj == null)
{
return(null);
}
IPersitable persitable = obj as IPersitable;
persitable.InitByXml(root);
return(persitable as Layout);
}
private static void CreateInstanceFromElement(XElement node, IElement element)
{
if (node != null && node.Name != null && node.Name == "GeoGridLayer")
{
return;
}
string type = node.Attribute(XName.Get("type")).Value;
string[] parts = type.Split(':');
string fname = AppDomain.CurrentDomain.BaseDirectory + parts[0];
if (!File.Exists(fname))
{
return;
}
Assembly assembly = Assembly.LoadFile(fname);
if (assembly == null)
{
return;
}
object obj = assembly.CreateInstance(parts[1]);
IPersitable persitable = obj as IPersitable;
persitable.InitByXml(node);
IElementGroup group = element as IElementGroup;
if (group != null)
{
group.Elements.Add(persitable as IElement);
}
//递归
IEnumerable <XElement> elements = node.Elements();
if (elements == null || elements.Count() == 0)
{
return;
}
foreach (XElement ele in elements)
{
CreateInstanceFromElement(ele, persitable as IElement);
}
return;
}