private static IDictionary <string, object> GetDataFromNode(ConfigItemNode nodeItem)
{
var result = new ExpandoObject() as IDictionary <string, object>;
foreach (var propertyItem in nodeItem.Properties)
{
object tmpValue = propertyItem.Value;
//是列表对象
if (propertyItem.Value is ObservableCollection <object> listData)
{
tmpValue = GetListData(listData);
}
result.Add(propertyItem.Descriptor.PropertyName, tmpValue);
}
if (nodeItem.SubNodes != null)
{
foreach (var subNode in nodeItem.SubNodes)
{
var subNodeObj = GetDataFromNode(subNode);
result.Add(subNode.Descriptor.PropertyName, subNodeObj);
}
}
return(result);
}
private static ConfigItemNode GetNode(object configItem, DescriptorInfo descriptor)
{
ConfigItemNode result = new ConfigItemNode
{
Properties = new ObservableCollection <ConfigItemProperty>(),
SubNodes = new ObservableCollection <ConfigItemNode>()
};
var propertyInfos = configItem.GetType().GetProperties(BindingFlags.Public | BindingFlags.GetProperty | BindingFlags.Instance);
foreach (var pInfo in propertyInfos)
{
var setter = pInfo.GetSetMethod();
if (setter == null)
{
continue;
}
var value = pInfo.GetValue(configItem);
var valueDescriptor = GetOrCreateDescriptorInfo(pInfo.Name, pInfo.PropertyType, descriptor.PropertyDescriptors,
pInfo.GetCustomAttribute(typeof(DescriptorAttribute)) as DescriptorAttribute);
if (IsValue(pInfo.PropertyType, out bool isList))
{
//property
if (value == null && isList)
{
//构造默认list
value = valueDescriptor.DefaultValue ?? new ObservableCollection <object>();
}
if (isList)
{
value = ConvertToListValue(value, valueDescriptor);
}
ConfigItemProperty tmpP = null;
if (isList)
{
tmpP = new ListItemProperty();
}
else
{
tmpP = new ConfigItemProperty();
}
tmpP.Descriptor = valueDescriptor;
tmpP.Value = value;
if (value == null && valueDescriptor.DefaultValue != null)
{
//没有值，就使用默认值
tmpP.Value = valueDescriptor.DefaultValue;
}
result.Properties.Add(tmpP);
}
else
{
//node
if (value == null)
{
value = Activator.CreateInstance(pInfo.PropertyType);
}
var subPropertyTypes = value.GetType().GetProperties(BindingFlags.Public | BindingFlags.GetProperty | BindingFlags.Instance);
var tmpNode = GetNode(value, valueDescriptor);
result.SubNodes.Add(tmpNode);
}
}
//拷贝，不破坏元对象。只需要保留当前级的信息，节约内存
string oldPropertyName = descriptor.PropertyName;
descriptor = DeepClone(descriptor);
//因为propertyName没有 setter，所以需要重新复制
DescriptorInfo.SetPropertyName(oldPropertyName, descriptor);
result.Descriptor = descriptor;
return(result);
}
