private static void LoadChildNode(WorkAreaModel workArea, XmlElement xmlElement)
{
XmlNodeList xmlNodeList = xmlElement.ChildNodes;
foreach (XmlElement xe in xmlNodeList) //遍历模块节点
{
Assembly assembly = Assembly.GetExecutingAssembly(); // 获取当前程序集
BaseWorkFlow obj = assembly.CreateInstance("WPFDrag.Themes." + xe.Name) as BaseWorkFlow; //反射新建实例
Type type = obj.GetType();
var props = type.GetProperties();
foreach (var prop in props)
{
if (xe.HasAttribute(prop.Name)) //判断是否有该属性
{
if (prop.Name == "Points")
{
PointCollection pc = PointCollection.Parse(xe.GetAttribute("Points")); //设置复杂属性
prop.SetValue(obj, pc);
}
else
{
prop.SetValue(obj, Convert.ChangeType(xe.GetAttribute(prop.Name), prop.PropertyType)); //根据类型设置属性
}
}
}
workArea.WorkAreaItems.Add(obj);
workArea.RegistModelEvent(obj);
if (xe.HasChildNodes) //如果有子节点，则递归读取
{
obj.ChildWorkFlow = new WorkFlowModel();
LoadChildNode(obj.ChildWorkFlow.WorkArea, xe);
}
}
}
/// <summary>
/// 递归子节点，添加xml子节点
/// </summary>
/// <param name="workFlows"></param>
/// <param name="xmlDocument"></param>
/// <param name="xmlElement"></param>
private static void AddChildXml(WorkAreaModel workArea, XmlDocument xmlDocument, XmlElement xmlElement)
{
foreach (IWorkFlowAttributes item in workArea.WorkAreaItems) //遍历工作区所有对象
{
Type type = item.GetType();
// var props = type.GetProperties();
XmlElement itemNode = xmlDocument.CreateElement(string.Empty, type.Name, string.Empty); //新建节点
foreach (string propName in item.Attributes) //遍历需要序列化的属性
{
if (propName == "ChildWorkFlow")
{
BaseWorkFlow wf = item as BaseWorkFlow;
if (wf.ChildWorkFlow != null) //如果存在子流程则递归子流程
{
AddChildXml(wf.ChildWorkFlow.WorkArea, xmlDocument, itemNode);
}
}
else
{ //不存在则设置xml节点属性
itemNode.SetAttribute(propName, type.GetProperty(propName).GetValue(item, null).ToString()); //设置节点属性
}
}
xmlElement.AppendChild(itemNode); //附加对象节点到根节点
}
}
/// <summary>
/// 从xml文件加载对象
/// </summary>
/// <param name="fileName"></param>
public static void LoadXml(WorkAreaModel workArea, string fileName)
{
workArea.WorkAreaItems.Clear();
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.Load(fileName);
XmlElement xmlRoot = xmlDocument.DocumentElement;
LoadChildNode(workArea, xmlRoot);
}
/// <summary>
/// 保存工作区对象到xml
/// </summary>
/// <param name="fileName"></param>
public static void Save2XmlFile(WorkAreaModel workArea, string fileName)
{
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.AppendChild(xmlDocument.CreateXmlDeclaration("1.0", "utf-8", "yes"));
XmlElement xmlRoot = xmlDocument.CreateElement(string.Empty, "WrokFlow", string.Empty);
AddChildXml(workArea, xmlDocument, xmlRoot);
xmlDocument.AppendChild(xmlRoot);
xmlDocument.Save(fileName);
}
