private static void OnDefaultObjectChanged(object o, DependencyPropertyChangedEventArgs e)
{
PropertySetter ps = (PropertySetter)o;
if (ps.Object != null)
{
//默认值改变了，但是对象还没有值，给对象设置值为默认值
if (ps.Object.GetPropertyValue(ps.PropertyName) == null)
{
if (ps.DefaultObject is GeneralObject)
{
//复制默认对象到新对象
GeneralObject go = ps.DefaultObject as GeneralObject;
GeneralObject ngo = new GeneralObject();
ngo.CopyFrom(go);
ps.Object.SetPropertyValue(ps.PropertyName, ngo, false, true);
}
else if (ps.DefaultObject is ObjectList)
{
//复制默认对象到新对象
ObjectList go = ps.DefaultObject as ObjectList;
ObjectList ngo = new ObjectList();
ngo.CopyFrom(go);
ps.Object.SetPropertyValue(ps.PropertyName, ngo, false, true);
}
}
}
}
public void NewPropertyValue(string propertyName)
{
//有属性默认值
var p = (from ps in PropertySetters where ps.PropertyName == propertyName select ps).FirstOrDefault();
if (p != null && p.Default != null)
{
//设置默认属性结果
SetPropertyValue(propertyName, p.Default, true, true);
//如果默认属性是列表，调用列表的New过程
if (p.Default is BaseObjectList)
{
(p.Default as BaseObjectList).New();
}
}
//有默认对象，复制默认对象
else if (p != null && p.DefaultObject != null)
{
if (p.DefaultObject is GeneralObject)
{
//复制默认对象到新对象
GeneralObject go = p.DefaultObject as GeneralObject;
GeneralObject ngo = new GeneralObject();
ngo.CopyFrom(go);
p.Object.SetPropertyValue(p.PropertyName, ngo, false, true);
}
else if (p.DefaultObject is ObjectList)
{
//复制默认对象到新对象
ObjectList go = p.DefaultObject as ObjectList;
ObjectList ngo = new ObjectList();
ngo.CopyFrom(go);
p.Object.SetPropertyValue(p.PropertyName, ngo, false, true);
}
}
else
{
//如果属性是集合
if (GetProperty(propertyName).PropertyType == typeof(BaseObjectList))
{
//如果属性存在，清空集合
BaseObjectList old = (BaseObjectList)this.GetPropertyValue(propertyName);
if (old != null)
{
old.New();
}
//否则，无不置空标记，设置一个空集合
else if (!NotEmpty)
{
SetPropertyValue(propertyName, new ObjectList(), true);
}
}
else
{
SetPropertyValue(propertyName, null, true, true);
}
}
}
//设置列表属性，设置时，将监听其IsModified属性改变事件
private void SetCollectionProperty(string key, BaseObjectList ol)
{
//如果有默认对象，且要设置的列表为空，采用默认对象的复制结果
var p = (from ps in PropertySetters where ps.PropertyName == key select ps).FirstOrDefault();
if (p != null && p.DefaultObject != null && (ol == null || ol.Count == 0))
{
//复制默认对象到新对象
ObjectList go = p.DefaultObject as ObjectList;
ObjectList ngo = new ObjectList();
ngo.CopyFrom(go);
ol = ngo;
}
SetPropertyValue(key, ol, true);
ol.Watch("IsModified", ol_PropertyChanged);
}
public void CopyFrom(GeneralObject go)
{
//复制实体类型
if (go.entityType != null)
{
EntityType = go.EntityType;
}
foreach (string key in go._customPropertyValues.Keys)
{
object value = go._customPropertyValues[key];
//是列表，进行列表复制
if (value is BaseObjectList)
{
//如果列表不存在，新建列表
if (!_customPropertyValues.ContainsKey(key) || _customPropertyValues[key] == null)
{
ObjectList ol = new ObjectList();
SetPropertyValue(key, ol, true);
}
ObjectList nol = (ObjectList)_customPropertyValues[key];
nol.CopyFrom(value as BaseObjectList);
}
//是对象，进行对象复制
else if (value is GeneralObject)
{
SetPropertyValue(key, value, true);
////对象不存在，新建对象
//if (!_customPropertyValues.ContainsKey(key) || _customPropertyValues[key] == null)
//{
// GeneralObject obj = new GeneralObject();
// SetPropertyValue(key, obj, true);
//}
////进行对象复制
//GeneralObject ngo = (GeneralObject)_customPropertyValues[key];
//ngo.CopyFrom((GeneralObject)value);
}
//是一般属性，调用设置属性值的过程
else
{
this.NewGetType();
SetPropertyValue(key, value, true);
}
}
}
public void NewPropertyValue(string propertyName)
{
//有属性默认值
var p = (from ps in PropertySetters where ps.PropertyName == propertyName select ps).FirstOrDefault();
if (p != null && p.Default != null)
{
//设置默认属性结果
SetPropertyValue(propertyName, p.Default, true, true);
//如果默认属性是列表，调用列表的New过程
if (p.Default is BaseObjectList)
{
(p.Default as BaseObjectList).New();
}
}
//有默认对象，复制默认对象
else if (p != null && p.DefaultObject != null)
{
if (p.DefaultObject is GeneralObject)
{
//复制默认对象到新对象
GeneralObject go = p.DefaultObject as GeneralObject;
GeneralObject ngo = new GeneralObject();
ngo.CopyFrom(go);
p.Object.SetPropertyValue(p.PropertyName, ngo, false, true);
}
else if (p.DefaultObject is ObjectList)
{
//复制默认对象到新对象
ObjectList go = p.DefaultObject as ObjectList;
ObjectList ngo = new ObjectList();
ngo.CopyFrom(go);
p.Object.SetPropertyValue(p.PropertyName, ngo, false, true);
}
}
else
{
//如果属性是集合
if (GetProperty(propertyName).PropertyType == typeof(BaseObjectList))
{
//如果属性存在，清空集合
BaseObjectList old = (BaseObjectList)this.GetPropertyValue(propertyName);
if (old != null)
{
old.New();
}
//否则，无不置空标记，设置一个空集合
else if (!NotEmpty)
{
SetPropertyValue(propertyName, new ObjectList(), true);
}
}
else
{
SetPropertyValue(propertyName, null, true, true);
}
}
}
//设置列表属性，设置时，将监听其IsModified属性改变事件
private void SetCollectionProperty(string key, BaseObjectList ol)
{
//如果有默认对象，且要设置的列表为空，采用默认对象的复制结果
var p = (from ps in PropertySetters where ps.PropertyName == key select ps).FirstOrDefault();
if (p != null && p.DefaultObject != null && (ol == null || ol.Count == 0))
{
//复制默认对象到新对象
ObjectList go = p.DefaultObject as ObjectList;
ObjectList ngo = new ObjectList();
ngo.CopyFrom(go);
ol = ngo;
}
SetPropertyValue(key, ol, true);
ol.Watch("IsModified", ol_PropertyChanged);
}