public static ExtendProperty RegisterProperty(string propertyName, Type propertyType, Type ownerType, object defaultValue, MetaData metaData)
{
var property = new ExtendProperty(propertyName, propertyType, ownerType);
property.OverrideDefaultValue(ownerType, defaultValue);
property.MetaData = metaData;
ExtendPropertysProvider.Set(property.GetHashCode(), property);
return(property);
}
public bool ClearValue(ExtendProperty property)
{
bool result = false;
int propertyHash = property.GetHashCode();
int key = this.GetHashCode() ^ propertyHash;
if (propertyValues.Keys.Any(k => k == key))
{
object outObj = null;
propertyValues.TryRemove(key, out outObj);
result = true;
}
return(result);
}
public object GetValue(ExtendProperty property)
{
int propertyHash = property.GetHashCode();
int key = this.GetHashCode() ^ propertyHash;
object result = null;
if (!propertyValues.TryGetValue(key, out result))
{
result = property.GetDefaultValue(this.OwnerType);
if (result == null)
{
result = property.DefaultValue;
}
}
return(result);
}
public virtual void SetValue(ExtendProperty property, object value)
{
var changingItemArgs =
new ExtendPropertyValueChangingArgs()
{
Value = value,
Item = GetOwner(),
PropertyType = property.PropertyType,
PropertyName = property.PropertyName,
Cancel = false
};
property.OnValueChanging(changingItemArgs);
if (!changingItemArgs.Cancel)
{
var changedItemArgs = new ExtendPropertyValueChangedArgs();
int propertyHash = property.GetHashCode();
int key = this.GetHashCode() ^ propertyHash;
if (propertyValues.Keys.Any(k => k == key))
{
changedItemArgs.OldValue = propertyValues[key];
propertyValues[key] = value;
}
else
{
changedItemArgs.OldValue = null;
propertyValues.TryAdd(key, value);
}
changedItemArgs.Item = GetOwner();
changedItemArgs.PropertyType = property.PropertyType;
changedItemArgs.PropertyName = property.PropertyName;
changedItemArgs.NewValue = value;
changedItemArgs.PropertyInfo = property;
property.OnValueChanged(changedItemArgs);
OnPropertyChanged(property);
//OnChildrenPropertyChanged(changedItemArgs);
}
}
public static ExtendProperty RegisterProperty(string propertyName, Type propertyType, Type ownerType,object defaultValue,MetaData metaData)
{
var property = new ExtendProperty(propertyName, propertyType, ownerType);
property.OverrideDefaultValue(ownerType, defaultValue);
property.MetaData = metaData;
ExtendPropertysProvider.Set(property.GetHashCode(), property);
return property;
}