//绑定数据源的Focuse Row 发生改变时产生
void _BindingSource_PositionChanged(object sender, EventArgs e)
{
if (MB.Util.General.IsInDesignMode())
{
return;
}
if (_CurrentIsCancelAddNew)
{
return;
}
if (!_EditBindingSource.CheckExistsCurrentItem())
{
return;
}
_DataValidated.ClearErrorMessage(_EditColumnCtlBinding);
OnBindingSourcePositionChanged();
System.ComponentModel.INotifyPropertyChanged currentMainEditEntity = _EditBindingSource.Current as System.ComponentModel.INotifyPropertyChanged;
if (currentMainEditEntity != null)
{
foreach (INotifyPropertyChanged item in _HasAddMainEntityEvent)
{
item.PropertyChanged -= new PropertyChangedEventHandler(OnCurrentMainEditEntity_PropertyChanged);
}
_HasAddMainEntityEvent.Clear();
_HasAddMainEntityEvent.Add(currentMainEditEntity);
currentMainEditEntity.PropertyChanged += new PropertyChangedEventHandler(OnCurrentMainEditEntity_PropertyChanged);
}
}
internal CollectionViewProxy(ICollectionView view)
{
this.view = view;
view.CollectionChanged += new NotifyCollectionChangedEventHandler(this.OnCollectionChanged);
view.CurrentChanging += new SCM.CurrentChangingEventHandler(this.OnCurrentChanging);
view.CurrentChanged += new EventHandler(this.OnCurrentChanged);
SCM.INotifyPropertyChanged notifyPropertyChanged = view as SCM.INotifyPropertyChanged;
if (notifyPropertyChanged != null)
{
notifyPropertyChanged.PropertyChanged += new SCM.PropertyChangedEventHandler(this.OnPropertyChanged);
}
}
private void OnDeserializedHandler(StreamingContext context)
{
OnDeserialized(context);
foreach (Core.IEditableBusinessObject child in this)
{
child.SetParent(this);
System.ComponentModel.INotifyPropertyChanged c = child as System.ComponentModel.INotifyPropertyChanged;
if (c != null)
{
c.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(Child_PropertyChanged);
}
}
}
//绑定数据源的Focuse Row 发生改变时产生
void _BindingSource_PositionChanged(object sender, EventArgs e)
{
if (MB.Util.General.IsInDesignMode())
{
return;
}
if (_CurrentIsCancelAddNew)
{
return;
}
if (!_BindingSource.CheckExistsCurrentItem())
{
return;
}
_DataValidated.ClearErrorMessage(_EditColumnCtlBinding);
OnBindingSourcePositionChanged();
System.ComponentModel.INotifyPropertyChanged currentMainEditEntity = _BindingSource.Current as System.ComponentModel.INotifyPropertyChanged;
if (currentMainEditEntity != null)
{
foreach (INotifyPropertyChanged item in _HasAddMainEntityEvent)
{
item.PropertyChanged -= new PropertyChangedEventHandler(OnCurrentMainEditEntity_PropertyChanged);
}
_HasAddMainEntityEvent.Clear();
_HasAddMainEntityEvent.Add(currentMainEditEntity);
currentMainEditEntity.PropertyChanged += new PropertyChangedEventHandler(OnCurrentMainEditEntity_PropertyChanged);
}
//如果在新增的状态下，需要附上默认值，默认值赋值结束以后，关闭_IsInAdding开关
if (_IsInAdding)
{
try
{
PopulateDefaultValue(currentMainEditEntity, _ClientRuleObject);
}
finally
{
//重置_IsInAdding为false;
_IsInAdding = false;
}
}
}
/// <summary>
/// Removes an item from the list.
/// </summary>
/// <param name="index">Index of the item
/// to be removed.</param>
protected override void RemoveItem(int index)
{
// delete item from database
T item = this[index];
// only delete/save the item if it is not new
if (!item.IsNew)
{
item.Delete();
SaveItem(index);
}
// disconnect event handler if necessary
System.ComponentModel.INotifyPropertyChanged c = item as System.ComponentModel.INotifyPropertyChanged;
if (c != null)
{
c.PropertyChanged -= new System.ComponentModel.PropertyChangedEventHandler(Child_PropertyChanged);
}
base.RemoveItem(index);
}
