protected override int FindIndex(object item, object seed, IComparer <object> comparer, int low, int high)
{
System.ComponentModel.IEditableCollectionView editableCollectionView = this.view as System.ComponentModel.IEditableCollectionView;
if (editableCollectionView != null && editableCollectionView.IsAddingNew)
{
--high;
}
return(base.FindIndex(item, seed, comparer, low, high));
}
void SCM.IEditableCollectionView.RemoveAt(int index)
{
SCM.IEditableCollectionView proxiedView = this.ProxiedView as SCM.IEditableCollectionView;
if (proxiedView == null)
{
throw new InvalidOperationException("RemoveAt is not allowed for view");
}
proxiedView.RemoveAt(index);
}
void SCM.IEditableCollectionView.EditItem(object item)
{
SCM.IEditableCollectionView proxiedView = this.ProxiedView as SCM.IEditableCollectionView;
if (proxiedView == null)
{
throw new InvalidOperationException("EditItem is not allowed for view");
}
proxiedView.EditItem(item);
}
void SCM.IEditableCollectionView.CommitNew()
{
SCM.IEditableCollectionView proxiedView = this.ProxiedView as SCM.IEditableCollectionView;
if (proxiedView == null)
{
throw new InvalidOperationException("CommitNew is not allowed for view");
}
proxiedView.CommitNew();
}
object SCM.IEditableCollectionView.AddNew()
{
SCM.IEditableCollectionView proxiedView = this.ProxiedView as SCM.IEditableCollectionView;
if (proxiedView == null)
{
throw new InvalidOperationException("AddNew is not allowed for view");
}
return(proxiedView.AddNew());
}
public virtual void Refresh()
{
SCM.IEditableCollectionView editableCollectionView = this as SCM.IEditableCollectionView;
if (editableCollectionView != null && (editableCollectionView.IsAddingNew || editableCollectionView.IsEditingItem))
{
throw new InvalidOperationException("CollectionView_Member NotAllowed During Refresh");
}
else
{
this.RefreshInternal();
}
}
public virtual IDisposable DeferRefresh()
{
SCM.IEditableCollectionView editableCollectionView = this as SCM.IEditableCollectionView;
if (editableCollectionView != null && (editableCollectionView.IsAddingNew || editableCollectionView.IsEditingItem))
{
throw new InvalidOperationException("CollectionView_Member NotAllowed During DeferRefresh");
}
else
{
++this.deferLevel;
return((IDisposable) new CollectionView.DeferHelper(this));
}
}
public virtual bool MoveCurrentTo(object item)
{
this.VerifyRefreshNotDeferred();
if (object.Equals(this.CurrentItem, item) && (item != null || this.IsCurrentInView))
{
return(this.IsCurrentInView);
}
int position = -1;
SCM.IEditableCollectionView editableCollectionView = this as SCM.IEditableCollectionView;
if ((editableCollectionView != null && editableCollectionView.IsAddingNew && object.Equals(item, editableCollectionView.CurrentAddItem)) || item == null || this.PassesFilter(item))
{
position = this.IndexOf(item);
}
return(this.MoveCurrentToPosition(position));
}
