//------------------------------------------------------
//
// Protected Methods
//
//------------------------------------------------------
#region Protected Methods
/// <summary>
/// Re-create the view, using any <seealso cref="CollectionView.SortDescriptions"/> and/or <seealso cref="CollectionView.Filter"/>.
/// </summary>
protected override void RefreshOverride()
{
bool wasEmpty = IsEmpty;
object oldCurrentItem = CurrentItem;
bool oldIsCurrentAfterLast = IsCurrentAfterLast;
bool oldIsCurrentBeforeFirst = IsCurrentBeforeFirst;
int oldCurrentPosition = CurrentPosition;
// force currency off the collection (gives user a chance to save dirty information)
OnCurrentChanging();
if (SortDescriptions.Count > 0 || Filter != null)
{
// filter the view list
if (Filter == null)
{
_viewList = new ArrayList(_rawList);
}
else
{
// optimized for footprint: initialize to size 0 and let AL amortize cost of growth
_viewList = new ArrayList();
for (int k = 0; k < _rawList.Count; ++k)
{
if (Filter(_rawList[k]))
{
_viewList.Add(_rawList[k]);
}
}
}
// sort the view list
if (_sort != null && _sort.Count > 0 && ViewCount > 0)
{
SortFieldComparer.SortHelper(_viewList, new SortFieldComparer(_sort, Culture));
}
}
else // no sort or filter
{
_viewList = _rawList;
}
if (IsEmpty || oldIsCurrentBeforeFirst)
{
_MoveCurrentToPosition(-1);
}
else if (oldIsCurrentAfterLast)
{
_MoveCurrentToPosition(ViewCount);
}
else if (oldCurrentItem != null) // set currency back to old current item, or first if not found
{
int index = _viewList.IndexOf(oldCurrentItem);
if (index < 0)
{
index = 0;
}
_MoveCurrentToPosition(index);
}
ClearIsModified();
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
OnCurrentChanged();
if (IsCurrentAfterLast != oldIsCurrentAfterLast)
{
OnPropertyChanged(IsCurrentAfterLastPropertyName);
}
if (IsCurrentBeforeFirst != oldIsCurrentBeforeFirst)
{
OnPropertyChanged(IsCurrentBeforeFirstPropertyName);
}
if (oldCurrentPosition != CurrentPosition)
{
OnPropertyChanged(CurrentPositionPropertyName);
}
if (oldCurrentItem != CurrentItem)
{
OnPropertyChanged(CurrentItemPropertyName);
}
}
// Token: 0x06007815 RID: 30741 RVA: 0x00223A18 File Offset: 0x00221C18
protected override void RefreshOverride()
{
bool isEmpty = this.IsEmpty;
object currentItem = this.CurrentItem;
bool isCurrentAfterLast = this.IsCurrentAfterLast;
bool isCurrentBeforeFirst = this.IsCurrentBeforeFirst;
int currentPosition = this.CurrentPosition;
base.OnCurrentChanging();
if (this.SortDescriptions.Count > 0 || this.Filter != null)
{
if (this.Filter == null)
{
this._viewList = new ArrayList(this._rawList);
}
else
{
this._viewList = new ArrayList();
for (int i = 0; i < this._rawList.Count; i++)
{
if (this.Filter(this._rawList[i]))
{
this._viewList.Add(this._rawList[i]);
}
}
}
if (this._sort != null && this._sort.Count > 0 && this.ViewCount > 0)
{
SortFieldComparer.SortHelper(this._viewList, new SortFieldComparer(this._sort, this.Culture));
}
}
else
{
this._viewList = this._rawList;
}
if (this.IsEmpty || isCurrentBeforeFirst)
{
this._MoveCurrentToPosition(-1);
}
else if (isCurrentAfterLast)
{
this._MoveCurrentToPosition(this.ViewCount);
}
else if (currentItem != null)
{
int num = this._viewList.IndexOf(currentItem);
if (num < 0)
{
num = 0;
}
this._MoveCurrentToPosition(num);
}
this.ClearIsModified();
this.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
this.OnCurrentChanged();
if (this.IsCurrentAfterLast != isCurrentAfterLast)
{
this.OnPropertyChanged("IsCurrentAfterLast");
}
if (this.IsCurrentBeforeFirst != isCurrentBeforeFirst)
{
this.OnPropertyChanged("IsCurrentBeforeFirst");
}
if (currentPosition != this.CurrentPosition)
{
this.OnPropertyChanged("CurrentPosition");
}
if (currentItem != this.CurrentItem)
{
this.OnPropertyChanged("CurrentItem");
}
}
