public BoundCollectionChangedEventArgs(string propertyName, NotifyCollectionChangedEventArgs sourceEventArgs, IBinding binding, object[] PreviousCollectionContent)
{
Argument.NotNull(() => sourceEventArgs);
this.PropertyName = propertyName;
this.SourceEventArgs = sourceEventArgs;
this.Binding = binding;
this.PreviousCollectionContent = PreviousCollectionContent;
}
void ActiveItems_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if(e.OldItems != null)
{
foreach(ISelectable item in e.OldItems)
{
item.RemoveHighlightColor(ActiveColor);
}
}
if (e.NewItems != null)
{
foreach (ISelectable item in e.NewItems)
{
item.AddHighlightColor(ActiveColor);
}
}
}
void Polygons_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if(e.NewItems != null)
{
foreach(GMapPolygon obj in e.NewItems)
{
if(obj != null)
{
obj.Overlay = this;
Control.UpdatePolygonLocalPosition(obj);
}
}
}
if(!Control.HoldInvalidation)
{
Control.Core_OnNeedInvalidation();
}
}
public void Test_New()
{
var args = new NotifyCollectionChangedEventArgs<int>(NotifyCollectionChangedAction.Add, new List<int> { 1 }, null);
Assert.Equal(NotifyCollectionChangedAction.Add, args.Action);
Assert.NotNull(args.NewItems);
Assert.Equal(1, args.NewItems.Count);
Assert.Contains(1, args.NewItems);
Assert.Null(args.OldItems);
args = new NotifyCollectionChangedEventArgs<int>(NotifyCollectionChangedAction.Move, new List<int> { 1 }, new List<int> { 3, 4 });
Assert.Equal(NotifyCollectionChangedAction.Move, args.Action);
Assert.NotNull(args.NewItems);
Assert.Equal(1, args.NewItems.Count);
Assert.Contains(1, args.NewItems);
Assert.NotNull(args.OldItems);
Assert.Equal(2, args.OldItems.Count);
Assert.Contains(3, args.OldItems);
Assert.Contains(4, args.OldItems);
args = new NotifyCollectionChangedEventArgs<int>(NotifyCollectionChangedAction.Remove, null, new List<int> { 3, 4 });
Assert.Equal(NotifyCollectionChangedAction.Remove, args.Action);
Assert.Null(args.NewItems);
Assert.NotNull(args.OldItems);
Assert.Equal(2, args.OldItems.Count);
Assert.Contains(3, args.OldItems);
Assert.Contains(4, args.OldItems);
args = new NotifyCollectionChangedEventArgs<int>(NotifyCollectionChangedAction.Replace, new List<int> { 1 }, new List<int> { 5 });
Assert.Equal(NotifyCollectionChangedAction.Replace, args.Action);
Assert.NotNull(args.NewItems);
Assert.Equal(1, args.NewItems.Count);
Assert.Contains(1, args.NewItems);
Assert.NotNull(args.OldItems);
Assert.Equal(1, args.OldItems.Count);
Assert.Contains(5, args.OldItems);
args = new NotifyCollectionChangedEventArgs<int>(NotifyCollectionChangedAction.Reset, null, null);
Assert.Equal(NotifyCollectionChangedAction.Reset, args.Action);
Assert.Null(args.NewItems);
Assert.Null(args.OldItems);
}
public void collection_changed_is_not_propagated_from_child_node_after_disconnect()
{
var propertyName = "Nested";
var obj = new TestClass();
var childEventStream = new Subject<BoundCollectionChangedEventArgs>();
InitMocks();
InitTestObjectWithCollectionChangedStream(childEventStream, obj);
var events = new List<BoundCollectionChangedEventArgs>();
testObject.CollectionChangedEventStream.Subscribe(ev => events.Add(ev));
testObject.Disconnect();
var fakeCollectionChangedEventArgs = new NotifyCollectionChangedEventArgs();
childEventStream.OnNext(new BoundCollectionChangedEventArgs(propertyName, fakeCollectionChangedEventArgs, null, null));
Assert.Empty(events);
}
public void collection_changed_is_propagated_from_child_node()
{
var propertyName = "Nested";
var obj = new TestClass();
var childEventStream = new Subject<BoundCollectionChangedEventArgs>();
InitMocks();
InitTestObjectWithCollectionChangedStream(childEventStream, obj);
var events = new List<BoundCollectionChangedEventArgs>();
testObject.CollectionChangedEventStream.Subscribe(ev => events.Add(ev));
var fakeCollectionChangedEventArgs = new NotifyCollectionChangedEventArgs();
childEventStream.OnNext(new BoundCollectionChangedEventArgs(propertyName, fakeCollectionChangedEventArgs, null, null));
Assert.Equal(1, events.Count);
Assert.Equal(propertyName, events[0].PropertyName);
Assert.Equal(fakeCollectionChangedEventArgs, events[0].SourceEventArgs);
}
public void BoundCollectionChanged_event_from_child_passed_on()
{
InitMocks(1);
var childEventStream = new Subject<BoundCollectionChangedEventArgs>();
mockArrayItemBindings[0]
.Setup(m => m.CollectionChangedEventStream)
.Returns(childEventStream);
InitTestObject(testArray);
var events = new List<BoundCollectionChangedEventArgs>();
testObject.CollectionChangedEventStream.Subscribe(ev => events.Add(ev));
var fakeCollectionChangedEventArgs = new NotifyCollectionChangedEventArgs();
childEventStream.OnNext(new BoundCollectionChangedEventArgs("Nested", fakeCollectionChangedEventArgs, null, null));
Assert.Equal(1, events.Count);
Assert.Equal("Nested", events[0].PropertyName);
Assert.Equal(fakeCollectionChangedEventArgs, events[0].SourceEventArgs);
}
private void ResultOperators_CollectionChanged (object sender, NotifyCollectionChangedEventArgs e)
{
ArgumentUtility.CheckNotNull ("e", e);
ArgumentUtility.CheckItemsNotNullAndType ("e.NewItems", e.NewItems, typeof (ResultOperatorBase));
}
private void ItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, sender, sender, IndexOf((T)sender));
//OnCollectionChanged(args);
}
private void Orderings_CollectionChanged (object sender, NotifyCollectionChangedEventArgs e)
{
ArgumentUtility.CheckNotNull ("e", e);
ArgumentUtility.CheckItemsNotNullAndType ("e.NewItems", e.NewItems, typeof (Ordering));
}
private void FramesCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.OldItems != null && e.OldItems.Count > 0)
{
foreach (MetroTileFrame item in e.OldItems)
{
item.PropertyChanged -= FramePropertyChanged;
}
}
if (e.NewItems != null && e.NewItems.Count > 0)
{
foreach (MetroTileFrame item in e.NewItems)
{
item.PropertyChanged += FramePropertyChanged;
}
}
if (_CurrentFrame >= _Frames.Count)
{
_CurrentFrame = 0;
this.Refresh();
}
}
protected override void OnItemsChanged(NotifyCollectionChangedEventArgs e)
{
this.ReindexItems();
base.OnItemsChanged(e);
}
private void Lights_CollectionChanged(object sender, NotifyCollectionChangedEventArgs<Light> e)
{
this.buildPhotonMaps = true;
}
void items_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
updateItems();
}
protected void PropertyGroupsChanged(object sender, NotifyCollectionChangedEventArgs e)
{
OnPropertyChanged(nameof(PropertyGroups));
}
private void ServerListChanged(object sender, NotifyCollectionChangedEventArgs e)
{
//EntitySerializer.Instance.StoreEntities(Entities);
ApplicationManager.Instance.TriggerServerListEvent(this, new EventArgs());
ApplicationManager.Instance.MainViewModel.SetServerList(ref entities);
}
/* Implementation */
private void ModsOnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
RaiseCanExecute(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
private void EventListenersCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
// let's make this real simple, just invalidate the eventhandlers property
this.EventHandlers.Invalidate(this.EventListeners);
}
void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
InvalidateEnumerator();
}
void points_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
addPointCommand.RaiseCanExecuteChanged();
removePointCommand.RaiseCanExecuteChanged();
}
private void OnCollectionChanged(object sender,
NotifyCollectionChangedEventArgs e)
{
_hub.Dispatcher.RunAsync(
CoreDispatcherPriority.Normal, Apply);
}
void Routes_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if(e.NewItems != null)
{
foreach(GMapRoute obj in e.NewItems)
{
if(obj != null)
{
obj.Overlay = this;
if(Control != null)
{
Control.UpdateRouteLocalPosition(obj);
}
}
}
}
if(Control != null)
{
if(!Control.HoldInvalidation)
{
Control.Core.Refresh.Set();
}
}
}
/// <summary>
/// Forwards CollectionChanged notifications for the GenericTypeArguments property to the parent model element
/// </summary>
/// <param name="sender">The collection that raised the change</param>
/// <param name="e">The original event data</param>
private void GenericTypeArgumentsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
this.OnCollectionChanged("GenericTypeArguments", e, _genericTypeArgumentsReference);
}
void CellsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Replace:
case NotifyCollectionChangedAction.Add:
GridPanel panel = GridPanel;
if (e.Action == NotifyCollectionChangedAction.Replace)
{
for (int i = 0; i < e.OldItems.Count; i++)
{
GridCell cell = e.OldItems[i] as GridCell;
if (cell != null)
{
if (panel.ExpDictionary.ContainsKey(cell))
panel.ExpDictionary.Remove(cell);
}
}
}
for (int i = 0; i < e.NewItems.Count; i++)
{
GridCell cell = e.NewItems[i] as GridCell;
if (cell != null)
{
cell.Parent = this;
cell.ColumnIndex = e.NewStartingIndex + i;
if (panel != null)
{
string newExp = cell.Value as string;
if (newExp != null)
{
newExp = newExp.Trim();
if (newExp.StartsWith("="))
cell.SetCellExp(panel, newExp);
}
}
}
}
break;
default:
for (int i = 0; i < _Cells.Count; i++)
{
_Cells[i].Parent = this;
_Cells[i].ColumnIndex = i;
}
break;
}
if (SuperGrid != null)
{
GridCell cell = SuperGrid.ActiveElement as GridCell;
if (cell != null)
{
if (cell.GridRow == this && cell.ColumnIndex < Cells.Count)
SuperGrid.ActiveElement = Cells[cell.ColumnIndex];
}
}
NeedsMeasured = true;
if (GridPanel != null && GridPanel.VirtualMode == false)
InvalidateLayout();
}
private void OnChildrenCollectionChanged(object sender, NotifyCollectionChangedEventArgs e) => OnChildrenChanged();
private void Primitives_CollectionChanged(object sender, NotifyCollectionChangedEventArgs<Primitive> e)
{
this.buildPhotonMaps = true;
}
private void onSamplesChanged(object sender, NotifyCollectionChangedEventArgs e) => LoadSamples();
private void RaiseCollectionChanged(NotifyCollectionChangedEventArgs e)
{
CollectionChanged?.Invoke(this, e);
}
public static void RaiseCollectionChanged(this INotifyCollectionChanged sender, NotifyCollectionChangedEventArgs eventArgs) => Events.InvokeEvent(sender, nameof(INotifyCollectionChanged.CollectionChanged), eventArgs);
void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
UpdatePoints();
}
private void parentItemsContentChanged(object sender, NotifyCollectionChangedEventArgs e)
{
resetParentItems();
}
void CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
if (e.NewStartingIndex != -1)
{
if (e.NewItems.Count == 1)
{
InsertItem(e.NewStartingIndex, (TItem)e.NewItems[0]);
}
else
{
InsertRange(e.NewStartingIndex, e.NewItems.Cast <TItem>());
}
}
else
{
AddRange(e.NewItems.Cast <TItem>());
}
break;
case NotifyCollectionChangedAction.Move:
if (e.OldStartingIndex != -1)
{
RemoveRange(e.OldStartingIndex, e.OldItems.Count);
}
else
{
RemoveRange(e.OldItems.Cast <TItem>());
}
InsertRange(e.NewStartingIndex, e.NewItems.Cast <TItem>());
break;
case NotifyCollectionChangedAction.Remove:
if (e.OldStartingIndex != -1)
{
if (e.OldItems.Count == 1)
{
RemoveItem(e.OldStartingIndex);
}
else
{
RemoveRange(e.OldStartingIndex, e.OldItems.Count);
}
}
else
{
RemoveRange(e.OldItems.Cast <TItem>());
}
break;
case NotifyCollectionChangedAction.Replace:
if (e.OldStartingIndex != -1)
{
RemoveRange(e.OldStartingIndex, e.OldItems.Count);
InsertRange(e.OldStartingIndex, e.NewItems.Cast <TItem>());
}
else
{
for (int i = 0; i < e.OldItems.Count; i++)
{
var index = IndexOf((TItem)e.OldItems[i]);
RemoveItem(index);
InsertItem(index, (TItem)e.NewItems[i]);
}
}
break;
case NotifyCollectionChangedAction.Reset:
Reset();
break;
}
}
protected virtual void OnItemsCollectionChagned(object sender, NotifyCollectionChangedEventArgs e) => _tablayout.Visibility = (SectionController.GetItems().Count > 1) ? ViewStates.Visible : ViewStates.Gone;
private void SkippedRecurrencesCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
OnPropertyChanged(new PropertyChangedEventArgs("SkippedRecurrences"));
}
protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
{
base.OnCollectionChanged(e);
owner.Invalidate();
}
private void OnMenuItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
{
QueueReset();
}
private void OnNotifyCollectionChanged(NotifyCollectionChangedEventArgs args)
{
this.CollectionChanged?.Invoke(this, args);
}
private void BodyClauses_CollectionChanged (object sender, NotifyCollectionChangedEventArgs e)
{
ArgumentUtility.CheckNotNull ("e", e);
ArgumentUtility.CheckItemsNotNullAndType ("e.NewItems", e.NewItems, typeof (IBodyClause));
if (e.NewItems != null)
{
foreach (var fromClause in e.NewItems.OfType<IFromClause>())
_uniqueIdentifierGenerator.AddKnownIdentifier (fromClause.ItemName);
}
}
/// <summary>
/// This event will be called when the AdditonalQueryPrams dictionary changed. We have to reset the cached values.
/// </summary>
private void AdditionalQueryParams_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
BuiltQueryParams = null;
}
void ItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
GridPanel panel = GridPanel;
bool dataRowChange = false;
switch (e.Action)
{
case NotifyCollectionChangedAction.Replace:
case NotifyCollectionChangedAction.Add:
foreach (GridElement item in e.NewItems)
{
if (panel != null && panel.VirtualMode == true)
throw new Exception("Virtual Grid can not have nested items.");
item.Parent = this;
item.NeedsMeasured = true;
if (panel != null)
{
GridRow row = item as GridRow;
if (row != null)
{
dataRowChange = true;
if (e.Action == NotifyCollectionChangedAction.Replace)
panel.RemoveFromExpDictionary(row);
panel.AddToExpDictionary(row);
}
else
{
panel.NeedToUpdateIndicees = true;
}
panel.ExpandDeletedAtIndex(FullIndex + 1, 1);
panel.NeedToUpdateIndicees = true;
}
}
if (dataRowChange == true && panel.GroupColumns.Count > 0)
NeedsGrouped = true;
break;
case NotifyCollectionChangedAction.Reset:
if (panel != null)
{
dataRowChange = true;
panel.ClearAll();
panel.ExpDictionary.Clear();
}
break;
case NotifyCollectionChangedAction.Remove:
if (panel != null)
{
dataRowChange = true;
panel.ClearAll();
if (panel.ExpDictionary.Count > 0)
{
foreach (GridContainer item in e.OldItems)
panel.RemoveFromExpDictionary(item as GridRow);
}
}
break;
}
InvalidateLayout();
if (dataRowChange == true)
{
panel.UpdateRowCount();
SuperGrid.Invalidate();
}
}
void Markers_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if(e.NewItems != null)
{
foreach(GMapMarker obj in e.NewItems)
{
if(obj != null)
{
obj.Overlay = this;
Control.UpdateMarkerLocalPosition(obj);
}
}
}
if(e.Action == NotifyCollectionChangedAction.Remove || e.Action == NotifyCollectionChangedAction.Reset)
{
#if !PocketPC
if(Control.IsMouseOverMarker)
{
Control.IsMouseOverMarker = false;
Control.Cursor = Cursors.Default;
}
#endif
}
if(!Control.HoldInvalidation)
{
Control.Core_OnNeedInvalidation();
}
}
void ItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
GridPanel panel = GridPanel;
if (panel != null)
{
panel.NeedToUpdateIndicees = true;
panel.InvalidateLayout();
}
}
private void vertices_CollectionChanged(object sender, NotifyCollectionChangedEventArgs<Point3D> e)
{
switch (e.Action) {
case NotifyCollectionChangedAction.Add:
case NotifyCollectionChangedAction.Remove:
case NotifyCollectionChangedAction.Replace:
this.Preprocess();
break;
}
}
private void Materials_CollectionChanged(object sender, NotifyCollectionChangedEventArgs<Material> e)
{
this.buildPhotonMaps = true;
}
private void OnZoneCategoriesCollectionChanged(object sender, NotifyCollectionChangedEventArgs<IZoneCategory> e)
{
var referenceList = new List<IZoneCategory>();
if (e.Action != NotifyCollectionChangedAction.Move)
{
referenceList.AddRange(e.NewItems);
referenceList.AddRange(e.OldItems);
if (referenceList != null)
{
foreach (IZoneCategory currentItem in referenceList)
{
if (ZoneCategoryListChanged != null)
{
ZoneCategoryListChanged(this, currentItem);
}
}
}
}
}
protected virtual void OnCollectionChanged(NotifyCollectionChangedEventArgs args)
{
CollectionChanged?.Invoke(this, args);
}
private void ItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs args)
{
InitItems(Items);
}
/// <summary>
/// Occurs when the items collection changes.
/// </summary>
private async void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
await CollectionChangedAsync(e);
}
protected virtual void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
{
RaiseCollectionChanged(e);
RaisePropertyChanged(new PropertyChangedEventArgs(nameof(Count)));
}
private void OnPointCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
RegisterCollectionItemPropertyChanged(e.NewItems);
UnRegisterCollectionItemPropertyChanged(e.OldItems);
SetWrapToothRect();
}
void RepositoriesOnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e) {
UpdateTokens();
}
public static void Raise (this NotifyCollectionChangedEventHandler handler, object sender, NotifyCollectionChangedEventArgs e)
{
if (handler != null)
handler (sender, e);
}
private void ValueListChanged(object sender, NotifyCollectionChangedEventArgs e)
{
OnPropertyChanged(sender == ValueLeft ? nameof(ValueLeft) : nameof(ValueRight));
}
private void OnActivityCategoriesCollectionChanged(
object sender, NotifyCollectionChangedEventArgs<IActivityCategory> e)
{
var referenceList = new List<IActivityCategory>();
if (e.Action != NotifyCollectionChangedAction.Move)
{
referenceList.AddRange(e.NewItems);
referenceList.AddRange(e.OldItems);
if (referenceList != null)
{
foreach (IActivityCategory currentItem in referenceList)
{
if (ActivityCategoryListChanged != null)
{
ActivityCategoryListChanged(this, currentItem);
}
}
}
}
// Refresh our callbacks so that it registers the new categories
this.UnregisterCategoryCallback(m_CurrentLogbook);
this.RegisterCategoryCallback(m_CurrentLogbook);
}
/// <summary>
/// Handles quick access menu items chages
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnQuickAccessItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
for (var i = 0; i < e.NewItems.Count; i++)
{
if (this.menuDownButton != null)
{
this.menuDownButton.Items.Insert(e.NewStartingIndex + i + 1, e.NewItems[i]);
}
else
{
this.AddLogicalChild(e.NewItems[i]);
}
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (var item in e.OldItems)
{
if (this.menuDownButton != null)
{
this.menuDownButton.Items.Remove(item);
}
else
{
this.RemoveLogicalChild(item);
}
}
break;
case NotifyCollectionChangedAction.Replace:
foreach (var item in e.OldItems)
{
if (this.menuDownButton != null)
{
this.menuDownButton.Items.Remove(item);
}
else
{
this.RemoveLogicalChild(item);
}
}
var ii = 0;
foreach (var item in e.NewItems)
{
if (this.menuDownButton != null)
{
this.menuDownButton.Items.Insert(e.NewStartingIndex + ii + 1, item);
}
else
{
this.AddLogicalChild(item);
}
ii++;
}
break;
}
}
protected override void CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
base.CollectionChanged(sender, e);
ValidateSelected();
}
private void _keyColumns_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
VulcanOnCollectionPropertyChanged("KeyColumns", e);
}
void Markers_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if(e.NewItems != null)
{
foreach(GMapMarker obj in e.NewItems)
{
if(obj != null)
{
obj.Overlay = this;
if(Control != null)
{
Control.UpdateMarkerLocalPosition(obj);
}
}
}
}
if(Control != null)
{
if(e.Action == NotifyCollectionChangedAction.Remove || e.Action == NotifyCollectionChangedAction.Reset)
{
if(Control.IsMouseOverMarker)
{
Control.IsMouseOverMarker = false;
#if !PocketPC
Control.RestoreCursorOnLeave();
#endif
}
}
if(!Control.HoldInvalidation)
{
Control.Invalidate();
}
}
}
void notifyCollectionChanged_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
{
int index = e.NewStartingIndex;
foreach (var item in e.NewItems)
AddItem(item, index++);
UpdateItemsFinish();
}
break;
case NotifyCollectionChangedAction.Move:
{
int i = 0;
foreach (var dataItem in e.OldItems)
{
if (dataItem == null)
continue;
int index = e.OldStartingIndex + i;
if (index < 0 || index >= sourceCollection.Count)
continue;
var oldItem = sourceCollection[index];
if (oldItem == null)
continue;
var oldI = GetBindedItemFromData(oldItem);
var newI = GetBindedItemFromData(dataItem);
if (oldI == null || newI == null)
continue;
dic_obj_go[oldItem] = newI;
SetDataContext(newI, oldItem);
dic_obj_go[dataItem] = oldI;
SetDataContext(oldI, dataItem);
}
}
break;
case NotifyCollectionChangedAction.Remove:
{
var itemList = new List<object>();
foreach (var item in e.OldItems)
{
if (item != null)
{
var node = GetBindedItemFromData(item);
if (node != null)
{
dic_obj_go.Remove(item);
itemList.Add(node);
}
}
}
itemsContainerNode.DestroyItems(itemList);
UpdateItemsFinish();
}
break;
case NotifyCollectionChangedAction.Replace:
{
int oldItemsCount = e.OldItems.Count;
int newItemsCount = e.NewItems.Count;
int minCount = oldItemsCount < newItemsCount ? oldItemsCount : newItemsCount;
for (int i = 0; i < minCount; ++i)
{
var oldItem = e.OldItems[i];
var newItem = e.NewItems[i];
if (oldItem == null || newItem == null)
continue;
var item = GetBindedItemFromData(oldItem);
if (item == null)
AddItem(item, e.OldStartingIndex + i);
else
{
dic_obj_go.Remove(oldItem);
dic_obj_go[newItem] = item;
SetDataContext(item, newItem);
}
}
}
break;
case NotifyCollectionChangedAction.Reset:
UpdateItems();
break;
}
}