public void SetToSelection(ColumnDefinitionNode toSelectTo)
{
if (this.PrimarySelection == null)
{
this.SetSelection(toSelectTo);
}
else
{
GridElement gridElement = (GridElement)this.PrimarySelection.Parent;
int val1 = gridElement.ColumnDefinitions.IndexOf(this.PrimarySelection);
int val2 = gridElement.ColumnDefinitions.IndexOf(toSelectTo);
int num1 = Math.Min(val1, val2);
int num2 = Math.Max(val1, val2);
MarkerBasedSceneNodeCollection <ColumnDefinitionNode> sceneNodeCollection = this.StorageProvider.NewList();
for (int index = num1; index <= num2; ++index)
{
if (index != val1)
{
sceneNodeCollection.Add(gridElement.ColumnDefinitions[index]);
}
}
sceneNodeCollection.Add(this.PrimarySelection);
this.SetSelection((ICollection <ColumnDefinitionNode>)sceneNodeCollection, this.PrimarySelection);
}
}
protected override void SetSelectionWithUndo(string description, MarkerBasedSceneNodeCollection <SceneElement> newSelection, SceneElement newPrimarySelection)
{
SceneNode containerForSelection = this.ViewModel.GetEditingContainerForSelection <SceneElement>((ICollection <SceneElement>)newSelection);
List <SceneElement> removedElements;
newSelection = this.StorageProvider.CopyList((ICollection <SceneElement>) this.ViewModel.GetSelectionForEditingContainer <SceneElement>(containerForSelection, (ICollection <SceneElement>)newSelection, out removedElements));
if (removedElements.Contains(newPrimarySelection))
{
newPrimarySelection = newSelection.Count > 0 ? newSelection[newSelection.Count - 1] : (SceneElement)null;
}
this.OnSelectionChanging((IList <SceneElement>)newSelection);
if (this.EditTransactionFactory != null)
{
description = string.Format((IFormatProvider)CultureInfo.CurrentCulture, description, new object[1]
{
(object)this.NamingHelper.Name
});
using (SceneEditTransaction editTransaction = this.EditTransactionFactory.CreateEditTransaction(description, true))
{
this.SetSelectionWithUndo(description, newSelection, newPrimarySelection);
if (containerForSelection != null)
{
this.ViewModel.ActiveEditingContainerPath = containerForSelection.DocumentNodePath;
}
editTransaction.Commit();
}
}
else
{
this.SetSelectionInternal(newSelection, newPrimarySelection);
}
this.OnSelectionChangedOutsideUndo();
}
public MarkerBasedSceneNodeCollection <T> CanonicalizeList(MarkerBasedSceneNodeCollection <T> list, SceneUpdateTypeFlags flags)
{
if (flags != SceneUpdateTypeFlags.UndoRedo)
{
return(list.FilterOutDeletedMarkers());
}
list.RestoreDeletedMarkers();
return((MarkerBasedSceneNodeCollection <T>)null);
}
