public override void Execute(object arg)
{
DesignerContext designerContext = this.DesignerContext;
SceneViewModel activeSceneViewModel = designerContext.ActiveSceneViewModel;
ITypeId type = this.Type;
if (type is ProjectNeutralTypeId)
{
bool flag = activeSceneViewModel.ProjectContext.PlatformMetadata.IsSupported((ITypeResolver)this.DesignerContext.ActiveSceneViewModel.ProjectContext, type);
if (!flag && this.IsDragDropContainer)
{
IMessageDisplayService messageDisplayService = activeSceneViewModel.DesignerContext.MessageDisplayService;
flag = ToolkitHelper.EnsureSilverlightToolkitTypeAvailable((ITypeResolver)activeSceneViewModel.ProjectContext, type, messageDisplayService, StringTable.SilverlightToolkitDragDropNotInstalled, StringTable.SilverlightToolkitDragDropIncorrectVersion);
}
if (!flag)
{
return;
}
}
using (SceneEditTransaction editTransaction = designerContext.ActiveDocument.CreateEditTransaction(string.Format((IFormatProvider)CultureInfo.CurrentCulture, StringTable.UndoUnitGroupIntoLayoutType, new object[1]
{
(object)this.Type.Name
})))
{
List <SceneElement> list1 = new List <SceneElement>();
List <SceneNode> elements = new List <SceneNode>();
list1.AddRange((IEnumerable <SceneElement>)designerContext.SelectionManager.ElementSelectionSet.Selection);
GroupIntoLayoutTypeCommand.OrientationHelper orientationHelper = new GroupIntoLayoutTypeCommand.OrientationHelper();
list1.Sort((IComparer <SceneElement>) new ZOrderComparer <SceneElement>(this.SceneViewModel.RootNode));
List <LayoutCacheRecord> list2 = new List <LayoutCacheRecord>(list1.Count);
Rect empty = Rect.Empty;
for (int index = 0; index < list1.Count; ++index)
{
list2.Add((LayoutCacheRecord)null);
BaseFrameworkElement element = list1[index] as BaseFrameworkElement;
if (element != null)
{
ILayoutDesigner designerForChild = element.ViewModel.GetLayoutDesignerForChild((SceneElement)element, true);
Rect roundedUpChildRect = LayoutRoundingHelper.GetRoundedUpChildRect(designerForChild, element);
empty.Union(roundedUpChildRect);
orientationHelper.AddChildRect((SceneNode)element, roundedUpChildRect);
LayoutCacheRecord layoutCacheRecord = designerForChild.CacheLayout(element);
list2[index] = layoutCacheRecord;
elements.Add((SceneNode)element);
}
}
Dictionary <IPropertyId, SceneNode> properties = (Dictionary <IPropertyId, SceneNode>)null;
using (this.SceneViewModel.ForceBaseValue())
{
using (this.SceneViewModel.DisableDrawIntoState())
{
SceneElement sceneElement1 = (SceneElement)null;
SceneElement sceneElement2 = (SceneElement)activeSceneViewModel.CreateSceneNode(type);
Orientation? nullable = orientationHelper.ApplyOrientation(sceneElement2);
if (nullable.HasValue)
{
orientationHelper.SortElements(elements, nullable.Value);
}
int num;
if (list1.Count == 1 && list1[0] is BaseFrameworkElement)
{
int?fixedCapacity = sceneElement2.DefaultContent.FixedCapacity;
num = fixedCapacity.GetValueOrDefault() != 1 ? 0 : (fixedCapacity.HasValue ? true : false);
}
else
{
num = 0;
}
bool flag = num != 0;
if (sceneElement2 != null)
{
activeSceneViewModel.GetLayoutDesignerForParent(sceneElement2, true);
}
foreach (SceneElement sceneElement3 in list1)
{
if (sceneElement3 != null)
{
BaseFrameworkElement frameworkElement = sceneElement3 as BaseFrameworkElement;
ILayoutDesigner layoutDesigner = frameworkElement == null ? (ILayoutDesigner)null : sceneElement3.ViewModel.GetLayoutDesignerForChild((SceneElement)frameworkElement, true);
if (flag)
{
properties = SceneElementHelper.StoreProperties((SceneNode)sceneElement3, layoutDesigner.GetLayoutProperties(), true);
}
if (this.SceneViewModel.LockedInsertionPoint != null && this.SceneViewModel.LockedInsertionPoint.SceneElement == sceneElement3)
{
sceneElement1 = sceneElement3;
}
}
}
if (list1.Count == 1)
{
VisualStateManagerSceneNode.MoveStates(list1[0], sceneElement2);
}
using (activeSceneViewModel.DisableUpdateChildrenOnAddAndRemove())
{
SceneElement primarySelection = designerContext.SelectionManager.ElementSelectionSet.PrimarySelection;
designerContext.SelectionManager.ElementSelectionSet.Clear();
Dictionary <IPropertyId, List <SceneNode> > storedChildren = new Dictionary <IPropertyId, List <SceneNode> >();
storedChildren.Add((IPropertyId)sceneElement2.DefaultContentProperty, elements);
ISceneNodeCollection <SceneNode> collectionContainer = primarySelection.GetCollectionContainer();
foreach (SceneElement sceneElement3 in list1)
{
if (sceneElement3 != primarySelection)
{
sceneElement3.Remove();
}
}
int index1 = collectionContainer.IndexOf((SceneNode)primarySelection);
primarySelection.Remove();
collectionContainer.Insert(index1, (SceneNode)sceneElement2);
ChangeLayoutTypeCommand.ApplyChildren(sceneElement2, storedChildren, empty.Size);
if (flag)
{
SceneElementHelper.FixElementNameBindingsInStoredProperties((SceneNode)list1[0], (SceneNode)sceneElement2, properties);
SceneElementHelper.ApplyProperties((SceneNode)sceneElement2, properties);
}
else
{
ILayoutDesigner designerForChild = sceneElement2.ViewModel.GetLayoutDesignerForChild(sceneElement2, true);
if (sceneElement2.IsViewObjectValid)
{
LayoutOverrides layoutOverrides = LayoutOverrides.None;
LayoutOverrides overridesToIgnore = LayoutOverrides.None;
if (nullable.HasValue && nullable.Value == Orientation.Horizontal)
{
layoutOverrides |= LayoutOverrides.Width;
}
else
{
overridesToIgnore |= LayoutOverrides.Width;
}
if (nullable.HasValue && nullable.Value == Orientation.Vertical)
{
layoutOverrides |= LayoutOverrides.Height;
}
else
{
overridesToIgnore |= LayoutOverrides.Height;
}
designerForChild.SetChildRect((BaseFrameworkElement)sceneElement2, empty, layoutOverrides, overridesToIgnore, LayoutOverrides.None);
}
}
editTransaction.Update();
if (sceneElement2.IsViewObjectValid)
{
this.SceneViewModel.DefaultView.UpdateLayout();
SceneElement parentElement = primarySelection.ParentElement;
ILayoutDesigner designerForParent = activeSceneViewModel.GetLayoutDesignerForParent(parentElement, true);
for (int index2 = 0; index2 < list1.Count; ++index2)
{
SceneElement sceneElement3 = list1[index2];
BaseFrameworkElement frameworkElement = sceneElement3 as BaseFrameworkElement;
if (frameworkElement != null)
{
LayoutCacheRecord layoutCacheRecord = list2[index2];
Rect rect = LayoutRoundingHelper.RoundUpLayoutRect(frameworkElement, layoutCacheRecord.Rect);
rect.Location = (Point)(rect.Location - empty.Location);
designerForParent.ClearUnusedLayoutProperties(frameworkElement);
designerForParent.SetChildRect(frameworkElement, rect, flag ? LayoutOverrides.None : layoutCacheRecord.Overrides, LayoutOverrides.Margin | LayoutOverrides.GridBox, LayoutOverrides.None);
if (this.IsDragDropContainer)
{
sceneElement3.SetValue(Base2DElement.AllowDropProperty, (object)true);
}
}
}
}
if (sceneElement1 != null)
{
this.SceneViewModel.SetLockedInsertionPoint(sceneElement1);
}
}
designerContext.SelectionManager.ElementSelectionSet.SetSelection(sceneElement2);
editTransaction.Commit();
}
}
}
}
private SceneNode[] Ungroup(SceneEditTransaction transaction, BaseFrameworkElement group)
{
SceneElement parentElement = group.ParentElement;
if (parentElement == null)
{
return(new SceneNode[0]);
}
transaction.Update();
ILayoutDesigner designerForParent1 = this.SceneViewModel.GetLayoutDesignerForParent(parentElement, true);
Rect childRect = designerForParent1.GetChildRect(group);
Matrix effectiveRenderTransform = group.GetEffectiveRenderTransform(false);
SceneNode[] array = new SceneNode[group.DefaultContent.Count];
group.DefaultContent.CopyTo(array, 0);
using (this.SceneViewModel.DisableUpdateChildrenOnAddAndRemove())
{
Transform[] transformArray = new Transform[array.Length];
Point[] pointArray = new Point[array.Length];
LayoutCacheRecord[] layoutCacheRecordArray = new LayoutCacheRecord[array.Length];
ILayoutDesigner designerForParent2 = group.ViewModel.GetLayoutDesignerForParent((SceneElement)group, true);
for (int index = 0; index < array.Length; ++index)
{
BaseFrameworkElement frameworkElement = array[index] as BaseFrameworkElement;
if (frameworkElement != null)
{
transformArray[index] = (Transform)frameworkElement.GetComputedValueAsWpf(Base2DElement.RenderTransformProperty);
pointArray[index] = frameworkElement.RenderTransformOrigin;
designerForParent2.GetChildRect(frameworkElement);
LayoutCacheRecord layoutCacheRecord = designerForParent2.CacheLayout(frameworkElement);
layoutCacheRecordArray[index] = layoutCacheRecord;
}
}
int num1;
if (array.Length == 1 && array[0] is BaseFrameworkElement)
{
int?fixedCapacity = group.DefaultContent.FixedCapacity;
num1 = fixedCapacity.GetValueOrDefault() != 1 ? 0 : (fixedCapacity.HasValue ? true : false);
}
else
{
num1 = 0;
}
bool flag = num1 != 0;
if (flag)
{
Dictionary <IPropertyId, SceneNode> properties = SceneElementHelper.StoreProperties((SceneNode)group, designerForParent1.GetLayoutProperties(), true);
SceneElementHelper.FixElementNameBindingsInStoredProperties((SceneNode)group, array[0], properties);
if (!SceneElementHelper.ApplyProperties(array[0], properties))
{
flag = false;
}
}
if (array.Length == 1 && array[0] is SceneElement)
{
VisualStateManagerSceneNode.MoveStates((SceneElement)group, (SceneElement)array[0]);
}
using (this.SceneViewModel.ForceBaseValue())
{
SceneElement sceneElement = (SceneElement)null;
for (int index = 0; index < array.Length; ++index)
{
BaseFrameworkElement frameworkElement = array[index] as BaseFrameworkElement;
if (frameworkElement != null)
{
if (this.SceneViewModel.LockedInsertionPoint != null && this.SceneViewModel.LockedInsertionPoint.SceneElement == frameworkElement)
{
sceneElement = (SceneElement)frameworkElement;
}
DocumentNodeHelper.PreserveFormatting(frameworkElement.DocumentNode);
frameworkElement.Remove();
}
}
ISceneNodeCollection <SceneNode> collectionContainer = group.GetCollectionContainer();
int index1 = collectionContainer.IndexOf((SceneNode)group);
this.SceneViewModel.AnimationEditor.DeleteAllAnimationsInSubtree((SceneElement)group);
this.SceneViewModel.RemoveElement((SceneNode)group);
Matrix matrix1 = effectiveRenderTransform;
matrix1.OffsetX = 0.0;
matrix1.OffsetY = 0.0;
for (int index2 = array.Length - 1; index2 >= 0; --index2)
{
BaseFrameworkElement frameworkElement = array[index2] as BaseFrameworkElement;
if (frameworkElement != null)
{
Matrix matrix2 = (transformArray[index2] ?? Transform.Identity).Value;
collectionContainer.Insert(index1, (SceneNode)frameworkElement);
CanonicalTransform canonicalTransform = new CanonicalTransform((Transform) new MatrixTransform(matrix2 * matrix1));
if (frameworkElement.GetLocalValue(Base2DElement.RenderTransformProperty) != null || !canonicalTransform.TransformGroup.Value.IsIdentity)
{
frameworkElement.SetValue(Base2DElement.RenderTransformProperty, canonicalTransform.GetPlatformTransform(frameworkElement.Platform.GeometryHelper));
if (frameworkElement.IsSet(Base2DElement.RenderTransformOriginProperty) == PropertyState.Unset)
{
frameworkElement.SetValueAsWpf(Base2DElement.RenderTransformOriginProperty, (object)new Point(0.5, 0.5));
}
}
}
}
transaction.Update();
if (sceneElement != null)
{
this.SceneViewModel.SetLockedInsertionPoint(sceneElement);
}
bool[] flagArray = new bool[array.Length];
int length = 0;
for (int index2 = 0; index2 < array.Length; ++index2)
{
BaseFrameworkElement frameworkElement = array[index2] as BaseFrameworkElement;
if (frameworkElement != null && array[index2].Parent != null)
{
if (!flag)
{
LayoutCacheRecord layoutCacheRecord = layoutCacheRecordArray[index2];
Rect rect1 = layoutCacheRecord.Rect;
Point point1 = new Point(rect1.X + rect1.Width * pointArray[index2].X, rect1.Y + rect1.Height * pointArray[index2].Y);
Point point2 = effectiveRenderTransform.Transform(point1);
Rect rect2 = new Rect(rect1.TopLeft + point2 - point1 + (Vector)childRect.TopLeft, rect1.Size);
designerForParent1.ClearUnusedLayoutProperties(frameworkElement);
designerForParent1.SetChildRect(frameworkElement, rect2, layoutCacheRecord.Overrides, LayoutOverrides.Margin | LayoutOverrides.GridBox, LayoutOverrides.None);
}
flagArray[index2] = true;
++length;
}
}
SceneNode[] sceneNodeArray = new SceneNode[length];
int num2 = 0;
for (int index2 = 0; index2 < array.Length; ++index2)
{
if (flagArray[index2])
{
sceneNodeArray[num2++] = array[index2];
}
}
return(sceneNodeArray);
}
}
}