protected override Point GetCenter(Matrix matrix)
{
IViewVisual viewVisual = this.Element.Visual as IViewVisual;
Rect rect = viewVisual != null?viewVisual.GetLayoutSlot() : Rect.Empty;
Matrix fromVisualParent = this.Element.GetComputedTransformFromVisualParent();
Rect childRect = this.DesignerContext.ActiveSceneViewModel.GetLayoutDesignerForChild((SceneElement)this.Element, true).GetChildRect(this.Element);
double y = (childRect.Top + childRect.Bottom) / 2.0;
double x = (childRect.Left + childRect.Right) / 2.0;
Point point;
switch (this.type)
{
case ElementLayoutAdornerType.Left:
point = new Point(rect.Left, y);
break;
case ElementLayoutAdornerType.Top:
point = new Point(x, rect.Top);
break;
case ElementLayoutAdornerType.Right:
point = new Point(rect.Right, y);
break;
case ElementLayoutAdornerType.Bottom:
point = new Point(x, rect.Bottom);
break;
default:
throw new NotSupportedException();
}
matrix = fromVisualParent * matrix;
return(point * matrix);
}
protected void MoveDraggedElementsWithTempTransform()
{
Point point1 = this.DragCurrentPosition;
if (this.IsConstraining)
{
point1 = this.ConstrainPointToAxis(this.DragStartPosition, this.DragCurrentPosition);
}
for (int index = 0; index < this.DraggedElements.Count; ++index)
{
BaseFrameworkElement frameworkElement = this.DraggedElements[index];
if (this.originalTransforms[index] == null)
{
Transform transform = (Transform)frameworkElement.GetComputedValueAsWpf(Base2DElement.RenderTransformProperty);
this.originalTransforms[index] = transform == null ? Transform.Identity : transform;
}
IViewVisual viewVisual = frameworkElement.Visual as IViewVisual;
if (viewVisual != null)
{
SceneView activeView = this.ActiveView;
Point point2 = activeView.TransformPoint((IViewObject)activeView.HitTestRoot, viewVisual.VisualParent, this.DragStartPosition);
Vector vector = activeView.TransformPoint((IViewObject)activeView.HitTestRoot, viewVisual.VisualParent, point1) - point2 - this.Context.DuplicationOffset;
Matrix matrix = this.originalTransforms[index].Value;
matrix.Translate(vector.X, vector.Y);
Transform transform = (Transform) new MatrixTransform(matrix);
viewVisual.SetValue((ITypeResolver)this.ActiveSceneViewModel.ProjectContext, this.ActiveSceneViewModel.ProjectContext.ResolveProperty(Base2DElement.RenderTransformProperty), this.ActiveView.ConvertFromWpfValue((object)transform));
}
}
}
public LayoutConstraintMode GetHeightConstraintMode(BaseFrameworkElement child)
{
IViewVisual child1 = child == null ? (IViewVisual)null : child.Visual as IViewVisual;
IViewVisual parent = child1 == null ? (IViewVisual)null : child1.VisualParent as IViewVisual;
SceneView view = child == null ? (SceneView)null : child.ViewModel.DefaultView;
return(this.GetHeightConstraintModeCore(parent, child1, view, false));
}
public SceneNodeViewItem(SceneView view, IViewVisual viewVisual)
{
if (viewVisual == null)
{
throw new ArgumentNullException("viewVisual");
}
this.view = view;
this.viewVisual = viewVisual;
}
public virtual bool IsInArtboard(IViewVisual visual)
{
Visual visual1 = visual.PlatformSpecificObject as Visual;
if (visual1 != null)
{
return(this.IsAncestorOf((DependencyObject)visual1));
}
return(false);
}
private bool IsTransformed(SceneElement element)
{
IViewVisual viewVisual = element.Visual as IViewVisual;
if (viewVisual != null)
{
return(viewVisual.IsTransformed);
}
return(false);
}
public override bool IsInArtboard(IViewVisual visual)
{
bool flag = false;
if (this.silverlightImageHost.RenderRoot != null)
{
flag = this.platformView.IsAncestorOf(this.ViewObjectFactory.Instantiate(this.silverlightImageHost.RenderRoot), (IViewObject)visual);
}
return(flag);
}
private static void InvalidateMeasure(IViewObject viewObject)
{
IViewVisual viewVisual = viewObject as IViewVisual;
if (viewVisual == null)
{
return;
}
viewVisual.InvalidateMeasure();
}
public Rect this[IViewVisual childVisual]
{
get
{
Rect actualBoundsInParent;
if (!this.layoutBounds.TryGetValue((IViewObject)childVisual, out actualBoundsInParent))
{
this.layoutBounds[(IViewObject)childVisual] = actualBoundsInParent = this.parent.ViewModel.DefaultView.GetActualBoundsInParent((IViewObject)childVisual);
}
return(actualBoundsInParent);
}
}
public static Rect RoundUpLayoutRect(BaseFrameworkElement element, Rect rect)
{
IPlatformGeometryHelper geometryHelper = element.Platform.GeometryHelper;
IViewVisual visual = element.ViewObject as IViewVisual;
if (geometryHelper.NeedRoundupLayoutRect(visual))
{
IProperty propertyKey = element.ProjectContext.ResolveProperty(Base2DElement.UseLayoutRoundingProperty);
if (propertyKey != null && (bool)visual.GetCurrentValue(propertyKey))
{
return(geometryHelper.RoundupLayoutRect(rect));
}
}
return(rect);
}
protected override void UpdateLayoutInternal()
{
SceneNode sceneNode = this.allowViewScoping ? this.viewModel.ViewRoot : this.viewModel.RootNode;
if (sceneNode == null)
{
return;
}
IViewVisual viewVisual = this.GetCorrespondingViewObject(sceneNode.DocumentNodePath) as IViewVisual;
if (viewVisual == null)
{
return;
}
viewVisual.UpdateLayout();
}
public static IDisposable TurnOffLayoutRounding(BaseFrameworkElement element)
{
IViewVisual viewVisual = element.ViewObject as IViewVisual;
IProperty propertyKey = element.ProjectContext.ResolveProperty(Base2DElement.UseLayoutRoundingProperty);
if (propertyKey == null || viewVisual == null || !(bool)viewVisual.GetCurrentValue(propertyKey))
{
return((IDisposable)null);
}
SceneEditTransaction editTransaction = element.ViewModel.CreateEditTransaction("TurnOffLayoutRounding", true);
element.SetValue((IPropertyId)propertyKey, (object)false);
editTransaction.Update();
viewVisual.UpdateLayout();
return((IDisposable)editTransaction);
}
public virtual void FillChild(BaseFrameworkElement element)
{
IViewVisual viewVisual1 = element.Visual as IViewVisual;
IViewVisual viewVisual2 = viewVisual1 != null ? viewVisual1.VisualParent as IViewVisual : (IViewVisual)null;
Type runtimeType = element.ProjectContext.ResolveType(PlatformTypes.UIElement).RuntimeType;
if (viewVisual2 == null || !runtimeType.IsAssignableFrom(viewVisual2.TargetType))
{
viewVisual2 = element.ParentElement.Visual as IViewVisual;
}
if (viewVisual2 == null)
{
return;
}
Rect rect = new Rect(new Point(), viewVisual2.RenderSize);
this.SetChildRect(element, this.PrepareLayoutRect(rect), LayoutOverrides.None, LayoutOverrides.All, LayoutOverrides.All);
}
protected override Size ArrangeOverride(Size finalSize)
{
Size size = base.ArrangeOverride(finalSize);
this.EnsureValidContentBounds();
if (this.centerDocument && this.EditableContentObject != null)
{
IViewVisual viewVisual = this.EditableContentObject as IViewVisual;
if (viewVisual != null)
{
Size desiredSize = viewVisual.DesiredSize;
this.CenterX = desiredSize.Width / 2.0;
this.CenterY = desiredSize.Height / 2.0;
this.centerDocument = false;
}
}
return(size);
}
public static Rect GetRoundedUpChildRect(ILayoutDesigner designer, BaseFrameworkElement element)
{
IPlatformGeometryHelper geometryHelper = element.Platform.GeometryHelper;
IViewVisual visual = element.ViewObject as IViewVisual;
if (geometryHelper.NeedRoundupLayoutRect(visual))
{
using (IDisposable disposable = LayoutRoundingHelper.TurnOffLayoutRounding(element))
{
if (disposable != null)
{
Rect childRect = designer.GetChildRect(element);
return(geometryHelper.RoundupLayoutRect(childRect));
}
}
}
return(designer.GetChildRect(element));
}
public static bool CanEditInPlace(SceneElement targetElement, ReferenceStep targetProperty, DocumentNodePath template)
{
DocumentNodePath documentNodePath = targetElement.DocumentNodePath;
SceneViewModel viewModel = targetElement.ViewModel.GetViewModel(template.Node.DocumentRoot, true);
if (targetElement.IsViewObjectValid && (targetElement.IsInstantiatedElementVisible || PlatformTypes.Style.IsAssignableFrom((ITypeId)template.Node.Type) && (targetProperty.Equals((object)BaseFrameworkElement.StyleProperty) || targetProperty == StyleNode.BasedOnProperty)) && (viewModel == targetElement.ViewModel && documentNodePath.IsAncestorOf(template)))
{
if (viewModel.DefaultView.GetInstantiatedElements(template).Count > 0)
{
return(true);
}
if (!viewModel.ProjectContext.IsCapabilitySet(PlatformCapability.IsWpf) && PlatformTypes.FrameworkTemplate.IsAssignableFrom((ITypeId)template.Node.Type))
{
SceneNode valueAsSceneNode = viewModel.GetSceneNode(template.Node).GetLocalValueAsSceneNode(viewModel.ProjectContext.PlatformMetadata.KnownProperties.FrameworkTemplateVisualTree);
if (valueAsSceneNode != null)
{
IViewVisual viewVisual = targetElement.ViewTargetElement as IViewVisual;
if (viewVisual == null && ProjectNeutralTypes.DataGridColumn.IsAssignableFrom((ITypeId)targetElement.Type))
{
DataGridElement dataGridElement = targetElement.Parent as DataGridElement;
if (dataGridElement != null && targetElement.DocumentNode.IsChild && (targetElement.DocumentNode.Parent.IsProperty && DataGridElement.ColumnsProperty.Equals((object)targetElement.DocumentNode.Parent.SitePropertyKey)))
{
viewVisual = dataGridElement.ViewTargetElement as IViewVisual;
}
}
if (viewVisual != null)
{
DocumentNodePath pathInContainer = template.GetPathInContainer(valueAsSceneNode.DocumentNode);
foreach (IViewObject viewObject in (IEnumerable <IViewObject>)viewModel.DefaultView.GetInstantiatedElements(pathInContainer))
{
IViewVisual visual = viewObject as IViewVisual;
if (visual != null && viewVisual.IsAncestorOf(visual))
{
return(true);
}
}
}
}
}
}
return(false);
}
internal static List <FlowPanelLayoutUtilities.LineInfo> ExtractLines(SceneElement container)
{
List <FlowPanelLayoutUtilities.LineInfo> list = new List <FlowPanelLayoutUtilities.LineInfo>();
IViewPanel flowPanel = MoveStrategy.GetContainerHost(container) as IViewPanel;
Orientation orientation = flowPanel.Orientation;
double num = -1.0;
Point startPoint = new Point(0.0, 0.0);
FlowPanelLayoutUtilities.InitializeStartPoint(ref startPoint, flowPanel);
int startElementIndex = 0;
int endElementIndex = 0;
ActualBoundsInParent actualBoundsInParent = new ActualBoundsInParent(container);
for (int index = 0; index < flowPanel.ChildrenCount; ++index)
{
IViewVisual child1 = flowPanel.GetChild(index);
Rect rect = actualBoundsInParent[child1];
num = FlowPanelLayoutUtilities.UpdateLineLength(num, startPoint, rect, orientation);
if (endElementIndex + 1 < flowPanel.ChildrenCount)
{
IViewVisual child2 = flowPanel.GetChild(endElementIndex + 1);
Rect nextElementLayoutBounds = actualBoundsInParent[child2];
if (FlowPanelLayoutUtilities.IsNextElementStartOfNewLine(rect, nextElementLayoutBounds, orientation))
{
list.Add(new FlowPanelLayoutUtilities.LineInfo(startPoint, num, startElementIndex, endElementIndex));
startElementIndex = endElementIndex + 1;
FlowPanelLayoutUtilities.UpdateStartPoint(ref startPoint, num, orientation);
num = -1.0;
}
++endElementIndex;
}
else
{
list.Add(new FlowPanelLayoutUtilities.LineInfo(startPoint, num, startElementIndex, endElementIndex));
break;
}
}
return(list);
}
protected virtual void DoUpdateElementPosition(Point pointBegin, Point pointEnd)
{
IViewVisual viewVisual1 = this.ActiveSceneInsertionPoint.SceneElement.Visual as IViewVisual;
IViewVisual viewVisual2 = this.LayoutTargetElement.Visual as IViewVisual;
IViewVisual visual = viewVisual2 != null ? viewVisual2.VisualParent as IViewVisual : (IViewVisual)null;
if (visual != null && viewVisual1 != visual && (viewVisual1 != null && this.ActiveSceneViewModel.ProjectContext.ResolveType(PlatformTypes.UIElement).RuntimeType.IsAssignableFrom(visual.TargetType)))
{
GeneralTransform generalTransform = viewVisual1.TransformToVisual(visual);
pointBegin = generalTransform.Transform(pointBegin);
pointEnd = generalTransform.Transform(pointEnd);
}
double width = Math.Abs(pointEnd.X - pointBegin.X);
double height = Math.Abs(pointEnd.Y - pointBegin.Y);
this.ReplaceSubTransaction();
ILayoutDesigner designerForChild = this.ActiveSceneViewModel.GetLayoutDesignerForChild((SceneElement)this.LayoutTargetElement, true);
Vector vector = new Vector(Math.Min(pointBegin.X, pointEnd.X), Math.Min(pointBegin.Y, pointEnd.Y));
Rect rect = new Rect(vector.X, vector.Y, width, height);
designerForChild.SetChildRect(this.LayoutTargetElement, rect, LayoutOverrides.None, LayoutOverrides.Width | LayoutOverrides.Height, LayoutOverrides.None, SetRectMode.CreateAtPosition);
}
private void GetPoints(out Point pointBegin, out Point pointEnd)
{
IViewVisual viewVisual = this.Element.Visual as IViewVisual;
Rect rect = viewVisual != null?viewVisual.GetLayoutSlot() : Rect.Empty;
Matrix fromVisualParent = this.Element.GetComputedTransformFromVisualParent();
Rect childRect = this.DesignerContext.ActiveSceneViewModel.GetLayoutDesignerForChild((SceneElement)this.Element, true).GetChildRect(this.Element);
double y = (childRect.Top + childRect.Bottom) / 2.0;
double x = (childRect.Left + childRect.Right) / 2.0;
switch (this.type)
{
case ElementLayoutAdornerType.Left:
pointBegin = new Point(childRect.Left, y);
pointEnd = new Point(rect.Left, y);
break;
case ElementLayoutAdornerType.Top:
pointBegin = new Point(x, childRect.Top);
pointEnd = new Point(x, rect.Top);
break;
case ElementLayoutAdornerType.Right:
pointBegin = new Point(childRect.Right, y);
pointEnd = new Point(rect.Right, y);
break;
case ElementLayoutAdornerType.Bottom:
pointBegin = new Point(x, childRect.Bottom);
pointEnd = new Point(x, rect.Bottom);
break;
default:
throw new NotSupportedException();
}
pointBegin *= fromVisualParent;
pointEnd *= fromVisualParent;
}
public static int GetInsertionIndex(SceneElement container, Point position, out bool isCursorAtEnd)
{
isCursorAtEnd = false;
IViewPanel viewPanel = MoveStrategy.GetContainerHost(container) as IViewPanel;
if (viewPanel == null)
{
return(0);
}
Orientation orientation = viewPanel.Orientation;
if (viewPanel.ChildrenCount == 0)
{
return(0);
}
bool flag = PlatformTypes.StackPanel.IsAssignableFrom((ITypeId)container.Type) || PlatformTypes.VirtualizingStackPanel.IsAssignableFrom((ITypeId)container.Type);
ActualBoundsInParent actualBoundsInParent = new ActualBoundsInParent(container);
foreach (FlowPanelLayoutUtilities.LineInfo line in FlowPanelLayoutUtilities.ExtractLines(container))
{
if (flag || FlowPanelLayoutUtilities.IsPointInLine(position, line, orientation))
{
if (line.StartElementIndex == line.EndElementIndex)
{
IViewVisual child = viewPanel.GetChild(line.StartElementIndex);
Rect elementLayoutBounds = actualBoundsInParent[child];
if (FlowPanelLayoutUtilities.DoesPointLieBeforeElement(position, elementLayoutBounds, orientation))
{
isCursorAtEnd = false;
return(line.StartElementIndex);
}
isCursorAtEnd = true;
return(line.StartElementIndex + 1);
}
IViewVisual child1 = viewPanel.GetChild(line.StartElementIndex);
IViewVisual child2 = viewPanel.GetChild(line.EndElementIndex);
Rect elementLayoutBounds1 = actualBoundsInParent[child1];
Rect elementLayoutBounds2 = actualBoundsInParent[child2];
if (FlowPanelLayoutUtilities.DoesPointLieBeforeElement(position, elementLayoutBounds1, orientation))
{
isCursorAtEnd = false;
return(line.StartElementIndex);
}
if (FlowPanelLayoutUtilities.DoesPointLieAfterElement(position, elementLayoutBounds2, orientation))
{
isCursorAtEnd = true;
return(line.EndElementIndex + 1);
}
for (int startElementIndex = line.StartElementIndex; startElementIndex < line.EndElementIndex; ++startElementIndex)
{
IViewVisual child3 = viewPanel.GetChild(startElementIndex);
IViewVisual child4 = viewPanel.GetChild(startElementIndex + 1);
Rect currentElementLayoutBounds = actualBoundsInParent[child3];
Rect nextElementLayoutBounds = actualBoundsInParent[child4];
if (FlowPanelLayoutUtilities.DoesPointLieBetweenElements(position, currentElementLayoutBounds, nextElementLayoutBounds, orientation))
{
return(startElementIndex + 1);
}
}
break;
}
}
if (flag)
{
return(-1);
}
isCursorAtEnd = true;
return(viewPanel.ChildrenCount);
}
private LayoutConstraintMode GetHeightConstraintModeCore(IViewVisual parent, IViewVisual child, SceneView view, bool allowGridAutoChecks)
{
if (parent == null)
{
return(LayoutConstraintMode.CanvasLike);
}
LayoutConstraintMode layoutConstraintMode = LayoutConstraintMode.NonOverlappingGridlike;
IType itype = parent.GetIType((ITypeResolver)view.ProjectContext);
if (PlatformTypes.Grid.IsAssignableFrom((ITypeId)itype) || PlatformTypes.Canvas.IsAssignableFrom((ITypeId)itype))
{
layoutConstraintMode |= LayoutConstraintMode.Overlapping;
}
IViewVisual viewVisual = parent.VisualParent as IViewVisual;
if (viewVisual != null && PlatformTypes.IsInstance(viewVisual.PlatformSpecificObject, ProjectNeutralTypes.Viewbox, (ITypeResolver)view.ProjectContext))
{
layoutConstraintMode |= LayoutConstraintMode.CanvasLike;
}
if (PlatformTypes.Canvas.IsAssignableFrom((ITypeId)itype) || PlatformTypes.TextBlock.IsAssignableFrom((ITypeId)itype) || (PlatformTypes.RichTextBox.IsAssignableFrom((ITypeId)itype) || PlatformTypes.FlowDocumentScrollViewer.IsAssignableFrom((ITypeId)itype)) || (PlatformTypes.ScrollContentPresenter.IsAssignableFrom((ITypeId)itype) || ProjectNeutralTypes.Viewbox.IsAssignableFrom((ITypeId)itype) || (PlatformTypes.Popup.IsAssignableFrom((ITypeId)itype) || ProjectNeutralTypes.PathPanel.IsAssignableFrom((ITypeId)itype))))
{
layoutConstraintMode |= LayoutConstraintMode.CanvasLike;
}
if (PlatformTypes.StackPanel.IsAssignableFrom((ITypeId)itype) && ((IViewPanel)parent).Orientation == Orientation.Vertical)
{
layoutConstraintMode |= LayoutConstraintMode.CanvasLike;
}
if (ProjectNeutralTypes.DockPanel.IsAssignableFrom((ITypeId)itype) && child != null)
{
switch ((Dock)view.ConvertToWpfValue(child.GetCurrentValue(view.ProjectContext.ResolveProperty(DockPanelElement.DockProperty))))
{
case Dock.Top:
case Dock.Bottom:
layoutConstraintMode |= LayoutConstraintMode.CanvasLike;
break;
}
}
if (ProjectNeutralTypes.WrapPanel.IsAssignableFrom((ITypeId)itype) && double.IsNaN((double)parent.GetCurrentValue(view.ProjectContext.ResolveProperty(WrapPanelElement.ItemHeightProperty))))
{
layoutConstraintMode |= LayoutConstraintMode.CanvasLike;
}
if ((layoutConstraintMode & LayoutConstraintMode.CanvasLike) == LayoutConstraintMode.NonOverlappingGridlike && double.IsNaN((double)parent.GetCurrentValue(view.ProjectContext.ResolveProperty(BaseFrameworkElement.HeightProperty))) && double.IsNaN((double)parent.GetCurrentValue(view.ProjectContext.ResolveProperty(DesignTimeProperties.DesignHeightProperty))))
{
IViewGrid viewGrid = parent as IViewGrid;
if (viewGrid != null)
{
if (!allowGridAutoChecks)
{
return(layoutConstraintMode);
}
IType type = child == null ? (IType)null : child.GetIType((ITypeResolver)view.ProjectContext);
if (child != null && (!PlatformTypes.Path.IsAssignableFrom((ITypeId)type) || !double.IsNaN((double)child.GetCurrentValue(view.ProjectContext.ResolveProperty(BaseFrameworkElement.HeightProperty)))))
{
int val2_1 = (int)child.GetCurrentValue(view.ProjectContext.ResolveProperty(GridElement.RowProperty));
int val2_2 = val2_1 + (int)child.GetCurrentValue(view.ProjectContext.ResolveProperty(GridElement.RowSpanProperty));
int num1 = Math.Max(0, Math.Min(viewGrid.RowDefinitionsCount - 1, val2_1));
int num2 = Math.Max(0, Math.Min(viewGrid.RowDefinitionsCount, val2_2));
double num3 = 0.0;
bool flag1 = true;
bool flag2 = true;
if (num2 == 0)
{
flag1 = false;
flag2 = false;
num3 = viewGrid.RenderSize.Height;
}
else
{
for (int index = num1; index < num2; ++index)
{
IViewRowDefinition rowDefinition = viewGrid.GetRowDefinition(index);
flag1 &= rowDefinition.Height.IsAuto;
flag2 &= rowDefinition.Height.IsAbsolute;
num3 += rowDefinition.ActualHeight;
}
}
double height = child.DesiredSize.Height;
IProperty propertyKey = view.Platform.Metadata.ResolveProperty(Base2DElement.UseLayoutRoundingProperty);
if (propertyKey != null && child.GetCurrentValue(propertyKey) != parent.GetCurrentValue(propertyKey))
{
height += 0.999;
}
if (Tolerances.LessThan(height, num3) || flag2)
{
return(layoutConstraintMode);
}
if (flag1)
{
layoutConstraintMode |= LayoutConstraintMode.CanvasLike;
}
}
}
if ((VerticalAlignment)view.ConvertToWpfValue(parent.GetCurrentValue(view.ProjectContext.ResolveProperty(BaseFrameworkElement.VerticalAlignmentProperty))) != VerticalAlignment.Stretch)
{
layoutConstraintMode |= LayoutConstraintMode.CanvasLike;
}
else
{
if (PlatformTypes.Control.IsAssignableFrom((ITypeId)itype) || PlatformTypes.ContentPresenter.IsAssignableFrom((ITypeId)itype))
{
allowGridAutoChecks = true;
}
if ((this.GetHeightConstraintModeCore(parent.VisualParent as IViewVisual, parent, view, allowGridAutoChecks) & LayoutConstraintMode.CanvasLike) != LayoutConstraintMode.NonOverlappingGridlike)
{
layoutConstraintMode |= LayoutConstraintMode.CanvasLike;
}
}
}
return(layoutConstraintMode);
}
protected override bool GetInsertionInfo(SceneElement container, int insertionIndex, bool isCursorAtEnd, out Point position, out double length, out Orientation orientation)
{
position = new Point();
length = 0.0;
orientation = Orientation.Horizontal;
IViewPanel viewPanel = MoveStrategy.GetContainerHost(container) as IViewPanel;
if (container == null || viewPanel == null)
{
return(false);
}
orientation = viewPanel.Orientation;
if (viewPanel.ChildrenCount == 0)
{
position = new Point(0.0, 0.0);
length = orientation == Orientation.Horizontal ? viewPanel.RenderSize.Height : viewPanel.RenderSize.Width;
return(true);
}
List <FlowPanelLayoutUtilities.LineInfo> lines = FlowPanelLayoutUtilities.ExtractLines(container);
if (lines.Count <= 0)
{
return(false);
}
FlowPanelLayoutUtilities.LineInfo lineInfo1 = (FlowPanelLayoutUtilities.LineInfo)null;
IViewVisual index = (IViewVisual)null;
ActualBoundsInParent actualBoundsInParent = new ActualBoundsInParent(container);
foreach (FlowPanelLayoutUtilities.LineInfo lineInfo2 in lines)
{
if (lineInfo2.EndElementIndex == insertionIndex - 1 && isCursorAtEnd && insertionIndex < viewPanel.ChildrenCount)
{
index = viewPanel.GetChild(lineInfo2.EndElementIndex);
lineInfo1 = lineInfo2;
length = lineInfo2.LineLength;
break;
}
if (lineInfo2.StartElementIndex <= insertionIndex && insertionIndex <= lineInfo2.EndElementIndex)
{
index = viewPanel.GetChild(insertionIndex);
lineInfo1 = lineInfo2;
length = lineInfo2.LineLength;
break;
}
}
Matrix matrixFromTransform = VectorUtilities.GetMatrixFromTransform(this.AdornerSet.ViewModel.DefaultView.ComputeTransformToVisual((IViewObject)viewPanel, this.Element.Visual));
Point point = new Point(matrixFromTransform.OffsetX, matrixFromTransform.OffsetY);
if (index != null && lineInfo1 != null)
{
Rect rect = actualBoundsInParent[index];
switch (orientation)
{
case Orientation.Horizontal:
double num1 = isCursorAtEnd ? rect.Right : rect.Left;
position = new Point(num1 + point.X, lineInfo1.StartPoint.Y + point.Y);
break;
case Orientation.Vertical:
double num2 = isCursorAtEnd ? rect.Bottom : rect.Top;
position = new Point(lineInfo1.StartPoint.X + point.X, num2 + point.Y);
break;
default:
throw new NotImplementedException(ExceptionStringTable.StackPanelUnrecognizedOrientation);
}
return(true);
}
FlowPanelLayoutUtilities.LineInfo lineInfo3 = lines[lines.Count - 1];
if (insertionIndex <= lineInfo3.EndElementIndex)
{
return(false);
}
IViewVisual child = viewPanel.GetChild(lineInfo3.EndElementIndex);
Rect rect1 = actualBoundsInParent[child];
switch (orientation)
{
case Orientation.Horizontal:
position = new Point(rect1.Right + point.X, lineInfo3.StartPoint.Y + point.Y);
break;
case Orientation.Vertical:
position = new Point(lineInfo3.StartPoint.X + point.X, rect1.Bottom + point.Y);
break;
default:
throw new NotImplementedException(ExceptionStringTable.StackPanelUnrecognizedOrientation);
}
length = lineInfo3.LineLength;
return(true);
}
private void SetLayout(ISceneInsertionPoint insertionPoint, Rect rect, SceneNode node, SceneNode layoutTarget, SceneEditTransaction undo)
{
if (!PlatformTypes.UIElement.IsAssignableFrom((ITypeId)node.Type))
{
return;
}
bool flag1 = false;
bool flag2 = false;
if (node.IsSet(BaseFrameworkElement.WidthProperty) == PropertyState.Set && double.IsNaN(rect.Width))
{
rect.Width = (double)node.GetLocalOrDefaultValueAsWpf(BaseFrameworkElement.WidthProperty);
flag1 = true;
}
if (node.IsSet(BaseFrameworkElement.HeightProperty) == PropertyState.Set && double.IsNaN(rect.Height))
{
rect.Height = (double)node.GetLocalOrDefaultValueAsWpf(BaseFrameworkElement.HeightProperty);
flag2 = true;
}
using (this.ViewModel.ForceBaseValue())
{
BaseFrameworkElement child = layoutTarget as BaseFrameworkElement;
if (child == null)
{
return;
}
SetRectMode setRectMode = SetRectMode.Default;
ILayoutDesigner designerForChild = child.ViewModel.GetLayoutDesignerForChild((SceneElement)child, true);
if (double.IsNaN(rect.Width) || double.IsNaN(rect.Height))
{
setRectMode = SetRectMode.CreateDefault;
bool flag3 = PlatformTypes.Control.IsAssignableFrom((ITypeId)node.Type) || PlatformTypes.TextBlock.IsAssignableFrom((ITypeId)node.Type);
for (int index = 0; index < DefaultTypeInstantiator.SizeNonExceptions.Length; ++index)
{
if (DefaultTypeInstantiator.SizeNonExceptions[index].Equals((object)node.Type))
{
flag3 = false;
}
}
if (!flag3)
{
BaseFrameworkElement frameworkElement = insertionPoint.SceneNode as BaseFrameworkElement;
if (frameworkElement != null)
{
Rect computedTightBounds = frameworkElement.GetComputedTightBounds();
double val1_1 = 100.0;
double val1_2 = 100.0;
if (ProjectNeutralTypes.GridSplitter.IsAssignableFrom((ITypeId)node.Type))
{
val1_1 = 5.0;
}
else if (PlatformTypes.Button.IsAssignableFrom((ITypeId)node.Type))
{
val1_1 = 75.0;
}
else if (PlatformTypes.ComboBox.IsAssignableFrom((ITypeId)node.Type))
{
val1_1 = 120.0;
}
if (PlatformTypes.ProgressBar.IsAssignableFrom((ITypeId)node.Type))
{
val1_2 = 10.0;
}
else if (PlatformTypes.Button.IsAssignableFrom((ITypeId)node.Type) || PlatformTypes.ComboBox.IsAssignableFrom((ITypeId)node.Type))
{
val1_2 = double.NaN;
}
if ((designerForChild.GetWidthConstraintMode(child) & LayoutConstraintMode.CanvasLike) == LayoutConstraintMode.NonOverlappingGridlike)
{
val1_1 = Math.Min(val1_1, computedTightBounds.Width);
}
if ((designerForChild.GetHeightConstraintMode(child) & LayoutConstraintMode.CanvasLike) == LayoutConstraintMode.NonOverlappingGridlike)
{
val1_2 = Math.Min(val1_2, computedTightBounds.Height);
}
rect = new Rect(rect.Left, rect.Top, double.IsNaN(rect.Width) ? val1_1 : rect.Width, double.IsNaN(rect.Height) ? val1_2 : rect.Height);
}
}
}
LayoutOverrides layoutOverrides = LayoutOverrides.None;
LayoutOverrides overridesToIgnore = LayoutOverrides.None;
Rect rect1 = rect;
if (double.IsNaN(rect.Width))
{
layoutOverrides |= LayoutOverrides.Width;
rect1.Width = 0.0;
}
else
{
overridesToIgnore |= LayoutOverrides.Width;
}
if (double.IsNaN(rect.Height))
{
layoutOverrides |= LayoutOverrides.Height;
rect1.Height = 0.0;
}
else
{
overridesToIgnore |= LayoutOverrides.Height;
}
designerForChild.SetChildRect(child, rect1, layoutOverrides, overridesToIgnore, LayoutOverrides.None, setRectMode);
undo.Update();
IViewVisual viewVisual = child.ViewObject as IViewVisual;
if (viewVisual == null || !double.IsNaN(rect.Width) && !double.IsNaN(rect.Height))
{
return;
}
viewVisual.UpdateLayout();
Rect childRect = designerForChild.GetChildRect(child);
if (double.IsNaN(rect.Width) && !flag1)
{
if (viewVisual.RenderSize.Width < 5.0)
{
rect1.Width = 100.0;
layoutOverrides &= ~LayoutOverrides.Width;
overridesToIgnore |= LayoutOverrides.Width;
}
else
{
rect1.Width = childRect.Width;
}
}
if (double.IsNaN(rect.Height) && !flag2)
{
if (viewVisual.RenderSize.Height < 5.0)
{
rect1.Height = 100.0;
layoutOverrides &= ~LayoutOverrides.Height;
overridesToIgnore |= LayoutOverrides.Height;
}
else
{
rect1.Height = childRect.Height;
}
}
LayoutOverrides nonExplicitOverrides = LayoutOverrides.None;
if (PlatformTypes.FlowDocumentScrollViewer.IsAssignableFrom((ITypeId)child.Type) || PlatformTypes.RichTextBox.IsAssignableFrom((ITypeId)child.Type))
{
nonExplicitOverrides = LayoutOverrides.Width;
}
designerForChild.SetChildRect(child, rect1, layoutOverrides, overridesToIgnore, nonExplicitOverrides, setRectMode);
}
}
