private IProperty GetSpecialDefaultBindingProperty(DataBindingDragDropFlags filteredDragFlags)
{
DataSchemaNodePath primaryAbsolutePath = this.DragModel.DataSource.PrimaryAbsolutePath;
IProperty defaultBindingProperty = this.GetDefaultBindingProperty(filteredDragFlags, primaryAbsolutePath);
if (!DataContextMetadata.HasDataContextAttributes(defaultBindingProperty))
{
return((IProperty)null);
}
DataContextInfo dataContextInfo = new DataContextEvaluator().Evaluate(this.DragModel.TargetNode, (IPropertyId)defaultBindingProperty, true);
if (dataContextInfo.DataSource.SourceNode != primaryAbsolutePath.Schema.DataSource.DocumentNode)
{
return((IProperty)null);
}
DataSchemaNodePath nodePathFromPath = primaryAbsolutePath.Schema.GetNodePathFromPath(dataContextInfo.DataSource.Path);
if (!nodePathFromPath.IsSubpathOf(primaryAbsolutePath))
{
return((IProperty)null);
}
DataSchemaNodePath relativeNodePath = nodePathFromPath.GetRelativeNodePath(primaryAbsolutePath);
if (relativeNodePath.CollectionDepth != 0)
{
return((IProperty)null);
}
this.DragModel.TargetPropertySpecialDataContext = relativeNodePath;
return(defaultBindingProperty);
}
private void ApplyRulesInternal(DataBindingDragDropModel model, DataBindingDragDropFlags filteredDragFlags)
{
if ((filteredDragFlags & DataBindingDragDropFlags.SetBinding) == DataBindingDragDropFlags.SetBinding)
{
if (model.InsertionPoint.Property != null)
{
model.DropFlags &= ~DataBindingDragDropFlags.SetBinding;
IType type = model.RelativeDropSchemaPath.Type;
if (type != null && BindingPropertyHelper.GetPropertyCompatibility(model.InsertionPoint.Property, type, (ITypeResolver)model.TargetNode.ProjectContext) != BindingPropertyCompatibility.None)
{
model.TargetProperty = model.InsertionPoint.Property;
model.DropFlags |= DataBindingDragDropFlags.SetBinding;
}
}
else if ((filteredDragFlags & DataBindingDragDropFlags.AutoPickProperty) == DataBindingDragDropFlags.AutoPickProperty)
{
model.TargetProperty = this.GetSpecialDefaultBindingProperty(filteredDragFlags);
if (model.TargetProperty == null)
{
model.TargetProperty = this.GetDefaultBindingProperty(filteredDragFlags, model.RelativeDropSchemaPath);
}
if (model.TargetProperty != null)
{
model.DropFlags |= DataBindingDragDropFlags.SetBinding;
}
}
}
if ((filteredDragFlags & DataBindingDragDropFlags.CreateElement) != DataBindingDragDropFlags.CreateElement || !PlatformTypes.Panel.IsAssignableFrom((ITypeId)model.TargetNode.Type))
{
return;
}
if (DataBindingModeModel.Instance.NormalizedMode == DataBindingMode.Default && model.RelativeDropSchemaPath.IsCollection)
{
model.NewElementType = !model.RelativeDropSchemaPath.IsHierarchicalCollection ? DataBindingDragDropDefaultHandler.ItemsControlType : DataBindingDragDropDefaultHandler.TreeControlType;
model.NewElementProperty = (IPropertyId)model.NewElementType.GetMember(MemberType.LocalProperty, "ItemsSource", MemberAccessTypes.Public);
model.DropFlags |= DataBindingDragDropFlags.CreateElement;
}
List <DataSchemaNode> toCreateElements = this.GetNodesToCreateElements();
if (toCreateElements.Count < model.DataSource.Count)
{
return;
}
model.DropFlags |= DataBindingDragDropFlags.CreateElement;
model.NodesToCreateElements = (IList <DataSchemaNode>)toCreateElements;
if (model.NewElementType != null)
{
return;
}
IType dataType = toCreateElements[0].ResolveType(model.TargetNode.DocumentNode.TypeResolver);
DataViewTemplateEntry viewTemplateEntry = DataViewFactory.GetDataViewTemplateEntry(model.Platform, dataType, DataViewCategory.Master);
model.NewElementType = (ITypeId)viewTemplateEntry.FieldNode.Type;
model.NewElementProperty = (IPropertyId)viewTemplateEntry.FieldValueProperty;
}
private static bool CheckFlags(DataBindingDragDropFlags actualFlags, DataBindingDragDropFlags testFlags, bool exactMatch)
{
DataBindingDragDropFlags bindingDragDropFlags = actualFlags & testFlags;
if (bindingDragDropFlags == DataBindingDragDropFlags.None)
{
return(false);
}
if (bindingDragDropFlags == testFlags)
{
return(true);
}
return(!exactMatch);
}
private IProperty GetDefaultBindingProperty(DataBindingDragDropFlags filteredDragFlags, DataSchemaNodePath schemaPath)
{
IType type = schemaPath.Type;
IProperty property;
if (!schemaPath.IsCollection || schemaPath.Node.Type == (Type)null || !(schemaPath.Schema is XmlSchema))
{
property = this.GetDefaultBindingProperty(filteredDragFlags, type);
}
else
{
IType dataType = this.ProjectContext.ResolveType(PlatformTypes.ICollection);
property = !type.IsAssignableFrom((ITypeId)dataType) ? this.GetDefaultBindingProperty(filteredDragFlags, dataType) ?? this.GetDefaultBindingProperty(filteredDragFlags, type) : this.GetDefaultBindingProperty(filteredDragFlags, type);
}
return(property);
}
private IProperty GetDefaultBindingProperty(DataBindingDragDropFlags filteredDragFlags, IType dataType)
{
if (dataType == null)
{
return((IProperty)null);
}
BindingPropertyMatchInfo bindingPropertyInfo = BindingPropertyHelper.GetDefaultBindingPropertyInfo(this.DragModel.TargetNode, dataType);
if (bindingPropertyInfo.Property == null)
{
return((IProperty)null);
}
if (bindingPropertyInfo.Compatibility == BindingPropertyCompatibility.StringSpecial && !PlatformTypes.IConvertible.IsAssignableFrom((ITypeId)dataType))
{
return((IProperty)null);
}
if (bindingPropertyInfo.Compatibility == BindingPropertyCompatibility.DataContext)
{
if ((filteredDragFlags & DataBindingDragDropFlags.DiscourageDataContext) == DataBindingDragDropFlags.DiscourageDataContext)
{
return((IProperty)null);
}
SceneElement sceneElement = this.DragModel.TargetNode as SceneElement;
if (sceneElement == null)
{
return((IProperty)null);
}
if (!sceneElement.IsContainer && !PlatformTypes.UserControl.IsAssignableFrom((ITypeId)sceneElement.Type) && (sceneElement.Parent != null && !PlatformTypes.FrameworkTemplate.IsAssignableFrom((ITypeId)sceneElement.Parent.Type)))
{
return((IProperty)null);
}
if (PlatformTypes.IConvertible.IsAssignableFrom((ITypeId)dataType))
{
return((IProperty)null);
}
}
if (bindingPropertyInfo.Compatibility == BindingPropertyCompatibility.Assignable && bindingPropertyInfo.Property.PropertyType.RuntimeType == typeof(object) && !PlatformTypes.IConvertible.IsAssignableFrom((ITypeId)dataType))
{
return((IProperty)null);
}
if (PlatformTypes.IEnumerable.IsAssignableFrom((ITypeId)bindingPropertyInfo.Property.PropertyType) && !PlatformTypes.String.IsAssignableFrom((ITypeId)bindingPropertyInfo.Property.PropertyType) && PlatformTypes.String.IsAssignableFrom((ITypeId)dataType))
{
return((IProperty)null);
}
return(bindingPropertyInfo.Property);
}
private void Disambiguate()
{
if (this.DragModel.CheckDropFlags(DataBindingDragDropFlags.SetBinding) && !this.DragModel.ViewModel.BindingEditor.CanCreateAndSetBindingOrData(this.DragModel.TargetNode, (IPropertyId)this.DragModel.TargetProperty, this.DragModel.DataSource.PrimaryAbsolutePath, true))
{
this.DragModel.DropFlags &= ~DataBindingDragDropFlags.SetBinding;
}
this.DragModel.DropFlags &= this.DragModel.DragFlags;
DataBindingDragDropFlags flags = DataBindingDragDropFlags.SetBinding | DataBindingDragDropFlags.CreateElement;
if (!this.DragModel.CheckDropFlags(flags))
{
return;
}
DataBindingDragDropFlags bindingDragDropFlags = this.DragModel.InsertionPoint.InsertIndex < 0 ? (this.DragModel.CheckDragFlags(DataBindingDragDropFlags.AutoPickProperty) ? DataBindingDragDropFlags.CreateElement : DataBindingDragDropFlags.SetBinding) : DataBindingDragDropFlags.CreateElement;
this.DragModel.DropFlags &= ~flags;
this.DragModel.DropFlags |= bindingDragDropFlags;
}
private void ApplyRules(DataBindingDragDropFlags filteredDragFlags)
{
this.ApplyRulesInternal(this.DragModel, filteredDragFlags);
if (!this.ShouldTryDropOnAncestorPanel(filteredDragFlags))
{
return;
}
DataBindingDragDropModel ancestorPanelModel = this.DragModel.AncestorPanelModel;
if (ancestorPanelModel == null || ancestorPanelModel == this.DragModel)
{
return;
}
DataBindingDragDropFlags filteredDragFlags1 = filteredDragFlags & ~DataBindingDragDropFlags.SetBinding;
this.ApplyRulesInternal(ancestorPanelModel, filteredDragFlags1);
if (!ancestorPanelModel.CheckDropFlags(DataBindingDragDropFlags.CreateElement))
{
return;
}
this.DragModel = ancestorPanelModel;
}
private bool UpdateDragModelDefault()
{
int collectionDepth = this.DragModel.RelativeDropSchemaPath.CollectionDepth;
if (collectionDepth > 1 || collectionDepth > 0 && this.DragModel.RelativeDropSchemaPath.IsMethod)
{
return(false);
}
DataBindingDragDropFlags dragFlags = this.DragModel.DragFlags;
if (this.DragModel.DataSource.Count == 1 && (collectionDepth == 0 || this.DragModel.RelativeDropSchemaPath.IsCollection))
{
this.DragModel.DropFlags |= DataBindingDragDropFlags.SetBinding;
}
else if (this.DragModel.DataSource.Count > 1 && collectionDepth == 0)
{
dragFlags &= ~(DataBindingDragDropFlags.SetBinding | DataBindingDragDropFlags.AutoPickProperty);
}
DataSchemaNode effectiveCollectionNode = this.DragModel.RelativeDropSchemaPath.EffectiveCollectionNode;
bool flag = effectiveCollectionNode != null && effectiveCollectionNode != this.DragModel.RelativeDropSchemaPath.Node;
if (flag)
{
this.DragModel.RelativeDropSchemaPath = new DataSchemaNodePath(this.DragModel.RelativeDropSchemaPath.Schema, effectiveCollectionNode);
}
this.ApplyRules(dragFlags);
if (this.DragModel.TargetPropertySpecialDataContext != null)
{
this.DragModel.RelativeDropSchemaPath = this.DragModel.TargetPropertySpecialDataContext;
}
else if (flag && this.DragModel.CheckDropFlags(DataBindingDragDropFlags.SetBinding) && !this.ShouldGenerateDetails(this.DragModel.TargetProperty))
{
this.DragModel.TargetProperty = (IProperty)null;
this.DragModel.DropFlags &= ~DataBindingDragDropFlags.SetBinding;
}
return(true);
}
public static DataBindingDragDropModel GetDragFeedback(DataSchemaNodePathCollection information, BindingSceneInsertionPoint insertionPoint, DataBindingDragDropFlags dragFlags, ModifierKeys modifiers)
{
bool flag = (modifiers & ModifierKeys.Alt) == ModifierKeys.Alt;
if (!DataBindingDragDropManager.isAltModifier.HasValue)
{
if (flag)
{
DataBindingModeModel.Instance.SetMode(DataBindingMode.Details, false);
}
}
else if (DataBindingDragDropManager.isAltModifier.Value != flag)
{
DataBindingModeModel.Instance.SetMode(flag ? DataBindingMode.Details : DataBindingMode.Default, false);
}
DataBindingDragDropManager.isAltModifier = new bool?(flag);
if ((modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
{
dragFlags &= ~DataBindingDragDropFlags.AutoPickProperty;
dragFlags &= ~DataBindingDragDropFlags.AllowRetargetElement;
}
if (insertionPoint.Property != null)
{
dragFlags &= ~DataBindingDragDropFlags.CreateElement;
}
if (!BindingPropertyHelper.HasBindableProperties(insertionPoint.SceneNode))
{
dragFlags &= ~(DataBindingDragDropFlags.SetBinding | DataBindingDragDropFlags.AutoPickProperty);
}
DataBindingDragDropModel bindingDragDropModel = new DataBindingDragDropModel(information, insertionPoint, dragFlags, modifiers);
if (!DataBindingDragDropModel.Equals(bindingDragDropModel, DataBindingDragDropManager.effectiveDragModel))
{
PerformanceUtility.StartPerformanceSequence(PerformanceEvent.DataBindingDragModelUpdate);
DataBindingDragDropManager.effectiveDragModel = DataBindingDragDropManager.UpdateDragModel(bindingDragDropModel);
PerformanceUtility.EndPerformanceSequence(PerformanceEvent.DataBindingDragModelUpdate);
}
return(DataBindingDragDropManager.effectiveDragModel);
}
private bool ShouldTryDropOnAncestorPanel(DataBindingDragDropFlags filteredDragFlags)
{
return((filteredDragFlags & DataBindingDragDropFlags.CreateElement) != DataBindingDragDropFlags.None && this.DragModel.CheckDragFlags(DataBindingDragDropFlags.AllowRetargetElement) && (this.DragModel.DropFlags == DataBindingDragDropFlags.None || this.DragModel.DataSource.PrimarySchemaNodePath.IsCollection && !this.DragModel.CheckDropFlags(DataBindingDragDropFlags.CreateElement) && (this.DragModel.TargetProperty == null || FrameworkElement.DataContextProperty.Equals((object)this.DragModel.TargetProperty))));
}
public bool CheckDragFlags(DataBindingDragDropFlags flags, bool exactMatch)
{
return(DataBindingDragDropModel.CheckFlags(this.DragFlags, flags, exactMatch));
}
public bool CheckDragFlags(DataBindingDragDropFlags flags)
{
return(this.CheckDragFlags(flags, true));
}
public DataBindingDragDropModel(DataSchemaNodePathCollection dataSource, BindingSceneInsertionPoint insertionPoint, DataBindingDragDropFlags dragFlags, ModifierKeys modifiers)
{
this.DataSource = dataSource;
this.InsertionPoint = insertionPoint;
this.DragFlags = dragFlags;
this.Modifiers = modifiers;
}
