public DataBindingDialogModel(DataPanelModel model, SceneNode targetElement, ReferenceStep targetProperty)
: base(targetElement, targetProperty)
{
this.isBinding = true;
this.addXmlDataSourceCommand = model.AddXmlDataSourceCommand;
this.createSampleDataCommand = model.CreateSampleDataCommand;
this.createSampleDataFromXmlCommand = model.CreateSampleDataFromXmlCommand;
this.addClrObjectDataSourceCommand = model.AddClrObjectDataSourceCommand;
DataContextInfo dataContextInfo = new DataContextEvaluator().Evaluate(targetElement, (IPropertyId)targetProperty, true);
if (dataContextInfo.DataSource.IsValidWithSource)
{
ISchema schemaForDataSource = SchemaManager.GetSchemaForDataSource(dataContextInfo.DataSource.SourceNode);
if (schemaForDataSource != null && !(schemaForDataSource is EmptySchema))
{
this.dataContext = schemaForDataSource.GetNodePathFromPath(dataContextInfo.DataSource.Path);
}
}
this.bindsTwoWayByDefault = this.BindsTwoWayByDefault(targetElement, targetProperty);
this.bindingFilterModes = new ObservableCollection <BindingFilterMode>();
this.bindingFilterModes.Add(BindingFilterMode.None);
this.bindingFilterModes.Add(BindingFilterMode.FilterByType);
ICollectionView defaultView = CollectionViewSource.GetDefaultView((object)this.bindingFilterModes);
defaultView.MoveCurrentTo((object)BindingFilterMode.FilterByType);
this.bindingSources = new ObservableCollection <IBindingSourceModel>();
this.dataSourceModel = new DataSourceBindingSourceModel(model, new DataSchemaItemFilter(this.BindingFilter));
this.AddBindingSource((IBindingSourceModel)this.dataSourceModel);
if (targetElement.ViewModel.ActiveEditingContainer is SceneElement)
{
this.elementPropertyModel = new ElementPropertyBindingSourceModel(targetElement, new DataSchemaItemFilter(this.BindingFilter));
this.AddBindingSource((IBindingSourceModel)this.elementPropertyModel);
}
this.explicitDataContextModel = new ExplicitDataContextBindingSourceModel(targetElement, targetProperty, new DataSchemaItemFilter(this.BindingFilter));
this.AddBindingSource((IBindingSourceModel)this.explicitDataContextModel);
this.bindingSourcesProxy = new BindingProxy <IBindingSourceModel>();
this.bindingSourcesProxy.PropertyChanged += new PropertyChangedEventHandler(this.BindingSourcesProxy_PropertyChanged);
this.bindingSourcesView = (CollectionView) new DataBindingProxyCollectionView <IBindingSourceModel>(this.bindingSources, (IDataBindingProxy <IBindingSourceModel>) this.bindingSourcesProxy);
BindingSceneNode binding = targetElement.GetBinding((IPropertyId)targetProperty);
if (binding != null)
{
this.SetExistingBindingValues(binding);
}
else if (!(this.explicitDataContextModel.Schema is EmptySchema))
{
this.bindingSourcesView.MoveCurrentTo((object)this.explicitDataContextModel);
}
else
{
this.bindingSourcesView.MoveCurrentTo((object)this.dataSourceModel);
}
if (binding == null || !binding.IsModeSet)
{
this.CurrentBindingMode = BindingPropertyHelper.GetDefaultBindingMode(this.TargetElement.DocumentNode, (IPropertyId)this.TargetProperty, this.CurrentDataPath).Mode;
}
this.bindingSourcesView.CurrentChanging += new CurrentChangingEventHandler(this.BindingSourcesView_CurrentChanging);
defaultView.CurrentChanged += new EventHandler(this.BindingFilterModesView_CurrentChanged);
this.PropertyChanged += new PropertyChangedEventHandler(this.DataBindingDialogModel_PropertyChanged);
}
public static object GetTemplateDataContext(DocumentNode rootNode, SceneViewModel viewModel)
{
if (!PlatformTypes.DataTemplate.IsAssignableFrom((ITypeId)rootNode.Type))
{
return((object)null);
}
DataContextInfo dataContextInfo = new DataContextEvaluator().Evaluate(viewModel.GetSceneNode(rootNode));
if (dataContextInfo.DataSource == null || !dataContextInfo.DataSource.IsValidWithSource)
{
return((object)null);
}
object obj = (object)null;
if (dataContextInfo.DataSource.Category == DataSourceCategory.Clr)
{
obj = DataContextEvaluator.CreateClrDataContext(dataContextInfo.DataSource, viewModel);
}
else if (dataContextInfo.DataSource.Category == DataSourceCategory.Xml)
{
obj = DataContextEvaluator.CreateXmlDataContext(dataContextInfo.DataSource, viewModel);
}
return(obj);
}
private static object CreateClrDataContext(DataSourceInfo dataSource, SceneViewModel viewModel)
{
DocumentNode sourceNode = dataSource.SourceNode;
if (PlatformTypes.DataTemplate.IsAssignableFrom((ITypeId)sourceNode.Type))
{
return((object)null);
}
object obj1 = (object)null;
using (StandaloneInstanceBuilderContext instanceBuilderContext = new StandaloneInstanceBuilderContext(viewModel.Document.DocumentContext, viewModel.DesignerContext))
{
try
{
IInstanceBuilder builder = instanceBuilderContext.InstanceBuilderFactory.GetBuilder(sourceNode.TargetType);
ViewNode viewNode = builder.GetViewNode((IInstanceBuilderContext)instanceBuilderContext, sourceNode);
if (builder.Instantiate((IInstanceBuilderContext)instanceBuilderContext, viewNode))
{
obj1 = DataContextEvaluator.GetEvaluatedValue(viewNode.Instance);
}
}
catch
{
}
}
if (obj1 == null || string.IsNullOrEmpty(dataSource.Path))
{
return(obj1);
}
object instance = obj1;
try
{
IList <ClrPathPart> list1 = ClrPropertyPathHelper.SplitPath(dataSource.Path);
if (list1 == null)
{
return((object)null);
}
for (int index = 0; index < list1.Count; ++index)
{
if (instance != null)
{
Type type = instance.GetType();
object obj2 = (object)null;
ClrPathPart clrPathPart = list1[index];
if (clrPathPart.Category == ClrPathPartCategory.PropertyName)
{
PropertyInfo property = type.GetProperty(clrPathPart.Path);
if (property != (PropertyInfo)null)
{
obj2 = property.GetValue(instance, (object[])null);
}
}
else
{
CollectionAdapterDescription adapterDescription = CollectionAdapterDescription.GetAdapterDescription(type);
if (adapterDescription != null)
{
IList list2 = adapterDescription.GetCollectionAdapter(instance) as IList;
if (list2 != null)
{
int result = 0;
if (clrPathPart.Category == ClrPathPartCategory.IndexStep)
{
if (!int.TryParse(clrPathPart.Path.Trim('[', ']'), out result))
{
goto label_23;
}
}
obj2 = list2[result];
}
}
}
label_23:
instance = obj2;
}
else
{
break;
}
}
}
catch
{
instance = (object)null;
}
return(instance);
}
