// <summary>
// NOTE: The association set mapping view model doesn't keep a reference to the mapping model item. Instead, it
// keeps it to the AssociationSet and then it can find the AssociationSetMapping as an anti-dep. We don't need to clear
// or set the ModelItem property.
// </summary>
internal override void CreateModelItem(CommandProcessorContext cpc, EditingContext context, EFElement underlyingModelItem)
{
Debug.Assert(context != null, "The context argument cannot be null");
Debug.Assert(AssociationSet.AssociationSetMapping == null, "Don't call this method if we already have a mapping");
Debug.Assert(underlyingModelItem != null, "The underlyingModelItem cannot be null");
var storeEntityType = underlyingModelItem as EntityType;
Debug.Assert(
storeEntityType != null,
"underlyingModelItem must be of type EntityType, actual type = " + underlyingModelItem.GetType().FullName);
Debug.Assert(!storeEntityType.EntityModel.IsCSDL, "The storageEntityType must not be a CSDL EntityType");
Context = context;
// create a context if we weren't passed one
if (cpc == null)
{
cpc = new CommandProcessorContext(
Context, EfiTransactionOriginator.MappingDetailsOriginatorId, Resources.Tx_CreateAssociationSetMapping);
}
// create the item
var cmd1 = new CreateAssociationSetMappingCommand(MappingAssociation.Association, storeEntityType);
// now try and do some match ups by name
var cmd2 = new DelegateCommand(
() =>
{
Parent.AddChild(this);
foreach (var child in Children)
{
var end = child as MappingAssociationSetEnd;
if (end != null)
{
foreach (var child2 in end.Children)
{
var mesp = child2 as MappingEndScalarProperty;
if (mesp != null)
{
var tableColumn =
MappingAssociationSet.StorageEntityType.GetFirstNamedChildByLocalName(mesp.Property, true) as
Property;
if (tableColumn != null)
{
mesp.CreateModelItem(cpc, _context, tableColumn);
}
}
}
}
}
});
// now make the change
var cp = new CommandProcessor(cpc);
cp.EnqueueCommand(cmd1);
cp.EnqueueCommand(cmd2);
cp.Invoke();
}
internal static void StaticInvoke(CommandProcessorContext cpc, EntityTypeShape entityTypeShape, Guid domainPropertyId)
{
var viewModel = entityTypeShape.GetRootViewModel();
Debug.Assert(viewModel != null, "Unable to find root view model from entity type shape:" + entityTypeShape.AccessibleName);
if (viewModel != null)
{
var modelEntityShape = viewModel.ModelXRef.GetExisting(entityTypeShape) as Model.Designer.EntityTypeShape;
// If ModelXRef does not contain about model EntityTypeShape,try to get the information through DSL Model Element
if (modelEntityShape == null)
{
var modelDiagram = viewModel.ModelXRef.GetExisting(viewModel.GetDiagram()) as Diagram;
var entityType = viewModel.ModelXRef.GetExisting(entityTypeShape.ModelElement) as EntityType;
Debug.Assert(modelDiagram != null, "Why Escher Diagram is null?");
Debug.Assert(entityType != null, "Why there is no XRef between Escher EntityType and DSL EntityT?");
if (modelDiagram != null &&
entityType != null)
{
modelEntityShape =
entityType.GetAntiDependenciesOfType <Model.Designer.EntityTypeShape>()
.FirstOrDefault(ets => ets.Diagram.Id == modelDiagram.Id.Value);
}
if (modelEntityShape != null)
{
viewModel.ModelXRef.Add(modelEntityShape, entityTypeShape, cpc.EditingContext);
}
}
// if modelentityshape is still null, create one
if (modelEntityShape == null)
{
EntityTypeShapeAdd.StaticInvoke(cpc, entityTypeShape);
modelEntityShape = viewModel.ModelXRef.GetExisting(entityTypeShape) as Model.Designer.EntityTypeShape;
}
Debug.Assert(modelEntityShape != null);
if (modelEntityShape != null)
{
if (domainPropertyId == NodeShape.AbsoluteBoundsDomainPropertyId)
{
var cp = new CommandProcessor(cpc);
cp.EnqueueCommand(
new UpdateDefaultableValueCommand <double>(modelEntityShape.PointX, entityTypeShape.AbsoluteBounds.X));
cp.EnqueueCommand(
new UpdateDefaultableValueCommand <double>(modelEntityShape.PointY, entityTypeShape.AbsoluteBounds.Y));
cp.EnqueueCommand(
new UpdateDefaultableValueCommand <double>(modelEntityShape.Width, entityTypeShape.AbsoluteBounds.Width));
cp.Invoke();
}
else if (domainPropertyId == NodeShape.IsExpandedDomainPropertyId)
{
var cmd = new UpdateDefaultableValueCommand <bool>(modelEntityShape.IsExpanded, entityTypeShape.IsExpanded);
CommandProcessor.InvokeSingleCommand(cpc, cmd);
}
}
}
}
// <summary>
// Show the dialog to edit an existing enum type.
// </summary>
public static void EditEnumType(
EditingContext editingContext, string originatingId, EnumTypeViewModel enumTypeViewModel, EventHandler onDialogActivated = null)
{
if (editingContext == null)
{
throw new ArgumentNullException("editingContext");
}
if (enumTypeViewModel == null)
{
throw new ArgumentNullException("enumTypeViewModel");
}
Debug.Assert(
!enumTypeViewModel.IsNew,
typeof(EntityDesignViewModelHelper).Name + ".EditEnumType: Expected existing enum type is passed in");
if (enumTypeViewModel.IsNew == false)
{
var result = ShowEnumTypeDialog(enumTypeViewModel, onDialogActivated);
var enumType = enumTypeViewModel.EnumType;
if (result == true)
{
var cp = new CommandProcessor(editingContext, originatingId, Resources.Tx_UpdateEnumType);
cp.EnqueueCommand(
new SetEnumTypeFacetCommand(
enumType
, enumTypeViewModel.Name, enumTypeViewModel.SelectedUnderlyingType
, enumTypeViewModel.IsReferenceExternalType ? enumTypeViewModel.ExternalTypeName : String.Empty
, enumTypeViewModel.IsFlag));
// We delete and create enum type members.
// TODO: we might want to do intelligent edit for large number of enum type member.
foreach (var enumTypeMember in enumType.Members())
{
cp.EnqueueCommand(enumTypeMember.GetDeleteCommand());
}
foreach (var enumTypeMemberViewModel in enumTypeViewModel.Members)
{
if (String.IsNullOrWhiteSpace(enumTypeMemberViewModel.Name) == false)
{
cp.EnqueueCommand(
new CreateEnumTypeMemberCommand(enumType, enumTypeMemberViewModel.Name, enumTypeMemberViewModel.Value));
}
}
cp.Invoke();
}
}
}
public override void OnDoubleClick(DiagramPointEventArgs e)
{
var association = ModelElement;
if (association != null)
{
var diagram = Diagram as EntityDesignerDiagram;
if (diagram != null)
{
var ec = diagram.GetModel().EditingContext;
var xref = ModelToDesignerModelXRef.GetModelToDesignerModelXRef(ec);
var modelAssociation = xref.GetExisting(association) as Model.Entity.Association;
Debug.Assert(modelAssociation != null, "couldn't find model association for connector");
if (modelAssociation != null)
{
var commands = ReferentialConstraintDialog.LaunchReferentialConstraintDialog(modelAssociation);
var cpc = new CommandProcessorContext(
ec, EfiTransactionOriginator.EntityDesignerOriginatorId, Resources.Tx_ReferentialContraint);
var cp = new CommandProcessor(cpc);
foreach (var c in commands)
{
cp.EnqueueCommand(c);
}
cp.Invoke();
}
}
}
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if (context == null ||
context.Instance == null)
{
return(value);
}
var desc = context.Instance as EFAssociationDescriptor;
if (desc != null)
{
var assoc = desc.WrappedItem as Association;
if (assoc != null)
{
var commands = ReferentialConstraintDialog.LaunchReferentialConstraintDialog(assoc);
var cpc = new CommandProcessorContext(
desc.EditingContext,
EfiTransactionOriginator.PropertyWindowOriginatorId,
Resources.Tx_ReferentialContraint);
var cp = new CommandProcessor(cpc);
foreach (var c in commands)
{
cp.EnqueueCommand(c);
}
cp.Invoke();
}
}
return(value);
}
// <summary>
// Show the dialog to create a new enum type.
// </summary>
public static EnumType AddNewEnumType(
string selectedUnderlyingType, EditingContext editingContext, string originatingId, EventHandler onDialogActivated = null)
{
if (editingContext == null)
{
throw new ArgumentNullException("editingContext");
}
var artifactService = editingContext.GetEFArtifactService();
var entityDesignArtifact = artifactService.Artifact as EntityDesignArtifact;
Debug.Assert(
entityDesignArtifact != null,
typeof(EntityDesignViewModelHelper).Name
+ ".AddEnumType: Unable to find Entity Design Artifact from the passed in editing context.");
if (entityDesignArtifact != null)
{
var vm = new EnumTypeViewModel(entityDesignArtifact, selectedUnderlyingType);
var result = ShowEnumTypeDialog(vm, onDialogActivated);
if (result == true &&
vm.IsValid)
{
var cp = new CommandProcessor(editingContext, originatingId, Resources.Tx_CreateEnumType);
var createEnumTypeCommand = new CreateEnumTypeCommand(
vm.Name, vm.SelectedUnderlyingType
, (vm.IsReferenceExternalType ? vm.ExternalTypeName : String.Empty), vm.IsFlag, false);
cp.EnqueueCommand(createEnumTypeCommand);
foreach (var member in vm.Members)
{
if (String.IsNullOrWhiteSpace(member.Name) == false)
{
cp.EnqueueCommand(new CreateEnumTypeMemberCommand(createEnumTypeCommand, member.Name, member.Value));
}
}
cp.Invoke();
return(createEnumTypeCommand.EnumType);
}
}
return(null);
}
internal static void DoMigrate(CommandProcessorContext cpc, EntityDesignArtifact artifact)
{
var xmlModelProvider = artifact.XmlModelProvider as VSXmlModelProvider;
Debug.Assert(xmlModelProvider != null, "Artifact's model provider is not type of VSXmlModelProvider.");
if ((xmlModelProvider != null) &&
(xmlModelProvider.UndoManager != null))
{
var undoManager = xmlModelProvider.UndoManager;
try
{
// We need to temporarily disable the Undo Manager because this operation is not undoable.
if (undoManager != null)
{
undoManager.Enable(0);
}
var command = new MigrateDiagramInformationCommand(artifact);
var processor = new CommandProcessor(cpc, shouldNotifyObservers: false);
processor.EnqueueCommand(command);
processor.Invoke();
Debug.Assert(artifact.DiagramArtifact != null, "Diagram artifact should have been created by now.");
if (artifact.DiagramArtifact != null)
{
// Ensure that diagram file is added to the project.
var service = PackageManager.Package.GetService(typeof(DTE)) as DTE;
service.ItemOperations.AddExistingItem(artifact.DiagramArtifact.Uri.LocalPath);
// Reload the artifacts.
artifact.ReloadArtifact();
artifact.IsDirty = true;
// The code below ensures mapping window and model-browser window are refreshed.
Debug.Assert(
PackageManager.Package.DocumentFrameMgr != null, "Could not find the DocumentFrameMgr for this package");
if (PackageManager.Package.DocumentFrameMgr != null)
{
PackageManager.Package.DocumentFrameMgr.SetCurrentContext(cpc.EditingContext);
}
}
}
finally
{
if (undoManager != null)
{
undoManager.Enable(1);
}
}
}
}
internal static bool SetBaseEntityType(
CommandProcessorContext cpc, ConceptualEntityType derivedEntity, ConceptualEntityType baseEntity)
{
if (ModelHelper.CheckForCircularInheritance(derivedEntity, baseEntity))
{
var message = String.Format(
CultureInfo.CurrentCulture, Resources.Error_CircularInheritanceAborted, derivedEntity.LocalName.Value,
baseEntity.LocalName.Value);
VsUtils.ShowErrorDialog(message);
return(false);
}
var cp = new CommandProcessor(cpc);
if (derivedEntity.BaseType.Target != null)
{
// CreateInheritanceCommand works only for entities that don't have base type set
// so we need to remove base type first in this case
cp.EnqueueCommand(new DeleteInheritanceCommand(derivedEntity));
}
if (baseEntity != null)
{
// in case the user has chosen "(None)" then we just want to delete the existing one
cp.EnqueueCommand(new CreateInheritanceCommand(derivedEntity, baseEntity));
}
// a quick check to be sure
Debug.Assert(cp.CommandCount > 0, "Why didn't we enqueue at least one command?");
if (cp.CommandCount > 0)
{
cp.Invoke();
}
return(true);
}
internal void watermarkLabel_LinkClickedDeleteAssociation(object sender, LinkLabelLinkClickedEventArgs e)
{
var association = _toolWindow.GetAssociationFromLastPrimarySelection();
if (association == null)
{
Debug.Fail("association is null");
return;
}
var associationSetMappings = association.AssociationSet.GetAntiDependenciesOfType <AssociationSetMapping>();
Debug.Assert(_hostContext == _toolWindow.Context, "this.HostContext != to window.Context!");
if (HostContext == null)
{
Debug.Fail("Host context is null");
}
else
{
var cpc = new CommandProcessorContext(
_hostContext,
EfiTransactionOriginator.MappingDetailsOriginatorId,
Resources.Tx_DeleteAssociationSetMapping);
var cp = new CommandProcessor(cpc);
foreach (var associationSetMapping in associationSetMappings)
{
cp.EnqueueCommand(new DeleteEFElementCommand(associationSetMapping));
}
if (cp.CommandCount > 0)
{
cp.Invoke();
}
}
// reset watermark text to account for the deleted ASM.
if (_toolWindow.CanEditMappingsForAssociation(association, false))
{
_toolWindow.SetUpAssociationDisplay();
}
}
internal static bool UpdateEdmxAndEnvironment(ModelBuilderSettings settings)
{
var artifact = settings.Artifact as EntityDesignArtifact;
if (artifact == null)
{
Debug.Fail("In trying to UpdateEdmxAndEnvironment(), No Artifact was found in the ModelBuilderSettings");
return(false);
}
// Update the app. or web.config, register build providers etc
ConfigFileHelper.UpdateConfig(settings);
if (settings.SsdlStringReader != null &&
settings.MslStringReader != null)
{
// Create the XmlReaders for the ssdl and msl text
var ssdlXmlReader = XmlReader.Create(settings.SsdlStringReader);
var mslXmlReader = XmlReader.Create(settings.MslStringReader);
// Set up our post event to clear out the error list
var cmd = new ReplaceSsdlAndMslCommand(ssdlXmlReader, mslXmlReader);
cmd.PostInvokeEvent += (o, e) =>
{
var errorList = ErrorListHelper.GetSingleDocErrorList(e.CommandProcessorContext.Artifact.Uri);
if (errorList != null)
{
errorList.Clear();
}
};
// Update the model (all inside 1 transaction so we don't get multiple undo's/redo's)
var editingContext =
PackageManager.Package.DocumentFrameMgr.EditingContextManager.GetNewOrExistingContext(settings.Artifact.Uri);
var cpc = new CommandProcessorContext(
editingContext,
EfiTransactionOriginator.GenerateDatabaseScriptFromModelId, Resources.Tx_GenerateDatabaseScriptFromModel);
var cp = new CommandProcessor(cpc, cmd);
var addUseLegacyProviderCommand = ModelHelper.CreateSetDesignerPropertyValueCommandFromArtifact(
cpc.Artifact,
OptionsDesignerInfo.ElementName,
OptionsDesignerInfo.AttributeUseLegacyProvider,
settings.UseLegacyProvider.ToString());
if (addUseLegacyProviderCommand != null)
{
cp.EnqueueCommand(addUseLegacyProviderCommand);
}
// When the user had a v2 edmx file (it can happen when creating a new empty model in a project targeting
// .NET Framework 4 and the project does not have refereces to any of EF dlls) and selected EF6 in
// the "create database from model" wizard we need to update the artifact to use v3 schemas otherwise
// there will be a watermark saying that the edmx is not correct for the EF version and needs to be updated.
// We only want to run this command if the version really changed to avoid the overhead.
if (artifact.SchemaVersion != settings.TargetSchemaVersion)
{
cp.EnqueueCommand(new RetargetXmlNamespaceCommand(artifact, settings.TargetSchemaVersion));
}
cp.Invoke();
}
// First let's get the canonical file path since DTE needs this
if (!string.IsNullOrEmpty(settings.DdlFileName) &&
settings.DdlStringReader != null)
{
var canonicalFilePath = string.Empty;
try
{
var fi = new FileInfo(settings.DdlFileName);
canonicalFilePath = fi.FullName;
}
catch (Exception e)
{
Debug.Fail(
"We should have caught this exception '" + e.Message + "' immediately after the user clicked the 'Finish' button");
VsUtils.ShowErrorDialog(
String.Format(
CultureInfo.CurrentCulture, ModelWizard.Properties.Resources.ErrorCouldNotParseDdlFileName, settings.DdlFileName,
e.Message));
return(false);
}
// Output the DDL file, catch any Exceptions, display them, and revert
// back to the last page of the wizard.
try
{
OutputDdl(canonicalFilePath, settings.DdlStringReader);
}
catch (Exception e)
{
if (e.InnerException == null)
{
VsUtils.ShowErrorDialog(
String.Format(
CultureInfo.CurrentCulture, Resources.DatabaseCreation_ErrorWritingDdl, canonicalFilePath, e.Message));
}
else
{
VsUtils.ShowErrorDialog(
String.Format(
CultureInfo.CurrentCulture, Resources.DatabaseCreation_ErrorWritingDdlWithInner, canonicalFilePath,
e.Message, e.InnerException.Message));
}
return(false);
}
// Add DDL file to the project if it is inside the project
string relativePath;
if (VsUtils.TryGetRelativePathInProject(settings.Project, canonicalFilePath, out relativePath))
{
AddDDLFileToProject(settings.Project, canonicalFilePath);
}
// Open the DDL file if it is not already open
IVsUIHierarchy hier;
uint itemId;
IVsWindowFrame frame;
if (VsShellUtilities.IsDocumentOpen(
Services.ServiceProvider, canonicalFilePath, Guid.Empty, out hier, out itemId, out frame) == false)
{
VsShellUtilities.OpenDocument(Services.ServiceProvider, canonicalFilePath);
}
}
return(true);
}
internal static void EditFunctionImport(
EditingContext editingContext,
FunctionImport functionImport,
StorageEntityModel sModel,
ConceptualEntityModel cModel,
ConceptualEntityContainer cContainer,
object selectedObject,
string originatingId)
{
Debug.Assert(editingContext != null, "editingContext should not be null");
Debug.Assert(!string.IsNullOrEmpty(originatingId), "originatingId should not be null or empty");
// show dialog appropriate to framework version
var result = ShowNewFunctionImportDialog(
functionImport.Function,
functionImport.LocalName.Value,
sModel,
cModel,
cContainer,
DialogsResource.NewFunctionImportDialog_EditFunctionImportTitle,
selectedObject);
// if user selected OK on the dialog then create the FunctionImport
if (DialogResult.OK == result.DialogResult)
{
var commands = new List <Command>();
var cp = new CommandProcessor(editingContext, originatingId, Resources.Tx_UpdateFunctionImport);
CreateComplexTypeCommand createComplexTypeCommand = null;
// Make the decision based on what is returned by the dialog.
// If return type is a string and result schema is not null, that means the user would like to create a new complex type for the function import return.
if (result.ReturnType is string &&
result.Schema != null)
{
createComplexTypeCommand = CreateMatchingFunctionImportCommand.AddCreateComplexTypeCommands(
sModel, result.ReturnType as string, result.Schema.RawColumns, commands);
}
// If ReturnType is a complex type and result schema is not null, the complex type needs to be updated to be in sync with schema columns.
else if (result.ReturnType is ComplexType &&
result.Schema != null)
{
var complexType = result.ReturnType as ComplexType;
// Create Column properties dictionary. The keys will be either property's type-mapping column name if availabe or property's name.
var propertiesDictionary =
complexType.Properties().ToDictionary(p => EdmUtils.GetFunctionImportResultColumnName(functionImport, p));
CreateMatchingFunctionImportCommand.AddChangeComplexTypePropertiesCommands(
complexType, propertiesDictionary, result.Schema.RawColumns, commands);
}
// construct Dictionary mapping property name to column name for FunctionImportMapping
IDictionary <string, string> mapPropertyNameToColumnName = null;
if (result.Schema != null)
{
mapPropertyNameToColumnName =
ModelHelper.ConstructComplexTypePropertyNameToColumnNameMapping(result.Schema.Columns.Select(c => c.Name).ToList());
}
// change the FunctionImport and FunctionImportMapping to match
ChangeFunctionImportCommand cmdFuncImpSproc = null;
// if result.IsComposable is true then set to True, but if false then use None if existing value is None, otherwise False
var resultIsComposable = (result.IsComposable
? BoolOrNone.TrueValue
: (BoolOrNone.NoneValue == functionImport.IsComposable.Value
? BoolOrNone.NoneValue
: BoolOrNone.FalseValue));
if (createComplexTypeCommand == null)
{
cmdFuncImpSproc = new ChangeFunctionImportCommand(
cContainer, functionImport, result.Function, result.FunctionName, resultIsComposable, true, result.ReturnType);
// Create explicit function-import result type mapping if the return type is a complex type.
if (result.ReturnType is ComplexType)
{
cmdFuncImpSproc.PostInvokeEvent += (o, eventArgs) =>
{
if (functionImport != null &&
functionImport.FunctionImportMapping != null)
{
// CreateFunctionImportTypeMappingCommand will be no op function-import's return is unchanged.
CommandProcessor.InvokeSingleCommand(
cp.CommandProcessorContext
,
new CreateFunctionImportTypeMappingCommand(
functionImport.FunctionImportMapping, result.ReturnType as ComplexType)
{
CreateDefaultScalarProperties = true,
PropertyNameToColumnNameMap = mapPropertyNameToColumnName
});
}
};
}
}
else
{
// Pass in the pre-req command to create complex type to the command.
cmdFuncImpSproc = new ChangeFunctionImportCommand(
cContainer, functionImport, result.Function, result.FunctionName,
resultIsComposable, createComplexTypeCommand);
// Create explicit function-import result type mapping if the return type is a complex type.
cmdFuncImpSproc.PostInvokeEvent += (o, eventArgs) =>
{
if (functionImport != null &&
functionImport.FunctionImportMapping != null)
{
CommandProcessor.InvokeSingleCommand(
cp.CommandProcessorContext,
new CreateFunctionImportTypeMappingCommand(
functionImport.FunctionImportMapping, createComplexTypeCommand)
{
CreateDefaultScalarProperties = true,
PropertyNameToColumnNameMap = mapPropertyNameToColumnName
});
}
};
}
commands.Add(cmdFuncImpSproc);
commands.ForEach(x => cp.EnqueueCommand(x));
cp.Invoke();
}
}
internal override void CreateModelItem(CommandProcessorContext cpc, EditingContext context, EFElement underlyingModelItem)
{
Debug.Assert(context != null, "null context");
Debug.Assert(Function == null, "Don't call this method if we already have a ModelItem");
Debug.Assert(MappingFunctionEntityType.EntityType != null, "The parent item isn't set up correctly");
Debug.Assert(underlyingModelItem != null, "null underlyingModelItem");
var function = underlyingModelItem as Function;
Debug.Assert(
function != null, "underlyingModelItem must be of type Function, actual type = " + underlyingModelItem.GetType().FullName);
Debug.Assert(!function.EntityModel.IsCSDL, "The function must be in the SSDL");
Context = context;
// create a context if we weren't passed one
if (cpc == null)
{
cpc = new CommandProcessorContext(
Context, EfiTransactionOriginator.MappingDetailsOriginatorId, Resources.Tx_CreateFunctionMapping);
}
// create the commands
var cmd = new CreateFunctionMappingCommand(MappingFunctionEntityType.EntityType, function, null, _functionType);
// set up our post event to fix up the view model
cmd.PostInvokeEvent += (o, eventsArgs) =>
{
var mf = cmd.ModificationFunction;
Debug.Assert(mf != null, "null ModificationFunction");
// fix up our view model
ModelItem = mf;
// The parent item for the function mapping view model always has 3 children; insert, update and delete items. If there isn�t
// a function mapped for any of these, then there is still a view model item since we want to display the �creator node� text.
// Calling this.Parent.AddChild(this) here would make the parent think it had a new child instead of updating the existing one -
// so it is correct to _not_ call it here.
};
var cmd2 = new DelegateCommand(
() =>
{
var mf = ModificationFunction;
Debug.Assert(
mf != null,
"Null ModificationFunction when trying to create view-model dummy nodes in MappingModificationFunctionMapping.CreateModelItem()");
if (mf != null)
{
//set up _properties and _resultBindings here as they are dummy ViewModel nodes
// (i.e. don't correspond to any underlying ModelItem)
_properties = new MappingFunctionScalarProperties(context, mf, this);
_resultBindings = new MappingResultBindings(context, mf, this);
_properties.Parent.AddChild(_properties);
_resultBindings.Parent.AddChild(_resultBindings);
// now ensure _properties scalar properties children have been calculated
// (this creates scalar properties with just the column info
// since this ModificationFunction has not yet been mapped)
_properties.LoadScalarProperties();
// now try and do some match ups between the function and the entity
var mappedEntityType = MappingFunctionEntityType.EntityType as ConceptualEntityType;
Debug.Assert(
MappingFunctionEntityType.EntityType == null || mappedEntityType != null,
"EntityType is not ConceptualEntityType");
if (mappedEntityType != null)
{
foreach (var mfsp in _properties.ScalarProperties)
{
// Try to do some auto-matching of the sproc's parameters to the EntityType's properties.
// Search for a property in the mapped EntityType's inheritance hierarchy that matches the
// parameter's name. First search this EntityType (both its scalar and complex properties),
// then search its parents scalar and complex properties and so on up the hierarchy
var propNameToSearchFor = mfsp.StoreParameter.LocalName.Value;
var propList = new List <Property>();
var entityTypeToSearch = mappedEntityType;
// reset this back to the mapped EntityType each time through the loop
while (entityTypeToSearch != null &&
false
== ModelHelper.FindScalarPropertyPathByLocalName(
entityTypeToSearch, propNameToSearchFor, out propList))
{
if (entityTypeToSearch.BaseType == null)
{
// safety code - this should not happen but will prevent an infinite loop if it does
entityTypeToSearch = null;
}
else
{
entityTypeToSearch = entityTypeToSearch.BaseType.Target;
}
}
// if propList is still empty that means we did not find a match - so leave the parameter unmapped
if (propList.Count > 0)
{
mfsp.CreateModelItem(cpc, _context, propList);
}
}
}
}
});
try
{
// now make the change
var cp = new CommandProcessor(cpc);
cp.EnqueueCommand(cmd);
cp.EnqueueCommand(cmd2);
cp.Invoke();
}
catch
{
ModelItem = null;
ClearChildren();
throw;
}
}
internal override void CreateModelItem(CommandProcessorContext cpc, EditingContext context, EFElement underlyingModelItem)
{
Debug.Assert(context != null, "The context argument cannot be null");
Debug.Assert(StorageEntityType == null, "Don't call this method if we already have a ModelItem");
Debug.Assert(MappingConceptualEntityType.ConceptualEntityType != null, "The parent item isn't set up correctly");
Debug.Assert(underlyingModelItem != null, "The underlyingModelItem cannot be null");
var storeEntityType = underlyingModelItem as EntityType;
Debug.Assert(
storeEntityType != null,
"underlyingModelItem must be of type EntityType, actual type = " + underlyingModelItem.GetType().FullName);
Debug.Assert(storeEntityType.EntityModel.IsCSDL == false, "The storageEntityType must not be a CSDL EntityType");
Context = context;
ColumnMappings.Context = context;
// create a context if we weren't passed one
if (cpc == null)
{
cpc = new CommandProcessorContext(
Context, EfiTransactionOriginator.MappingDetailsOriginatorId, Resources.Tx_CreateMappingFragment);
}
// create the MappingFragment - if we already have a default EntityTypeMapping then just add
// the MappingFragment to that mapping, otherwise if we already have an IsTypeOf
// EntityTypeMapping then add the MappingFragment to that, otherwise create an IsTypeOf
// EntityTypeMapping and add the MappingFragment to that
var cet = MappingConceptualEntityType.ConceptualEntityType;
var defaultEtm = ModelHelper.FindEntityTypeMapping(cpc, cet, EntityTypeMappingKind.Default, false);
var etmKind = (defaultEtm == null ? EntityTypeMappingKind.IsTypeOf : EntityTypeMappingKind.Default);
var cmd = new CreateMappingFragmentCommand(cet, storeEntityType, etmKind);
// add post-invoke event to fix up our view model
cmd.PostInvokeEvent += (o, eventsArgs) =>
{
// fix up our view model
ModelItem = storeEntityType;
Parent.AddChild(this);
// assign the table to our container node as well
ColumnMappings.ModelItem = storeEntityType;
// now try and do some match ups between the entity and the table
var mappingStrategy = ModelHelper.DetermineCurrentInheritanceStrategy(cet);
var topMostBaseType = cet.ResolvableTopMostBaseType;
foreach (var child in ColumnMappings.Children)
{
var msp = child as MappingScalarProperty;
if (msp != null)
{
List <Property> properties;
if (ModelHelper.FindScalarPropertyPathByLocalName(cet, msp.ColumnName, out properties))
{
msp.CreateModelItem(cpc, _context, properties);
}
else if (InheritanceMappingStrategy.TablePerType == mappingStrategy
&&
ModelHelper.FindScalarPropertyPathByLocalName(topMostBaseType, msp.ColumnName, out properties))
{
msp.CreateModelItem(cpc, _context, properties);
}
}
}
};
try
{
// now update the model
var cp = new CommandProcessor(cpc);
cp.EnqueueCommand(cmd);
cp.Invoke();
}
catch
{
ModelItem = null;
ColumnMappings.ModelItem = null;
Parent.RemoveChild(this);
throw;
}
}
