public override void ElementAdded(ElementAddedEventArgs e)
{
base.ElementAdded(e);
Association element = (Association)e.ModelElement;
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
PluralizationService pluralizationService = ModelRoot.PluralizationService;
if (current.IsSerializing)
{
return;
}
if (string.IsNullOrEmpty(element.TargetPropertyName))
{
string rootName = element.TargetMultiplicity == Multiplicity.ZeroMany &&
pluralizationService?.IsSingular(element.Target.Name) == true
? pluralizationService.Pluralize(element.Target.Name)
: element.Target.Name;
string identifierName = rootName;
int index = 0;
while (element.Source.HasPropertyNamed(identifierName))
{
identifierName = $"{rootName}_{++index}";
}
element.TargetPropertyName = identifierName;
}
if (element is BidirectionalAssociation bidirectionalAssociation)
{
if (string.IsNullOrEmpty(bidirectionalAssociation.SourcePropertyName))
{
string rootName = element.SourceMultiplicity == Multiplicity.ZeroMany &&
pluralizationService?.IsSingular(element.Source.Name) == true
? pluralizationService.Pluralize(element.Source.Name)
: element.Source.Name;
string identifierName = rootName;
int index = 0;
while (element.Target.HasPropertyNamed(identifierName))
{
identifierName = $"{rootName}_{++index}";
}
bidirectionalAssociation.SourcePropertyName = identifierName;
}
}
AssociationChangeRules.SetEndpointRoles(element);
}
private void ProcessUnidirectionalAssociations(ParsingModels.ModelClass modelClass)
{
List<ModelUnidirectionalAssociation> unidirectionalAssociations = modelClass.UnidirectionalAssociations;
foreach (ModelUnidirectionalAssociation data in unidirectionalAssociations)
{
UnidirectionalAssociation existing = Store.Get<UnidirectionalAssociation>()
.FirstOrDefault(x => x.Target.Name == data.TargetClassName
&& x.Source.Name == data.SourceClassName
&& x.Source.Name == modelClass.Name // just to be sure
&& x.TargetPropertyName == data.TargetPropertyName);
if (existing != null)
{
if (string.IsNullOrWhiteSpace(existing.FKPropertyName) && !string.IsNullOrWhiteSpace(data.ForeignKey))
{
existing.FKPropertyName = data.ForeignKey;
existing.Source.ModelRoot.ExposeForeignKeys = true;
}
continue;
}
ModelClass source = Store.Get<ModelClass>().FirstOrDefault(c => c.FullName == data.SourceClassFullName);
ModelClass target = Store.Get<ModelClass>().FirstOrDefault(c => c.FullName == data.TargetClassFullName);
if (source == null || target == null || source.FullName != modelClass.FullName)
continue;
// ReSharper disable once UnusedVariable
UnidirectionalAssociation element = new UnidirectionalAssociation(Store,
new[]
{
new RoleAssignment(UnidirectionalAssociation.UnidirectionalSourceDomainRoleId, source),
new RoleAssignment(UnidirectionalAssociation.UnidirectionalTargetDomainRoleId, target)
},
new[]
{
new PropertyAssignment(Association.SourceMultiplicityDomainPropertyId, ConvertMultiplicity(data.SourceMultiplicity)),
new PropertyAssignment(Association.TargetMultiplicityDomainPropertyId, ConvertMultiplicity(data.TargetMultiplicity)),
new PropertyAssignment(Association.TargetPropertyNameDomainPropertyId, data.TargetPropertyName),
new PropertyAssignment(Association.TargetSummaryDomainPropertyId, data.TargetSummary),
new PropertyAssignment(Association.TargetDescriptionDomainPropertyId, data.TargetDescription),
new PropertyAssignment(Association.FKPropertyNameDomainPropertyId, data.ForeignKey),
new PropertyAssignment(Association.SourceRoleDomainPropertyId, ConvertRole(data.SourceRole)),
new PropertyAssignment(Association.TargetRoleDomainPropertyId, ConvertRole(data.TargetRole)),
});
AssociationChangeRules.SetEndpointRoles(element);
element.EnsureForeignKeyAttributes();
}
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
ModelRoot element = (ModelRoot)e.ModelElement;
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
if (current.IsSerializing)
{
return;
}
if (Equals(e.NewValue, e.OldValue))
{
return;
}
List <string> errorMessages = EFCoreValidator.GetErrors(element).ToList();
bool redraw = false;
switch (e.DomainProperty.Name)
{
case "ConnectionString":
if (e.NewValue != null)
{
element.ConnectionStringName = null;
}
break;
case "ConnectionStringName":
if (e.NewValue != null)
{
element.ConnectionString = null;
}
break;
case "DatabaseSchema":
if (string.IsNullOrEmpty((string)e.NewValue))
{
element.DatabaseSchema = "dbo";
}
break;
case "EntityFrameworkVersion":
element.EntityFrameworkPackageVersion = "Latest";
if (element.EntityFrameworkVersion == EFVersion.EFCore)
{
element.InheritanceStrategy = CodeStrategy.TablePerHierarchy;
}
break;
case "EnumOutputDirectory":
if (string.IsNullOrEmpty((string)e.NewValue) && !string.IsNullOrEmpty(element.EntityOutputDirectory))
{
element.EnumOutputDirectory = element.EntityOutputDirectory;
}
break;
case "StructOutputDirectory":
if (string.IsNullOrEmpty((string)e.NewValue) && !string.IsNullOrEmpty(element.EntityOutputDirectory))
{
element.StructOutputDirectory = element.EntityOutputDirectory;
}
break;
case "EntityOutputDirectory":
if (string.IsNullOrEmpty(element.EnumOutputDirectory) || element.EnumOutputDirectory == (string)e.OldValue)
{
element.EnumOutputDirectory = (string)e.NewValue;
}
if (string.IsNullOrEmpty(element.StructOutputDirectory) || element.StructOutputDirectory == (string)e.OldValue)
{
element.StructOutputDirectory = (string)e.NewValue;
}
break;
case "FileNameMarker":
string newFileNameMarker = (string)e.NewValue;
if (!Regex.Match($"a.{newFileNameMarker}.cs",
@"^(?!^(PRN|AUX|CLOCK\$|NUL|CON|COM\d|LPT\d|\..*)(\..+)?$)[^\x00-\x1f\\?*:\"";|/]+$")
.Success)
{
errorMessages.Add("Invalid value to make part of file name");
}
break;
case "InheritanceStrategy":
if ((element.EntityFrameworkVersion == EFVersion.EFCore) && (element.NuGetPackageVersion.MajorMinorVersionNum < 2.1))
{
element.InheritanceStrategy = CodeStrategy.TablePerHierarchy;
}
break;
case "LayoutAlgorithm":
ModelDisplay.LayoutDiagram(element.Classes.FirstOrDefault()?.GetActiveDiagram() as EFModelDiagram);
break;
case "Namespace":
errorMessages.Add(CommonRules.ValidateNamespace((string)e.NewValue, CodeGenerator.IsValidLanguageIndependentIdentifier));
break;
case "ShowCascadeDeletes":
// need these change rules to fire even though nothing in Association has changed
// so we need to set this early -- requires guarding against recursion.
bool newShowCascadeDeletes = (bool)e.NewValue;
if (element.ShowCascadeDeletes != newShowCascadeDeletes)
{
element.ShowCascadeDeletes = newShowCascadeDeletes;
foreach (Association association in store.ElementDirectory.FindElements <Association>())
{
AssociationChangeRules.UpdateDisplayForCascadeDelete(association);
}
}
redraw = true;
break;
case "ShowWarningsInDesigner":
redraw = true;
break;
case "WarnOnMissingDocumentation":
if (element.ShowWarningsInDesigner)
{
redraw = true;
}
ModelRoot.ExecuteValidator?.Invoke();
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(string.Join("\n", errorMessages));
}
if (redraw)
{
element.InvalidateDiagrams();
}
}
public override void ElementAdded(ElementAddedEventArgs e)
{
base.ElementAdded(e);
Association element = (Association)e.ModelElement;
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
PluralizationService pluralizationService = ModelRoot.PluralizationService;
if (current.IsSerializing || ModelRoot.BatchUpdating)
{
return;
}
// add unidirectional
// source can't be dependent (connection builder handles this)
// if target is dependent,
// source cardinality is 0..1
// target cardinality is 0..1
// source is principal
if (element is UnidirectionalAssociation && element.Target.IsDependentType)
{
element.TargetMultiplicity = Multiplicity.ZeroOne;
element.SourceRole = EndpointRole.Principal;
element.TargetRole = EndpointRole.Dependent;
}
// add bidirectional
// neither can be dependent (connection builder handles this)
if (string.IsNullOrEmpty(element.TargetPropertyName))
{
string rootName = element.TargetMultiplicity == Multiplicity.ZeroMany && pluralizationService?.IsSingular(element.Target.Name) == true
? pluralizationService.Pluralize(element.Target.Name)
: element.Target.Name;
string identifierName = rootName;
int index = 0;
while (element.Source.HasPropertyNamed(identifierName))
{
identifierName = $"{rootName}_{++index}";
}
element.TargetPropertyName = identifierName;
}
if (element is BidirectionalAssociation bidirectionalAssociation)
{
if (string.IsNullOrEmpty(bidirectionalAssociation.SourcePropertyName))
{
string rootName = element.SourceMultiplicity == Multiplicity.ZeroMany && pluralizationService?.IsSingular(element.Source.Name) == true
? pluralizationService.Pluralize(element.Source.Name)
: element.Source.Name;
string identifierName = rootName;
int index = 0;
while (element.Target.HasPropertyNamed(identifierName))
{
identifierName = $"{rootName}_{++index}";
}
bidirectionalAssociation.SourcePropertyName = identifierName;
}
}
AssociationChangeRules.SetEndpointRoles(element);
}
public override void ElementAdded(ElementAddedEventArgs e)
{
base.ElementAdded(e);
Association element = (Association)e.ModelElement;
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
PluralizationService pluralizationService = ModelRoot.PluralizationService;
if (current.IsSerializing)
{
return;
}
// TODO: Error if 1..N to an owned type (EFCore) or to a complex type (EF6)
if (element.TargetMultiplicity == Multiplicity.ZeroMany && element.Target.IsDependentType)
{
current.Rollback();
ErrorDisplay.Show($"Can't have a 0..* association from {element.Source.Name} to dependent type {element.Target.Name}");
return;
}
if (string.IsNullOrEmpty(element.TargetPropertyName))
{
string rootName = element.TargetMultiplicity == Multiplicity.ZeroMany &&
pluralizationService?.IsSingular(element.Target.Name) == true
? pluralizationService.Pluralize(element.Target.Name)
: element.Target.Name;
string identifierName = rootName;
int index = 0;
while (element.Source.HasPropertyNamed(identifierName))
{
identifierName = $"{rootName}_{++index}";
}
element.TargetPropertyName = identifierName;
}
if (element is BidirectionalAssociation bidirectionalAssociation)
{
if (string.IsNullOrEmpty(bidirectionalAssociation.SourcePropertyName))
{
string rootName = element.SourceMultiplicity == Multiplicity.ZeroMany &&
pluralizationService?.IsSingular(element.Source.Name) == true
? pluralizationService.Pluralize(element.Source.Name)
: element.Source.Name;
string identifierName = rootName;
int index = 0;
while (element.Target.HasPropertyNamed(identifierName))
{
identifierName = $"{rootName}_{++index}";
}
bidirectionalAssociation.SourcePropertyName = identifierName;
}
}
AssociationChangeRules.SetEndpointRoles(element);
}
protected override void OnDocumentLoaded()
{
base.OnDocumentLoaded();
if (!(RootElement is ModelRoot modelRoot))
{
return;
}
// set to the project's namespace if no namespace set
if (string.IsNullOrEmpty(modelRoot.Namespace))
{
using (Transaction tx = modelRoot.Store.TransactionManager.BeginTransaction("SetDefaultNamespace"))
{
DTE dte = Microsoft.VisualStudio.Shell.Package.GetGlobalService(typeof(DTE)) as DTE;
Project currentProject = GetActiveProject(dte);
modelRoot.Namespace = currentProject.Properties.Item("DefaultNamespace")?.Value as string;
tx.Commit();
}
}
ReadOnlyCollection <Association> associations = modelRoot.Store.ElementDirectory.FindElements <Association>();
if (associations.Any())
{
using (Transaction tx = modelRoot.Store.TransactionManager.BeginTransaction("StyleConnectors"))
{
// style association connectors if needed
foreach (Association element in associations)
{
AssociationChangeRules.UpdateDisplayForPersistence(element);
AssociationChangeRules.UpdateDisplayForCascadeDelete(element);
// for older diagrams that didn't calculate this initially
AssociationChangeRules.SetEndpointRoles(element);
}
tx.Commit();
}
}
List <GeneralizationConnector> generalizationConnectors = modelRoot.Store
.ElementDirectory
.FindElements <GeneralizationConnector>()
.Where(x => !x.FromShape.IsVisible || !x.ToShape.IsVisible)
.ToList();
List <AssociationConnector> associationConnectors = modelRoot.Store
.ElementDirectory
.FindElements <AssociationConnector>()
.Where(x => !x.FromShape.IsVisible || !x.ToShape.IsVisible)
.ToList();
if (generalizationConnectors.Any() || associationConnectors.Any())
{
using (Transaction tx = modelRoot.Store.TransactionManager.BeginTransaction("HideConnectors"))
{
// hide any connectors that may have been hidden due to hidden shapes
foreach (GeneralizationConnector connector in generalizationConnectors)
{
connector.Hide();
}
foreach (AssociationConnector connector in associationConnectors)
{
connector.Hide();
}
tx.Commit();
}
}
}