/// <summary>
/// Returns the property descriptors for the described ModelRoot domain class.
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelRoot modelRoot)
{
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, modelRoot);
//Add in extra custom properties here...
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
/// <summary>
/// Returns the property descriptors for the described ModelRoot domain class.
/// </summary>
private global::System.ComponentModel.PropertyDescriptorCollection GetCustomProperties(global::System.Attribute[] attributes)
{
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelRoot modelRoot)
{
EFCoreValidator.RemoveHiddenProperties(propertyDescriptors, modelRoot);
//Add in extra custom properties here...
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
/// <summary>
/// Returns the property descriptors for the described ModelClass domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelClass modelClass)
{
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, modelClass);
storeDomainDataDirectory = modelClass.Store.DomainDataDirectory;
//Add the descriptors for the tracking properties
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelClass
, storeDomainDataDirectory.GetDomainProperty(ModelClass.DatabaseSchemaDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelClass.IsDatabaseSchemaTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Database Schema")
, new DescriptionAttribute("The schema to use for table creation. Overrides default schema for model if present.")
, new CategoryAttribute("Database")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelClass
, storeDomainDataDirectory.GetDomainProperty(ModelClass.NamespaceDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelClass.IsNamespaceTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Namespace")
, new DescriptionAttribute("Overrides default namespace")
, new CategoryAttribute("Code Generation")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelClass
, storeDomainDataDirectory.GetDomainProperty(ModelClass.OutputDirectoryDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelClass.IsOutputDirectoryTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Output Directory")
, new DescriptionAttribute("Overrides default output directory")
, new CategoryAttribute("Code Generation")
, new TypeConverterAttribute(typeof(ProjectDirectoryTypeConverter))
}));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
/// <summary>
/// Returns the property descriptors for the described ModelAttribute domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
ModelAttribute modelAttribute = ModelElement as ModelAttribute;
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (modelAttribute != null)
{
storeDomainDataDirectory = modelAttribute.Store.DomainDataDirectory;
EFCoreValidator.RemoveHiddenProperties(propertyDescriptors, modelAttribute);
// dono't display IdentityType unless the IsIdentity is true
if (!modelAttribute.IsIdentity)
{
PropertyDescriptor identityTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "IdentityType");
propertyDescriptors.Remove(identityTypeDescriptor);
}
/********************************************************************************/
DomainPropertyInfo columnNamePropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnNameDomainPropertyId);
DomainPropertyInfo isColumnNameTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnNameTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] columnNameAttributes =
{
new DisplayNameAttribute("Column Name"),
new DescriptionAttribute("Overrides default column name"),
new CategoryAttribute("Database")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute, columnNamePropertyInfo, isColumnNameTrackingPropertyInfo, columnNameAttributes));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
/// <summary>
/// Returns the property descriptors for the described ModelEnum domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
//Add the descriptor for the tracking property.
if (ModelElement is ModelEnum modelEnum)
{
storeDomainDataDirectory = modelEnum.Store.DomainDataDirectory;
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, modelEnum);
//Add the descriptors for the tracking properties
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelEnum
, storeDomainDataDirectory.GetDomainProperty(ModelEnum.NamespaceDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelEnum.IsNamespaceTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Namespace")
, new DescriptionAttribute("Overrides default namespace")
, new CategoryAttribute("Code Generation")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelEnum
, storeDomainDataDirectory.GetDomainProperty(ModelEnum.OutputDirectoryDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelEnum.IsOutputDirectoryTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Output Directory")
, new DescriptionAttribute("Overrides default output directory")
, new CategoryAttribute("Code Generation")
, new TypeConverterAttribute(typeof(ProjectDirectoryTypeConverter))
}));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
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 ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
ModelClass element = (ModelClass)e.ModelElement;
if (element.IsDeleted)
{
return;
}
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
if (current.IsSerializing || ModelRoot.BatchUpdating)
{
return;
}
if (Equals(e.NewValue, e.OldValue))
{
return;
}
List <string> errorMessages = EFCoreValidator.GetErrors(element).ToList();
switch (e.DomainProperty.Name)
{
case "DbSetName":
{
string newDbSetName = (string)e.NewValue;
if (element.IsDependentType)
{
if (!string.IsNullOrEmpty(newDbSetName))
{
element.DbSetName = string.Empty;
}
}
else
{
if (string.IsNullOrEmpty(newDbSetName))
{
element.DbSetName = MakeDefaultName(element.Name);
}
if (current.Name.ToLowerInvariant() != "paste" &&
(string.IsNullOrWhiteSpace(newDbSetName) || !CodeGenerator.IsValidLanguageIndependentIdentifier(newDbSetName)))
{
errorMessages.Add($"DbSet name '{newDbSetName}' isn't a valid .NET identifier.");
}
else if (store.GetAll <ModelClass>()
.Except(new[] { element })
.Any(x => x.DbSetName == newDbSetName))
{
errorMessages.Add($"DbSet name '{newDbSetName}' already in use");
}
}
break;
}
case "ImplementNotify":
{
bool newImplementNotify = (bool)e.NewValue;
if (newImplementNotify)
{
List <string> nameList = element.Attributes.Where(x => x.AutoProperty).Select(x => x.Name).ToList();
if (nameList.Any())
{
string names = nameList.Count > 1
? string.Join(", ", nameList.Take(nameList.Count - 1)) + " and " + nameList.Last()
: nameList.First();
string verb = nameList.Count > 1
? "is an autoproperty"
: "are autoproperties";
WarningDisplay.Show($"{names} {verb}, so will not participate in INotifyPropertyChanged messages");
}
}
PresentationHelper.UpdateClassDisplay(element);
break;
}
case "IsAbstract":
{
bool newIsAbstract = (bool)e.NewValue;
if (newIsAbstract && element.IsDependentType)
{
errorMessages.Add($"Can't make {element.Name} abstract since it's a dependent type");
break;
}
PresentationHelper.UpdateClassDisplay(element);
break;
}
case "IsDependentType":
{
bool newIsDependentType = (bool)e.NewValue;
if (newIsDependentType)
{
if (element.IsAbstract)
{
errorMessages.Add($"Can't make {element.Name} a dependent class since it's abstract");
break;
}
// dependent type can't be source in an association
if (store.GetAll <UnidirectionalAssociation>()
.Any(a => a.Source == element))
{
errorMessages.Add($"Can't make {element.Name} a dependent class since it references other classes");
break;
}
if (store.GetAll <BidirectionalAssociation>()
.Any(a => a.Source == element || a.Target == element))
{
errorMessages.Add($"Can't make {element.Name} a dependent class since it's in a bidirectional association");
break;
}
if (store.GetAll <Association>()
.Any(a => a.Target == element && a.TargetMultiplicity == Multiplicity.ZeroMany))
{
errorMessages.Add($"Can't make {element.Name} a dependent class since it's the target of a 0..* association");
break;
}
foreach (ModelAttribute modelAttribute in element.AllAttributes.Where(a => a.IsIdentity))
{
modelAttribute.IsIdentity = false;
}
foreach (UnidirectionalAssociation association in Association.GetLinksToTargets(element).OfType <UnidirectionalAssociation>())
{
if (association.SourceMultiplicity == Multiplicity.ZeroMany)
{
association.SourceMultiplicity = Multiplicity.ZeroOne;
}
if (association.TargetMultiplicity == Multiplicity.ZeroMany)
{
association.TargetMultiplicity = Multiplicity.ZeroOne;
}
association.TargetRole = EndpointRole.Dependent;
}
element.TableName = string.Empty;
element.DbSetName = string.Empty;
}
else
{
element.DbSetName = MakeDefaultName(element.Name);
element.TableName = MakeDefaultName(element.Name);
}
PresentationHelper.UpdateClassDisplay(element);
break;
}
case "Name":
{
string newName = (string)e.NewValue;
if (current.Name.ToLowerInvariant() != "paste" &&
(string.IsNullOrWhiteSpace(newName) || !CodeGenerator.IsValidLanguageIndependentIdentifier(newName)))
{
errorMessages.Add($"Class name '{newName}' isn't a valid .NET identifier.");
}
else if (store.ElementDirectory
.AllElements
.OfType <ModelClass>()
.Except(new[] { element })
.Any(x => x.Name == newName))
{
errorMessages.Add($"Class name '{newName}' already in use by another class");
}
else if (store.ElementDirectory
.AllElements
.OfType <ModelEnum>()
.Any(x => x.Name == newName))
{
errorMessages.Add($"Class name '{newName}' already in use by an enum");
}
else if (!string.IsNullOrEmpty((string)e.OldValue))
{
string oldDefaultName = MakeDefaultName((string)e.OldValue);
string newDefaultName = MakeDefaultName(newName);
if (element.DbSetName == oldDefaultName)
{
element.DbSetName = newDefaultName;
}
if (element.TableName == oldDefaultName)
{
element.TableName = newDefaultName;
}
}
break;
}
case "Namespace":
{
string newNamespace = (string)e.NewValue;
if (current.Name.ToLowerInvariant() != "paste")
{
errorMessages.Add(CommonRules.ValidateNamespace(newNamespace, CodeGenerator.IsValidLanguageIndependentIdentifier));
}
break;
}
case "TableName":
{
string newTableName = (string)e.NewValue;
if (element.IsDependentType)
{
if (!string.IsNullOrEmpty(newTableName))
{
element.TableName = string.Empty;
}
}
else
{
if (string.IsNullOrEmpty(newTableName))
{
element.TableName = MakeDefaultName(element.Name);
}
if (store.GetAll <ModelClass>()
.Except(new[] { element })
.Any(x => x.TableName == newTableName))
{
errorMessages.Add($"Table name '{newTableName}' already in use");
}
}
break;
}
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(store, string.Join("\n", errorMessages));
}
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
Association element = (Association)e.ModelElement;
if (element.IsDeleted)
{
return;
}
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();
BidirectionalAssociation bidirectionalAssociation = element as BidirectionalAssociation;
switch (e.DomainProperty.Name)
{
case "SourceCustomAttributes":
if (bidirectionalAssociation != null && !string.IsNullOrWhiteSpace(bidirectionalAssociation.SourceCustomAttributes))
{
bidirectionalAssociation.SourceCustomAttributes = $"[{bidirectionalAssociation.SourceCustomAttributes.Trim('[', ']')}]";
CheckSourceForDisplayText(bidirectionalAssociation);
}
break;
case "SourceDisplayText":
if (bidirectionalAssociation != null)
{
CheckSourceForDisplayText(bidirectionalAssociation);
}
break;
case "SourceMultiplicity":
Multiplicity sourceMultiplicity = (Multiplicity)e.NewValue;
// change unidirectional source cardinality
// if target is dependent
// source cardinality is 0..1 or 1
if (element.Target.IsDependentType && sourceMultiplicity == Multiplicity.ZeroMany)
{
errorMessages.Add($"Can't have a 0..* association from {element.Target.Name} to dependent type {element.Source.Name}");
break;
}
if ((sourceMultiplicity == Multiplicity.One && element.TargetMultiplicity == Multiplicity.One) ||
(sourceMultiplicity == Multiplicity.ZeroOne && element.TargetMultiplicity == Multiplicity.ZeroOne))
{
if (element.SourceRole != EndpointRole.NotSet)
{
element.SourceRole = EndpointRole.NotSet;
}
if (element.TargetRole != EndpointRole.NotSet)
{
element.TargetRole = EndpointRole.NotSet;
}
}
else
{
SetEndpointRoles(element);
}
// cascade delete behavior could now be illegal. Reset to default
element.SourceDeleteAction = DeleteAction.Default;
element.TargetDeleteAction = DeleteAction.Default;
break;
case "SourcePropertyName":
string sourcePropertyNameErrorMessage = ValidateAssociationIdentifier(element, element.Target, (string)e.NewValue);
if (EFModelDiagram.IsDropping && sourcePropertyNameErrorMessage != null)
{
element.Delete();
}
else
{
errorMessages.Add(sourcePropertyNameErrorMessage);
}
break;
case "SourceRole":
if (element.Source.IsDependentType)
{
element.SourceRole = EndpointRole.Dependent;
element.TargetRole = EndpointRole.Principal;
}
else if (!SetEndpointRoles(element))
{
if (element.SourceRole == EndpointRole.Dependent && element.TargetRole != EndpointRole.Principal)
{
element.TargetRole = EndpointRole.Principal;
}
else if (element.SourceRole == EndpointRole.Principal && element.TargetRole != EndpointRole.Dependent)
{
element.TargetRole = EndpointRole.Dependent;
}
}
break;
case "TargetCustomAttributes":
if (!string.IsNullOrWhiteSpace(element.TargetCustomAttributes))
{
element.TargetCustomAttributes = $"[{element.TargetCustomAttributes.Trim('[', ']')}]";
CheckTargetForDisplayText(element);
}
break;
case "TargetDisplayText":
CheckTargetForDisplayText(element);
break;
case "TargetMultiplicity":
Multiplicity newTargetMultiplicity = (Multiplicity)e.NewValue;
// change unidirectional target cardinality
// if target is dependent
// target cardinality must be 0..1 or 1
if (element.Target.IsDependentType && newTargetMultiplicity == Multiplicity.ZeroMany)
{
errorMessages.Add($"Can't have a 0..* association from {element.Source.Name} to dependent type {element.Target.Name}");
break;
}
if ((element.SourceMultiplicity == Multiplicity.One && newTargetMultiplicity == Multiplicity.One) ||
(element.SourceMultiplicity == Multiplicity.ZeroOne && newTargetMultiplicity == Multiplicity.ZeroOne))
{
if (element.SourceRole != EndpointRole.NotSet)
{
element.SourceRole = EndpointRole.NotSet;
}
if (element.TargetRole != EndpointRole.NotSet)
{
element.TargetRole = EndpointRole.NotSet;
}
}
else
{
SetEndpointRoles(element);
}
// cascade delete behavior could now be illegal. Reset to default
element.SourceDeleteAction = DeleteAction.Default;
element.TargetDeleteAction = DeleteAction.Default;
break;
case "TargetPropertyName":
// if we're creating an association via drag/drop, it's possible the existing property name
// is the same as the default property name. The default doesn't get created until the transaction is
// committed, so the drop's action will cause a name clash. Remove the clashing property, but
// only if drag/drop.
string targetPropertyNameErrorMessage = ValidateAssociationIdentifier(element, element.Source, (string)e.NewValue);
if (EFModelDiagram.IsDropping && targetPropertyNameErrorMessage != null)
{
element.Delete();
}
else
{
errorMessages.Add(targetPropertyNameErrorMessage);
}
break;
case "TargetRole":
if (element.Target.IsDependentType)
{
element.SourceRole = EndpointRole.Principal;
element.TargetRole = EndpointRole.Dependent;
}
else if (!SetEndpointRoles(element))
{
if (element.TargetRole == EndpointRole.Dependent && element.SourceRole != EndpointRole.Principal)
{
element.SourceRole = EndpointRole.Principal;
}
else if (element.TargetRole == EndpointRole.Principal && element.SourceRole != EndpointRole.Dependent)
{
element.SourceRole = EndpointRole.Dependent;
}
}
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(string.Join("\n", errorMessages));
}
}
/// <summary>
/// Returns the property descriptors for the described ModelAttribute domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelAttribute modelAttribute)
{
storeDomainDataDirectory = modelAttribute.Store.DomainDataDirectory;
EFCoreValidator.RemoveHiddenProperties(propertyDescriptors, modelAttribute);
// No sense asking for initial values if we won't use them
if (!modelAttribute.SupportsInitialValue)
{
PropertyDescriptor initialValueTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "InitialValue");
propertyDescriptors.Remove(initialValueTypeDescriptor);
}
// don't display IdentityType unless the IsIdentity is true
if (!modelAttribute.IsIdentity)
{
PropertyDescriptor identityTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "IdentityType");
propertyDescriptors.Remove(identityTypeDescriptor);
}
// ImplementNotify implicitly defines autoproperty as false, so we don't display it
if (modelAttribute.ModelClass.ImplementNotify)
{
PropertyDescriptor autoPropertyTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "AutoProperty");
propertyDescriptors.Remove(autoPropertyTypeDescriptor);
}
/********************************************************************************/
// don't display String property modifiers unless the type is "String"
if (modelAttribute.Type != "String")
{
PropertyDescriptor minLengthTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "MinLength");
propertyDescriptors.Remove(minLengthTypeDescriptor);
PropertyDescriptor maxLengthTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "MaxLength");
propertyDescriptors.Remove(maxLengthTypeDescriptor);
PropertyDescriptor stringTypeTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "StringType");
propertyDescriptors.Remove(stringTypeTypeDescriptor);
}
/********************************************************************************/
// don't display IndexedUnique unless the Indexed is true
if (!modelAttribute.Indexed)
{
PropertyDescriptor indexedUniqueTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "IndexedUnique");
propertyDescriptors.Remove(indexedUniqueTypeDescriptor);
}
/********************************************************************************/
DomainPropertyInfo columnNamePropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnNameDomainPropertyId);
DomainPropertyInfo isColumnNameTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnNameTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] columnNameAttributes =
{
new DisplayNameAttribute("Column Name"),
new DescriptionAttribute("Overrides default column name"),
new CategoryAttribute("Database")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute, columnNamePropertyInfo, isColumnNameTrackingPropertyInfo, columnNameAttributes));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
ModelAttribute element = (ModelAttribute)e.ModelElement;
if (element.IsDeleted)
{
return;
}
ModelClass modelClass = element.ModelClass;
ModelRoot modelRoot = element.Store.ModelRoot();
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
if (current.IsSerializing || ModelRoot.BatchUpdating)
{
return;
}
if (Equals(e.NewValue, e.OldValue))
{
return;
}
List <string> errorMessages = EFCoreValidator.GetErrors(element).ToList();
switch (e.DomainProperty.Name)
{
case "AutoProperty":
{
if (element.AutoProperty)
{
element.PersistencePoint = PersistencePointType.Property;
element.ImplementNotify = false;
}
}
break;
case "IdentityType":
{
if (element.IsIdentity)
{
if (element.IdentityType == IdentityType.None)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: Identity properties must have an identity type defined");
}
}
else
{
element.IdentityType = IdentityType.None;
}
}
break;
case "ImplementNotify":
{
if (element.IsIdentity)
{
element.ImplementNotify = false;
}
if (element.ImplementNotify)
{
element.AutoProperty = false;
}
}
break;
case "Indexed":
{
if (element.IsIdentity)
{
element.Indexed = true;
}
if (element.IsConcurrencyToken)
{
element.Indexed = false;
}
if (element.Indexed)
{
element.Persistent = true;
}
}
break;
case "InitialValue":
{
string newInitialValue = (string)e.NewValue;
// if the property is an Enum and the user just typed the name of the Enum value without the Enum type name, help them out
if (element.ModelClass.ModelRoot.Enums.Any(x => x.Name == element.Type) && !newInitialValue.Contains("."))
{
newInitialValue = element.InitialValue = $"{element.Type}.{newInitialValue}";
}
if (!element.IsValidInitialValue(null, newInitialValue))
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: {newInitialValue} isn't a valid value for {element.Type}");
}
}
break;
case "IsConcurrencyToken":
{
bool newIsConcurrencyToken = (bool)e.NewValue;
if (newIsConcurrencyToken)
{
element.IsIdentity = false;
element.Persistent = true;
element.Required = true;
element.Type = "Binary";
}
}
break;
case "IsIdentity":
{
bool newIsIdentity = (bool)e.NewValue;
if (newIsIdentity)
{
if (element.ModelClass.IsDependentType)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: Can't make {element.Name} an identity because {modelClass.Name} is a dependent type and can't have an identity property.");
}
else
{
if (!modelRoot.ValidIdentityAttributeTypes.Contains(element.Type))
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: Properties of type {element.Type} can't be used as identity properties.");
}
else
{
element.IsConcurrencyToken = false;
element.Indexed = true;
element.IndexedUnique = true;
element.Persistent = true;
element.Required = true;
if (element.IdentityType == IdentityType.None)
{
element.IdentityType = IdentityType.AutoGenerated;
}
}
}
}
else
{
element.IdentityType = IdentityType.None;
}
}
break;
case "MinLength":
{
int minLengthValue = (int)e.NewValue;
if (element.Type != "String")
{
element.MinLength = 0;
}
else if (minLengthValue < 0)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: MinLength must be zero or a positive number");
}
else if (element.MaxLength > 0 && minLengthValue > element.MaxLength)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: MinLength cannot be greater than MaxLength");
}
}
break;
case "MaxLength":
{
if (element.Type != "String")
{
element.MaxLength = null;
}
else
{
int?maxLengthValue = (int?)e.NewValue;
if (maxLengthValue > 0 && element.MinLength > maxLengthValue)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: MinLength cannot be greater than MaxLength");
}
}
}
break;
case "Name":
{
string newName = (string)e.NewValue;
if (string.IsNullOrEmpty(newName))
{
errorMessages.Add("Name must be a valid .NET identifier");
}
else
{
ParseResult fragment;
try
{
fragment = ModelAttribute.Parse(modelRoot, newName);
if (fragment == null)
{
errorMessages.Add($"{modelClass.Name}: Could not parse entry '{newName}'");
}
else
{
if (string.IsNullOrEmpty(fragment.Name) || !CodeGenerator.IsValidLanguageIndependentIdentifier(fragment.Name))
{
errorMessages.Add($"{modelClass.Name}: Property name '{fragment.Name}' isn't a valid .NET identifier");
}
else if (modelClass.AllAttributes.Except(new[] { element }).Any(x => x.Name == fragment.Name))
{
errorMessages.Add($"{modelClass.Name}: Property name '{fragment.Name}' already in use");
}
else if (modelClass.AllNavigationProperties().Any(p => p.PropertyName == fragment.Name))
{
errorMessages.Add($"{modelClass.Name}: Property name '{fragment.Name}' already in use");
}
else
{
element.Name = fragment.Name;
if (fragment.Type != null)
{
element.Type = fragment.Type;
}
if (fragment.Required != null)
{
element.Required = fragment.Required.Value;
}
element.MaxLength = fragment.MaxLength;
element.MinLength = fragment.MinLength ?? 0;
if (fragment.InitialValue != null)
{
element.InitialValue = fragment.InitialValue;
}
if (fragment.IsIdentity)
{
element.IsIdentity = true; // don't reset to false if not entered as part of name
}
}
}
}
catch (Exception exception)
{
errorMessages.Add($"{modelClass.Name}: Could not parse entry '{newName}': {exception.Message}");
}
}
}
break;
case "PersistencePoint":
{
if ((PersistencePointType)e.NewValue == PersistencePointType.Field)
{
element.AutoProperty = false;
}
}
break;
case "Persistent":
{
bool newPersistent = (bool)e.NewValue;
if (!newPersistent)
{
element.IsIdentity = false;
element.Indexed = false;
element.IndexedUnique = false;
element.IdentityType = IdentityType.None;
element.IsConcurrencyToken = false;
element.Virtual = false;
}
}
break;
case "ReadOnly":
{
if (!element.Persistent || element.SetterVisibility != SetterAccessModifier.Public)
{
element.ReadOnly = false;
}
}
break;
case "Required":
{
bool newRequired = (bool)e.NewValue;
if (!newRequired)
{
if (element.IsIdentity || element.IsConcurrencyToken)
{
element.Required = true;
}
}
}
break;
case "Type":
{
string newType = (string)e.NewValue;
if (element.IsIdentity)
{
if (!modelRoot.ValidIdentityAttributeTypes.Contains(ModelAttribute.ToCLRType(newType)))
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: Properties of type {newType} can't be used as identity properties.");
}
else
{
element.Required = true;
element.Persistent = true;
}
}
if (newType != "String")
{
element.MaxLength = null;
element.MinLength = 0;
element.StringType = HTML5Type.None;
}
else
{
if (!element.IsValidInitialValue(newType))
{
element.InitialValue = null;
}
}
if (element.IsConcurrencyToken)
{
element.Type = "Binary";
}
if (!element.SupportsInitialValue)
{
element.InitialValue = null;
}
}
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(string.Join("\n", errorMessages));
}
}
/// <inheritdoc />
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
ModelAttribute element = (ModelAttribute)e.ModelElement;
if (element.IsDeleted)
{
return;
}
ModelClass modelClass = element.ModelClass;
ModelRoot modelRoot = element.Store.ModelRoot();
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
if (current.IsSerializing || ModelRoot.BatchUpdating)
{
return;
}
if (Equals(e.NewValue, e.OldValue))
{
return;
}
List <string> errorMessages = EFCoreValidator.GetErrors(element).ToList();
switch (e.DomainProperty.Name)
{
case "AutoProperty":
{
if (element.AutoProperty)
{
element.PersistencePoint = PersistencePointType.Property;
element.ImplementNotify = false;
}
}
break;
case "IdentityType":
{
if (element.IsIdentity)
{
if (element.IdentityType == IdentityType.None)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: Identity properties must have an identity type defined");
}
}
else
{
element.IdentityType = IdentityType.None;
}
foreach (Association association in element.ModelClass.LocalNavigationProperties()
.Where(nav => nav.AssociationObject.Dependent == element.ModelClass)
.Select(nav => nav.AssociationObject)
.Where(a => !string.IsNullOrWhiteSpace(a.FKPropertyName) &&
a.FKPropertyName.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Any(n => n.Trim() == element.Name)))
{
association.CheckFKAutoIdentityErrors();
}
}
break;
case "ImplementNotify":
{
if (element.IsIdentity)
{
element.ImplementNotify = false;
}
if (element.ImplementNotify)
{
element.AutoProperty = false;
}
}
break;
case "Indexed":
{
if (element.IsIdentity)
{
element.Indexed = true;
}
if (element.IsConcurrencyToken)
{
element.Indexed = false;
}
if (element.Indexed)
{
element.Persistent = true;
}
}
break;
case "InitialValue":
{
string newInitialValue = (string)e.NewValue;
if (string.IsNullOrEmpty(newInitialValue))
{
break;
}
// if the property is an Enum and the user just typed the name of the Enum value without the Enum type name, help them out
if (element.ModelClass.ModelRoot.Enums.Any(x => x.Name == element.Type) && !newInitialValue.Contains("."))
{
newInitialValue = element.InitialValue = $"{element.Type}.{newInitialValue}";
}
if (!element.IsValidInitialValue(null, newInitialValue))
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: {newInitialValue} isn't a valid value for {element.Type}");
}
}
break;
case "IsAbstract":
{
if ((bool)e.NewValue)
{
modelClass.IsAbstract = true;
}
}
break;
case "IsConcurrencyToken":
{
bool newIsConcurrencyToken = (bool)e.NewValue;
if (newIsConcurrencyToken)
{
element.IsIdentity = false;
element.Persistent = true;
element.Required = true;
element.Type = "Binary";
}
}
break;
case "IsIdentity":
{
if ((bool)e.NewValue)
{
if (element.ModelClass.IsDependentType)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: Can't make {element.Name} an identity because {modelClass.Name} is a dependent type and can't have an identity property.");
}
else
{
if (!modelRoot.ValidIdentityAttributeTypes.Contains(element.Type))
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: Properties of type {element.Type} can't be used as identity properties.");
}
else
{
element.IsConcurrencyToken = false;
element.Indexed = true;
element.IndexedUnique = true;
element.Persistent = true;
element.Required = true;
if (element.IdentityType == IdentityType.None)
{
element.IdentityType = IdentityType.AutoGenerated;
}
}
}
foreach (Association association in element.ModelClass.LocalNavigationProperties()
.Where(nav => nav.AssociationObject.Dependent == element.ModelClass)
.Select(nav => nav.AssociationObject)
.Where(a => !string.IsNullOrWhiteSpace(a.FKPropertyName) &&
a.FKPropertyName.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Any(n => n.Trim() == element.Name)))
{
association.CheckFKAutoIdentityErrors();
}
}
else
{
element.IdentityType = IdentityType.None;
}
}
break;
case "MinLength":
{
int minLengthValue = (int)e.NewValue;
if (element.Type != "String")
{
element.MinLength = 0;
}
else if (minLengthValue < 0)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: MinLength must be zero or a positive number");
}
else if (element.MaxLength > 0 && minLengthValue > element.MaxLength)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: MinLength cannot be greater than MaxLength");
}
}
break;
case "MaxLength":
{
if (element.Type != "String")
{
element.MaxLength = null;
}
else
{
int?maxLengthValue = (int?)e.NewValue;
if (maxLengthValue > 0 && element.MinLength > maxLengthValue)
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: MinLength cannot be greater than MaxLength");
}
}
}
break;
case "Name":
{
if (string.IsNullOrEmpty(element.Name) || !CodeGenerator.IsValidLanguageIndependentIdentifier(element.Name))
{
errorMessages.Add($"{modelClass.Name}: Property name '{element.Name}' isn't a valid .NET identifier");
}
if (modelClass.AllAttributes.Except(new[] { element }).Any(x => x.Name == element.Name) ||
modelClass.AllNavigationProperties().Any(p => p.PropertyName == element.Name))
{
errorMessages.Add($"{modelClass.Name}: Property name '{element.Name}' already in use");
}
}
break;
case "PersistencePoint":
{
if ((PersistencePointType)e.NewValue == PersistencePointType.Field)
{
element.AutoProperty = false;
}
}
break;
case "Persistent":
{
bool newPersistent = (bool)e.NewValue;
if (!newPersistent)
{
element.IsIdentity = false;
element.Indexed = false;
element.IndexedUnique = false;
element.IdentityType = IdentityType.None;
element.IsConcurrencyToken = false;
element.Virtual = false;
}
}
break;
case "ReadOnly":
{
if (!element.Persistent || element.SetterVisibility != SetterAccessModifier.Public)
{
element.ReadOnly = false;
}
}
break;
case "Required":
{
bool newRequired = (bool)e.NewValue;
if (!newRequired)
{
if (element.IsIdentity || element.IsConcurrencyToken)
{
element.Required = true;
}
}
}
break;
case "Type":
{
string newType = (string)e.NewValue;
if (element.IsIdentity)
{
if (!modelRoot.ValidIdentityAttributeTypes.Contains(ModelAttribute.ToCLRType(newType)))
{
errorMessages.Add($"{modelClass.Name}.{element.Name}: Properties of type {newType} can't be used as identity properties.");
}
else
{
element.Required = true;
element.Persistent = true;
}
}
if (newType != "String")
{
element.MaxLength = null;
element.MinLength = 0;
element.StringType = HTML5Type.None;
}
else
{
if (!element.IsValidInitialValue(newType))
{
element.InitialValue = null;
}
//if (!modelClass.Store.InSerializationTransaction && !element.MaxLength.HasValue)
// element.MaxLength = ModelAttribute.GetDefaultStringLength?.Invoke();
}
if (element.IsConcurrencyToken)
{
element.Type = "Binary";
}
if (!element.SupportsInitialValue)
{
element.InitialValue = null;
}
}
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(store, string.Join("\n", errorMessages));
}
}
/// <summary>
/// Returns the property descriptors for the described Association domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
//Add the descriptor for the tracking property.
if (ModelElement is Association association)
{
storeDomainDataDirectory = association.Store.DomainDataDirectory;
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, association);
// show FKPropertyName only when possible and required
if (!association.Source.ModelRoot.ExposeForeignKeys ||
(association.SourceRole != EndpointRole.Dependent && association.TargetRole != EndpointRole.Dependent))
{
propertyDescriptors.Remove("FKPropertyName");
}
// only display roles for 1..1 and 0-1..0-1 associations
if ((association.SourceMultiplicity != Multiplicity.One || association.TargetMultiplicity != Multiplicity.One) &&
(association.SourceMultiplicity != Multiplicity.ZeroOne || association.TargetMultiplicity != Multiplicity.ZeroOne))
{
propertyDescriptors.Remove("SourceRole");
propertyDescriptors.Remove("TargetRole");
}
// only display delete behavior on the principal end
if (association.SourceRole != EndpointRole.Principal)
{
propertyDescriptors.Remove("SourceDeleteAction");
}
if (association.TargetRole != EndpointRole.Principal)
{
propertyDescriptors.Remove("TargetDeleteAction");
}
// only show JoinTableName if is *..* association
if (association.SourceMultiplicity != Multiplicity.ZeroMany || association.TargetMultiplicity != Multiplicity.ZeroMany)
{
propertyDescriptors.Remove("JoinTableName");
}
/********************************************************************************/
//Add the descriptors for the tracking properties
propertyDescriptors.Add(new TrackingPropertyDescriptor(association
, storeDomainDataDirectory.GetDomainProperty(Association.CollectionClassDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(Association.IsCollectionClassTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Collection Class")
, new DescriptionAttribute("Type of collections generated. Overrides the default collection class for the model")
, new CategoryAttribute("Code Generation")
}));
if (association.TargetMultiplicity == Multiplicity.One || association.TargetMultiplicity == Multiplicity.ZeroOne)
{
propertyDescriptors.Add(new TrackingPropertyDescriptor(association
, storeDomainDataDirectory.GetDomainProperty(Association.TargetImplementNotifyDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(Association.IsTargetImplementNotifyTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Implement INotifyPropertyChanged")
, new DescriptionAttribute("Should this end participate in INotifyPropertyChanged activities? "
+ "Only valid for non-collection targets.")
, new CategoryAttribute("End 2")
}));
}
if (association is BidirectionalAssociation bidirectionalAssociation && (bidirectionalAssociation.SourceMultiplicity == Multiplicity.One ||
bidirectionalAssociation.SourceMultiplicity == Multiplicity.ZeroOne))
{
propertyDescriptors.Add(new TrackingPropertyDescriptor(bidirectionalAssociation
, storeDomainDataDirectory.GetDomainProperty(BidirectionalAssociation.SourceImplementNotifyDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(BidirectionalAssociation.IsSourceImplementNotifyTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Implement INotifyPropertyChanged")
, new DescriptionAttribute("Should this end participate in INotifyPropertyChanged activities? "
+ "Only valid for non-collection targets.")
, new CategoryAttribute("End 1")
}));
}
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
/// <summary>
/// Returns the property descriptors for the described ModelClass domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
//Add the descriptor for the tracking property.
if (ModelElement is Association association)
{
storeDomainDataDirectory = association.Store.DomainDataDirectory;
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, association);
// ImplementNotify implicitly defines autoproperty as false, so we don't display it
// Similarly, collections are autoproperty == true, so no need to display it then either
if ((association.Target.ImplementNotify || association.SourceMultiplicity == Multiplicity.ZeroMany) && association is BidirectionalAssociation)
{
PropertyDescriptor sourceAutoPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "SourceAutoProperty");
if (sourceAutoPropertyDescriptor != null)
{
propertyDescriptors.Remove(sourceAutoPropertyDescriptor);
}
}
if (association.Source.ImplementNotify || association.TargetMultiplicity == Multiplicity.ZeroMany)
{
PropertyDescriptor targetAutoPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "TargetAutoProperty");
if (targetAutoPropertyDescriptor != null)
{
propertyDescriptors.Remove(targetAutoPropertyDescriptor);
}
}
// only display roles for 1..1 and 0-1..0-1 associations
if (((association.SourceMultiplicity != Multiplicity.One || association.TargetMultiplicity != Multiplicity.One) &&
(association.SourceMultiplicity != Multiplicity.ZeroOne || association.TargetMultiplicity != Multiplicity.ZeroOne)))
{
PropertyDescriptor sourceRolePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "SourceRole");
if (sourceRolePropertyDescriptor != null)
{
propertyDescriptors.Remove(sourceRolePropertyDescriptor);
}
PropertyDescriptor targetRolePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "TargetRole");
if (targetRolePropertyDescriptor != null)
{
propertyDescriptors.Remove(targetRolePropertyDescriptor);
}
}
// only display delete behavior on the principal end
if (association.SourceRole != EndpointRole.Principal)
{
PropertyDescriptor sourceDeleteActionPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "SourceDeleteAction");
if (sourceDeleteActionPropertyDescriptor != null)
{
propertyDescriptors.Remove(sourceDeleteActionPropertyDescriptor);
}
}
if (association.TargetRole != EndpointRole.Principal)
{
PropertyDescriptor targetDeleteActionPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "TargetDeleteAction");
if (targetDeleteActionPropertyDescriptor != null)
{
propertyDescriptors.Remove(targetDeleteActionPropertyDescriptor);
}
}
/********************************************************************************/
DomainPropertyInfo collectionClassPropertyInfo = storeDomainDataDirectory.GetDomainProperty(Association.CollectionClassDomainPropertyId);
DomainPropertyInfo isCollectionClassTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(Association.IsCollectionClassTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] collectionClassAttributes =
{
new DisplayNameAttribute("Collection Class"),
new DescriptionAttribute("Type of collections generated. Overrides the default collection class for the model"),
new CategoryAttribute("Code Generation")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(association, collectionClassPropertyInfo, isCollectionClassTrackingPropertyInfo, collectionClassAttributes));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
ModelClass element = (ModelClass)e.ModelElement;
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
if (current.IsSerializing)
{
return;
}
List <string> errorMessages = EFCoreValidator.GetErrors(element).ToList();
switch (e.DomainProperty.Name)
{
case "IsAbstract":
bool newIsAbstract = (bool)e.NewValue;
foreach (ClassShape classShape in PresentationViewsSubject.GetPresentation(element).OfType <ClassShape>())
{
if (newIsAbstract)
{
classShape.OutlineColor = Color.OrangeRed;
classShape.OutlineThickness = 0.02f;
classShape.OutlineDashStyle = element.ImplementNotify ? DashStyle.Dot : DashStyle.Dash;
}
else if (element.ImplementNotify)
{
classShape.OutlineColor = Color.CornflowerBlue;
classShape.OutlineThickness = 0.02f;
classShape.OutlineDashStyle = DashStyle.Dot;
}
else
{
classShape.OutlineColor = Color.Black;
classShape.OutlineThickness = 0.01f;
classShape.OutlineDashStyle = DashStyle.Solid;
}
}
break;
case "ImplementNotify":
bool newImplementNotify = (bool)e.NewValue;
if (!element.IsAbstract) // IsAbstract takes precedence
{
foreach (ClassShape classShape in PresentationViewsSubject.GetPresentation(element).OfType <ClassShape>())
{
if (newImplementNotify)
{
classShape.OutlineColor = Color.CornflowerBlue;
classShape.OutlineThickness = 0.02f;
classShape.OutlineDashStyle = DashStyle.Dot;
}
else
{
classShape.OutlineColor = Color.Black;
classShape.OutlineThickness = 0.01f;
classShape.OutlineDashStyle = DashStyle.Solid;
}
}
}
break;
case "TableName":
string newTableName = (string)e.NewValue;
if (string.IsNullOrEmpty(newTableName))
{
element.TableName = MakeDefaultName(element.Name);
}
if (store.ElementDirectory
.AllElements
.OfType <ModelClass>()
.Except(new[] { element })
.Any(x => x.TableName == newTableName))
{
errorMessages.Add($"Table name '{newTableName}' already in use");
}
break;
case "DbSetName":
string newDbSetName = (string)e.NewValue;
if (string.IsNullOrEmpty(newDbSetName))
{
element.DbSetName = MakeDefaultName(element.Name);
}
if (current.Name.ToLowerInvariant() != "paste" &&
(string.IsNullOrWhiteSpace(newDbSetName) || !CodeGenerator.IsValidLanguageIndependentIdentifier(newDbSetName)))
{
errorMessages.Add("DbSet name must be a valid .NET identifier");
}
else if (store.ElementDirectory
.AllElements
.OfType <ModelClass>()
.Except(new[] { element })
.Any(x => x.DbSetName == newDbSetName))
{
errorMessages.Add($"DbSet name '{newDbSetName}' already in use");
}
break;
case "Name":
string newName = (string)e.NewValue;
if (current.Name.ToLowerInvariant() != "paste" &&
(string.IsNullOrWhiteSpace(newName) || !CodeGenerator.IsValidLanguageIndependentIdentifier(newName)))
{
errorMessages.Add("Name must be a valid .NET identifier");
}
else if (store.ElementDirectory
.AllElements
.OfType <ModelClass>()
.Except(new[] { element })
.Any(x => x.Name == newName))
{
errorMessages.Add($"Class name '{newName}' already in use by another class");
}
else if (store.ElementDirectory
.AllElements
.OfType <ModelEnum>()
.Any(x => x.Name == newName))
{
errorMessages.Add($"Class name '{newName}' already in use by an enum");
}
else if (!string.IsNullOrEmpty((string)e.OldValue))
{
string oldDefaultName = MakeDefaultName((string)e.OldValue);
string newDefaultName = MakeDefaultName(newName);
if (element.DbSetName == oldDefaultName)
{
element.DbSetName = newDefaultName;
}
if (element.TableName == oldDefaultName)
{
element.TableName = newDefaultName;
}
}
break;
case "Namespace":
string newNamespace = (string)e.NewValue;
if (current.Name.ToLowerInvariant() != "paste")
{
errorMessages.Add(CommonRules.ValidateNamespace(newNamespace, CodeGenerator.IsValidLanguageIndependentIdentifier));
}
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
MessageBox.Show(string.Join("; ", errorMessages));
}
}
/// <summary>
/// Returns the property descriptors for the described ModelClass domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelClass modelClass)
{
EFCoreValidator.RemoveHiddenProperties(propertyDescriptors, modelClass);
storeDomainDataDirectory = modelClass.Store.DomainDataDirectory;
//Add the descriptors for the tracking properties
/********************************************************************************/
DomainPropertyInfo databaseSchemaPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelClass.DatabaseSchemaDomainPropertyId);
DomainPropertyInfo isDatabaseSchemaTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelClass.IsDatabaseSchemaTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] databaseSchemaAttributes =
{
new DisplayNameAttribute("Database Schema"),
new DescriptionAttribute("The schema to use for table creation. Overrides default schema for model if present."),
new CategoryAttribute("Database")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelClass, databaseSchemaPropertyInfo, isDatabaseSchemaTrackingPropertyInfo, databaseSchemaAttributes));
/********************************************************************************/
DomainPropertyInfo namespacePropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelClass.NamespaceDomainPropertyId);
DomainPropertyInfo isNamespaceTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelClass.IsNamespaceTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] namespaceAttributes =
{
new DisplayNameAttribute("Namespace"),
new DescriptionAttribute("Overrides default namespace"),
new CategoryAttribute("Code Generation")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelClass, namespacePropertyInfo, isNamespaceTrackingPropertyInfo, namespaceAttributes));
/********************************************************************************/
DomainPropertyInfo outputDirectoryPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelClass.OutputDirectoryDomainPropertyId);
DomainPropertyInfo isOutputDirectoryTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelClass.IsOutputDirectoryTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] outputDirectoryAttributes =
{
new DisplayNameAttribute("Output Directory"),
new DescriptionAttribute("Overrides default output directory"),
new CategoryAttribute("Code Generation"),
new TypeConverterAttribute(typeof(ProjectDirectoryTypeConverter))
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelClass, outputDirectoryPropertyInfo, isOutputDirectoryTrackingPropertyInfo, outputDirectoryAttributes));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
Association element = (Association)e.ModelElement;
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
ModelRoot modelRoot = store.ElementDirectory.FindElements <ModelRoot>().FirstOrDefault();
if (current.IsSerializing)
{
return;
}
List <string> errorMessages = EFCoreValidator.GetErrors(element).ToList();
switch (e.DomainProperty.Name)
{
case "Persistent":
UpdateDisplayForPersistence(element);
break;
case "TargetPropertyName":
errorMessages.Add(ValidateAssociationIdentifier(element, element.Source, element.Target, (string)e.NewValue));
break;
case "SourcePropertyName":
errorMessages.Add(ValidateAssociationIdentifier(element, element.Target, element.Source, (string)e.NewValue));
break;
case "SourceMultiplicity":
Multiplicity newSourceMultiplicity = (Multiplicity)e.NewValue;
if ((newSourceMultiplicity == Multiplicity.One && element.TargetMultiplicity == Multiplicity.One) ||
(newSourceMultiplicity == Multiplicity.ZeroOne && element.TargetMultiplicity == Multiplicity.ZeroOne))
{
element.SourceRole = EndpointRole.NotSet;
element.TargetRole = EndpointRole.NotSet;
}
else
{
SetEndpointRoles(element);
}
UpdateDisplayForCascadeDelete(element, null, null, newSourceMultiplicity);
break;
case "TargetMultiplicity":
Multiplicity newTargetMultiplicity = (Multiplicity)e.NewValue;
if ((element.SourceMultiplicity == Multiplicity.One && newTargetMultiplicity == Multiplicity.One) ||
(element.SourceMultiplicity == Multiplicity.ZeroOne && newTargetMultiplicity == Multiplicity.ZeroOne))
{
element.SourceRole = EndpointRole.NotSet;
element.TargetRole = EndpointRole.NotSet;
}
else
{
SetEndpointRoles(element);
}
UpdateDisplayForCascadeDelete(element, null, null, null, newTargetMultiplicity);
break;
case "SourceRole":
EndpointRole newSourceRole = (EndpointRole)e.NewValue;
if (element.TargetRole == EndpointRole.NotSet && newSourceRole == EndpointRole.Dependent)
{
element.TargetRole = EndpointRole.Principal;
}
else if (element.TargetRole == EndpointRole.NotSet && newSourceRole == EndpointRole.Principal)
{
element.TargetRole = EndpointRole.Dependent;
}
break;
case "TargetRole":
EndpointRole newTargetRole = (EndpointRole)e.NewValue;
if (element.SourceRole == EndpointRole.NotSet && newTargetRole == EndpointRole.Dependent)
{
element.SourceRole = EndpointRole.Principal;
}
else if (element.SourceRole == EndpointRole.NotSet && newTargetRole == EndpointRole.Principal)
{
element.SourceRole = EndpointRole.Dependent;
}
break;
case "SourceDeleteAction":
DeleteAction sourceDeleteAction = (DeleteAction)e.NewValue;
UpdateDisplayForCascadeDelete(element, sourceDeleteAction);
break;
case "TargetDeleteAction":
DeleteAction targetDeleteAction = (DeleteAction)e.NewValue;
UpdateDisplayForCascadeDelete(element, null, targetDeleteAction);
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
MessageBox.Show(string.Join("; ", errorMessages));
}
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
Association element = (Association)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();
switch (e.DomainProperty.Name)
{
case "Persistent":
UpdateDisplayForPersistence(element);
break;
case "SourceDeleteAction":
DeleteAction sourceDeleteAction = (DeleteAction)e.NewValue;
UpdateDisplayForCascadeDelete(element, sourceDeleteAction);
break;
case "SourceMultiplicity":
Multiplicity newSourceMultiplicity = (Multiplicity)e.NewValue;
if (element.Target.IsDependentType && !element.Source.IsDependentType && newSourceMultiplicity == Multiplicity.ZeroMany)
{
errorMessages.Add($"Can't have a 0..* association from {element.Source.Name} to dependent type {element.Target.Name}");
break;
}
if ((newSourceMultiplicity == Multiplicity.One && element.TargetMultiplicity == Multiplicity.One) ||
(newSourceMultiplicity == Multiplicity.ZeroOne && element.TargetMultiplicity == Multiplicity.ZeroOne))
{
element.SourceRole = EndpointRole.NotSet;
element.TargetRole = EndpointRole.NotSet;
}
else
{
SetEndpointRoles(element);
}
UpdateDisplayForCascadeDelete(element, null, null, newSourceMultiplicity);
break;
case "SourcePropertyName":
string sourcePropertyNameErrorMessage = ValidateAssociationIdentifier(element, element.Target, (string)e.NewValue);
if (EFModelDiagram.IsDropping && sourcePropertyNameErrorMessage != null)
{
element.Delete();
}
else
{
errorMessages.Add(sourcePropertyNameErrorMessage);
}
break;
case "SourceRole":
EndpointRole newSourceRole = (EndpointRole)e.NewValue;
if (element.TargetRole == EndpointRole.NotSet && newSourceRole == EndpointRole.Dependent)
{
element.TargetRole = EndpointRole.Principal;
}
else if (element.TargetRole == EndpointRole.NotSet && newSourceRole == EndpointRole.Principal)
{
element.TargetRole = EndpointRole.Dependent;
}
break;
case "TargetDeleteAction":
DeleteAction targetDeleteAction = (DeleteAction)e.NewValue;
UpdateDisplayForCascadeDelete(element, null, targetDeleteAction);
break;
case "TargetMultiplicity":
Multiplicity newTargetMultiplicity = (Multiplicity)e.NewValue;
if (element.Source.IsDependentType && !element.Target.IsDependentType && newTargetMultiplicity == Multiplicity.ZeroMany)
{
errorMessages.Add($"Can't have a 0..* association from {element.Target.Name} to dependent type {element.Source.Name}");
break;
}
if ((element.SourceMultiplicity == Multiplicity.One && newTargetMultiplicity == Multiplicity.One) ||
(element.SourceMultiplicity == Multiplicity.ZeroOne && newTargetMultiplicity == Multiplicity.ZeroOne))
{
element.SourceRole = EndpointRole.NotSet;
element.TargetRole = EndpointRole.NotSet;
}
else
{
SetEndpointRoles(element);
}
UpdateDisplayForCascadeDelete(element, null, null, null, newTargetMultiplicity);
break;
case "TargetPropertyName":
// if we're creating an association via drag/drop, it's possible the existing property name
// is the same as the default property name. The default doesn't get created until the transaction is
// committed, so the drop's action will cause a name clash. Remove the clashing property, but
// only if drag/drop.
string targetPropertyNameErrorMessage = ValidateAssociationIdentifier(element, element.Source, (string)e.NewValue);
if (EFModelDiagram.IsDropping && targetPropertyNameErrorMessage != null)
{
element.Delete();
}
else
{
errorMessages.Add(targetPropertyNameErrorMessage);
}
break;
case "TargetRole":
EndpointRole newTargetRole = (EndpointRole)e.NewValue;
if (element.SourceRole == EndpointRole.NotSet && newTargetRole == EndpointRole.Dependent)
{
element.SourceRole = EndpointRole.Principal;
}
else if (element.SourceRole == EndpointRole.NotSet && newTargetRole == EndpointRole.Principal)
{
element.SourceRole = EndpointRole.Dependent;
}
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(string.Join("; ", errorMessages));
}
}
/// <summary>
/// Returns the property descriptors for the described ModelAttribute domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelAttribute modelAttribute)
{
storeDomainDataDirectory = modelAttribute.Store.DomainDataDirectory;
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, modelAttribute);
// No sense asking for initial values if we won't use them
if (!modelAttribute.SupportsInitialValue)
{
PropertyDescriptor initialValuePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "InitialValue");
if (initialValuePropertyDescriptor != null)
{
propertyDescriptors.Remove(initialValuePropertyDescriptor);
}
}
// don't display IdentityType unless the IsIdentity is true
if (!modelAttribute.IsIdentity)
{
PropertyDescriptor identityPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "IdentityType");
if (identityPropertyDescriptor != null)
{
propertyDescriptors.Remove(identityPropertyDescriptor);
}
}
// ImplementNotify implicitly defines autoproperty as false, so we don't display it
if (modelAttribute.ModelClass.ImplementNotify)
{
PropertyDescriptor autoPropertyPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "AutoProperty");
if (autoPropertyPropertyDescriptor != null)
{
propertyDescriptors.Remove(autoPropertyPropertyDescriptor);
}
}
// don't need a persistence point type if it's not persistent
if (!modelAttribute.Persistent)
{
PropertyDescriptor persistencePointPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "PersistencePoint");
if (persistencePointPropertyDescriptor != null)
{
propertyDescriptors.Remove(persistencePointPropertyDescriptor);
}
}
/********************************************************************************/
// don't display String property modifiers unless the type is "String"
if (modelAttribute.Type != "String")
{
PropertyDescriptor minLengthPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "MinLength");
if (minLengthPropertyDescriptor != null)
{
propertyDescriptors.Remove(minLengthPropertyDescriptor);
}
PropertyDescriptor maxLengthPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "MaxLength");
if (maxLengthPropertyDescriptor != null)
{
propertyDescriptors.Remove(maxLengthPropertyDescriptor);
}
PropertyDescriptor stringTypePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "StringType");
if (stringTypePropertyDescriptor != null)
{
propertyDescriptors.Remove(stringTypePropertyDescriptor);
}
}
/********************************************************************************/
// don't display IndexedUnique unless the Indexed is true
if (!modelAttribute.Indexed)
{
PropertyDescriptor indexedUniquePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "IndexedUnique");
if (indexedUniquePropertyDescriptor != null)
{
propertyDescriptors.Remove(indexedUniquePropertyDescriptor);
}
}
/********************************************************************************/
//Add the descriptors for the tracking properties
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnNameDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnNameTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Column Name")
, new DescriptionAttribute("Overrides default column name")
, new CategoryAttribute("Database")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnTypeDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnTypeTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Column Type")
, new DescriptionAttribute("Overrides default column type")
, new CategoryAttribute("Database")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.AutoPropertyDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsAutoPropertyTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("AutoProperty")
, new DescriptionAttribute("Overrides default autoproperty setting")
, new CategoryAttribute("Code Generation")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ImplementNotifyDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsImplementNotifyTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Implement INotifyPropertyChanged")
, new DescriptionAttribute("Should this attribute implement INotifyPropertyChanged?")
, new CategoryAttribute("Code Generation")
}));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
/// <summary>
/// Returns the property descriptors for the described ModelAttribute domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelAttribute modelAttribute)
{
storeDomainDataDirectory = modelAttribute.Store.DomainDataDirectory;
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, modelAttribute);
// No sense asking for initial values if we won't use them
if (!modelAttribute.SupportsInitialValue)
{
propertyDescriptors.Remove("InitialValue");
}
// don't display IdentityType if IsIdentity is false
if (!modelAttribute.IsIdentity)
{
propertyDescriptors.Remove("IdentityType");
}
// if IsIdentity is true, since we don't encourage changing identity properties (!), don't show the implement notify switch
if (modelAttribute.IsIdentity)
{
propertyDescriptors.Remove("ImplementNotify");
}
// don't display SetterVisibility if IsIdentity is true and automatically generated
if (modelAttribute.IsIdentity && modelAttribute.IdentityType == IdentityType.AutoGenerated)
{
propertyDescriptors.Remove("SetterVisibility");
}
// ImplementNotify implicitly defines autoproperty as false, so we don't display it
if (modelAttribute.ImplementNotify)
{
propertyDescriptors.Remove("AutoProperty");
}
// this is about to be removed
propertyDescriptors.Remove("PersistencePoint");
// don't display String property modifiers unless the type is "String"
if (modelAttribute.Type != "String")
{
propertyDescriptors.Remove("MinLength");
propertyDescriptors.Remove("MaxLength");
propertyDescriptors.Remove("StringType");
}
// don't display IndexedUnique unless the Indexed is true
if (!modelAttribute.Indexed)
{
propertyDescriptors.Remove("IndexedUnique");
}
// don't display BackingField unless AutoProperty is false
if (modelAttribute.AutoProperty)
{
propertyDescriptors.Remove("BackingFieldName");
}
/********************************************************************************/
//Add the descriptors for the tracking properties
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnNameDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnNameTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Column Name")
, new DescriptionAttribute("Overrides default column name")
, new CategoryAttribute("Database")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnTypeDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnTypeTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Column Type")
, new DescriptionAttribute("Overrides default column type")
, new CategoryAttribute("Database")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.AutoPropertyDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsAutoPropertyTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("AutoProperty")
, new DescriptionAttribute("Overrides default autoproperty setting")
, new CategoryAttribute("Code Generation")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ImplementNotifyDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsImplementNotifyTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Implement INotifyPropertyChanged")
, new DescriptionAttribute("Should this attribute implement INotifyPropertyChanged?")
, new CategoryAttribute("Code Generation")
}));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
ModelClass element = (ModelClass)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();
switch (e.DomainProperty.Name)
{
case "IsDependentType":
bool newIsStruct = (bool)e.NewValue;
if (newIsStruct)
{
List <Association> associations = store.ElementDirectory
.AllElements
.OfType <Association>()
.Where(a => (a.Source == element && a.SourceMultiplicity == Multiplicity.ZeroMany) ||
(a.Target == element && a.TargetMultiplicity == Multiplicity.ZeroMany))
.ToList();
if (associations.Any())
{
List <string> classNameList = associations.Select(a => a.Target.Name).ToList();
if (classNameList.Count > 1)
{
classNameList[classNameList.Count - 1] = "and " + classNameList[classNameList.Count - 1];
}
string classNames = string.Join(", ", classNameList);
errorMessages.Add($"Can't have a 0..* association to a dependent type. Found 0..* link(s) with {classNames}");
break;
}
foreach (ModelAttribute modelAttribute in element.AllAttributes.Where(a => a.IsIdentity))
{
modelAttribute.IsIdentity = false;
}
}
break;
case "IsAbstract":
bool newIsAbstract = (bool)e.NewValue;
foreach (ClassShape classShape in PresentationViewsSubject.GetPresentation(element).OfType <ClassShape>())
{
if (newIsAbstract)
{
classShape.OutlineColor = Color.OrangeRed;
classShape.OutlineThickness = 0.02f;
classShape.OutlineDashStyle = element.ImplementNotify ? DashStyle.Dot : DashStyle.Dash;
}
else if (element.ImplementNotify)
{
classShape.OutlineColor = Color.CornflowerBlue;
classShape.OutlineThickness = 0.02f;
classShape.OutlineDashStyle = DashStyle.Dot;
}
else
{
classShape.OutlineColor = Color.Black;
classShape.OutlineThickness = 0.01f;
classShape.OutlineDashStyle = DashStyle.Solid;
}
}
break;
case "ImplementNotify":
bool newImplementNotify = (bool)e.NewValue;
if (!element.IsAbstract) // IsAbstract takes precedence
{
foreach (ClassShape classShape in PresentationViewsSubject.GetPresentation(element).OfType <ClassShape>())
{
if (newImplementNotify)
{
classShape.OutlineColor = Color.CornflowerBlue;
classShape.OutlineThickness = 0.02f;
classShape.OutlineDashStyle = DashStyle.Dot;
}
else
{
classShape.OutlineColor = Color.Black;
classShape.OutlineThickness = 0.01f;
classShape.OutlineDashStyle = DashStyle.Solid;
}
}
}
if (element.ImplementNotify)
{
foreach (ModelAttribute modelAttribute in element.Attributes.Where(x => x.AutoProperty))
{
WarningDisplay.Show($"{modelAttribute.Name} is an autoproperty, so will not participate in INotifyPropertyChanged messages");
}
}
break;
case "TableName":
string newTableName = (string)e.NewValue;
if (string.IsNullOrEmpty(newTableName))
{
element.TableName = MakeDefaultName(element.Name);
}
if (store.ElementDirectory
.AllElements
.OfType <ModelClass>()
.Except(new[] { element })
.Any(x => x.TableName == newTableName))
{
errorMessages.Add($"Table name '{newTableName}' already in use");
}
break;
case "DbSetName":
string newDbSetName = (string)e.NewValue;
if (string.IsNullOrEmpty(newDbSetName))
{
element.DbSetName = MakeDefaultName(element.Name);
}
if (current.Name.ToLowerInvariant() != "paste" &&
(string.IsNullOrWhiteSpace(newDbSetName) || !CodeGenerator.IsValidLanguageIndependentIdentifier(newDbSetName)))
{
errorMessages.Add($"DbSet name '{newDbSetName}' isn't a valid .NET identifier.");
}
else if (store.ElementDirectory
.AllElements
.OfType <ModelClass>()
.Except(new[] { element })
.Any(x => x.DbSetName == newDbSetName))
{
errorMessages.Add($"DbSet name '{newDbSetName}' already in use");
}
break;
case "Name":
string newName = (string)e.NewValue;
if (current.Name.ToLowerInvariant() != "paste" &&
(string.IsNullOrWhiteSpace(newName) || !CodeGenerator.IsValidLanguageIndependentIdentifier(newName)))
{
errorMessages.Add($"Class name '{newName}' isn't a valid .NET identifier.");
}
else if (store.ElementDirectory
.AllElements
.OfType <ModelClass>()
.Except(new[] { element })
.Any(x => x.Name == newName))
{
errorMessages.Add($"Class name '{newName}' already in use by another class");
}
else if (store.ElementDirectory
.AllElements
.OfType <ModelEnum>()
.Any(x => x.Name == newName))
{
errorMessages.Add($"Class name '{newName}' already in use by an enum");
}
else if (!string.IsNullOrEmpty((string)e.OldValue))
{
string oldDefaultName = MakeDefaultName((string)e.OldValue);
string newDefaultName = MakeDefaultName(newName);
if (element.DbSetName == oldDefaultName)
{
element.DbSetName = newDefaultName;
}
if (element.TableName == oldDefaultName)
{
element.TableName = newDefaultName;
}
}
break;
case "Namespace":
string newNamespace = (string)e.NewValue;
if (current.Name.ToLowerInvariant() != "paste")
{
errorMessages.Add(CommonRules.ValidateNamespace(newNamespace, CodeGenerator.IsValidLanguageIndependentIdentifier));
}
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(string.Join("; ", errorMessages));
}
}
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 || ModelRoot.BatchUpdating)
{
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 "EntityFrameworkVersion":
element.EntityFrameworkPackageVersion = "Latest";
if (element.EntityFrameworkVersion == EFVersion.EFCore)
{
element.InheritanceStrategy = CodeStrategy.TablePerHierarchy;
}
if (element.EntityFrameworkVersion == EFVersion.EF6)
{
List <Association> associations = store.ElementDirectory
.AllElements
.OfType <Association>()
.Where(a => !string.IsNullOrEmpty(a.FKPropertyName) && a.SourceMultiplicity != Multiplicity.ZeroMany && a.TargetMultiplicity != Multiplicity.ZeroMany)
.ToList();
string message = $"This will remove declared foreign key properties from {associations.Count} association{(associations.Count == 1 ? "" : "s")}. Are you sure?";
if (associations.Any() && BooleanQuestionDisplay.Show(store, message) == true)
{
foreach (Association association in associations)
{
association.FKPropertyName = null;
AssociationChangedRules.FixupForeignKeys(association);
}
}
}
ModelRoot.ExecuteValidator?.Invoke();
break;
case "EntityOutputDirectory":
if (string.IsNullOrEmpty(element.EnumOutputDirectory) || element.EnumOutputDirectory == (string)e.OldValue)
{
element.EnumOutputDirectory = (string)e.NewValue;
}
if (string.IsNullOrEmpty(element.StructOutputDirectory) || element.StructOutputDirectory == (string)e.OldValue)
{
element.StructOutputDirectory = (string)e.NewValue;
}
break;
case "EnumOutputDirectory":
if (string.IsNullOrEmpty((string)e.NewValue) && !string.IsNullOrEmpty(element.EntityOutputDirectory))
{
element.EnumOutputDirectory = element.EntityOutputDirectory;
}
break;
case "ExposeForeignKeys":
if (!element.ExposeForeignKeys)
{
foreach (Association association in element.Store.GetAll <Association>()
.Where(a => (a.SourceRole == EndpointRole.Dependent || a.TargetRole == EndpointRole.Dependent) &&
!string.IsNullOrWhiteSpace(a.FKPropertyName)))
{
association.FKPropertyName = null;
AssociationChangedRules.FixupForeignKeys(association);
}
}
break;
case "FileNameMarker":
string newFileNameMarker = (string)e.NewValue;
if (!Regex.Match($"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 "GridColor":
foreach (EFModelDiagram diagram in element.GetDiagrams())
{
diagram.GridColor = (Color)e.NewValue;
}
redraw = true;
break;
case "InheritanceStrategy":
if ((element.EntityFrameworkVersion == EFVersion.EFCore) && (element.NuGetPackageVersion.MajorMinorVersionNum < 2.1))
{
element.InheritanceStrategy = CodeStrategy.TablePerHierarchy;
}
break;
case "Namespace":
errorMessages.Add(CommonRules.ValidateNamespace((string)e.NewValue, CodeGenerator.IsValidLanguageIndependentIdentifier));
break;
case "ShowCascadeDeletes":
// Normally you'd think that we should be able to register this in a AssociateValueWith call
// in AssociationConnector, but that doesn't appear to work. So call the update method here.
foreach (Association association in store.ElementDirectory.FindElements <Association>())
{
PresentationHelper.UpdateAssociationDisplay(association);
}
redraw = true;
break;
case "ShowGrid":
foreach (EFModelDiagram diagram in element.GetDiagrams())
{
diagram.ShowGrid = (bool)e.NewValue;
}
redraw = true;
break;
case "ShowWarningsInDesigner":
redraw = true;
if ((bool)e.NewValue)
{
ModelRoot.ExecuteValidator?.Invoke();
}
break;
case "SnapToGrid":
foreach (EFModelDiagram diagram in element.GetDiagrams())
{
diagram.SnapToGrid = (bool)e.NewValue;
}
redraw = true;
break;
case "StructOutputDirectory":
if (string.IsNullOrEmpty((string)e.NewValue) && !string.IsNullOrEmpty(element.EntityOutputDirectory))
{
element.StructOutputDirectory = element.EntityOutputDirectory;
}
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(store, string.Join("\n", errorMessages));
}
if (redraw)
{
foreach (EFModelDiagram diagram in element.GetDiagrams().Where(d => d.ActiveDiagramView != null))
{
diagram.Invalidate(true);
}
}
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
Association element = (Association)e.ModelElement;
if (element.IsDeleted)
{
return;
}
Store store = element.Store;
Transaction current = store.TransactionManager.CurrentTransaction;
if (current.IsSerializing || ModelRoot.BatchUpdating)
{
return;
}
if (Equals(e.NewValue, e.OldValue))
{
return;
}
List <string> errorMessages = EFCoreValidator.GetErrors(element).ToList();
BidirectionalAssociation bidirectionalAssociation = element as BidirectionalAssociation;
switch (e.DomainProperty.Name)
{
case "FKPropertyName":
{
string fkPropertyName = e.NewValue?.ToString();
bool fkPropertyError = false;
// these can be multiples, separated by a comma
string[] priorForeignKeyPropertyNames = e.OldValue?.ToString().Split(',').Select(n => n.Trim()).ToArray() ?? new string[0];
IEnumerable <ModelAttribute> priorForeignKeyModelAttributes = string.IsNullOrEmpty(e.OldValue?.ToString())
? Array.Empty <ModelAttribute>()
: priorForeignKeyPropertyNames.Select(oldValue => element.Dependent.Attributes.FirstOrDefault(a => a.Name == oldValue))
.ToArray();
if (!string.IsNullOrEmpty(fkPropertyName))
{
string tag = $"({element.Source.Name}:{element.Target.Name})";
if (element.Dependent == null)
{
errorMessages.Add($"{tag} can't have foreign keys defined; no dependent role found");
break;
}
string[] foreignKeyPropertyNames = element.GetForeignKeyPropertyNames();
int propertyCount = foreignKeyPropertyNames.Length;
int identityCount = element.Principal.AllIdentityAttributes.Count();
if (propertyCount != identityCount)
{
errorMessages.Add($"{tag} foreign key must have zero or {identityCount} {(identityCount == 1 ? "property" : "properties")} defined, since "
+ $"{element.Principal.Name} has {identityCount} identity properties; found {propertyCount} instead");
fkPropertyError = true;
}
// validate names
foreach (string propertyName in foreignKeyPropertyNames)
{
if (!CodeGenerator.IsValidLanguageIndependentIdentifier(propertyName))
{
errorMessages.Add($"{tag} FK property name '{propertyName}' isn't a valid .NET identifier");
fkPropertyError = true;
}
if (element.Dependent.AllAttributes.Except(element.Dependent.Attributes).Any(a => a.Name == propertyName))
{
errorMessages.Add($"{tag} FK property name '{propertyName}' is used in a base class of {element.Dependent.Name}");
fkPropertyError = true;
}
}
if (!fkPropertyError)
{
// remove any flags and locks on the attributes that were foreign keys
foreach (ModelAttribute modelAttribute in priorForeignKeyModelAttributes)
{
modelAttribute.SetLocks(Locks.None);
modelAttribute.Summary = null;
modelAttribute.IsForeignKey = false;
modelAttribute.RedrawItem();
}
element.EnsureForeignKeyAttributes();
IEnumerable <ModelAttribute> currentForeignKeyModelAttributes = foreignKeyPropertyNames.Select(newValue => element.Dependent.Attributes.FirstOrDefault(a => a.Name == newValue));
// add delete flags and locks to the attributes that are now foreign keys
foreach (ModelAttribute modelAttribute in currentForeignKeyModelAttributes)
{
modelAttribute.SetLocks(Locks.None);
modelAttribute.Summary = $"Foreign key for {element.GetDisplayText()}";
modelAttribute.SetLocks(Locks.Delete);
modelAttribute.IsForeignKey = true;
modelAttribute.RedrawItem();
}
}
}
else
{
// foreign key was removed
// remove locks
foreach (ModelAttribute modelAttribute in priorForeignKeyModelAttributes)
{
modelAttribute.SetLocks(Locks.None);
modelAttribute.Summary = null;
modelAttribute.IsForeignKey = false;
}
}
}
break;
case "SourceCustomAttributes":
if (bidirectionalAssociation != null && !string.IsNullOrWhiteSpace(bidirectionalAssociation.SourceCustomAttributes))
{
bidirectionalAssociation.SourceCustomAttributes = $"[{bidirectionalAssociation.SourceCustomAttributes.Trim('[', ']')}]";
CheckSourceForDisplayText(bidirectionalAssociation);
}
break;
case "SourceDisplayText":
if (bidirectionalAssociation != null)
{
CheckSourceForDisplayText(bidirectionalAssociation);
}
break;
case "SourceMultiplicity":
Multiplicity sourceMultiplicity = (Multiplicity)e.NewValue;
// change unidirectional source cardinality
// if target is dependent
// source cardinality is 0..1 or 1
if (element.Target.IsDependentType && sourceMultiplicity == Multiplicity.ZeroMany)
{
errorMessages.Add($"Can't have a 0..* association from {element.Target.Name} to dependent type {element.Source.Name}");
break;
}
if ((sourceMultiplicity == Multiplicity.One && element.TargetMultiplicity == Multiplicity.One) ||
(sourceMultiplicity == Multiplicity.ZeroOne && element.TargetMultiplicity == Multiplicity.ZeroOne))
{
if (element.SourceRole != EndpointRole.NotSet)
{
element.SourceRole = EndpointRole.NotSet;
}
if (element.TargetRole != EndpointRole.NotSet)
{
element.TargetRole = EndpointRole.NotSet;
}
}
else
{
SetEndpointRoles(element);
}
// cascade delete behavior could now be illegal. Reset to default
element.SourceDeleteAction = DeleteAction.Default;
element.TargetDeleteAction = DeleteAction.Default;
break;
case "SourcePropertyName":
string sourcePropertyNameErrorMessage = ValidateAssociationIdentifier(element, element.Target, (string)e.NewValue);
if (EFModelDiagram.IsDropping && sourcePropertyNameErrorMessage != null)
{
element.Delete();
}
else
{
errorMessages.Add(sourcePropertyNameErrorMessage);
}
break;
case "SourceRole":
if (element.Source.IsDependentType)
{
element.SourceRole = EndpointRole.Dependent;
element.TargetRole = EndpointRole.Principal;
}
else if (!SetEndpointRoles(element))
{
if (element.SourceRole == EndpointRole.Dependent && element.TargetRole != EndpointRole.Principal)
{
element.TargetRole = EndpointRole.Principal;
}
else if (element.SourceRole == EndpointRole.Principal && element.TargetRole != EndpointRole.Dependent)
{
element.TargetRole = EndpointRole.Dependent;
}
}
break;
case "TargetCustomAttributes":
if (!string.IsNullOrWhiteSpace(element.TargetCustomAttributes))
{
element.TargetCustomAttributes = $"[{element.TargetCustomAttributes.Trim('[', ']')}]";
CheckTargetForDisplayText(element);
}
break;
case "TargetDisplayText":
CheckTargetForDisplayText(element);
break;
case "TargetMultiplicity":
Multiplicity newTargetMultiplicity = (Multiplicity)e.NewValue;
// change unidirectional target cardinality
// if target is dependent
// target cardinality must be 0..1 or 1
if (element.Target.IsDependentType && newTargetMultiplicity == Multiplicity.ZeroMany)
{
errorMessages.Add($"Can't have a 0..* association from {element.Source.Name} to dependent type {element.Target.Name}");
break;
}
if ((element.SourceMultiplicity == Multiplicity.One && newTargetMultiplicity == Multiplicity.One) ||
(element.SourceMultiplicity == Multiplicity.ZeroOne && newTargetMultiplicity == Multiplicity.ZeroOne))
{
if (element.SourceRole != EndpointRole.NotSet)
{
element.SourceRole = EndpointRole.NotSet;
}
if (element.TargetRole != EndpointRole.NotSet)
{
element.TargetRole = EndpointRole.NotSet;
}
}
else
{
SetEndpointRoles(element);
}
// cascade delete behavior could now be illegal. Reset to default
element.SourceDeleteAction = DeleteAction.Default;
element.TargetDeleteAction = DeleteAction.Default;
break;
case "TargetPropertyName":
// if we're creating an association via drag/drop, it's possible the existing property name
// is the same as the default property name. The default doesn't get created until the transaction is
// committed, so the drop's action will cause a name clash. Remove the clashing property, but
// only if drag/drop.
string targetPropertyNameErrorMessage = ValidateAssociationIdentifier(element, element.Source, (string)e.NewValue);
if (EFModelDiagram.IsDropping && targetPropertyNameErrorMessage != null)
{
element.Delete();
}
else
{
errorMessages.Add(targetPropertyNameErrorMessage);
}
break;
case "TargetRole":
if (element.Target.IsDependentType)
{
element.SourceRole = EndpointRole.Principal;
element.TargetRole = EndpointRole.Dependent;
}
else if (!SetEndpointRoles(element))
{
if (element.TargetRole == EndpointRole.Dependent && element.SourceRole != EndpointRole.Principal)
{
element.SourceRole = EndpointRole.Principal;
}
else if (element.TargetRole == EndpointRole.Principal && element.SourceRole != EndpointRole.Dependent)
{
element.SourceRole = EndpointRole.Dependent;
}
}
break;
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(string.Join("\n", errorMessages));
}
}
/// <inheritdoc />
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
Association element = (Association)e.ModelElement;
if (element.IsDeleted)
{
return;
}
Store store = element.Store;
ModelRoot modelRoot = store.ModelRoot();
Transaction current = store.TransactionManager.CurrentTransaction;
if (current.IsSerializing || ModelRoot.BatchUpdating)
{
return;
}
if (Equals(e.NewValue, e.OldValue))
{
return;
}
List <string> errorMessages = EFCoreValidator.GetErrors(element).ToList();
BidirectionalAssociation bidirectionalAssociation = element as BidirectionalAssociation;
using (Transaction inner = store.TransactionManager.BeginTransaction("Association ElementPropertyChanged"))
{
bool doForeignKeyFixup = false;
switch (e.DomainProperty.Name)
{
case "FKPropertyName":
{
if (store.ModelRoot().EntityFrameworkVersion == EFVersion.EF6 &&
element.SourceMultiplicity != Multiplicity.ZeroMany &&
element.TargetMultiplicity != Multiplicity.ZeroMany)
{
element.FKPropertyName = null;
doForeignKeyFixup = true;
}
else
{
ValidateForeignKeyNames(element, errorMessages);
}
if (!errorMessages.Any())
{
doForeignKeyFixup = true;
}
break;
}
case "SourceCustomAttributes":
{
if (bidirectionalAssociation != null && !string.IsNullOrWhiteSpace(bidirectionalAssociation.SourceCustomAttributes))
{
bidirectionalAssociation.SourceCustomAttributes = $"[{bidirectionalAssociation.SourceCustomAttributes.Trim('[', ']')}]";
CheckSourceForDisplayText(bidirectionalAssociation);
}
break;
}
case "SourceDisplayText":
{
if (bidirectionalAssociation != null)
{
CheckSourceForDisplayText(bidirectionalAssociation);
}
break;
}
case "SourceMultiplicity":
{
if (!ValidateMultiplicity(element, modelRoot, errorMessages, store, ref doForeignKeyFixup))
{
break;
}
Multiplicity priorSourceMultiplicity = (Multiplicity)e.OldValue;
if (((priorSourceMultiplicity == Multiplicity.ZeroOne || priorSourceMultiplicity == Multiplicity.ZeroMany) && element.SourceMultiplicity == Multiplicity.One) ||
((element.SourceMultiplicity == Multiplicity.ZeroOne || element.SourceMultiplicity == Multiplicity.ZeroMany) && priorSourceMultiplicity == Multiplicity.One))
{
doForeignKeyFixup = true;
}
string defaultSourcePropertyName =
priorSourceMultiplicity == Multiplicity.ZeroMany && ModelRoot.PluralizationService?.IsSingular(element.Source.Name) == true
? ModelRoot.PluralizationService.Pluralize(element.Source.Name)
: element.Source.Name;
if (element is BidirectionalAssociation bidirectional && bidirectional.SourcePropertyName == defaultSourcePropertyName)
{
bidirectional.SourcePropertyName = element.SourceMultiplicity == Multiplicity.ZeroMany && ModelRoot.PluralizationService?.IsSingular(element.Source.Name) == true
? ModelRoot.PluralizationService.Pluralize(element.Source.Name)
: element.Source.Name;
}
break;
}
case "SourcePropertyName":
{
string sourcePropertyNameErrorMessage = ValidateAssociationIdentifier(element, element.Target, (string)e.NewValue);
if (EFModelDiagram.IsDroppingExternal && sourcePropertyNameErrorMessage != null)
{
element.Delete();
}
else
{
errorMessages.Add(sourcePropertyNameErrorMessage);
}
break;
}
case "SourceRole":
{
if (element.SourceRole == EndpointRole.NotApplicable)
{
element.SourceRole = EndpointRole.NotSet;
}
//if (element.Source.IsDependentType)
//{
// element.SourceRole = EndpointRole.Dependent;
// element.TargetRole = EndpointRole.Principal;
//}
//else
if (!SetEndpointRoles(element))
{
if (element.SourceRole == EndpointRole.Dependent && element.TargetRole != EndpointRole.Principal)
{
element.TargetRole = EndpointRole.Principal;
}
else if (element.SourceRole == EndpointRole.Principal && element.TargetRole != EndpointRole.Dependent)
{
element.TargetRole = EndpointRole.Dependent;
}
}
doForeignKeyFixup = true;
break;
}
case "TargetCustomAttributes":
{
if (!string.IsNullOrWhiteSpace(element.TargetCustomAttributes))
{
element.TargetCustomAttributes = $"[{element.TargetCustomAttributes.Trim('[', ']')}]";
CheckTargetForDisplayText(element);
}
break;
}
case "TargetDisplayText":
{
CheckTargetForDisplayText(element);
break;
}
case "TargetMultiplicity":
{
if (!ValidateMultiplicity(element, modelRoot, errorMessages, store, ref doForeignKeyFixup))
{
break;
}
Multiplicity priorTargetMultiplicity = (Multiplicity)e.OldValue;
if (((priorTargetMultiplicity == Multiplicity.ZeroOne || priorTargetMultiplicity == Multiplicity.ZeroMany) && element.TargetMultiplicity == Multiplicity.One) ||
((element.TargetMultiplicity == Multiplicity.ZeroOne || element.TargetMultiplicity == Multiplicity.ZeroMany) && priorTargetMultiplicity == Multiplicity.One))
{
doForeignKeyFixup = true;
}
string defaultTargetPropertyName =
priorTargetMultiplicity == Multiplicity.ZeroMany && ModelRoot.PluralizationService?.IsSingular(element.Target.Name) == true
? ModelRoot.PluralizationService.Pluralize(element.Target.Name)
: element.Target.Name;
if (element.TargetPropertyName == defaultTargetPropertyName)
{
element.TargetPropertyName = element.TargetMultiplicity == Multiplicity.ZeroMany && ModelRoot.PluralizationService?.IsSingular(element.Target.Name) == true
? ModelRoot.PluralizationService.Pluralize(element.Target.Name)
: element.Target.Name;
}
break;
}
case "TargetPropertyName":
{
// if we're creating an association via drag/drop, it's possible the existing property name
// is the same as the default property name. The default doesn't get created until the transaction is
// committed, so the drop's action will cause a name clash. Remove the clashing property, but
// only if drag/drop.
string targetPropertyNameErrorMessage = ValidateAssociationIdentifier(element, element.Source, (string)e.NewValue);
if (EFModelDiagram.IsDroppingExternal && targetPropertyNameErrorMessage != null)
{
element.Delete();
}
else
{
errorMessages.Add(targetPropertyNameErrorMessage);
}
break;
}
case "TargetRole":
{
if (element.TargetRole == EndpointRole.NotApplicable)
{
element.TargetRole = EndpointRole.NotSet;
}
//if (element.Target.IsDependentType && (element.SourceRole != EndpointRole.Principal || element.TargetRole != EndpointRole.Dependent))
//{
// element.SourceRole = EndpointRole.Principal;
// element.TargetRole = EndpointRole.Dependent;
// doForeignKeyFixup = true;
//}
//else
if (!SetEndpointRoles(element))
{
if (element.TargetRole == EndpointRole.Dependent && element.SourceRole != EndpointRole.Principal)
{
element.SourceRole = EndpointRole.Principal;
doForeignKeyFixup = true;
}
else if (element.TargetRole == EndpointRole.Principal && element.SourceRole != EndpointRole.Dependent)
{
element.SourceRole = EndpointRole.Dependent;
doForeignKeyFixup = true;
}
}
break;
}
}
if (doForeignKeyFixup)
{
FixupForeignKeys(element);
}
inner.Commit();
element.RedrawItem();
}
errorMessages = errorMessages.Where(m => m != null).ToList();
if (errorMessages.Any())
{
current.Rollback();
ErrorDisplay.Show(store, string.Join("\n", errorMessages));
}
}