/// <summary>
/// Called by the base ConnectAction class to create the underlying relationship.
/// </summary>
/// <remarks>
/// This implementation delegates calls to the ConnectionBuilder AssociationConnectorBuilder.
/// </remarks>
public override void CreateConnection(DslDiagrams::ShapeElement sourceShapeElement, DslDiagrams::ShapeElement targetShapeElement, DslDiagrams::PaintFeedbackArgs paintFeedbackArgs)
{
if (sourceShapeElement == null)
{
throw new global::System.ArgumentNullException("sourceShapeElement");
}
if (targetShapeElement == null)
{
throw new global::System.ArgumentNullException("targetShapeElement");
}
sourceShapeElement = RemovePassThroughShapes(sourceShapeElement);
targetShapeElement = RemovePassThroughShapes(targetShapeElement);
DslModeling::ModelElement sourceElement = sourceShapeElement.ModelElement;
if (sourceElement == null)
{
sourceElement = sourceShapeElement;
}
DslModeling::ModelElement targetElement = targetShapeElement.ModelElement;
if (targetElement == null)
{
targetElement = targetShapeElement;
}
// You will need to implement a method with the following signature:
// public static void Connect(DslModeling::ModelElement sourceElement, DslModeling::ModelElement targetElement)
// {
// }
// in a partial class of AssociationConnectorBuilder.
AssociationConnectorBuilder.Connect(sourceElement, targetElement);
}
/// <summary>
/// Called by the base ConnectAction class to determine if the given shapes can be connected.
/// </summary>
/// <remarks>
/// This implementation delegates calls to the ConnectionBuilder AssociationConnectorBuilder.
/// </remarks>
public override bool CanCreateConnection(DslDiagrams::ShapeElement sourceShapeElement, DslDiagrams::ShapeElement targetShapeElement, ref string connectionWarning)
{
bool canConnect = true;
if (sourceShapeElement == null)
{
throw new global::System.ArgumentNullException("sourceShapeElement");
}
sourceShapeElement = RemovePassThroughShapes(sourceShapeElement);
DslModeling::ModelElement sourceElement = sourceShapeElement.ModelElement;
if (sourceElement == null)
{
sourceElement = sourceShapeElement;
}
DslModeling::ModelElement targetElement = null;
if (targetShapeElement != null)
{
targetShapeElement = RemovePassThroughShapes(targetShapeElement);
targetElement = targetShapeElement.ModelElement;
if (targetElement == null)
{
targetElement = targetShapeElement;
}
}
// base.CanCreateConnection must be called to check whether existing Locks prevent this link from getting created.
canConnect = base.CanCreateConnection(sourceShapeElement, targetShapeElement, ref connectionWarning);
if (canConnect)
{
if (targetShapeElement == null)
{
// You will need to implement a method with the following signature:
// public static bool CanAcceptSource(DslModeling::ModelElement sourceElement)
// {
// }
// in a partial class of AssociationConnectorBuilder.
return(AssociationConnectorBuilder.CanAcceptSource(sourceElement));
}
else
{
// You will need to implement a method with the following signature:
// public static bool CanAcceptSourceAndTarget(DslModeling::ModelElement sourceElement, DslModeling::ModelElement targetElement)
// {
// }
// in a partial class of AssociationConnectorBuilder.
return(AssociationConnectorBuilder.CanAcceptSourceAndTarget(sourceElement, targetElement));
}
}
else
{
//return false
return(canConnect);
}
}
protected override void OnCopy(ModelElement sourceElement)
{
base.OnCopy(sourceElement);
NavigationProperty sourceProperty = (NavigationProperty)sourceElement;
this.TypedEntitySet = sourceProperty.TypedEntitySet;
this.KeyAttribute = Common.ExtensionMethods.Clone(sourceProperty.KeyAttribute);
using (ValidationContextRegion.DisableAll())
{
// this will add delete which dispose validation region when transaction completes/rolled-back
/*this.Store.RegisterActionOnTransactionEvent(TransactionEvent.Committed | TransactionEvent.RolledBack,
* disabledValidationRegion, (args, disposable) => disposable.Dispose());*/
if (sourceProperty.PersistentTypeHasAssociations != null)
{
this.PersistentTypeHasAssociations =
(PersistentTypeHasAssociations)sourceProperty.PersistentTypeHasAssociations.Copy(
new[]
{
PersistentTypeHasAssociations.TargetPersistentTypeDomainRoleId,
PersistentTypeHasAssociations.SourcePersistentTypeDomainRoleId
});
}
}
if (this.PersistentTypeHasAssociations != null)
{
this.PersistentTypeHasAssociations.TargetPersistentType =
sourceProperty.PersistentTypeHasAssociations.TargetPersistentType;
this.PersistentTypeHasAssociations.Name =
AssociationConnectorBuilder.BuildAssociationName(
this.PersistentTypeHasAssociations.SourcePersistentType,
this.PersistentTypeHasAssociations.TargetPersistentType);
}
}
public override void ExecCommand(MenuCommand menuCommand)
{
CurrentModelSelection modelSelection = GetCurrentSelectedPersistentType();
EntityDiagram entityDiagram = modelSelection.GetFromSelection <EntityDiagram>(false).SingleOrDefault();
PersistentType persistentType = modelSelection.IsPersistentTypeSelected
? modelSelection.CurrentPersistentType
: null;
Store store = persistentType != null ? persistentType.Store : entityDiagram.Store;
IEnumerable <PersistentTypeItem> existingTypeNames =
store.ElementDirectory.FindElements <PersistentType>()
.Where(item => item.TypeKind.In(PersistentTypeKind.Entity, PersistentTypeKind.Interface, PersistentTypeKind.Structure))
.Select(item => new PersistentTypeItem(item.Name, ModelUtil.ConvertTo(item.TypeKind),
item.AllProperties.Select(prop => prop.Name).ToArray()));
PersistentTypeItem persistentTypeEnd1 = persistentType == null
? null
: new PersistentTypeItem(
persistentType.Name,
ModelUtil.ConvertTo(persistentType.TypeKind),
persistentType.AllProperties.Select(prop => prop.Name).
ToArray());
Func <PersistentTypeItem, PersistentType> findTypeFunc =
(typeItemd) => store.ElementDirectory
.FindElements <PersistentType>()
.Where(item => item.Name == typeItemd.Name && ModelUtil.ConvertTo(item.TypeKind) == typeItemd.Kind)
.SingleOrDefault();
IEnumerable <string> existingAssociations =
store.ElementDirectory.FindElements <PersistentTypeHasAssociations>().Select(assoc => assoc.Name).ToArray();
if (existingTypeNames.Count() < 2)
{
MessageBox.Show("There must be at least 2 persistent types to make association.", "Add Association...",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//FormAddAssociation.ResultData resultData;
//if (FormAddAssociation.DialogShow(existingTypeNames, existingAssociations, persistentTypeEnd1, out resultData))
FormAddAssociation.ResultData resultData;
if (FormAddAssociation.DialogShow(existingTypeNames, existingAssociations, persistentTypeEnd1, out resultData))
{
modelSelection.MakeActionWithinTransaction(string.Format("Add new association '{0}'", resultData.AssociationName),
delegate
{
PersistentType sourcePersistentType = findTypeFunc(resultData.PersistentItem1.TypeItem);
PersistentType targetPersistentType = findTypeFunc(resultData.PersistentItem2.TypeItem);
IAssociationInfo sourceInfo = new AssociationInfo
{
Multiplicity = resultData.PersistentItem2.Multiplicity,
OnOwnerRemove = AssociationOnRemoveAction.Default,
OnTargetRemove = AssociationOnRemoveAction.Default,
UseAssociationAttribute = resultData.PersistentItem2.UseAssociationAttribute
};
sourceInfo.PairTo.SetAsCustom(resultData.PersistentItem1.PropertyName);
IAssociationInfo targetInfo = new AssociationInfo
{
Multiplicity = resultData.PersistentItem1.Multiplicity,
OnOwnerRemove = AssociationOnRemoveAction.Default,
OnTargetRemove = AssociationOnRemoveAction.Default,
UseAssociationAttribute = resultData.PersistentItem1.UseAssociationAttribute
};
targetInfo.PairTo.SetAsCustom(resultData.PersistentItem2.PropertyName);
if (resultData.SimpleMode && sourcePersistentType == targetPersistentType)
{
targetInfo = sourceInfo;
targetPersistentType = sourcePersistentType;
}
var persistentTypesAssociation = AssociationConnectorBuilder.CreatePersistentTypesAssociation(sourcePersistentType,
targetPersistentType, sourceInfo, targetInfo, resultData.AssociationName,
true, !resultData.SimpleMode);
Owner.SelectModelElement((ModelElement)persistentTypesAssociation);
});
}
}
