/// <summary>
/// Finds out if a relationship can be assigned automatically between the given source
/// and target element.
/// </summary>
/// <remarks>
/// This method is required becase reference relationship do not need to be serialized
/// with an id. But shapes still need to be created for them if a visual information
/// is provided in the diagrams model.
/// </remarks>
protected override DslModeling::ModelElement CanAssignRelationship(DslModeling::ModelElement source, DslModeling::ModelElement target)
{
if (source == null || target == null)
{
return(null);
}
global::Tum.FamilyTreeDSL.ParentOf instanceToReturn = null;
System.Collections.ObjectModel.ReadOnlyCollection <global::Tum.FamilyTreeDSL.ParentOf> allMParentOfInstances = DslModeling::DomainRoleInfo.GetElementLinks <global::Tum.FamilyTreeDSL.ParentOf>(source, global::Tum.FamilyTreeDSL.ParentOf.ParentDomainRoleId);
foreach (global::Tum.FamilyTreeDSL.ParentOf instance in allMParentOfInstances)
{
if (instance.Child.Id == target.Id)
{
if (instanceToReturn == null)
{
instanceToReturn = instance;
}
else
{
return(null);
}
}
}
return(instanceToReturn);
}
public PropertyGridParentOfViewModel(DslEditorViewModelData::ViewModelStore viewModelStore, global::Tum.FamilyTreeDSL.ParentOf element) : base(viewModelStore, element)
{
}