public override bool CanExecute()
{
PSMAssociation association = Project.TranslateComponent <PSMAssociation>(AssociationGuid);
PSMAssociationMember target = Project.TranslateComponent <PSMAssociationMember>(NewParentGuid);
PSMAssociationMember source = association.Parent;
if ((target is PSMClass) && (source is PSMClass) &&
((target as PSMClass).RepresentedClass == source ||
(source as PSMClass).RepresentedClass == target))
{
return(true);
}
if (source.GetNearestCommonAncestorAssociationMember(target) == null)
{
ErrorDescription = CommandErrors.CMDERR_NO_COMMON_ANCESTOR_ASSOC_MEMBER;
return(false);
}
return(true);
}
internal override void GenerateSubCommands()
{
PSMAssociation association = Project.TranslateComponent <PSMAssociation>(AssociationGuid);
PSMAssociationMember source = association.Parent;
PSMAssociationMember target = Project.TranslateComponent <PSMAssociationMember>(NewParentGuid);
if ((target is PSMClass) && (source is PSMClass) &&
((target as PSMClass).RepresentedClass == source ||
(source as PSMClass).RepresentedClass == target))
{
Commands.Add(new acmdReconnectPSMAssociation(Controller, AssociationGuid, target)
{
Propagate = Propagate
});
}
else
{
List <PSMAssociationMember> intermediateMembers = new List <PSMAssociationMember>();
PSMAssociationMember common = source.GetNearestCommonAncestorAssociationMember(target);
Debug.Assert(common != null, "Common Ancestor Class Null");
if (common != source)
{
//move up to common PSMAssociationMember
PSMAssociationMember parent = source.ParentAssociation.Parent;
while (parent != common)
{
intermediateMembers.Add(parent);
Debug.Assert(parent.ParentAssociation != null, "Did not find common Association Member");
parent = parent.ParentAssociation.Parent;
}
intermediateMembers.Add(common);
}
if (common.IsDescendantFrom(target))
{
//move up
PSMAssociationMember parent = common.ParentAssociation.Parent;
while (parent != target)
{
intermediateMembers.Add(parent);
Debug.Assert(parent.ParentAssociation != null, "Did not find common Association Member");
parent = parent.ParentAssociation.Parent;
}
intermediateMembers.Add(target);
}
else if (target.IsDescendantFrom(common))
{
//move down
List <PSMAssociationMember> intermediateMembers2 = new List <PSMAssociationMember>();
intermediateMembers2.Add(target);
PSMAssociationMember parent = target.ParentAssociation.Parent;
while (parent != common)
{
intermediateMembers2.Add(parent);
Debug.Assert(parent.ParentAssociation != null, "Did not find common Association Member");
parent = parent.ParentAssociation.Parent;
}
intermediateMembers2.Reverse();
intermediateMembers.AddRange(intermediateMembers2);
}
else if (target == common)
{
//nothing
}
else
{
Debug.Assert(false, "error - common association member not reachable?");
}
foreach (PSMAssociationMember psmAssociationMember in intermediateMembers)
{
Commands.Add(new acmdReconnectPSMAssociation(Controller, AssociationGuid, psmAssociationMember)
{
Propagate = Propagate
});
}
}
}