public override bool OnPreDeleteDiagram(IEAVolatileDiagram volatileDiagram)
{
IEARepository repository = EAMain.Repository;
IEADiagram diagram = repository.GetDiagramByID(volatileDiagram.DiagramID);
if (!diagram.IsForcesView())
{
return(true);
}
if (_controllers.ContainsKey(diagram.GUID))
{
if (repository.IsTabOpen(ForcesModel.CreateForcesTabName(diagram.Name)) > 0)
{
repository.RemoveTab(ForcesModel.CreateForcesTabName(diagram.Name));
}
_controllers.Remove(diagram.GUID);
}
return(true);
}
public override bool OnContextItemDoubleClicked(string guid, EANativeType type)
{
if (EANativeType.Diagram != type)
{
return(false);
}
IEARepository repository = EAMain.Repository;
IEADiagram diagram = repository.GetDiagramByGuid(guid);
if (!diagram.IsForcesView())
{
return(false);
}
var forcesDiagramModel = new ForcesModel(diagram);
if (repository.IsTabOpen(forcesDiagramModel.Name) > 0)
{
// naming is not optimal as tabs can have same names... need to find a solution that we can
// distinguish tabs more optimal
repository.ActivateTab(forcesDiagramModel.Name);
return(true);
}
IForcesView forcesView = repository.AddTab(forcesDiagramModel.Name,
"DecisionViewpoints.Forces");
IForcesController forcesController;
if (!_controllers.ContainsKey(forcesDiagramModel.DiagramGUID))
{
forcesController = new ForcesController(forcesView, forcesDiagramModel);
_controllers.Add(forcesDiagramModel.DiagramGUID, forcesController);
}
else
{
forcesController = _controllers[forcesDiagramModel.DiagramGUID];
forcesController.View = forcesView;
forcesController.Model = forcesDiagramModel;
}
forcesController.Update();
return(true);
}
public override bool OnPreDeleteElement(IEAElement element)
{
if (!element.TaggedValueExists(EATaggedValueKeys.IsDecisionElement) &&
!element.TaggedValueExists(EATaggedValueKeys.IsConcernElement) &&
!element.TaggedValueExists(EATaggedValueKeys.IsForceElement))
{
return(true);
}
var diagrams = new List <IEADiagram>();
diagrams.AddRange(element.GetDiagrams().Where(eaDiagram => eaDiagram.IsForcesView()));
if (diagrams.Count == 0)
{
return(true);
}
IEARepository repository = EAMain.Repository;
foreach (
IForcesController forcesController in
from diagram in diagrams
where repository.IsTabOpen(ForcesModel.CreateForcesTabName(diagram.Name)) > 0
select _controllers[diagram.GUID])
{
string diagramGuid = forcesController.Model.DiagramGUID;
// we cannot update the view with a new diagram model here, as the diagram changes are applied
// after the deletion event is successful
if (element.TaggedValueExists(EATaggedValueKeys.IsDecisionElement, diagramGuid))
{
forcesController.RemoveDecision(element);
}
if (element.TaggedValueExists(EATaggedValueKeys.IsConcernElement, diagramGuid))
{
forcesController.RemoveConcern(element);
}
if (element.TaggedValueExists(EATaggedValueKeys.IsForceElement, diagramGuid))
{
forcesController.RemoveForce(element);
}
}
return(true);
}
public override void OnNotifyContextItemModified(string guid, EANativeType type)
{
IEARepository repository = EAMain.Repository;
IForcesController forcesController;
switch (type)
{
// the diagram is modified when we remove an element or a connector from it
case EANativeType.Diagram:
IEADiagram diagram = repository.GetDiagramByGuid(guid);
if (!diagram.IsForcesView())
{
return;
}
// if the name of a diagram changed and the forces tab is open then close it to avoid conflicts
if (repository.IsTabOpen(ForcesModel.CreateForcesTabName(diagram.Name)) <= 0)
{
if (!_controllers.ContainsKey(diagram.GUID))
{
break;
}
forcesController = _controllers[diagram.GUID];
if (repository.IsTabOpen(forcesController.Model.Name) > 0)
{
repository.RemoveTab(forcesController.Model.Name);
}
break;
}
if (!_controllers.ContainsKey(diagram.GUID))
{
break;
}
forcesController = _controllers[diagram.GUID];
forcesController.SetDiagramModel(diagram);
break;
case EANativeType.Element:
IEAElement element = repository.GetElementByGUID(guid);
foreach (
IEADiagram eaDiagram in
element.GetDiagrams()
.Where(eaDiagram => eaDiagram.IsForcesView())
.Where(eaDiagram => _controllers.ContainsKey(eaDiagram.GUID)))
{
forcesController = _controllers[eaDiagram.GUID];
// An element can be of multiple types:
if (element.TaggedValueExists(EATaggedValueKeys.IsDecisionElement, eaDiagram.GUID))
{
forcesController.UpdateDecision(element);
}
if (element.TaggedValueExists(EATaggedValueKeys.IsConcernElement, eaDiagram.GUID))
{
forcesController.UpdateConcern(element);
}
if (element.TaggedValueExists(EATaggedValueKeys.IsForceElement, eaDiagram.GUID))
{
forcesController.UpdateForce(element);
}
}
break;
}
}
