// event handler pro validaci myší vytvořených linků jakožto povolených vztahů z UPMM
private void diagram_LinkDrawn(object sender, DiagramEventArgs e)
{
Link link = (e.Part as Link);
ActivityDiagramLinkData linkData = link.Data as ActivityDiagramLinkData;
ActivityDiagramNodeData fromData = link.FromData as ActivityDiagramNodeData;
ActivityDiagramNodeData toData = link.ToData as ActivityDiagramNodeData;
ChooseLinkCategory(fromData, toData, linkData);
switch (linkData.Category)
{
case "Control Flow":
CheckLink(fromData, toData, linkData);
break;
case "Object Flow":
CheckLink(fromData, toData, linkData);
break;
case "Anchor":
CheckLink(fromData, toData, linkData);
break;
default:
(diagram.LinksSource as ObservableCollection <ActivityDiagramLinkData>).Remove(linkData);
break;
}
}
// metoda pro výběr typu hrany - anchor, object flow nebo control flow
private void ChooseLinkCategory(ActivityDiagramNodeData fromData, ActivityDiagramNodeData toData, ActivityDiagramLinkData linkData)
{
if ((fromData.Category == Constants.UML_AD_OBJECT || toData.Category == Constants.UML_AD_OBJECT) && (fromData.Category != Constants.UML_AD_NOTE && toData.Category != Constants.UML_AD_NOTE))
{
linkData.Category = Constants.UML_AD_OBJECT_FLOW;
}
else if (fromData.Category == Constants.UML_AD_NOTE || toData.Category == Constants.UML_AD_NOTE)
{
linkData.Category = Constants.UML_AD_ANCHOR;
}
else
{
linkData.Category = Constants.UML_AD_CONTROL_FLOW;
}
}
// metoda pro validaci hran jakožto povolených vztahů z UPMM - volá mapovací pravidla z UML4UPMM
private void CheckLink(ActivityDiagramNodeData fromData, ActivityDiagramNodeData toData, ActivityDiagramLinkData linkData)
{
//pokud je na některé straně hrany jeden z uzlů těchto typů, tak se hrana automaticky povoluje, jedná se o podporu toku, která není mapovaná z UPMM
if (fromData.Category == Constants.UML_AD_INITIAL_ACTIVITY || toData.Category == Constants.UML_AD_FINAL_ACTIVITY ||
fromData.Category == Constants.UML_AD_DECISION || toData.Category == Constants.UML_AD_DECISION ||
fromData.Category == Constants.UML_AD_DECISION_MERGE || toData.Category == Constants.UML_AD_DECISION_MERGE ||
fromData.Category == Constants.UML_AD_FORK || toData.Category == Constants.UML_AD_FORK ||
fromData.Category == Constants.UML_AD_JOIN || toData.Category == Constants.UML_AD_JOIN)
{
linkData.Color = Constants.VALID_COLOR;
if (linkData.Guide == null || linkData.Guide == "")
{
linkData.Guide = "[Guide]";
}
if ((diagram.LinksSource as ObservableCollection <ActivityDiagramLinkData>).Where(x => x.From == linkData.From && x.To == linkData.To).Count() == 0)
{
(diagram.LinksSource as ObservableCollection <ActivityDiagramLinkData>).Add(linkData);
}
}
// jinak zkontroluj vztah z UPMM
else
{
// metoda CheeckADRelationShip může vracet dvě možnosti
// 1. null - to znamená, že je ZAPNUTÁ validace a hrana není datově obsažena v profilu
// 2. ekvivalentní namapovaný vztah z UPMM a barvu pro hranu podle toho, jestli je hrana v profilu nebo není
string color = Constants.VALID_COLOR;
string relationship = uml4upmm.CheckADRelationship(fromData.IRI, toData.IRI, ActivityDiagramPage.IsValidatingWithModel, out color);
// možnost 1
if (relationship == null)
{
(diagram.LinksSource as ObservableCollection <ActivityDiagramLinkData>).Remove(linkData);
return;
}
// možnost 2
linkData.Guide = "<<" + relationship + ">>";
linkData.Color = color;
if ((diagram.LinksSource as ObservableCollection <ActivityDiagramLinkData>).Where(x => x.From == linkData.From && x.To == linkData.To).Count() > 1)
{
(diagram.LinksSource as ObservableCollection <ActivityDiagramLinkData>).Remove(linkData);
}
else if ((diagram.LinksSource as ObservableCollection <ActivityDiagramLinkData>).Where(x => x.From == linkData.From && x.To == linkData.To).Count() == 0)
{
(diagram.LinksSource as ObservableCollection <ActivityDiagramLinkData>).Add(linkData);
}
}
}