/// <summary>
/// Finds dependent elements (in model or in diagram)
/// </summary>
/// <param name="diagram">reference to a diagram when lookup should be restrected to a diagram.
/// pass <code>null</code> if lookup should be performed in the whole model</param>
/// <param name="element">element</param>
/// <param name="dependency">type of dependency</param>
/// <param name="dependentElements">collection where to add dependent elements</param>
/// <param name="transitive">when true, lookup is transitive (dependent elements of dependent elements ...)</param>
public static void GetDependentElements(Diagram diagram, Element element, EDependency dependency, ref List <Element> dependentElements, bool transitive)
{
if (element is Class && (dependency & EDependency.Class_Association) == EDependency.Class_Association)
{
foreach (Association association in ((Class)element).Assocations)
{
if (!dependentElements.Contains(association))
{
if ((diagram == null || IsInDiagram(diagram, association)) && !dependentElements.Contains(association))
{
dependentElements.Add(association);
if (transitive)
{
GetDependentElements(diagram, association, dependency, ref dependentElements, true);
}
}
}
}
}
if (element is Class && (dependency & EDependency.Class_Generalization) == EDependency.Class_Generalization)
{
foreach (Generalization generalization in ((Class)element).Specifications)
{
if (!dependentElements.Contains(generalization))
{
if ((diagram == null || IsInDiagram(diagram, generalization)))
{
dependentElements.Add(generalization);
if (transitive)
{
GetDependentElements(diagram, generalization, dependency, ref dependentElements, true);
}
}
}
}
foreach (Generalization generalization in ((Class)element).Generalizations)
{
if (!dependentElements.Contains(generalization))
{
if ((diagram == null || IsInDiagram(diagram, generalization)))
{
dependentElements.Add(generalization);
if (transitive)
{
GetDependentElements(diagram, generalization, dependency, ref dependentElements, true);
}
}
}
}
}
if ((dependency & EDependency.Element_ElementComment) == EDependency.Element_ElementComment)
{
foreach (Comment comment in element.Comments)
{
if (!dependentElements.Contains(comment))
{
if ((diagram == null || IsInDiagram(diagram, comment)))
{
dependentElements.Add(comment);
if (transitive)
{
GetDependentElements(diagram, comment, dependency, ref dependentElements, true);
}
}
}
}
}
//if ((dependency & EDependency.FullConnections) == EDependency.FullConnections)
//{
// if (element is Association)
// {
// foreach (AssociationEnd end in ((Association)element).Ends)
// {
// if (!dependentElements.Contains(end.Class))
// {
// dependentElements.Add(end.Class);
// if (transitive)
// GetDependentElements(diagram, end.Class, dependency, ref dependentElements, true);
// }
// }
// }
// if (element is Generalization)
// {
// Class general = ((Generalization)element).General;
// if (!dependentElements.Contains(general))
// {
// dependentElements.Add(general);
// if (transitive)
// GetDependentElements(diagram, general, dependency, ref dependentElements, true);
// }
// Class specific = ((Generalization)element).Specific;
// if (!dependentElements.Contains(specific))
// {
// dependentElements.Add(specific);
// if (transitive)
// GetDependentElements(diagram, specific, dependency, ref dependentElements, true);
// }
// }
//}
}
/// <summary>
/// Finds dependent elements in <paramref name="diagram"/> for all elements in <paramref name="elements"/>.
/// </summary>
/// <param name="elements">collection of elements for which dependent elements will be
/// returned</param>
/// <param name="diagram">diagram where dependent elements are searched</param>
/// <param name="dependency">type of dependencies</param>
/// <returns><see cref="ElementDependencies"/></returns>
public static ElementDependencies FindElementDependenciesInDiagram(IList <Element> elements, Diagram diagram, EDependency dependency)
{
return(FindElementDependencies(elements, diagram, dependency));
}
/// <summary>
/// Finds dependent elements in <paramref name="diagram"/> or in whole model
/// for all elements in <paramref name="elements"/>.
/// </summary>
/// <param name="elements">collection of elements for which dependent elements will be
/// returned</param>
/// <param name="diagram">diagram where dependent elements are searched, when set to <code>null</code>
/// lookup will be performed in the whole model</param>
/// <param name="dependency">type of dependencies</param>
/// <returns><see cref="ElementDependencies"/></returns>
private static ElementDependencies FindElementDependencies(IList <Element> elements, Diagram diagram, EDependency dependency)
{
ElementDependencies dependencies = new ElementDependencies();
foreach (Element element in elements)
{
List <Element> dep = new List <Element>();
GetDependentElements(diagram, element, dependency, ref dep, true);
dep.RemoveAll(dependentElement => elements.Contains(dependentElement));
if (dep.Count > 0)
{
dependencies.Flags[element] = false;
dependencies[element] = dep;
}
}
return(dependencies);
}
/// <summary>
/// Finds dependent elements in model for all elements in <paramref name="elements"/>.
/// </summary>
/// <param name="elements">collection of elements for which dependent elements will be
/// returned</param>
/// <param name="dependency">type of dependency</param>
/// <returns><see cref="ElementDependencies"/></returns>
public static ElementDependencies FindElementDependenciesInModel(IList <Element> elements, EDependency dependency)
{
return(FindElementDependencies(elements, null, dependency));
}
