override fun createHierarchyTreeStructure()

in intellij/src/main/kotlin/motif/intellij/hierarchy/ScopePropertyHierarchyBrowser.kt [147:187]
41 lines of code
3 McCabe index (conditional complexity)

  override fun createHierarchyTreeStructure(
      typeName: String,
      psiElement: PsiElement
  ): HierarchyTreeStructure? {
    if (psiElement is PsiClass && isMotifScopeClass(psiElement)) {
      val scopeType: PsiType = PsiElementFactory.SERVICE.getInstance(project).createType(psiElement)
      val type: IrType = IntelliJType(project, scopeType)
      val scope: Scope = graph.getScope(type) ?: return null
      return when (hierarchyType) {
        PropertyHierarchyType.CONSUME -> {
          val descriptor: HierarchyNodeDescriptor =
              ScopeHierarchySinksSectionDescriptor(
                  project, graph, null, (scope.clazz as IntelliJClass).psiClass, scope)
          ScopeHierarchyTreeStructure(project, graph, descriptor)
        }
        PropertyHierarchyType.PROVIDE -> {
          val descriptor: HierarchyNodeDescriptor =
              ScopeHierarchySourcesSectionDescriptor(
                  project, graph, null, (scope.clazz as IntelliJClass).psiClass, scope)
          ScopeHierarchyTreeStructure(project, graph, descriptor)
        }
        PropertyHierarchyType.CONSUME_AND_PROVIDE -> {
          val descriptor: HierarchyNodeDescriptor =
              ScopeHierarchySourcesAndSinksSectionDescriptor(
                  project, graph, null, (scope.clazz as IntelliJClass).psiClass, scope)
          ScopeHierarchyTreeStructure(project, graph, descriptor)
        }
        PropertyHierarchyType.DEPENDENCIES -> {
          val descriptor: HierarchyNodeDescriptor =
              ScopeHierarchyDependenciesSectionDescriptor(
                  project, graph, null, (scope.clazz as IntelliJClass).psiClass, scope)
          ScopeHierarchyTreeStructure(project, graph, descriptor)
        }
      }
    } else {
      val descriptor: HierarchyNodeDescriptor =
          ScopeHierarchySimpleDescriptor(project, graph, null, psiElement, LABEL_NO_SCOPE)
      return ScopeHierarchyTreeStructure(project, graph, descriptor)
    }
    return null
  }