BExIS.Web.Shell.Areas.DCM.Controllers.FormController.LoadStepsBasedOnUsage C# (CSharp) Метод

        private StepInfo LoadStepsBasedOnUsage(BaseUsage usage, StepInfo current, string parentXpath, StepModelHelper parent)
        {
            // genertae action, controller base on usage
            string actionName = "";
            string childName = "";
            int min = usage.MinCardinality;

            if (usage is MetadataPackageUsage)
            {
                actionName = "SetMetadataPackageInstanze";
                childName = ((MetadataPackageUsage)usage).MetadataPackage.Name;
            }
            else
            {
                actionName = "SetMetadataCompoundAttributeInstanze";

                if (usage is MetadataNestedAttributeUsage)
                    childName = ((MetadataNestedAttributeUsage)usage).Member.Name;

                if (usage is MetadataAttributeUsage)
                    childName = ((MetadataAttributeUsage)usage).MetadataAttribute.Name;

            }

            List<StepInfo> list = new List<StepInfo>();
            List<StepModelHelper> stepHelperModelList = (List<StepModelHelper>)TaskManager.Bus[CreateTaskmanager.METADATA_STEP_MODEL_HELPER];

            if (TaskManager.Bus.ContainsKey(CreateTaskmanager.METADATA_XML))
            {
                XDocument xMetadata = (XDocument)TaskManager.Bus[CreateTaskmanager.METADATA_XML];

                //var x = new XElement("null");
                XElement parentXElement = new XElement("tmp");

                Dictionary<string, string> keyValueDic = new Dictionary<string, string>();
                keyValueDic.Add("id", usage.Id.ToString());

                if (usage is MetadataPackageUsage)
                {
                    keyValueDic.Add("type", BExIS.Xml.Helpers.XmlNodeType.MetadataPackageUsage.ToString());
                    //elements = XmlUtility.GetXElementsByAttribute(usage.Label, keyValueDic, xMetadata).ToList();
                    parentXElement = XmlUtility.GetXElementByXPath(parent.XPath, xMetadata);
                }
                else
                {
                    keyValueDic.Add("type", BExIS.Xml.Helpers.XmlNodeType.MetadataAttributeUsage.ToString());
                    //elements = XmlUtility.GetXElementsByAttribute(usage.Label, keyValueDic, xMetadata, parentXpath).ToList();
                    parentXElement = XmlUtility.GetXElementByXPath(parent.XPath, xMetadata);

                }

                //foreach (var x in elements)
                //{
                    XElement x = parentXElement;

                    if (x != null && !x.Name.Equals("null"))
                    {
                        IEnumerable<XElement> xelements = x.Elements();

                        if (xelements.Count() > 0)
                        {
                            int counter = 0;

                            XElement last = null;

                            foreach (XElement element in xelements)
                            {
                                // if the last has not the same name reset count
                                if (last != null && !last.Name.Equals(element.Name))
                                {
                                    counter = 0;
                                }

                                last = element;
                                counter++;
                                string title = counter.ToString(); //usage.Label+" (" + counter + ")";
                                long id = Convert.ToInt64((element.Attribute("roleId")).Value.ToString());

                                StepInfo s = new StepInfo(title)
                                {
                                    Id = TaskManager.GenerateStepId(),
                                    Parent = current,
                                    IsInstanze = true,
                                    HasContent = UsageHelper.HasUsagesWithSimpleType(usage),

                                    //GetActionInfo = new ActionInfo
                                    //{
                                    //    ActionName = actionName,
                                    //    ControllerName = "CreateSetMetadataPackage",
                                    //    AreaName = "DCM"
                                    //},

                                    //PostActionInfo = new ActionInfo
                                    //{
                                    //    ActionName = actionName,
                                    //    ControllerName = "CreateSetMetadataPackage",
                                    //    AreaName = "DCM"
                                    //}
                                };

                                string xPath = parentXpath + "//" + childName.Replace(" ", string.Empty) + "[" + counter + "]";

                                if (TaskManager.Root.Children.Where(z => z.title.Equals(title)).Count() == 0)
                                {
                                    StepModelHelper newStepModelHelper = new StepModelHelper(s.Id, counter, usage, xPath,
                                        parent);
                                    stepHelperModelList.Add(newStepModelHelper);
                                    s.Children = GetChildrenStepsFromMetadata(usage, s, xPath, newStepModelHelper);

                                    current.Children.Add(s);
                                }

                            }
                        }
                    }
                //}

                //TaskManager.AddToBus(CreateDatasetTaskmanager.METADATAPACKAGE_IDS, MetadataPackageDic);
            }
            return current;
        }