CDP4CommonView.PrefixedUnitDialogViewModel.PopulatePossibleContainer C# (CSharp) Method

        private void PopulatePossibleContainer()
        {
            this.PossibleContainer.Clear();
            // When creating a new Rule, it can be contained by any ReferenceDataLibrary that is currently loaded
            if (this.dialogKind == ThingDialogKind.Create)
            {
                this.PossibleContainer.AddRange(this.Session.OpenReferenceDataLibraries.Where(x => this.PermissionService.CanWrite(x)).Select(x => x.Clone(false)));
                this.Container = this.PossibleContainer.FirstOrDefault();
                return;
            }

            // When inspecting an existing Rule, only it's container needs to be added to the PossibleContainer property (it cannot be changed)
            if (this.dialogKind == ThingDialogKind.Inspect)
            {
                this.PossibleContainer.Add(this.Thing.Container);
                this.Container = this.Thing.Container;
                return;
            }

            // When updating a Rule, the possible ReferenceDataLibrary can only be the ReferenceDataLibrary in the current chain of ReferenceDataLibrary of the Rule
            if (this.dialogKind == ThingDialogKind.Update)
            {
                var containerRdl = (ReferenceDataLibrary)this.Container;
                this.PossibleContainer.Add(containerRdl);
                var chainOfRdls = containerRdl.GetRequiredRdls();
                this.PossibleContainer.AddRange(chainOfRdls.Where(x => this.PermissionService.CanWrite(x)).Select(x => x.Clone(false)));
            }
        }