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Module.cs
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using System.ComponentModel;
using DevExpress.ExpressApp;
using DevExpress.ExpressApp.DC;
using DevExpress.Persistent.Base;
using DevExpress.ExpressApp.Model;
using DevExpress.ExpressApp.Actions;
using DevExpress.ExpressApp.Editors;
using DevExpress.ExpressApp.Updating;
using DevExpress.ExpressApp.Model.Core;
using DevExpress.ExpressApp.Model.DomainLogics;
using DevExpress.ExpressApp.Model.NodeGenerators;
using dxTestSolution.Module.DatabaseUpdate;
using DXExample.Module;
using System.Collections;
namespace CustomAttributeSolution.Module;
// For more typical usage scenarios, be sure to check out https://docs.devexpress.com/eXpressAppFramework/DevExpress.ExpressApp.ModuleBase.
public sealed class CustomAttributeSolutionModule : ModuleBase {
public CustomAttributeSolutionModule() {
//
// CustomAttributeSolutionModule
//
RequiredModuleTypes.Add(typeof(DevExpress.ExpressApp.SystemModule.SystemModule));
RequiredModuleTypes.Add(typeof(DevExpress.ExpressApp.Objects.BusinessClassLibraryCustomizationModule));
}
public override IEnumerable<ModuleUpdater> GetModuleUpdaters(IObjectSpace objectSpace, Version versionFromDB) {
ModuleUpdater updater = new DatabaseUpdate.Updater(objectSpace, versionFromDB);
return new ModuleUpdater[] { updater, new MyUpdater(objectSpace, versionFromDB) };
}
public override void Setup(XafApplication application) {
base.Setup(application);
// Manage various aspects of the application UI and behavior at the module level.
}
public override void ExtendModelInterfaces(DevExpress.ExpressApp.Model.ModelInterfaceExtenders extenders) {
base.ExtendModelInterfaces(extenders);
extenders.Add<IModelMember, IRemovedFromViewModel>();
}
public override void AddGeneratorUpdaters(ModelNodesGeneratorUpdaters updaters) {
base.AddGeneratorUpdaters(updaters);
updaters.Add(new ViewsNodesGeneratorUpdater());
}
public override void CustomizeLogics(CustomLogics customLogics) {
base.CustomizeLogics(customLogics);
customLogics.RegisterLogic(typeof(IRemovedFromViewModel), typeof(RemovedFromViewInfoLogic));
}
}
[DomainLogic(typeof(RemovedFromViewInfoLogic))]
public interface IRemovedFromViewModel {
bool IsRemovedFromViewModel { get; }
}
public class RemovedFromViewInfoLogic {
public static bool Get_IsRemovedFromViewModel(IRemovedFromViewModel instance) {
RemoveFromViewModelAttribute attr = ((IModelMember)instance).MemberInfo.FindAttribute<RemoveFromViewModelAttribute>();
if (attr != null) {
return attr.IsPropertyRemoved;
} else {
return false;
}
}
}
public class ViewsNodesGeneratorUpdater : ModelNodesGeneratorUpdater<ModelViewsNodesGenerator> {
public override void UpdateNode(ModelNode node) {
foreach (IModelView view in (IModelViews)node) {
ArrayList itemsToRemove = new ArrayList();
if (view is IModelDetailView) {
foreach (IModelViewItem item in ((IModelDetailView)view).Items) {
if (item is IModelMemberViewItem) {
IRemovedFromViewModel member = ((IModelMemberViewItem)item).ModelMember as IRemovedFromViewModel;
if (member != null && member.IsRemovedFromViewModel) {
itemsToRemove.Add(item);
}
}
}
}
if (view is IModelListView) {
foreach (IModelColumn column in ((IModelListView)view).Columns) {
IRemovedFromViewModel member = column.ModelMember as IRemovedFromViewModel;
if (member != null && member.IsRemovedFromViewModel) {
itemsToRemove.Add(column);
}
}
}
foreach (IModelNode item in itemsToRemove) {
item.Remove();
}
if (view is IModelDetailView && itemsToRemove.Count > 0) {
IModelViewLayout layoutModel = ((IModelDetailView)view).Layout;
layoutModel[0].Remove();
new ModelDetailViewLayoutNodesGenerator().GenerateNodes((ModelNode)layoutModel);
}
}
}
}