Add Outlook Inspired and Stock Market demos

2026-01-03 23:34:14 +00:00 · 2018-12-13 18:49:44 +03:00
parent b5cab35919
commit 2e45b5d38f
833 changed files with 124450 additions and 47 deletions
--- a/OutlookInspiredApp/DevExpress.OutlookInspiredApp/ViewModels/ReportViewModelBase.cs
+++ b/OutlookInspiredApp/DevExpress.OutlookInspiredApp/ViewModels/ReportViewModelBase.cs
@@ -0,0 +1,84 @@
+namespace DevExpress.DevAV.ViewModels {
+    using System;
+    using DevExpress.Mvvm.DataModel;
+    using DevExpress.DevAV.Common.ViewModel;
+    using DevExpress.Mvvm;
+
+    public abstract class ReportViewModelBase {
+        protected internal abstract bool IsLoaded { get; }
+        protected internal abstract void OnReload();
+    }
+    public abstract class ReportViewModelBase<TReportType> : ReportViewModelBase, ISupportParameter
+        where TReportType : struct {
+        public virtual TReportType ReportType { get; set; }
+        protected virtual void OnReportTypeChanged() {
+            if(IsLoaded) RaiseReportTypeChanged();
+        }
+        public event EventHandler ReportTypeChanged;
+        void RaiseReportTypeChanged() {
+            EventHandler handler = ReportTypeChanged;
+            if(handler != null)
+                handler(this, EventArgs.Empty);
+        }
+        #region ISupportParameter
+        object ISupportParameter.Parameter {
+            get { return ReportType; }
+            set {
+                ReportType = (TReportType)value;
+                OnParameterChanged();
+            }
+        }
+        protected virtual void OnParameterChanged() { }
+        #endregion
+    }
+    //
+    public class ReportViewModelBase<TReportType, TEntity, TPrimaryKey, TUnitOfWork> : ReportViewModelBase<TReportType>
+        where TReportType : struct
+        where TEntity : class
+        where TUnitOfWork : class, IUnitOfWork {
+        protected override void OnParameterChanged() {
+            base.OnParameterChanged();
+            CheckReportEntityKey();
+        }
+        public virtual object ReportEntityKey { get; set; }
+        protected virtual void OnReportEntityKeyChanged() {
+            RaiseReportEntityKeyChanged();
+        }
+        public event EventHandler ReportEntityKeyChanged;
+        protected internal override void OnReload() {
+            if(!IsLoaded) return;
+            CheckReportEntityKey();
+            RaiseReload();
+        }
+        public event EventHandler Reload;
+        bool isLoadedCore;
+        protected internal override bool IsLoaded {
+            get { return isLoadedCore; }
+        }
+        public void OnLoad() {
+            CheckReportEntityKey();
+            isLoadedCore = true;
+        }
+        void CheckReportEntityKey() {
+            var collectionViewModel = GetCollectionViewModel();
+            if(collectionViewModel != null)
+                ReportEntityKey = collectionViewModel.SelectedEntityKey;
+        }
+        protected CollectionViewModel<TEntity, TPrimaryKey, TUnitOfWork> GetCollectionViewModel() {
+            ISupportParentViewModel supportParent = this as ISupportParentViewModel;
+            if(supportParent != null)
+                return supportParent.ParentViewModel as CollectionViewModel<TEntity, TPrimaryKey, TUnitOfWork>;
+            return null;
+        }
+        void RaiseReportEntityKeyChanged() {
+            EventHandler handler = ReportEntityKeyChanged;
+            if(handler != null)
+                handler(this, EventArgs.Empty);
+        }
+        void RaiseReload() {
+            EventHandler handler = Reload;
+            if(handler != null)
+                handler(this, EventArgs.Empty);
+        }
+    }
+}