Add Outlook Inspired and Stock Market demos

2026-01-04 15:56:04 +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/MailMergeViewModelBase.cs
+++ b/OutlookInspiredApp/DevExpress.OutlookInspiredApp/ViewModels/MailMergeViewModelBase.cs
@@ -0,0 +1,78 @@
+namespace DevExpress.DevAV.ViewModels {
+    using System;
+    using System.ComponentModel;
+    using DevExpress.Mvvm;
+    using DevExpress.Mvvm.POCO;
+
+    public abstract class MailMergeViewModelBase<TMailTemplate> : ISupportParameter, IDocumentContent
+        where TMailTemplate : struct {
+        public virtual TMailTemplate? MailTemplate { get; set; }
+        protected virtual void OnMailTemplateChanged() {
+            RaiseMailTemplateChanged();
+        }
+        public virtual bool IsMailTemplateSelected { get; set; }
+        protected virtual void OnIsMailTemplateSelectedChanged() {
+            RaiseMailTemplateSelectedChanged();
+        }
+        object ISupportParameter.Parameter {
+            get { return MailTemplate; }
+            set {
+                IsMailTemplateSelected = value is TMailTemplate;
+                if(IsMailTemplateSelected)
+                    MailTemplate = (TMailTemplate)value;
+                else MailTemplate = null;
+            }
+        }
+        public event EventHandler MailTemplateChanged;
+        public event EventHandler MailTemplateSelectedChanged;
+        void RaiseMailTemplateChanged() {
+            EventHandler handler = MailTemplateChanged;
+            if(handler != null)
+                handler(this, EventArgs.Empty);
+        }
+        void RaiseMailTemplateSelectedChanged() {
+            EventHandler handler = MailTemplateSelectedChanged;
+            if(handler != null)
+                handler(this, EventArgs.Empty);
+        }
+        protected IMessageBoxService MessageBoxService { get { return this.GetService<IMessageBoxService>(); } }
+        public bool Modified { get; set; }
+        [DevExpress.Mvvm.DataAnnotations.Command]
+        public bool Close() {
+            MessageResult result = MessageResult.Yes;
+            if(Modified) {
+                if(MessageBoxService != null) {
+                    result = MessageBoxService.Show("Do you want to save changes?", "Mail Merge",
+                        MessageButton.YesNoCancel,
+                        MessageIcon.Question,
+                        MessageResult.Yes);
+                    if(result == MessageResult.Yes)
+                        RaiseSave();
+                }
+            }
+            if(result != MessageResult.Cancel && DocumentOwner != null)
+                DocumentOwner.Close(this);
+            return result != MessageResult.Cancel;
+        }
+        public event EventHandler Save;
+        void RaiseSave() {
+            EventHandler handler = Save;
+            if(handler != null)
+                handler(this, EventArgs.Empty);
+        }
+        protected IDocumentOwner DocumentOwner { get; private set; }
+        #region IDocumentContent
+        object IDocumentContent.Title {
+            get { return "Mail Merge"; }
+        }
+        void IDocumentContent.OnClose(CancelEventArgs e) {
+            e.Cancel = !Close();
+        }
+        void IDocumentContent.OnDestroy() { }
+        IDocumentOwner IDocumentContent.DocumentOwner {
+            get { return DocumentOwner; }
+            set { DocumentOwner = value; }
+        }
+        #endregion
+    }
+}