mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/View/VersionEditor.xaml.cs

   1 //----------------------------------------------------------------
   2 // <copyright company="Microsoft Corporation">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 //----------------------------------------------------------------
   6
   7 namespace System.Activities.Presentation.View
   8 {
   9     using System;
  10     using System.ComponentModel;
  11     using System.Diagnostics.CodeAnalysis;
  12     using System.Windows;
  13     using System.Windows.Controls;
  14
  15     internal partial class VersionEditor : UserControl, IVersionEditor
  16     {
  17         private static DependencyProperty versionProperty = DependencyProperty.Register("Version", typeof(Version), typeof(VersionEditor), new PropertyMetadata(new PropertyChangedCallback(VersionEditor.OnVersionChanged)));
  18         private static DependencyProperty viewModelProperty = DependencyProperty.Register("ViewModel", typeof(VersionEditorViewModel), typeof(VersionEditor));
  19
  20         [SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors",
  21             Justification = "This value must be set in contructor to ensure that ViewModel could be used")]
  22         public VersionEditor()
  23         {
  24             this.InitializeComponent();
  25             this.ViewModel = new VersionEditorViewModel(this);
  26             this.ViewModel.PropertyChanged += this.OnViewModelPropertyChanged;
  27         }
  28
  29         public static DependencyProperty VersionProperty
  30         {
  31             get { return versionProperty; }
  32         }
  33
  34         public Version Version
  35         {
  36             get { return (Version)GetValue(VersionProperty); }
  37             set { SetValue(VersionProperty, value); }
  38         }
  39
  40         private static DependencyProperty ViewModelProperty
  41         {
  42             get { return viewModelProperty; }
  43         }
  44
  45         private VersionEditorViewModel ViewModel
  46         {
  47             get { return (VersionEditorViewModel)GetValue(ViewModelProperty); }
  48             set { SetValue(ViewModelProperty, value); }
  49         }
  50
  51         void IVersionEditor.ShowErrorMessage(string message)
  52         {
  53             ErrorReporting.ShowErrorMessage(message);
  54         }
  55
  56         private static void OnVersionChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
  57         {
  58             ((VersionEditor)sender).OnVersionChanged(e);
  59         }
  60
  61         private void OnVersionChanged(DependencyPropertyChangedEventArgs e)
  62         {
  63             this.ViewModel.Version = (Version)e.NewValue;
  64         }
  65
  66         private void OnViewModelPropertyChanged(object sender, PropertyChangedEventArgs e)
  67         {
  68             if (e.PropertyName == "Version")
  69             {
  70                 this.Version = this.ViewModel.Version;
  71             }
  72         }
  73     }
  74 }