Added tag tag1 for changeset 4c285537b335

2026-06-29 15:01:45 +03:00 · 2011-03-24 10:15:27 +02:00
commit 3c434a0d06
295 changed files with 71368 additions and 0 deletions
@@ -0,0 +1,135 @@
+/*
+  In App.xaml:
+  <Application.Resources>
+      <vm:ViewModelLocatorTemplate xmlns:vm="clr-namespace:MyFriendsAround.WP7.ViewModel"
+                                   x:Key="Locator" />
+  </Application.Resources>
+  
+  In the View:
+  DataContext="{Binding Source={StaticResource Locator}, Path=ViewModelName}"
+  
+  OR (WPF only):
+  
+  xmlns:vm="clr-namespace:MyFriendsAround.WP7.ViewModel"
+  DataContext="{Binding Source={x:Static vm:ViewModelLocatorTemplate.ViewModelNameStatic}}"
+*/
+
+namespace MyFriendsAround.WP7.ViewModel
+{
+    /// <summary>
+    /// This class contains static references to all the view models in the
+    /// application and provides an entry point for the bindings.
+    /// <para>
+    /// Use the <strong>mvvmlocatorproperty</strong> snippet to add ViewModels
+    /// to this locator.
+    /// </para>
+    /// <para>
+    /// In Silverlight and WPF, place the ViewModelLocatorTemplate in the App.xaml resources:
+    /// </para>
+    /// <code>
+    /// &lt;Application.Resources&gt;
+    ///     &lt;vm:ViewModelLocatorTemplate xmlns:vm="clr-namespace:MyFriendsAround.WP7.ViewModel"
+    ///                                  x:Key="Locator" /&gt;
+    /// &lt;/Application.Resources&gt;
+    /// </code>
+    /// <para>
+    /// Then use:
+    /// </para>
+    /// <code>
+    /// DataContext="{Binding Source={StaticResource Locator}, Path=ViewModelName}"
+    /// </code>
+    /// <para>
+    /// You can also use Blend to do all this with the tool's support.
+    /// </para>
+    /// <para>
+    /// See http://www.galasoft.ch/mvvm/getstarted
+    /// </para>
+    /// <para>
+    /// In <strong>*WPF only*</strong> (and if databinding in Blend is not relevant), you can delete
+    /// the Main property and bind to the ViewModelNameStatic property instead:
+    /// </para>
+    /// <code>
+    /// xmlns:vm="clr-namespace:MyFriendsAround.WP7.ViewModel"
+    /// DataContext="{Binding Source={x:Static vm:ViewModelLocatorTemplate.ViewModelNameStatic}}"
+    /// </code>
+    /// </summary>
+    public class ViewModelLocator
+    {
+        private static MainViewModel _main;
+
+        /// <summary>
+        /// Initializes a new instance of the ViewModelLocator class.
+        /// </summary>
+        public ViewModelLocator()
+        {
+            ////if (ViewModelBase.IsInDesignModeStatic)
+            ////{
+            ////    // Create design time view models
+            ////}
+            ////else
+            ////{
+            ////    // Create run time view models
+            ////}
+
+            CreateMain();
+        }
+
+        /// <summary>
+        /// Gets the Main property.
+        /// </summary>
+        public static MainViewModel MainStatic
+        {
+            get
+            {
+                if (_main == null)
+                {
+                    CreateMain();
+                }
+
+                return _main;
+            }
+        }
+
+        /// <summary>
+        /// Gets the Main property.
+        /// </summary>
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance",
+            "CA1822:MarkMembersAsStatic",
+            Justification = "This non-static member is needed for data binding purposes.")]
+        public MainViewModel Main
+        {
+            get
+            {
+                return MainStatic;
+            }
+        }
+
+        /// <summary>
+        /// Provides a deterministic way to delete the Main property.
+        /// </summary>
+        public static void ClearMain()
+        {
+            _main.Cleanup();
+            _main = null;
+        }
+
+        /// <summary>
+        /// Provides a deterministic way to create the Main property.
+        /// </summary>
+        public static void CreateMain()
+        {
+            if (_main == null)
+            {
+                _main = new MainViewModel();
+            }
+        }
+
+        /// <summary>
+        /// Cleans up all the resources.
+        /// </summary>
+        public static void Cleanup()
+        {
+            ClearMain();
+        }
+    }
+}