AppViewModel

4 files changed, 192 insertions, 115 deletions

diff --git a/Juick/ViewModels/AppViewModel.cs b/Juick/ViewModels/AppViewModel.cs
new file mode 100644
index 0000000..5d22cab
--- /dev/null
+++ b/Juick/ViewModels/AppViewModel.cs
@@ -0,0 +1,67 @@
+using System;
+using System.Net;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Documents;
+using System.Windows.Ink;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+using System.Windows.Shapes;
+using System.Collections.ObjectModel;
+using Juick.Classes;
+using RestSharp;
+
+namespace Juick.ViewModels
+{
+    public class AppViewModel : ViewModelBase
+    {
+        private ObservableCollection<PageViewModel> _pages;
+        public ObservableCollection<PageViewModel> Pages 
+        {
+            get 
+            {
+                if (_pages == null)
+                    _pages = new ObservableCollection<PageViewModel>();
+                return _pages;
+            }            
+        }
+
+        static readonly string IsDataLoadingPropertyName = ExpressionHelper.GetPropertyName<AppViewModel>(x => x.IsDataLoading);
+        bool isDataLoading;
+
+        public bool IsDataLoading
+        {
+            get { return isDataLoading; }
+            set
+            {
+                isDataLoading = value;
+                NotifyPropertyChanged(IsDataLoadingPropertyName);
+                foreach (var page in Pages)
+                {
+                    page.LoadMessagesPageCommand.NotifyCanExecuteChanged();
+                }
+            }
+        }
+
+        private AccountManager _acc;
+
+        public AccountManager Account
+        {
+            get { return _acc ?? (_acc = new AccountManager()); }
+        }
+
+        private RestClient _cl;
+        public RestClient Client
+        {
+            get
+            {
+                return _cl ?? (_cl = new RestClient("http://api.juick.com")
+                {
+                    UserAgent = "Juick 1.1/Windows Phone " + Environment.OSVersion.Version
+                });
+            }
+        }
+
+    }
+}
diff --git a/Juick/ViewModels/PageViewModel.cs b/Juick/ViewModels/PageViewModel.cs
new file mode 100644
index 0000000..9b9cae5
--- /dev/null
+++ b/Juick/ViewModels/PageViewModel.cs
@@ -0,0 +1,111 @@
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Net;
+using System.Windows;
+using System.Windows.Media.Imaging;
+using Juick.Classes;
+using JuickApi;
+using RestSharp;
+using System.Diagnostics;
+using System.Windows.Navigation;
+using Microsoft.Phone.Controls;
+using System.Windows.Controls;
+
+namespace Juick.ViewModels
+{
+    public class PageViewModel : ViewModelBase
+    {
+        public PageViewModel(AppViewModel context)
+        {
+            this.context = context;
+            Items = new ObservableCollection<PostItem>();
+            LoadMessagesPageCommand = new DelegateCommand(LoadData, () => !context.IsDataLoading);
+            NavigateNextCommand = new DelegateCommand(NavigateToThread, () => true);
+        }
+
+        private AppViewModel context;
+
+        public string RestUri { get; set; }
+        public virtual string Caption { get { return "juick"; } }
+
+        /// <summary>
+        /// A collection for MessageViewModel objects.
+        /// </summary>
+        public ObservableCollection<PostItem> Items { get; private set; }
+
+        public DelegateCommand LoadMessagesPageCommand { get; private set; }
+
+        public DelegateCommand NavigateNextCommand { get; private set; }
+
+        public void NavigateToThread(object param)
+        {
+            var selectionChangedEventArgs = param as SelectionChangedEventArgs;
+            if (param != null)
+            {
+                ((App)App.Current).NavigateTo(new Uri(string.Format("/ThreadView.xaml?mid={0}", ((PostItem)selectionChangedEventArgs.AddedItems[0]).MID), UriKind.Relative));
+            }
+            
+        }
+
+        /// <summary>
+        /// Creates and adds a few MessageViewModel objects into the Items collection.
+        /// </summary>
+        public void LoadData(object EventArgs)
+        {
+            const int offset = 5;
+            if (context.IsDataLoading)
+            {
+                return;
+            }
+            if (EventArgs != null)
+            {
+                var item = (EventArgs as LinkUnlinkEventArgs).ContentPresenter.Content;
+                if (!item.Equals(Items[Items.Count - offset])) {
+                    return;
+                }
+            }
+
+            int count = Items.Count;
+            
+
+            if (string.IsNullOrEmpty(RestUri))
+            {
+                RestUri = "/home?1=1";
+            }
+
+            // super-костыли
+            // todo: rewrite
+            else if (RestUri.StartsWith("/home?", StringComparison.InvariantCulture) && Items.Count > 0)
+            {
+                var lastItem = Items[Items.Count - 1];
+                RestUri = string.Format("/home?before_mid={0}", lastItem.MID);
+            }
+            else if (RestUri.StartsWith("/messages?", StringComparison.InvariantCulture) && Items.Count > 0)
+            {
+                var lastItem = Items[Items.Count - 1];
+                RestUri = string.Format("/messages?before_mid={0}", lastItem.MID);
+            }
+
+            var request = new RestRequest(RestUri + "&rnd=" + Environment.TickCount);
+            context.Client.Authenticator = new HttpBasicAuthenticator(context.Account.Credentials.UserName, context.Account.Credentials.Password);
+            context.Client.ExecuteAsync<List<Message>>(request, ProcessResponse);
+            context.IsDataLoading = true;
+        }
+
+        void ProcessResponse(IRestResponse<List<Message>> response)
+        {
+            context.IsDataLoading = false;
+            if (response.StatusCode != HttpStatusCode.OK)
+            {
+                MessageBox.Show(response.StatusCode.ToString());
+                return;
+            }
+
+            //Items.Clear();
+            response.Data.Select(x => new PostItem(x)).ToList().ForEach(i => Items.Add(i));
+        }
+    }
+}
diff --git a/Juick/ViewModels/ThreadViewModel.cs b/Juick/ViewModels/ThreadViewModel.cs
index 1cbaab7..c004851 100644
--- a/Juick/ViewModels/ThreadViewModel.cs
+++ b/Juick/ViewModels/ThreadViewModel.cs
@@ -2,8 +2,13 @@
 

 namespace Juick.ViewModels

 {

-    public class ThreadViewModel : ViewModelBase

+    public class ThreadViewModel : PageViewModel

     {

+        public ThreadViewModel(AppViewModel context) : base(context)

+        {

+            

+        }

+

         static readonly string CaptionPropertyName = ExpressionHelper.GetPropertyName<ThreadViewModel>(x => x.Caption);

 

         private int _mid;

diff --git a/Juick/ViewModels/ViewModelBase.cs b/Juick/ViewModels/ViewModelBase.cs
index 746ce04..9ac3023 100644
--- a/Juick/ViewModels/ViewModelBase.cs
+++ b/Juick/ViewModels/ViewModelBase.cs
@@ -1,127 +1,21 @@
 using System;
-using System.Linq;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.ComponentModel;
 using System.Net;
 using System.Windows;
-using System.Windows.Media.Imaging;
-using Juick.Classes;
-using JuickApi;
-using RestSharp;
-using System.Diagnostics;
-using System.Windows.Navigation;
-using Microsoft.Phone.Controls;
 using System.Windows.Controls;
+using System.Windows.Documents;
+using System.Windows.Ink;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+using System.Windows.Shapes;
+using System.ComponentModel;
+using Juick.Classes;
 
 namespace Juick.ViewModels
 {
     public class ViewModelBase : INotifyPropertyChanged
     {
-        static readonly string IsDataLoadingPropertyName = ExpressionHelper.GetPropertyName<ViewModelBase>(x => x.IsDataLoading);
-        bool isDataLoading;
-
-        public ViewModelBase()
-        {
-            Items = new ObservableCollection<PostItem>();
-            LoadMessagesPageCommand = new DelegateCommand(LoadData, () => !IsDataLoading);
-            NavigateNextCommand = new DelegateCommand(NavigateToThread, () => true);
-        }
-
-        public string RestUri { get; set; }
-        public virtual string Caption { get { return "juick"; } }
-
-        /// <summary>
-        /// A collection for MessageViewModel objects.
-        /// </summary>
-        public ObservableCollection<PostItem> Items { get; private set; }
-
-        public DelegateCommand LoadMessagesPageCommand { get; private set; }
-
-        public DelegateCommand NavigateNextCommand { get; private set; }
-
-        public bool IsDataLoading
-        {
-            get { return isDataLoading; }
-            set
-            {
-                isDataLoading = value;
-                NotifyPropertyChanged(IsDataLoadingPropertyName);
-                LoadMessagesPageCommand.NotifyCanExecuteChanged();
-            }
-        }
-
-        public void NavigateToThread(object param)
-        {
-            var selectionChangedEventArgs = param as SelectionChangedEventArgs;
-            if (param != null)
-            {
-                ((App)App.Current).NavigateTo(new Uri(string.Format("/ThreadView.xaml?mid={0}", ((PostItem)selectionChangedEventArgs.AddedItems[0]).MID), UriKind.Relative));
-            }
-            
-        }
-
-        /// <summary>
-        /// Creates and adds a few MessageViewModel objects into the Items collection.
-        /// </summary>
-        public void LoadData(object EventArgs)
-        {
-            const int offset = 5;
-            if (IsDataLoading)
-            {
-                return;
-            }
-            if (EventArgs != null)
-            {
-                var item = (EventArgs as LinkUnlinkEventArgs).ContentPresenter.Content;
-                if (!item.Equals(Items[Items.Count - offset])) {
-                    return;
-                }
-            }
-
-            int count = Items.Count;
-            
-
-            if (string.IsNullOrEmpty(RestUri))
-            {
-                RestUri = "/home?1=1";
-            }
-
-            // super-костыли
-            // todo: rewrite
-            else if (RestUri.StartsWith("/home?", StringComparison.InvariantCulture) && Items.Count > 0)
-            {
-                var lastItem = Items[Items.Count - 1];
-                RestUri = string.Format("/home?before_mid={0}", lastItem.MID);
-            }
-            else if (RestUri.StartsWith("/messages?", StringComparison.InvariantCulture) && Items.Count > 0)
-            {
-                var lastItem = Items[Items.Count - 1];
-                RestUri = string.Format("/messages?before_mid={0}", lastItem.MID);
-            }
-
-            var request = new RestRequest(RestUri + "&rnd=" + Environment.TickCount);
-            App.Client.Authenticator = new HttpBasicAuthenticator(App.Account.Credentials.UserName, App.Account.Credentials.Password);
-            App.Client.ExecuteAsync<List<Message>>(request, ProcessResponse);
-            IsDataLoading = true;
-        }
-
-        void ProcessResponse(IRestResponse<List<Message>> response)
-        {
-            IsDataLoading = false;
-            if (response.StatusCode != HttpStatusCode.OK)
-            {
-                MessageBox.Show(response.StatusCode.ToString());
-                return;
-            }
-
-            //Items.Clear();
-            response.Data.Select(x => new PostItem(x)).ToList().ForEach(i => Items.Add(i));
-        }
-
-
         public event PropertyChangedEventHandler PropertyChanged;
-
         public void NotifyPropertyChanged(string propertyName)
         {
             if (PropertyChanged != null)