Using WPToolkit LongListSelector

1 files changed, 34 insertions, 6 deletions

diff --git a/Juick/ViewModels/ViewModelBase.cs b/Juick/ViewModels/ViewModelBase.cs
index 2427a80..80d3d8b 100644
--- a/Juick/ViewModels/ViewModelBase.cs
+++ b/Juick/ViewModels/ViewModelBase.cs
@@ -9,6 +9,10 @@ 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
 {
@@ -21,11 +25,14 @@ namespace Juick.ViewModels
         {
             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"; } }
 
+        public string SelectedId { get; set; }
+
         /// <summary>
         /// A collection for MessageViewModel objects.
         /// </summary>
@@ -33,6 +40,8 @@ namespace Juick.ViewModels
 
         public DelegateCommand LoadMessagesPageCommand { get; private set; }
 
+        public DelegateCommand NavigateNextCommand { get; private set; }
+
         public bool IsDataLoading
         {
             get { return isDataLoading; }
@@ -44,16 +53,36 @@ namespace Juick.ViewModels
             }
         }
 
+        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()
+        public void LoadData(object EventArgs)
         {
-            if (IsDataLoading) {
+            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;
+                }
+            }
 
-            const int PageSize = 1;
+            int count = Items.Count;
+            
 
             if (string.IsNullOrEmpty(RestUri))
             {
@@ -65,12 +94,12 @@ namespace Juick.ViewModels
             else if (RestUri.StartsWith("/home?", StringComparison.InvariantCulture) && Items.Count > 0)
             {
                 var lastItem = Items[Items.Count - 1];
-                RestUri = string.Format("/home?before_mid={0}&page={1}", lastItem.MID, PageSize);
+                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}&page={1}", lastItem.MID, PageSize);
+                RestUri = string.Format("/messages?before_mid={0}", lastItem.MID);
             }
 
             var request = new RestRequest(RestUri + "&rnd=" + Environment.TickCount);
@@ -90,7 +119,6 @@ namespace Juick.ViewModels
 
             //Items.Clear();
             response.Data.Select(x => new PostItem(x)).ToList().ForEach(i => Items.Add(i));
-            
         }