Validar inserção de participantes duplicados

netponto · Aug 23, 2012 · e4e934e · e4e934e
1 parent f5679bb
commit e4e934e
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Showing 3 changed files with 26 additions and 14 deletions.
diff --git a/src/SilverlightApp/MainPage.xaml b/src/SilverlightApp/MainPage.xaml
@@ -9,7 +9,7 @@
              xmlns:SorteioViews="clr-namespace:SilverlightApp.Views"
              DataContext="{StaticResource ViewModel}"
              d:DesignHeight="600"
-             d:DesignWidth="800">
+             d:DesignWidth="800" Loaded="UserControl_Loaded">
     <UserControl.Resources>
         <con:BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
     </UserControl.Resources>
@@ -54,7 +54,7 @@
         </StackPanel>
 
         <Grid Grid.Row="2" Margin="0,36,0,0">
-            <SorteioViews:Participantes x:Name="viewParticipantes" Visibility="{Binding ElementName=Participantes, Path=IsChecked, Converter={StaticResource BooleanToVisibilityConverter}}" Loaded="viewParticipantes_Loaded" />
+            <SorteioViews:Participantes x:Name="viewParticipantes" Visibility="{Binding ElementName=Participantes, Path=IsChecked, Converter={StaticResource BooleanToVisibilityConverter}}"/>
             <SorteioViews:Sorteio x:Name="viewSorteio" Visibility="{Binding ElementName=Sorteio, Path=IsChecked, Converter={StaticResource BooleanToVisibilityConverter}}"/>
         </Grid>
 

diff --git a/src/SilverlightApp/MainPage.xaml.cs b/src/SilverlightApp/MainPage.xaml.cs
@@ -13,7 +13,7 @@ namespace SilverlightApp
 {
     public partial class MainPage : UserControl
     {
-        
+
         #region Fields
         private List<string> _participantes = new List<string> 
         {
@@ -78,9 +78,9 @@ private void Sorteio_Checked(object sender, RoutedEventArgs e)
             }
         }
 
-        private void viewParticipantes_Loaded(object sender, RoutedEventArgs e)
+        private void UserControl_Loaded(object sender, RoutedEventArgs e)
         {
-
+            this.viewParticipantes.LerParticipantes();
         }
 
 

diff --git a/src/SilverlightApp/Views/Participantes.xaml.cs b/src/SilverlightApp/Views/Participantes.xaml.cs
@@ -47,10 +47,18 @@ private void RemoveParticipant_Click(object sender, RoutedEventArgs e)
 
         private void AddParticipant_Click(object sender, RoutedEventArgs e)
         {
-            // valdiate there's text
+            // validate there's text
             if (String.IsNullOrEmpty(NewParticipant.Text))
                 return;
 
+            // validate that the participant doesn't get duplicated
+            var alreadyExists = ParticipantsList.Items.Where(p => string.Compare(p as string, NewParticipant.Text, StringComparison.CurrentCultureIgnoreCase) == 0).Count();
+            if (alreadyExists > 0)
+            {
+                // TODO: should show some kind of message
+                return;
+            }
+
             // add new participant
             ParticipantsList.Items.Add(NewParticipant.Text);
         }
@@ -63,12 +71,12 @@ private void Ler_Click(object sender, RoutedEventArgs e)
 
             if (dialog.ShowDialog().Value)
             {
-                this.PreencherParticipante(dialog.File);
+                this.PreencherParticipantes(dialog.File);
             }
         }
         #endregion
 
-        private void PreencherParticipante(FileInfo file)
+        private void PreencherParticipantes(FileInfo file)
         {
             // clear the participants list
             ParticipantsList.Items.Clear();
@@ -87,13 +95,17 @@ private void PreencherParticipante(FileInfo file)
             }
         }
 
-        public void LerParticipantes(string path)
+        public void LerParticipantes()
         {
-            var file = new FileInfo(path);
-            if (file.Exists)
-            {
-                this.PreencherParticipante(file);
-            }
+            // TODO: ler participantes no arranque
+            // Silverlight não permite aceder diretamente aos ficheiros, poderá ser utilizado o IsolatedStorage
+            // http://blogs.silverlight.net/blogs/msnow/archive/2008/07/16/tip-of-the-day-19-using-isolated-storage.aspx
+            //var path = @"Data\Participantes.txt";
+            //var file = new FileInfo(path);
+            //if (file.Exists)
+            //{
+            //    this.PreencherParticipantes(file);
+            //}
         }