Modificado NewQuestionViewModel y la vista

inutralia/inutralia/ViewModels/QuestionsSpecialist/NewQuestionViewModel.cs

@@ -6,7 +6,7 @@ using System.Net.Http;
 using System.Threading.Tasks;
 using Xamarin.Forms;
 
-namespace inutralia.ViewModels.QuestionsSpecialist
+namespace inutralia.ViewModels
 {
     public class NewQuestionViewModel : BaseNavigationViewModel
     {
@@ -71,7 +71,7 @@ namespace inutralia.ViewModels.QuestionsSpecialist
             if (await App.API.RefreshItemAsync(QuestionSpecialist))
             {
                 Title = QuestionSpecialist.StatusImg;
-                OnPropertyChanged("Status");
+                OnPropertyChanged("State");
             }
 
             IsBusy = false;
@@ -86,7 +86,7 @@ namespace inutralia.ViewModels.QuestionsSpecialist
         {
             ///Realiza el procesp de actualización si hay menos
             ///de un elemento en el listado
-            //if (QuestionSpecialist.Messages.Count() < 1)
+            if (QuestionSpecialist.Messages.Count() < 1)
             await FetchQuestions();
         }
 
@@ -102,7 +102,7 @@ namespace inutralia.ViewModels.QuestionsSpecialist
         /// <summary>
         /// Proceso de ejecución del comando de actualización del listado
         /// </summary>
-        async Task ExecuteRefreshQuestionMessagesCommand()
+        public async Task ExecuteRefreshQuestionMessagesCommand()
         {
             try
             {
@@ -142,6 +142,9 @@ namespace inutralia.ViewModels.QuestionsSpecialist
                 string err = e.Message;
                 NewQuestion.Clear();
             }
+
+            // Indicamos que ya no estámos ocupados (provoca que desaparezca el indicador de carga)
+            IsBusy = false;
         }
 
         ///<summary>
@@ -205,7 +208,7 @@ namespace inutralia.ViewModels.QuestionsSpecialist
             else
             {
                 QuestionMessage msg;
-                if (q.State == QuestionSpecialist.Estatus.Pending)
+                if (q.State == QuestionSpecialist.Estatus.Closed)
                 {
                     //Edit last Message
                     msg = q.Messages.Last();

inutralia/inutralia/Views/Question/NewConsultationView.xaml.cs

-using Xamarin.Forms;
+using System;
+using System.Linq;
+using inutralia.Models;
+using inutralia.ViewModels;
+using Xamarin.Forms;
 using Xamarin.Forms.Xaml;
 
 namespace inutralia.Views.Question
@@ -6,9 +10,80 @@ namespace inutralia.Views.Question
     [XamlCompilation(XamlCompilationOptions.Compile)]
     public partial class NewConsultationView : ContentPage
     {
+        protected NewQuestionViewModel ViewModel => BindingContext as NewQuestionViewModel;
+
         public NewConsultationView()
         {
             InitializeComponent();
+            newQuest.IsEnabled = true;
+            buttonNewQuestion.IsEnabled = false;
+
+            buttonNewQuestion.Clicked += ButtonNewQuestion_Clicked;
+        }
+
+        //protected override void OnBindingContextChanged()
+        //{
+        //    base.OnBindingContextChanged();
+        //    ViewModel.PropertyChanged += ViewModel_PropertyChanged;
+        //}
+
+        //private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
+        //{
+        //    OnDataRefreshed();
+        //}
+
+        private async void ButtonNewQuestion_Clicked(object sender, EventArgs e)
+        {
+            if (String.IsNullOrWhiteSpace(newQuest.Text))
+            {
+                newQuest.Text = "";
+                return;
+            }
+
+            await ViewModel.SaveQuestion(newQuest.Text);
+            listNewConsultation.SelectedItem = null;
+            //OnDataRefreshed();
         }
+
+        ///// <summary>
+        ///// Método llamado cada vez que una página pasa a ser visible
+        ///// </summary>
+        protected override async void OnAppearing()
+        {
+            base.OnAppearing();
+            //await ViewModel.RefreshData();
+            //OnDataRefreshed();
+        }
+
+        ///// <summary>
+        ///// Método llamado al hacer tap en un elemento de la lista. Navega a la página de detalle
+        ///// de la notificación seleccionada
+        ///// </summary>
+        ///// <param name="sender">La ListiView</param>
+        ///// <param name="e">Argumentos del evento</param>
+        void ItemTapped(object sender, ItemTappedEventArgs e)
+        {
+            if (e == null) return; // has been set to null, do not 'process' tapped event
+
+            QuestionMessage item = (QuestionMessage)e.Item;
+            if (ViewModel.NewQuestion.Last() == item && item.FromUser)
+            {
+                buttonNewQuestion.IsEnabled = true;
+                newQuest.IsEnabled = true;
+                newQuest.Text = item.Text;
+            }
+            else
+            {
+                ((ListView)sender).SelectedItem = null; // de-select the row
+            }
+        }
+
+        //private void OnDataRefreshed()
+        //{
+        //    newQuest.Text = "";
+        //    newQuest.IsEnabled = !(ViewModel.IsCloseOrPending);
+        //    newQuest.Placeholder = (ViewModel.IsCloseOrPending) ? ((ViewModel.QuestionSpecialist.State == QuestionSpecialist.Estatus.Closed) ? "La pregunta está cerrada" : "Esperando respuesta") : "Realiza una pregunta";
+        //    buttonNewQuestion.IsEnabled = !(ViewModel.IsCloseOrPending);
+        //}
     }
 }
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