yavsc/ZicMoove/ZicMoove/Pages/WorkflowPage.xaml.cs

using Xamarin.Forms;

namespace ZicMoove.Pages
{
    using Data;
    using ViewModels;
    using ViewModels.EstimateAndBilling;
    public partial class WorkflowPage 
    {
        public WorkflowPage()
        {
            InitializeComponent();
        }

        public WorkflowPage(WorkflowViewModel model)
        {
            BindingContext = model;
        }

        public WorkflowViewModel Model {
            get {
                return (WorkflowViewModel) BindingContext;
            }
            set
            {
                BindingContext = value;
            }
        }

        protected override void OnBindingContextChanged()
        {
            // this technique make this view model
            // non-sharable between view or pages
            if (Model != null)
            {
                // set the refresh command before using it
                Model.BookQueries.RefreshQueries =
                    new Command(() =>
                    {
                        DataManager.Instance.BookQueries.Execute(null);
                        this.querylist.EndRefresh();
                    });
            }
            // Use the new refresh command
            base.OnBindingContextChanged();

        }

        private void OnViewBookQueryDetail(object sender, ItemTappedEventArgs e)
        {
            var item = e.Item as BookQueryViewModel;
            App.NavigationService.NavigateTo<BookQueryPage>(true, item);
        }
    }
}