ilyalehchylin/educats-xamarin

using EduCATS.Controls.Pickers;
using EduCATS.Controls.RoundedListView;
using EduCATS.Helpers.Forms;
using EduCATS.Pages.Parental.FindGroup.Models;
using EduCATS.Pages.Statistics.Base.Views.ViewCells;
using EduCATS.Themes;
using Xamarin.Forms;

namespace EduCATS.Pages.Parental.Statistics
{
    class ParentalStatsPageView : ContentPage
    {
        static Thickness _padding = new Thickness(10, 1, 10, 1);
        static Thickness _headerPadding = new Thickness(0, 10, 0, 10);

        public ParentalStatsPageView(GroupInfo group)
        {
            NavigationPage.SetHasNavigationBar(this, false);
            BackgroundColor = Color.FromHex(Theme.Current.AppBackgroundColor);
            Padding = _padding;
            var parentalsStatsPageViewModel = new ParentalsStatsPageViewModel(new PlatformServices(), group);
            parentalsStatsPageViewModel.Init();
            BindingContext = parentalsStatsPageViewModel;
            createViews();
        }

        void createViews()
        {
            var headerView = createHeaderView();
            var roundedListView = createRoundedList(headerView);
            Content = roundedListView;
        }

        RoundedListView createRoundedList(View header)
        {
            var roundedListView = new RoundedListView(typeof(StatsPageViewCell), header: header)
            {
                IsPullToRefreshEnabled = true
            };

            roundedListView.ItemTapped += (sender, e) => ((ListView)sender).SelectedItem = null;
            roundedListView.SetBinding(ListView.IsRefreshingProperty, "IsLoading");
            roundedListView.SetBinding(ListView.RefreshCommandProperty, "RefreshCommand");
            roundedListView.SetBinding(ListView.SelectedItemProperty, "SelectedItem");
            roundedListView.SetBinding(ItemsView<Cell>.ItemsSourceProperty, "PagesList");
            return roundedListView;
        }

        StackLayout createHeaderView()
        {
            var subjectsView = new SubjectsPickerView();
            var groupButton = new Button
            {
                FontAttributes = FontAttributes.Bold,
                FontSize = 20,
                TextColor = Color.FromHex(Theme.Current.BaseLinksColor),
                BackgroundColor = Color.FromHex(Theme.Current.BaseBlockColor),
            };

            groupButton.SetBinding(Button.CommandProperty, "ParentalCommand");
            groupButton.SetBinding(Button.TextProperty, "GroupName");

            return new StackLayout
            {
                Padding = _headerPadding,
                Children = {        
                    groupButton,
                    subjectsView,
                }
            };
        }
    }
}