ilyalehchylin/educats-xamarin

using EduCATS.Data.Models;
using EduCATS.Helpers.Forms.Styles;
using EduCATS.Themes;
using FFImageLoading.Forms;
using Xamarin.Forms;

namespace EduCATS.Pages.Eemc.Views.ViewCell
{
    public class EemcPageViewCell : ContentView
    {
        const double _iconHeight = 30;
        const string _testString = "test";
        static Thickness _margin = new Thickness(15);

        readonly CachedImage _icon;

        bool _isPublished;

        public EemcPageViewCell()
        {
            _icon = new CachedImage {
                HorizontalOptions = LayoutOptions.CenterAndExpand,
                HeightRequest = _iconHeight
            };

            var title = new Label {
                TextColor = Color.FromHex(Theme.Current.EemcItemTitleColor),
                HorizontalOptions = LayoutOptions.CenterAndExpand,
                HorizontalTextAlignment = TextAlignment.Center,
                Style = AppStyles.GetLabelStyle()
            };

            title.SetBinding(Label.TextProperty, "Name");

            Content = new StackLayout {
                Margin = _margin,
                Children = {
                    _icon,
                    title
                }
            };
        }

        protected override void OnBindingContextChanged()
        {
            base.OnBindingContextChanged();

            if (!(BindingContext is ConceptModel)) {
                return;
            }

            var concept = BindingContext as ConceptModel;
            _isPublished = concept.Published;

            if (concept.IsGroup) {
                setIcon(
                    Theme.Current.EemcDirectoryActiveIcon,
                    Theme.Current.EemcDirectoryInactiveIcon);
                return;
            }

            if (concept.Container != null && !concept.Container.Equals(_testString)) {
                setIcon(
                    Theme.Current.EemcDocumentActiveIcon,
                    Theme.Current.EemcDocumentInactiveIcon);
                return;
            }

            if (concept.Container != null && concept.Container.Equals(_testString)) {
                setIcon(
                    Theme.Current.EemcDocumentTestActiveIcon,
                    Theme.Current.EemcDocumentTestInactiveIcon);
                return;
            }

            setIcon(
                Theme.Current.EemcDocumentActiveIcon,
                Theme.Current.EemcDocumentInactiveIcon);
        }

        void setIcon(string publishedIcon, string unpublishedIcon)
        {
            _icon.Source = _isPublished ?
                ImageSource.FromFile(publishedIcon) :
                ImageSource.FromFile(unpublishedIcon);
        }
    }
}