Pixiview/Pixiview/Illust/MainPage.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Input;
using Pixiview.Utils;
using Xamarin.Forms;

namespace Pixiview.Illust
{
    public partial class MainPage : IllustDataCollectionPage
    {
        public static readonly BindableProperty KeywordsProperty = BindableProperty.Create(
            nameof(Keywords), typeof(string), typeof(MainPage));

        public string Keywords
        {
            get => (string)GetValue(KeywordsProperty);
            set => SetValue(KeywordsProperty, value);
        }

        public MainPage()
        {
            Resources.Add("cardView", GetCardViewTemplate());
            InitializeComponent();

#if __IOS__
            searchBar.BackgroundColor = Color.Transparent;
#elif __ANDROID__
            searchBar.SetDynamicResource(SearchBar.TextColorProperty, UI.Theme.ThemeBase.TextColor);
            searchBar.SetDynamicResource(SearchBar.PlaceholderColorProperty, UI.Theme.ThemeBase.SubTextColor);
            searchBar.SetDynamicResource(BackgroundColorProperty, UI.Theme.ThemeBase.WindowColor);
#endif
        }

        protected override IEnumerable<IllustItem> DoGetIllustList(IllustData data, ICommand command)
        {
            return data.body.page.follow.Select(i =>
            {
                var item = data.body.thumbnails.illust.FirstOrDefault(l => l.illustId == i.ToString())?.ConvertToItem();
                if (item != null)
                {
                    item.IllustTapped = command;
                }
                return item;
            });
        }

        protected override IllustData DoLoadIllustData(bool force)
        {
            return Stores.LoadIllustData(force);
        }

        private void Refresh_Clicked(object sender, EventArgs e)
        {
            if (IsLoading)
            {
                return;
            }
            StartLoad(true);
        }

        private void SearchBar_SearchButtonPressed(object sender, EventArgs e)
        {
            var key = Keywords;
            if (key != null)
            {
                key = key.Trim().ToLower();
            }

            if (!string.IsNullOrEmpty(key))
            {
                Task.Run(() => App.OpenUrl(new Uri("pixiview://example.com/artworks/" + key)));
            }
        }
    }
}