UpTool2/UpToolEto/UpToolEto/Controls/AppControls.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Eto.Drawing;
using Eto.Forms;
using UpToolEto.Forms;
using UpToolLib.DataStructures;
using UpToolLib.v2;
using UpToolLib.v2.TaskQueue;

namespace UpToolEto.Controls
{
    public class AppControls : StackLayout
    {
        private readonly IList<AppTask> _tasks;
        private readonly List<AppControlButton> _buttons;
        private readonly Button _applyButton;
        public AppControls(TaskFactory factory, IList<AppTask> tasks, IExternalFunctionality platform, Action update)
        {
            _tasks = tasks;
            _buttons = new List<AppControlButton>
            {
                new AppControlButton<InstallTask>("Install", factory.CreateInstall, tasks, ReloadState,
                    app => !app.Status.Contains(Status.Installed)),
                new AppControlButton<UpdateTask>("Update", factory.CreateUpdate, tasks, ReloadState,
                    app => app.Status.Contains(Status.Updatable)),
                new AppControlButton<RemoveTask>("Remove", factory.CreateRemove, tasks, ReloadState,
                    app => app.Status.Contains(Status.Installed))
            };
            _applyButton = new Button((_, _) =>
            {
                try
                {
                    QueueOverview overview = new(tasks);
                    overview.ShowModal();
                    if (!overview.Cancelled)
                    {
                        foreach (AppTask task in overview.TasksResulting)
                        {
                            task.Run();
                            _tasks.RemoveAt(0);
                        }
                    }
                }
                catch (Exception e)
                {
                    platform.OkDialog("Failed to complete queue:\r\n" + e);
                }
                finally
                {
                    ReloadState();
                    update();
                }
            })
            {
                Text = "Apply",
                Enabled = false
            };
            foreach (AppControlButton button in _buttons) Items.Add(button);
            Items.Add(new StackLayoutItem(_applyButton, HorizontalAlignment.Right));
            if (Main.DebugColors)
                BackgroundColor = Colors.Yellow;
            Orientation = Orientation.Horizontal;
        }

        public void SetApp(App app)
        {
            foreach (AppControlButton button in _buttons) button.SetApp(app);
            ReloadState();
        }

        public void Clear()
        {
            foreach (AppControlButton button in _buttons) button.Clear();
        }

        private void ReloadState()
        {
            foreach (AppControlButton button in _buttons) button.ReloadState();
            _applyButton.Enabled = _tasks.Any();
        }
    }
}