App/OwnChar.App.Desktop/UI/Windows/MainWindow.cs

using OwnChar.App.Desktop.Api;
using OwnChar.App.Desktop.Api.Parameters;
using OwnChar.Data;
using OwnChar.Manager;
using Pilz.Plugins.Advanced;
using Pilz.Plugins.Advanced.UI.Telerik;
using System;
using System.Linq;
using System.Windows.Forms;
using Telerik.WinControls.UI;

namespace OwnChar.App.Desktop.UI.Windows
{
    public partial class MainWindow : RadTabbedForm
    {
        private readonly OwnCharManager? manager = new(new JsonFileDataProvider());

        public MainWindowApi Api { get; }

        public MainWindow()
        {
            Api = new(this);
            InitializeComponent();
            PluginFeatureController.Instance.Features.Get(FeatureCodes.QuickAction).InsertItemsTo(radTabbedFormControl1.RightItems, customClickHandler: RightItem_Clicked);
        }

        public class MainWindowApi(MainWindow mainWindow) : IMainWindowApi
        {
            public MainWindow MainWindow { get; } = mainWindow;

            public OwnCharManager? Manager => MainWindow.manager;

            public void OpenTab(Control content, string title)
            {
                MainWindow.OpenTab(content, title);
            }

            public void CloseTab(Control content)
            {
                MainWindow.CloseTab(content);
            }

            public bool IsTabOpen(Control content)
            {
                return MainWindow.FindTab(content) != null;
            }

            public bool IsTabOpen<T>()
            {
                return MainWindow.FindTab<T>() != null;
            }
        }

        private MainWindowParams GetMainWindowParams()
        {
            return new MainWindowParams(Api);
        }

        private void OpenTab(Control content, string title)
        {
            var newTab = new RadTabbedFormControlTab();
            content.Dock = DockStyle.Fill;
            newTab.Controls.Add(content);
            newTab.Text = title;
            newTab.Tag = content;
            content.Tag = newTab;
            radTabbedFormControl1.Tabs.Add(newTab);
            radTabbedFormControl1.SelectedTab = newTab;
        }

        private void CloseTab(Control content)
        {
            if (FindTab(content) is RadTabbedFormControlTab tab)
                radTabbedFormControl1.Tabs.Remove(tab);
        }

        private RadTabbedFormControlTab? FindTab(Control content)
        {
            return radTabbedFormControl1.Tabs.FirstOrDefault(n => n.Tag == content);
        }

        private RadTabbedFormControlTab? FindTab<T>()
        {
            return radTabbedFormControl1.Tabs.FirstOrDefault(n => n.Tag is T);
        }

        private void RightItem_Clicked(object? sender, EventArgs e)
        {
            if (sender is RadMenuItem item && item.Tag is PluginFunction function)
                function.Execute(GetMainWindowParams());
        }
    }
}