using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Ips.Library.DxpLib
{
    public static class WinformExtensions
    {
        public static void ToFullScreen(this Form form, int screen = 0)
        {
            form.WindowState = FormWindowState.Maximized;
            form.StartPosition = FormStartPosition.Manual;
            form.Bounds = Screen.AllScreens[screen].Bounds;
        }

        public static void Invoke(this Control ctrl, Action action)
        {
            if (ctrl == null || ctrl.IsDisposed || !ctrl.IsHandleCreated) return;
            if (ctrl.InvokeRequired)
            {
                ctrl.Invoke(action);
            }
            else
            {
                action();
            }
        }

        public static void BeginInvoke(this Control ctrl, Action action)
        {
            if (ctrl == null || ctrl.IsDisposed || !ctrl.IsHandleCreated) return;
            if (ctrl.InvokeRequired)
            {
                ctrl.BeginInvoke(action);
            }
            else
            {
                action();
            }
        }

        public static T FindParent<T>(this Control ctrl) where T : Control
        {
            T result = null;
            Control curCtrl = ctrl;
            while (true)
            {
                if (curCtrl == null) break;
                if (curCtrl.Parent is T)
                {
                    result = (T)curCtrl.Parent;
                    break;
                }
                else
                {
                    curCtrl = curCtrl.Parent;
                }
            }
            return result;
        }

        public static bool IsDesignMode(this Control ctrl)
        {
            bool returnFlag = false;
#if DEBUG
            if (LicenseManager.UsageMode == LicenseUsageMode.Designtime)
            {
                returnFlag = true;
            }
            else if (Process.GetCurrentProcess().ProcessName == "devenv")
            {
                returnFlag = true;
            }
#endif
            return returnFlag;
        }
    }
}