using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Forms;

namespace Xylem.Common.Utils.UiLanguageControl
{
    /// <summary>
    /// Change language at runtime
    /// </summary>
    /// <remarks date="2021-Feb-23" author="Thomas Wiedebusch">
    /// - Initial based on code example from stackoverflow
    /// </remarks>
    [Serializable]
    public static class ControlExtensions
    {
        /// <summary>
        /// Change language at runtime
        /// </summary>
        /// <remarks date="2021-Feb-23" author="Thomas Wiedebusch">
        /// - Initial based on code example:
        ///   https://stackoverflow.com/questions/52178064/winforms-localization-how-to-change-the-language-of-a-menu.
        /// </remarks>
        public static IEnumerable<Control> AllControls(this Control control)
        {
            foreach (Control c in control.Controls)
            {
                yield return c;
                foreach (Control child in c.Controls)
                    yield return child;
            }
        }

        /// <summary>
        /// Update all visual elements after language change
        /// </summary>
        /// <remarks date="2020-Nov-27" author="Thomas Wiedebusch">
        /// - Initial based on code example:
        ///   https://stackoverflow.com/questions/7556367/how-do-i-change-the-culture-of-a-winforms-application-at-runtime
        /// </remarks>
        public static void ChangeControlText(ComponentResourceManager resources, IEnumerable controls)
        {
            foreach (Control ctl in controls)
            {
                resources.ApplyResources(ctl, ctl.Name);
                ChangeControlText(resources, ctl.Controls);
            }
        }

    }
}