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

namespace OTSSysMgrApp
{
   
    public class Language
    {
        

        public Language(Form form)
        {
            //测试国际化语言版本
            string Global = "EN";
            Global = ReadDefaultLanguage();
            getNames(form, Global);
        }
        #region 测试国际化语言
        //读取默认语言 
        public static string ReadDefaultLanguage()
        {
            string xmlName = System.Windows.Forms.Application.StartupPath + @"/Resources/XMLData/LanguageDefine.xml";
            XmlReader reader = XmlReader.Create(xmlName);
            XmlDocument doc = new XmlDocument();
            doc.Load(reader);
            XmlNode root = doc.DocumentElement;
            //选取DefaultLangugae节点 
            XmlNode node = root.SelectSingleNode("DefaultLanguage");

            string result = string.Empty;
            if (node != null)
                //取出节点中的内容 
                result = node.InnerText;

            reader.Close();
            return result;
        }

        // 获取控件的名称 
        public static void getNames(Form form, string lang)
        {

            Hashtable table = ReadResource(form.Name, lang);
            //将所有控件放入集合
            Control.ControlCollection controlNames = form.Controls;

            try
            {
                //遍历控件
                foreach (Control control in controlNames)
                {

                    if (control.GetType().ToString() == "System.Windows.Forms.DataGridView")
                    {
                        for (int i = 0; i < ((DataGridView)control).Columns.Count; i++)
                        {
                            if (table.Contains(((DataGridView)control).Columns[i].Name.ToLower()))
                                ((DataGridView)control).Columns[i].HeaderText = table[((DataGridView)control).Columns[i].Name.ToLower()].ToString();
                        }
                    }
                    if (control.Controls.Count > 0)
                    {
                        GetSubControls(control.Controls, table);
                    }
                    if (table.Contains(control.Name.ToLower()))
                        control.Text = (string)table[control.Name.ToLower()];
                }
                if (table.Contains(form.Name.ToLower()))
                    form.Text = (string)table[form.Name.ToLower()];
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
        }

        //frmName是窗体的Name,lang是要显示的语言(如ZH或EN), Hashtable的Key值就是Name属性的值，其value值就是Text属性将要显示的值
        public static Hashtable ReadResource(string frmName, string lang)
        {
            Hashtable result = new Hashtable();

            XmlReader reader = null;

            reader = new XmlTextReader(System.Windows.Forms.Application.StartupPath + @"/Resources/XMLData/AppResource_" + lang + ".xml");

            XmlDocument doc = new XmlDocument();
            doc.Load(reader);

            XmlNode root = doc.DocumentElement;
            XmlNodeList nodelist = root.SelectNodes("Form[Name='" + frmName + "']/Controls/Control");
            foreach (XmlNode node in nodelist)
            {
                try
                {
                    XmlNode node1 = node.SelectSingleNode("@name");
                    XmlNode node2 = node.SelectSingleNode("@text");
                    if (node1 != null)
                    {
                        result.Add(node1.InnerText.ToLower(), node2.InnerText);
                    }
                }
                catch (FormatException fe)
                {
                    Console.WriteLine(fe.ToString());
                }
            }
            reader.Close();

            return result;
        }

        // 获得子控件的显示名 ,读取控件中子控件的显示值
        private static void GetSubControls(Control.ControlCollection controls, Hashtable table)
        {
            foreach (Control control in controls)
            {
                if (control.Controls.Count > 0)
                    GetSubControls(control.Controls, table);

                if (table.Contains(control.Name.ToLower()))
                    control.Text = (string)table[control.Name.ToLower()];
            }
        }
        #endregion
    }


}