using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DevComponents.DotNetBar;
using GeoScene.Globe;
using GeoScene.Engine;
using System.IO;
using System.Xml;

namespace Cyberpipe
{
    public partial class FrmFlagDatabase : Office2007Form
    {
        public static string dbServer = "";
        public static string database = "";
        public static string userId = "";
        public static string password = "";
        public static GSODataSource ds = null;
        private GSOGlobeControl ctl;

        public FrmFlagDatabase(GSOGlobeControl _ctl)
        {
            InitializeComponent();
            ctl = _ctl;
        }

        private void btn_ok_Click(object sender, EventArgs e)
        {
            if (String.IsNullOrEmpty(txt_ip.Text.Trim()) || String.IsNullOrEmpty(txt_db.Text.Trim()) || String.IsNullOrEmpty(txt_user.Text.Trim()) || String.IsNullOrEmpty(txt_pwd.Text.Trim()))
            {
                MessageBox.Show("配置参数不能为空！", "提示",MessageBoxButtons.OK,MessageBoxIcon.Warning);
                return;
            }
            try
            {
                ds = ctl.Globe.DataManager.OpenOracleDataSource(txt_ip.Text.Trim() + "/" + txt_db.Text.Trim(), "", "", txt_user.Text.Trim(), txt_pwd.Text.Trim());
                if (ds == null)
                {
                    MessageBox.Show("数据库连接失败！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }
                else
                {
                    dbServer = txt_ip.Text.Trim();
                    database = txt_db.Text.Trim();
                    userId = txt_user.Text.Trim();
                    password = txt_pwd.Text.Trim();
                    WriteXML();
                }
                this.DialogResult = DialogResult.OK;
                MessageBox.Show("已成功连接数据库！", "结果", MessageBoxButtons.OK, MessageBoxIcon.Error);
                this.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show("数据库连接失败:" + ex.ToString(), "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        private void FrmFlagDatabase_Load(object sender, EventArgs e)
        {
            try
            {
                ReadXML();
            }
            catch (Exception ex)
            {
                MessageBox.Show("窗体加载失败:" + ex.ToString(), "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void ReadXML()
        {
            string strFileName = Path.GetDirectoryName(Application.ExecutablePath) + "/EMSdatabaseConfig.xml";
            if (!File.Exists(strFileName))
            {
                return;
            }

            //初始化XML文档操作类
            XmlDocument myDoc = new XmlDocument();
            //加载XML文件
            myDoc.Load(strFileName);
            //搜索指定的节点
            XmlNode serverRootNode = myDoc.SelectSingleNode("CyberPipe");
            XmlNodeList nodes = null;
            if (serverRootNode != null)
            {
                nodes = myDoc.SelectSingleNode("CyberPipe").ChildNodes;
                if (nodes != null)
                {
                    bool bRecorded = false;
                    XmlNode bRecordNode = serverRootNode.SelectSingleNode("IsRecordedSql");                    
                    if (bRecordNode != null)
                    {
                        bool.TryParse(bRecordNode.InnerText, out bRecorded);
                        chk.Checked = bRecorded;
                    }
                    if (bRecorded)
                    {
                        foreach (System.Xml.XmlNode xn in nodes)
                        {
                            if (xn.Name == "serverIP")
                            {
                                txt_ip.Text = xn.InnerText;
                            }
                            else if (xn.Name == "pipedb")
                            {
                                txt_db.Text = xn.InnerText;
                            }
                            else if (xn.Name == "userName")
                            {
                                txt_user.Text = xn.InnerText;
                            }
                            else if (xn.Name == "password")
                            {
                                txt_pwd.Text = xn.InnerText;
                            }
                        }
                    }
                }
            }
        }

        private void WriteXML()
        {
            string strFileName = Path.GetDirectoryName(Application.ExecutablePath) + "/EMSdatabaseConfig.xml";
            File.WriteAllText(strFileName, "<?xml version='1.0' encoding='utf-8' ?><CyberPipe></CyberPipe> ");
            XmlDocument myDoc = new XmlDocument();

            //加载XML文件
            // XmlElement serverRootNode = null;
            try
            {
                myDoc.Load(strFileName);

            }
            catch (Exception e)
            {
                File.Delete(strFileName);
                File.WriteAllText(strFileName, "<?xml version='1.0' encoding='utf-8' ?><CyberPipe></CyberPipe> ");
                throw e;
            }
            XmlNode serverRootNode = myDoc.SelectSingleNode("CyberPipe");
            if (serverRootNode == null)
            {
                serverRootNode = myDoc.CreateElement("CyberPipe");
            }
            XmlElement ele0 = myDoc.CreateElement("IsRecordedSql");
            ele0.InnerText = chk.Checked.ToString();
            serverRootNode.AppendChild(ele0);

            XmlElement ele1 = myDoc.CreateElement("serverIP");
            ele1.InnerText = dbServer;
            serverRootNode.AppendChild(ele1);

            XmlElement ele2 = myDoc.CreateElement("pipedb");
            ele2.InnerText = database;
            serverRootNode.AppendChild(ele2);

            XmlElement ele3 = myDoc.CreateElement("userName");
            ele3.InnerText = userId;
            serverRootNode.AppendChild(ele3);

            XmlElement ele4 = myDoc.CreateElement("password");
            ele4.InnerText = password;
            serverRootNode.AppendChild(ele4);
            try
            {
                myDoc.Save(strFileName);
            }
            catch (Exception exp)
            {
                throw exp;
            }
        }
    }
}