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 System.Data.OracleClient;

namespace Cyberpipe
{
    public partial class FrmUserRole : Office2007Form
    {
        public static bool IS_OPEN = false;
        public FrmUserRole()
        {
            InitializeComponent();
        }

        private void FrmUserRole_Load(object sender, EventArgs e)
        {
            IS_OPEN = true;
            reloadGrid(-1);
            initCombox();
            if (Utility.userRole.IndexOf("用户角色") == -1)
            {
                btn_ok.Visible = false;
            }
        }

        private void initCombox()
        {
            string sql = "select username from casic_userinfotest where sysname='EMS'";
            using (OracleDataReader reader = OracleUtils.ExecuteReader(OracleUtils.ConnectionString, CommandType.Text, sql))
            {
                while (reader.Read())
                {
                    combo_user.Items.Add(reader[0]);
                }
            }
        }

        private void FrmUserRole_FormClosing(object sender, FormClosingEventArgs e)
        {
            IS_OPEN = false;
        }

        private void reloadGrid(int id)
        {
            string sql = "select id,nt,case id " +
                                            "when "+id+" then " +
                                            "'Y'" +
                                            " else " +
                                            "'N'" +
                                        " end as chk from casic_userroletest where sysname='EMS'";
            DataTable table = OracleUtils.ExecuteDataset(OracleUtils.ConnectionString, CommandType.Text, sql).Tables[0];
            dataGridViewX1.DataSource = table;
        }

        private void dataGridViewX1_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex < 0 || e.ColumnIndex < 0)
            {
                return;
            }
            for (int i = 0; i < dataGridViewX1.Rows.Count;i++ )
            {
                dataGridViewX1.Rows[i].Cells["chk"].Value = "N";
            }
            dataGridViewX1.Rows[e.RowIndex].Cells["chk"].Value = "Y";
        }

        private void btn_ok_Click(object sender, EventArgs e)
        {
            try
            {
                if (String.IsNullOrEmpty(combo_user.Text.Trim()))
                {
                    MessageBox.Show("请选择要授权的用户！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    combo_user.Focus();
                    return;
                }
                for (int i = 0; i < dataGridViewX1.Rows.Count; i++)
                {
                    string chk = dataGridViewX1.Rows[i].Cells["chk"].Value.ToString();
                    string id = dataGridViewX1.Rows[i].Cells["id"].Value.ToString();
                    string role = dataGridViewX1.Rows[i].Cells["id"].Value.ToString();
                    if ("Y".Equals(chk))
                    {
                        string sql = "update casic_userinfotest set rid=" + id + ",nt='" + nt + "' where username='" + combo_user.Text.Trim() + "' and sysname='EMS'";
                        OracleUtils.ExecuteNonQuery(OracleUtils.ConnectionString, CommandType.Text, sql);
                        break;
                    }
                }
                MessageBox.Show("用户授权成功！", "结果", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show("用户授权失败:" + ex.ToString(), "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void combo_user_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (!String.IsNullOrEmpty(combo_user.Text.Trim()))
            {
                if (combo_user.Text.Trim().Equals("ems"))
                {
                    btn_ok.Enabled = false;
                    MessageBox.Show("无法对ems用户进行编辑", "提示");
                }
                else {
                    btn_ok.Enabled = true;
                }
                string sql = "select rid from casic_userinfotest where sysname='EMS' and username='" + combo_user.Text.Trim() + "'";
                string id = OracleUtils.ExecuteScalar(OracleUtils.ConnectionString, CommandType.Text, sql).ToString();
                if (!String.IsNullOrEmpty(id))
                {
                    reloadGrid(int.Parse(id));
                }
            }
            
        }
    }
}