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 System.Collections;

namespace ControlLib.inh.autosearcher_Res
{
    /// <summary>
    /// 搜索控件属性编辑窗体
    /// </summary>
    public partial class FrmPropertySet : Form
    {
        SearcherPropertyCollector FSearcherPropertyCollector;



        public FrmPropertySet(SearcherPropertyCollector _SearcherPropertyCollector)
        {
            InitializeComponent();

            try
            {
                CboSearchMatchWay.SelectedIndex = 0;
                FSearcherPropertyCollector = _SearcherPropertyCollector;
                if (FSearcherPropertyCollector.QuerySQL != string.Empty)
                {
                    txtSql.Text = FSearcherPropertyCollector.QuerySQL;
                    SetSQL();
                    CboKeyField.SelectedIndex = CboKeyField.Items.IndexOf(FSearcherPropertyCollector.KeyField);
                    CboQueryField.SelectedIndex = CboQueryField.Items.IndexOf(FSearcherPropertyCollector.QueryField);
                    CboReturnField.SelectedIndex = CboReturnField.Items.IndexOf(FSearcherPropertyCollector.ReturnValueField);
                    txtReturnMaxCount.Text = FSearcherPropertyCollector.ReturnMaxCount.ToString();
                    ChkConvert.Checked = FSearcherPropertyCollector.ConvertToChineseSpell;

                    CboSearchMatchWay.SelectedIndex = (int)FSearcherPropertyCollector.SearchMatchWay;

                    txtFormWidth.Text = FSearcherPropertyCollector.ShowFormWidth.ToString();
                    txtFormHeight.Text = FSearcherPropertyCollector.ShowFormHeight.ToString();
                    if (FSearcherPropertyCollector.ShowFormWidth == 0 && FSearcherPropertyCollector.ShowFormHeight == 0)
                    {
                        ChkAuto.Checked = true;
                    }

                    for (int i = 0; i < FSearcherPropertyCollector.FieldPropertyList.Length; i++)
                    {
                        ListViewItem item = lstV.Items[i];
                        TFieldPropertyData fp = FSearcherPropertyCollector.FieldPropertyList[i];
                        item.SubItems[1].Text = fp.FieldCaption;
                        item.SubItems[2].Text = fp.FieldWidth.ToString();
                        item.SubItems[3].Text = fp.ShowColumn.ToString();
                    }
                }

            }
            catch (Exception ex)
            {
                MessageBox.Show("发生错误！错误是：" + ex.Message);
            }
        }

        private string AnalyseSQL = "";

        /// <summary>
        /// txtSql语句分析
        /// </summary>
        /// <returns></returns>
        private bool SetSQL()
        {
            bool Result = false;
            try
            {
                String S;
                string FieldName;
                int Locate;
                string S1;
                string S2;

                CboQueryField.Items.Clear();
                CboReturnField.Items.Clear();
                CboKeyField.Items.Clear();
                lstV.Items.Clear();

                AnalyseSQL = "";
                S = txtSql.Text.Trim();
                S1 = S.ToLower();

                int Index = S1.IndexOf(" from ");

                if (Index == -1)
                {
                    MessageBox.Show("给出的查询语句不正确，没有发现from，请重新设定。", "错误！");
                    return Result;
                }
                S2 = S1.Substring(Index, S1.Length - Index);

                S = S.Substring(0, S.Length - S2.Length);

                Locate = S.IndexOf(" ");

                if (Locate == -1)
                {
                    MessageBox.Show("给出的查询语句不正确，请重新设定。", "错误！");
                    return Result;
                }

                S = S.Remove(0, Locate);

                S = S.Trim();
                Locate = S.IndexOf(",");
                if (Locate == -1)
                {
                    Locate = S.IndexOf(" ");
                    if (Locate == -1)
                    {
                        MessageBox.Show("给出的查询语句不正确，请重新设定。", "错误！");
                        return Result;
                    }

                    FieldName = S.Substring(0, Locate);
                    if (FieldName.ToUpper() == "TOP")
                    {
                        MessageBox.Show("查询返回的记录数请在另一个属性设定！", "错误！");
                        return Result;
                    }

                    AddField(FieldName.Trim());

                    CboKeyField.Items.Add(FieldName.Trim());
                }
                else
                {
                    while (S.IndexOf(",") != -1)
                    {
                        Locate = S.IndexOf(",");
                        FieldName = S.Substring(0, Locate);
                        AddField(FieldName.Trim());
                        CboKeyField.Items.Add(FieldName.Trim());
                        S = S.Remove(0, Locate + 1);
                    }
                    FieldName = S.Trim();
                    AddField(FieldName);
                    CboKeyField.Items.Add(FieldName);
                }
                S = txtSql.Text.Trim();
                S = S.Remove(0, 6);

                AnalyseSQL = "select top " + txtReturnMaxCount.Text + " " + S;
                for (int i = 0; i < CboKeyField.Items.Count; i++)
                    CboQueryField.Items.Add(CboKeyField.Items[i]);

                for (int i = 0; i < CboKeyField.Items.Count; i++)
                    CboReturnField.Items.Add(CboKeyField.Items[i]);
            }
            catch (Exception ex)
            {
                MessageBox.Show("发生错误！错误是：" + ex.Message);
            }

            Result = true;
            return Result;
        }

        private void AddField(String FileName)
        {
            ListViewItem item = new ListViewItem();
            item.Text = FileName;
            item.SubItems.Add(FileName);
            item.SubItems.Add("2000");
            item.SubItems.Add("true");

            lstV.Items.Add(item);
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            ListViewItem Node;
            String S;

            if (AnalyseSQL == "")
            {
                if (SetSQL() == false)
                {
                    return;
                }
            }
            //if(PropertyValue.Count<=0)
            //{
            //    if(SetSQL()==false)
            //    {
            //        return;
            //    }
            //}

            if (AnalyseSQL == "")
            {
                MessageBox.Show("请输入SQL查询语句。", "错误！");
                return;
            }

            if (CboKeyField.SelectedIndex == -1)
            {
                MessageBox.Show("请选择主键字段。", "错误！");
                return;
            }

            if (CboQueryField.SelectedIndex == -1)
            {
                MessageBox.Show("请选择查询字段。", "错误！");
                return;
            }

            if (CboReturnField.SelectedIndex == -1)
            {
                MessageBox.Show("请选择返回值字段。", "错误！");
                return;
            }

            for (int i = 0; i < lstV.Items.Count; i++)
            {
                Node = lstV.Items[i];
                if (Node.SubItems[0].Text.Trim() == "" && Node.SubItems[3].Text == "true")
                {
                    S = Node.Text;
                    S = "必须输入列" + S + "的显示描述。";
                    MessageBox.Show(S, "错误！");
                    return;
                }
            }

            FSearcherPropertyCollector.QuerySQL = txtSql.Text.Trim();
            FSearcherPropertyCollector.SQL = AnalyseSQL.ToLower();
            FSearcherPropertyCollector.KeyField = CboKeyField.Text.Trim();
            FSearcherPropertyCollector.QueryField = CboQueryField.Text.Trim();
            FSearcherPropertyCollector.ReturnValueField = CboReturnField.Text.Trim();
            FSearcherPropertyCollector.ReturnMaxCount = int.Parse(txtReturnMaxCount.Text);
            FSearcherPropertyCollector.ConvertToChineseSpell = ChkConvert.Checked;
            FSearcherPropertyCollector.ShowFormWidth = int.Parse(txtFormWidth.Text);
            FSearcherPropertyCollector.ShowFormHeight = int.Parse(txtFormHeight.Text);

            if (ChkAuto.Checked)
            {
                FSearcherPropertyCollector.ShowFormWidth = 0;
                FSearcherPropertyCollector.ShowFormHeight = 0;
            }

            FSearcherPropertyCollector.FieldPropertyList = new TFieldPropertyData[lstV.Items.Count];
            for (int i = 0; i < lstV.Items.Count; i++)
            {
                ListViewItem item = lstV.Items[i];

                TFieldPropertyData fp = new TFieldPropertyData();
                FSearcherPropertyCollector.FieldPropertyList[i] = fp;
                fp.FieldName = item.SubItems[0].Text;
                fp.FieldCaption = item.SubItems[1].Text;
                fp.FieldWidth = int.Parse(item.SubItems[2].Text);
                fp.ShowColumn = bool.Parse(item.SubItems[3].Text);
            }
            FSearcherPropertyCollector.SearchMatchWay = (TSearchMatchWay)CboSearchMatchWay.SelectedIndex;

            this.DialogResult = System.Windows.Forms.DialogResult.OK;
        }

        private void tabCtrl_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (AnalyseSQL == "")
            {
                if (txtSql.Text.Trim() == "" || SetSQL() == false)
                    tabCtrl.SelectedIndex = 0;
            }
        }

        private void txtSql_TextChanged(object sender, EventArgs e)
        {
            AnalyseSQL = "";
        }

        private void txtReturnMaxCount_Validating(object sender, CancelEventArgs e)
        {
            try
            {
                UInt32.Parse(txtReturnMaxCount.Text);
            }
            catch (FormatException)
            {
                e.Cancel = true;
                MessageBox.Show("无效的值", "验证错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void txtFormWidth_Validating(object sender, CancelEventArgs e)
        {
            try
            {
                UInt32.Parse(txtFormWidth.Text);
            }
            catch (FormatException)
            {
                e.Cancel = true;
                MessageBox.Show("无效的值", "验证错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void txtFormHeight_Validating(object sender, CancelEventArgs e)
        {
            try
            {
                UInt32.Parse(txtFormHeight.Text);
            }
            catch (FormatException)
            {
                e.Cancel = true;
                MessageBox.Show("无效的值", "验证错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void txtFieldShowWidth_Validating(object sender, CancelEventArgs e)
        {
            try
            {
                UInt32.Parse(txtFieldShowWidth.Text);
            }
            catch (FormatException)
            {
                e.Cancel = true;
                MessageBox.Show("无效的值", "验证错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        public SearcherPropertyCollector searcherPropertyCollector
        {
            get
            {
                return FSearcherPropertyCollector;
            }
            set
            {
                FSearcherPropertyCollector = value;
            }
        }

        private void lstV_Click(object sender, EventArgs e)
        {
            if (lstV.SelectedItems == null)
                return;

            lblFieldName.Text = lstV.SelectedItems[0].SubItems[0].Text;
            txtFieldDescrip.Text = lstV.SelectedItems[0].SubItems[1].Text;
            txtFieldShowWidth.Text = lstV.SelectedItems[0].SubItems[2].Text;
            chkShowColumn.Checked = bool.Parse(lstV.SelectedItems[0].SubItems[3].Text);
        }

        private void btnUpdate_Click(object sender, EventArgs e)
        {
            if (lstV.SelectedItems == null)
                return;
            if (txtFieldDescrip.Text.Trim() == string.Empty)
            {
                MessageBox.Show("字段描述不能为空");
                return;
            }

            MessageBox.Show(txtFieldDescrip.Text);
            lstV.SelectedItems[0].SubItems[1].Text = txtFieldDescrip.Text.Trim();
            lstV.SelectedItems[0].SubItems[2].Text = txtFieldShowWidth.Text.Trim();
            lstV.SelectedItems[0].SubItems[3].Text = chkShowColumn.Checked.ToString();
        }

        private void CboSearchMatchWay_SelectedIndexChanged(object sender, EventArgs e)
        {
            CboMatchNames.SelectedIndex = CboSearchMatchWay.SelectedIndex;
        }
    }
}