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 DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraGrid.Columns;

namespace WMS.Ctrl
{
    public partial class FrmGridViewColFind : Form
    {
        #region 定义变量
        private GridView _MyGridView = null;
        #endregion

        #region 构造函数
        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="gv"></param>
        public FrmGridViewColFind(GridView gv)
        {
            InitializeComponent();
            _MyGridView = gv;
        }
        #endregion

        #region 初始化
        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FrmGridViewColFind_Load(object sender, EventArgs e)
        {
            try
            {
                this.Cursor = Cursors.WaitCursor;
                this.txtActiveFilterString.Text = _MyGridView.ActiveFilterString;
                //获取列信息
                ColumnsList myColumnsList=new ColumnsList();
                List<ColumnsList> mycolList = myColumnsList.LoadQueryColumn(_MyGridView);
                //绑定
                this.lupCol1.Properties.DataSource = mycolList;
                this.lupCol2.Properties.DataSource = mycolList;
                if (this.txtActiveFilterString.Text == null || this.txtActiveFilterString.Text == "")
                {
                    this.chkAnd.Checked = false;
                    this.chkOr.Checked = false;
                    this.chkDelete.Checked = false;
                }

                this.Cursor = Cursors.Default;
            }
            catch (Exception ex)
            {
                this.Cursor = Cursors.Default;
          
            }
        }
        #endregion

        #region 按钮事件
        /// <summary>
        /// 确定
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void bOK_Click(object sender, EventArgs e)
        {
            try
            {
                //获取之前的查询条件
                string myActiveFilterString = _MyGridView.ActiveFilterString;
                if (myActiveFilterString == null) myActiveFilterString = "";

                //第一列
                if (this.lupCol1.EditValue == null || this.lupCol1.EditValue.ToString() == "")
                {
                    MessageBox.Show("请选择对比列", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    this.lupCol1.Focus();
                    return;
                }
                string colFieldName1 = this.lupCol1.EditValue.ToString();

                //本次查询条件
                string findType = "";
                if (this.comFindType.Text == "大于") findType = ">";
                if (this.comFindType.Text == "大于等于") findType = ">=";
                if (this.comFindType.Text == "小于") findType = "<";
                if (this.comFindType.Text == "小于等于") findType = "<=";
                if (this.comFindType.Text == "等于") findType = "==";
                if (this.comFindType.Text == "不等于") findType = "!=";

                //第二列
                string where = "";
                if (this.chkFindValue.Checked == true)
                {
                    string colFieldName2 = this.txtFindValue.Text;
                    if (colFieldName2 == null) colFieldName2 = "";
                    //查询条件
                    where = "[" + colFieldName1 + "] " + findType + " '" + colFieldName2 + "'";
                }
                else
                {
                    if (this.lupCol2.EditValue == null || this.lupCol2.EditValue == "")
                    {
                        MessageBox.Show("请选择对比列", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        this.lupCol2.Focus();
                        return;
                    }
                    string colFieldName2 = this.lupCol2.EditValue.ToString();
                    //查询条件
                    where = "[" + colFieldName1 + "] " + findType + " [" + colFieldName2 + "]";
                }

                //组合条件
                if (this.chkDelete.Checked == false)
                {
                    myActiveFilterString = "";
                }
                if (myActiveFilterString == "")
                {
                    myActiveFilterString = where;
                }
                else
                {
                    if (this.chkAnd.Checked == false) myActiveFilterString = myActiveFilterString + " && " + where;
                    if (this.chkOr.Checked == false) myActiveFilterString = myActiveFilterString + " || " + where;
                }

                _MyGridView.ActiveFilterString = myActiveFilterString;

                //返回
                this.DialogResult = DialogResult.OK;
                this.Close();
                this.Cursor = Cursors.Default;
            }
            catch (Exception ex)
            {
                this.Cursor = Cursors.Default;
        
            }
        }

        /// <summary>
        /// 关闭
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void bCancel_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
        }

        /// <summary>
        /// 自定义值 事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void chkFindValue_CheckedChanged(object sender, EventArgs e)
        {
            try
            {
                if (this.chkFindValue.Checked == true)
                {
                    this.txtFindValue.Visible = true;
                    this.lupCol2.Visible = false;
                }
                else
                {
                    this.txtFindValue.Visible = false;
                    this.lupCol2.Visible = true;
                }

            }
            catch (Exception ex)
            {
                this.Cursor = Cursors.Default;
              
            }
        }
        #endregion

    }
}