using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Lskj.MyControl {
    public partial class LabelAutoTextEx : UserControl {

        #region 属性
        private int padding_right = 7;
        private string labelText;
        [Description("Label值")]
        public string LabelText {
            get { return labelText; }
            set {
                labelText = value;
                lbMsg.Text = value;
                pl_left.Width = lbMsg.Width + padding_right;
            }
        }

        private string text;
        [Description("文本框值")]
        public override string Text {
            get {
                return txtBox.Text;
            }
            set {
                text = value;
                txtBox.Text = text;
            }
        }

        [Description("提示文本")]
        public string TipMsg { get; set; }

        [Description("是否允许为空")]
        public bool IsEmpt { get; set; }

        public TextBoxEx GetTextBox { get { return txtBox; } }
        private string defaultString;
        public string DefaultString {
            get { return defaultString; }
            set { defaultString = value; }
        }
        private string unionFields;
        public string UnionFields {
            get { return unionFields; }
            set { unionFields = value; }
        }
        private string unionValue;
        public string UnionValue {
            get { return unionValue; }
            set { unionValue = value; }
        }

        [Description("联想框宽度")]
        public int ImageWidth { get; set; }

        [Description("联想框高度")]
        public int ImageHeight { get; set; }
        #endregion

        private Panel pMain;
        private GridControlEx gc;
        public LabelAutoTextEx() {
            InitializeComponent();
            pMain = new Panel();
            pMain.Visible = false;
        }

        protected override void OnLoad(EventArgs e) {
            base.OnLoad(e);
            pMain.Width = ImageWidth;
            pMain.Height = ImageHeight;
            pMain.BackColor = Color.Black;
            pMain.Location = new Point(this.Location.X + lbMsg.Width, this.Location.Y + this.Height);
            gc = new GridControlEx();
            gc.gridView.OptionsBehavior.Editable = false;
            gc.Dock = DockStyle.Fill;
            List<User> us = new List<User>();
            for (int i = 0; i < 10; i++) {
                us.Add(new User() { pwd = "333", userName = "3333" + i });
            }
            gc.gridControl.DataSource = us;
            pMain.Controls.Add(gc);
            this.Parent.Controls.Add(pMain);

            this.txtBox.Leave += new EventHandler(OnSelfLostFocus);
            this.txtBox.KeyUp += new KeyEventHandler(onSelfKeyUp);
            this.txtBox.Enter += new EventHandler(AutoSearcher_Enter);
        }

        /// <summary>
        /// 输入控件失去焦点事件处理
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnSelfLostFocus(object sender, EventArgs e) {
            if (gc.Focused) {
                pMain.Visible = false;
            }
        }

        /// 输入框回车事件的处理
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void onSelfKeyUp(object sender, KeyEventArgs e) {
            if (e.KeyValue == 13) {
                gc.Focus();
                gc.gridView.Focus();
                gc.gridControl.Focus();
            }
        }

        private void AutoSearcher_Enter(object sender, EventArgs e) {
            pMain.Visible = true;
        }

        public class User {
            public String userName { get; set; }
            public String pwd { get; set; }

        }
    }
}