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;
using Infragistics.Win.UltraWinGrid;
using System.Reflection;
using Infragistics.Shared;

namespace Core.Mes.Client.Comm.Control
{
    [ComplexBindingProperties("DataSource", "DataMember")]
    [DefaultEvent("InitializeLayout")]
    [DefaultProperty("DisplayLayout")]
    [Designer("Infragistics.Win.UltraWinGrid.Design.UltraGridDesigner, Infragistics2.Win.v9.2.Design, Version=9.2.20092.1003, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb")]
    [LicenseProvider(typeof(UltraLicenseProvider))]
    [ToolboxBitmap(typeof(UltraGridBase), "ToolboxBitmaps.CLR2.UltraGrid.bmp")]
    public partial class EntityGrid : UltraGrid
    {
        public EntityGrid()
        {
            InitializeComponent();
        }

        private int initCount = 0;

        private bool IsDesignMode()
        {
            if (System.ComponentModel.LicenseManager.UsageMode == System.ComponentModel.LicenseUsageMode.Designtime)
            {
                return true;
            }
            else if (System.Diagnostics.Process.GetCurrentProcess().ProcessName.ToUpper().Equals("DEVENV"))
            {
                return true;
            }

            return false;
        }

        protected override void OnInitializeLayout(InitializeLayoutEventArgs e)
        {
            base.OnInitializeLayout(e);
            if (IsDesignMode())
            {
                if (initCount == 0)
                {
                    initCount++;
                    SetEntityGridCaption();
                }
            }
            else
            {
                this.DisplayLayout.Override.AllowRowLayoutCellSizing = RowLayoutSizing.None;
                this.DisplayLayout.Override.SelectedRowAppearance.BackColor = Color.Empty;
                this.DisplayLayout.Override.ActiveRowAppearance.BackColor = Color.Empty;
                this.DisplayLayout.Override.ActiveRowAppearance.ForeColor = Color.Empty;
            }
        }

        private void SetEntityGridCaption()
        {
            if (this.DataSource != null && this.DataSource is BindingSource)
            {
                try
                {
                    BindingSource bindSouce = (BindingSource)this.DataSource;
                    Type type = (Type)bindSouce.DataSource;
                    SetCaption(this.DisplayLayout.Bands[0], type);
                    if (this.DisplayLayout.Bands.Count > 1)
                    {
                        System.Reflection.PropertyInfo[] pis = type.GetProperties();
                        foreach (System.Reflection.PropertyInfo pi in pis)
                        {
                            if (pi.PropertyType.IsGenericType)
                            {
                                Type genericType = pi.PropertyType.GetGenericArguments()[0];
                                SetCaption(this.DisplayLayout.Bands[1], genericType);
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                }
            }
        }

        private void SetCaption(UltraGridBand gridBand, Type type)
        {
            //this.BeginUpdate();
            try
            {
                PropertyInfo[] propertyInfos = type.GetProperties();
                foreach (PropertyInfo propertyInfo in propertyInfos)
                {
                    if (gridBand.Columns.Exists(propertyInfo.Name))
                    {
                        //设置单元格为空时的值。
                        if (propertyInfo.PropertyType == typeof(string)
                            && gridBand.Columns[propertyInfo.Name].Nullable != Infragistics.Win.UltraWinGrid.Nullable.EmptyString)
                        {
                            gridBand.Columns[propertyInfo.Name].Nullable = Infragistics.Win.UltraWinGrid.Nullable.EmptyString;
                        }

                        object[] desAttributes = propertyInfo.GetCustomAttributes(typeof(DescriptionAttribute), false);
                        if (desAttributes.Length > 0)
                        {
                            if (gridBand.Columns[propertyInfo.Name].Header.Caption != ((DescriptionAttribute)desAttributes[0]).Description)
                            {
                                gridBand.Columns[propertyInfo.Name].Header.Caption = ((DescriptionAttribute)desAttributes[0]).Description;
                            }
                        }
                    }
                }
            }
            finally
            {
                //this.EndUpdate();
            }
        }

        private UltraGrid grid = new UltraGrid();

        public UltraGrid StyleGrid
        {
            get { return grid; }
            set { grid = value; }
        }
    }
}