using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
using Ease.CoreV35.Model;
using Ease.CoreV35.Caching;
using Payroll.Report;
using Payroll.BO; 

namespace Ease.UICreator
{
    internal partial class FrmMasterForm : Form
    {
        #region variables
        private MasterForm _masterForm;
        private int _totColWid;
        public event Ease.UICreator.UIConfiguration UpdateUIDesign;
        #endregion

        #region Constructor
        public FrmMasterForm()
        {
            InitializeComponent();
        }
        #endregion

        #region Property
        public MasterForm UIBEMF
        {
            get
            {
                if (_masterForm == null)
                {
                    _masterForm = new MasterForm(); 
                }
                return _masterForm; 
            }
            set
            {
                _masterForm = value; 
            }
        }
        //public object[] RefreshMethodParams
        //{
        //    get { return _refreshMethodParams; }
        //    set { _refreshMethodParams = value; }
        //}
        //public string RefreshMethodName
        //{
        //    get { return _refreshMethod; }
        //    set { _refreshMethod = value; }
        //}

        #endregion

        #region Functions

        #region showDLg
        public void showDLg(MasterForm UIBEMF)
        {
            try
            {
                _masterForm = UIBEMF;

                _masterForm.Listviewcloumns.IsDuplicateCtlName();
                if (CheckSpellListView())
                {
                    this.Text = _masterForm.Caption;
                    CreateListView();
                    RefreshListview();
                    if (UpdateUIDesign != null)
                    {
                        this.Name = _masterForm.FormName;                        
                        UpdateUIDesign(this);
                    }
                    this.ShowDialog();
                }
            }
            catch(Exception e)
            {
                MessageBox.Show("Error: " + e.Message, "For Devloper:");   
            }
        }
        public void showDLg()
        {
            try
            {
                _masterForm.Listviewcloumns.IsDuplicateCtlName();
                if (CheckSpellListView())
                {
                    this.Text = _masterForm.Caption;
                    CreateListView();
                    RefreshListview();
                    this.ShowDialog();
                }
            }
            catch (Exception e)
            {
                MessageBox.Show("Error: " + e.Message, "For Devloper:");
            }
        }
        
        #endregion

        #region CreateListView
        private void CreateListView()
        {
            _totColWid = 0;
            int noOfCol = 0;
            foreach (MasterFormlvw UIBEMFitem in _masterForm.Listviewcloumns)
            {
                _totColWid += UIBEMFitem.Width;
                noOfCol++;
            }
            int imageIndex = 0;

            if (_totColWid< this.lvwBEMF.Width-15)
            {
                int extraWidth = (this.lvwBEMF.Width-15) - _totColWid;
                int devidedExtraWidth = (int)extraWidth / noOfCol;
                foreach (MasterFormlvw UIBEMFitem in _masterForm.Listviewcloumns)
                {
                    this.lvwBEMF.Columns.Add(UIBEMFitem.PropertyName, UIBEMFitem.Caption, UIBEMFitem.Width + devidedExtraWidth, UIBEMFitem.ColumnAlignment, imageIndex);
                }
            }
            else
            {
                foreach (MasterFormlvw UIBEMFitem in _masterForm.Listviewcloumns)
                {
                    this.lvwBEMF.Columns.Add(UIBEMFitem.PropertyName, UIBEMFitem.Caption, UIBEMFitem.Width, UIBEMFitem.ColumnAlignment, imageIndex);
                }
            }
            
        }
        #endregion

        #region CheckSpellListView
        private bool CheckSpellListView()
        {
            bool correct = true;
            lvwBEMF.Items.Clear();
            foreach (var item in _masterForm.SourceCollection)
            {
                int count = 0;
                foreach (MasterFormlvw UIBEMFitem in _masterForm.Listviewcloumns)
                {
                    count++;
                    System.Reflection.PropertyInfo dispMem = item.GetType().GetProperty(UIBEMFitem.PropertyName);
                    if (dispMem == null)
                    {
                        MessageBox.Show("The property name " + UIBEMFitem.PropertyName.ToString() + "\n" + "does not belong to the object " + (item.GetType()).Name.ToString());
                        correct = false;
                        break;
                    }
                    if (correct == false)
                    {
                        break;
                    }
                }
            }

            return correct; 
        }
        #endregion

        #region RefreshListview
        private void RefreshSourceCollection()
        {
            try
            {
                Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Status").PropertyType;
                object enumValue = Enum.Parse(EnumPrpType, Convert.ToString(0));
                
                System.Type[] pararemterTypes = new System.Type[1];
                pararemterTypes[0] = EnumPrpType;
                System.Reflection.MethodInfo methodInfo=null;
                if(_masterForm.GetFunctionName=="")
                    methodInfo = (_masterForm.SingleForm.Source.GetType()).GetMethod("Get", pararemterTypes);
                else
                    methodInfo = (_masterForm.SingleForm.Source.GetType()).GetMethod(_masterForm.GetFunctionName, pararemterTypes);
               
                object[] parameterValue = new object[1];
                parameterValue[0] = enumValue;
                object ox = methodInfo.Invoke(_masterForm.SingleForm.Source, parameterValue);


                IList il = ox as IList;
                this._masterForm.SourceCollection = new ObjectsTemplate<ObjectTemplate>();
                foreach (var item in il)
                {
                    this._masterForm.SourceCollection.Add((ObjectTemplate)item);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("failed to call the function: get(status). Actual reason:" + ex.Message, "failed to call", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

            //this._masterForm.CopyCollList((ObjectsTemplate< ObjectTemplate > )ox);

            //if (this.RefreshMethodName == "")
            //{
            //    System.Reflection.MethodInfo methodInfo = (_masterForm.SingleForm.GetType()).GetMethod("Get", new Type[0]);
            //    object ox = methodInfo.Invoke(_masterForm.SingleForm, null);
            //    List<ObjectTemplate> items = (List < ObjectTemplate >) ox;
                                       

            //}
            //else
            //{
            //    try
            //    {
            //        //System.Reflection.MethodInfo methodInfo = (_masterForm.SourceCollection.GetType()).GetMethod(RefreshMethodName);
            //        //_masterForm.SourceCollection = methodInfo.Invoke(_masterForm.SourceCollection, RefreshMethodParams);
            //    }
            //    catch (Exception e)
            //    {
            //        MessageBox.Show(e.Message + "For Developer");
            //    }
            //}
        }

        private void RefreshListview()
        {

            lvwBEMF.Items.Clear();
            foreach (var item in _masterForm.SourceCollection)
            {
                ListViewItem ListItem = null;
                int i = 0;
                foreach (MasterFormlvw UIBEMFitem in _masterForm.Listviewcloumns)
                {
                    string str="";
                    if (UIBEMFitem.SourceCollection == null)
                    {
                        System.Reflection.PropertyInfo dispMem = item.GetType().GetProperty(UIBEMFitem.PropertyName);
                        if (dispMem.GetValue(item, null).GetType().FullName == "System.DateTime")
                            str =((DateTime)dispMem.GetValue(item, null)).ToString("dd MMM yyyy");
                        else str = dispMem.GetValue(item, null).ToString();
                        //lvwBEMF..BackColor = Color.Navy;
                    }
                    else
                    {
                        str = "";
                    }
                    str = str.Replace("\r\n", ", ");
                    str = str.Replace(",,", ",");
                    if (i == 0)
                    {
                        ListItem = new ListViewItem(str, 0);
                    }
                    else
                    {
                        ListItem.SubItems.Add(str);
                    }
                    i++;
                }
                ListItem.Tag = item;
                this.lvwBEMF.Items.Add(ListItem);
            }
        }
        #endregion

        #endregion

        #region Events

        private void btnAdd_Click(object sender, EventArgs e)
        {
            FrmBasicEntryForm form = new FrmBasicEntryForm();
            form.RefreshParent += new System.EventHandler(this.AddToColl);
            form.IncpUIConfig += new UIConfiguration(this.SingleFormUIConfiguration);
            form.ShowDialog(_masterForm.SingleForm, _masterForm.SingleForm.Source);  
        }
        private void SingleFormUIConfiguration(System.Windows.Forms.Form frm)
        {
            if (UpdateUIDesign != null)
            {
                UpdateUIDesign(frm);
            }
        }
        private void AddToColl(object sender, EventArgs e)
        {
            if (sender != null)
            {
                ObjectTemplate oTemplate = (ObjectTemplate)sender;
                //_masterForm.SourceCollection.Add(oTemplate);
                //RefreshSourceCollection();
                //RefreshListview();
                CollectAndLoadListView();
               
            }
        }
        private void btnEdit_Click(object sender, EventArgs e)
        {
            if (!btnEdit.Enabled)
                return;
            if (lvwBEMF.SelectedItems.Count <=0)
            {
                MessageBox.Show("Select an Item", "Edit", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }
            ObjectTemplate oLocked = (ObjectTemplate)lvwBEMF.SelectedItems[0].Tag;
            //object item = oLocked.GetType().GetProperty("Locked").GetValue(oLocked, null);
            //object itemLocked = oLocked.GetType().GetProperty("Locked").GetValue(oLocked, null);
            //if (!(bool)itemLocked)
            //{
            //    MessageBox.Show("Inorder to edit first lock the record.", "Cannot Edit", MessageBoxButtons.OK, MessageBoxIcon.Stop);
            //    return;
            //}
            FrmBasicEntryForm form = new FrmBasicEntryForm();
            form.IncpUIConfig += new UIConfiguration(this.SingleFormUIConfiguration);
            form.ShowDialog(_masterForm.SingleForm,(ObjectTemplate)lvwBEMF.SelectedItems[0].Tag);

            CollectAndLoadListView();
            //RefreshSourceCollection();
            //RefreshListview();            
        }
        private void btnDel_Click(object sender, EventArgs e)
        {
            if (lvwBEMF.SelectedItems.Count <= 0)
            {
                MessageBox.Show("Select an Item", "Delete", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }
            if (MessageBox.Show("Are you sure to delete selected item.!", "Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
            {
                return;
            }
            try
            {
                ObjectTemplate  oDele =(ObjectTemplate) lvwBEMF.SelectedItems[0].Tag;
                object[] obj = new object[1];
                obj[0] = oDele.ID;

                System.Reflection.MethodInfo methodInfoDel = (oDele.GetType()).GetMethod("Delete");
                methodInfoDel.Invoke(oDele, obj);
                
                _masterForm.SourceCollection.Remove(oDele.ID);
                ListViewItem oLItem = lvwBEMF.SelectedItems[0];
                lvwBEMF.Items.Remove(oLItem);
                lvwBEMF.Refresh();
                CollectAndLoadListView();
                //RefreshSourceCollection();
                //RefreshListview();
                MessageBox.Show("Data deleted successfully. ", "Deleted", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception exp)
            {
                MessageBox.Show(exp.InnerException.Message, "Can't Delete", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void Active(object sender, EventArgs e)
        {
            //if (lvwBEMF.SelectedItems.Count <= 0)
            //{
            //    MessageBox.Show("Select an Item", "Delete", MessageBoxButtons.OK, MessageBoxIcon.Information);
            //    return;
            //}
            //if (MessageBox.Show("Are you sure to delete selected item.!", "Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
            //{
            //    return;
            //}
            //try
            //{
            //    ObjectTemplate oDele = (ObjectTemplate)lvwBEMF.SelectedItems[0].Tag;
            //    object[] obj = new object[1];
            //    obj[0] = oDele.ID;


            //    Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Status").PropertyType;
            //    object enumValue = Enum.Parse(EnumPrpType, Convert.ToString(1)); // 1 mean Active

            //    System.Reflection.PropertyInfo pinfo = (oDele.GetType()).GetProperty("Status");
            //    pinfo.SetValue(oDele, enumValue,null);

            //    System.Reflection.MethodInfo methodInfoDel = (oDele.GetType()).GetMethod("Save");
            //    methodInfoDel.Invoke(oDele, obj);

            //    _masterForm.SourceCollection.Remove(oDele.ID);
            //    lvwBEMF.Refresh();
            //    RefreshSourceCollection();
            //    RefreshListview();
            //    MessageBox.Show("Data deleted successfully. ", "Deleted", MessageBoxButtons.OK, MessageBoxIcon.Information);
            //}
            //catch (Exception exp)
            //{
            //    MessageBox.Show(exp.InnerException.Message, "Can't Delete", MessageBoxButtons.OK, MessageBoxIcon.Error);
            //}
        }

        #endregion

        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void lvwBEMF_ColumnClick(object sender, ColumnClickEventArgs e)
        {
            try
            {
                //object[] param = new object[2];
                //param[0] = _masterForm.Listviewcloumns[e.Column].PropertyName;
                //param[1] = System.Windows.Forms.SortOrder.Descending;
                //System.Reflection.MethodInfo methodInfoDel = (_masterForm.SourceCollection.GetType()).GetMethod("Sort");
                //if (methodInfoDel != null)
                //    methodInfoDel.Invoke(_masterForm.SourceCollection, param);
                //RefreshListview();

                ListViewSorter Sorter = new ListViewSorter();
                lvwBEMF.ListViewItemSorter = Sorter;
                if (!(lvwBEMF.ListViewItemSorter is ListViewSorter))
                    return;
                Sorter = (ListViewSorter)lvwBEMF.ListViewItemSorter;

                if (lvwBEMF.Sorting == SortOrder.Ascending)
                    lvwBEMF.Sorting = SortOrder.Descending;
                else
                    lvwBEMF.Sorting = SortOrder.Ascending;
                
                Sorter.ByColumn = e.Column;
                lvwBEMF.Sort();
        
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void lvwBEMF_SelectedIndexChanged(object sender, EventArgs e)
        {
            ObjectTemplate oDele = null;
            try
            {
                if (lvwBEMF.SelectedItems.Count > 0)
                {
                    oDele = (ObjectTemplate)lvwBEMF.SelectedItems[0].Tag;
                    object[] obj = new object[1];
                    obj[0] = oDele.ID;
                    object status = oDele.GetType().GetProperty("Status").GetValue(oDele, null);
                    //object oLocked = oDele.GetType().GetProperty("Locked").GetValue(oDele, null);
                    if (status.ToString() == "Active")
                    {
                        btnActive.Text = "InActive";
                    }
                    else
                    {
                        btnActive.Text = "Active";
                    }
                    //if (Convert.ToBoolean(oLocked))
                    //{
                    //    btnLock.Text = "Unlock";
                    //}
                    //else
                    //{
                    //    btnLock.Text = "Lock";
                    //}
                }

            }
            catch (Exception exp)
            {
                MessageBox.Show(exp.InnerException.Message, "Active", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        //private void btnPreview_Click(object sender, EventArgs e)
        //{
        //    Report report = new Report(_masterForm);
        //    report.ReportOutput(Ease.Report.Designer.OutputType.OutPutTypePreview);
        //}

        //private void btnPrint_Click(object sender, EventArgs e)
        //{
        //    Report report = new Report(_masterForm);
        //    report.ReportOutput(Ease.Report.Designer.OutputType.OutPutTypePrint);

        //}

        //private void btnExport_Click(object sender, EventArgs e)
        //{
        //    Report report = new Report(_masterForm);
        //    report.ReportOutput(Ease.Report.Designer.OutputType.OutPutTypeExportXL);
        //}

        private void FrmMasterForm_Load(object sender, EventArgs e)
        {

        }

        /// <summary>
        ///  Paint the bottom of the panel
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void pnlBottom_Paint(object sender, PaintEventArgs e)
        {
            Rectangle BaseRectangle = new Rectangle(0, 0, this.pnlBottom.Width, this.pnlBottom.Height);
            Brush Gradient_Brush = new LinearGradientBrush(BaseRectangle, System.Drawing.Color.LightBlue, System.Drawing.Color.DarkBlue, LinearGradientMode.Vertical);
            e.Graphics.FillRectangle(Gradient_Brush, BaseRectangle);
        }

        private void FrmMasterForm_Paint(object sender, PaintEventArgs e)
        {
            //Rectangle BaseRectangle = new Rectangle(0, 0, this.Width, this.Height);
            //Brush Gradient_Brush = new LinearGradientBrush(BaseRectangle, System.Drawing.Color.WhiteSmoke, System.Drawing.Color.Gainsboro, LinearGradientMode.Horizontal);
            //e.Graphics.FillRectangle(Gradient_Brush, BaseRectangle);
        }

        private void btnActive_Click(object sender, EventArgs e)
        {
            if (lvwBEMF.SelectedItems.Count <= 0)
            {
                MessageBox.Show("Select an Item", "Active/InActive", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }
            if (MessageBox.Show("Are you sure to status change selected item.!", "Confirm Active/InActive", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
            {
                return;
            }
            try
            {
                
                ObjectTemplate oActive = (ObjectTemplate)lvwBEMF.SelectedItems[0].Tag;
                object[] obj = new object[1];
                obj[0] = oActive.ID;
                object status = oActive.GetType().GetProperty("Status").GetValue(oActive, null);
                object enumValue = null;                
                if(status.ToString()=="Active")
                {
                    Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Status").PropertyType;
                    enumValue = Enum.Parse(EnumPrpType, Convert.ToString(2));
                    System.Reflection.PropertyInfo pinfo = (oActive.GetType()).GetProperty("Status");
                    pinfo.SetValue(oActive, enumValue, null);
                    System.Reflection.MethodInfo methodInfoDel = (oActive.GetType()).GetMethod("Save");
                    methodInfoDel.Invoke(oActive, null);
                    lvwBEMF.Refresh();
                    //RefreshSourceCollection();
                    //RefreshListview();
                    CollectAndLoadListView();
                    MessageBox.Show("Data InActive successfully. ", "InActive", MessageBoxButtons.OK, MessageBoxIcon.Information);
               
                }
                else 
                {
                    //Modified By Chapal
                    //if (this._masterForm.FormName.ToLower() == "froles")
                    //{
                    //    object createdBy = oActive.GetType().GetProperty("CreatedBy").GetValue(oActive, null);
                    //    if (createdBy.ToString() == Payroll.BO.User.CurrentUser.ID.Integer.ToString())
                    //    {
                    //        MessageBox.Show("You cannot active this role.", "Failed to active", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    //        return;
                    //    }
                    //    System.Reflection.PropertyInfo pinfo1 = (oActive.GetType()).GetProperty("AuthorizedBy");
                    //    pinfo1.SetValue(oActive, Payroll.BO.User.CurrentUser.ID, null);
                        
                    //}
                    Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Status").PropertyType;
                    enumValue = Enum.Parse(EnumPrpType, Convert.ToString(1));
                    System.Reflection.PropertyInfo pinfo = (oActive.GetType()).GetProperty("Status");
                    pinfo.SetValue(oActive, enumValue, null);
                   
                    System.Reflection.MethodInfo methodInfoDel = (oActive.GetType()).GetMethod("Save");
                    methodInfoDel.Invoke(oActive, null);
                    lvwBEMF.Refresh();
                    
                    //RefreshSourceCollection();
                    //RefreshListview();
                    CollectAndLoadListView();
                    MessageBox.Show("Data Activated successfully. ", "Activated", MessageBoxButtons.OK, MessageBoxIcon.Information);

                }

            }
            catch (Exception exp)
            {
                MessageBox.Show(exp.InnerException.Message, "Can't Active", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        private void btnUp_Click(object sender, EventArgs e)
        {
            try
            {
                if (lvwBEMF.SelectedItems.Count <= 0)
                {
                    MessageBox.Show("Select an item to set sequence", "Can't Set Sequenct", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    lvwBEMF.Focus();
                    return;
                }

                if (lvwBEMF.Items.Count <= 1)
                {
                    return;
                }

                int selectedRowIndex = lvwBEMF.Items.IndexOf(lvwBEMF.SelectedItems[0]);
                if (selectedRowIndex < 1)
                    return;
                ObjectTemplate oUp = (ObjectTemplate)lvwBEMF.SelectedItems[0].Tag;
                ObjectTemplate oDown = (ObjectTemplate)lvwBEMF.Items[selectedRowIndex - 1].Tag;

                //For Up Position
                object UpsequenceNo = oUp.GetType().GetProperty("Sequence").GetValue(oUp, null);
                object DWsequenceNo = oDown.GetType().GetProperty("Sequence").GetValue(oDown, null);
                
                object TempSeq = UpsequenceNo;
                UpsequenceNo = DWsequenceNo;
                DWsequenceNo = TempSeq;

                System.Reflection.PropertyInfo UPpinfo = (oUp.GetType()).GetProperty("Sequence");
                UPpinfo.SetValue(oUp, UpsequenceNo, null);
                
                System.Reflection.MethodInfo methodInfoUp = (oUp.GetType()).GetMethod("Save");
                methodInfoUp.Invoke(oUp, null);

                System.Reflection.PropertyInfo DWpinfo = (oDown.GetType()).GetProperty("Sequence");
                UPpinfo.SetValue(oDown, DWsequenceNo, null);

                System.Reflection.MethodInfo methodInfoDW = (oDown.GetType()).GetMethod("Save");
                methodInfoDW.Invoke(oDown, null);
               
                lvwBEMF.Refresh();
                RefreshSourceCollection();
                RefreshListview();
                
                lvwBEMF.Items[selectedRowIndex - 1].Selected = true;
                lvwBEMF.SelectedItems[0].BackColor = Color.Navy;
                lvwBEMF.SelectedItems[0].ForeColor = Color.White;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Cannot Set Sequence", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        private void btnDown_Click(object sender, EventArgs e)
        {
            try
            {
                if (lvwBEMF.SelectedItems.Count <= 0)
                {
                    MessageBox.Show("Select an item to set sequence", "Can't Set Sequenct", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    lvwBEMF.Focus();
                    return;
                }

                if (lvwBEMF.Items.Count <= 1)
                {
                    return;
                }

                int selectedRowIndex = lvwBEMF.Items.IndexOf(lvwBEMF.SelectedItems[0]);
                if (selectedRowIndex >= (lvwBEMF.Items.Count - 1))
                    return;
                ObjectTemplate oUp = (ObjectTemplate)lvwBEMF.Items[selectedRowIndex + 1].Tag;
                ObjectTemplate oDown = (ObjectTemplate)lvwBEMF.SelectedItems[0].Tag;

                //For Down Position
                object UpsequenceNo = oUp.GetType().GetProperty("Sequence").GetValue(oUp, null);
                object DWsequenceNo = oDown.GetType().GetProperty("Sequence").GetValue(oDown, null);

                object TempSeq = UpsequenceNo;
                UpsequenceNo = DWsequenceNo;
                DWsequenceNo = TempSeq;

                System.Reflection.PropertyInfo UPpinfo = (oUp.GetType()).GetProperty("Sequence");
                UPpinfo.SetValue(oUp, UpsequenceNo, null);

                System.Reflection.MethodInfo methodInfoUp = (oUp.GetType()).GetMethod("Save");
                methodInfoUp.Invoke(oUp, null);

                System.Reflection.PropertyInfo DWpinfo = (oDown.GetType()).GetProperty("Sequence");
                UPpinfo.SetValue(oDown, DWsequenceNo, null);

                System.Reflection.MethodInfo methodInfoDW = (oDown.GetType()).GetMethod("Save");
                methodInfoDW.Invoke(oDown, null);

                lvwBEMF.Refresh();
                RefreshSourceCollection();
                RefreshListview();

                lvwBEMF.Items[selectedRowIndex + 1].Selected = true;
                lvwBEMF.SelectedItems[0].BackColor = Color.Navy;
                lvwBEMF.SelectedItems[0].ForeColor = Color.White;

            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Cannot Set Sequence", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        private void CollectAndLoadListView()
        {
            Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Status").PropertyType;
            
            object enumValue;
            if(chkActive.Checked==true)
                enumValue = Enum.Parse(EnumPrpType, ((int)EnumStatus.Active).ToString());
            else
                enumValue = Enum.Parse(EnumPrpType, ((int)EnumStatus.Inactive).ToString());

            System.Type[] pararemterTypes = new System.Type[1];
            pararemterTypes[0] = EnumPrpType;
            System.Reflection.MethodInfo methodInfo = null;

            if (_masterForm.GetFunctionName == "")
            {
                methodInfo = (_masterForm.SingleForm.Source.GetType()).GetMethod("Get", pararemterTypes);
            }
            else
            {
                methodInfo = (_masterForm.SingleForm.Source.GetType()).GetMethod(_masterForm.GetFunctionName, pararemterTypes);
            }

            object[] parameterValue = new object[1];
            parameterValue[0] = enumValue;
            object ox = methodInfo.Invoke(_masterForm.SingleForm.Source, parameterValue);

            IList il = ox as IList;
            this._masterForm.SourceCollection = new ObjectsTemplate<ObjectTemplate>();
            foreach (var item in il)
            {
                this._masterForm.SourceCollection.Add((ObjectTemplate)item);
            }

            RefreshListview();
        }

        private void chkActive_CheckedChanged(object sender, EventArgs e)
        {
            CollectAndLoadListView();
        }

        private void btnPreview_Click(object sender, EventArgs e)
        {
            DataSet dSet = new DataSet();
            String RDLC = string.Empty;
            ListView.ListViewItemCollection lsvCollection = this.lvwBEMF.Items;
            DataTable oDataTable = null;
            BasicReport oBasicReport = new BasicReport();
            oDataTable = oBasicReport.CommonReport(lsvCollection);
            oDataTable.TableName = "PayrollDataSet_BasicReport";
            RDLC = "Payroll.Report.RDLC.BasicReport.rdlc";
            dSet.Tables.Add(oDataTable);

            fReportViewer  form = new fReportViewer();
            //_item = ReportItem.GetByReportType(Convert.ToInt32(_reportType));

            //PrepareData();
            form.ShowDlg(dSet, RDLC);
        }

        private void bttnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btnLock_Click(object sender, EventArgs e)
        {
            //if (lvwBEMF.SelectedItems.Count <= 0)
            //{
            //    MessageBox.Show("Select an Item", "Lock/Unlock", MessageBoxButtons.OK, MessageBoxIcon.Information);
            //    return;
            //}
            //if (MessageBox.Show("Are you sure to lock selected item.!", "Confirm Lock/Unlock", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
            //{
            //    return;
            //}
            //try
            //{

            //    ObjectTemplate oLocked = (ObjectTemplate)lvwBEMF.SelectedItems[0].Tag;
            //    object[] obj = new object[1];
            //    obj[0] = oLocked.ID;
            //    object item = oLocked.GetType().GetProperty("Locked").GetValue(oLocked, null);
            //    object itemUSer = oLocked.GetType().GetProperty("ModifiedBy").GetValue(oLocked, null);
            //    object enumValue = null;
            //    if ((Boolean)item)
            //    {
            //        if (User.CurrentUser.ID.Integer ==Convert.ToInt16(itemUSer.ToString()))
            //        {
            //            Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Locked").PropertyType;
            //            enumValue = false;
            //            System.Reflection.PropertyInfo pinfo = (oLocked.GetType()).GetProperty("Locked");
            //            pinfo.SetValue(oLocked, enumValue, null);
            //            System.Reflection.MethodInfo methodInfoDel = (oLocked.GetType()).GetMethod("Save");
            //            methodInfoDel.Invoke(oLocked, null);
            //            lvwBEMF.Refresh();
            //            RefreshSourceCollection();
            //            RefreshListview();
            //            MessageBox.Show("Data unlocked successfully. ", "Unlocked", MessageBoxButtons.OK, MessageBoxIcon.Information);
            //        }
            //        else
            //        {
            //            MessageBox.Show("This record is locked by another user\nYou cannot unlock this record. ", "Unlock Faild", MessageBoxButtons.OK, MessageBoxIcon.Error);
            //        }

            //    }
            //    else
            //    {
            //        Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Locked").PropertyType;
            //        enumValue = true;
            //        System.Reflection.PropertyInfo pinfo = (oLocked.GetType()).GetProperty("Locked");
            //        pinfo.SetValue(oLocked, enumValue, null);
            //        System.Reflection.MethodInfo methodInfoDel = (oLocked.GetType()).GetMethod("Save");
            //        methodInfoDel.Invoke(oLocked, null);
            //        lvwBEMF.Refresh();
            //        RefreshSourceCollection();
            //        RefreshListview();
            //        MessageBox.Show("Data locked successfully. ", "Locked", MessageBoxButtons.OK, MessageBoxIcon.Information);

            //    }

            //}
            //catch (Exception exp)
            //{
            //    MessageBox.Show(exp.InnerException.Message, "Can't Lock", MessageBoxButtons.OK, MessageBoxIcon.Error);
            //}
        }

        private void btnAuthorized_Click(object sender, EventArgs e)
        {
            //if (lvwBEMF.SelectedItems.Count <= 0)
            //{
            //    MessageBox.Show("Select an Item", "Authorize", MessageBoxButtons.OK, MessageBoxIcon.Information);
            //    return;
            //}
            //if (MessageBox.Show("Are you sure to authorize change selected item.!", "Confirm Authorize", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
            //{
            //    return;
            //}
            //try
            //{

            //    ObjectTemplate oAuthorizeed = (ObjectTemplate)lvwBEMF.SelectedItems[0].Tag;
            //    object[] obj = new object[1];
            //    obj[0] = oAuthorizeed.ID;
            //    object item = oAuthorizeed.GetType().GetProperty("Authorized").GetValue(oAuthorizeed, null);
            //    object itemLocked = oAuthorizeed.GetType().GetProperty("Locked").GetValue(oAuthorizeed, null);
            //    object enumValue = null;
            //    if ((bool)itemLocked)
            //    {
            //        MessageBox.Show("Selected item is locked,you canott authorize", "Authorization Failed", MessageBoxButtons.OK, MessageBoxIcon.Stop);
            //        return;
            //    }                
            //    enumValue = true;
            //    System.Reflection.PropertyInfo pinfo = (oAuthorizeed.GetType()).GetProperty("Authorized");
            //    pinfo.SetValue(oAuthorizeed, enumValue, null);
            //    System.Reflection.MethodInfo methodInfoDel = (oAuthorizeed.GetType()).GetMethod("Save");
            //    methodInfoDel.Invoke(oAuthorizeed, null);
            //    lvwBEMF.Refresh();
            //    RefreshSourceCollection();
            //    RefreshListview();
            //    MessageBox.Show("Data authorized successfully. ", "Authorized", MessageBoxButtons.OK, MessageBoxIcon.Information);               

            //}
            //catch (Exception exp)
            //{
            //    MessageBox.Show(exp.InnerException.Message, "Can't Active", MessageBoxButtons.OK, MessageBoxIcon.Error);
            //}
        }

        private void chkAuthorized_CheckedChanged(object sender, EventArgs e)
        {
            if (chkAuthorized.Checked == true)
            {
                chkAuthorized.Text = "Only Authorized";
                Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Authorized").PropertyType;
                object enumValue = true;

                System.Type[] pararemterTypes = new System.Type[1];
                pararemterTypes[0] = EnumPrpType;
                System.Reflection.MethodInfo methodInfo = null;
                if (_masterForm.GetFunctionName == "")
                {
                    methodInfo = (_masterForm.SingleForm.Source.GetType()).GetMethod("Get", pararemterTypes);
                }
                else
                {
                    methodInfo = (_masterForm.SingleForm.Source.GetType()).GetMethod(_masterForm.GetFunctionName, pararemterTypes);
                }
                object[] parameterValue = new object[1];
                parameterValue[0] = enumValue;
                object ox = methodInfo.Invoke(_masterForm.SingleForm.Source, parameterValue);


                IList il = ox as IList;
                this._masterForm.SourceCollection = new ObjectsTemplate<ObjectTemplate>();
                foreach (var item in il)
                {
                    this._masterForm.SourceCollection.Add((ObjectTemplate)item);
                }
            }
            else
            {
                chkAuthorized.Text = "All Data";
                Type EnumPrpType = _masterForm.SingleForm.Source.GetType().GetProperty("Authorized").PropertyType;
                object enumValue = false;

                System.Type[] pararemterTypes = new System.Type[1];
                pararemterTypes[0] = EnumPrpType;
                System.Reflection.MethodInfo methodInfo = null;

                if (_masterForm.GetFunctionName == "")
                {
                    methodInfo = (_masterForm.SingleForm.Source.GetType()).GetMethod("Get", pararemterTypes);
                }
                else
                {
                    methodInfo = (_masterForm.SingleForm.Source.GetType()).GetMethod(_masterForm.GetFunctionName, pararemterTypes);
                }
                object[] parameterValue = new object[1];
                parameterValue[0] = enumValue;
                object ox = methodInfo.Invoke(_masterForm.SingleForm.Source, parameterValue);


                IList il = ox as IList;
                this._masterForm.SourceCollection = new ObjectsTemplate<ObjectTemplate>();
                foreach (var item in il)
                {
                    this._masterForm.SourceCollection.Add((ObjectTemplate)item);
                }
            }
            RefreshListview();
        }

    }
}

public class ListViewSorter : System.Collections.IComparer
{
    public int Compare(object o1, object o2)
    {
        if (!(o1 is ListViewItem))
            return (0);
        if (!(o2 is ListViewItem))
            return (0);

        ListViewItem lvi1 = (ListViewItem)o2;
        string str1 = lvi1.SubItems[ByColumn].Text;
        ListViewItem lvi2 = (ListViewItem)o1;
        string str2 = lvi2.SubItems[ByColumn].Text;

        int result;
        if (lvi1.ListView.Sorting == SortOrder.Ascending)
            result = String.Compare(str1, str2);
        else
            result = String.Compare(str2, str1);

        LastSort = ByColumn;

        return (result);
    }

    public int ByColumn
    {
        get { return Column; }
        set { Column = value; }
    }
    int Column = 0;

    public int LastSort
    {
        get { return LastColumn; }
        set { LastColumn = value; }
    }
    int LastColumn = 0;
}