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

namespace Payroll.Controls.CustomControls
{
    public partial class ctlMultipleEmployee : UserControl
    {
        #region Declaration and Contructor

        public delegate void ItemChangedEventHandeler();
        private bool _IsInternal = false;
        private ObjectsTemplate<SearchEmployee> _Employees = null;
        public event ItemChangedEventHandeler ItemChanged;
        public ObjectsTemplate<Grade> _Grades = null;

        public ctlMultipleEmployee()
        {
            InitializeComponent();
        }

        #endregion

        #region Property
        public ObjectsTemplate<SearchEmployee> SelectedEmployees
        {
            get
            {
                return _Employees;
            }
            set
            {
                if(value!= null && value.TrueForAll(o=> ValidEmployee(o)))
                {
                    _Employees = value;
                    RefreshControl(); 
                }
            }
        }

        public ObjectsTemplate<Grade> Grades
        {
            get
            {
                return _Grades;
            }
            set
            {
                _Grades = value;
            }
        }

        public string SearchCriteria
        {
            get;
            private set;
        }

        #endregion

        #region Public Function

        public void Clear()
        {
            _IsInternal = true;
            lblText.Text = string.Empty;
            _IsInternal = false;
            _Employees = null;
            SearchCriteria = string.Empty;
            RefreshControl();
        }


        #endregion

        #region Private Function

        private bool ValidEmployee(SearchEmployee oEmp)
        {
            bool isValid = true;
            if (_Grades != null)
            {
               isValid = _Grades.Contains(oEmp.GradeID);
            }
            return isValid;
        }

        private void RefreshControl()
        {
            _IsInternal = true;
          
            if (_Employees != null)
            {
                lblText.Text = "Employee Count: " + _Employees.Count;
                btnClear.Enabled = true;
            }
            else
            {
                lblText.Text = string.Empty;
                btnClear.Enabled = false;
            }
            _IsInternal = false;
            if (ItemChanged != null)
            {
                ItemChanged();
            }
        }

        #endregion

        #region Events

        private void btnPeek_Click(object sender, EventArgs e)
        {
            fSearchEmployee search = new fSearchEmployee();
           // search.SetEmployees(_Employees);
            search.MultipleSelection = true;
            if (this.Grades != null)
            {
                search.Grades = this.Grades;
            }
            search.ShowDialog();
            
            if (search.SelectedEmployees != null)
            {
                _Employees = search.SelectedEmployees;
                SearchCriteria = search.SearchCriteria;
                RefreshControl();
            }
            
        }
        
        private void btnClear_Click(object sender, EventArgs e)
        {
            Clear();
        }

        #endregion

        //private void ctlEmployee_Resize(object sender, EventArgs e)
        //{
        //    //lblText.Left = 4;
        //    //lblText.Top = 4;
        //    //lblText.Width = Convert.ToInt32(Convert.ToDouble(this.Width) * 0.30);
        //    //lblText.Width = lblText.Width > 100 ? 100 : lblText.Width;
        //    //btnPeek.Top = 2;
        //    //btnPeek.Left = lblText.Width + 7;
        //    //txtDescription.Top = 4;
        //    //txtDescription.Left = lblText.Width + 10 + btnPeek.Width;
        //    //txtDescription.Width = this.Width - lblText.Width - btnPeek.Width - 10;  
        //}

        //private void lblText_TextChanged(object sender, EventArgs e)
        //{
        //    if (!_IsInternal)
        //    {
        //        GetEmployee();
        //    }
        //}

        //private void GetEmployee()
        //{
        //    try
        //    {
        //        Employee oEmp = null;
        //        if (lblText.Text.Trim().Length > 0)
        //        {
        //           oEmp = Employee.Get(lblText.Text);
        //        }
        //        _Employees = null;
        //        if (oEmp != null)
        //        {
        //            if (ValidEmployee(oEmp.GetSearchEmployee()))
        //            {
        //                _Employees = oEmp.GetSearchEmployee();
        //            }
        //        }
        //        if(_Employees != null)
        //            RefreshControl();
        //    }
        //    catch (Exception ex)
        //    {
        //        MessageBox.Show(ex.Message);
        //    }
        //}

    }
}