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;

namespace Payroll.Controls.CustomControls
{
    public partial class ctlApprovedRequisitionPicker : UserControl
    {
        public delegate void ItemChangedEventHandeler();
        public event ItemChangedEventHandeler ItemChanged;        
        private ObjectsTemplate<CreatedRequisition> _oSelectedRequisitions;
        private CreatedRequisition _oSelectedRequisition;
        private string _selText = "";
        public ctlApprovedRequisitionPicker()
        {
            InitializeComponent();
        }
        #region Property IsEmpty : bool
        private bool _isEmpty;
        public bool IsEmpty
        {
            get
            {
                _isEmpty = (lblText.Text.Trim().Length <= 0);
                return _isEmpty;
            }

        }
        #endregion

        #region Is Multiple
        private bool _isMultiple;
        public bool IsMultiple
        {
            get
            {
                return _isMultiple;
            }
            set
            {
                _isMultiple = value;
            }
        }
        #endregion     

        public void Clear()
        {
            this.btnClear_Click(null, null);
        }



        public ObjectsTemplate<CreatedRequisition> SelectedRequisitions
        {
            get
            {
                return _oSelectedRequisitions;
            }
            set
            {
                _oSelectedRequisitions = value;
                RefreshControls();
            }
        }
        public string SelectedText
        {
            get
            {
                return _selText;
            }
            set
            {
                _selText = value;                
            }
        }
        public CreatedRequisition SelectedRequisition
        {
            get
            {
                return _oSelectedRequisition;
            }
            set
            {
                _oSelectedRequisition = value;
                RefreshControls();
            }
        }

        private void btnSearch_Click(object sender, EventArgs e)
        {
            fCreatedRequisition oItem = new fCreatedRequisition();
            oItem.Showdlg(this.IsMultiple);
            if (this.IsMultiple)
            {
                if (oItem.SelectedRequisitions != null)
                {
                    _oSelectedRequisitions = oItem.SelectedRequisitions;
                    RefreshControls();
                }
            }
            else
            {
                if (oItem.SelectedRequisition != null)
                {
                    _oSelectedRequisition = oItem.SelectedRequisition;
                    RefreshControl();
                }
            }
        }

        private void RefreshControl()
        {
            if (_oSelectedRequisition != null)
            {
                lblText.Text = _oSelectedRequisition.Name;
                _selText = lblText.Text;
            }
            try
            {
                if (ItemChanged != null)
                {
                    ItemChanged();
                }
            }
            catch { }
        }

        private void RefreshControls()
        {
            string s = "";
            if (_oSelectedRequisitions != null)
            {
                foreach (CreatedRequisition item in _oSelectedRequisitions)
                {
                    s += item.Name + " , ";
                }
                if (s.Length > 2)
                    lblText.Text = s.Remove(s.Length - 2);
                _selText = lblText.Text;
            }
            try
            {
                if (ItemChanged != null)
                {
                    ItemChanged();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error occured during populate control.", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }


        private void btnClear_Click(object sender, EventArgs e)
        {
            _oSelectedRequisitions = null;
            _oSelectedRequisition = null;
            lblText.Text = "";
        }

        private void ctlApprovedRequisitionPicker_Resize(object sender, EventArgs e)
        {
            lblText.Left = 1;
            btnSearch.Left = lblText.Width + 1;
            btnClear.Left = btnSearch.Left + btnSearch.Width + 3;
        }

        
    }
}