GPW/GPW_Admin/WebUserControls/cmp_elencoGruppi.ascx.cs

using GPW_data;
using SteamWare;
using System;
using System.Data;
using System.Web.UI.WebControls;

namespace GPW_Admin.WebUserControls
{
    public partial class cmp_elencoGruppi : BaseUserControl
    {
        #region Public Properties

        public string gruppoSel
        {
            get
            {
                string answ = "";
                if (grView.SelectedIndex >= 0)
                {
                    answ = $"{grView.SelectedValue}";
                }
                return answ;
            }
        }

        #endregion Public Properties

        #region Protected Methods

        /// <summary>
        /// gestione evento richiesta nuovo valore (mostra footer, ...)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnNew_Click(object sender, EventArgs e)
        {
            DataProxy.DP.taGruppi.insertQuery("_New GROUP", "Descrizione", "", true);
            resetSelezione();
        }

        /// <summary>
        /// reset della selezione
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnReset_Click(object sender, EventArgs e)
        {
            resetSelezione();
        }

        /// <summary>
        /// elenco colonne del datagrid
        /// </summary>
        /// <returns></returns>
        protected DataColumnCollection colonneObj()
        {
            DataColumnCollection colonne = null;
            using (
            DS_Applicazione.AnagClientiDataTable tabella = new DS_Applicazione.AnagClientiDataTable())
            {
                colonne = tabella.Columns;
            }
            return colonne;
        }

        /// <summary>
        /// traduce gli header delle colonne
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void grView_DataBound(object sender, EventArgs e)
        {
            if (grView.Rows.Count > 0)
            {
                LinkButton lb;
                // aggiorno gli headers
                foreach (TableCell cella in grView.HeaderRow.Cells)
                {
                    try
                    {
                        lb = (LinkButton)cella.Controls[0];
                        lb.Text = traduci(lb.Text);
                    }
                    catch
                    { }
                }
                int totRecord = grView.Rows.Count + grView.PageSize * (grView.PageCount - 1);
                lblNumRec.Text = string.Format("{0} records of ~ {1}", grView.Rows.Count, totRecord);
            }
            else
            {
                lblNumRec.Text = "";
            }
        }

        protected void grView_SelectedIndexChanged(object sender, EventArgs e)
        {
            raiseEvent();
        }

        /// <summary>
        /// annulla inserimento nuovo valore da footer
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void lblCanc_click(object sender, EventArgs e)
        {
            // annullo inserimento: nascondo footer, bind controlli...
            grView.FooterRow.Visible = false;
        }

        /// <summary>
        /// inserisce nuovo valore da footer
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void lblIns_click(object sender, EventArgs e)
        {
            // click su inserimento, chiamo il metodo insert dell'ObjectDataSource
            ods.Insert();
        }

        /// <summary>
        /// check licenze in fase di update...
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ods_Updating(object sender, ObjectDataSourceMethodEventArgs e)
        {
            if (!licenzeGPW.checkLicenze)
            {
                if (e != null)
                {
                    // annullo insert se licenze sforate...
                    e.Cancel = true;
                    grView.EditIndex = -1;
                    grView.DataBind();
                }
            }
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            grView.PageSize = utils.pageSize;
        }

        #endregion Protected Methods

        #region Public Methods

        /// <summary>
        /// determina se sia eliminabile il record (=non usato)
        /// </summary>
        /// <param name="idxMaker"></param>
        /// <returns></returns>
        public bool delEnabled(object gruppo)
        {
            bool answ = true;
            // solo se ha diritti scrittura controllo
            if (gruppo != null)
            {
                answ = !hasChildObj($"{gruppo}");
            }
            return answ;
        }

        public void doUpdate()
        {
            grView.PageSize = utils.pageSize;
            grView.DataBind();
        }

        /// <summary>
        /// Determina se abbia child obj --> NON eliminabile
        /// </summary>
        /// <param name="gruppo"></param>
        /// <returns></returns>
        public bool hasChildObj(string gruppo)
        {
            bool answ = false;
            string redKey = memLayer.ML.redHash($"gruppoHasChildObj:{gruppo}");
            // cerco inc ache redis...
            string rawData = memLayer.ML.getRSV(redKey);
            if (rawData == null)
            {
                int trovati = DataProxy.DP.taVSD.getByGruppo(gruppo, false).Rows.Count;
                answ = (trovati > 0);
                memLayer.ML.setRSV(redKey, $"{answ}", 60 * 5);
            }
            else
            {
                bool.TryParse(rawData, out answ);
            }
            return answ;
        }

        /// <summary>
        /// resetta la selezione dei valori in caso di modifiche su altri controlli
        /// </summary>
        public void resetSelezione()
        {
            grView.SelectedIndex = -1;
            grView.DataBind();
            raiseReset();
        }

        #endregion Public Methods
    }
}