Samuele E. Locatelli
101 lines
2.5 KiB
C#
101 lines
2.5 KiB
C#
using System;
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using System.Web.UI;
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namespace NKC_WF.WebUserControls
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{
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public partial class cmp_barcode : BaseUserControl
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!Page.IsPostBack)
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{
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resetMessage();
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}
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else if (string.IsNullOrEmpty(inputAcquired))
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{
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checkRaiseEv();
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}
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}
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protected string lastCmd
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{
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get
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{
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return hfLastCmd.Value;
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}
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set
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{
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hfLastCmd.Value = value;
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}
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}
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public void resetMessage()
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{
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lblOutput.Visible = false;
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lblOutput.Text = "";
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}
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protected void txtBarcode_TextChanged(object sender, EventArgs e)
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{
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checkRaiseEv();
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}
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private void checkRaiseEv()
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{
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if (lastCmd != inputAcquired)
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{
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// alzo evento SOLO SE il nuovo valore è diverso da null...
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lastCmd = inputAcquired;
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if (!string.IsNullOrEmpty(inputAcquired))
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{
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raiseEvent();
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}
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}
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else
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{
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if (string.IsNullOrEmpty(lastCmd))
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{
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resetMessage();
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}
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}
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txtBarcode.Focus();
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}
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/// <summary>
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/// Valore acquisito in lettura barcode
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/// </summary>
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public string inputAcquired
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{
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get
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{
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return txtBarcode.Text.Trim();
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}
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set
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{
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txtBarcode.Text = "";
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}
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}
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/// <summary>
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/// Reset input del barcode SENZA generare evento...
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/// </summary>
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/// <returns></returns>
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public void resetInput()
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{
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inputAcquired = "";
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txtBarcode.Focus();
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}
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/// <summary>
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/// Gestione output da mostrare (opzionale
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/// </summary>
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/// <param name="cssClass"></param>
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/// <param name="messaggio"></param>
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public void showOutput(string cssClass, string messaggio)
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{
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// In primis: mostro qualcosa SOLO SE ho del testo
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lblOutput.Visible = !string.IsNullOrEmpty(messaggio);
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lblOutput.Text = messaggio;
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lblOutput.Attributes.Remove("class");
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lblOutput.Attributes.Add("class", cssClass);
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}
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}
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} |