void OnTagRead(NfcTag tag)
{
try
{
string msg;
_tag = tag;
if (_tag == null)
{
msg = "Internal error, The Tag is Invalid!";
WarnNotify("Warning|" + msg);
return;
}
if ((tag.Content == null) || (tag.Content.Count == 0))
{
if (!tag.IsLocked())
{
msg = "The Device has no valid content yet. You may proceed with Tag Writting.";
WarnNotify("Warning|" + msg);
}
else
{
msg = "The Tag has no valid content, but is not writable";
WarnNotify("Warning|" + msg);
}
}
else
{
var ndef = tag.Content.FirstOrDefault();
switch (ndef)
{
case null:
msg = "This Tag is Empty.";
WarnNotify("Warning|" + msg);
return;
case RtdSmartPoster smart:
txtStudentMatric.Text = smart.Title.FirstOrDefault()?.Value ?? "";
btnStudentRequest_Click(this, EventArgs.Empty);
msg = "Valid EdBoxPremium Student.";
SuccessNotify("Awesome|" + msg);
break;
default:
msg = "Data found but its not a EdBoxPremium Data.";
WarnNotify("Warning|" + msg);
break;
}
}
}
catch (Exception ex)
{
ErrorHandler.TreatError(ex);
}
}
void OnTagRead(NfcTag tag)
{
try
{
string msg;
_tag = tag;
_studentData = null;
if (_tag == null)
{
msg = "Internal error, The Tag is Invalid!";
WarnNotify("Warning|" + msg);
return;
}
if ((tag.Content == null) || (tag.Content.Count == 0))
{
if (!tag.IsLocked())
{
msg = "The Device has no valid content yet. You may proceed with Tag Writting.";
WarnNotify("Warning|" + msg);
}
else
{
msg = "The Tag has no valid content, but is not writable";
WarnNotify("Warning|" + msg);
}
}
else
{
var ndef = tag.Content.FirstOrDefault();
switch (ndef)
{
case null:
msg = "This Tag is Empty.";
WarnNotify("Warning|" + msg);
return;
case RtdSmartPoster smart:
using (var localEntities = new LocalEntities())
{
var matricNumber = smart.Title.FirstOrDefault()?.Value ?? "";
_studentData =
localEntities.Student_ProfileData.FirstOrDefault(x =>
x.MatricNumber == matricNumber && x.TagId == _tagUID);
msg = _studentData == null
? "No Student Record, Access Denied."
: $"{_studentData.FirstName} {_studentData.LastName}, Access Granted";
var speak = new SpeechSynthesizer();
speak.SpeakAsync(msg);
}
SuccessNotify("Awesome|" + msg);
break;
default:
msg = "Data found but its not an EdBoxPremium Data.";
WarnNotify("Warning|" + msg);
break;
}
}
}
catch (Exception ex)
{
ErrorHandler.TreatError(ex);
}
}
void OnTagRead(NfcTag _tag)
{
tag = _tag;
Trace.WriteLine("Read terminated");
if (tag == null)
{
MessageBox.Show("Internal error, tag is null!");
return;
}
if ((tag.Content == null) || (tag.Content.Count == 0))
{
if (!tag.IsLocked())
{
MessageBox.Show("The Tag has no valid content yet. You may create your own content and write it onto the tag", "This NFC Tag is empty");
setEditable(true);
}
else
{
MessageBox.Show("The Tag has no valid content, but is not writable", "This NFC Tag is empty");
}
}
else
{
Unselect();
for (int i = 0; i < tag.Content.Count; i++)
{
/* Display the first record we support in the tag's content */
Ndef ndef = tag.Content[i];
if (ndef is RtdSmartPoster)
{
SelectSmartPoster();
}
else
if (ndef is RtdUri)
{
SelectUri();
}
else
if (ndef is RtdText)
{
SelectText();
}
else
if (ndef is RtdVCard)
{
SelectVCard();
}
else
if (ndef is RtdMedia)
{
SelectMedia();
}
else
if (ndef is RtdHandoverSelector)
{
SelectWifiHandover();
}
if (control != null)
{
control.SetContent(ndef);
break;
}
}
if (!tag.IsLocked())
{
/* It will be possible to rewrite the tag */
setEditable(true);
}
if (control == null)
{
/* No supported record has been found */
Unselect();
MessageBox.Show("This Tag contains a valid content, but this application doesn't know how to display it", "This NFC Tag is not supported");
}
}
}