private void butDone_Click(object sender, EventArgs e)
{
if (IsSimpleMode)
{
labelForms.Visible = false;
listForms.Visible = false;
butDone.Visible = false;
Sheets.ClearFromTerminal(PatNum);
PatNum = 0;
labelThankYou.Visible = true;
}
else
{
Sheets.ClearFromTerminal(PatNum);
UnloadPatient();
//tell the database about it so that the terminal manager can see
TerminalActive terminal = TerminalActives.GetTerminal(Environment.MachineName);
if (terminal == null)
{
return;
}
terminal.PatNum = 0;
TerminalActives.Update(terminal);
}
}
///<summary>Only in nonSimpleMode. Occurs every 4 seconds. Checks database for status changes.</summary>
private void timer1_Tick(object sender, EventArgs e)
{
TerminalActive terminal;
try{
terminal = TerminalActives.GetTerminal(Environment.MachineName);
labelConnection.Visible = false;
}
catch { //SocketException if db connection gets lost.
labelConnection.Visible = true;
return;
}
if (terminal == null)
{
return;
}
if (terminal.PatNum == PatNum)
{
return;
}
//someone changed the PatNum remotely from the terminal manager.
if (terminal.PatNum == 0) //force clearing of patient (rare)
{
UnloadPatient();
}
else //receptionist wants to load up a patient. This should also work if patient is quickly changed in less than 4 seconds.
{
PatNum = terminal.PatNum;
textWelcome.Visible = false;
labelForms.Visible = true;
listForms.Visible = true;
butDone.Visible = true;
LoadPatient();
}
}
///<summary>Only if TerminalListenShut. Occurs every 4 seconds. Checks database for status changes. Shouldn't happen very often, because it means user will lose all data that they may have entered.</summary>
private void timer1_Tick(object sender, EventArgs e)
{
TerminalActive terminal = TerminalActives.GetTerminal(Environment.MachineName);
if (terminal == null) //no terminal is supposed to be running here.
{
DialogResult = DialogResult.Cancel;
return;
}
if (terminal.PatNum == SheetCur.PatNum)
{
return;
}
//So terminal.PatNum must either be 0 or be an entirely different patient.
DialogResult = DialogResult.Cancel;
}