/// <summary>
/// Translates the protocol event args to value event args.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="args">Event arguments.</param>
private void HandleEnterKeyPadEvent(object sender, DeviceKeypadEventArgs args)
{
var inputValueArgs = new InputValueEventArgs {
IsCanceled = args.IsCanceled, Value = args.Value
};
this.InputValueEvent(sender, inputValueArgs);
}
/// <summary>
/// Handles the button press and keypad event types.
/// </summary>
/// <param name="responseMessage">Event message.</param>
private void HandleFormEvent(ResponseMessage responseMessage)
{
// Check for invalid form event message.
if (responseMessage.ResponseValues == null || responseMessage.ResponseValues.Count < 2)
{
return;
}
var controlType = (ControlType)Enum.Parse(typeof(ControlType), responseMessage.ResponseValues[0]);
var controlId = int.Parse(responseMessage.ResponseValues[1], CultureInfo.InvariantCulture.NumberFormat);
switch (controlType)
{
case ControlType.Button:
if (this.ButtonPressEvent != null)
{
var args = new DeviceButtonPressEventArgs()
{
ControlId = controlId, FormName = this.currentForm
};
this.ButtonPressEvent(this, args);
}
break;
case ControlType.Keypad:
if (this.EnterKeypadEvent != null)
{
// Check for invalid key press event message.
if (responseMessage.ResponseValues.Count < 3)
{
return;
}
var keyPress = (KeyPressEvent)Enum.Parse(typeof(KeyPressEvent), responseMessage.ResponseValues[2]);
if (keyPress == KeyPressEvent.EnterPressed || keyPress == KeyPressEvent.Timeout || keyPress == KeyPressEvent.Cancel)
{
bool isCancel = keyPress == KeyPressEvent.Cancel;
string value = isCancel ? string.Empty : responseMessage.ResponseValues[3];
var args = new DeviceKeypadEventArgs()
{
ControlId = controlId, FormName = this.currentForm, Value = value, IsCanceled = isCancel
};
this.EnterKeypadEvent(this, args);
}
}
break;
default:
// Unhandled event type.
break;
}
}