/// <summary>
/// Validate the user input. Save button is disabled in case of invalid input
/// </summary>
/// <returns>True if valid, false if invalid</returns>
private bool ValidateInput()
{
bool valid = true;
if (string.IsNullOrEmpty(txtName.Text))
{
valid = false;
errorProvider.SetError(txtName,
"Name cannot be empty");
}
else if (Tasker.Tasks.ContainsKey(txtName.Text) && (_taskToEdit == null || _taskToEdit.Name != txtName.Text))
{
valid = false;
errorProvider.SetError(txtName,
"Name is already in use for another task");
}
else
{
errorProvider.SetError(txtName, "");
}
if (_selectedTrigger != null)
{
errorProvider.SetError(cbTrigger, "");
if (_selectedTrigger.ValidateInput(txtTriggerParam.Text))
{
errorProvider.SetError(txtTriggerParam, "");
}
else
{
valid = false;
errorProvider.SetError(txtTriggerParam,
"Invalid parameter!" + Environment.NewLine + _selectedTrigger.ParameterDescription);
}
}
else
{
errorProvider.SetError(cbTrigger,
"No trigger selected!");
valid = false;
}
// there's always at least the button
if (gbAction.Controls.Count < 2)
{
errorProvider.SetError(btnNewAction,
"No action selected!");
valid = false;
}
else
{
errorProvider.SetError(btnNewAction, "");
}
btnSave.Enabled = valid;
return(valid);
}