/**
* Show the prompt to user and return the answer.
*
* @return mixed
*/
public function show()
{
/**
* Ask for a number and validate it.
*/
do {
$valid = true;
$number = parent::show();
if ($number === "" && !$this->allowEmpty) {
$valid = false;
} elseif ($number === "") {
$number = null;
} elseif (!is_numeric($number)) {
$this->getConsole()->writeLine("{$number} is not a number\n");
$valid = false;
} elseif (!$this->allowFloat && round($number) != $number) {
$this->getConsole()->writeLine("Please enter a non-floating number, i.e. " . round($number) . "\n");
$valid = false;
} elseif ($this->max !== null && $number > $this->max) {
$this->getConsole()->writeLine("Please enter a number not greater than " . $this->max . "\n");
$valid = false;
} elseif ($this->min !== null && $number < $this->min) {
$this->getConsole()->writeLine("Please enter a number not smaller than " . $this->min . "\n");
$valid = false;
}
} while (!$valid);
/**
* Cast proper type
*/
if ($number !== null) {
$number = $this->allowFloat ? (double) $number : (int) $number;
}
return $this->lastResponse = $number;
}
public function testCanReadLineWithEmptyAnswer()
{
$line = new Line('Where is Bryan ?', true);
$line->setConsole($this->adapter);
ob_start();
$response = $line->show();
$text = ob_get_clean();
$this->assertEquals($text, "Where is Bryan ?");
$this->assertEquals('', $response);
}
/**
* @param $question
* @param ConsoleAdapter $console
*
* @return string|null
*/
private function askUrlQuestion($question, ConsoleAdapter $console)
{
$console->writeLine($question . ' (URL)', ColorInterface::CYAN);
$prompt = new Line('');
$prompt->setConsole($console);
$url = $prompt->show();
if (!(new Uri(['allowRelative' => false]))->isValid($url)) {
$console->writeLine('The provided URL "' . $url . '" doesn\'t seem to be valid!', ColorInterface::RED);
return null;
}
return $url;
}
public function ask($promptText, $allowEmpty = false)
{
$prompt = new LinePrompt($promptText, $allowEmpty);
$prompt->setConsole($this->console);
return $prompt->show();
}
/**
* Write a customizable line prompt
*
* @param $message
*
* @return string
*/
public function writeLinePrompt($message)
{
$this->writeLine();
// write prompt badge
$this->writeBadge('badge_pick', Color::RED);
// output prompt
$prompt = new Line($this->translator->translate($message), false);
$answer = $prompt->show();
$this->writeLine();
return $answer;
}
