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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Console\Prompt;
class Line extends AbstractPrompt
{
/**
* @var string
*/
protected $promptText = 'Please enter value: ';
/**
* @var bool
*/
protected $allowEmpty = false;
/**
* @var int
*/
protected $maxLength = 2048;
/**
* Ask the user for an answer (a line of text)
*
* @param string $promptText The prompt text to display in console
* @param bool $allowEmpty Is empty response allowed?
* @param int $maxLength Maximum response length
*/
public function __construct($promptText = 'Please enter value: ', $allowEmpty = false, $maxLength = 2048)
{
if ($promptText !== null) {
$this->setPromptText($promptText);
}
if ($allowEmpty !== null) {
$this->setAllowEmpty($allowEmpty);
}
if ($maxLength !== null) {
$this->setMaxLength($maxLength);
}
}
/**
* Show the prompt to user and return the answer.
*
* @return string
*/
public function show()
{
do {
$this->getConsole()->write($this->promptText);
$line = $this->getConsole()->readLine($this->maxLength);
} while (! $this->allowEmpty && ! $line);
return $this->lastResponse = $line;
}
/**
* @param bool $allowEmpty
*/
public function setAllowEmpty($allowEmpty)
{
$this->allowEmpty = $allowEmpty;
}
/**
* @return bool
*/
public function getAllowEmpty()
{
return $this->allowEmpty;
}
/**
* @param int $maxLength
*/
public function setMaxLength($maxLength)
{
$this->maxLength = $maxLength;
}
/**
* @return int
*/
public function getMaxLength()
{
return $this->maxLength;
}
/**
* @param string $promptText
*/
public function setPromptText($promptText)
{
$this->promptText = $promptText;
}
/**
* @return string
*/
public function getPromptText()
{
return $this->promptText;
}
}