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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 Number extends Line
{
/**
* @var string
*/
protected $promptText = 'Please enter a number: ';
/**
* @var bool
*/
protected $allowFloat = false;
/**
* @var int
*/
protected $min;
/**
* @var int
*/
protected $max;
/**
* Ask the user for a number.
*
* @param string $promptText The prompt text to display in console
* @param bool $allowEmpty Is empty response allowed?
* @param bool $allowFloat Are floating (non-decimal) numbers allowed?
* @param int $min Minimum value (inclusive)
* @param int $max Maximum value (inclusive)
*/
public function __construct(
$promptText = 'Please enter a number: ',
$allowEmpty = false,
$allowFloat = false,
$min = null,
$max = null
) {
if ($promptText !== null) {
$this->setPromptText($promptText);
}
if ($allowEmpty !== null) {
$this->setAllowEmpty($allowEmpty);
}
if ($min !== null) {
$this->setMin($min);
}
if ($max !== null) {
$this->setMax($max);
}
if ($allowFloat !== null) {
$this->setAllowFloat($allowFloat);
}
}
/**
* 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;
}
/**
* @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;
}
/**
* @param int $max
*/
public function setMax($max)
{
$this->max = $max;
}
/**
* @return int
*/
public function getMax()
{
return $this->max;
}
/**
* @param int $min
*/
public function setMin($min)
{
$this->min = $min;
}
/**
* @return int
*/
public function getMin()
{
return $this->min;
}
/**
* @param bool $allowFloat
*/
public function setAllowFloat($allowFloat)
{
$this->allowFloat = $allowFloat;
}
/**
* @return bool
*/
public function getAllowFloat()
{
return $this->allowFloat;
}
}
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