forked from spoon/library
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text.php
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text.php
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<?php
/**
* Spoon Library
*
* This source file is part of the Spoon Library. More information,
* documentation and tutorials can be found @ http://www.spoon-library.com
*
* @package spoon
* @subpackage form
*
*
* @author Davy Hellemans <davy@spoon-library.com>
* @since 0.1.1
*/
/**
* Create a form textfield.
*
* @package spoon
* @subpackage form
*
*
* @author Davy Hellemans <davy@spoon-library.com>
* @since 0.1.1
*/
class SpoonFormText extends SpoonFormInput
{
/**
* Is the content of this field html?
*
* @var bool
*/
private $isHTML = false;
/**
* Overrule the reserverd attributes
*
* @var array
*/
protected $reservedAttributes = array('name', 'value');
/**
* Class constructor.
*
* @param string $name The name.
* @param string[optional] $value The initial value.
* @param int[optional] $maxlength The maximum-length the value can be.
* @param string[optional] $class The CSS-class to be used.
* @param string[optional] $classError The CSS-class to be used when there is an error.
* @param bool[optional] $HTML Is HTML allowed?
*/
public function __construct($name, $value = null, $maxlength = null, $class = 'inputText', $classError = 'inputTextError', $HTML = false)
{
// obligated fields
$this->attributes['id'] = SpoonFilter::toCamelCase($name, '_', true);
$this->attributes['name'] = (string) $name;
// custom optional fields
if($value !== null) $this->value = (string) $value;
if($maxlength !== null) $this->attributes['maxlength'] = (int) $maxlength;
$this->attributes['type'] = 'text';
$this->attributes['class'] = (string) $class;
if($classError !== null) $this->classError = (string) $classError;
$this->isHTML = (bool) $HTML;
}
/**
* Retrieve the initial or submitted value.
*
* @return string
* @param bool[optional] $allowHTML Is HTML allowed?
*/
public function getValue($allowHTML = null)
{
// redefine html & default value
$allowHTML = ($allowHTML !== null) ? (bool) $allowHTML : $this->isHTML;
$value = (string) $this->value;
// contains html
if($this->isHTML)
{
// set value
$value = (Spoon::getCharset() == 'utf-8') ? SpoonFilter::htmlspecialchars($value) : SpoonFilter::htmlentities($value);
}
// form submitted
if($this->isSubmitted())
{
// post/get data
$data = $this->getMethod(true);
// submitted by post (may be empty)
if(isset($data[$this->getName()]))
{
// value
$value = $data[$this->getName()];
$value = is_scalar($value) ? (string) $value : 'Array';
// maximum length?
if(isset($this->attributes['maxlength']) && $this->attributes['maxlength'] > 0) $value = mb_substr($value, 0, (int) $this->attributes['maxlength'], Spoon::getCharset());
// html allowed?
if(!$allowHTML) $value = (Spoon::getCharset() == 'utf-8') ? SpoonFilter::htmlspecialchars($value) : SpoonFilter::htmlentities($value);
}
}
return $value;
}
/**
* Checks if this field contains only letters a-z and A-Z.
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isAlphabetical($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isAlphabetical($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field only contains letters & numbers (without spaces).
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isAlphaNumeric($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isAlphaNumeric($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if the field is between a given minimum and maximum (includes min & max).
*
* @return bool
* @param int $minimum The minimum.
* @param int $maximum The maximum.
* @param string[optional] $error The error message to set.
*/
public function isBetween($minimum, $maximum, $error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isBetween($minimum, $maximum, $data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks this field for a boolean (true/false | 0/1).
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isBool($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isBool($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field only contains numbers 0-9.
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isDigital($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isDigital($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks this field for a valid e-mail address.
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isEmail($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isEmail($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// has error
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks for a valid file name (including dots but no slashes and other forbidden characters).
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isFilename($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isFilename($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// has error
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field was submitted & filled.
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isFilled($error = null)
{
// post/get data
$data = $this->getMethod(true);
$value = isset($data[$this->getName()])
? $data[$this->getName()]
: '';
$value = is_array($value) ? 'Array' : trim((string) $value);
// validate
if($value == '')
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
/**
* Checks this field for numbers 0-9 and an optional - (minus) sign (in the beginning only).
*
* @return bool
* @param string[optional] $error The error message to set.
* @param bool[optional] $allowCommas Do you want to use commas as a decimal separator?
*/
public function isFloat($error = null, $allowCommas = false)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isFloat($data[$this->attributes['name']], $allowCommas))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field is greater than another value.
*
* @return bool
* @param int $minimum The minimum.
* @param string[optional] $error The error message to set.
*/
public function isGreaterThan($minimum, $error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isGreaterThan($minimum, $data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks this field for numbers 0-9 and an optional - (minus) sign (in the beginning only).
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isInteger($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isInteger($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field is a proper ip address.
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isIp($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isIp($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field does not exceed the given maximum.
*
* @return bool
* @param int $maximum The maximum.
* @param int[optional] $error The error message to set.
*/
public function isMaximum($maximum, $error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isMaximum($maximum, $data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field's length is less (or equal) than the given maximum.
*
* @return bool
* @param int $maximum The maximum number of characters.
* @param string[optional] $error The error message to set.
*/
public function isMaximumCharacters($maximum, $error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isMaximumCharacters($maximum, $data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field is at least a given minimum.
*
* @return bool
* @param int $minimum The minimum.
* @param string[optional] $error The error message to set.
*/
public function isMinimum($minimum, $error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isMinimum($minimum, $data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field's length is more (or equal) than the given minimum.
*
* @return bool
* @param int $minimum The minimum number of characters.
* @param string[optional] $error The error message to set.
*/
public function isMinimumCharacters($minimum, $error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isMinimumCharacters($minimum, $data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Alias for isDigital (Field may only contain numbers 0-9).
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isNumeric($error = null)
{
return $this->isDigital($error);
}
/**
* Checks this field for numbers 0-9 and an optional - (minus) sign (in the beginning only).
*
* @return bool
* @param string[optional] $error The error message to set.
* @param int[optional] $precision The allowed number of digits after the decimal separator. Defaults to 2.
* @param bool[optional] $allowNegative Do you want to allow negative prices? Defaults to false.
* @param bool[optional] $allowCommas Do you want to use commas as a decimal separator? Defaults to true.
*/
public function isPrice($error = null, $precision = 2, $allowNegative = false, $allowCommas = true)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if (!isset($data[$this->attributes['name']]) || !SpoonFilter::isPrice(
$data[$this->attributes['name']],
$precision,
$allowNegative,
$allowCommas
)
) {
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if the field is smaller than a given maximum.
*
* @return bool
* @param int $maximum The maximum.
* @param string[optional] $error The error message to set.
*/
public function isSmallerThan($maximum, $error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isSmallerThan($maximum, $data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if this field contains any string that doesn't have control characters (ASCII 0 - 31) but spaces are allowed.
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isString($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isString($data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks this field for a valid url.
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isURL($error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(isset($data[$this->attributes['name']]) && is_string($data[$this->attributes['name']]))
{
$url = $data[$this->attributes['name']];
// appends http:// if not provided
// we deliberately left spoonFilter::isURL unchanged
// because SpoonFilter should not validate "www.spoon.be" as true
$url = (strncasecmp('http://', $url, 7) && strncasecmp('https://', $url, 8) ? 'http://' : '') . $url;
if(SpoonFilter::isURL($url))
{
return true;
}
}
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Checks if the field validates against the regexp.
*
* @return bool
* @param string $regexp The regular expresion to test the value.
* @param string[optional] $error The error message to set.
*/
public function isValidAgainstRegexp($regexp, $error = null)
{
// filled
if($this->isFilled())
{
// post/get data
$data = $this->getMethod(true);
// validate
if(!isset($data[$this->attributes['name']]) || !SpoonFilter::isValidAgainstRegexp((string) $regexp, $data[$this->attributes['name']]))
{
if($error !== null) $this->setError($error);
return false;
}
return true;
}
// not submitted
if($error !== null) $this->setError($error);
return false;
}
/**
* Parses the html for this textfield.
*
* @return string
* @param SpoonTemplate[optional] $template The template to parse the element in.
*/
public function parse($template = null)
{
// name is required
if($this->attributes['name'] == '') throw new SpoonFormException('A name is required for a textfield. Please provide a name.');
// start html generation
// note: no need to encode the value here, it gets encoding in the getter as long as $allowHTML=true
$output = '<input value="' . $this->getValue(false) . '"';
// add attributes
$output .= $this->getAttributesHTML(array('[id]' => $this->attributes['id'], '[name]' => $this->attributes['name'], '[value]' => $this->getValue())) . ' />';
// template
if($template !== null)
{
$template->assign('txt' . SpoonFilter::toCamelCase($this->attributes['name']), $output);
$template->assign('txt' . SpoonFilter::toCamelCase($this->attributes['name']) . 'Error', ($this->errors != '') ? '<span class="formError">' . $this->errors . '</span>' : '');
}
return $output;
}
/**
* Sets the html type attribute. This makes it easier to mark a field as
* email/number/...
*
* @param string
* @return self
*/
public function setType($type)
{
$this->setAttribute('type', $type);
return $this;
}
}