ValidationAwareMethods::isRendering()

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by Filipe

created 2017-02-06 16:49 UTC

↳ Parent: ValidationAwareMethods

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<?php

/**
 * This file is part of slick/form package
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Slick\Form\Input;

use Slick\Form\ElementInterface;
use Slick\Form\Exception\InvalidArgumentException;
use Slick\Form\InputInterface;
use Slick\Validator\NotEmpty;
use Slick\Validator\StaticValidator;
use Slick\Validator\ValidationChain;
use Slick\Validator\ValidationChainInterface;
use Slick\Validator\ValidatorInterface;
use Slick\Validator\Exception as ValidatorException;

/**
 * Implementation for ValidationAwareInterface
 *
 * @package Slick\Form\Input
 * @author  Filipe Silva <[email protected]>
 */
trait ValidationAwareMethods
{
    /**
     * @var ValidationChainInterface
     */
    protected $validationChain;

    /**
     * @var boolean
     */
    protected $valid = true;

    /**
     * @var array
     */
    protected $invalidInstances = [];

    /**
     * @var array
     */
    protected $context = [];

    /**
     * Gets the value to be validated
     *
     * @return mixed
     */
    abstract public function getValue();

    /**
     * Check if the value is valid
     *
     * The value should pass through all validators in the validation chain
     *
     * @return boolean True if is valid, false otherwise
     */
    public function isValid()
    {
        $valid = $this->valid;
        if ($this->isMultiple()) {
            $valid = $this->isMultipleValid();
        }
        return $valid;
    }

    /**
     * Validates when input is set to be multiple
     * 
     * @return bool
     */
    protected function isMultipleValid()
    {
        if (!$this->isRendering()) {
            return empty($this->invalidInstances);
        }
        
        return ! in_array($this->getInstance(), $this->invalidInstances);
    }

    /**
     * Validates current value so that isValid can retrieve the result of
     * the validation(s)
     *
     * @return self|$this|ValidationAwareInterface
     */
    public function validate()
    {
        $context = array_merge(['input' => $this], $this->context);
        $values = $this->getValue();
        if (!is_array($values)) {
            $this->valid = $this->getValidationChain()
                ->validates($this->getValue(), $context);
            return $this;
        }
        $this->validateArray($values, $context);
        return $this;
    }

    /**
     * Validates input when is set to be multiple
     * 
     * @param array $values
     * @param array $context
     */
    protected function validateArray(array $values, $context)
    {
        foreach ($values as $key => $value) {
            $valid = $this->getValidationChain()
                ->validates($value, $context);
            if (!$valid) {
                $this->setInvalid($key);
            }
        }
    }

    /**
     * Mark instance as invalid
     * 
     * @param int $key
     * 
     * @return $this|self

     */
    protected function setInvalid($key)
    {
        array_push($this->invalidInstances, $key);
        return $this;
    }
    
    /**
     * Returns the validation chain for this input
     *
     * @return ValidationChainInterface
     */
    public function getValidationChain()
    {
        if (null == $this->validationChain) {
            $this->setValidationChain(new ValidationChain());
        }
        return $this->validationChain;
    }

    /**
     * Sets input validation chain
     *
     * @param ValidationChainInterface $chain
     *
     * @return self|$this|ValidationAwareInterface
     */
    public function setValidationChain(ValidationChainInterface $chain)
    {
        $this->validationChain = $chain;
        return $this;
    }

    /**
     * Adds a validator to the validation chain
     *
     * The validator param could be a known validator alias, a FQ
     * ValidatorInterface class name or an object implementing
     * ValidatorInterface.
     *
     * @param string|ValidatorInterface $validator
     * @param string|array $message Error message and possible contexts
     *      variables.
     *
     * @return self|$this|ValidationAwareInterface|ElementInterface
     *
     * @throws InvalidArgumentException If the provided validator is an unknown
     *      validator alias or not a valid class name or the object passed
     *      does not implement the ValidatorInterface interface.
     */
    public function addValidator($validator, $message = null)
    {
        try {
            $msg = $message;
            if (is_array($message)) {
                $msg = array_shift($message);
                $this->context = $message;
            }
            $validator = StaticValidator::create($validator, $msg);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            $this->getValidationChain()
                ->add($validator);
            if ($validator instanceof NotEmpty) {
                $this->setRequired(true);
            }
        } catch (ValidatorException $caught) {
            throw new InvalidArgumentException(
                $caught->getMessage(),
                0,
                $caught
            );
        }
        return $this;
    }

    /**
     * Sets the required flag for this input
     *
     * @param boolean $required
     *
     * @return $this|self|InputInterface
     */
    abstract public function setRequired($required);

    /**
     * If input is multiple get the instance it belongs
     *
     * @return int
     */
    abstract public function getInstance();

    /**
     * Check if this input is for multiple usage
     *
     * @return boolean
     */
    abstract public function isMultiple();

    /**
     * Check if input is being rendered
     * 
     * @return boolean
     */
    abstract public function isRendering();
    
}


1		<?php
2
3		/**
4		* This file is part of slick/form package
5		*
6		* For the full copyright and license information, please view the LICENSE
7		* file that was distributed with this source code.
8		*/
9
10		namespace Slick\Form\Input;
11
12		use Slick\Form\ElementInterface;
13		use Slick\Form\Exception\InvalidArgumentException;
14		use Slick\Form\InputInterface;
15		use Slick\Validator\NotEmpty;
16		use Slick\Validator\StaticValidator;
17		use Slick\Validator\ValidationChain;
18		use Slick\Validator\ValidationChainInterface;
19		use Slick\Validator\ValidatorInterface;
20		use Slick\Validator\Exception as ValidatorException;
21
22		/**
23		* Implementation for ValidationAwareInterface
24		*
25		* @package Slick\Form\Input
26		* @author Filipe Silva <[email protected]>
27		*/
28		trait ValidationAwareMethods
29		{
30		/**
31		* @var ValidationChainInterface
32		*/
33		protected $validationChain;
34
35		/**
36		* @var boolean
37		*/
38		protected $valid = true;
39
40		/**
41		* @var array
42		*/
43		protected $invalidInstances = [];
44
45		/**
46		* @var array
47		*/
48		protected $context = [];
49
50		/**
51		* Gets the value to be validated
52		*
53		* @return mixed
54		*/
55		abstract public function getValue();
56
57		/**
58		* Check if the value is valid
59		*
60		* The value should pass through all validators in the validation chain
61		*
62		* @return boolean True if is valid, false otherwise
63		*/
64	16	public function isValid()
65		{
66	16	$valid = $this->valid;
67	16	if ($this->isMultiple()) {
68		$valid = $this->isMultipleValid();
69		}
70	16	return $valid;
71		}
72
73		/**
74		* Validates when input is set to be multiple
75		*
76		* @return bool
77		*/
78		protected function isMultipleValid()
79		{
80		if (!$this->isRendering()) {
81		return empty($this->invalidInstances);
82		}
83
84		return ! in_array($this->getInstance(), $this->invalidInstances);
85		}
86
87		/**
88		* Validates current value so that isValid can retrieve the result of
89		* the validation(s)
90		*
91		* @return self\|$this\|ValidationAwareInterface
92		*/
93	6	public function validate()
94		{
95	6	$context = array_merge(['input' => $this], $this->context);
96	6	$values = $this->getValue();
97	6	if (!is_array($values)) {
98	6	$this->valid = $this->getValidationChain()
99	6	->validates($this->getValue(), $context);
100	6	return $this;
101		}
102		$this->validateArray($values, $context);
103	1	return $this;
104		}
105
106		/**
107		* Validates input when is set to be multiple
108		*
109		* @param array $values
110		* @param array $context
111		*/
112		protected function validateArray(array $values, $context)
113		{
114		foreach ($values as $key => $value) {
115		$valid = $this->getValidationChain()
116		->validates($value, $context);
117		if (!$valid) {
118		$this->setInvalid($key);
119		}
120		}
121		}
122
123		/**
124		* Mark instance as invalid
125		*
126		* @param int $key
127		*
128		* @return $this\|self
		0 ignored issues – show Comprehensibility Bug introduced 2016-11-23 19:44 UTC by Report Bug Copy Issue Report The return type `ValidationAwareMethods` is a trait, and thus cannot be used for type-hinting in PHP. Maybe consider adding an interface and use that for type-hinting? In PHP traits cannot be used for type-hinting as they do not define a well-defined structure. This is because any class that uses a trait can rename that trait’s methods. If you would like to return an object that has a guaranteed set of methods, you could create a companion interface that lists these methods explicitly. Loading history...
129		*/
130		protected function setInvalid($key)
131		{
132		array_push($this->invalidInstances, $key);
133		return $this;
134		}
135
136		/**
137		* Returns the validation chain for this input
138		*
139		* @return ValidationChainInterface
140		*/
141	38	public function getValidationChain()
142		{
143	38	if (null == $this->validationChain) {
144	38	$this->setValidationChain(new ValidationChain());
145	19	}
146	38	return $this->validationChain;
147		}
148
149		/**
150		* Sets input validation chain
151		*
152		* @param ValidationChainInterface $chain
153		*
154		* @return self\|$this\|ValidationAwareInterface
155		*/
156	40	public function setValidationChain(ValidationChainInterface $chain)
157		{
158	40	$this->validationChain = $chain;
159	40	return $this;
160		}
161
162		/**
163		* Adds a validator to the validation chain
164		*
165		* The validator param could be a known validator alias, a FQ
166		* ValidatorInterface class name or an object implementing
167		* ValidatorInterface.
168		*
169		* @param string\|ValidatorInterface $validator
170		* @param string\|array $message Error message and possible contexts
171		* variables.
172		*
173		* @return self\|$this\|ValidationAwareInterface\|ElementInterface
174		*
175		* @throws InvalidArgumentException If the provided validator is an unknown
176		* validator alias or not a valid class name or the object passed
177		* does not implement the ValidatorInterface interface.
178		*/
179	36	public function addValidator($validator, $message = null)
180		{
181		try {
182	36	$msg = $message;
183	36	if (is_array($message)) {
184	30	$msg = array_shift($message);
185	30	$this->context = $message;
186	15	}
187	36	$validator = StaticValidator::create($validator, $msg);
		0 ignored issues – show Bug introduced 2016-02-24 17:15 UTC by Report Bug Copy Issue Report It seems like `$validator` defined by `\Slick\Validator\StaticV...reate($validator, $msg)` on line `187` can also be of type `object<Slick\Validator\ValidatorInterface>`; however, `Slick\Validator\StaticValidator::create()` does only seem to accept `string`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
188	34	$this->getValidationChain()
189	34	->add($validator);
190	34	if ($validator instanceof NotEmpty) {
191	34	$this->setRequired(true);
192	17	}
193	19	} catch (ValidatorException $caught) {
194	2	throw new InvalidArgumentException(
195	2	$caught->getMessage(),
196	2	0,
197		$caught
198	1	);
199		}
200	34	return $this;
201		}
202
203		/**
204		* Sets the required flag for this input
205		*
206		* @param boolean $required
207		*
208		* @return $this\|self\|InputInterface
209		*/
210		abstract public function setRequired($required);
211
212		/**
213		* If input is multiple get the instance it belongs
214		*
215		* @return int
216		*/
217		abstract public function getInstance();
218
219		/**
220		* Check if this input is for multiple usage
221		*
222		* @return boolean
223		*/
224		abstract public function isMultiple();
225
226		/**
227		* Check if input is being rendered
228		*
229		* @return boolean
230		*/
231		abstract public function isRendering();
232
233		}
234

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