1: <?php
  2: /**
  3:  * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
  4:  * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
  5:  *
  6:  * Licensed under The MIT License
  7:  * For full copyright and license information, please see the LICENSE.txt
  8:  * Redistributions of files must retain the above copyright notice.
  9:  *
 10:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 11:  * @link          https://cakephp.org CakePHP(tm) Project
 12:  * @since         3.0.0
 13:  * @license       https://opensource.org/licenses/mit-license.php MIT License
 14:  */
 15: namespace Cake\View\Form;
 16: 
 17: use Cake\Http\ServerRequest;
 18: 
 19: /**
 20:  * Provides a context provider that does nothing.
 21:  *
 22:  * This context provider simply fulfils the interface requirements
 23:  * that FormHelper has and allows access to the request data.
 24:  */
 25: class NullContext implements ContextInterface
 26: {
 27: 
 28:     /**
 29:      * The request object.
 30:      *
 31:      * @var \Cake\Http\ServerRequest
 32:      */
 33:     protected $_request;
 34: 
 35:     /**
 36:      * Constructor.
 37:      *
 38:      * @param \Cake\Http\ServerRequest $request The request object.
 39:      * @param array $context Context info.
 40:      */
 41:     public function __construct(ServerRequest $request, array $context)
 42:     {
 43:         $this->_request = $request;
 44:     }
 45: 
 46:     /**
 47:      * {@inheritDoc}
 48:      */
 49:     public function primaryKey()
 50:     {
 51:         return [];
 52:     }
 53: 
 54:     /**
 55:      * {@inheritDoc}
 56:      */
 57:     public function isPrimaryKey($field)
 58:     {
 59:         return false;
 60:     }
 61: 
 62:     /**
 63:      * {@inheritDoc}
 64:      */
 65:     public function isCreate()
 66:     {
 67:         return true;
 68:     }
 69: 
 70:     /**
 71:      * {@inheritDoc}
 72:      */
 73:     public function val($field)
 74:     {
 75:         return $this->_request->getData($field);
 76:     }
 77: 
 78:     /**
 79:      * {@inheritDoc}
 80:      */
 81:     public function isRequired($field)
 82:     {
 83:         return false;
 84:     }
 85: 
 86:     /**
 87:      * {@inheritDoc}
 88:      */
 89:     public function getRequiredMessage($field)
 90:     {
 91:         return null;
 92:     }
 93: 
 94:     /**
 95:      * {@inheritDoc}
 96:      */
 97:     public function getMaxLength($field)
 98:     {
 99:         return null;
100:     }
101: 
102:     /**
103:      * {@inheritDoc}
104:      */
105:     public function fieldNames()
106:     {
107:         return [];
108:     }
109: 
110:     /**
111:      * {@inheritDoc}
112:      */
113:     public function type($field)
114:     {
115:         return null;
116:     }
117: 
118:     /**
119:      * {@inheritDoc}
120:      */
121:     public function attributes($field)
122:     {
123:         return [];
124:     }
125: 
126:     /**
127:      * {@inheritDoc}
128:      */
129:     public function hasError($field)
130:     {
131:         return false;
132:     }
133: 
134:     /**
135:      * {@inheritDoc}
136:      */
137:     public function error($field)
138:     {
139:         return [];
140:     }
141: }
142: