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:      * The request object.
 29:      *
 30:      * @var \Cake\Http\ServerRequest
 31:      */
 32:     protected $_request;
 33: 
 34:     /**
 35:      * Constructor.
 36:      *
 37:      * @param \Cake\Http\ServerRequest $request The request object.
 38:      * @param array $context Context info.
 39:      */
 40:     public function __construct(ServerRequest $request, array $context)
 41:     {
 42:         $this->_request = $request;
 43:     }
 44: 
 45:     /**
 46:      * {@inheritDoc}
 47:      */
 48:     public function primaryKey()
 49:     {
 50:         return [];
 51:     }
 52: 
 53:     /**
 54:      * {@inheritDoc}
 55:      */
 56:     public function isPrimaryKey($field)
 57:     {
 58:         return false;
 59:     }
 60: 
 61:     /**
 62:      * {@inheritDoc}
 63:      */
 64:     public function isCreate()
 65:     {
 66:         return true;
 67:     }
 68: 
 69:     /**
 70:      * {@inheritDoc}
 71:      */
 72:     public function val($field)
 73:     {
 74:         return $this->_request->getData($field);
 75:     }
 76: 
 77:     /**
 78:      * {@inheritDoc}
 79:      */
 80:     public function isRequired($field)
 81:     {
 82:         return false;
 83:     }
 84: 
 85:     /**
 86:      * {@inheritDoc}
 87:      */
 88:     public function getRequiredMessage($field)
 89:     {
 90:         return null;
 91:     }
 92: 
 93:     /**
 94:      * {@inheritDoc}
 95:      */
 96:     public function getMaxLength($field)
 97:     {
 98:         return null;
 99:     }
100: 
101:     /**
102:      * {@inheritDoc}
103:      */
104:     public function fieldNames()
105:     {
106:         return [];
107:     }
108: 
109:     /**
110:      * {@inheritDoc}
111:      */
112:     public function type($field)
113:     {
114:         return null;
115:     }
116: 
117:     /**
118:      * {@inheritDoc}
119:      */
120:     public function attributes($field)
121:     {
122:         return [];
123:     }
124: 
125:     /**
126:      * {@inheritDoc}
127:      */
128:     public function hasError($field)
129:     {
130:         return false;
131:     }
132: 
133:     /**
134:      * {@inheritDoc}
135:      */
136:     public function error($field)
137:     {
138:         return [];
139:     }
140: }
141: