| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | namespace Strontium\PjaxBundle\Twig; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | use Strontium\PjaxBundle\Helper\PjaxHelperInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Symfony\Component\HttpFoundation\Request; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Symfony\Component\HttpFoundation\RequestStack; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | class PjaxExtension extends \Twig_Extension | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |      * @var PjaxHelperInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     protected $pjax; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     protected $sections = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * @var RequestStack | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     protected $requestStack; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * @param PjaxHelperInterface $pjax | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @param RequestStack        $requestStack | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 30 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  |     public function __construct(PjaxHelperInterface $pjax, RequestStack $requestStack) | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  |         $this->pjax = $pjax; | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  |         $this->requestStack = $requestStack; | 
            
                                                                        
                            
            
                                    
            
            
                | 35 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * {@inheritDoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     public function getFunctions() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         return array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |             new \Twig_SimpleFunction('is_pjax', [$this, 'isPjax'], ['is_safe' => ['html']]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |             new \Twig_SimpleFunction('pjax_attr', [$this, 'generatePjaxAttributes'], ['is_safe' => ['html']]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |             new \Twig_SimpleFunction('pjax_version', [$this, 'pjaxVersion'], ['is_safe' => ['html']]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |             new \Twig_SimpleFunction('pjax_target', [$this, 'getPjaxTarget'], ['is_safe' => ['html']]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |             new \Twig_SimpleFunction('pjax_layout', [$this, 'getLayout'], ['is_safe' => ['html']]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |             new \Twig_SimpleFunction('pjax_base', [$this, 'getBase'], ['is_safe' => ['html']]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * {@inheritDoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     public function getFilters() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         return array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |             new \Twig_SimpleFilter('to_attr', [$this, 'toAttributes'], ['is_safe' => ['html']]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     public function getLayout($section = 'default', $layout = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         $sectionConfig = $this->getSectionConfig($section); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         $request = $this->requestStack->getCurrentRequest(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         if (null !== $layout) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             return $sectionConfig['layouts'][$layout]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |         if ($this->pjax->isPjaxRequest($request)) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |             $target = $this->pjax->getTarget($request); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |             if (isset($sectionConfig['layouts'][$target])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |                 return $sectionConfig['layouts'][$target]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |                 return $sectionConfig['layouts'][$sectionConfig['default_layout']]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         return $sectionConfig['layouts'][$sectionConfig['default_layout']]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * @param string $section | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     public function getBase($section = 'default') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |         $sectionConfig = $this->getSectionConfig($section); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         $request = $this->requestStack->getCurrentRequest(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |         if ((null !== $request && $this->pjax->isPjaxRequest($request)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |             || null !== $this->requestStack->getParentRequest() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |             return $sectionConfig['pjax_template']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |         return $sectionConfig['base_template']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |      * @param array $sections | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     public function setSections(array $sections) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |         $this->sections = $sections; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      * @param Request $request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |      * @return string|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     public function pjaxVersion(Request $request) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |         $version = $this->pjax->generateVersion($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |         return $version ? sprintf('<meta http-equiv="x-pjax-version" content="%s"/>', $version) : null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * Convert array to html attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |      * @param array $attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     public function toAttributes(array $attributes = array()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |         $htmlAttr = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |         foreach ($attributes as $key => $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |             if (is_bool($value)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |                 $value = $value ? 'true' : 'false'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |             $htmlAttr[] = sprintf(' %s="%s"', $key, $value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         if (!count($htmlAttr)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |             return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         return implode('', $htmlAttr); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |      * Has Request been made by PJAX? | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |      * @param Request $request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |     public function isPjax(Request $request) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |         return $this->pjax->isPjaxRequest($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |      * @param Request $request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |     public function getPjaxTarget(Request $request) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |         return $this->pjax->getTarget($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      * Generate PJAX attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |      * @param string $target         data-pjax-container="$target" where content will load | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |      * @param string $redirectTarget data-pjax-redirect-target="$redirectTarget" where content will load after redirect | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |     public function generatePjaxAttributes($target = null, $redirectTarget = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |         $attributes = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |         if (null !== $target) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |             $attributes['data-pjax'] = (string)$target; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         if (null !== $redirectTarget) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |             $attributes['data-pjax-redirect-target'] = (string)$redirectTarget; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |         return $attributes; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |      * {@inheritDoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |     public function getName() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |         return 'pjax_extension'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |      * @param string $section | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |     protected function getSectionConfig($section) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |         if (!isset($this->sections[$section])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |             throw new InvalidConfigurationException(sprintf('Section "%s" does not configured', $section)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |         $sectionConfig = $this->sections[$section]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |         return $sectionConfig; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 217 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 218 |  |  |  | 
            
                        
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: