Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php  | 
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| 20 | class Row extends Nette\Object  | 
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| 21 | 1 | { | 
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| 22 | |||
| 23 | 1 | /**  | 
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| 24 | * @var DataGrid  | 
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| 25 | */  | 
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| 26 | protected $datagrid;  | 
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| 27 | |||
| 28 | /**  | 
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| 29 | * @var mixed  | 
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| 30 | */  | 
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| 31 | protected $item;  | 
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| 32 | |||
| 33 | /**  | 
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| 34 | * @var string  | 
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| 35 | */  | 
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| 36 | protected $primary_key;  | 
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| 37 | |||
| 38 | /**  | 
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| 39 | * @var mixed  | 
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| 40 | */  | 
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| 41 | protected $id;  | 
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| 42 | |||
| 43 | /**  | 
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| 44 | * @var Html  | 
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| 45 | */  | 
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| 46 | protected $control;  | 
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| 47 | |||
| 48 | |||
| 49 | /**  | 
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| 50 | * @param DataGrid $datagrid  | 
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| 51 | * @param mixed $item  | 
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| 52 | * @param string $primary_key  | 
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| 53 | */  | 
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| 54 | public function __construct(DataGrid $datagrid, $item, $primary_key)  | 
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| 66 | |||
| 67 | |||
| 68 | /**  | 
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| 69 | * Get id value of item  | 
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| 70 | * @return mixed  | 
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| 71 | */  | 
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| 72 | public function getId()  | 
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| 76 | |||
| 77 | |||
| 78 | /**  | 
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| 79 | * Get item value of key  | 
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| 80 | * @param mixed $key  | 
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| 81 | * @return mixed  | 
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| 82 | */  | 
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| 83 | public function getValue($key)  | 
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| 124 | |||
| 125 | |||
| 126 | /**  | 
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| 127 | * @return Html  | 
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| 128 | */  | 
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| 129 | public function getControl()  | 
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| 133 | |||
| 134 | |||
| 135 | /**  | 
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| 136 | * @return string  | 
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| 137 | */  | 
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| 138 | public function getControlClass()  | 
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| 146 | |||
| 147 | |||
| 148 | /**  | 
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| 149 | * LeanMapper: Access object properties to get a item value  | 
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| 150 | * @param LeanMapper\Entity $item  | 
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| 151 | * @param mixed $key  | 
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| 152 | 1 | * @return mixed  | 
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| 153 | */  | 
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| 154 | View Code Duplication | public function getLeanMapperEntityProperty(LeanMapper\Entity $item, $key)  | 
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| 176 | |||
| 177 | |||
| 178 | /**  | 
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| 179 | * Nextras: Access object properties to get a item value  | 
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| 180 | * @param Nextras\Orm\Entity\Entity $item  | 
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| 181 | * @param string $key  | 
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| 182 | * @return mixed  | 
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| 183 | */  | 
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| 184 | View Code Duplication | public function getNextrasEntityProperty(Nextras\Orm\Entity\Entity $item, $key)  | 
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| 206 | |||
| 207 | |||
| 208 | /**  | 
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| 209 | 1 | * Doctrine: Access object properties to get a item value  | 
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| 210 | * @param mixed $item  | 
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| 211 | * @param mixed $key  | 
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| 212 | * @return mixed  | 
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| 213 | */  | 
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| 214 | public function getDoctrineEntityProperty($item, $key)  | 
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| 237 | |||
| 238 | |||
| 239 | /**  | 
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| 240 | * Get original item  | 
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| 241 | * @return mixed  | 
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| 242 | */  | 
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| 243 | public function getItem()  | 
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| 247 | |||
| 248 | |||
| 249 | /**  | 
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| 250 | * Has particular row group actions allowed?  | 
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| 251 | * @return bool  | 
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| 252 | */  | 
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| 253 | public function hasGroupAction()  | 
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| 259 | |||
| 260 | |||
| 261 | /**  | 
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| 262 | * Has particular row a action allowed?  | 
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| 263 | * @param mixed $key  | 
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| 264 | * @return bool  | 
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| 265 | */  | 
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| 266 | public function hasAction($key)  | 
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| 272 | |||
| 273 | |||
| 274 | /**  | 
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| 275 | * Has particular row inlie edit allowed?  | 
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| 276 | * @return bool  | 
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| 277 | */  | 
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| 278 | public function hasInlineEdit()  | 
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| 284 | |||
| 285 | |||
| 286 | /**  | 
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| 287 | * @param string $key  | 
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| 288 | * @param Column\Column $column  | 
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| 289 | * @return void  | 
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| 290 | */  | 
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| 291 | public function applyColumnCallback($key, Column\Column $column)  | 
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| 301 | |||
| 302 | |||
| 303 | /**  | 
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| 304 | * Key may contain ".", get rid of it (+ the table alias)  | 
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| 305 | *  | 
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| 306 | * @param string $key  | 
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| 307 | * @return string  | 
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| 308 | */  | 
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| 309 | private function formatDibiRowKey($key)  | 
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| 317 | |||
| 318 | }  | 
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| 319 |