kristijanhusak /
laravel-form-builder
Complex classes like FormField often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use FormField, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 16 | abstract class FormField |
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| 17 | { |
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| 18 | /** |
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| 19 | * Name of the field. |
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| 20 | * |
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| 21 | * @var string |
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| 22 | */ |
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| 23 | protected $name; |
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| 24 | |||
| 25 | /** |
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| 26 | * Type of the field. |
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| 27 | * |
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| 28 | * @var string |
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| 29 | */ |
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| 30 | protected $type; |
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| 31 | |||
| 32 | /** |
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| 33 | * All options for the field. |
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| 34 | * |
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| 35 | * @var array |
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| 36 | */ |
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| 37 | protected $options = []; |
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| 38 | |||
| 39 | /** |
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| 40 | * Is field rendered. |
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| 41 | * |
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| 42 | * @var bool |
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| 43 | */ |
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| 44 | protected $rendered = false; |
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| 45 | |||
| 46 | /** |
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| 47 | * @var Form |
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| 48 | */ |
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| 49 | protected $parent; |
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| 50 | |||
| 51 | /** |
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| 52 | * @var string |
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| 53 | */ |
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| 54 | protected $template; |
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| 55 | |||
| 56 | /** |
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| 57 | * @var FormHelper |
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| 58 | */ |
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| 59 | protected $formHelper; |
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| 60 | |||
| 61 | /** |
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| 62 | * Name of the property for value setting. |
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| 63 | * |
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| 64 | * @var string |
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| 65 | */ |
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| 66 | protected $valueProperty = 'value'; |
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| 67 | |||
| 68 | /** |
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| 69 | * Name of the property for default value. |
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| 70 | * |
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| 71 | * @var string |
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| 72 | */ |
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| 73 | protected $defaultValueProperty = 'default_value'; |
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| 74 | |||
| 75 | /** |
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| 76 | * Is default value set? |
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| 77 | * |
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| 78 | * @var bool|false |
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| 79 | */ |
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| 80 | protected $hasDefault = false; |
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| 81 | |||
| 82 | /** |
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| 83 | * @var \Closure|null |
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| 84 | */ |
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| 85 | protected $valueClosure = null; |
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| 86 | |||
| 87 | /** |
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| 88 | * Array of filters key(alias/name) => objects. |
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| 89 | * |
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| 90 | * @var array |
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| 91 | */ |
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| 92 | protected $filters = []; |
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| 93 | |||
| 94 | /** |
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| 95 | * Raw/unfiltered field value. |
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| 96 | * |
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| 97 | * @var mixed $rawValues |
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| 98 | */ |
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| 99 | protected $rawValue; |
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| 100 | |||
| 101 | /** |
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| 102 | * Override filters with same alias/name for field. |
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| 103 | * |
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| 104 | * @var bool |
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| 105 | */ |
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| 106 | protected $filtersOverride = false; |
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| 107 | |||
| 108 | /** |
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| 109 | * @param string $name |
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| 110 | * @param string $type |
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| 111 | * @param Form $parent |
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| 112 | * @param array $options |
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| 113 | */ |
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| 114 | 100 | public function __construct($name, $type, Form $parent, array $options = []) |
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| 125 | |||
| 126 | |||
| 127 | /** |
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| 128 | * Setup the value of the form field. |
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| 129 | * |
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| 130 | * @return void |
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| 131 | */ |
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| 132 | 100 | protected function setupValue() |
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| 147 | |||
| 148 | /** |
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| 149 | * Get the template, can be config variable or view path. |
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| 150 | * |
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| 151 | * @return string |
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| 152 | */ |
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| 153 | abstract protected function getTemplate(); |
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| 154 | |||
| 155 | /** |
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| 156 | * @return string |
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| 157 | */ |
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| 158 | 34 | protected function getViewTemplate() |
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| 162 | |||
| 163 | /** |
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| 164 | * Render the field. |
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| 165 | * |
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| 166 | * @param array $options |
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| 167 | * @param bool $showLabel |
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| 168 | * @param bool $showField |
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| 169 | * @param bool $showError |
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| 170 | * @return string |
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| 171 | */ |
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| 172 | 34 | public function render(array $options = [], $showLabel = true, $showField = true, $showError = true) |
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| 211 | |||
| 212 | /** |
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| 213 | * Return the extra render data for this form field, passed into the field's template directly. |
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| 214 | * |
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| 215 | * @return array |
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| 216 | */ |
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| 217 | 34 | protected function getRenderData() { |
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| 220 | |||
| 221 | /** |
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| 222 | * Get the attribute value from the model by name. |
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| 223 | * |
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| 224 | * @param mixed $model |
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| 225 | * @param string $name |
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| 226 | * @return mixed |
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| 227 | */ |
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| 228 | 91 | protected function getModelValueAttribute($model, $name) |
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| 239 | |||
| 240 | /** |
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| 241 | * Transform array like syntax to dot syntax. |
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| 242 | * |
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| 243 | * @param string $key |
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| 244 | * @return mixed |
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| 245 | */ |
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| 246 | 100 | protected function transformKey($key) |
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| 250 | |||
| 251 | /** |
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| 252 | * Prepare options for rendering. |
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| 253 | * |
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| 254 | * @param array $options |
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| 255 | * @return array |
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| 256 | */ |
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| 257 | 100 | protected function prepareOptions(array $options = []) |
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| 319 | |||
| 320 | /** |
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| 321 | * Get name of the field. |
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| 322 | * |
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| 323 | * @return string |
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| 324 | */ |
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| 325 | 39 | public function getName() |
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| 329 | |||
| 330 | /** |
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| 331 | * Set name of the field. |
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| 332 | * |
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| 333 | * @param string $name |
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| 334 | * @return $this |
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| 335 | */ |
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| 336 | 12 | public function setName($name) |
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| 342 | |||
| 343 | /** |
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| 344 | * Get dot notation key for fields. |
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| 345 | * |
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| 346 | * @return string |
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| 347 | **/ |
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| 348 | 53 | public function getNameKey() |
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| 352 | |||
| 353 | /** |
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| 354 | * Get field options. |
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| 355 | * |
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| 356 | * @return array |
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| 357 | */ |
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| 358 | 12 | public function getOptions() |
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| 362 | |||
| 363 | /** |
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| 364 | * Get single option from options array. Can be used with dot notation ('attr.class'). |
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| 365 | * |
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| 366 | * @param string $option |
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| 367 | * @param mixed|null $default |
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| 368 | * @return mixed |
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| 369 | */ |
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| 370 | 100 | public function getOption($option, $default = null) |
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| 374 | |||
| 375 | /** |
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| 376 | * Set field options. |
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| 377 | * |
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| 378 | * @param array $options |
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| 379 | * @return $this |
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| 380 | */ |
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| 381 | 12 | public function setOptions($options) |
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| 387 | |||
| 388 | /** |
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| 389 | * Set single option on the field. |
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| 390 | * |
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| 391 | * @param string $name |
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| 392 | * @param mixed $value |
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| 393 | * @return $this |
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| 394 | */ |
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| 395 | 100 | public function setOption($name, $value) |
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| 401 | |||
| 402 | /** |
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| 403 | * Get the type of the field. |
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| 404 | * |
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| 405 | * @return string |
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| 406 | */ |
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| 407 | 65 | public function getType() |
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| 411 | |||
| 412 | /** |
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| 413 | * Set type of the field. |
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| 414 | * |
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| 415 | * @param mixed $type |
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| 416 | * @return $this |
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| 417 | */ |
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| 418 | 1 | public function setType($type) |
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| 426 | |||
| 427 | /** |
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| 428 | * @return Form |
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| 429 | */ |
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| 430 | 100 | public function getParent() |
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| 434 | |||
| 435 | /** |
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| 436 | * Check if the field is rendered. |
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| 437 | * |
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| 438 | * @return bool |
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| 439 | */ |
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| 440 | 4 | public function isRendered() |
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| 444 | |||
| 445 | /** |
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| 446 | * Default options for field. |
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| 447 | * |
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| 448 | * @return array |
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| 449 | */ |
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| 450 | 76 | protected function getDefaults() |
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| 454 | |||
| 455 | /** |
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| 456 | * Defaults used across all fields. |
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| 457 | * |
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| 458 | * @return array |
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| 459 | */ |
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| 460 | 100 | private function allDefaults() |
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| 479 | |||
| 480 | /** |
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| 481 | * Get real name of the field without form namespace. |
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| 482 | * |
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| 483 | * @return string |
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| 484 | */ |
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| 485 | 99 | public function getRealName() |
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| 489 | |||
| 490 | /** |
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| 491 | * @param $value |
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| 492 | * @return $this |
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| 493 | */ |
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| 494 | 93 | public function setValue($value) |
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| 514 | |||
| 515 | /** |
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| 516 | * Set the template property on the object. |
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| 517 | * |
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| 518 | * @return void |
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| 519 | */ |
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| 520 | 100 | private function setTemplate() |
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| 524 | |||
| 525 | /** |
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| 526 | * Add error class to wrapper if validation errors exist. |
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| 527 | * |
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| 528 | * @return void |
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| 529 | */ |
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| 530 | 100 | protected function addErrorClass() |
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| 544 | |||
| 545 | /** |
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| 546 | * Merge all defaults with field specific defaults and set template if passed. |
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| 547 | * |
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| 548 | * @param array $options |
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| 549 | */ |
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| 550 | 100 | protected function setDefaultOptions(array $options = []) |
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| 560 | |||
| 561 | /** |
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| 562 | * Creates default wrapper classes for the form element. |
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| 563 | * |
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| 564 | * @param array $options |
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| 565 | * @return array |
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| 566 | */ |
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| 567 | 100 | protected function setDefaultClasses(array $options = []) |
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| 585 | |||
| 586 | /** |
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| 587 | * Setup the label for the form field. |
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| 588 | * |
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| 589 | * @return void |
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| 590 | */ |
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| 591 | 100 | protected function setupLabel() |
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| 611 | |||
| 612 | /** |
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| 613 | * Check if fields needs label. |
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| 614 | * |
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| 615 | * @return bool |
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| 616 | */ |
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| 617 | 34 | protected function needsLabel() |
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| 628 | |||
| 629 | /** |
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| 630 | * Disable field. |
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| 631 | * |
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| 632 | * @return $this |
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| 633 | */ |
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| 634 | 1 | public function disable() |
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| 640 | |||
| 641 | /** |
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| 642 | * Enable field. |
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| 643 | * |
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| 644 | * @return $this |
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| 645 | */ |
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| 646 | 1 | public function enable() |
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| 652 | |||
| 653 | /** |
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| 654 | * Get validation rules for a field if any with label for attributes. |
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| 655 | * |
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| 656 | * @return array|null |
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| 657 | */ |
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| 658 | 9 | public function getValidationRules() |
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| 694 | |||
| 695 | /** |
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| 696 | * Get this field's attributes, probably just one. |
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| 697 | * |
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| 698 | * @return array |
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| 699 | */ |
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| 700 | 3 | public function getAllAttributes() |
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| 704 | |||
| 705 | /** |
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| 706 | * Get value property. |
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| 707 | * |
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| 708 | * @param mixed|null $default |
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| 709 | * @return mixed |
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| 710 | */ |
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| 711 | 37 | public function getValue($default = null) |
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| 715 | |||
| 716 | /** |
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| 717 | * Get default value property. |
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| 718 | * |
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| 719 | * @param mixed|null $default |
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| 720 | * @return mixed |
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| 721 | */ |
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| 722 | 34 | public function getDefaultValue($default = null) |
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| 726 | |||
| 727 | /** |
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| 728 | * Check if provided value is valid for this type. |
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| 729 | * |
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| 730 | * @return bool |
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| 731 | */ |
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| 732 | 93 | protected function isValidValue($value) |
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| 736 | |||
| 737 | /** |
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| 738 | * Method initFilters used to initialize filters |
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| 739 | * from field options and bind it to the same. |
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| 740 | * |
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| 741 | * @return $this |
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| 742 | */ |
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| 743 | 95 | protected function initFilters() |
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| 762 | |||
| 763 | /** |
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| 764 | * Method setFilters used to set filters to current filters property. |
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| 765 | * |
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| 766 | * @param array $filters |
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| 767 | * |
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| 768 | * @return \Kris\LaravelFormBuilder\Fields\FormField |
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| 769 | */ |
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| 770 | public function setFilters(array $filters) |
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| 779 | |||
| 780 | /** |
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| 781 | * Method getFilters returns array of binded filters |
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| 782 | * if there are any binded. Otherwise empty array. |
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| 783 | * |
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| 784 | * @return array |
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| 785 | */ |
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| 786 | 23 | public function getFilters() |
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| 790 | |||
| 791 | /** |
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| 792 | * @param string|FilterInterface $filter |
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| 793 | * |
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| 794 | * @return \Kris\LaravelFormBuilder\Fields\FormField |
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| 795 | * |
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| 796 | * @throws FilterAlreadyBindedException |
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| 797 | */ |
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| 798 | 8 | public function addFilter($filter) |
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| 826 | |||
| 827 | /** |
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| 828 | * Method removeFilter used to remove filter by provided alias/name. |
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| 829 | * |
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| 830 | * @param string $name |
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| 831 | * |
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| 832 | * @return \Kris\LaravelFormBuilder\Fields\FormField |
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| 833 | */ |
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| 834 | 1 | public function removeFilter($name) |
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| 844 | |||
| 845 | /** |
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| 846 | * Method removeFilters used to remove filters by provided aliases/names. |
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| 847 | * |
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| 848 | * @param array $filterNames |
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| 849 | * |
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| 850 | * @return \Kris\LaravelFormBuilder\Fields\FormField |
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| 851 | */ |
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| 852 | 1 | public function removeFilters(array $filterNames) |
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| 864 | |||
| 865 | /** |
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| 866 | * Method clearFilters used to empty current filters property. |
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| 867 | * |
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| 868 | * @return \Kris\LaravelFormBuilder\Fields\FormField |
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| 869 | */ |
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| 870 | 1 | public function clearFilters() |
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| 875 | |||
| 876 | /** |
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| 877 | * Method used to set FiltersOverride status to provided value. |
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| 878 | * |
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| 879 | * @param $status |
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| 880 | * |
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| 881 | * @return \Kris\LaravelFormBuilder\Fields\FormField |
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| 882 | */ |
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| 883 | 2 | public function setFiltersOverride($status) |
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| 888 | |||
| 889 | /** |
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| 890 | * @return bool |
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| 891 | */ |
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| 892 | 9 | public function getFiltersOverride() |
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| 896 | |||
| 897 | /** |
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| 898 | * Method used to set Unfiltered/Unmutated field value. |
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| 899 | * Method is called before field value mutating starts - request value filtering. |
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| 900 | * |
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| 901 | * @param mixed $value |
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| 902 | * |
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| 903 | * @return \Kris\LaravelFormBuilder\Fields\FormField |
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| 904 | */ |
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| 905 | 1 | public function setRawValue($value) |
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| 910 | |||
| 911 | /** |
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| 912 | * Returns unfiltered raw value of field. |
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| 913 | * |
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| 914 | * @return mixed |
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| 915 | */ |
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| 916 | public function getRawValue() |
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| 920 | } |
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| 921 |
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This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.