Laravel-Backpack /
CRUD
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| Total Complexity | 43 |
| Total Lines | 264 |
| Duplicated Lines | 0 % |
| Changes | 2 | ||
| Bugs | 0 | Features | 0 |
Complex classes like FieldsProtectedMethods 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.
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 FieldsProtectedMethods, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 8 | trait FieldsProtectedMethods |
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| 9 | { |
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| 10 | /** |
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| 11 | * If field has entity we want to get the relation type from it. |
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| 12 | * |
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| 13 | * @param array $field |
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| 14 | * @return array |
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| 15 | */ |
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| 16 | public function makeSureFieldHasRelationType($field) |
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| 17 | { |
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| 18 | $field['relation_type'] = $field['relation_type'] ?? $this->inferRelationTypeFromRelationship($field); |
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| 19 | |||
| 20 | return $field; |
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| 21 | } |
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| 22 | |||
| 23 | /** |
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| 24 | * If field has entity we want to make sure it also has a model for that relation. |
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| 25 | * |
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| 26 | * @param array $field |
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| 27 | * @return array |
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| 28 | */ |
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| 29 | public function makeSureFieldHasModel($field) |
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| 30 | { |
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| 31 | $field['model'] = $field['model'] ?? $this->inferFieldModelFromRelationship($field); |
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| 32 | |||
| 33 | return $field; |
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| 34 | } |
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| 35 | |||
| 36 | /** |
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| 37 | * Based on relation type we can guess if pivot is set. |
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| 38 | * |
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| 39 | * @param array $field |
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| 40 | * @return array |
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| 41 | */ |
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| 42 | public function makeSureFieldHasPivot($field) |
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| 43 | { |
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| 44 | $field['pivot'] = $field['pivot'] ?? $this->guessIfFieldHasPivotFromRelationType($field['relation_type']); |
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| 45 | |||
| 46 | return $field; |
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| 47 | } |
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| 48 | |||
| 49 | /** |
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| 50 | * Based on relation type we can try to guess if it is a multiple field. |
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| 51 | * |
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| 52 | * @param array $field |
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| 53 | * @return array |
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| 54 | */ |
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| 55 | public function makeSureFieldHasMultiple($field) |
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| 56 | { |
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| 57 | if (isset($field['relation_type'])) { |
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| 58 | $field['multiple'] = $field['multiple'] ?? $this->guessIfFieldHasMultipleFromRelationType($field['relation_type']); |
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| 59 | } |
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| 60 | |||
| 61 | return $field; |
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| 62 | } |
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| 63 | |||
| 64 | /** |
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| 65 | * In case field name is dot notation we want to convert it to a valid HTML array field name for validation purposes. |
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| 66 | * |
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| 67 | * @param array $field |
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| 68 | * @return array |
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| 69 | */ |
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| 70 | public function overwriteFieldNameFromDotNotationToArray($field) |
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| 71 | { |
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| 72 | if (! is_array($field['name']) && strpos($field['name'], '.') !== false) { |
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| 73 | $entity_array = explode('.', $field['name']); |
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| 74 | $name_string = ''; |
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| 75 | |||
| 76 | foreach ($entity_array as $key => $array_entity) { |
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| 77 | $name_string .= ($key == 0) ? $array_entity : '['.$array_entity.']'; |
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| 78 | } |
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| 79 | |||
| 80 | $field['name'] = $name_string; |
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| 81 | } |
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| 82 | |||
| 83 | return $field; |
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| 84 | } |
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| 85 | |||
| 86 | /** |
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| 87 | * If the field_definition_array array is a string, it means the programmer was lazy |
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| 88 | * and has only passed the name of the field. Turn that into a proper array. |
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| 89 | * |
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| 90 | * @param string|array $field The field definition array (or string). |
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| 91 | * @return array |
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| 92 | */ |
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| 93 | protected function makeSureFieldHasName($field) |
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| 104 | } |
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| 105 | |||
| 106 | /** |
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| 107 | * If entity is not present, but it looks like the field SHOULD be a relationship field, |
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| 108 | * try to determine the method on the model that defines the relationship, and pass it to |
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| 109 | * the field as 'entity'. |
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| 110 | * |
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| 111 | * @param array $field |
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| 112 | * @return array |
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| 113 | */ |
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| 114 | protected function makeSureFieldHasEntity($field) |
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| 152 | } |
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| 153 | |||
| 154 | protected function overwriteFieldNameFromEntity($field) |
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| 155 | { |
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| 156 | // if the entity doesn't have a dot, it means we don't need to overwrite the name |
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| 157 | if (! Str::contains($field['entity'], '.')) { |
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| 158 | return $field; |
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| 159 | } |
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| 160 | |||
| 161 | // only 1-1 relationships are supported, if it's anything else, abort |
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| 162 | if ($field['relation_type'] != 'HasOne' || $field['relation_type'] != 'MorphOne') { |
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| 163 | return $field; |
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| 164 | } |
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| 165 | |||
| 166 | if (count(explode('.', $field['entity'])) == count(explode('.', $this->getOnlyRelationEntity($field)))) { |
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| 167 | $field['name'] = implode('.', array_slice(explode('.', $field['entity']), 0, -1)); |
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| 168 | $relation = $this->getRelationInstance($field); |
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| 169 | if (! empty($field['name'])) { |
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| 170 | $field['name'] .= '.'; |
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| 171 | } |
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| 172 | $field['name'] .= $relation->getForeignKeyName(); |
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| 173 | } |
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| 174 | |||
| 175 | return $field; |
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| 176 | } |
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| 177 | |||
| 178 | protected function makeSureFieldHasAttribute($field) |
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| 179 | { |
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| 180 | // if there's a model defined, but no attribute |
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| 181 | // guess an attribute using the identifiableAttribute functionality in CrudTrait |
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| 182 | if (isset($field['model']) && ! isset($field['attribute']) && method_exists($field['model'], 'identifiableAttribute')) { |
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| 183 | $field['attribute'] = call_user_func([(new $field['model']), 'identifiableAttribute']); |
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| 184 | } |
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| 185 | |||
| 186 | return $field; |
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| 187 | } |
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| 188 | |||
| 189 | /** |
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| 190 | * Set the label of a field, if it's missing, by capitalizing the name and replacing |
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| 191 | * underscores with spaces. |
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| 192 | * |
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| 193 | * @param array $field Field definition array. |
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| 194 | * @return array Field definition array that contains label too. |
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| 195 | */ |
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| 196 | protected function makeSureFieldHasLabel($field) |
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| 197 | { |
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| 198 | if (! isset($field['label'])) { |
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| 199 | $name = is_array($field['name']) ? $field['name'][0] : $field['name']; |
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| 200 | $name = str_replace('_id', '', $name); |
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| 201 | $field['label'] = mb_ucfirst(str_replace('_', ' ', $name)); |
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| 202 | } |
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| 203 | |||
| 204 | return $field; |
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| 205 | } |
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| 206 | |||
| 207 | /** |
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| 208 | * Set the type of a field, if it's missing, by inferring it from the |
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| 209 | * db column type. |
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| 210 | * |
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| 211 | * @param array $field Field definition array. |
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| 212 | * @return array Field definition array that contains type too. |
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| 213 | */ |
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| 214 | protected function makeSureFieldHasType($field) |
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| 215 | { |
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| 216 | if (! isset($field['type'])) { |
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| 217 | $field['type'] = isset($field['relation_type']) ? $this->inferFieldTypeFromFieldRelation($field) : $this->inferFieldTypeFromDbColumnType($field['name']); |
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| 218 | } |
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| 219 | |||
| 220 | return $field; |
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| 221 | } |
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| 222 | |||
| 223 | /** |
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| 224 | * Enable the tabs functionality, if a field has a tab defined. |
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| 225 | * |
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| 226 | * @param array $field Field definition array. |
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| 227 | * @return void |
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| 228 | */ |
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| 229 | protected function enableTabsIfFieldUsesThem($field) |
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| 230 | { |
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| 231 | // if a tab was mentioned, we should enable it |
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| 232 | if (isset($field['tab'])) { |
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| 233 | if (! $this->tabsEnabled()) { |
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| 234 | $this->enableTabs(); |
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| 235 | } |
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| 236 | } |
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| 237 | } |
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| 238 | |||
| 239 | /** |
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| 240 | * Add a field to the current operation, using the Settings API. |
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| 241 | * |
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| 242 | * @param array $field Field definition array. |
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| 243 | */ |
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| 244 | protected function addFieldToOperationSettings($field) |
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| 245 | { |
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| 246 | $fieldKey = $this->getFieldKey($field); |
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| 247 | |||
| 248 | $allFields = $this->getOperationSetting('fields'); |
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| 249 | $allFields = Arr::add($this->fields(), $fieldKey, $field); |
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| 250 | |||
| 251 | $this->setOperationSetting('fields', $allFields); |
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| 252 | } |
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| 253 | |||
| 254 | /** |
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| 255 | * Get the string that should be used as an array key, for the attributive array |
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| 256 | * where the fields are stored for the current operation. |
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| 257 | * |
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| 258 | * The array key for the field should be: |
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| 259 | * - name (if the name is a string) |
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| 260 | * - name1_name2_name3 (if the name is an array) |
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| 261 | * |
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| 262 | * @param array $field Field definition array. |
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| 263 | * @return string The string that should be used as array key. |
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| 264 | */ |
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| 265 | protected function getFieldKey($field) |
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| 272 | } |
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| 273 | } |
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| 274 |
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