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<?php |
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|
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namespace Give\Framework\FieldsAPI\Concerns; |
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|
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use Give\Framework\FieldsAPI\Contracts\Collection; |
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|
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/** |
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* A declarative iterator for each Node in the tree. |
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*/ |
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trait WalkNodes |
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{ |
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|
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/** |
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* @param callable $callback |
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* |
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* @return void |
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*/ |
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public function walk(callable $callback) |
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{ |
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$this->walkCollection($this, $callback); |
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} |
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|
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/** |
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* @param Collection $collection |
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* @param callable $callback |
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* |
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* @return void |
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*/ |
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public function walkCollection(Collection $collection, callable $callback) |
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{ |
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foreach ($collection->all() as $node) { |
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$callback($node); |
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if ($node instanceof Collection) { |
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$this->walkCollection($node, $callback); |
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} |
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} |
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} |
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|
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/** |
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* @param callable $callback |
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* |
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* @return void |
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*/ |
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public function walkFields(callable $callback) |
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{ |
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foreach ($this->getFields() as $field) { |
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$callback($field); |
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} |
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} |
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} |
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