Contract
5 years ago
Exception
5 years ago
InsertNode.php
5 years ago
MoveNode.php
5 years ago
MoveNodeProxy.php
5 years ago
NameCollision.php
5 years ago
RemoveNode.php
5 years ago
WalkNodes.php
5 years ago
WalkNodes.php
38 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Give\Framework\FieldsAPI\FieldCollection; |
| 4 | |
| 5 | use Give\Framework\FieldsAPI\FieldCollection; |
| 6 | use Give\Framework\FieldsAPI\FieldCollection\Contract\GroupNode; |
| 7 | |
| 8 | /** |
| 9 | * A declaritive iterator for each Node in the tree. |
| 10 | */ |
| 11 | trait WalkNodes { |
| 12 | |
| 13 | /** |
| 14 | * @param Callable $callback |
| 15 | * |
| 16 | * @return void |
| 17 | */ |
| 18 | public function walk( callable $callback ) { |
| 19 | $this->walkCollection( $this, $callback ); |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * @param FieldCollection $collection |
| 24 | * @param Callable $callback |
| 25 | * |
| 26 | * @return void |
| 27 | */ |
| 28 | public function walkCollection( FieldCollection $collection, callable $callback ) { |
| 29 | foreach ( $collection->getFields() as $node ) { |
| 30 | if ( $node instanceof GroupNode ) { |
| 31 | $this->walkCollection( $node, $callback ); |
| 32 | continue; |
| 33 | } |
| 34 | $callback( $node ); |
| 35 | } |
| 36 | } |
| 37 | } |
| 38 |