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<?php |
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namespace Ballen\Cartographer; |
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use Ballen\Cartographer\Core\GeoJSONTypeInterface; |
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use Ballen\Cartographer\Core\GeoJSON; |
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use Ballen\Collection\Collection; |
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/** |
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* Cartographer |
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* |
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* Cartographer is a PHP library providing the ability to programmatically |
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* generate GeoJSON objects. |
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* |
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* @author Bobby Allen <[email protected]> |
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* @license http://www.gnu.org/licenses/gpl-3.0.html |
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* @link https://github.com/allebb/cartographer |
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* @link http://bobbyallen.me |
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* |
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*/ |
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class GeometryCollection extends GeoJSON implements GeoJSONTypeInterface |
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{ |
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/** |
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* The GeoJSON schema type |
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* @var string |
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*/ |
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protected $type = GeoJSON::TYPE_GEOMETRYCOLLECTION; |
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/** |
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* The geometries collection (of Geomerty Objects) |
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* @var Collection |
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*/ |
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private $geometries; |
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public function __construct($init = []) |
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{ |
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$this->geometries = new Collection; |
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if (is_array($init)) { |
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array_walk($init, function($item) { |
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if (is_a($item, GeoJSONTypeInterface::class)) { |
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$this->addGeometry($item); |
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} |
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}); |
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} |
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} |
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/** |
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* Add a new geometry object to the GeometryCollection. |
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* @param GeoJSONTypeInterface $geometry |
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*/ |
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public function addGeometry(GeoJSONTypeInterface $geometry) |
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{ |
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$this->geometries->push($geometry); |
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} |
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/** |
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* Exports the type specific schema element(s). |
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* @return array |
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*/ |
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public function export() |
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{ |
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$geometries = []; |
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foreach ($this->geometries->all()->toArray() as $gemometry) { |
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$geometries[] = $gemometry->generateMember(); |
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} |
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return [ |
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'geometries' => $geometries, |
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]; |
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} |
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/** |
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* Validate the type specific schema element(s). |
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* @return boolean |
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*/ |
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public function validate() |
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{ |
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// GeometryCollection type must have one or more geometry type. |
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if ($this->geometries->count() > 0) { |
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return true; |
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} |
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return false; |
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} |
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} |
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allebb /
cartographer
