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<?php |
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namespace Ballen\Cartographer; |
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use Ballen\Cartographer\Core\GeoJSON; |
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use Ballen\Cartographer\Core\GeoJSONTypeInterface; |
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use Ballen\Cartographer\LineString; |
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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 MultiLineString 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_MULTILINESTRING; |
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/** |
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* The collection of LineString objects. |
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* @var Collection |
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*/ |
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private $linestrings; |
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/** |
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* Create a new instance of the MultiPointString GeoJSON schema |
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*/ |
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public function __construct($init = []) |
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{ |
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$this->linestrings = new Collection; |
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if (is_array($init)) { |
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array_walk($init, function($item) { |
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if (is_a($item, LineString::class)) { |
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$this->addLineString($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 LineString object collection. |
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* @param LineString $linestring |
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*/ |
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public function addLineString(LineString $linestring) |
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{ |
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$this->linestrings->push($linestring); |
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} |
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/** |
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* Exports the type specific schema element(s). |
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* @return array |
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*/ |
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public function export() |
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{ |
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$linestrings = []; |
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foreach ($this->linestrings->all()->toArray() as $linestring) { |
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$linestrings[] = $linestring->exportArray(); |
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} |
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return [ |
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'coordinates' => $linestrings, |
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]; |
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} |
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/** |
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* Validate the type specific schema element(s). |
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* @return boolean |
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*/ |
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public function validate() |
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{ |
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if ($this->linestrings->count() < 2) { |
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return false; |
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} |
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return true; |
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} |
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} |
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allebb /
cartographer
