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Merge geometries from multiple uploaded files together.

This commit is contained in:
Michael Stenta 2021-09-01 16:52:48 -04:00
parent 2b7408e87c
commit 71db605a98
1 changed files with 33 additions and 19 deletions
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52
modules/core/map/src/Plugin/Field/FieldWidget/GeofieldWidget.php
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@ -8,6 +8,7 @@ use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\File\FileSystem;
use Drupal\Core\Form\FormStateInterface;
use Drupal\farm_geo\Traits\WktTrait;
use Drupal\file\FileInterface;
use Drupal\geofield\GeoPHP\GeoPHPInterface;
use Drupal\geofield\Plugin\Field\FieldWidget\GeofieldBaseWidget;
@ -28,6 +29,8 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
*/
class GeofieldWidget extends GeofieldBaseWidget {
use WktTrait;
/**
* The file system service.
*
@ -217,32 +220,43 @@ class GeofieldWidget extends GeofieldBaseWidget {
/** @var \Drupal\file\Entity\File[] $files */
$files = \Drupal::entityTypeManager()->getStorage('file')->loadMultiple($file_ids);
// @todo Support multiple files. Combine geometries?
// @todo Support geometry field with > 1 cardinality.
$wkt = '';
$wkt_strings = [];
if (!empty($files)) {
foreach ($files as $file) {
// Check the first file.
$file = reset($files);
$geophp_type = $this->getGeoPhpType($file);
// Get the geometry type.
$geophp_type = $this->getGeoPhpType($file);
// Bail if the file is not a supported format.
if ($geophp_type === FALSE) {
$this->messenger()->addWarning(
$this->t('%filename is not a supported geometry file format. Supported formats: %formats',
['%filename' => $file->getFilename(), '%formats' => implode(', ', array_keys(static::$geoPhpTypes))]
));
return;
// Bail if the file is not a supported format.
if ($geophp_type === FALSE) {
$this->messenger()->addWarning(
$this->t('%filename is not a supported geometry file format. Supported formats: %formats',
['%filename' => $file->getFilename(), '%formats' => implode(', ', array_keys(static::$geoPhpTypes))]
));
return;
}
// Try to parse geometry using the specified geoPHP type.
$path = $file->getFileUri();
if ($geophp_type == 'kml' && $file->getMimeType() === 'application/vnd.google-earth.kmz' && extension_loaded('zip')) {
$path = 'zip://' . $this->fileSystem->realpath($path) . '#doc.kml';
}
$data = file_get_contents($path);
if ($geom = $this->geoPhpWrapper->load($data, $geophp_type)) {
$wkt_strings[] = $geom->out('wkt');
}
}
}
// Try to parse geometry using the specified geoPHP type.
$path = $file->getFileUri();
if ($geophp_type == 'kml' && $file->getMimeType() === 'application/vnd.google-earth.kmz' && extension_loaded('zip')) {
$path = 'zip://' . $this->fileSystem->realpath($path) . '#doc.kml';
// Merge WKT geometries into a single geometry collection.
$wkt = '';
if (!empty($wkt_strings)) {
if (count($wkt_strings) > 1) {
$wkt = $this->combineWkt($wkt_strings);
}
$data = file_get_contents($path);
if ($geom = $this->geoPhpWrapper->load($data, $geophp_type)) {
$wkt = $geom->out('wkt');
else {
$wkt = reset($wkt_strings);
}
}