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<?php |
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namespace Smindel\GIS\Forms; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Forms\GridField\GridField; |
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use SilverStripe\Forms\GridField\GridField_HTMLProvider; |
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use SilverStripe\Forms\GridField\GridField_DataManipulator; |
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use SilverStripe\View\Requirements; |
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use SilverStripe\Core\Injector\Injectable; |
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use SilverStripe\Core\Config\Config; |
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use SilverStripe\ORM\SS_List; |
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use Smindel\GIS\GIS; |
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use proj4php\Proj4php; |
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use proj4php\Proj; |
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use proj4php\Point; |
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/** |
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* GridFieldPaginator paginates the {@link GridField} list and adds controls |
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* to the bottom of the {@link GridField}. |
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*/ |
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class GridFieldMap implements GridField_HTMLProvider, GridField_DataManipulator |
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{ |
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use Injectable; |
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use Configurable; |
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protected $attribute; |
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public function __construct($attribute = null) |
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{ |
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$this->attribute = $attribute; |
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} |
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/** |
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* |
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* @param GridField $gridField |
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* @return array |
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*/ |
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public function getHTMLFragments($gridField) |
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{ |
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$srid = GIS::config()->default_srid; |
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$proj = GIS::config()->projections[$srid]; |
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Requirements::javascript('smindel/silverstripe-gis: client/dist/js/leaflet.js'); |
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Requirements::javascript('smindel/silverstripe-gis: client/dist/js/leaflet.markercluster.js'); |
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Requirements::javascript('smindel/silverstripe-gis: client/dist/js/leaflet-search.js'); |
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Requirements::javascript('smindel/silverstripe-gis: client/dist/js/proj4.js'); |
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Requirements::customScript(sprintf('proj4.defs("EPSG:%s", "%s");', $srid, $proj), 'EPSG:' . $srid); |
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Requirements::javascript('smindel/silverstripe-gis: client/dist/js/GridFieldMap.js'); |
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Requirements::css('smindel/silverstripe-gis: client/dist/css/leaflet.css'); |
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Requirements::css('smindel/silverstripe-gis: client/dist/css/MarkerCluster.css'); |
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Requirements::css('smindel/silverstripe-gis: client/dist/css/MarkerCluster.Default.css'); |
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Requirements::css('smindel/silverstripe-gis: client/dist/css/leaflet-search.css'); |
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$defaultLocation = Config::inst()->get(MapField::class, 'default_location'); |
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return array( |
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'before' => sprintf( |
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'<div class="grid-field-map" data-map-center="%s" data-list="%s" style="z-index:0;"></div>', |
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GIS::create([$defaultLocation['lon'], $defaultLocation['lat']]), |
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htmlentities( |
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self::get_geojson_from_list( |
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$gridField->getList(), |
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$this->attribute ?: GIS::of($gridField->getList()->dataClass()) |
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), |
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ENT_QUOTES, |
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'UTF-8' |
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) |
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), |
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); |
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} |
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public static function get_geojson_from_list($list, $geometryField = null) |
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{ |
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$modelClass = $list->dataClass(); |
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$geometryField = $geometryField ?: GIS::of($modelClass); |
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if (($srid = GIS::config()->default_srid) != 4326) { |
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$projDef = GIS::config()->projections[$srid]; |
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$proj4 = new Proj4php(); |
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$proj4->addDef('EPSG:' . $srid, $projDef); |
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$proj = new Proj('EPSG:' . $srid, $proj4); |
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} |
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$collection = []; |
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foreach ($list as $item) { |
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if (!$item->canView()) { |
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continue; |
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} |
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$geo = GIS::create($item->$geometryField)->reproject(4326); |
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$collection[$item->ID] = [ |
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$item->Title, |
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$geo->type, |
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$geo->coordinates, |
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]; |
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} |
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return json_encode($collection); |
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} |
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/** |
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* Manipulate the {@link DataList} as needed by this grid modifier. |
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* |
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* @param GridField $gridField |
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* @param SS_List $dataList |
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* @return \SilverStripe\ORM\DataList |
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*/ |
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public function getManipulatedData(GridField $gridField, SS_List $dataList) |
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{ |
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return $dataList; |
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} |
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} |
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smindel /
silverstripe-gis
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