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jpm |
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<?php
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// declare(encoding='UTF-8');
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/**
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* Gère le sous-service Taxons de Cartes.
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*
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* @see http://www.tela-botanica.org/wikini/eflore/wakka.php?wiki=EfloreApi01Cartes
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*
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* @package eFlore/services
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @license GPL v3 <http://www.gnu.org/licenses/gpl.txt>
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* @license CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
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* @version 1.0
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* @copyright 1999-2012 Tela Botanica (accueil@tela-botanica.org)
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*/
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// TODO : Config et Outils sont des classes statiques qui doivent poser des pb pour les tests...
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class TaxonsCartes {
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private $parametres = array();
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private $ressources = array();
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jpm |
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const CODE_REFTAX_DEFAUT = 'bdtfx';
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jpm |
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const TYPE_ID_DEFAUT = 'nn';
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const CARTE_DEFAUT = 'france_02';
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jpm |
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const FORMAT_DEFAUT = '587x550';
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jpm |
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const VERSION_DEFAUT = '+';
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jpm |
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const MIME_SVG = 'image/svg+xml';
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const MIME_PNG = 'image/png';
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const PRESENCE_CHOROLOGIE = '1';
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private $config = array();
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jpm |
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private $convertisseur = '';
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jpm |
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private $cheminCartesBase = '';
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jpm |
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private $formatsSupportes = array(self::MIME_SVG, self::MIME_PNG);
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private $reftaxSupportes = array(self::CODE_REFTAX_DEFAUT);
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jpm |
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private $UrlNavigation = null;
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private $taxonsDemandes = array();
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private $imgLargeur = 0;
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private $imgHauteur = 0;
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private $tableMeta = '';
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private $tableOntologie = '';
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private $tableChorodep = '';
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private $metadonnees = '';
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private $ontologies = '';
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private $priorites = '';
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private $version = '';
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private $legende = array();
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private $donnees = array();
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public function __construct(Conteneur $conteneur) {
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$this->Bdd = $conteneur->getBdd();
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$this->tableOntologie = $conteneur->getParametre('bdd_table_ontologies');
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$this->config = $conteneur->getParametre('Cartes');
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jpm |
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$this->convertisseur = $this->config['convertisseur'];
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jpm |
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$this->tableMeta = $conteneur->getParametre('bdd_table_meta');
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$this->tableOntologie = $conteneur->getParametre('bdd_table_ontologies');
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$this->cheminCartesBase = $this->config['chemin'];
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raphael |
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$cacheOptions = array('mise_en_cache' => $this->config['cache_miseEnCache'],
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'stockage_chemin' => $this->config['cache_stockageChemin'],
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'duree_de_vie' => $this->config['cache_dureeDeVie']);
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jpm |
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$this->cache = $conteneur->getCacheSimple($cacheOptions);
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}
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public function consulter($ressources, $parametres) {
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$this->parametres = $parametres;
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$this->ressources = $ressources;
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$this->definirValeurParDefautDesParametres();
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$this->verifierParametres();
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$resultat = $this->obtenirResultat();
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return $resultat;
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}
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private function definirValeurParDefautDesParametres() {
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if (isset($this->parametres['retour']) == false) {
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$this->parametres['retour'] = self::MIME_SVG;
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}
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if (isset($this->parametres['retour.format']) == false) {
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$this->parametres['retour.format'] = self::FORMAT_DEFAUT;
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}
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jpm |
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if (isset($this->parametres['version.projet']) == false) {
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$this->parametres['version.projet'] = self::VERSION_DEFAUT;
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}
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jpm |
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}
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private function verifierParametres() {
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$erreurs = array();
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if (isset($this->parametres['retour']) == false) {
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$erreurs[] = "Le paramètre type de retour 'retour' est obligatoire.";
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}
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if ($this->verifierValeurParametreRetour() == false) {
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$erreurs[] = "Le type de retour '{$this->parametres['retour']}' n'est pas supporté.";
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}
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if (isset($this->parametres['retour.format']) == false) {
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$erreurs[] = "Le paramètre de format de retour 'retour.format' est obligatoire.";
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}
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if ($this->verifierValeurParametreFormat() == false) {
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$erreurs[] = "Le type de format '{$this->parametres['retour.format']}' n'est pas supporté.".
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jpm |
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"Veuillez indiquer un nombre entier correspondant à la largeur désirée pour la carte.";
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jpm |
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}
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jpm |
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if ($this->verifierValeurParametreVersionProjet() == false) {
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$erreurs[] = "Le format de version.projet '{$this->parametres['version.projet']}' n'est pas supporté.".
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"Veuillez indiquer le code '+' (=dernière version) ou une année sur 4 chiffres séparé d'un mois ".
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"sur deux chiffres par un point. Ex. : 2012.01";
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}
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jpm |
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if (count($erreurs) > 0) {
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$message = implode('<br />', $erreurs);
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$code = RestServeur::HTTP_CODE_MAUVAISE_REQUETE;
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throw new Exception($message, $code);
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}
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}
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private function verifierValeurParametreRetour() {
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jpm |
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return in_array($this->parametres['retour'], $this->formatsSupportes);
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jpm |
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}
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private function verifierValeurParametreFormat() {
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if ($ok = preg_match('/^([0-9]+)$/', $this->parametres['retour.format'], $match)) {
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$this->imgLargeur = $match[1];
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} else if ($ok = preg_match('/^([0-9]+)x([0-9]+)$/', $this->parametres['retour.format'], $match)) {
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$this->imgLargeur = $match[1];
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$this->imgHauteur = $match[2];
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}
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return $ok;
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}
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jpm |
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private function verifierValeurParametreVersionProjet() {
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$ok = (preg_match('/^(?:[+]|[0-9]{4}\.[0-9]{2})$/', $this->parametres['version.projet']) == 0) ? false : true;
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return $ok;
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}
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jpm |
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private function obtenirResultat() {
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$this->analyserIdentifiants();
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jpm |
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$this->verifierIdentifiants();
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jpm |
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jpm |
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$this->chargerMetadonnees();
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$this->definirVersion();
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$this->tableChorodep = 'chorodep_v'.str_replace('.', '_', $this->version);
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$this->chargerOntologies();
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$this->chargerLegende();
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$this->chargerPrioritesLegende();
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jpm |
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$this->chargerDonnees();
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$svg = $this->genererSVG();
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$img = ($this->parametres['retour'] == self::MIME_PNG) ? $this->convertirEnPNG($svg) : $svg;
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$resultat = new ResultatService();
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$resultat->corps = $img;
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$resultat->mime = $this->parametres['retour'];
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return $resultat;
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}
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private function analyserIdentifiants() {
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$ids = $this->ressources[0];
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if (preg_match('/^[0-9]+$/', $ids)) {
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$this->taxonsDemandes[self::CODE_REFTAX_DEFAUT]['nn'][] = $ids;
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} else {
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// ceci contient potentiellement des formes ref_tax1.nn:1,2;ref_tax2.nt:3,4
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$projetsListeEtNumNoms = explode(';', $ids);
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if (count($projetsListeEtNumNoms) > 0) {
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foreach ($projetsListeEtNumNoms as $projetEtNumNoms) {
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$projetEtNumNoms = (strpos($projetEtNumNoms, ':')) ? $projetEtNumNoms : self::CODE_REFTAX_DEFAUT.'.nn:'.$projetEtNumNoms;
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list($projetEtType, $numNoms) = explode(':', $projetEtNumNoms);
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jpm |
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$projetEtType = (strpos($projetEtType, '.')) ? $projetEtType : self::CODE_REFTAX_DEFAUT.'.'.$projetEtType;
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jpm |
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list($projet, $type) = explode('.', $projetEtType);
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jpm |
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jpm |
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$this->taxonsDemandes[$projet][$type] = explode(',', $numNoms);
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}
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}
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}
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}
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jpm |
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private function verifierIdentifiants() {
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foreach (array_keys($this->taxonsDemandes) as $reftax) {
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$ok = in_array($reftax, $this->reftaxSupportes);
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if ($ok == false) {
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$message = "Le reférentiel taxonomique '$reftax' n'est pas pris en compte par ce projet.";
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$code = RestServeur::HTTP_CODE_MAUVAISE_REQUETE;
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throw new Exception($message, $code);
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}
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}
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}
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private function chargerMetadonnees() {
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jpm |
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$requete = 'SELECT * '.
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jpm |
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"FROM {$this->tableMeta} ".
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"ORDER BY date_creation DESC ";
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$resultats = $this->Bdd->recupererTous($requete);
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jpm |
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if (!is_array($resultats) || count($resultats) <= 0) {
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jpm |
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$message = "Les méta-données n'ont pu être chargée pour la ressource demandée";
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jpm |
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$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;
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throw new Exception($message, $code);
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}
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$this->metadonnees = $resultats;
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jpm |
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}
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jpm |
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jpm |
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private function definirVersion() {
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if ($this->parametres['version.projet'] == '+') {
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$this->version = $this->metadonnees[0]['version'];
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} else {
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$this->version = $this->parametres['version.projet'];
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}
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jpm |
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}
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private function chargerOntologies() {
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$requete = 'SELECT * '.
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jpm |
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"FROM {$this->tableOntologie} ";
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jpm |
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$resultats = $this->Bdd->recupererTous($requete);
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if (!is_array($resultats) || count($resultats) <= 0) {
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$message = "Les données de légende n'ont pu être chargées pour la ressource demandée";
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$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;
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throw new Exception($message, $code);
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}
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foreach ($resultats as $ontologie) {
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$this->ontologies[$ontologie['id']] = $this->extraireComplementsOntologies($ontologie);
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}
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}
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private function extraireComplementsOntologies($ontologie) {
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if ($ontologie['complements'] != '') {
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$complements = explode(',', trim($ontologie['complements']));
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foreach ($complements as $complement) {
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list($cle, $val) = explode('=', trim($complement));
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$ontologie[trim($cle)] = trim($val);
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}
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}
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return $ontologie;
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}
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private function chargerLegende() {
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foreach ($this->ontologies as $ontologie) {
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if ($ontologie['classe_id'] == self::PRESENCE_CHOROLOGIE) {
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$this->legende[$ontologie['code']] = $ontologie['legende'];
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}
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}
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}
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private function chargerPrioritesLegende() {
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foreach ($this->ontologies as $ontologie) {
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if ($ontologie['classe_id'] == self::PRESENCE_CHOROLOGIE && isset($ontologie['priorite'])) {
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$this->priorites[$ontologie['code']] = $ontologie['priorite'];
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}
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}
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}
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private function chargerDonnees() {
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$conditions = $this->getConditions();
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$requete = 'SELECT * '.
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"FROM {$this->tableChorodep} ".
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(isset($conditions) ? 'WHERE '.implode(' AND ', $conditions) : '');
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$resultat = $this->Bdd->recupererTous($requete);
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$this->donnees = $resultat;
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}
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private function getConditions() {
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$conditions = null;
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if ($nnListe = $this->getListeNumNom()) {
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$conditions[] = "num_nom IN ($nnListe) ";
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}
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if ($ntListe = $this->getListeNumTax()) {
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$conditions[] = "num_tax IN ($ntListe) ";
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}
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return $conditions;
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}
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private function getListeNumNom() {
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$nnListe = null;
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$refTax = self::CODE_REFTAX_DEFAUT;
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if (isset($this->taxonsDemandes[$refTax])) {
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$nnProteges = array();
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if (isset($this->taxonsDemandes[$refTax]['nn'])) {
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foreach ($this->taxonsDemandes[$refTax]['nn'] as $nn) {
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$nnProteges[] = $this->Bdd->proteger($nn);
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}
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$nnListe = implode(',', $nnProteges);
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}
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}
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return $nnListe;
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}
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private function getListeNumTax() {
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$ntListe = null;
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$refTax = self::CODE_REFTAX_DEFAUT;
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if (isset($this->taxonsDemandes[$refTax])) {
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$ntProteges = array();
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if (isset($this->taxonsDemandes[$refTax]['nt'])) {
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foreach ($this->taxonsDemandes[$refTax]['nt'] as $nt) {
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$ntProteges[] = $this->Bdd->proteger($nt);
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}
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$ntListe = implode(',', $ntProteges);
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}
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}
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return $ntListe;
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}
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private function genererSVG() {
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$dom = new DOMDocument('1.0', 'UTF-8');
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$dom->validateOnParse = true;
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$fichierCarteSvg = $this->cheminCartesBase.self::CARTE_DEFAUT.'.svg';
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$dom->load($fichierCarteSvg);
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$racineElement = $dom->documentElement;
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$racineElement->setAttribute('width', $this->imgLargeur);
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jpm |
314 |
if ($this->imgHauteur != 0) {
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315 |
$racineElement->setAttribute('height', $this->imgHauteur);
|
|
|
316 |
}
|
255 |
jpm |
317 |
|
|
|
318 |
$css = $this->creerCssCarte();
|
|
|
319 |
$styleElement = $dom->getElementsByTagName('style')->item(0);
|
|
|
320 |
$css = $styleElement->nodeValue.$css;
|
|
|
321 |
$txtCss = $dom->createCDATASection($css);
|
|
|
322 |
$styleElement->nodeValue = '';
|
|
|
323 |
$styleElement->appendChild($txtCss);
|
|
|
324 |
|
|
|
325 |
$titre = $this->creerTitre();
|
|
|
326 |
$titreCdata = $dom->createCDATASection($titre);
|
|
|
327 |
$titreElement = $dom->getElementsByTagName('title')->item(0);
|
|
|
328 |
$titreElement->nodeValue = '';
|
|
|
329 |
$titreElement->appendChild($titreCdata);
|
|
|
330 |
|
|
|
331 |
$taxonTitre = $this->creerTitreTaxon();
|
|
|
332 |
$taxonCdata = $dom->createCDATASection($taxonTitre);
|
|
|
333 |
$xpath = new DOMXPath($dom);
|
|
|
334 |
$taxonTitreEl = $xpath->query("//*[@id='titre-taxon']")->item(0);
|
|
|
335 |
$taxonTitreEl->nodeValue = '';
|
|
|
336 |
$taxonTitreEl->setAttribute('title', $taxonTitre);
|
|
|
337 |
$taxonTitreEl->appendChild($taxonCdata);
|
|
|
338 |
|
|
|
339 |
$svg = $dom->saveXML();
|
|
|
340 |
return $svg;
|
|
|
341 |
}
|
|
|
342 |
|
|
|
343 |
private function creerCssCarte() {
|
|
|
344 |
$css = '';
|
|
|
345 |
$this->getZonesPriorites();
|
|
|
346 |
$zonesCouleurs = $this->getZonesCouleurs();
|
|
|
347 |
foreach ($zonesCouleurs as $couleur => $zonesClasses) {
|
|
|
348 |
$classes = implode(', ', $zonesClasses);
|
|
|
349 |
$css .= "$classes{\nfill:$couleur;\n}\n";
|
|
|
350 |
}
|
|
|
351 |
return $css;
|
|
|
352 |
}
|
|
|
353 |
|
|
|
354 |
private function getZonesPriorites() {
|
|
|
355 |
$this->zones = array();
|
|
|
356 |
$zonesPrioritaires = array();
|
|
|
357 |
foreach ($this->donnees as $donnee) {
|
|
|
358 |
foreach ($donnee as $zoneId => $codeLegende) {
|
|
|
359 |
if (preg_match('/^[0-9][0-9ab]$/i', $zoneId)) {
|
|
|
360 |
if (array_key_exists($codeLegende, $this->priorites)) {
|
|
|
361 |
$priorite = $this->priorites[$codeLegende];
|
|
|
362 |
if (array_key_exists($zoneId, $zonesPrioritaires) == false) {
|
|
|
363 |
$zonesPrioritaires[$zoneId] = 0;
|
|
|
364 |
}
|
|
|
365 |
if ($priorite > $zonesPrioritaires[$zoneId]) {
|
|
|
366 |
$zonesPrioritaires[$zoneId] = $priorite;
|
|
|
367 |
$this->zones[$zoneId] = $codeLegende;
|
|
|
368 |
}
|
|
|
369 |
}
|
|
|
370 |
}
|
|
|
371 |
}
|
|
|
372 |
}
|
|
|
373 |
}
|
|
|
374 |
|
|
|
375 |
private function getZonesCouleurs() {
|
|
|
376 |
$zones = array();
|
260 |
jpm |
377 |
ksort($this->zones);
|
255 |
jpm |
378 |
foreach ($this->zones as $zoneId => $codeLegende) {
|
|
|
379 |
if (array_key_exists($codeLegende, $this->legende)) {
|
|
|
380 |
$couleur = $this->legende[$codeLegende];
|
260 |
jpm |
381 |
$zones[$couleur][] = strtolower('.departement'.sprintf('%02s', $zoneId));
|
255 |
jpm |
382 |
}
|
|
|
383 |
}
|
|
|
384 |
return $zones;
|
|
|
385 |
}
|
|
|
386 |
|
|
|
387 |
private function creerTitre() {
|
355 |
delphine |
388 |
$titre = "Carte en cours d'élaboration";
|
|
|
389 |
if ($this->donnees != array()) {
|
|
|
390 |
$titre .= ' pour '.$this->creerTitreTaxon();
|
|
|
391 |
}
|
255 |
jpm |
392 |
return $titre;
|
|
|
393 |
}
|
|
|
394 |
|
|
|
395 |
private function creerTitreTaxon() {
|
355 |
delphine |
396 |
$titre = '';
|
255 |
jpm |
397 |
$noms = array();
|
|
|
398 |
foreach ($this->donnees as $donnee) {
|
|
|
399 |
$noms[] = $donnee['nom_sci'];
|
|
|
400 |
}
|
|
|
401 |
$titre = implode(', ', $noms);
|
|
|
402 |
return $titre;
|
|
|
403 |
}
|
|
|
404 |
|
|
|
405 |
private function convertirEnPNG($svg) {
|
|
|
406 |
$png = null;
|
268 |
jpm |
407 |
if (isset($this->convertisseur)) {
|
|
|
408 |
if ($this->convertisseur == 'imagick') {
|
|
|
409 |
if (extension_loaded('imagick')) {
|
|
|
410 |
$png = $this->convertirEnPNGAvecImageMagick($svg);
|
|
|
411 |
} else {
|
677 |
isa |
412 |
$message = "Impossible de générer l'image sur le serveur. Extension ImageMagick abscente.";
|
268 |
jpm |
413 |
$code = RestServeur::HTTP_CODE_ERREUR;
|
|
|
414 |
throw new Exception($message, $code);
|
|
|
415 |
}
|
|
|
416 |
} else if ($this->convertisseur == 'rsvg') {
|
807 |
raphael |
417 |
$png = Commun::convertirEnPNGAvecRsvg($this->getIdFichier(), $this->config['cache_stockageChemin'], $svg);
|
268 |
jpm |
418 |
} else {
|
|
|
419 |
$message = "Le convertisseur indiqué '{$this->convertisseur}' ne fait pas parti de la liste ".
|
|
|
420 |
"des convertisseurs disponibles : imagick, rsvg.";
|
|
|
421 |
$code = RestServeur::HTTP_CODE_ERREUR;
|
|
|
422 |
throw new Exception($message, $code);
|
|
|
423 |
}
|
255 |
jpm |
424 |
} else {
|
268 |
jpm |
425 |
$message = "Veuillez indiquer le convertisseur de svg à utiliser pour le service.";
|
255 |
jpm |
426 |
$code = RestServeur::HTTP_CODE_ERREUR;
|
|
|
427 |
throw new Exception($message, $code);
|
|
|
428 |
}
|
268 |
jpm |
429 |
return $png;
|
255 |
jpm |
430 |
}
|
|
|
431 |
|
|
|
432 |
private function convertirEnPNGAvecImageMagick($svg) {
|
|
|
433 |
$convertisseur = new Imagick();
|
268 |
jpm |
434 |
$convertisseur->setBackgroundColor(new ImagickPixel('transparent'));
|
255 |
jpm |
435 |
$convertisseur->readImageBlob($svg);
|
268 |
jpm |
436 |
$convertisseur->setImageFormat('png32');
|
|
|
437 |
$convertisseur->resizeImage($this->imgLargeur, $this->imgHauteur, imagick::FILTER_LANCZOS, 0, true);
|
255 |
jpm |
438 |
$png = $convertisseur->getImageBlob();
|
|
|
439 |
$convertisseur->clear();
|
|
|
440 |
$convertisseur->destroy();
|
|
|
441 |
return $png;
|
|
|
442 |
}
|
|
|
443 |
|
273 |
jpm |
444 |
private function getIdFichier() {
|
|
|
445 |
$id = '';
|
|
|
446 |
foreach ($this->taxonsDemandes as $reftax => $ids) {
|
|
|
447 |
$id[] = $reftax;
|
|
|
448 |
foreach ($ids as $type => $vals) {
|
|
|
449 |
$id[] = $type;
|
|
|
450 |
$id[] = implode('-', $vals);
|
|
|
451 |
}
|
|
|
452 |
}
|
|
|
453 |
$id = implode('-', $id);
|
|
|
454 |
return $id;
|
|
|
455 |
}
|
|
|
456 |
|
255 |
jpm |
457 |
public function getParametreTableau($cle) {
|
|
|
458 |
$tableau = array();
|
|
|
459 |
$parametre = $this->config[$cle];
|
|
|
460 |
if (empty($parametre) === false) {
|
|
|
461 |
$tableauPartiel = explode(',', $parametre);
|
|
|
462 |
$tableauPartiel = array_map('trim', $tableauPartiel);
|
|
|
463 |
foreach ($tableauPartiel as $champ) {
|
|
|
464 |
if (strpos($champ, '=') === false) {
|
|
|
465 |
$tableau[] = trim($champ);
|
|
|
466 |
} else {
|
|
|
467 |
list($cle, $val) = explode('=', $champ);
|
|
|
468 |
$tableau[trim($cle)] = trim($val);
|
|
|
469 |
}
|
|
|
470 |
}
|
|
|
471 |
}
|
|
|
472 |
return $tableau;
|
|
|
473 |
}
|
|
|
474 |
}
|
|
|
475 |
?>
|