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diff --git a/application/city/main/manager/city_entities/districts/class_CityDistrictsManager.php b/application/city/main/manager/city_entities/districts/class_CityDistrictsManager.php
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+++ b/application/city/main/manager/city_entities/districts/class_CityDistrictsManager.php
@@ -0,0 +1,101 @@
+<?php
+/**
+ * A city districts manager
+ *
+ * @author		Roland Haeder <webmaster@ship-simu.org>
+ * @version		0.0.0
+ * @copyright	Copyright (c) 2015 City Developer Team
+ * @license		GNU GPL 3.0 or any newer version
+ * @link		http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+class CityDistrictsManager extends BaseFrameworkSystem implements ManageableCityDistricts, Registerable {
+	/**
+	 * Protected constructor
+	 *
+	 * @return	void
+	 */
+	protected function __construct () {
+		// Call parent constructor
+		parent::__construct(__CLASS__);
+	}
+
+	/**
+	 * Creates an instance of this class
+	 *
+	 * @return	$managerInstance	An instance of a ManageableCityDistricts class
+	 */
+	public final static function createCityDistrictsManager () {
+		// Get new instance
+		$managerInstance = new CityDistrictsManager();
+
+		// Get database wrapper
+		$wrapperInstance = DatabaseWrapperFactory::createWrapperByConfiguredName('city_districts_db_wrapper_class');
+
+		// And set it here
+		$managerInstance->setWrapperInstance($wrapperInstance);
+
+		// Return the prepared instance
+		return $managerInstance;
+	}
+
+	/**
+	 * Checks whether at least one map requires expansion
+	 *
+	 * @return	$requiresExpansion	Whether a map requires expansion
+	 * @todo	0% done
+	 */
+	public function isMapPendingExpansion () {
+		// Default is no expansion is needed
+		$requireExpansion = FALSE;
+
+		// First, a simple check if the districts table contains any entries at all
+		if ($this->getWrapperInstance()->countTotalRows() == 0) {
+			// This definedly requires expansion
+			$requireExpansion = TRUE;
+		} // END - if
+
+		// Return status
+		return $requireExpansion;
+	}
+
+	/**
+	 * Expands any map that requires expansion
+	 *
+	 * @return	void
+	 * @todo 0% done
+	 */
+	public function expandMaps () {
+		// Get a city info wrapper instance
+		$cityWrapperInstance = DatabaseWrapperFactory::createWrapperByConfiguredName('city_info_db_wrapper_class');
+
+		// Get all city ids from it
+		$cityIds = $cityWrapperInstance->getAllCityIds();
+
+		// Now check all ids
+		foreach ($cityIds as $cityId) {
+			// Does this id have any districts
+			if (!$this->getWrapperInstance()->ifCityHasDistricts($cityId)) {
+				// Nothing found, so it is a brand-new city that needs first initialization
+				$districts = $this->getWrapperInstance()->doInitialCityExpansion($cityId);
+			} else {
+				// @TODO Maybe some expansion is needed
+			}
+		} // END - foreach
+	}
+}
+
+// [EOF]
+?>