bebeboutik/modules/categoryfamily/categoryfamily.php

<?php
require_once dirname(__FILE__).'/models/CategoryFamily.php';

class CategoryFamily extends Module {

	public function __construct() {
		$this->name = 'categoryfamily';
		$this->tab = 'administration';
		$this->author = 'Antadis';
		$this->version = '1.0';
		parent::__construct();

		$this->displayName = $this->l('Category Family');
		$this->description = $this->l('Associate Family to Category');
	}

	public function install() {
		if(!parent::install() OR
				!$this->registerHook('categoryAddition') OR
				!$this->registerHook('categoryDeletion') OR
				 !$this->registerHook('categoryUpdate')) {
			return FALSE;
		}

		return TRUE;
	}

	public function hookcategoryAddition($params) {
		self::setAssociations($params['category'], Tools::getValue('family'));
	}

	public function hookcategoryDeletion($params) {
		CategoryFamilyCore::deleteAssociations($params['category']->id);
	}

	public function hookcategoryUpdate($params) {
		self::setAssociations($params['category'], Tools::getValue('family'));
	}

	public static function setAssociations($category, $family) {
		if (!Validate::isLoadedObject($category)) {
			return FALSE;
		}

		$family = Tools::getValue('family');
		if (!empty($family)) {
			CategoryFamilyCore::addAssociations($category->id, $family);
		}
	}

}