Refactored Dolibarr triggers:

Created a DolibarrTriggers abstract class.
Moved common variables out of construct class
Improved run_trigger method signature

htdocs/core/triggers/DolibarrTriggers.class.php

@@ -0,0 +1,132 @@
+<?php
+
+/*
+ * Copyright (C) 2014 Marcos García         <marcosgdf@gmail.com>
+ *
+ * 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/>.
+ */
+
+abstract class DolibarrTriggers {
+
+	/**
+	 * Database handler
+	 * @var DoliDB
+	 */
+	protected $db;
+
+	/**
+	 * Name of the trigger
+	 * @var mixed|string
+	 */
+	public $name = '';
+
+	/**
+	 * Description of the trigger
+	 * @var string
+	 */
+	public $description = '';
+
+	/**
+	 * Version of the trigger
+	 * @var string
+	 */
+	public $version = self::VERSION_DEVELOPMENT;
+
+	/**
+	 * Image of the trigger
+	 * @var string
+	 */
+	public $picto = 'technic';
+
+	/**
+	 * Category of the trigger
+	 * @var string
+	 */
+	public $family = '';
+
+	const VERSION_DEVELOPMENT = 'development';
+	const VERSION_EXPERIMENTAL = 'experimental';
+	const VERSION_DOLIBARR = 'dolibarr';
+
+	/**
+	 * Constructor
+	 *
+	 * @param DoliDB $db Database handler
+	 */
+	public function __construct(DoliDB $db) {
+
+		$this->db = $db;
+
+		if (!isset($this->name)) {
+			$this->name = preg_replace('/^Interface/i', '', get_class($this));
+		}
+	}
+
+	/**
+	 * Returns the name of the trigger file
+	 *
+	 * @return string
+	 */
+	public function getName()
+	{
+		return $this->name;
+	}
+
+	/**
+	 * Returns the description of trigger file
+	 *
+	 * @return string
+	 */
+	public function getDesc()
+	{
+		return $this->description;
+	}
+
+	/**
+	 * Returns the version of the trigger file
+	 *
+	 * @return string Version of trigger file
+	 */
+	public function getVersion()
+	{
+		global $langs;
+		$langs->load("admin");
+
+		if ($this->version == self::VERSION_DEVELOPMENT) {
+			return $langs->trans("Development");
+		} elseif ($this->version == self::VERSION_EXPERIMENTAL) {
+			return $langs->trans("Experimental");
+		} elseif ($this->version == self::VERSION_DOLIBARR) {
+			return DOL_VERSION;
+		} elseif ($this->version) {
+			return $this->version;
+		} else {
+			return $langs->trans("Unknown");
+		}
+	}
+
+	/**
+	 * Function called when a Dolibarrr business event is done.
+	 * All functions "run_trigger" are triggered if file is inside directory htdocs/core/triggers
+	 *
+	 * @param string		$action		Event action code
+	 * @param Object		$object     Object
+	 * @param User		    $user       Object user
+	 * @param Translate 	$langs      Object langs
+	 * @param conf		    $conf       Object conf
+	 * @return int         			<0 if KO, 0 if no triggered ran, >0 if OK
+	 */
+	abstract function run_trigger($action, $object, User $user, Translate $langs, Conf $conf);
+
+}