Add GenericObject plugin files and assets

- Introduced default icon images in PNG and SVG formats.
- Added example icons for car and cube in SVG format.
- Created setup file for the GenericObject plugin with versioning and directory definitions.
- Included a header file with licensing information for the plugin.
- Added a remove.txt file with instructions for safe deletion.

plugins/genericobject/inc/object_item.class.php

@@ -0,0 +1,128 @@
+<?php
+
+/**
+ * -------------------------------------------------------------------------
+ * GenericObject plugin for GLPI
+ * -------------------------------------------------------------------------
+ *
+ * LICENSE
+ *
+ * This file is part of GenericObject.
+ *
+ * GenericObject 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.
+ *
+ * GenericObject 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 GenericObject. If not, see <http://www.gnu.org/licenses/>.
+ * -------------------------------------------------------------------------
+ * @copyright Copyright (C) 2009-2022 by GenericObject plugin team.
+ * @license   GPLv3 https://www.gnu.org/licenses/gpl-3.0.html
+ * @link      https://github.com/pluginsGLPI/genericobject
+ * -------------------------------------------------------------------------
+ */
+
+class PluginGenericobjectObject_Item extends CommonDBChild {
+
+   public $dohistory = true;
+
+   // From CommonDBRelation
+   static public $itemtype_1 = "PluginGenericobjectObject";
+   static public $items_id_1 = 'plugin_genericobject_objects_id';
+
+   static public $itemtype_2 = 'itemtype';
+   static public $items_id_2 = 'items_id';
+
+   //Get itemtype name
+   static function getTypeName($nb = 0) {
+      global $LANG;
+      $class    = get_called_class();
+      //Datainjection : Don't understand why I need this trick : need to be investigated !
+      if (preg_match("/Injection$/i", $class)) {
+         $class = str_replace("Injection", "", $class);
+      }
+      $item     = new $class();
+      //Itemtype name can be contained in a specific locale field : try to load it
+      PluginGenericobjectType::includeLocales($item->objecttype->fields['name']);
+      if (isset($LANG['genericobject'][$class][0])) {
+         return $LANG['genericobject'][$class][0];
+      } else {
+         return $item->objecttype->fields['name'];
+      }
+   }
+
+   static function canView() {
+      return Session::haveRight(self::$itemtype_1, READ);
+   }
+
+   static function canCreate() {
+      return Session::haveRight(self::$itemtype_1, CREATE);
+   }
+
+   /**
+    *
+    * Enter description here ...
+    * @since 2.2.0
+    * @param CommonDBTM $item
+    */
+   static function showItemsForSource(CommonDBTM $item) {
+
+   }
+
+   /**
+    *
+    * Enter description here ...
+    * @since 2.2.0
+    * @param CommonDBTM $item
+    */
+   static function showItemsForTarget(CommonDBTM $item) {
+
+   }
+
+   /**
+    *
+    * Enter description here ...
+    * @since 2.2.0
+    */
+   static function registerType() {
+      Plugin::registerClass(get_called_class(), ['addtabon' => self::getLinkedItemTypes()]);
+   }
+
+   static function getLinkedItemTypes() {
+      $source_itemtype = self::getItemType1();
+      $source_item = new $source_itemtype;
+      return $source_item->getLinkedItemTypesAsArray();
+   }
+
+   static function getItemType1() {
+      $classname   = get_called_class();
+      return $classname::$itemtype_1;
+   }
+
+   function getTabNameForItem(CommonGLPI $item, $withtemplate = 0) {
+      if (!$withtemplate) {
+         $itemtypes = self::getLinkedItemTypes();
+         if (in_array(get_class($item), $itemtypes) || get_class($item) == self::getItemType1()) {
+            return [1 => __("Objects management", "genericobject")];
+         }
+      }
+      return '';
+   }
+
+   static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0) {
+      $itemtypes = self::getLinkedItemTypes();
+      if (get_class($item) == self::getItemType1()) {
+         self::showItemsForSource($item);
+      } else if (in_array(get_class($item), $itemtypes)) {
+         self::showItemsForTarget($item);
+      }
+      return true;
+   }
+
+}