/classes/controller/AdminController.php

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<?php
/*
* 2007-2013 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2013 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class AdminControllerCore extends Controller
{
	public $path;
	public static $currentIndex;
	public $content;
	public $warnings = array();
	public $informations = array();
	public $confirmations = array();
	public $shopShareDatas = false;
	
	public $_languages = array();
	public $default_form_language;
	public $allow_employee_form_lang;

	public $layout = 'layout.tpl';

	protected $meta_title;

	public $template = 'content.tpl';

	/** @var string Associated table name */
	public $table;

	/** @var string Object identifier inside the associated table */
	protected $identifier = false;

	/** @var string Tab name */
	public $className;

	/** @var array tabAccess */
	public $tabAccess;

	/** @var integer Tab id */
	public $id = -1;

	public $required_database = false;

	/** @var string Security token */
	public $token;

	/** @var string shop | group_shop */
	public $shopLinkType;

	/** @var string Default ORDER BY clause when $_orderBy is not defined */
	protected $_defaultOrderBy = false;
	protected $_defaultOrderWay = 'ASC';

	public $tpl_form_vars = array();
	public $tpl_list_vars = array();
	public $tpl_delete_link_vars = array();
	public $tpl_option_vars = array();
	public $tpl_view_vars = array();
	public $tpl_required_fields_vars = array();

	public $base_tpl_view = null;
	public $base_tpl_form = null;

	/** @var bool if you want more fieldsets in the form */
	public $multiple_fieldsets = false;

	public $fields_value = false;

	/** @var array Errors displayed after post processing */
	public $errors = array();

	/** @var define if the header of the list contains filter and sorting links or not */
	protected $list_simple_header;

	/** @var array list to be generated */
	protected $fields_list;
	
	/** @var array modules list filters */
	protected $filter_modules_list = null;
	
	/** @var array modules list filters */
	protected $modules_list = array();
	
	/** @var array edit form to be generated */
	protected $fields_form;

	/** @var override of $fields_form */
	protected $fields_form_override;

	/** @var array list of option forms to be generated */
	protected $fields_options;

	protected $shopLink;

	/** @var string SQL query */
	protected $_listsql = '';

	/** @var array Cache for query results */
	protected $_list = array();

	/** @var define if the header of the list contains filter and sorting links or not */
	protected $toolbar_title;

	/** @var array list of toolbar buttons */
	protected $toolbar_btn = null;

	/** @var boolean scrolling toolbar */
	protected $toolbar_scroll = true;

	/** @var boolean set to false to hide toolbar and page title */
	protected $show_toolbar = true;

	/** @var boolean set to true to show toolbar and page title for options */
	protected $show_toolbar_options = false;

	/** @var integer Number of results in list */
	protected $_listTotal = 0;

	/** @var boolean Automatically join language table if true */
	public $lang = false;

	/** @var array WHERE clause determined by filter fields */
	protected $_filter;

	/** @var array Temporary SQL table WHERE clause determinated by filter fields */
	protected $_tmpTableFilter = '';

	/** @var array Number of results in list per page (used in select field) */
	protected $_pagination = array(20, 50, 100, 300);

	/** @var string ORDER BY clause determined by field/arrows in list header */
	protected $_orderBy;

	/** @var string Order way (ASC, DESC) determined by arrows in list header */
	protected $_orderWay;

	/** @var array list of available actions for each list row - default actions are view, edit, delete, duplicate */
	protected $actions_available = array('view', 'edit', 'delete', 'duplicate');

	/** @var array list of required actions for each list row */
	protected $actions = array();

	/** @var array list of row ids associated with a given action for witch this action have to not be available */
	protected $list_skip_actions = array();

	/* @var boolean don't show header & footer */
	protected $lite_display = false;
	/** @var bool boolean List content lines are clickable if true */
	protected $list_no_link = false;

	protected $allow_export = false;

	/** @var array $cache_lang cache for traduction */
	public static $cache_lang = array();

	/** @var array required_fields to display in the Required Fields form */
	public $required_fields = array();
	
	/** @var Helper */
	protected $helper;

	/**
	 * @var array actions to execute on multiple selections
	 * Usage:
	 * array(
	 * 		'actionName' => array(
	 * 			'text' => $this->l('Message displayed on the submit button (mandatory)'),
	 * 			'confirm' => $this->l('If set, this confirmation message will pop-up (optional)')),
	 * 		'anotherAction' => array(...)
	 * );
	 *
	 * If your action is named 'actionName', you need to have a method named bulkactionName() that will be executed when the button is clicked.
	 */
	protected $bulk_actions;

	/**
	 * @var array ids of the rows selected
	 */
	protected $boxes;
	
	/** @var string Do not automatically select * anymore but select only what is necessary */
	protected $explicitSelect = false;

	/** @var string Add fields into data query to display list */
	protected $_select;

	/** @var string Join tables into data query to display list */
	protected $_join;

	/** @var string Add conditions into data query to display list */
	protected $_where;

	/** @var string Group rows into data query to display list */
	protected $_group;

	/** @var string Having rows into data query to display list */
	protected $_having;

	protected $is_cms = false;

	/** @var string	identifier to use for changing positions in lists (can be omitted if positions cannot be changed) */
	protected $position_identifier;

	/** @var boolean Table records are not deleted but marked as deleted if set to true */
	protected $deleted = false;
	/**
	 * @var bool is a list filter set
	 */
	protected $filter;
	protected $noLink;
	protected $specificConfirmDelete = null;
	protected $colorOnBackground;
	/** @var bool If true, activates color on hover */
	protected $row_hover = true;
	/** @string Action to perform : 'edit', 'view', 'add', ... */
	protected $action;
	protected $display;
	protected $_includeContainer = true;
	protected $tab_modules_list = array('default_list' => array(), 'slider_list' => array());

	public $tpl_folder;

	protected $bo_theme;

	/** @var bool Redirect or not ater a creation */
	protected $_redirect = true;

	/** @var array Name and directory where class image are located */
	public $fieldImageSettings = array();

	/** @var string Image type */
	public $imageType = 'jpg';

	/** @var instanciation of the class associated with the AdminController */
	protected $object;

	/** @var current object ID */
	protected $id_object;

	/**
	 * @var current controller name without suffix
	 */
	public $controller_name;

	public $multishop_context = -1;
	public $multishop_context_group = true;

	/**
	 * Current breadcrumb position as an array of tab names
	 */
	protected $breadcrumbs;

	public function __construct()
	{
		global $timer_start;
		$this->timer_start = $timer_start;
		// Has to be remove for the next Prestashop version
		global $token;

		$this->controller_type = 'admin';
		$this->controller_name = get_class($this);
		if (strpos($this->controller_name, 'Controller'))
			$this->controller_name = substr($this->controller_name, 0, -10);
		parent::__construct();

		if ($this->multishop_context == -1)
			$this->multishop_context = Shop::CONTEXT_ALL | Shop::CONTEXT_GROUP | Shop::CONTEXT_SHOP;

		$this->bo_theme = ((Validate::isLoadedObject($this->context->employee) && $this->context->employee->bo_theme) ? $this->context->employee->bo_theme : 'default');
		if (!file_exists(_PS_BO_ALL_THEMES_DIR_.$this->bo_theme.DIRECTORY_SEPARATOR.'template'))
			$this->bo_theme = 'default';
		
		$this->context->smarty->setTemplateDir(array(
			_PS_BO_ALL_THEMES_DIR_.$this->bo_theme.DIRECTORY_SEPARATOR.'template',
			_PS_OVERRIDE_DIR_.'controllers'.DIRECTORY_SEPARATOR.'admin'.DIRECTORY_SEPARATOR.'templates'
		));

		$this->id = Tab::getIdFromClassName($this->controller_name);
		$this->token = Tools::getAdminToken($this->controller_name.(int)$this->id.(int)$this->context->employee->id);

		$token = $this->token;

		$this->_conf = array(
			1 => $this->l('Deletion successful'), 2 => $this->l('The selection has been successfully deleted.'),
			3 => $this->l('Creation successful'), 4 => $this->l('Update successful'),
			5 => $this->l('The status has been updated successfully.'), 6 => $this->l('The settings have been updated successfully.'),
			7 => $this->l('The image was successfully deleted.'), 8 => $this->l('The module was downloaded successfully.'),
			9 => $this->l('The thumbnails were successfully regenerated.'), 10 => $this->l('Message sent to the customer.'),
			11 => $this->l('Comment added'), 12 => $this->l('Module(s) installed successfully.'),
			13 => $this->l('Module(s) uninstalled successfully.'), 14 => $this->l('The translation was successfully copied.'),
			15 => $this->l('The translations have been successfully added.'), 16 => $this->l('The module transplanted successfully to the hook.'),
			17 => $this->l('The module was successfully removed from the hook.'), 18 => $this->l('Upload successful'),
			19 => $this->l('Duplication was completed successfully.'), 20 => $this->l('The translation was added successfully, but the language has not been created.'),
			21 => $this->l('Module reset successfully.'), 22 => $this->l('Module deleted successfully.'),
			23 => $this->l('Localization pack imported successfully.'), 24 => $this->l('Localization pack imported successfully.'),
			25 => $this->l('The selcted images have successfully been moved.'),
			26 => $this->l('Your cover selection has been saved.'),
			27 => $this->l('The image shop association has been modified.'),
			28 => $this->l('A zone has been assigned to the selection successfully.'),
			29 => $this->l('Upgrade successful'),
			30 => $this->l('A partial refund was successfully created.'),
			31 => $this->l('The discount was successfully generated.')
		);

		if (!$this->identifier) $this->identifier = 'id_'.$this->table;
		if (!$this->_defaultOrderBy) $this->_defaultOrderBy = $this->identifier;
		$this->tabAccess = Profile::getProfileAccess($this->context->employee->id_profile, $this->id);

		// Fix for AdminHome
		if ($this->controller_name == 'AdminHome')
			$_POST['token'] = $this->token;

		if (!Shop::isFeatureActive())
			$this->shopLinkType = '';

		//$this->base_template_folder = _PS_BO_ALL_THEMES_DIR_.$this->bo_theme.'/template';
		$this->override_folder = Tools::toUnderscoreCase(substr($this->controller_name, 5)).'/';
		// Get the name of the folder containing the custom tpl files
		$this->tpl_folder = Tools::toUnderscoreCase(substr($this->controller_name, 5)).'/';

		$this->initShopContext();

		$this->context->currency = new Currency(Configuration::get('PS_CURRENCY_DEFAULT'));
	}

	/**
	 * Set breadcrumbs array for the controller page
	 */
	public function initBreadcrumbs()
	{
		$tabs = array();
		$tabs = Tab::recursiveTab($this->id, $tabs);
		$tabs = array_reverse($tabs);
		foreach ($tabs as $tab)
			$this->breadcrumbs[] = $tab['name'];
	}

	/**
	 * set default toolbar_title to admin breadcrumb
	 *
	 * @return void
	 */
	public function initToolbarTitle()
	{
		$bread_extended = array_unique($this->breadcrumbs);

		switch ($this->display)
		{
			case 'edit':
				$bread_extended[] = $this->l('Edit');
				break;

			case 'add':
				$bread_extended[] = $this->l('Add new');
				break;

			case 'view':
				$bread_extended[] = $this->l('View');
				break;
		}
		$this->toolbar_title = $bread_extended;
	}

	/**
	 * Check rights to view the current tab
	 *
	 * @param bool $disable
	 * @return boolean
	 */
	public function viewAccess($disable = false)
	{
		if ($disable)
			return true;

		if ($this->tabAccess['view'] === '1')
			return true;
		return false;
	}

	/**
	 * Check for security token
	 */
	public function checkToken()
	{
		$token = Tools::getValue('token');
		return (!empty($token) && $token === $this->token);
	}

	public function ajaxProcessHelpAccess()
	{
		$this->json = true;
		$item = Tools::getValue('item');
		$iso_user = Tools::getValue('isoUser');
		$country = Tools::getValue('country');
		$version = Tools::getValue('version');

		if (isset($item) && isset($iso_user) && isset($country))
        {
            $helper = new HelperHelpAccess($item, $iso_user, $country, $version);
            $this->content = $helper->generate();
        }
		else
			$this->content = 'none';
		$this->display = 'content';
	}

	/**
	 * Set the filters used for the list display
	 */
	public function processFilter()
	{
		$prefix = str_replace(array('admin', 'controller'), '', Tools::strtolower(get_class($this)));
		// Filter memorization
		if (isset($_POST) && !empty($_POST) && isset($this->table))
			foreach ($_POST as $key => $value)
			{
				if (stripos($key, $this->table.'Filter_') === 0)
					$this->context->cookie->{$prefix.$key} = !is_array($value) ? $value : serialize($value);
				elseif(stripos($key, 'submitFilter') === 0)
					$this->context->cookie->$key = !is_array($value) ? $value : serialize($value);
			}

		if (isset($_GET) && !empty($_GET) && isset($this->table))
			foreach ($_GET as $key => $value)
				if (stripos($key, $this->table.'OrderBy') === 0 || stripos($key, $this->table.'Orderway') === 0)
					$this->context->cookie->{$prefix.$key} = $value;

		$filters = $this->context->cookie->getFamily($prefix.$this->table.'Filter_');
		foreach ($filters as $key => $value)
		{
			/* Extracting filters from $_POST on key filter_ */
			if ($value != null && !strncmp($key, $prefix.$this->table.'Filter_', 7 + Tools::strlen($prefix.$this->table)))
			{
				$key = Tools::substr($key, 7 + Tools::strlen($prefix.$this->table));
				/* Table alias could be specified using a ! eg. alias!field */
				$tmp_tab = explode('!', $key);
				$filter = count($tmp_tab) > 1 ? $tmp_tab[1] : $tmp_tab[0];

				if ($field = $this->filterToField($key, $filter))
				{
					$type = (array_key_exists('filter_type', $field) ? $field['filter_type'] : (array_key_exists('type', $field) ? $field['type'] : false));					if (($type == 'date' || $type == 'datetime') && is_string($value))
						$value = Tools::unSerialize($value);
					$key = isset($tmp_tab[1]) ? $tmp_tab[0].'.`'.$tmp_tab[1].'`' : '`'.$tmp_tab[0].'`';

					// Assignement by reference
					if (array_key_exists('tmpTableFilter', $field))
						$sql_filter = & $this->_tmpTableFilter;
					elseif (array_key_exists('havingFilter', $field))
						$sql_filter = & $this->_filterHaving;
					else
						$sql_filter = & $this->_filter;

					/* Only for date filtering (from, to) */
					if (is_array($value))
					{
						if (isset($value[0]) && !empty($value[0]))
						{
							if (!Validate::isDate($value[0]))
								$this->errors[] = Tools::displayError('The \'From\' date format is invalid (YYYY-MM-DD)');
							else
								$sql_filter .= ' AND '.pSQL($key).' >= \''.pSQL(Tools::dateFrom($value[0])).'\'';
						}

						if (isset($value[1]) && !empty($value[1]))
						{
							if (!Validate::isDate($value[1]))
								$this->errors[] = Tools::displayError('The \'To\' date format is invalid (YYYY-MM-DD)');
							else
								$sql_filter .= ' AND '.pSQL($key).' <= \''.pSQL(Tools::dateTo($value[1])).'\'';
						}
					}
					else
					{
						$sql_filter .= ' AND ';
						$check_key = ($key == $this->identifier || $key == '`'.$this->identifier.'`');

						if ($type == 'int' || $type == 'bool')
							$sql_filter .= (($check_key || $key == '`active`') ? 'a.' : '').pSQL($key).' = '.(int)$value.' ';
						elseif ($type == 'decimal')
							$sql_filter .= ($check_key ? 'a.' : '').pSQL($key).' = '.(float)$value.' ';
						elseif ($type == 'select')
							$sql_filter .= ($check_key ? 'a.' : '').pSQL($key).' = \''.pSQL($value).'\' ';
						else
							$sql_filter .= ($check_key ? 'a.' : '').pSQL($key).' LIKE \'%'.pSQL($value).'%\' ';
					}
				}
			}
		}
	}

	/**
	 * @todo uses redirectAdmin only if !$this->ajax
	 */
	public function postProcess()
	{
		try {
			if ($this->ajax)
			{
				// from ajax-tab.php
				$action = Tools::getValue('action');
				// no need to use displayConf() here
				if (!empty($action) && method_exists($this, 'ajaxProcess'.Tools::toCamelCase($action)))
					return $this->{'ajaxProcess'.Tools::toCamelCase($action)}();
				elseif (method_exists($this, 'ajaxProcess'))
					return $this->ajaxProcess();
			}
			else
			{
				// Process list filtering
				if ($this->filter)
					$this->processFilter();

				// If the method named after the action exists, call "before" hooks, then call action method, then call "after" hooks
				if (!empty($this->action) && method_exists($this, 'process'.ucfirst(Tools::toCamelCase($this->action))))
				{
					// Hook before action
					Hook::exec('actionAdmin'.ucfirst($this->action).'Before', array('controller' => $this));
					Hook::exec('action'.get_class($this).ucfirst($this->action).'Before', array('controller' => $this));
					// Call process
					$return = $this->{'process'.Tools::toCamelCase($this->action)}();
					// Hook After Action
					Hook::exec('actionAdmin'.ucfirst($this->action).'After', array('controller' => $this, 'return' => $return));
					Hook::exec('action'.get_class($this).ucfirst($this->action).'After', array('controller' => $this, 'return' => $return));

					return $return;
				}
			}
		} catch (PrestaShopException $e) {
			$this->errors[] = $e->getMessage();
		};
		return false;
	}

	/**
	 * Object Delete images
	 */
	public function processDeleteImage()
	{
		if (Validate::isLoadedObject($object = $this->loadObject()))
		{
			if (($object->deleteImage()))
			{
				$redirect = self::$currentIndex.'&add'.$this->table.'&'.$this->identifier.'='.Tools::getValue($this->identifier).'&conf=7&token='.$this->token;
				if (!$this->ajax)
					$this->redirect_after = $redirect;
				else
					$this->content = 'ok';
			}
		}
		$this->errors[] = Tools::displayError('An error occurred while attempting to delet the image. (cannot load object).');
		return $object;
	}
	
	public function processExport()
	{
		// clean buffer
		if (ob_get_level() && ob_get_length() > 0)
			ob_clean();
		$this->getList($this->context->language->id);
		if (!count($this->_list))
			return;

		header('Content-type: text/csv');
		header('Content-Type: application/force-download; charset=UTF-8');
		header('Cache-Control: no-store, no-cache');
		header('Content-disposition: attachment; filename="'.$this->table.'_'.date('Y-m-d_His').'.csv"');

		$headers = array();
		foreach ($this->fields_list as $datas)
			$headers[] = Tools::htmlentitiesDecodeUTF8($datas['title']);
		$content = array();
		foreach ($this->_list as $i => $row)
		{
			$content[$i] = array();
			$path_to_image = false;
			foreach ($this->fields_list as $key => $params)
			{
				$field_value = isset($row[$key]) ? Tools::htmlentitiesDecodeUTF8($row[$key]) : '';
				if ($key == 'image')
				{
					if ($params['image'] != 'p' || Configuration::get('PS_LEGACY_IMAGES'))
						$path_to_image = Tools::getShopDomain(true)._PS_IMG_.$params['image'].'/'.$row['id_'.$this->table].(isset($row['id_image']) ? '-'.(int)$row['id_image'] : '').'.'.$this->imageType;
					else
						$path_to_image = Tools::getShopDomain(true)._PS_IMG_.$params['image'].'/'.Image::getImgFolderStatic($row['id_image']).(int)$row['id_image'].'.'.$this->imageType;
					if ($path_to_image)
						$field_value = $path_to_image;  
				}
				$content[$i][] = $field_value;
			}
		}

		$this->context->smarty->assign(array(
			'export_precontent' => "\xEF\xBB\xBF",
			'export_headers' => $headers,
			'export_content' => $content
			)
		);
			
		$this->layout = 'layout-export.tpl';
	}

	/**
	 * Object Delete
	 */
	public function processDelete()
	{
		if (Validate::isLoadedObject($object = $this->loadObject()))
		{
			$res = true;
			// check if request at least one object with noZeroObject
			if (isset($object->noZeroObject) && count(call_user_func(array($this->className, $object->noZeroObject))) <= 1)
			{
				$this->errors[] = Tools::displayError('You need at least one object.').
					' <b>'.$this->table.'</b><br />'.
					Tools::displayError('You cannot delete all of the items.');
			}
			elseif (array_key_exists('delete', $this->list_skip_actions) && in_array($object->id, $this->list_skip_actions['delete'])) //check if some ids are in list_skip_actions and forbid deletion
					$this->errors[] = Tools::displayError('You cannot delete this item.');
			else
			{
				if ($this->deleted)
				{
					if (!empty($this->fieldImageSettings))
						$res = $object->deleteImage();

					if (!$res)
						$this->errors[] = Tools::displayError('Unable to delete associated images.');

					$object->deleted = 1;
					if ($object->update())
						$this->redirect_after = self::$currentIndex.'&conf=1&token='.$this->token;
				}
				elseif ($object->delete())
					$this->redirect_after = self::$currentIndex.'&conf=1&token='.$this->token;
				$this->errors[] = Tools::displayError('An error occurred during deletion.');
			}
		}
		else
		{
			$this->errors[] = Tools::displayError('An error occurred while deleting the object.').
				' <b>'.$this->table.'</b> '.
				Tools::displayError('(cannot load object)');
		}
		return $object;
	}

	/**
	 * Call the right method for creating or updating object
	 *
	 * @return mixed
	 */
	public function processSave()
	{
		if ($this->id_object)
		{
			$this->object = $this->loadObject();
			return $this->processUpdate();
		}
		else
			return $this->processAdd();
	}

	/**
	 * Object creation
	 */
	public function processAdd()
	{
		/* Checking fields validity */
		$this->validateRules();
		if (count($this->errors) <= 0)
		{
			$this->object = new $this->className();

			$this->copyFromPost($this->object, $this->table);
			$this->beforeAdd($this->object);
			if (method_exists($this->object, 'add') && !$this->object->add())
			{
				$this->errors[] = Tools::displayError('An error occurred while creating an object.').
					' <b>'.$this->table.' ('.Db::getInstance()->getMsgError().')</b>';
			}
			/* voluntary do affectation here */
			elseif (($_POST[$this->identifier] = $this->object->id) && $this->postImage($this->object->id) && !count($this->errors) && $this->_redirect)
			{
				$parent_id = (int)Tools::getValue('id_parent', 1);
				$this->afterAdd($this->object);
				$this->updateAssoShop($this->object->id);
				// Save and stay on same form
				if (empty($this->redirect_after) && $this->redirect_after !== false && Tools::isSubmit('submitAdd'.$this->table.'AndStay'))
					$this->redirect_after = self::$currentIndex.'&'.$this->identifier.'='.$this->object->id.'&conf=3&update'.$this->table.'&token='.$this->token;
				// Save and back to parent
				if (empty($this->redirect_after) && $this->redirect_after !== false && Tools::isSubmit('submitAdd'.$this->table.'AndBackToParent'))
					$this->redirect_after = self::$currentIndex.'&'.$this->identifier.'='.$parent_id.'&conf=3&token='.$this->token;
				// Default behavior (save and back)
				if (empty($this->redirect_after) && $this->redirect_after !== false)
					$this->redirect_after = self::$currentIndex.($parent_id ? '&'.$this->identifier.'='.$this->object->id : '').'&conf=3&token='.$this->token;
			}
		}

		$this->errors = array_unique($this->errors);
		if (!empty($this->errors))
		{
			// if we have errors, we stay on the form instead of going back to the list
			$this->display = 'edit';
			return false;
		}

		return $this->object;
	}


	/**
	 * Object update
	 */
	public function processUpdate()
	{
		/* Checking fields validity */
		$this->validateRules();

		if (empty($this->errors))
		{
			$id = (int)Tools::getValue($this->identifier);

			/* Object update */
			if (isset($id) && !empty($id))
			{
				$object = new $this->className($id);
				if (Validate::isLoadedObject($object))
				{
					/* Specific to objects which must not be deleted */
					if ($this->deleted && $this->beforeDelete($object))
					{
						// Create new one with old objet values
						$object_new = $object->duplicateObject();
						if (Validate::isLoadedObject($object_new))
						{
							// Update old object to deleted
							$object->deleted = 1;
							$object->update();

							// Update new object with post values
							$this->copyFromPost($object_new, $this->table);
							$result = $object_new->update();
							if (Validate::isLoadedObject($object_new))
								$this->afterDelete($object_new, $object->id);
						}
					}
					else
					{
						$this->copyFromPost($object, $this->table);
						$result = $object->update();
						$this->afterUpdate($object);
					}

					if ($object->id)
						$this->updateAssoShop($object->id);

					if (!$result)
					{
						$this->errors[] = Tools::displayError('An error occurred while updating an object.').
							' <b>'.$this->table.'</b> ('.Db::getInstance()->getMsgError().')';
					}
					elseif ($this->postImage($object->id) && !count($this->errors) && $this->_redirect)
					{
						$parent_id = (int)Tools::getValue('id_parent', 1);
						// Specific back redirect
						if ($back = Tools::getValue('back'))
							$this->redirect_after = urldecode($back).'&conf=4';
						// Specific scene feature
						// @todo change stay_here submit name (not clear for redirect to scene ... )
						if (Tools::getValue('stay_here') == 'on' || Tools::getValue('stay_here') == 'true' || Tools::getValue('stay_here') == '1')
							$this->redirect_after = self::$currentIndex.'&'.$this->identifier.'='.$object->id.'&conf=4&updatescene&token='.$this->token;
						// Save and stay on same form
						// @todo on the to following if, we may prefer to avoid override redirect_after previous value
						if (Tools::isSubmit('submitAdd'.$this->table.'AndStay'))
							$this->redirect_after = self::$currentIndex.'&'.$this->identifier.'='.$object->id.'&conf=4&update'.$this->table.'&token='.$this->token;
						// Save and back to parent
						if (Tools::isSubmit('submitAdd'.$this->table.'AndBackToParent'))
							$this->redirect_after = self::$currentIndex.'&'.$this->identifier.'='.$parent_id.'&conf=4&token='.$this->token;

						// Default behavior (save and back)
						if (empty($this->redirect_after))
							$this->redirect_after = self::$currentIndex.($parent_id ? '&'.$this->identifier.'='.$object->id : '').'&conf=4&token='.$this->token;
					}
				}
				else
					$this->errors[] = Tools::displayError('An error occurred while updating an object.').
						' <b>'.$this->table.'</b> '.Tools::displayError('(cannot load object)');
			}
		}
		$this->errors = array_unique($this->errors);
		if (!empty($this->errors))
		{
			// if we have errors, we stay on the form instead of going back to the list
			$this->display = 'edit';
			return false;
		}

		if (isset($object))
			return $object;
		return;
	}

	/**
	 * Change object required fields
	 */
	public function processUpdateFields()
	{
		if (!is_array($fields = Tools::getValue('fieldsBox')))
			$fields = array();

		$object = new $this->className();
		if (!$object->addFieldsRequiredDatabase($fields))
			$this->errors[] = Tools::displayError('An error occurred when attempting to update the required fields.');
		else
			$this->redirect_after = self::$currentIndex.'&conf=4&token='.$this->token;

		return $object;
	}

	/**
	 * Change object status (active, inactive)
	 */
	public function processStatus()
	{
		if (Validate::isLoadedObject($object = $this->loadObject()))
		{
			if ($object->toggleStatus())
			{
				$id_category = (($id_category = (int)Tools::getValue('id_category')) && Tools::getValue('id_product')) ? '&id_category='.$id_category : '';
				$this->redirect_after = self::$currentIndex.'&conf=5'.$id_category.'&token='.$this->token;
			}
			else
				$this->errors[] = Tools::displayError('An error occurred while updating the status.');
		}
		else
			$this->errors[] = Tools::displayError('An error occurred while updating the status for an object.').
				' <b>'.$this->table.'</b> '.
				Tools::displayError('(cannot load object)');

		return $object;
	}

	/**
	 * Change object position
	 */
	public function processPosition()
	{
		if (!Validate::isLoadedObject($object = $this->loadObject()))
		{
			$this->errors[] = Tools::displayError('An error occurred while updating the status for an object.').
				' <b>'.$this->table.'</b> '.Tools::displayError('(cannot load object)');
		}
		elseif (!$object->updatePosition((int)Tools::getValue('way'), (int)Tools::getValue('position')))
			$this->errors[] = Tools::displayError('Failed to update the position.');
		else
		{
			$id_identifier_str = ($id_identifier = (int)Tools::getValue($this->identifier)) ? '&'.$this->identifier.'='.$id_identifier : '';
			$redirect = self::$currentIndex.'&'.$this->table.'Orderby=position&'.$this->table.'Orderway=asc&conf=5'.$id_identifier_str.'&token='.$this->token;
			$this->redirect_after = $redirect;
		}
		return $object;
	}

	/**
	 * Cancel all filters for this tab
	 */
	public function processResetFilters()
	{
		$prefix = str_replace(array('admin', 'controller'), '', Tools::strtolower(get_class($this)));
		$filters = $this->context->cookie->getFamily($prefix.$this->table.'Filter_');
		foreach ($filters as $cookie_key => $filter)
			if (strncmp($cookie_key, $prefix.$this->table.'Filter_', 7 + Tools::strlen($prefix.$this->table)) == 0)
			{
				$key = substr($cookie_key, 7 + Tools::strlen($prefix.$this->table));
				/* Table alias could be specified using a ! eg. alias!field */
				$tmp_tab = explode('!', $key);
				$key = (count($tmp_tab) > 1 ? $tmp_tab[1] : $tmp_tab[0]);

				if (is_array($this->fields_list) && array_key_exists($key, $this->fields_list))
					unset($this->context->cookie->$cookie_key);
			}

		if (isset($this->context->cookie->{'submitFilter'.$this->table}))
			unset($this->context->cookie->{'submitFilter'.$this->table});

		if (isset($this->context->cookie->{$prefix.$this->table.'Orderby'}))
			unset($this->context->cookie->{$prefix.$this->table.'Orderby'});

		if (isset($this->context->cookie->{$prefix.$this->table.'Orderway'}))
			unset($this->context->cookie->{$prefix.$this->table.'Orderway'});

		unset($_POST);
		$this->_filter = false;
		unset($this->_filterHaving);
		unset($this->_having);
	}

	/**
	 * Update options and preferences
	 */
	protected function processUpdateOptions()
	{
		$this->beforeUpdateOptions();

		$languages = Language::getLanguages(false);

		$hide_multishop_checkbox = (Shop::getTotalShops(false, null) < 2) ? true : false;
		foreach ($this->fields_options as $category_data)
		{
			if (!isset($category_data['fields']))
				continue;

			$fields = $category_data['fields'];

			foreach ($fields as $field => $values)
			{
				if (isset($values['type']) && $values['type'] == 'selectLang')
				{
					foreach ($languages as $lang)
						if (Tools::getValue($field.'_'.strtoupper($lang['iso_code'])))
							$fields[$field.'_'.strtoupper($lang['iso_code'])] = array(
								'type' => 'select',
								'cast' => 'strval',
								'identifier' => 'mode',
								'list' => $values['list']
							);
				}
			}

			// Validate fields
			foreach ($fields as $field => $values)
			{
				// We don't validate fields with no visibility
				if (!$hide_multishop_checkbox && Shop::isFeatureActive() && isset($values['visibility']) && $values['visibility'] > Shop::getContext())
					continue;

				// Check if field is required
				if (isset($values['required']) && $values['required'] && !empty($_POST['multishopOverrideOption'][$field]))
					if (isset($values['type']) && $values['type'] == 'textLang')
					{
						foreach ($languages as $language)
							if (($value = Tools::getValue($field.'_'.$language['id_lang'])) == false && (string)$value != '0')
								$this->errors[] = sprintf(Tools::displayError('field %s is required.'), $values['title']);
					}
					elseif (($value = Tools::getValue($field)) == false && (string)$value != '0')
						$this->errors[] = sprintf(Tools::displayError('field %s is required.'), $values['title']);

				// Check field validator
				if (isset($values['type']) && $values['type'] == 'textLang')
				{
					foreach ($languages as $language)
						if (Tools::getValue($field.'_'.$language['id_lang']) && isset($values['validation']))
							if (!Validate::$values['validation'](Tools::getValue($field.'_'.$language['id_lang'])))
								$this->errors[] = sprintf(Tools::displayError('field %s is invalid.'), $values['title']);
				}
				elseif (Tools::getValue($field) && isset($values['validation']))
					if (!Validate::$values['validation'](Tools::getValue($field)))
						$this->errors[] = sprintf(Tools::displayError('field %s is invalid.'), $values['title']);

				// Set default value
				if (Tools::getValue($field) === false && isset($values['default']))
					$_POST[$field] = $values['default'];
			}

			if (!count($this->errors))
			{
				foreach ($fields as $key => $options)
				{
					if (!$hide_multishop_checkbox && Shop::isFeatureActive() && isset($options['visibility']) && $options['visibility'] > Shop::getContext())
						continue;

					if (!$hide_multishop_checkbox && Shop::isFeatureActive() && Shop::getContext() != Shop::CONTEXT_ALL && empty($options['no_multishop_checkbox']) && empty($_POST['multishopOverrideOption'][$key]))
					{
						Configuration::deleteFromContext($key);
						continue;
					}

					// check if a method updateOptionFieldName is available
					$method_name = 'updateOption'.Tools::toCamelCase($key, true);
					if (method_exists($this, $method_name))
						$this->$method_name(Tools::getValue($key));
					elseif (isset($options['type']) && in_array($options['type'], array('textLang', 'textareaLang')))
					{
						$list = array();
						foreach ($languages as $language)
						{
							$key_lang = Tools::getValue($key.'_'.$language['id_lang']);
							$val = (isset($options['cast']) ? $options['cast']($key_lang) : $key_lang);
							if ($this->validateField($val, $options))
							{
								if (Validate::isCleanHtml($val))
									$list[$language['id_lang']] = $val;
								else
									$this->errors[] = Tools::displayError('Can not add configuration '.$key.' for lang '.Language::getIsoById((int)$language['id_lang']));
							}
						}
						Configuration::updateValue($key, $list);
					}
					else
					{
						$val = (isset($options['cast']) ? $options['cast'](Tools::getValue($key)) : Tools::getValue($key));
						if ($this->validateField($val, $options))
						{
							if (Validate::isCleanHtml($val))
								Configuration::updateValue($key, $val);
							else
								$this->errors[] = Tools::displayError('Can not add configuration '.$key);
						}
					}
				}
			}
		}

		$this->display = 'list';
		if (empty($this->errors))
			$this->confirmations[] = $this->_conf[6];
	}

	/**
	 * assign default action in toolbar_btn smarty var, if they are not set.
	 * uses override to specifically add, modify or remove items
	 *
	 */
	public function initToolbar()
	{
		switch ($this->display)
		{
			case 'add':
			case 'edit':
				// Default save button - action dynamically handled in javascript
				$this->toolbar_btn['save'] = array(
					'href' => '#',
					'desc' => $this->l('Save')
				);
				//no break
			case 'view':
				// Default cancel button - like old back link
				$back = Tools::safeOutput(Tools::getValue('back', ''));
				if (empty($back))
					$back = self::$currentIndex.'&token='.$this->token;
				if (!Validate::isCleanHtml($back))
					die(Tools::displayError());
				if (!$this->lite_display)
					$this->toolbar_btn['back'] = array(
						'href' => $back,
						'desc' => $this->l('Back to list')
					);
				break;
			case 'options':
				$this->toolbar_btn['save'] = array(
					'href' => '#',
					'desc' => $this->l('Save')
				);
				break;
			case 'view':
				break;
			default: // list
				$this->toolbar_btn['new'] = array(
					'href' => self::$currentIndex.'&amp;add'.$this->table.'&amp;token='.$this->token,
					'desc' => $this->l('Add new')
				);
				if ($this->allow_export)
					$this->toolbar_btn['export'] = array(
						'href' => self::$currentIndex.'&amp;export'.$this->table.'&amp;token='.$this->token,
						'desc' => $this->l('Export')
					);
		}
		$this->addToolBarModulesListButton();
	}

	/**
	 * Load class object using identifier in $_GET (if possible)
	 * otherwise return an empty object, or die
	 *
	 * @param boolean $opt Return an empty object if load fail
	 * @return object
	 */
	protected function loadObject($opt = false)
	{
		$id = (int)Tools::getValue($this->identifier);
		if ($id && Validate::isUnsignedId($id))
		{
			if (!$this->object)
				$this->object = new $this->className($id);
			if (Validate::isLoadedObject($this->object))
				return $this->object;
			// throw exception
			$this->errors[] = Tools::displayError('The object cannot be loaded (or found)');
			return false;
		}
		elseif ($opt)
		{
			if (!$this->object)
				$this->object = new $this->className();
			return $this->object;
		}
		else
		{
			$this->errors[] = Tools::displayError('The object cannot be loaded (the dentifier is missing or invalid)');
			return false;
		}

		return $this->object;
	}

	/**
	 * Check if the token is valid, else display a warning page
	 */
	public function checkAccess()
	{
		if (!$this->checkToken())
		{
			// If this is an XSS attempt, then we should only display a simple, secure page
			// ${1} in the replacement string of the regexp is required,
			// because the token may begin with a number and mix up with it (e.g. $17)
			$url = preg_replace('/([&?]token=)[^&]*(&.*)?$/', '${1}'.$this->token.'$2', $_SERVER['REQUEST_URI']);
			if (false === strpos($url, '?token=') && false === strpos($url, '&token='))
				$url .= '&token='.$this->token;
			if (strpos($url, '?') === false)
				$url = str_replace('&token', '?controller=AdminHome&token', $url);

			$this->context->smarty->assign('url', htmlentities($url));
			return false;
		}
		return true;
	}

	protected function filterToField($key, $filter)
	{
		foreach ($this->fields_list as $field)
			if (array_key_exists('filter_key', $field) && $field['filter_key'] == $key)
				return $field;
		if (array_key_exists($filter, $this->fields_list))
			return $this->fields_list[$filter];
		return false;
	}

	public function displayNoSmarty()
	{
	}

	public function displayAjax()
	{
		if ($this->json)
		{
			$this->context->smarty->assign(array(
				'json' => true,
				'status' => $this->status,
			));
		}
		$this->layout = 'layout-ajax.tpl';
		return $this->display();
	}

	protected function redirect()
	{
		header('Location: '.$this->redirect_after);
		exit;
	}

	public function display()
	{
		$this->context->smarty->assign(array(
				'display_header' => $this->display_header,
				'display_footer' => $this->display_footer,
				)
			);

		// Use page title from meta_title if it has been set else from the breadcrumbs array
		if (!$this->meta_title)
			$this->meta_title = isset($this->breadcrumbs[1]) ? $this->breadcrumbs[1] : $this->breadcrumbs[0];
		$this->context->smarty->assign('meta_title', $this->meta_title);

		$tpl_action = $this->tpl_folder.$this->display.'.tpl';

		// Check if action template has been override

		foreach ($this->context->smarty->getTemplateDir() as $template_dir)
			if (file_exists($template_dir.DIRECTORY_SEPARATOR.$tpl_action) && $this->display != 'view' && $this->display != 'options')
			{
				if (method_exists($this, $this->display.Tools::toCamelCase($this->className)))
					$this->{$this->display.Tools::toCamelCase($this->className)}();
				$this->context->smarty->assign('content', $this->context->smarty->fetch($tpl_action));
				break;
			}

		if (!$this->ajax)
		{
			$template = $this->createTemplate($this->template);
			$page = $template->fetch();
		}
		else
			$page = $this->content;

		if ($conf = Tools::getValue('conf'))
			if ($this->json)
				$this->context->smarty->assign('conf', Tools::jsonEncode($this->_conf[(int)$conf]));
			else
				$this->context->smarty->assign('conf', $this->_conf[(int)$conf]);
		
		$notifications_type = array('errors', 'warnings', 'informations', 'confirmations');
		foreach($notifications_type as $type)
			if ($this->json)
				$this->context->smarty->assign($type, Tools::jsonEncode(array_unique($this->$type)));
			else
				$this->context->smarty->assign($type, array_unique($this->$type));

		if ($this->json)
			$this->context->smarty->assign('page', Tools::jsonEncode($page));
		else
			$this->context->smarty->assign('page', $page);
		
		$this->smartyOutputContent($this->layout);
	}


	/**
	 * add a warning message to display at the top of the page
	 *
	 * @param string $msg
	 */
	protected function displayWarning($msg)
	{
		$this->warnings[] = $msg;
	}

	/**
	 * add a info message to display at the top of the page
	 *
	 * @param string $msg
	 */
	protected function displayInformation($msg)
	{
		$this->informations[] = $msg;
	}

	/**
	 * Assign smarty variables for the header
	 */
	public function initHeader()
	{
		// Multishop
		$is_multishop = Shop::isFeatureActive();

		// Quick access
		$quick_access = QuickAccess::getQuickAccesses($this->context->language->id);
		foreach ($quick_access as $index => $quick)
		{
			if ($quick['link'] == '../' && Shop::getContext() == Shop::CONTEXT_SHOP)
			{
				$url = $this->context->shop->getBaseURL();
				if (!$url)
				{
					unset($quick_access[$index]);
					continue;
				}
				$quick_access[$index]['link'] = $url;
			}
			else
			{
				preg_match('/controller=(.+)(&.+)?$/', $quick['link'], $admin_tab);
				if (isset($admin_tab[1]))
				{
					if (strpos($admin_tab[1], '&'))
						$admin_tab[1] = substr($admin_tab[1], 0, strpos($admin_tab[1], '&'));

					$token = Tools::getAdminToken($admin_tab[1].(int)Tab::getIdFromClassName($admin_tab[1]).(int)$this->context->employee->id);
					$quick_access[$index]['link'] .= '&token='.$token;
				}
			}
		}

		// Tab list
		$tabs = Tab::getTabs($this->context->language->id, 0);
		$current_id = Tab::getCurrentParentId();
		foreach ($tabs as $index => $tab)
		{
			if ($tab['class_name'] == 'AdminStock' && Configuration::get('PS_ADVANCED_STOCK_MANAGEMENT') == 0)
			{
				unset($tabs[$index]);
				continue;
			}

			$img_cache_url = 'themes/'.$this->context->employee->bo_theme.'/img/t/'.$tab['class_name'].'.png';
			$img_exists_cache = Tools::file_exists_cache(_PS_ADMIN_DIR_.$img_cache_url);
			// retrocompatibility : change png to gif if icon not exists
			if (!$img_exists_cache)
				$img_exists_cache = Tools::file_exists_cache(_PS_ADMIN_DIR_.str_replace('.png', '.gif', $img_cache_url));

			if ($img_exists_cache)
				$path_img = $img = $img_exists_cache;
			else
			{
				$path_img = _PS_IMG_DIR_.'t/'.$tab['class_name'].'.png';
				// Relative link will always work, whatever the base uri set in the admin
				$img = '../img/t/'.$tab['class_name'].'.png';
			}

			if (trim($tab['module']) != '')
			{
				$path_img = _PS_MODULE_DIR_.$tab['module'].'/'.$tab['class_name'].'.png';
				// Relative link will always work, whatever the base uri set in the admin
				$img = '../modules/'.$tab['module'].'/'.$tab['class_name'].'.png';
			}

			// retrocompatibility
			if (!file_exists($path_img))
				$img = str_replace('png', 'gif', $img);
			// tab[class_name] does not contains the "Controller" suffix
			$tabs[$index]['current'] = ($tab['class_name'].'Controller' == get_class($this)) || ($current_id == $tab['id_tab']);
			$tabs[$index]['img'] = $img;
			$tabs[$index]['href'] = $this->context->link->getAdminLink($tab['class_name']);

			$sub_tabs = Tab::getTabs($this->context->language->id, $tab['id_tab']);
			foreach ($sub_tabs as $index2 => $sub_tab)
			{
				// class_name is the name of the class controller
				if (Tab::checkTabRights($sub_tab['id_tab']) === true && (bool)$sub_tab['active'])
				{
					$sub_tabs[$index2]['href'] = $this->context->link->getAdminLink($sub_tab['class_name']);
					$sub_tabs[$index2]['current'] = ($sub_tab['class_name'].'Controller' == get_class($this));
				}
				else
					unset($sub_tabs[$index2]);					
			}
			$tabs[$index]['sub_tabs'] = $sub_tabs;

			// If there are no subtabs, we don't want to display the parent tab in menu
			if (empty($sub_tabs))
				unset($tabs[$index]);
		}
		
		if (Validate::isLoadedObject($this->context->employee))
		{
			$accesses = Profile::getProfileAccesses($this->context->employee->id_profile, 'class_name');

			/* Hooks are volontary out the initialize array (need those variables already assigned) */
			$bo_color = empty($this->context->employee->bo_color) ? '#FFFFFF' : $this->context->employee->bo_color;
			$this->context->smarty->assign(array(
				'autorefresh_notifications' => Configuration::get('PS_ADMIN_REFRESH_NOTIFICATION'),
				'help_box' => Configuration::get('PS_HELPBOX'),
				'round_mode' => Configuration::get('PS_PRICE_ROUND_MODE'),
				'brightness' => Tools::getBrightness($bo_color) < 128 ? 'white' : '#383838',
				'bo_width' => (int)$this->context->employee->bo_width,
				'bo_color' => isset($this->context->employee->bo_color) ? Tools::htmlentitiesUTF8($this->context->employee->bo_color) : null,
				'show_new_orders' => Configuration::get('PS_SHOW_NEW_ORDERS') && $accesses['AdminOrders']['view'],
				'show_new_customers' => Configuration::get('PS_SHOW_NEW_CUSTOMERS') && $accesses['AdminCustomers']['view'],
				'show_new_messages' => Configuration::get('PS_SHOW_NEW_MESSAGES') && $accesses['AdminCustomerThreads']['view'],
				'first_name' => Tools::substr($this->context->employee->firstname, 0, 1),
				'last_name' => htmlentities($this->context->employee->lastname, ENT_COMPAT, 'UTF-8'),
				'employee' => $this->context->employee,
				'search_type' => Tools::getValue('bo_search_type'),
				'bo_query' => Tools::safeOutput(Tools::stripslashes(Tools::getValue('bo_query'))),
				'quick_access' => $quick_access,
				'multi_shop' => Shop::isFeatureActive(),
				'shop_list' => Helper::renderShopList(),
				'shop' => $this->context->shop,
				'shop_group' => new ShopGroup((int)Shop::getContextShopGroupID()),
				'current_parent_id' => (int)Tab::getCurrentParentId(),
				'tabs' => $tabs,
				'is_multishop' => $is_multishop,
				'multishop_context' => $this->multishop_context,
			));
		}
		$this->context->smarty->assign(array(
			'img_dir' => _PS_IMG_,
			'iso' => $this->context->language->iso_code,
			'class_name' => $this->className,
			'iso_user' => $this->context->language->iso_code,
			'country_iso_code' => $this->context->country->iso_code,
			'version' => _PS_VERSION_,
			'lang_iso' => $this->context->language->iso_code,
			'link' => $this->context->link,
			'shop_name' => Configuration::get('PS_SHOP_NAME'),
			'base_url' => $this->context->shop->getBaseURL(),
			'tab' => $tab, // Deprecated, this tab is declared in the foreach, so it's the last tab in the foreach
			'current_parent_id' => (int)Tab::getCurrentParentId(),
			'tabs' => $tabs,
			'install_dir_exists' => file_exists(_PS_ADMIN_DIR_.'/../install'),
			'pic_dir' => _THEME_PROD_PIC_DIR_,
			'controller_name' => htmlentities(Tools::getValue('controller')),
			'currentIndex' => self::$currentIndex
		));
	}

	/**
	 * Declare an action to use for each row in the list
	 */
	public function addRowAction($action)
	{
		$action = strtolower($action);
		$this->actions[] = $action;
	}

	/**
	 * Add  an action to use for each row in the list
	 */
	public function addRowActionSkipList($action, $list)
	{
		$action = strtolower($action);
		$list = (array)$list;

		if (array_key_exists($action, $this->list_skip_actions))
			$this->list_skip_actions[$action] = array_merge($this->list_skip_actions[$action], $list);
		else
			$this->list_skip_actions[$action] = $list;
	}

	/**
	 * Assign smarty variables for all default views, list and form, then call other init functions
	 */
	public function initContent()
	{
		if (!$this->viewAccess())
		{
			$this->errors[] = Tools::displayError('You do not have permission to view this.');
			return;
		}
		
		$this->getLanguages();
		// toolbar (save, cancel, new, ..)
		$this->initToolbar();
		$this->initTabModuleList();
		if ($this->display == 'edit' || $this->display == 'add')
		{
			if (!$this->loadObject(true))
				return;

			$this->content .= $this->renderForm();
		}
		elseif ($this->display == 'view')
		{
			// Some controllers use the view action without an object
			if ($this->className)
				$this->loadObject(true);
			$this->content .= $this->renderView();
		}
		elseif (!$this->ajax)
		{
			$this->content .= $this->renderModulesList();
			$this->content .= $this->renderList();
			$this->content .= $this->renderOptions();

			// if we have to display the required fields form
			if ($this->required_database)
				$this->content .= $this->displayRequiredFields();
		}

		$this->context->smarty->assign(array(
			'content' => $this->content,
			'url_post' => self::$currentIndex.'&token='.$this->token,
		));
	}
	
	/**
	 * init tab modules list and add button in toolbar
	 */
	protected function initTabModuleList()
	{
		if (!$this->isFresh(Module::CACHE_FILE_TAB_MODULES_LIST, 604800))
			$this->refresh(Module::CACHE_FILE_TAB_MODULES_LIST…