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https://github.com/phpbb/phpbb.git
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596 lines
15 KiB
PHP
596 lines
15 KiB
PHP
<?php
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/**
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*
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* @package phpBB3
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* @version $Id$
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* Class handling all types of 'plugins' (a future term)
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*/
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class p_master
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{
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/**#@+
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* @access private
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*/
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var $p_id;
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var $p_class;
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var $p_name;
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var $p_mode;
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var $p_parent;
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var $acl_forup_id = false;
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/**#@-*/
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/**#@+
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* This array holds information on the list of modules
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*/
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var $module_ary = array();
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/**#@-*/
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/**
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* List modules
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*
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* This creates a list, stored in $this->module_ary of all available
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* modules for the given class (ucp, mcp and acp). Additionally
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* $this->module_y_ary is created with indentation information for
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* displaying the module list appropriately. Only modules for which
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* the user has access rights are included in these lists.
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*
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* @final
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*/
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function list_modules($p_class)
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{
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global $auth, $db, $user;
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global $config, $phpbb_root_path, $phpEx;
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$get_cache_data = true;
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// Empty cached contents
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$this->module_cache = array();
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// Sanitise for future path use, it's escaped as appropriate for queries
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$this->p_class = str_replace(array('.', '/', '\\'), '', basename($p_class));
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if (file_exists($phpbb_root_path . 'cache/' . $this->p_class . '_modules.' . $phpEx))
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{
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include($phpbb_root_path . 'cache/' . $this->p_class . '_modules.' . $phpEx);
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$get_cache_data = false;
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}
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if ($get_cache_data)
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{
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global $cache;
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// Get modules
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$sql = 'SELECT *
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FROM ' . MODULES_TABLE . "
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WHERE module_class = '" . $db->sql_escape($p_class) . "'
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ORDER BY left_id ASC";
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$result = $db->sql_query($sql);
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$rows = array();
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while ($row = $db->sql_fetchrow($result))
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{
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$rows[$row['module_id']] = $row;
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}
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$db->sql_freeresult($result);
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$this->module_cache = array();
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foreach ($rows as $module_id => $row)
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{
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$this->module_cache['modules'][] = $row;
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$this->module_cache['parents'][$row['module_id']] = $this->get_parents($row['parent_id'], $row['left_id'], $row['right_id'], $rows);
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}
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unset($rows);
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$file = '<?php $this->module_cache=' . $cache->format_array($this->module_cache) . "; ?>";
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if ($fp = @fopen($phpbb_root_path . 'cache/' . $this->p_class . '_modules.' . $phpEx, 'wb'))
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{
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@flock($fp, LOCK_EX);
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fwrite($fp, $file);
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@flock($fp, LOCK_UN);
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fclose($fp);
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}
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unset($file);
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}
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// We "could" build a true tree with this function - maybe mod authors want to use this...
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// Functions for traversing and manipulating the tree are not available though
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// We might re-structure the module system to use true trees in 3.2.x...
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// $tree = $this->build_tree($this->module_cache['modules'], $this->module_cache['parents']);
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// Clean up module cache array to only let survive modules the user can access
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$right_id = false;
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foreach ($this->module_cache['modules'] as $key => $row)
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{
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// Not allowed to view module?
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if (!$this->module_auth($row['module_auth']))
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{
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unset($this->module_cache['modules'][$key]);
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continue;
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}
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// Category with no members, ignore
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if (!$row['module_name'] && ($row['left_id'] + 1 == $row['right_id']))
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{
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unset($this->module_cache['modules'][$key]);
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continue;
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}
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// Skip branch
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if ($right_id !== false)
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{
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if ($row['left_id'] < $right_id)
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{
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unset($this->module_cache['modules'][$key]);
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continue;
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}
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$right_id = false;
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}
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// Not enabled?
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if (!$row['module_enabled'])
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{
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// If category is disabled then disable every child too
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unset($this->module_cache['modules'][$key]);
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$right_id = $row['right_id'];
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continue;
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}
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}
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// Re-index (this is needed, else we are not able to array_slice later)
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$this->module_cache['modules'] = array_merge($this->module_cache['modules']);
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// Now build the module array, but exclude completely empty categories...
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$right_id = false;
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$names = array();
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foreach ($this->module_cache['modules'] as $key => $row)
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{
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// Skip branch
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if ($right_id !== false)
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{
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if ($row['left_id'] < $right_id)
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{
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continue;
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}
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$right_id = false;
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}
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// Category with no members on their way down (we have to check every level)
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if (!$row['module_name'])
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{
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$empty_category = true;
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// We go through the branch and look for an activated module
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foreach (array_slice($this->module_cache['modules'], $key + 1) as $temp_row)
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{
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if ($temp_row['left_id'] > $row['left_id'] && $temp_row['left_id'] < $row['right_id'])
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{
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// Module there
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if ($temp_row['module_name'] && $temp_row['module_enabled'])
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{
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$empty_category = false;
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break;
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}
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continue;
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}
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break;
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}
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// Skip the branch
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if ($empty_category)
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{
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$right_id = $row['right_id'];
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continue;
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}
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}
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$depth = sizeof($this->module_cache['parents'][$row['module_id']]);
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// We need to prefix the functions to not create a naming conflict
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$url_func = '_module_' . $row['module_name'] . '_' . $row['module_mode'] . '_url';
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$lang_func = '_module_' . $row['module_name'];
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$names[$row['module_name'] . '_' . $row['module_mode']][] = true;
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$this->module_ary[] = array(
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'depth' => $depth,
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'id' => (int) $row['module_id'],
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'parent' => (int) $row['parent_id'],
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'cat' => ($row['right_id'] > $row['left_id'] + 1) ? true : false,
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'is_duplicate' => ($row['module_name'] && sizeof($names[$row['module_name'] . '_' . $row['module_mode']]) > 1) ? true : false,
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'name' => (string) $row['module_name'],
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'mode' => (string) $row['module_mode'],
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'display' => (int) $row['module_display'],
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'url_extra' => (function_exists($url_func)) ? $url_func() : '',
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'lang' => ($row['module_name'] && function_exists($lang_func)) ? $lang_func($row['module_mode'], $row['module_langname']) : ((!empty($user->lang[$row['module_langname']])) ? $user->lang[$row['module_langname']] : $row['module_langname']),
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'langname' => $row['module_langname'],
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'left' => $row['left_id'],
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'right' => $row['right_id'],
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);
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}
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unset($this->module_cache['modules'], $names);
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}
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/**
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* Check module authorisation
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* @todo implement $this->is_module_id
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*/
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function module_auth($module_auth)
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{
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global $auth, $config;
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$module_auth = trim($module_auth);
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// Generally allowed to access module if module_auth is empty
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if (!$module_auth)
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{
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return true;
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}
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$is_auth = false;
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eval('$is_auth = (int) (' . preg_replace(array('#acl_([a-z_]+)(,\$id)?#', '#\$id#', '#aclf_([a-z_]+)#', '#cfg_([a-z_]+)#'), array('(int) $auth->acl_get("\\1"\\2)', '(int) $this->acl_forup_id', '(int) $auth->acl_getf_global("\\1")', '(int) $config["\\1"]'), $module_auth) . ');');
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return $is_auth;
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}
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/**
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* Set active module
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*/
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function set_active($id = false, $mode = false)
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{
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$icat = false;
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if (request_var('icat', ''))
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{
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$icat = $id;
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$id = request_var('icat', '');
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}
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$category = false;
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foreach ($this->module_ary as $row_id => $itep_ary)
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{
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// If this is a module and it's selected, active
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// If this is a category and the module is the first within it, active
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// If this is a module and no mode selected, select first mode
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// If no category or module selected, go active for first module in first category
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if (
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(($itep_ary['name'] === $id || $itep_ary['id'] === (int) $id) && (($itep_ary['mode'] == $mode && !$itep_ary['cat']) || ($icat && $itep_ary['cat']))) ||
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($itep_ary['parent'] === $category && !$itep_ary['cat'] && !$icat) ||
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(($itep_ary['name'] === $id || $itep_ary['id'] === (int) $id) && !$mode && !$itep_ary['cat']) ||
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(!$id && !$mode && !$itep_ary['cat'])
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)
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{
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if ($itep_ary['cat'])
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{
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$id = $icat;
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$icat = false;
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continue;
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}
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$this->p_id = $itep_ary['id'];
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$this->p_parent = $itep_ary['parent'];
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$this->p_name = $itep_ary['name'];
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$this->p_mode = $itep_ary['mode'];
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$this->p_left = $itep_ary['left'];
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$this->p_right = $itep_ary['right'];
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$this->module_cache['parents'] = $this->module_cache['parents'][$this->p_id];
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break;
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}
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else if (($itep_ary['cat'] && $itep_ary['id'] === (int) $id) || ($itep_ary['parent'] === $category && $itep_ary['cat']))
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{
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$category = $itep_ary['id'];
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}
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}
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}
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/**
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* Loads currently active module
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*
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* This method loads a given module, passing it the relevant id and mode.
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*
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* @final
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*/
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function load_active($mode = false)
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{
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global $phpbb_root_path, $phpbb_admin_path, $phpEx, $SID;
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$module_path = $phpbb_root_path . 'includes/' . $this->p_class;
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$icat = request_var('icat', '');
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if (!class_exists("{$this->p_class}_$this->p_name"))
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{
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if (!file_exists("$module_path/{$this->p_class}_$this->p_name.$phpEx"))
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{
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trigger_error('Cannot find module', E_USER_ERROR);
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}
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include("$module_path/{$this->p_class}_$this->p_name.$phpEx");
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if (!class_exists("{$this->p_class}_$this->p_name"))
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{
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trigger_error('Module does not contain correct class', E_USER_ERROR);
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}
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if (!empty($mode))
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{
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$this->p_mode = $mode;
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}
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// Create a new instance of the desired module ... if it has a
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// constructor it will of course be executed
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$instance = "{$this->p_class}_$this->p_name";
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$this->module = new $instance($this);
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// We pre-define the action parameter we are using all over the place
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$this->module->u_action = "{$phpbb_admin_path}index.$phpEx$SID" . (($icat) ? '&icat=' . $icat : '') . "&i={$this->p_id}&mode={$this->p_mode}";
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// Execute the main method for the new instance, we send the module
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// id and mode as parameters
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$this->module->main(($this->p_name) ? $this->p_name : $this->p_id, $this->p_mode);
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return;
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}
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}
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/**
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* Get parents
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*/
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function get_parents($parent_id, $left_id, $right_id, &$all_parents)
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{
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global $db;
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$parents = array();
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if ($parent_id > 0)
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{
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foreach ($all_parents as $module_id => $row)
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{
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if ($row['left_id'] < $left_id && $row['right_id'] > $right_id)
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{
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$parents[$module_id] = $row['parent_id'];
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}
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if ($row['left_id'] > $left_id)
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{
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break;
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}
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}
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}
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return $parents;
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}
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/**
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* Get tree branch
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*/
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function get_branch($left_id, $right_id, $remaining)
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{
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$branch = array();
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foreach ($remaining as $key => $row)
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{
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if ($row['left_id'] > $left_id && $row['left_id'] < $right_id)
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{
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$branch[] = $row;
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continue;
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}
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break;
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}
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return $branch;
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}
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/**
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* Build true binary tree from given array
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*/
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function build_tree(&$modules, &$parents)
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{
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$tree = array();
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foreach ($modules as $row)
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{
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$branch = &$tree;
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if ($row['parent_id'])
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{
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// Go through the tree to find our branch
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$parent_tree = $parents[$row['module_id']];
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foreach ($parent_tree as $id => $value)
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{
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if (!isset($branch[$id]) && isset($branch['child']))
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{
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$branch = &$branch['child'];
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}
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$branch = &$branch[$id];
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}
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$branch = &$branch['child'];
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}
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$branch[$row['module_id']] = $row;
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if (!isset($branch[$row['module_id']]['child']))
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{
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$branch[$row['module_id']]['child'] = array();
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}
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}
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return $tree;
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}
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/**
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* Build navigation structure
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*/
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function assign_tpl_vars($module_url)
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{
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global $template;
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$current_id = false;
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$current_padding = $current_depth = 0;
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$linear_offset = 'l_block1';
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$tabular_offset = 't_block2';
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// Generate the list of modules, we'll do this in two ways ...
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// 1) In a linear fashion
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// 2) In a combined tabbed + linear fashion ... tabs for the categories
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// and a linear list for subcategories/items
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foreach ($this->module_ary as $row_id => $itep_ary)
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{
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if (!$itep_ary['display'])
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{
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continue;
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}
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// Select first id we can get
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if (!$current_id && (in_array($itep_ary['id'], array_keys($this->module_cache['parents'])) || $itep_ary['id'] == $this->p_id))
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{
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$current_id = $itep_ary['id'];
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}
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$depth = $itep_ary['depth'];
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if ($depth > $current_depth)
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{
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$linear_offset = $linear_offset . '.l_block' . ($depth + 1);
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$tabular_offset = ($depth + 1 > 2) ? $tabular_offset . '.t_block' . ($depth + 1) : $tabular_offset;
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}
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else if ($depth < $current_depth)
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{
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for ($i = $current_depth - $depth; $i > 0; $i--)
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{
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$linear_offset = substr($linear_offset, 0, strrpos($linear_offset, '.'));
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$tabular_offset = ($i + $depth > 1) ? substr($tabular_offset, 0, strrpos($tabular_offset, '.')) : $tabular_offset;
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}
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}
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$u_title = $module_url . (($itep_ary['is_duplicate']) ? '&icat=' . $current_id : '') . '&i=' . (($itep_ary['cat']) ? $itep_ary['id'] : $itep_ary['name'] . '&mode=' . $itep_ary['mode']);
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$u_title .= (!$itep_ary['cat'] && isset($itep_ary['url_extra'])) ? $itep_ary['url_extra'] : '';
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// Only output a categories items if it's currently selected
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if (!$depth || ($depth && (in_array($itep_ary['parent'], array_values($this->module_cache['parents'])) || $itep_ary['parent'] == $this->p_parent)))
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{
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$use_tabular_offset = (!$depth) ? 't_block1' : $tabular_offset;
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$tpl_ary = array(
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'L_TITLE' => $itep_ary['lang'],
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'S_SELECTED' => (in_array($itep_ary['id'], array_keys($this->module_cache['parents'])) || $itep_ary['id'] == $this->p_id) ? true : false,
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'U_TITLE' => $u_title
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);
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$template->assign_block_vars($use_tabular_offset, array_merge($tpl_ary, array_change_key_case($itep_ary, CASE_UPPER)));
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}
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$tpl_ary = array(
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'L_TITLE' => $itep_ary['lang'],
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'S_SELECTED' => (in_array($itep_ary['id'], array_keys($this->module_cache['parents'])) || $itep_ary['id'] == $this->p_id) ? true : false,
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'U_TITLE' => $u_title
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);
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$template->assign_block_vars($linear_offset, array_merge($tpl_ary, array_change_key_case($itep_ary, CASE_UPPER)));
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$current_depth = $depth;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns desired template name
|
|
*/
|
|
function get_tpl_name()
|
|
{
|
|
return $this->module->tpl_name . '.html';
|
|
}
|
|
|
|
/**
|
|
* Returns the desired page title
|
|
*/
|
|
function get_page_title()
|
|
{
|
|
global $user;
|
|
|
|
if (!isset($this->module->page_title))
|
|
{
|
|
return '';
|
|
}
|
|
|
|
return (isset($user->lang[$this->module->page_title])) ? $user->lang[$this->module->page_title] : $this->module->page_title;
|
|
}
|
|
|
|
/**
|
|
* Load module as the current active one without the need for registering it
|
|
*/
|
|
function load($class, $name, $mode = false)
|
|
{
|
|
$this->p_class = $class;
|
|
$this->p_name = $name;
|
|
|
|
$this->load_active($mode);
|
|
}
|
|
|
|
/**
|
|
* Display module
|
|
*/
|
|
function display($page_title)
|
|
{
|
|
global $template, $user;
|
|
|
|
// Generate the page
|
|
if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
|
|
{
|
|
adm_page_header($page_title);
|
|
}
|
|
else
|
|
{
|
|
page_header($page_title);
|
|
}
|
|
|
|
$template->set_filenames(array(
|
|
'body' => $this->get_tpl_name())
|
|
);
|
|
|
|
if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
|
|
{
|
|
adm_page_footer();
|
|
}
|
|
else
|
|
{
|
|
page_footer();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Toggle whether this module will be displayed or not
|
|
*/
|
|
function set_display($id, $mode = false, $display = true)
|
|
{
|
|
foreach ($this->module_ary as $row_id => $itep_ary)
|
|
{
|
|
if (($itep_ary['name'] === $id || $itep_ary['id'] === (int) $id) && (!$mode || $itep_ary['mode'] === $mode))
|
|
{
|
|
$this->module_ary[$row_id]['display'] = (int) $display;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|