mirror of
https://github.com/phpbb/phpbb.git
synced 2025-02-22 02:50:00 +01:00
497 lines
13 KiB
PHP
497 lines
13 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 $cache;
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// Get active modules
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$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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AND module_enabled = 1
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ORDER BY left_id ASC";
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$result = $db->sql_query($sql);
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$this->module_cache['modules'] = array();
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while ($row = $db->sql_fetchrow($result))
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{
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$this->module_cache['modules'][] = $row;
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}
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$db->sql_freeresult($result);
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// Get module parents
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$this->module_cache['parents'] = array();
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foreach ($this->module_cache['modules'] as $row)
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{
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$this->module_cache['parents'][$row['module_id']] = $this->get_parents($row['parent_id'], $row['left_id'], $row['right_id']);
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}
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$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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$right = $depth = $i = 0;
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$depth_ary = array();
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foreach ($this->module_cache['modules'] as $row)
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{
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/**
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* Authorisation is required ... not authed, skip
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* @todo implement $this->is_module_id
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* @todo put in seperate method for authentication
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*/
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if ($row['module_auth'])
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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)?#e', '#\$id#', '#cfg_([a-z_]+)#e'), array('(int) $auth->acl_get("\\1"\\2)', '$this->acl_forup_id', '(int) $config["\\1"]'), trim($row['module_auth'])) . ');');
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if (!$is_auth)
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{
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continue;
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}
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}
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// Category with no members, ignore
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if (!$row['module_name'] && ($row['left_id'] + 1 == $row['right_id']))
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{
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continue;
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}
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if ($row['left_id'] < $right)
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{
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$depth++;
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$depth_ary[$row['parent_id']] = $depth;
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}
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else if ($row['left_id'] > $right + 1)
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{
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if (!isset($depth_ary[$row['parent_id']]))
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{
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$depth = 0;
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}
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else
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{
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$depth = $depth_ary[$row['parent_id']];
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}
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}
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$right = $row['right_id'];
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$this->module_ary[$i] = 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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'name' => (string) $row['module_name'],
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'mode' => (string) $row['module_mode'],
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'display' => (int) $row['module_display'],
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'lang' => (function_exists($row['module_name'])) ? $row['module_name']($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' => $row['right_id'],
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);
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$i++;
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}
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unset($this->module_cache['modules']);
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}
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function set_active($id = false, $mode = false)
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{
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$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']) ||
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($itep_ary['parent'] === $category && !$itep_ary['cat']) ||
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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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$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'] == $id) || ($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, $phpEx;
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$module_path = $phpbb_root_path . 'includes/' . $this->p_class;
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if (!class_exists("{$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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// 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, $this->p_mode);
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return;
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}
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}
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function get_parents($parent_id, $left_id, $right_id)
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{
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global $db;
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$parents = array();
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if ($parent_id > 0)
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{
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$sql = 'SELECT module_id, parent_id
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FROM ' . MODULES_TABLE . '
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WHERE left_id < ' . $left_id . '
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AND right_id > ' . $right_id . '
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ORDER BY left_id ASC';
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$result = $db->sql_query($sql);
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$parents = array();
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while ($row = $db->sql_fetchrow($result))
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{
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$parents[$row['module_id']] = $row['parent_id'];
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}
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$db->sql_freeresult($result);
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}
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return $parents;
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}
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function assign_tpl_vars($module_url)
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{
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global $template;
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$current_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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$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 = $module_url . '&i=' . (($itep_ary['cat']) ? $itep_ary['id'] : $itep_ary['name'] . '&mode=' . $itep_ary['mode'] . $itep_ary['url_extra']);
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// Only output a categories items if it's currently selected
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if (!$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;
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}
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}
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/**
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* Returns desired template name
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*/
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function get_tpl_name()
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{
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return $this->module->tpl_name . '.html';
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}
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/**
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* Load module as the current active one without the need for registering it
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*/
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function load($class, $name, $mode = false)
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{
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$this->p_class = $class;
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$this->p_name = $name;
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$this->load_active($mode);
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}
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/**
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* Display module
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*/
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function display($page_title)
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{
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global $template;
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// Generate the page
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page_header($page_title);
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$template->set_filenames(array(
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'body' => $this->get_tpl_name())
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);
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page_footer();
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}
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}
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/**
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* Unified module system
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*
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* Functions for the ACP
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*/
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class p_master_acp extends p_master
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{
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/**
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* Move modules
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*
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* Private function used with the ACP module management system for moving modules
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* within the tree. The movement of modules is limited to their category, they
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* cannot be moved between categories (reducing complication for users and admins)
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*
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* @access private
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function move($frop_id, $to_id)
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{
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global $db;
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$moved_forums = get_forup_branch($frop_id, 'children', 'descending');
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$frop_data = $moved_forums[0];
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$diff = count($moved_forums) * 2;
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$moved_ids = array();
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for ($i = 0; $i < count($moved_forums); ++$i)
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{
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$moved_ids[] = $moved_forums[$i]['forup_id'];
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}
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// Resync parents
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$sql = 'UPDATE ' . FORUMS_TABLE . "
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SET right_id = right_id - $diff, forup_parents = ''
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WHERE left_id < " . $frop_data['right_id'] . "
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AND right_id > " . $frop_data['right_id'];
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$db->sql_query($sql);
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// Resync righthand side of tree
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$sql = 'UPDATE ' . FORUMS_TABLE . "
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SET left_id = left_id - $diff, right_id = right_id - $diff, forup_parents = ''
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WHERE left_id > " . $frop_data['right_id'];
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$db->sql_query($sql);
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if ($to_id > 0)
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{
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$to_data = get_forup_info($to_id);
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// Resync new parents
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$sql = 'UPDATE ' . FORUMS_TABLE . "
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SET right_id = right_id + $diff, forup_parents = ''
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WHERE " . $to_data['right_id'] . ' BETWEEN left_id AND right_id
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AND forup_id NOT IN (' . implode(', ', $moved_ids) . ')';
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$db->sql_query($sql);
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// Resync the righthand side of the tree
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$sql = 'UPDATE ' . FORUMS_TABLE . "
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SET left_id = left_id + $diff, right_id = right_id + $diff, forup_parents = ''
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WHERE left_id > " . $to_data['right_id'] . '
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AND forup_id NOT IN (' . implode(', ', $moved_ids) . ')';
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$db->sql_query($sql);
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// Resync moved branch
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$to_data['right_id'] += $diff;
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if ($to_data['right_id'] > $frop_data['right_id'])
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{
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$diff = '+ ' . ($to_data['right_id'] - $frop_data['right_id'] - 1);
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}
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else
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{
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$diff = '- ' . abs($to_data['right_id'] - $frop_data['right_id'] - 1);
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}
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}
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else
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{
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$sql = 'SELECT MAX(right_id) AS right_id
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FROM ' . FORUMS_TABLE . '
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WHERE forup_id NOT IN (' . implode(', ', $moved_ids) . ')';
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$result = $db->sql_query($sql);
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$row = $db->sql_fetchrow($result);
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$db->sql_freeresult($result);
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$diff = '+ ' . ($row['right_id'] - $frop_data['left_id'] + 1);
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}
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$sql = 'UPDATE ' . FORUMS_TABLE . "
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SET left_id = left_id $diff, right_id = right_id $diff, forup_parents = ''
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WHERE forup_id IN (" . implode(', ', $moved_ids) . ')';
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$db->sql_query($sql);
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}
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*/
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}
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/**
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* Unified module system
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*
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* This class provides a unified system for the creation and management of
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* modules used by the ACP, MCP and UCP.
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*/
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class p_module
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{
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var $tpl_name;
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function p_module()
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{
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}
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function check_version()
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{
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}
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function init()
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{
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}
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function install()
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{
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}
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}
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?>
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