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<?php
/**
*
* @package acp
* @version $Id: acp_modules.php 9179 2008-12-06 18:23:42Z toonarmy $
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* - Able to check for new module versions (modes changed/adjusted/added/removed)
* Icons for:
* - module enabled and displayed (common)
* - module enabled and not displayed
* - module deactivated
* - category (enabled)
* - category disabled
*/
/**
* @package acp
*/
class acp_modules
{
var $module_class = '';
var $parent_id;
var $u_action;
function main($id, $mode)
{
global $db, $user, $auth, $template, $module;
global $config, $phpbb_admin_path, $phpbb_root_path, $phpEx;
// Set a global define for modules we might include (the author is able to prevent execution of code by checking this constant)
define('MODULE_INCLUDE', true);
$user->add_lang('acp/modules');
$this->tpl_name = 'acp_modules';
// module class
$this->module_class = $mode;
if ($this->module_class == 'ucp')
{
$user->add_lang('ucp');
}
else if ($this->module_class == 'mcp')
{
$user->add_lang('mcp');
}
if ($module->p_class != $this->module_class)
{
$module->add_mod_info($this->module_class);
}
$this->page_title = strtoupper($this->module_class);
$this->parent_id = request_var('parent_id', 0);
$module_id = request_var('m', 0);
$action = request_var('action', '');
$errors = array();
switch ($action)
{
case 'delete':
if (!$module_id)
{
trigger_error($user->lang['NO_MODULE_ID'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
if (confirm_box(true))
{
// Make sure we are not directly within a module
if ($module_id == $this->parent_id)
{
$sql = 'SELECT parent_id
FROM ' . MODULES_TABLE . '
WHERE module_id = ' . $module_id;
$result = $db->sql_query($sql);
$this->parent_id = (int) $db->sql_fetchfield('parent_id');
$db->sql_freeresult($result);
}
$errors = $this->delete_module($module_id);
if (!sizeof($errors))
{
$this->remove_cache_file();
trigger_error($user->lang['MODULE_DELETED'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id));
}
}
else
{
confirm_box(false, 'DELETE_MODULE', build_hidden_fields(array(
'i' => $id,
'mode' => $mode,
'parent_id' => $this->parent_id,
'module_id' => $module_id,
'action' => $action,
)));
}
break;
case 'enable':
case 'disable':
if (!$module_id)
{
trigger_error($user->lang['NO_MODULE_ID'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
$sql = 'SELECT *
FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND module_id = $module_id";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
trigger_error($user->lang['NO_MODULE'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
$sql = 'UPDATE ' . MODULES_TABLE . '
SET module_enabled = ' . (($action == 'enable') ? 1 : 0) . "
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND module_id = $module_id";
$db->sql_query($sql);
add_log('admin', 'LOG_MODULE_' . strtoupper($action), $this->lang_name($row['module_langname']));
$this->remove_cache_file();
break;
case 'move_up':
case 'move_down':
if (!$module_id)
{
trigger_error($user->lang['NO_MODULE_ID'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
$sql = 'SELECT *
FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND module_id = $module_id";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
trigger_error($user->lang['NO_MODULE'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
$move_module_name = $this->move_module_by($row, $action, 1);
if ($move_module_name !== false)
{
add_log('admin', 'LOG_MODULE_' . strtoupper($action), $this->lang_name($row['module_langname']), $move_module_name);
$this->remove_cache_file();
}
break;
case 'quickadd':
$quick_install = request_var('quick_install', '');
if (confirm_box(true))
{
if (!$quick_install || strpos($quick_install, '::') === false)
{
break;
}
list($module_basename, $module_mode) = explode('::', $quick_install);
// Check if module name and mode exist...
$fileinfo = $this->get_module_infos($module_basename);
$fileinfo = $fileinfo[$module_basename];
if (isset($fileinfo['modes'][$module_mode]))
{
$module_data = array(
'module_basename' => $module_basename,
'module_enabled' => 0,
'module_display' => (isset($fileinfo['modes'][$module_mode]['display'])) ? $fileinfo['modes'][$module_mode]['display'] : 1,
'parent_id' => $this->parent_id,
'module_class' => $this->module_class,
'module_langname' => $fileinfo['modes'][$module_mode]['title'],
'module_mode' => $module_mode,
'module_auth' => $fileinfo['modes'][$module_mode]['auth'],
);
$errors = $this->update_module_data($module_data);
if (!sizeof($errors))
{
$this->remove_cache_file();
trigger_error($user->lang['MODULE_ADDED'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id));
}
}
}
else
{
confirm_box(false, 'ADD_MODULE', build_hidden_fields(array(
'i' => $id,
'mode' => $mode,
'parent_id' => $this->parent_id,
'action' => 'quickadd',
'quick_install' => $quick_install,
)));
}
break;
case 'edit':
if (!$module_id)
{
trigger_error($user->lang['NO_MODULE_ID'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
$module_row = $this->get_module_row($module_id);
// no break
case 'add':
if ($action == 'add')
{
$module_row = array(
'module_basename' => '',
'module_enabled' => 0,
'module_display' => 1,
'parent_id' => 0,
'module_langname' => utf8_normalize_nfc(request_var('module_langname', '', true)),
'module_mode' => '',
'module_auth' => '',
);
}
$module_data = array();
$module_data['module_basename'] = request_var('module_basename', (string) $module_row['module_basename']);
$module_data['module_enabled'] = request_var('module_enabled', (int) $module_row['module_enabled']);
$module_data['module_display'] = request_var('module_display', (int) $module_row['module_display']);
$module_data['parent_id'] = request_var('module_parent_id', (int) $module_row['parent_id']);
$module_data['module_class'] = $this->module_class;
$module_data['module_langname'] = utf8_normalize_nfc(request_var('module_langname', (string) $module_row['module_langname'], true));
$module_data['module_mode'] = request_var('module_mode', (string) $module_row['module_mode']);
$submit = (isset($_POST['submit'])) ? true : false;
if ($submit)
{
if (!$module_data['module_langname'])
{
trigger_error($user->lang['NO_MODULE_LANGNAME'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
$module_type = request_var('module_type', 'category');
if ($module_type == 'category')
{
$module_data['module_basename'] = $module_data['module_mode'] = $module_data['module_auth'] = '';
$module_data['module_display'] = 1;
}
if ($action == 'edit')
{
$module_data['module_id'] = $module_id;
}
// Adjust auth row
if ($module_data['module_basename'] && $module_data['module_mode'])
{
$fileinfo = $this->get_module_infos($module_data['module_basename']);
$module_data['module_auth'] = $fileinfo[$module_data['module_basename']]['modes'][$module_data['module_mode']]['auth'];
}
$errors = $this->update_module_data($module_data);
if (!sizeof($errors))
{
$this->remove_cache_file();
trigger_error((($action == 'add') ? $user->lang['MODULE_ADDED'] : $user->lang['MODULE_EDITED']) . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id));
}
}
// Category/not category?
$is_cat = (!$module_data['module_basename']) ? true : false;
// Get module information
$module_infos = $this->get_module_infos();
// Build name options
$s_name_options = $s_mode_options = '';
foreach ($module_infos as $option => $values)
{
if (!$module_data['module_basename'])
{
$module_data['module_basename'] = $option;
}
// Name options
$s_name_options .= '<option value="' . $option . '"' . (($option == $module_data['module_basename']) ? ' selected="selected"' : '') . '>' . $this->lang_name($values['title']) . ' [' . $this->module_class . '_' . $option . ']</option>';
$template->assign_block_vars('m_names', array('NAME' => $option, 'A_NAME' => addslashes($option)));
// Build module modes
foreach ($values['modes'] as $m_mode => $m_values)
{
if ($option == $module_data['module_basename'])
{
$s_mode_options .= '<option value="' . $m_mode . '"' . (($m_mode == $module_data['module_mode']) ? ' selected="selected"' : '') . '>' . $this->lang_name($m_values['title']) . '</option>';
}
$template->assign_block_vars('m_names.modes', array(
'OPTION' => $m_mode,
'VALUE' => $this->lang_name($m_values['title']),
'A_OPTION' => addslashes($m_mode),
'A_VALUE' => addslashes($this->lang_name($m_values['title'])))
);
}
}
$s_cat_option = '<option value="0"' . (($module_data['parent_id'] == 0) ? ' selected="selected"' : '') . '>' . $user->lang['NO_PARENT'] . '</option>';
$template->assign_vars(array_merge(array(
'S_EDIT_MODULE' => true,
'S_IS_CAT' => $is_cat,
'S_CAT_OPTIONS' => $s_cat_option . $this->make_module_select($module_data['parent_id'], ($action == 'edit') ? $module_row['module_id'] : false, false, false, false, true),
'S_MODULE_NAMES' => $s_name_options,
'S_MODULE_MODES' => $s_mode_options,
'U_BACK' => $this->u_action . '&parent_id=' . $this->parent_id,
'U_EDIT_ACTION' => $this->u_action . '&parent_id=' . $this->parent_id,
'L_TITLE' => $user->lang[strtoupper($action) . '_MODULE'],
'MODULENAME' => $this->lang_name($module_data['module_langname']),
'ACTION' => $action,
'MODULE_ID' => $module_id,
),
array_change_key_case($module_data, CASE_UPPER))
);
if (sizeof($errors))
{
$template->assign_vars(array(
'S_ERROR' => true,
'ERROR_MSG' => implode('<br />', $errors))
);
}
return;
break;
}
// Default management page
if (sizeof($errors))
{
$template->assign_vars(array(
'S_ERROR' => true,
'ERROR_MSG' => implode('<br />', $errors))
);
}
if (!$this->parent_id)
{
$navigation = strtoupper($this->module_class);
}
else
{
$navigation = '<a href="' . $this->u_action . '">' . strtoupper($this->module_class) . '</a>';
$modules_nav = $this->get_module_branch($this->parent_id, 'parents', 'descending');
foreach ($modules_nav as $row)
{
$langname = $this->lang_name($row['module_langname']);
if ($row['module_id'] == $this->parent_id)
{
$navigation .= ' -> ' . $langname;
}
else
{
$navigation .= ' -> <a href="' . $this->u_action . '&parent_id=' . $row['module_id'] . '">' . $langname . '</a>';
}
}
}
// Jumpbox
$module_box = $this->make_module_select($this->parent_id, false, false, false, false);
$sql = 'SELECT *
FROM ' . MODULES_TABLE . "
WHERE parent_id = {$this->parent_id}
AND module_class = '" . $db->sql_escape($this->module_class) . "'
ORDER BY left_id";
$result = $db->sql_query($sql);
if ($row = $db->sql_fetchrow($result))
{
do
{
$langname = $this->lang_name($row['module_langname']);
if (!$row['module_enabled'])
{
$module_image = '<img src="images/icon_folder_lock.gif" alt="' . $user->lang['DEACTIVATED_MODULE'] .'" />';
}
else
{
$module_image = (!$row['module_basename'] || $row['left_id'] + 1 != $row['right_id']) ? '<img src="images/icon_subfolder.gif" alt="' . $user->lang['CATEGORY'] . '" />' : '<img src="images/icon_folder.gif" alt="' . $user->lang['MODULE'] . '" />';
}
$url = $this->u_action . '&parent_id=' . $this->parent_id . '&m=' . $row['module_id'];
$template->assign_block_vars('modules', array(
'MODULE_IMAGE' => $module_image,
'MODULE_TITLE' => $langname,
'MODULE_ENABLED' => ($row['module_enabled']) ? true : false,
'MODULE_DISPLAYED' => ($row['module_display']) ? true : false,
'S_ACP_CAT_SYSTEM' => ($this->module_class == 'acp' && $row['module_langname'] == 'ACP_CAT_SYSTEM') ? true : false,
'S_ACP_MODULE_MANAGEMENT' => ($this->module_class == 'acp' && ($row['module_basename'] == 'modules' || $row['module_langname'] == 'ACP_MODULE_MANAGEMENT')) ? true : false,
'U_MODULE' => $this->u_action . '&parent_id=' . $row['module_id'],
'U_MOVE_UP' => $url . '&action=move_up',
'U_MOVE_DOWN' => $url . '&action=move_down',
'U_EDIT' => $url . '&action=edit',
'U_DELETE' => $url . '&action=delete',
'U_ENABLE' => $url . '&action=enable',
'U_DISABLE' => $url . '&action=disable')
);
}
while ($row = $db->sql_fetchrow($result));
}
else if ($this->parent_id)
{
$row = $this->get_module_row($this->parent_id);
$url = $this->u_action . '&parent_id=' . $this->parent_id . '&m=' . $row['module_id'];
$template->assign_vars(array(
'S_NO_MODULES' => true,
'MODULE_TITLE' => $langname,
'MODULE_ENABLED' => ($row['module_enabled']) ? true : false,
'MODULE_DISPLAYED' => ($row['module_display']) ? true : false,
'U_EDIT' => $url . '&action=edit',
'U_DELETE' => $url . '&action=delete',
'U_ENABLE' => $url . '&action=enable',
'U_DISABLE' => $url . '&action=disable')
);
}
$db->sql_freeresult($result);
// Quick adding module
$module_infos = $this->get_module_infos();
// Build quick options
$s_install_options = '';
foreach ($module_infos as $option => $values)
{
// Name options
$s_install_options .= '<optgroup label="' . $this->lang_name($values['title']) . ' [' . $this->module_class . '_' . $option . ']">';
// Build module modes
foreach ($values['modes'] as $m_mode => $m_values)
{
$s_install_options .= '<option value="' . $option . '::' . $m_mode . '"> ' . $this->lang_name($m_values['title']) . '</option>';
}
$s_install_options .= '</optgroup>';
}
$template->assign_vars(array(
'U_SEL_ACTION' => $this->u_action,
'U_ACTION' => $this->u_action . '&parent_id=' . $this->parent_id,
'NAVIGATION' => $navigation,
'MODULE_BOX' => $module_box,
'PARENT_ID' => $this->parent_id,
'S_INSTALL_OPTIONS' => $s_install_options,
)
);
}
/**
* Get row for specified module
*/
function get_module_row($module_id)
{
global $db, $user;
$sql = 'SELECT *
FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND module_id = $module_id";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
trigger_error($user->lang['NO_MODULE'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
return $row;
}
/**
* Get available module information from module files
*/
function get_module_infos($module = '', $module_class = false)
{
global $phpbb_root_path, $phpEx;
$module_class = ($module_class === false) ? $this->module_class : $module_class;
$directory = $phpbb_root_path . 'includes/' . $module_class . '/info/';
$fileinfo = array();
if (!$module)
{
$dh = @opendir($directory);
if (!$dh)
{
return $fileinfo;
}
while (($file = readdir($dh)) !== false)
{
// Is module?
if (preg_match('/^' . $module_class . '_.+\.' . $phpEx . '$/', $file))
{
$class = str_replace(".$phpEx", '', $file) . '_info';
if (!class_exists($class))
{
include($directory . $file);
}
// Get module title tag
if (class_exists($class))
{
$c_class = new $class();
$module_info = $c_class->module();
$fileinfo[str_replace($module_class . '_', '', $module_info['filename'])] = $module_info;
}
}
}
closedir($dh);
ksort($fileinfo);
}
else
{
$filename = $module_class . '_' . basename($module);
$class = $module_class . '_' . basename($module) . '_info';
if (!class_exists($class))
{
include($directory . $filename . '.' . $phpEx);
}
// Get module title tag
if (class_exists($class))
{
$c_class = new $class();
$module_info = $c_class->module();
$fileinfo[str_replace($module_class . '_', '', $module_info['filename'])] = $module_info;
}
}
return $fileinfo;
}
/**
* Simple version of jumpbox, just lists modules
*/
function make_module_select($select_id = false, $ignore_id = false, $ignore_acl = false, $ignore_nonpost = false, $ignore_emptycat = true, $ignore_noncat = false)
{
global $db, $user, $auth, $config;
$sql = 'SELECT module_id, module_enabled, module_basename, parent_id, module_langname, left_id, right_id, module_auth
FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
ORDER BY left_id ASC";
$result = $db->sql_query($sql);
$right = $iteration = 0;
$padding_store = array('0' => '');
$module_list = $padding = '';
while ($row = $db->sql_fetchrow($result))
{
if ($row['left_id'] < $right)
{
$padding .= ' ';
$padding_store[$row['parent_id']] = $padding;
}
else if ($row['left_id'] > $right + 1)
{
$padding = (isset($padding_store[$row['parent_id']])) ? $padding_store[$row['parent_id']] : '';
}
$right = $row['right_id'];
if (!$ignore_acl && $row['module_auth'])
{
// We use zero as the forum id to check - global setting.
if (!p_master::module_auth($row['module_auth'], 0))
{
continue;
}
}
// ignore this module?
if ((is_array($ignore_id) && in_array($row['module_id'], $ignore_id)) || $row['module_id'] == $ignore_id)
{
continue;
}
// empty category
if (!$row['module_basename'] && ($row['left_id'] + 1 == $row['right_id']) && $ignore_emptycat)
{
continue;
}
// ignore non-category?
if ($row['module_basename'] && $ignore_noncat)
{
continue;
}
$selected = (is_array($select_id)) ? ((in_array($row['module_id'], $select_id)) ? ' selected="selected"' : '') : (($row['module_id'] == $select_id) ? ' selected="selected"' : '');
$langname = $this->lang_name($row['module_langname']);
$module_list .= '<option value="' . $row['module_id'] . '"' . $selected . ((!$row['module_enabled']) ? ' class="disabled"' : '') . '>' . $padding . $langname . '</option>';
$iteration++;
}
$db->sql_freeresult($result);
unset($padding_store);
return $module_list;
}
/**
* Get module branch
*/
function get_module_branch($module_id, $type = 'all', $order = 'descending', $include_module = true)
{
global $db;
switch ($type)
{
case 'parents':
$condition = 'm1.left_id BETWEEN m2.left_id AND m2.right_id';
break;
case 'children':
$condition = 'm2.left_id BETWEEN m1.left_id AND m1.right_id';
break;
default:
$condition = 'm2.left_id BETWEEN m1.left_id AND m1.right_id OR m1.left_id BETWEEN m2.left_id AND m2.right_id';
break;
}
$rows = array();
$sql = 'SELECT m2.*
FROM ' . MODULES_TABLE . ' m1
LEFT JOIN ' . MODULES_TABLE . " m2 ON ($condition)
WHERE m1.module_class = '" . $db->sql_escape($this->module_class) . "'
AND m2.module_class = '" . $db->sql_escape($this->module_class) . "'
AND m1.module_id = $module_id
ORDER BY m2.left_id " . (($order == 'descending') ? 'ASC' : 'DESC');
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
if (!$include_module && $row['module_id'] == $module_id)
{
continue;
}
$rows[] = $row;
}
$db->sql_freeresult($result);
return $rows;
}
/**
* Remove modules cache file
*/
function remove_cache_file()
{
global $cache;
// Sanitise for future path use, it's escaped as appropriate for queries
$p_class = str_replace(array('.', '/', '\\'), '', basename($this->module_class));
$cache->destroy('_modules_' . $p_class);
// Additionally remove sql cache
$cache->destroy('sql', MODULES_TABLE);
}
/**
* Return correct language name
*/
function lang_name($module_langname)
{
global $user;
return (!empty($user->lang[$module_langname])) ? $user->lang[$module_langname] : $module_langname;
}
/**
* Update/Add module
*
* @param bool $run_inline if set to true errors will be returned and no logs being written
*/
function update_module_data(&$module_data, $run_inline = false)
{
global $db, $user;
if (!isset($module_data['module_id']))
{
// no module_id means we're creating a new category/module
if ($module_data['parent_id'])
{
$sql = 'SELECT left_id, right_id
FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($module_data['module_class']) . "'
AND module_id = " . (int) $module_data['parent_id'];
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
if ($run_inline)
{
return 'PARENT_NO_EXIST';
}
trigger_error($user->lang['PARENT_NO_EXIST'] . adm_back_link($this->u_action . '&parent_id=' . $this->parent_id), E_USER_WARNING);
}
// Workaround
$row['left_id'] = (int) $row['left_id'];
$row['right_id'] = (int) $row['right_id'];
$sql = 'UPDATE ' . MODULES_TABLE . "
SET left_id = left_id + 2, right_id = right_id + 2
WHERE module_class = '" . $db->sql_escape($module_data['module_class']) . "'
AND left_id > {$row['right_id']}";
$db->sql_query($sql);
$sql = 'UPDATE ' . MODULES_TABLE . "
SET right_id = right_id + 2
WHERE module_class = '" . $db->sql_escape($module_data['module_class']) . "'
AND {$row['left_id']} BETWEEN left_id AND right_id";
$db->sql_query($sql);
$module_data['left_id'] = (int) $row['right_id'];
$module_data['right_id'] = (int) $row['right_id'] + 1;
}
else
{
$sql = 'SELECT MAX(right_id) AS right_id
FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($module_data['module_class']) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
$module_data['left_id'] = (int) $row['right_id'] + 1;
$module_data['right_id'] = (int) $row['right_id'] + 2;
}
$sql = 'INSERT INTO ' . MODULES_TABLE . ' ' . $db->sql_build_array('INSERT', $module_data);
$db->sql_query($sql);
$module_data['module_id'] = $db->sql_nextid();
if (!$run_inline)
{
add_log('admin', 'LOG_MODULE_ADD', $this->lang_name($module_data['module_langname']));
}
}
else
{
$row = $this->get_module_row($module_data['module_id']);
if ($module_data['module_basename'] && !$row['module_basename'])
{
// we're turning a category into a module
$branch = $this->get_module_branch($module_data['module_id'], 'children', 'descending', false);
if (sizeof($branch))
{
return array($user->lang['NO_CATEGORY_TO_MODULE']);
}
}
if ($row['parent_id'] != $module_data['parent_id'])
{
$this->move_module($module_data['module_id'], $module_data['parent_id']);
}
$update_ary = $module_data;
unset($update_ary['module_id']);
$sql = 'UPDATE ' . MODULES_TABLE . '
SET ' . $db->sql_build_array('UPDATE', $update_ary) . "
WHERE module_class = '" . $db->sql_escape($module_data['module_class']) . "'
AND module_id = " . (int) $module_data['module_id'];
$db->sql_query($sql);
if (!$run_inline)
{
add_log('admin', 'LOG_MODULE_EDIT', $this->lang_name($module_data['module_langname']));
}
}
return array();
}
/**
* Move module around the tree
*/
function move_module($from_module_id, $to_parent_id)
{
global $db;
$moved_modules = $this->get_module_branch($from_module_id, 'children', 'descending');
$from_data = $moved_modules[0];
$diff = sizeof($moved_modules) * 2;
$moved_ids = array();
for ($i = 0; $i < sizeof($moved_modules); ++$i)
{
$moved_ids[] = $moved_modules[$i]['module_id'];
}
// Resync parents
$sql = 'UPDATE ' . MODULES_TABLE . "
SET right_id = right_id - $diff
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND left_id < " . (int) $from_data['right_id'] . '
AND right_id > ' . (int) $from_data['right_id'];
$db->sql_query($sql);
// Resync righthand side of tree
$sql = 'UPDATE ' . MODULES_TABLE . "
SET left_id = left_id - $diff, right_id = right_id - $diff
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND left_id > " . (int) $from_data['right_id'];
$db->sql_query($sql);
if ($to_parent_id > 0)
{
$to_data = $this->get_module_row($to_parent_id);
// Resync new parents
$sql = 'UPDATE ' . MODULES_TABLE . "
SET right_id = right_id + $diff
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND " . (int) $to_data['right_id'] . ' BETWEEN left_id AND right_id
AND ' . $db->sql_in_set('module_id', $moved_ids, true);
$db->sql_query($sql);
// Resync the righthand side of the tree
$sql = 'UPDATE ' . MODULES_TABLE . "
SET left_id = left_id + $diff, right_id = right_id + $diff
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND left_id > " . (int) $to_data['right_id'] . '
AND ' . $db->sql_in_set('module_id', $moved_ids, true);
$db->sql_query($sql);
// Resync moved branch
$to_data['right_id'] += $diff;
if ($to_data['right_id'] > $from_data['right_id'])
{
$diff = '+ ' . ($to_data['right_id'] - $from_data['right_id'] - 1);
}
else
{
$diff = '- ' . abs($to_data['right_id'] - $from_data['right_id'] - 1);
}
}
else
{
$sql = 'SELECT MAX(right_id) AS right_id
FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND " . $db->sql_in_set('module_id', $moved_ids, true);
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
$diff = '+ ' . (int) ($row['right_id'] - $from_data['left_id'] + 1);
}
$sql = 'UPDATE ' . MODULES_TABLE . "
SET left_id = left_id $diff, right_id = right_id $diff
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND " . $db->sql_in_set('module_id', $moved_ids);
$db->sql_query($sql);
}
/**
* Remove module from tree
*/
function delete_module($module_id)
{
global $db, $user;
$row = $this->get_module_row($module_id);
$branch = $this->get_module_branch($module_id, 'children', 'descending', false);
if (sizeof($branch))
{
return array($user->lang['CANNOT_REMOVE_MODULE']);
}
// If not move
$diff = 2;
$sql = 'DELETE FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND module_id = $module_id";
$db->sql_query($sql);
$row['right_id'] = (int) $row['right_id'];
$row['left_id'] = (int) $row['left_id'];
// Resync tree
$sql = 'UPDATE ' . MODULES_TABLE . "
SET right_id = right_id - $diff
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND left_id < {$row['right_id']} AND right_id > {$row['right_id']}";
$db->sql_query($sql);
$sql = 'UPDATE ' . MODULES_TABLE . "
SET left_id = left_id - $diff, right_id = right_id - $diff
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND left_id > {$row['right_id']}";
$db->sql_query($sql);
add_log('admin', 'LOG_MODULE_REMOVED', $this->lang_name($row['module_langname']));
return array();
}
/**
* Move module position by $steps up/down
*/
function move_module_by($module_row, $action = 'move_up', $steps = 1)
{
global $db;
/**
* Fetch all the siblings between the module's current spot
* and where we want to move it to. If there are less than $steps
* siblings between the current spot and the target then the
* module will move as far as possible
*/
$sql = 'SELECT module_id, left_id, right_id, module_langname
FROM ' . MODULES_TABLE . "
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND parent_id = " . (int) $module_row['parent_id'] . '
AND ' . (($action == 'move_up') ? 'right_id < ' . (int) $module_row['right_id'] . ' ORDER BY right_id DESC' : 'left_id > ' . (int) $module_row['left_id'] . ' ORDER BY left_id ASC');
$result = $db->sql_query_limit($sql, $steps);
$target = array();
while ($row = $db->sql_fetchrow($result))
{
$target = $row;
}
$db->sql_freeresult($result);
if (!sizeof($target))
{
// The module is already on top or bottom
return false;
}
/**
* $left_id and $right_id define the scope of the nodes that are affected by the move.
* $diff_up and $diff_down are the values to substract or add to each node's left_id
* and right_id in order to move them up or down.
* $move_up_left and $move_up_right define the scope of the nodes that are moving
* up. Other nodes in the scope of ($left_id, $right_id) are considered to move down.
*/
if ($action == 'move_up')
{
$left_id = (int) $target['left_id'];
$right_id = (int) $module_row['right_id'];
$diff_up = (int) ($module_row['left_id'] - $target['left_id']);
$diff_down = (int) ($module_row['right_id'] + 1 - $module_row['left_id']);
$move_up_left = (int) $module_row['left_id'];
$move_up_right = (int) $module_row['right_id'];
}
else
{
$left_id = (int) $module_row['left_id'];
$right_id = (int) $target['right_id'];
$diff_up = (int) ($module_row['right_id'] + 1 - $module_row['left_id']);
$diff_down = (int) ($target['right_id'] - $module_row['right_id']);
$move_up_left = (int) ($module_row['right_id'] + 1);
$move_up_right = (int) $target['right_id'];
}
// Now do the dirty job
$sql = 'UPDATE ' . MODULES_TABLE . "
SET left_id = left_id + CASE
WHEN left_id BETWEEN {$move_up_left} AND {$move_up_right} THEN -{$diff_up}
ELSE {$diff_down}
END,
right_id = right_id + CASE
WHEN right_id BETWEEN {$move_up_left} AND {$move_up_right} THEN -{$diff_up}
ELSE {$diff_down}
END
WHERE module_class = '" . $db->sql_escape($this->module_class) . "'
AND left_id BETWEEN {$left_id} AND {$right_id}
AND right_id BETWEEN {$left_id} AND {$right_id}";
$db->sql_query($sql);
$this->remove_cache_file();
return $this->lang_name($target['module_langname']);
}
}
?>
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