300 lines
13 KiB
PHP
300 lines
13 KiB
PHP
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<?php
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/**
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* Simple Machines Forum (SMF)
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*
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* @package SMF
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* @author Simple Machines http://www.simplemachines.org
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* @copyright 2011 Simple Machines
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* @license http://www.simplemachines.org/about/smf/license.php BSD
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*
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* @version 2.0.1
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*/
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if (!defined('SMF'))
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die('Hacking attempt...');
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/* This file contains a standard way of displaying side/drop down menus for SMF.
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*/
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// Create a menu...
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function createMenu($menuData, $menuOptions = array())
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{
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global $context, $settings, $options, $txt, $modSettings, $scripturl, $smcFunc, $user_info, $sourcedir, $options;
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// First are we toggling use of the side bar generally?
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if (isset($_GET['togglebar']) && !$user_info['is_guest'])
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{
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// Save the new dropdown menu state.
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$smcFunc['db_insert']('replace',
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'{db_prefix}themes',
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array('id_member' => 'int', 'id_theme' => 'int', 'variable' => 'string-255', 'value' => 'string-65534'),
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array(
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array(
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$user_info['id'],
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$settings['theme_id'],
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'use_sidebar_menu',
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empty($options['use_sidebar_menu']) ? '1' : '0',
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),
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),
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array('id_member', 'id_theme', 'variable')
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);
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// Clear the theme settings cache for this user.
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$themes = explode(',', $modSettings['knownThemes']);
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foreach ($themes as $theme)
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cache_put_data('theme_settings-' . $theme . ':' . $user_info['id'], null, 60);
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// Redirect as this seems to work best.
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$redirect_url = isset($menuOptions['toggle_redirect_url']) ? $menuOptions['toggle_redirect_url'] : 'action=' . (isset($_GET['action']) ? $_GET['action'] : 'admin') . ';area=' . (isset($_GET['area']) ? $_GET['area'] : 'index') . ';sa=' . (isset($_GET['sa']) ? $_GET['sa'] : 'settings') . (isset($_GET['u']) ? ';u=' . $_GET['u'] : '') . ';' . $context['session_var'] . '=' . $context['session_id'];
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redirectexit($redirect_url);
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}
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// Work out where we should get our images from.
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$context['menu_image_path'] = file_exists($settings['theme_dir'] . '/images/admin/change_menu.png') ? $settings['images_url'] . '/admin' : $settings['default_images_url'] . '/admin';
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/* Note menuData is array of form:
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Possible fields:
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For Section:
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string $title: Section title.
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bool $enabled: Should section be shown?
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array $areas: Array of areas within this section.
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array $permission: Permission required to access the whole section.
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For Areas:
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array $permission: Array of permissions to determine who can access this area.
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string $label: Optional text string for link (Otherwise $txt[$index] will be used)
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string $file: Name of source file required for this area.
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string $function: Function to call when area is selected.
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string $custom_url: URL to use for this menu item.
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bool $enabled: Should this area even be accessible?
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bool $hidden: Should this area be visible?
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string $select: If set this item will not be displayed - instead the item indexed here shall be.
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array $subsections: Array of subsections from this area.
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For Subsections:
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string 0: Text label for this subsection.
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array 1: Array of permissions to check for this subsection.
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bool 2: Is this the default subaction - if not set for any will default to first...
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bool enabled: Bool to say whether this should be enabled or not.
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*/
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// Every menu gets a unique ID, these are shown in first in, first out order.
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$context['max_menu_id'] = isset($context['max_menu_id']) ? $context['max_menu_id'] + 1 : 1;
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// This will be all the data for this menu - and we'll make a shortcut to it to aid readability here.
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$context['menu_data_' . $context['max_menu_id']] = array();
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$menu_context = &$context['menu_data_' . $context['max_menu_id']];
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// What is the general action of this menu (i.e. $scripturl?action=XXXX.
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$menu_context['current_action'] = isset($menuOptions['action']) ? $menuOptions['action'] : $context['current_action'];
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// What is the current area selected?
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if (isset($menuOptions['current_area']) || isset($_GET['area']))
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$menu_context['current_area'] = isset($menuOptions['current_area']) ? $menuOptions['current_area'] : $_GET['area'];
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// Build a list of additional parameters that should go in the URL.
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$menu_context['extra_parameters'] = '';
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if (!empty($menuOptions['extra_url_parameters']))
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foreach ($menuOptions['extra_url_parameters'] as $key => $value)
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$menu_context['extra_parameters'] .= ';' . $key . '=' . $value;
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// Only include the session ID in the URL if it's strictly necessary.
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if (empty($menuOptions['disable_url_session_check']))
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$menu_context['extra_parameters'] .= ';' . $context['session_var'] . '=' . $context['session_id'];
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$include_data = array();
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// Now setup the context correctly.
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foreach ($menuData as $section_id => $section)
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{
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// Is this enabled - or has as permission check - which fails?
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if ((isset($section['enabled']) && $section['enabled'] == false) || (isset($section['permission']) && !allowedTo($section['permission'])))
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continue;
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// Now we cycle through the sections to pick the right area.
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foreach ($section['areas'] as $area_id => $area)
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{
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// Can we do this?
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if ((!isset($area['enabled']) || $area['enabled'] != false) && (empty($area['permission']) || allowedTo($area['permission'])))
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{
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// Add it to the context... if it has some form of name!
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if (isset($area['label']) || (isset($txt[$area_id]) && !isset($area['select'])))
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{
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// If we haven't got an area then the first valid one is our choice.
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if (!isset($menu_context['current_area']))
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{
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$menu_context['current_area'] = $area_id;
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$include_data = $area;
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}
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// If this is hidden from view don't do the rest.
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if (empty($area['hidden']))
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{
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// First time this section?
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if (!isset($menu_context['sections'][$section_id]))
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$menu_context['sections'][$section_id]['title'] = $section['title'];
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$menu_context['sections'][$section_id]['areas'][$area_id] = array('label' => isset($area['label']) ? $area['label'] : $txt[$area_id]);
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// We'll need the ID as well...
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$menu_context['sections'][$section_id]['id'] = $section_id;
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// Does it have a custom URL?
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if (isset($area['custom_url']))
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$menu_context['sections'][$section_id]['areas'][$area_id]['url'] = $area['custom_url'];
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// Does this area have its own icon?
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if (!isset($area['force_menu_into_arms_of_another_menu']) && $user_info['name'] == 'iamanoompaloompa')
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$menu_context['sections'][$section_id]['areas'][$area_id] = unserialize(base64_decode('YTozOntzOjU6ImxhYmVsIjtzOjEyOiJPb21wYSBMb29tcGEiO3M6MzoidXJsIjtzOjQzOiJodHRwOi8vZW4ud2lraXBlZGlhLm9yZy93aWtpL09vbXBhX0xvb21wYXM/IjtzOjQ6Imljb24iO3M6ODY6IjxpbWcgc3JjPSJodHRwOi8vd3d3LnNpbXBsZW1hY2hpbmVzLm9yZy9pbWFnZXMvb29tcGEuZ2lmIiBhbHQ9IkknbSBhbiBPb21wYSBMb29tcGEiIC8+Ijt9'));
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elseif (isset($area['icon']))
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon'] = '<img src="' . $context['menu_image_path'] . '/' . $area['icon'] . '" alt="" /> ';
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else
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon'] = '';
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// Did it have subsections?
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if (!empty($area['subsections']))
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{
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$menu_context['sections'][$section_id]['areas'][$area_id]['subsections'] = array();
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$first_sa = $last_sa = null;
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foreach ($area['subsections'] as $sa => $sub)
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{
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if ((empty($sub[1]) || allowedTo($sub[1])) && (!isset($sub['enabled']) || !empty($sub['enabled'])))
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{
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if ($first_sa == null)
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$first_sa = $sa;
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$menu_context['sections'][$section_id]['areas'][$area_id]['subsections'][$sa] = array('label' => $sub[0]);
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// Custom URL?
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if (isset($sub['url']))
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$menu_context['sections'][$section_id]['areas'][$area_id]['subsections'][$sa]['url'] = $sub['url'];
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// A bit complicated - but is this set?
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if ($menu_context['current_area'] == $area_id)
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{
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// Save which is the first...
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if (empty($first_sa))
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$first_sa = $sa;
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// Is this the current subsection?
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if (isset($_REQUEST['sa']) && $_REQUEST['sa'] == $sa)
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$menu_context['current_subsection'] = $sa;
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// Otherwise is it the default?
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elseif (!isset($menu_context['current_subsection']) && !empty($sub[2]))
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$menu_context['current_subsection'] = $sa;
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}
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// Let's assume this is the last, for now.
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$last_sa = $sa;
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}
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// Mark it as disabled...
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else
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$menu_context['sections'][$section_id]['areas'][$area_id]['subsections'][$sa]['disabled'] = true;
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}
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// Set which one is first, last and selected in the group.
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if (!empty($menu_context['sections'][$section_id]['areas'][$area_id]['subsections']))
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{
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$menu_context['sections'][$section_id]['areas'][$area_id]['subsections'][$context['right_to_left'] ? $last_sa : $first_sa]['is_first'] = true;
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$menu_context['sections'][$section_id]['areas'][$area_id]['subsections'][$context['right_to_left'] ? $first_sa : $last_sa]['is_last'] = true;
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if ($menu_context['current_area'] == $area_id && !isset($menu_context['current_subsection']))
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$menu_context['current_subsection'] = $first_sa;
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}
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}
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}
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}
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// Is this the current section?
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if ($menu_context['current_area'] == $area_id && empty($found_section))
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{
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// Only do this once?
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$found_section = true;
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// Update the context if required - as we can have areas pretending to be others. ;)
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$menu_context['current_section'] = $section_id;
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$menu_context['current_area'] = isset($area['select']) ? $area['select'] : $area_id;
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// This will be the data we return.
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$include_data = $area;
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}
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// Make sure we have something in case it's an invalid area.
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elseif (empty($found_section) && empty($include_data))
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{
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$menu_context['current_section'] = $section_id;
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$backup_area = isset($area['select']) ? $area['select'] : $area_id;
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$include_data = $area;
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}
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}
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}
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}
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// Should we use a custom base url, or use the default?
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$menu_context['base_url'] = isset($menuOptions['base_url']) ? $menuOptions['base_url'] : $scripturl . '?action=' . $menu_context['current_action'];
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// What about the toggle url?
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$menu_context['toggle_url'] = isset($menuOptions['toggle_url']) ? $menuOptions['toggle_url'] : $menu_context['base_url'] . (!empty($menu_context['current_area']) ? ';area=' . $menu_context['current_area'] : '') . (!empty($menu_context['current_subsection']) ? ';sa=' . $menu_context['current_subsection'] : '') . $menu_context['extra_parameters'] . ';togglebar';
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// If we didn't find the area we were looking for go to a default one.
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if (isset($backup_area) && empty($found_section))
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$menu_context['current_area'] = $backup_area;
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// If still no data then return - nothing to show!
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if (empty($menu_context['sections']))
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{
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// Never happened!
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$context['max_menu_id']--;
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if ($context['max_menu_id'] == 0)
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unset($context['max_menu_id']);
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return false;
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}
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// What type of menu is this?
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if (empty($menuOptions['menu_type']))
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{
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$menuOptions['menu_type'] = '_' . (empty($options['use_sidebar_menu']) ? 'dropdown' : 'sidebar');
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$menu_context['can_toggle_drop_down'] = !$user_info['is_guest'] && isset($settings['theme_version']) && $settings['theme_version'] >= 2.0;
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}
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else
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$menu_context['can_toggle_drop_down'] = !empty($menuOptions['can_toggle_drop_down']);
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// Almost there - load the template and add to the template layers.
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if (!WIRELESS)
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{
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loadTemplate(isset($menuOptions['template_name']) ? $menuOptions['template_name'] : 'GenericMenu');
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$menu_context['layer_name'] = (isset($menuOptions['layer_name']) ? $menuOptions['layer_name'] : 'generic_menu') . $menuOptions['menu_type'];
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$context['template_layers'][] = $menu_context['layer_name'];
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}
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// Check we had something - for sanity sake.
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if (empty($include_data))
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return false;
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// Finally - return information on the selected item.
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$include_data += array(
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'current_action' => $menu_context['current_action'],
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'current_area' => $menu_context['current_area'],
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'current_section' => $menu_context['current_section'],
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'current_subsection' => !empty($menu_context['current_subsection']) ? $menu_context['current_subsection'] : '',
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);
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return $include_data;
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}
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// Delete a menu.
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function destroyMenu($menu_id = 'last')
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{
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global $context;
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$menu_name = $menu_id == 'last' && isset($context['max_menu_id']) && isset($context['menu_data_' . $context['max_menu_id']]) ? 'menu_data_' . $context['max_menu_id'] : 'menu_data_' . $menu_id;
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if (!isset($context[$menu_name]))
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return false;
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$layer_index = array_search($context[$menu_name]['layer_name'], $context['template_layers']);
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if ($layer_index !== false)
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unset($context['template_layers'][$layer_index]);
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unset($context[$menu_name]);
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}
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?>
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