364 lines
No EOL
16 KiB
PHP
364 lines
No EOL
16 KiB
PHP
<?php
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/**
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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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* Simple Machines Forum (SMF)
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*
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* @package SMF
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* @author Simple Machines https://www.simplemachines.org
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* @copyright 2023 Simple Machines and individual contributors
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* @license https://www.simplemachines.org/about/smf/license.php BSD
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*
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* @version 2.1.4
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*/
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if (!defined('SMF'))
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die('No direct access...');
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/**
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* Create a menu.
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*
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* @param array $menuData An array of menu data
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* @param array $menuOptions An array of menu options
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* @return boolean|array False if nothing to show or an array of info about the selected menu item
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*/
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function createMenu($menuData, $menuOptions = array())
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{
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global $smcFunc, $context, $settings, $txt, $scripturl, $user_info;
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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'] : $context['current_action'];
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/* Allow extending *any* menu with a single hook.
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For the sake of people searching for specific hooks, here are some common examples:
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integrate_admin_areas
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integrate_moderate_areas
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integrate_pm_areas
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*/
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if (!empty($menu_context['current_action']) && empty($menuOptions['disable_hook_call']))
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call_integration_hook('integrate_' . $menu_context['current_action'] . '_areas', array(&$menuData));
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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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$menu_context['sections'] = array();
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// Now setup the context correctly.
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foreach ($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'] = $section['title'];
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// Is there a counter amount to show for this section?
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if (!empty($section['amt']))
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$menu_context['sections'][$section_id]['amt'] = $section['amt'];
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$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'] = $area['custom_url'];
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// Is there a counter amount to show for this area?
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if (!empty($area['amt']))
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$menu_context['sections'][$section_id]['areas'][$area_id]['amt'] = $area['amt'];
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// Does this area have its own icon?
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if (!isset($area['force_menu_into_arms_of_another_menu']) && $user_info['name'] == 'iamanoompaloompa')
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{
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$menu_context['sections'][$section_id]['areas'][$area_id] = $smcFunc['json_decode'](base64_decode('eyJsYWJlbCI6Ik9vbXBhIExvb21wYSIsInVybCI6Imh0dHBzOlwvXC9lbi53aWtpcGVkaWEub3JnXC93aWtpXC9Pb21wYV9Mb29tcGFzPyIsImljb24iOiI8aW1nIHNyYz1cImh0dHBzOlwvXC93d3cuc2ltcGxlbWFjaGluZXMub3JnXC9pbWFnZXNcL29vbXBhLmdpZlwiIGFsdD1cIkknbSBhbiBPb21wYSBMb29tcGFcIiBcLz4ifQ=='), true);
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}
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elseif (isset($area['icon']))
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{
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if (file_exists($settings['theme_dir'] . '/images/admin/' . $area['icon']))
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{
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon'] = '<img src="' . $settings['images_url'] . '/admin/' . $area['icon'] . '" alt="">';
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}
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elseif (file_exists($settings['default_theme_dir'] . '/images/admin/' . $area['icon']))
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{
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon'] = '<img src="' . $settings['default_images_url'] . '/admin/' . $area['icon'] . '" alt="">';
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}
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else
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon'] = '<span class="main_icons ' . $area['icon'] . '"></span>';
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}
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else
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon'] = '<span class="main_icons ' . $area_id . '"></span>';
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if (isset($area['icon_class']) && empty($menu_context['sections'][$section_id]['areas'][$area_id]['icon']))
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{
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon_class'] = $menu_context['current_action'] . '_menu_icon ' . $area['icon_class'];
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}
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elseif (isset($area['icon']))
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{
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if (substr($area['icon'], -4) === '.png' || substr($area['icon'], -4) === '.gif')
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{
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if (file_exists($settings['theme_dir'] . '/images/admin/big/' . $area['icon']))
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{
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon_file'] = $settings['theme_url'] . '/images/admin/big/' . $area['icon'];
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}
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elseif (file_exists($settings['default_theme_dir'] . '/images/admin/big/' . $area['icon']))
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{
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon_file'] = $settings['default_theme_url'] . '/images/admin/big/' . $area['icon'];
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}
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}
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon_class'] = $menu_context['current_action'] . '_menu_icon ' . str_replace(array('.png', '.gif'), '', $area['icon']);
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}
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else
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$menu_context['sections'][$section_id]['areas'][$area_id]['icon_class'] = $menu_context['current_action'] . '_menu_icon ' . str_replace(array('.png', '.gif'), '', $area_id);
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// This is a shortcut for Font-Icon users so they don't have to re-do whole CSS.
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$menu_context['sections'][$section_id]['areas'][$area_id]['plain_class'] = !empty($area['icon']) ? $area['icon'] : '';
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// Some areas may be listed but not active, which we show as greyed out.
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$menu_context['sections'][$section_id]['areas'][$area_id]['inactive'] = !empty($area['inactive']);
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// Did it have subsections?
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if (!empty($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'] = $sub['url'];
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// Is there a counter amount to show for this subsection?
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if (!empty($sub['amt']))
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$menu_context['sections'][$section_id]['areas'][$area_id]['subsections'][$sa]['amt'] = $sub['amt'];
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// A bit complicated - but is this set?
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if ($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 = $area;
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}
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}
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}
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}
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foreach ($menu_context['sections'] as $section_id => $section)
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{
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if (!empty($section['areas']))
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{
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foreach ($section['areas'] as $area_id => $area)
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{
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if (!empty($area['subsections']))
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{
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$menu_context['sections'][$section_id]['areas'][$area_id]['hide_subsections'] = true;
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foreach ($area['subsections'] as $sa => $sub)
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$menu_context['sections'][$section_id]['areas'][$area_id]['hide_subsections'] &= !empty($sub['disabled']);
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}
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}
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}
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}
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// Should we use a custom base url, or use the default?
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$menu_context['base_url'] = isset($menuOptions['base_url']) ? $menuOptions['base_url'] : $scripturl . '?action=' . $menu_context['current_action'];
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// If we didn't find the area we were looking for go to a default one.
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if (isset($backup_area) && empty($found_section))
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$menu_context['current_area'] = $backup_area;
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// If there are sections quickly goes through all the sections to check if the base menu has an url
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if (!empty($menu_context['current_section']))
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{
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$menu_context['sections'][$menu_context['current_section']]['selected'] = true;
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$menu_context['sections'][$menu_context['current_section']]['areas'][$menu_context['current_area']]['selected'] = true;
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if (!empty($menu_context['sections'][$menu_context['current_section']]['areas'][$menu_context['current_area']]['subsections'][$context['current_subaction']]))
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$menu_context['sections'][$menu_context['current_section']]['areas'][$menu_context['current_area']]['subsections'][$context['current_subaction']]['selected'] = true;
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foreach ($menu_context['sections'] as $section_id => $section)
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foreach ($section['areas'] as $area_id => $area)
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{
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if (!isset($menu_context['sections'][$section_id]['url']))
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{
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$menu_context['sections'][$section_id]['url'] = isset($area['url']) ? $area['url'] : $menu_context['base_url'] . ';area=' . $area_id;
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break;
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}
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}
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}
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// If still no data then return - nothing to show!
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if (empty($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($context['max_menu_id']);
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return false;
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}
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// Almost there - load the template and add to the template layers.
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loadTemplate(isset($menuOptions['template_name']) ? $menuOptions['template_name'] : 'GenericMenu');
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$menu_context['layer_name'] = (isset($menuOptions['layer_name']) ? $menuOptions['layer_name'] : 'generic_menu') . '_dropdown';
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$context['template_layers'][] = $menu_context['layer_name'];
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// Check we had something - for sanity sake.
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if (empty($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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/**
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* Delete a menu.
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*
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* @param string $menu_id The ID of the menu to destroy or 'last' for the most recent one
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* @return bool|void False if the menu doesn't exist, nothing otherwise
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*/
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function destroyMenu($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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