97 lines
2.8 KiB
PHP
97 lines
2.8 KiB
PHP
<?php
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/**
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* Tabpage plugin: Shows links to children pages in the page menu
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*
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* @license BSD 2-Clause
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* @author Antoine Le Gonidec <vv221.dokuwiki@dotslashplay.it>
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*/
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// must be run within Dokuwiki
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if ( ! defined('DOKU_INC') ) {
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die();
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}
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use dokuwiki\plugin\childrenpages\MenuItem;
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class action_plugin_childrenpages extends DokuWiki_Action_Plugin {
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/**
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* Registers a callback function for a given event
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*
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* @param Doku_Event_Handler $controller
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*/
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public function register(Doku_Event_Handler $controller) : void {
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$controller->register_hook('MENU_ITEMS_ASSEMBLY', 'AFTER', $this, 'addMenuItems');
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}
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/**
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* Add new items to the page menu
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*
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* @param Doku_Event $event
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*/
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public function addMenuItems(Doku_Event $event) : void {
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// Check that this method has been called in the expected context
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if ( $event->name !== 'MENU_ITEMS_ASSEMBLY' ) {
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$message = "Tabpage plugin error:";
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$message .= "addMenuItem method should only be called by \"MENU_ITEMS_ASSEMBLY\" event";
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$message .= ", but it has been called by \"$event->name\".";
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throw new Exception($message);
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}
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// Only add content to the page menu
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if ( $event->data['view'] !== 'page' ) {
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return;
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}
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// Only add links if the current page is not included in a reserved namespace
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$children_types = $this->getConf('children_list');
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$top_namespace = $this->getTopLevelNamespace();
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if ( in_array($top_namespace, $children_types) ) {
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return;
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}
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// Add menu items for each child page
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foreach ( $children_types as $child_type ) {
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$child_label = $this->getLang("btn_$child_type");
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$this->addMenuItem($event, $child_type, $child_label);
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}
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}
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/**
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* Add a new item to the page menu
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*
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* @param Doku_Event $event
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* @param string $type
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* @param string $name
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*/
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protected function addMenuItem(Doku_Event $event, string $type, string $name = '') {
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$item = $this->generateMenuItem($type, $name);
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$event->data['items'][] = $item;
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}
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/**
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* Generate a new menu item
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*
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* @param string $type
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*/
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protected function generateMenuItem(string $type, string $name = '') {
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return new MenuItem($type, $name);
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}
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/**
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* Get the top level namespace for the current page
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* Exclude namespace added by the "translate" plugin
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*/
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protected function getTopLevelNamespace() : ?string {
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global $INFO;
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global $plugin_controller;
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if ( ! $plugin_controller->isdisabled('translate') ) {
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// Skip top-level namespace added by "translate" plugin
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$translate_plugin =& $plugin_controller->load('helper', 'translate');
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$language = $translate_plugin->getPageLanguage();
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if ( $language !== null && preg_match("/^$language:/", $INFO['id']) ) {
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return explode(':', $INFO['namespace'])[1];
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} else {
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return explode(':', $INFO['namespace'])[0];
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}
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} else {
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return explode(':', $INFO['namespace'])[0];
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}
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}
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}
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