193b8c351SAndreas Gohr<?php 293b8c351SAndreas Gohr 393b8c351SAndreas Gohrnamespace dokuwiki\Menu; 493b8c351SAndreas Gohr 5cbb44eabSAndreas Gohruse dokuwiki\Extension\Event; 693b8c351SAndreas Gohruse dokuwiki\Menu\Item\AbstractItem; 793b8c351SAndreas Gohr 8368ce258SAndreas Gohr/** 9368ce258SAndreas Gohr * Class AbstractMenu 10368ce258SAndreas Gohr * 11368ce258SAndreas Gohr * Basic menu functionality. A menu defines a list of AbstractItem that shall be shown. 12368ce258SAndreas Gohr * It contains convenience functions to display the menu in HTML, but template authors can also 13368ce258SAndreas Gohr * just accesst the items via getItems() and create the HTML as however they see fit. 14368ce258SAndreas Gohr */ 15*33b91513SAndreas Gohrabstract class AbstractMenu implements MenuInterface 16*33b91513SAndreas Gohr{ 1793b8c351SAndreas Gohr 1893b8c351SAndreas Gohr /** @var string[] list of Item classes to load */ 19*33b91513SAndreas Gohr protected $types = []; 2093b8c351SAndreas Gohr 2193b8c351SAndreas Gohr /** @var int the context this menu is used in */ 2293b8c351SAndreas Gohr protected $context = AbstractItem::CTX_DESKTOP; 2393b8c351SAndreas Gohr 2493b8c351SAndreas Gohr /** @var string view identifier to be set in the event */ 2593b8c351SAndreas Gohr protected $view = ''; 2693b8c351SAndreas Gohr 2793b8c351SAndreas Gohr /** 2893b8c351SAndreas Gohr * AbstractMenu constructor. 2993b8c351SAndreas Gohr * 3093b8c351SAndreas Gohr * @param int $context the context this menu is used in 3193b8c351SAndreas Gohr */ 32*33b91513SAndreas Gohr public function __construct($context = AbstractItem::CTX_DESKTOP) 33*33b91513SAndreas Gohr { 3493b8c351SAndreas Gohr $this->context = $context; 3593b8c351SAndreas Gohr } 3693b8c351SAndreas Gohr 3793b8c351SAndreas Gohr /** 3893b8c351SAndreas Gohr * Get the list of action items in this menu 3993b8c351SAndreas Gohr * 4093b8c351SAndreas Gohr * @return AbstractItem[] 4193b8c351SAndreas Gohr * @triggers MENU_ITEMS_ASSEMBLY 4293b8c351SAndreas Gohr */ 43*33b91513SAndreas Gohr public function getItems() 44*33b91513SAndreas Gohr { 45*33b91513SAndreas Gohr $data = ['view' => $this->view, 'items' => []]; 46*33b91513SAndreas Gohr Event::createAndTrigger('MENU_ITEMS_ASSEMBLY', $data, [$this, 'loadItems']); 4793b8c351SAndreas Gohr return $data['items']; 4893b8c351SAndreas Gohr } 4993b8c351SAndreas Gohr 5093b8c351SAndreas Gohr /** 5193b8c351SAndreas Gohr * Default action for the MENU_ITEMS_ASSEMBLY event 5293b8c351SAndreas Gohr * 5393b8c351SAndreas Gohr * @param array $data The plugin data 54*33b91513SAndreas Gohr * @see getItems() 5593b8c351SAndreas Gohr */ 56*33b91513SAndreas Gohr public function loadItems(&$data) 57*33b91513SAndreas Gohr { 5893b8c351SAndreas Gohr foreach ($this->types as $class) { 5993b8c351SAndreas Gohr try { 6093b8c351SAndreas Gohr $class = "\\dokuwiki\\Menu\\Item\\$class"; 6193b8c351SAndreas Gohr /** @var AbstractItem $item */ 6293b8c351SAndreas Gohr $item = new $class(); 6393b8c351SAndreas Gohr if (!$item->visibleInContext($this->context)) continue; 64e6bd4c92SAndreas Gohr $data['items'][] = $item; 6593b8c351SAndreas Gohr } catch (\RuntimeException $ignored) { 6693b8c351SAndreas Gohr // item not available 6793b8c351SAndreas Gohr } 6893b8c351SAndreas Gohr } 6993b8c351SAndreas Gohr } 7093b8c351SAndreas Gohr 7193b8c351SAndreas Gohr /** 7293b8c351SAndreas Gohr * Generate HTML list items for this menu 7393b8c351SAndreas Gohr * 7493b8c351SAndreas Gohr * This is a convenience method for template authors. If you need more fine control over the 7593b8c351SAndreas Gohr * output, use getItems() and build the HTML yourself 7693b8c351SAndreas Gohr * 7793b8c351SAndreas Gohr * @param string|false $classprefix create a class from type with this prefix, false for no class 782f7a5efdSAndreas Gohr * @param bool $svg add the SVG link 79c2b9771aSAndreas Gohr * @return string 8093b8c351SAndreas Gohr */ 81*33b91513SAndreas Gohr public function getListItems($classprefix = '', $svg = true) 82*33b91513SAndreas Gohr { 8393b8c351SAndreas Gohr $html = ''; 8493b8c351SAndreas Gohr foreach ($this->getItems() as $item) { 8593b8c351SAndreas Gohr if ($classprefix !== false) { 8693b8c351SAndreas Gohr $class = ' class="' . $classprefix . $item->getType() . '"'; 8793b8c351SAndreas Gohr } else { 8893b8c351SAndreas Gohr $class = ''; 8993b8c351SAndreas Gohr } 9093b8c351SAndreas Gohr 9193b8c351SAndreas Gohr $html .= "<li$class>"; 922f7a5efdSAndreas Gohr $html .= $item->asHtmlLink(false, $svg); 9393b8c351SAndreas Gohr $html .= '</li>'; 9493b8c351SAndreas Gohr } 95c2b9771aSAndreas Gohr return $html; 9693b8c351SAndreas Gohr } 9793b8c351SAndreas Gohr 9893b8c351SAndreas Gohr} 99