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<?php
/**
* File holding the abstract Menu class
*
* This file is part of the MediaWiki skin Chameleon.
*
* @copyright 2013 - 2014, Stephan Gambke
* @license GNU General Public License, version 3 (or any later version)
*
* The Chameleon skin is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* The Chameleon skin is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @file
* @ingroup Skins
*/
namespace Skins\Chameleon\Menu;
/**
* Class Menu
*
* @author Stephan Gambke
* @since 1.0
* @ingroup Skins
*/
abstract class Menu {
private $menuItemFormatter = null;
private $itemListFormatter = null;
abstract public function getHtml();
/**
* @param string $href
* @param string $text
* @param int $depth
* @param string $subitems
*
* @return string
*/
protected function getHtmlForMenuItem( $href, $text, $depth, $subitems ) {
return call_user_func( $this->getMenuItemFormatter(), $href, $text, $depth, $subitems );
}
/**
* @return callable
*/
public function getMenuItemFormatter() {
if ( $this->menuItemFormatter === null ) {
$this->setMenuItemFormatter( function ( $href, $text, $depth, $subitems ) {
$href = \Sanitizer::cleanUrl( $href );
$text = htmlspecialchars( $text );
$indent = str_repeat( "\t", 2 * $depth );
if ( $subitems !== '' ) {
return "$indent<li>\n$indent\t<a href=\"$href\">$text</a>\n$subitems$indent</li>\n";
} else {
return "$indent<li><a href=\"$href\">$text</a></li>\n";
}
} );
}
return $this->menuItemFormatter;
}
/**
* @param callable $menuItemFormatter
*/
public function setMenuItemFormatter( $menuItemFormatter ) {
$this->menuItemFormatter = $menuItemFormatter;
}
/**
* @param string $rawItemsHtml
* @param int $depth
*
* @return string
*/
protected function getHtmlForMenuItemList( $rawItemsHtml, $depth ) {
return call_user_func( $this->getItemListFormatter(), $rawItemsHtml, $depth );
}
/**
* @return callable
*/
public function getItemListFormatter() {
if ( $this->itemListFormatter === null ) {
$this->setItemListFormatter( function ( $rawItemsHtml, $depth ) {
$indent = str_repeat( "\t", 2 * $depth + 1 );
return "$indent<ul>\n$rawItemsHtml$indent</ul>\n";
} );
}
return $this->itemListFormatter;
}
/**
* @param callable $itemListFormatter
*/
public function setItemListFormatter( $itemListFormatter ) {
$this->itemListFormatter = $itemListFormatter;
}
}
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