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<?php
/**
* File holding the NavMenu class
*
* This file is part of the MediaWiki skin Chameleon.
*
* @copyright 2013 - 2017, 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\Components;
use Linker;
use Skins\Chameleon\IdRegistry;
/**
* The NavMenu class.
*
* @author Stephan Gambke
* @since 1.0
* @ingroup Skins
*/
class NavMenu extends Component {
/**
* Builds the HTML code for this component
*
* @return string the HTML code
*/
public function getHtml() {
$ret = '';
$sidebar = $this->getSkinTemplate()->getSidebar( array(
'search' => false, 'toolbox' => $this->showTools(), 'languages' => $this->showLanguages()
)
);
$flatten = $this->getMenusToBeFlattened();
// create a dropdown for each sidebar box
foreach ( $sidebar as $menuName => $menuDescription ) {
$ret .= $this->getDropdownForNavMenu( $menuName, $menuDescription, array_search( $menuName, $flatten ) !== false );
}
return $ret;
}
/**
* @return bool
*/
private function showLanguages() {
return $this->getDomElement() !== null &&
filter_var( $this->getDomElement()->getAttribute( 'showLanguages' ), FILTER_VALIDATE_BOOLEAN );
}
/**
* @return bool
*/
private function showTools() {
return $this->getDomElement() !== null &&
filter_var( $this->getDomElement()->getAttribute( 'showTools' ), FILTER_VALIDATE_BOOLEAN );
}
/**
* Create a single dropdown
*
* @param string $menuName
* @param mixed[] $menuDescription
* @param bool $flatten
*
* @return string
*/
protected function getDropdownForNavMenu( $menuName, $menuDescription, $flatten = false ) {
// open list item containing the dropdown
$ret = $this->indent() . '<!-- ' . $menuName . ' -->';
if ( $flatten ) {
$ret .= $this->buildMenuItemsForDropdownMenu( $menuDescription );
} elseif ( !$this->hasSubmenuItems( $menuDescription ) ) {
$ret .= $this->buildDropdownMenuStub( $menuDescription );
} else {
$ret .= $this->buildDropdownOpeningTags( $menuDescription ) .
$this->buildMenuItemsForDropdownMenu( $menuDescription, 2 ) .
$this->buildDropdownClosingTags();
}
return $ret;
}
/**
* @param mixed[] $menuDescription
* @param int $indent
*
* @return string
*/
protected function buildMenuItemsForDropdownMenu( $menuDescription, $indent = 0 ) {
// build the list of submenu items
if ( $this->hasSubmenuItems( $menuDescription ) ) {
$menuitems = '';
$this->indent( $indent );
foreach ( $menuDescription['content'] as $key => $item ) {
$menuitems .= $this->indent() . $this->getSkinTemplate()->makeListItem( $key, $item );
}
$this->indent( - $indent );
return $menuitems;
} else {
return $this->indent() . '<!-- empty -->';
}
}
/**
* @param mixed[] $menuDescription
*
* @return bool
*/
protected function hasSubmenuItems( $menuDescription ) {
return is_array( $menuDescription['content'] ) && count( $menuDescription['content'] ) > 0;
}
/**
* @param mixed[] $menuDescription
*
* @return string
*/
protected function buildDropdownMenuStub( $menuDescription ) {
return
$this->indent() . \Html::rawElement( 'li',
array(
'class' => '',
'title' => Linker::titleAttrib( $menuDescription[ 'id' ] )
),
'<a href="#">' . htmlspecialchars( $menuDescription[ 'header' ] ) . '</a>'
);
}
/**
* @param mixed[] $menuDescription
*
* @return string
*/
protected function buildDropdownOpeningTags( $menuDescription ) {
// open list item containing the dropdown
$ret = $this->indent() . \Html::openElement( 'li',
array(
'class' => 'dropdown',
'title' => Linker::titleAttrib( $menuDescription['id'] ),
) );
// add the dropdown toggle
$ret .= $this->indent( 1 ) . '<a href="#" class="dropdown-toggle" data-toggle="dropdown">' .
htmlspecialchars( $menuDescription['header'] ) . ' <b class="caret"></b></a>';
// open list of dropdown menu items
$ret .= $this->indent() .
$this->indent() . \Html::openElement( 'ul',
array(
'class' => 'dropdown-menu ' . $menuDescription[ 'id' ],
'id' => IdRegistry::getRegistry()->getId( $menuDescription[ 'id' ] ),
)
);
return $ret;
}
/**
* @return string
*/
protected function buildDropdownClosingTags() {
return $this->indent() . '</ul>' . $this->indent( - 1 ) . '</li>';
}
/**
* @return string[]
*/
public function getMenusToBeFlattened() {
$msg = \Message::newFromKey( 'skin-chameleon-navmenu-flatten' );
if ( $msg->exists() ) {
$flatten = array_map( 'trim', explode( ';', $msg->plain() ) );
} elseif ( $this->getDomElement() !== null ) {
$flatten =
array_map( 'trim',
explode( ';', $this->getDomElement()->getAttribute( 'flatten' ) ) );
} else {
$flatten = array();
}
return $flatten;
}
}
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