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<?php |
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/** |
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* File holding the MenuFromLines class |
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* |
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* This file is part of the MediaWiki skin Chameleon. |
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* |
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* @copyright 2013 - 2015, Stephan Gambke |
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* @license GNU General Public License, version 3 (or any later version) |
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* |
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* The Chameleon skin is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by the Free |
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* Software Foundation, either version 3 of the License, or (at your option) any |
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* later version. |
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* |
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* The Chameleon skin is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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* details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* @file |
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* @ingroup Skins |
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*/ |
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namespace Skins\Chameleon\Menu; |
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use Title; |
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/** |
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* Class MenuFromLines |
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* |
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* @author Stephan Gambke |
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* @since 1.0 |
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* @ingroup Skins |
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*/ |
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class MenuFromLines extends Menu { |
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private $lines = null; |
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private $inContentLanguage = false; |
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private $menuItemData = null; |
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private $needsParse = true; |
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/** @var Menu[] */ |
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private $children = array(); |
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private $html = null; |
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/** |
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* @param string[] $lines |
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* @param bool $inContentLanguage |
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* @param null|string[] $itemData |
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*/ |
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public function __construct( &$lines, $inContentLanguage = false, $itemData = null ) { |
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$this->lines = &$lines; |
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$this->inContentLanguage = $inContentLanguage; |
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if ( $itemData !== null ) { |
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$this->menuItemData = $itemData; |
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} else { |
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$this->menuItemData = array( |
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'text' => '', |
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'href' => '#', |
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'depth' => 0 |
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); |
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} |
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2 |
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} |
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/** |
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* @return string |
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*/ |
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public function getHtml() { |
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if ( $this->html === null ) { |
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$this->parseLines(); |
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$this->html = $this->buildHtml(); |
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} |
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return $this->html; |
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} |
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/** |
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* @return string[]|null |
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*/ |
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public function parseLines() { |
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if ( !$this->needsParse ) { |
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return null; |
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} |
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$this->needsParse = false; |
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$line = $this->getNextLine(); |
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$subItemData = $this->parseOneLine( $line ); |
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while ( $subItemData !== null && $subItemData[ 'depth' ] > $this->menuItemData[ 'depth' ] ) { |
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$subItemData = $this->createChildAndParseNextLine( $subItemData ); |
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} |
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return $subItemData; |
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} |
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/** |
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* @return string |
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*/ |
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1 |
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protected function getNextLine() { |
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$line = ''; |
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while ( count( $this->lines ) > 0 && empty( $line ) ) { |
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$line = trim( array_shift( $this->lines ) ); |
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}; |
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return $line; |
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} |
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/** |
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* Will return an array of the form |
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* array( |
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* 'text' => $text, // link text |
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* 'href' => $href, // parsed link target |
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* 'depth' => $depth |
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* ); |
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* |
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* @param string $rawLine |
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* |
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* @return array |
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*/ |
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protected function parseOneLine( $rawLine ) { |
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if ( empty( $rawLine ) ) { |
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return null; |
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} |
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list( $depth, $linkDescription ) = $this->extractDepthAndLine( $rawLine ); |
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list( $href, $text ) = $this->extractHrefAndLinkText( $linkDescription ); |
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return array( |
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'text' => $text, |
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'href' => $href, |
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'depth' => $depth |
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); |
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} |
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/** |
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* @param string $rawLine |
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* |
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* @return array |
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*/ |
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protected function extractDepthAndLine( $rawLine ) { |
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$matches = array(); |
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preg_match( '/(\**)(.*)/', ltrim( $rawLine ), $matches ); |
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$depth = strlen( $matches[ 1 ] ); |
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$line = $matches[ 2 ]; |
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return array( $depth, $line ); |
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} |
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/** |
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* @param $linkDescription |
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* |
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* @return array |
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*/ |
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protected function extractHrefAndLinkText( $linkDescription ) { |
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$linkAttributes = array_map( 'trim', explode( '|', $linkDescription, 2 ) ); |
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$linkTarget = trim( trim( $linkAttributes[ 0 ], '[]' ) ); |
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$linkTarget = $this->getTextFromMessageName( $linkTarget ); |
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$href = $this->getHrefForTarget( $linkTarget ); |
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$linkDescription = count( $linkAttributes ) > 1 ? $linkAttributes[ 1 ] : ''; |
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$text = $linkDescription === '' ? $linkTarget : $this->getTextFromMessageName( $linkDescription ); |
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return array( $href, $text ); |
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} |
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/** |
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* @param string $messageName |
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* |
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* @return string |
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*/ |
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protected function getTextFromMessageName( $messageName ) { |
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$msgObj = $this->inContentLanguage ? wfMessage( $messageName )->inContentLanguage() : wfMessage( $messageName ); |
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$messageText = ( $msgObj->isDisabled() ? $messageName : trim( $msgObj->inContentLanguage()->text() ) ); |
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return $messageText; |
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} |
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/** |
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* @param string $linkTarget |
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* |
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* @return string |
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* @throws \MWException |
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*/ |
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protected function getHrefForTarget( $linkTarget ) { |
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if ( empty( $linkTarget ) ) { |
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return '#'; |
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} elseif ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $linkTarget ) || $linkTarget[ 0 ] === '#' ) { |
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return $linkTarget; |
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} else { |
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return $this->getHrefForWikiPage( $linkTarget ); |
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} |
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} |
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/** |
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* @param string $linkTarget |
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* |
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* @return string |
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* @throws \MWException |
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*/ |
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protected function getHrefForWikiPage( $linkTarget ) { |
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$title = Title::newFromText( $linkTarget ); |
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if ( $title instanceof Title ) { |
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return $title->fixSpecialName()->getLocalURL(); |
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} |
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return '#'; |
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} |
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/** |
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* @param string[] $subItemData |
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* |
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* @return null|string[] |
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*/ |
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protected function createChildAndParseNextLine( $subItemData ) { |
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$child = new self( $this->lines, $this->inContentLanguage, $subItemData ); |
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$child->setMenuItemFormatter( $this->getMenuItemFormatter() ); |
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$child->setItemListFormatter( $this->getItemListFormatter() ); |
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$subItemData = $child->parseLines(); |
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$this->children[ ] = $child; |
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return $subItemData; |
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} |
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/** |
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* @return string |
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*/ |
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protected function buildHtml() { |
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$submenuHtml = $this->buildSubmenuHtml(); |
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if ( $this->menuItemData[ 'text' ] !== '' ) { |
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return $this->getHtmlForMenuItem( $this->menuItemData[ 'href' ], $this->menuItemData[ 'text' ], $this->menuItemData[ 'depth' ], $submenuHtml ); |
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} else { |
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return $submenuHtml; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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protected function buildSubmenuHtml() { |
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if ( empty( $this->children ) ) { |
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return ''; |
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} |
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$itemList = ''; |
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foreach ( $this->children as $child ) { |
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$itemList .= $child->getHtml(); |
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} |
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return $this->getHtmlForMenuItemList( $itemList, $this->menuItemData[ 'depth' ] ); |
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} |
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} |
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wikimedia /
mediawiki-skins-chameleon
