includes/skins/SkinFallbackTemplate.php

   1 <?php
   2
   3 /**
   4  * Skin template for the fallback skin.
   5  *
   6  * The structure is copied from the example skin (mediawiki/skins/Example).
   7  *
   8  * @since 1.24
   9  * @file
  10  */
  11
  12 use MediaWiki\MediaWikiServices;
  13
  14 /**
  15  * BaseTemplate class for the fallback skin
  16  */
  17 class SkinFallbackTemplate extends BaseTemplate {
  18         /**
  19          * @return array
  20          */
  21         private function findInstalledSkins() {
  22                 $styleDirectory = $this->config->get( 'StyleDirectory' );
  23                 // Get all subdirectories which might contains skins
  24                 $possibleSkins = scandir( $styleDirectory );
  25                 $possibleSkins = array_filter( $possibleSkins, function ( $maybeDir ) use ( $styleDirectory ) {
  26                         return $maybeDir !== '.' && $maybeDir !== '..' && is_dir( "$styleDirectory/$maybeDir" );
  27                 } );
  28
  29                 // Filter out skins that aren't installed
  30                 $possibleSkins = array_filter( $possibleSkins, function ( $skinDir ) use ( $styleDirectory ) {
  31                         return is_file( "$styleDirectory/$skinDir/skin.json" )
  32                                 || is_file( "$styleDirectory/$skinDir/$skinDir.php" );
  33                 } );
  34
  35                 return $possibleSkins;
  36         }
  37
  38         /**
  39          * Inform the user why they are seeing this skin.
  40          *
  41          * @return string
  42          */
  43         private function buildHelpfulInformationMessage() {
  44                 $defaultSkin = $this->config->get( 'DefaultSkin' );
  45                 $installedSkins = $this->findInstalledSkins();
  46                 $skinFactory = MediaWikiServices::getInstance()->getSkinFactory();
  47                 $enabledSkins = $skinFactory->getSkinNames();
  48                 $enabledSkins = array_change_key_case( $enabledSkins, CASE_LOWER );
  49
  50                 if ( $installedSkins ) {
  51                         $skinsInstalledText = [];
  52                         $skinsInstalledSnippet = [];
  53
  54                         foreach ( $installedSkins as $skin ) {
  55                                 $normalizedKey = strtolower( $skin );
  56                                 $isEnabled = array_key_exists( $normalizedKey, $enabledSkins );
  57                                 if ( $isEnabled ) {
  58                                         $skinsInstalledText[] = $this->getMsg( 'default-skin-not-found-row-enabled' )
  59                                                 ->params( $normalizedKey, $skin )->plain();
  60                                 } else {
  61                                         $skinsInstalledText[] = $this->getMsg( 'default-skin-not-found-row-disabled' )
  62                                                 ->params( $normalizedKey, $skin )->plain();
  63                                         $skinsInstalledSnippet[] = $this->getSnippetForSkin( $skin );
  64                                 }
  65                         }
  66
  67                         return $this->getMsg( 'default-skin-not-found' )->params(
  68                                 $defaultSkin,
  69                                 implode( "\n", $skinsInstalledText ),
  70                                 implode( "\n", $skinsInstalledSnippet ) )->numParams(
  71                                         count( $skinsInstalledText ),
  72                                         count( $skinsInstalledSnippet )
  73                         )->parseAsBlock();
  74                 } else {
  75                         return $this->getMsg( 'default-skin-not-found-no-skins' )->params(
  76                                 $defaultSkin
  77                         )->parseAsBlock();
  78                 }
  79         }
  80
  81         /**
  82          * Get the appropriate LocalSettings.php snippet to enable the given skin
  83          *
  84          * @param string $skin
  85          * @return string
  86          */
  87         private function getSnippetForSkin( $skin ) {
  88                 global $IP;
  89                 if ( file_exists( "$IP/skins/$skin/skin.json" ) ) {
  90                         return "wfLoadSkin( '$skin' );";
  91                 } else {
  92                         return "require_once \"\$IP/skins/$skin/$skin.php\";";
  93                 }
  94         }
  95
  96         /**
  97          * Outputs the entire contents of the page. No navigation (other than search box), just the big
  98          * warning message and page content.
  99          */
 100         public function execute() {
 101                 $this->html( 'headelement' );
 102                 echo Html::warningBox( $this->buildHelpfulInformationMessage() );
 103         ?>
 104                 <form action="<?php $this->text( 'wgScript' ) ?>">
 105                         <input type="hidden" name="title" value="<?php $this->text( 'searchtitle' ) ?>" />
 106                         <h3><label for="searchInput"><?php $this->msg( 'search' ) ?></label></h3>
 107                         <?php echo $this->makeSearchInput( [ "id" => "searchInput" ] ) ?>
 108                         <?php echo $this->makeSearchButton( 'go' ) ?>
 109                 </form>
 110
 111                 <div class="mw-body" role="main">
 112                         <h1 class="firstHeading"><?php $this->html( 'title' ) ?></h1>
 113
 114                         <div class="mw-body-content">
 115                                 <?php $this->html( 'bodytext' ) ?>
 116                                 <?php $this->html( 'catlinks' ) ?>
 117                         </div>
 118                 </div>
 119
 120                 <?php $this->printTrail() ?>
 121                 </body></html>
 122
 123         <?php
 124         }
 125 }