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