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 ( $styleDirectory ) {
  29                         return
  30                                 is_file( "$styleDirectory/$skinDir/skin.json" )
  31                                 || is_file( "$styleDirectory/$skinDir/$skinDir.php" );
  32                 } );
  33
  34                 return $possibleSkins;
  35         }
  36
  37         /**
  38          * Inform the user why they are seeing this skin.
  39          *
  40          * @return string
  41          */
  42         private function buildHelpfulInformationMessage() {
  43                 $defaultSkin = $this->config->get( 'DefaultSkin' );
  44                 $installedSkins = $this->findInstalledSkins();
  45                 $enabledSkins = SkinFactory::getDefaultInstance()->getSkinNames();
  46                 $enabledSkins = array_change_key_case( $enabledSkins, CASE_LOWER );
  47
  48                 if ( $installedSkins ) {
  49                         $skinsInstalledText = [];
  50                         $skinsInstalledSnippet = [];
  51
  52                         foreach ( $installedSkins as $skin ) {
  53                                 $normalizedKey = strtolower( $skin );
  54                                 $isEnabled = array_key_exists( $normalizedKey, $enabledSkins );
  55                                 if ( $isEnabled ) {
  56                                         $skinsInstalledText[] = $this->getMsg( 'default-skin-not-found-row-enabled' )
  57                                                 ->params( $normalizedKey, $skin )->plain();
  58                                 } else {
  59                                         $skinsInstalledText[] = $this->getMsg( 'default-skin-not-found-row-disabled' )
  60                                                 ->params( $normalizedKey, $skin )->plain();
  61                                         $skinsInstalledSnippet[] = $this->getSnippetForSkin( $skin );
  62                                 }
  63                         }
  64
  65                         return $this->getMsg( 'default-skin-not-found' )->params(
  66                                 $defaultSkin,
  67                                 implode( "\n", $skinsInstalledText ),
  68                                 implode( "\n", $skinsInstalledSnippet ) )->numParams(
  69                                         count( $skinsInstalledText ),
  70                                         count( $skinsInstalledSnippet )
  71                         )->parseAsBlock();
  72                 } else {
  73                         return $this->getMsg( 'default-skin-not-found-no-skins' )->params(
  74                                 $defaultSkin
  75                         )->parseAsBlock();
  76                 }
  77         }
  78
  79         /**
  80          * Get the appropriate LocalSettings.php snippet to enable the given skin
  81          *
  82          * @param string $skin
  83          * @return string
  84          */
  85         private function getSnippetForSkin( $skin ) {
  86                 global $IP;
  87                 if ( file_exists( "$IP/skins/$skin/skin.json" ) ) {
  88                         return "wfLoadSkin( '$skin' );";
  89                 } else {
  90                         return "require_once \"\$IP/skins/$skin/$skin.php\";";
  91                 }
  92         }
  93
  94         /**
  95          * Outputs the entire contents of the page. No navigation (other than search box), just the big
  96          * warning message and page content.
  97          */
  98         public function execute() {
  99                 $this->html( 'headelement' ) ?>
 100
 101                 <div class="warningbox">
 102                         <?php echo $this->buildHelpfulInformationMessage() ?>
 103                 </div>
 104
 105                 <form action="<?php $this->text( 'wgScript' ) ?>">
 106                         <input type="hidden" name="title" value="<?php $this->text( 'searchtitle' ) ?>" />
 107                         <h3><label for="searchInput"><?php $this->msg( 'search' ) ?></label></h3>
 108                         <?php echo $this->makeSearchInput( [ "id" => "searchInput" ] ) ?>
 109                         <?php echo $this->makeSearchButton( 'go' ) ?>
 110                 </form>
 111
 112                 <div class="mw-body" role="main">
 113                         <h1 class="firstHeading"><?php $this->html( 'title' ) ?></h1>
 114
 115                         <div class="mw-body-content">
 116                                 <?php $this->html( 'bodytext' ) ?>
 117                                 <?php $this->html( 'catlinks' ) ?>
 118                         </div>
 119                 </div>
 120
 121                 <?php $this->printTrail() ?>
 122                 </body></html>
 123
 124         <?php
 125         }
 126 }