includes/resourceloader/ResourceLoaderEditToolbarModule.php

   1 <?php
   2 /**
   3  * Resource loader module for the edit toolbar.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 /**
  24  * ResourceLoader module for the edit toolbar.
  25  *
  26  * @since 1.24
  27  */
  28 class ResourceLoaderEditToolbarModule extends ResourceLoaderFileModule {
  29
  30         /**
  31          * Get language-specific LESS variables for this module.
  32          *
  33          * @return array
  34          */
  35         private function getLessVars( ResourceLoaderContext $context ) {
  36                 $language = Language::factory( $context->getLanguage() );
  37
  38                 // This is very conveniently formatted and we can pass it right through
  39                 $vars = $language->getImageFiles();
  40
  41                 // less.php tries to be helpful and parse our variables as LESS source code
  42                 foreach ( $vars as $key => &$value ) {
  43                         $value = CSSMin::serializeStringValue( $value );
  44                 }
  45
  46                 return $vars;
  47         }
  48
  49         /**
  50          * @return bool
  51          */
  52         public function enableModuleContentVersion() {
  53                 return true;
  54         }
  55
  56         /**
  57          * Get a LESS compiler instance for this module.
  58          *
  59          * Set our variables in it.
  60          *
  61          * @throws MWException
  62          * @param ResourceLoaderContext $context
  63          * @return Less_Parser
  64          */
  65         protected function getLessCompiler( ResourceLoaderContext $context = null ) {
  66                 $parser = parent::getLessCompiler();
  67                 $parser->ModifyVars( $this->getLessVars( $context ) );
  68                 return $parser;
  69         }
  70 }