includes/diff/UnsupportedSlotDiffRenderer.php

   1 <?php
   2 /**
   3  * Renders a slot diff by doing a text diff on the native representation.
   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  * @ingroup DifferenceEngine
  22  */
  23
  24 /**
  25  * Produces a warning message about not being able to render a slot diff.
  26  *
  27  * @since 1.34
  28  *
  29  * @ingroup DifferenceEngine
  30  */
  31 class UnsupportedSlotDiffRenderer extends SlotDiffRenderer {
  32
  33         /**
  34          * @var MessageLocalizer
  35          */
  36         private $localizer;
  37
  38         /**
  39          * UnsupportedSlotDiffRenderer constructor.
  40          *
  41          * @param MessageLocalizer $localizer
  42          */
  43         public function __construct( MessageLocalizer $localizer ) {
  44                 $this->localizer = $localizer;
  45         }
  46
  47         /** @inheritDoc */
  48         public function getDiff( Content $oldContent = null, Content $newContent = null ) {
  49                 $this->normalizeContents( $oldContent, $newContent );
  50
  51                 $oldModel = $oldContent->getModel();
  52                 $newModel = $newContent->getModel();
  53
  54                 if ( $oldModel !== $newModel ) {
  55                         $msg = $this->localizer->msg( 'unsupported-content-diff2', $oldModel, $newModel );
  56                 } else {
  57                         $msg = $this->localizer->msg( 'unsupported-content-diff', $oldModel );
  58                 }
  59
  60                 return Html::rawElement(
  61                         'tr',
  62                         [],
  63                         Html::rawElement(
  64                                 'td',
  65                                 [ 'colspan' => 4, 'class' => 'error' ],
  66                                 $msg->parse()
  67                         )
  68                 );
  69         }
  70
  71 }