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   1  <?php
   2  /**
   3   * Packed overlay image gallery. All images adjusted to be same height and
   4   * image caption being placed over top of image.
   5   *
   6   * This program is free software; you can redistribute it and/or modify
   7   * it under the terms of the GNU General Public License as published by
   8   * the Free Software Foundation; either version 2 of the License, or
   9   * (at your option) any later version.
  10   *
  11   * This program is distributed in the hope that it will be useful,
  12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14   * GNU General Public License for more details.
  15   *
  16   * You should have received a copy of the GNU General Public License along
  17   * with this program; if not, write to the Free Software Foundation, Inc.,
  18   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19   * http://www.gnu.org/copyleft/gpl.html
  20   *
  21   * @file
  22   */
  23  
  24  class PackedOverlayImageGallery extends PackedImageGallery {
  25      /**
  26       * Add the wrapper html around the thumb's caption
  27       *
  28       * @param string $galleryText The caption
  29       * @param MediaTransformOutput|bool $thumb The thumb this caption is for
  30       *   or false for bad image.
  31       * @return string
  32       */
  33  	protected function wrapGalleryText( $galleryText, $thumb ) {
  34  
  35          // If we have no text, do not output anything to avoid
  36          // ugly white overlay.
  37          if ( trim( $galleryText ) === '' ) {
  38              return '';
  39          }
  40  
  41          # ATTENTION: The newline after <div class="gallerytext"> is needed to
  42          # accommodate htmltidy which in version 4.8.6 generated crackpot HTML
  43          # in its absence, see: http://bugzilla.wikimedia.org/show_bug.cgi?id=1765
  44          # -Ævar
  45  
  46          $thumbWidth = $this->getGBWidth( $thumb ) - $this->getThumbPadding() - $this->getGBPadding();
  47          $captionWidth = ceil( $thumbWidth - 20 );
  48  
  49          $outerWrapper = '<div class="gallerytextwrapper" style="width: ' . $captionWidth . 'px">';
  50  
  51          return "\n\t\t\t" . $outerWrapper . '<div class="gallerytext">' . "\n"
  52              . $galleryText
  53              . "\n\t\t\t</div></div>";
  54      }
  55  }
  56  
  57  /**
  58   * Same as Packed except different CSS is applied to make the
  59   * caption only show up on hover. If a touch screen is detected,
  60   * falls back to PackedHoverGallery. Degrades gracefully for
  61   * screen readers.
  62   */
  63  class PackedHoverImageGallery extends PackedOverlayImageGallery {
  64  }