function _entity_embed_filter_align in Entity Embed 7.2

Same name and namespace in other branches

1. 7 entity_embed.module \_entity_embed_filter_align()

Implements callback_filter_process().

Aligns embedded entities.

2 string references to '_entity_embed_filter_align'

AlignFilterTest::testAlignFilter in ./entity_embed.test

Tests the embed_button administration functionality.

entity_embed_filter_info in ./entity_embed.module

Implements hook_filter_info().

File

./entity_embed.module, line 566

Provides a CKEditor plugin and text filter for embedding and rendering entities.

Code

function _entity_embed_filter_align($text) {
  $result = $text;
  if (stristr($text, 'data-align') !== FALSE) {
    $dom = entity_embed_dom_load_html($text);
    $xpath = new \DOMXPath($dom);
    foreach ($xpath
      ->query('//*[@data-align]') as $node) {

      // Read the data-align attribute's value, then delete it.
      $align = $node
        ->getAttribute('data-align');
      $node
        ->removeAttribute('data-align');

      // If one of the allowed alignments, add the corresponding class.
      if (in_array($align, array(
        'left',
        'center',
        'right',
      ))) {
        $classes = $node
          ->getAttribute('class');
        $classes = strlen($classes) > 0 ? explode(' ', $classes) : array();
        $classes[] = 'align-' . $align;
        $node
          ->setAttribute('class', implode(' ', $classes));
      }
    }
    $result = entity_embed_serialize($dom);
  }
  return $result;
}