Created
October 11, 2016 18:59
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Add custom class to body based on field value.
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| function THEMENAME_preprocess_html(&$variables) { | |
| // Get the value of the field and add it as a class on <body>. | |
| $node = \Drupal::routeMatch()->getParameter('node'); | |
| if ($node instanceof \Drupal\node\NodeInterface) { | |
| if ($node->field_layout) { | |
| $layout_style = $node->field_layout->value; | |
| $vars['attributes']['class'][] = 'layout-' . str_replace('_', '-', $layout_style); | |
| } else { | |
| $variables['attributes']['class'][] = 'layout-CUSTOM-CLASS'; | |
| } | |
| } | |
| } |
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