Element::preRenderTextFormat(array $element)
Additional #pre_render callback for 'text_format' elements.
File
- core/modules/editor/src/Element.php, line 35
Class
- Element
- Defines a service for Text Editor's render elements.
Namespace
Drupal\editor
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | function preRenderTextFormat(array $element) { // Allow modules to programmatically enforce no client-side editor by // setting the #editor property to FALSE. if (isset($element['#editor']) && !$element['#editor']) { return $element; } // filter_process_format() copies properties to the expanded 'value' child // element, including the #pre_render property. Skip this text format // widget, if it contains no 'format'. if (!isset($element['format'])) { return $element; } $format_ids = array_keys($element['format']['format']['#options']); // Early-return if no text editor is associated with any of the text formats. $editors = Editor::loadMultiple($format_ids); foreach ($editors as $key => $editor) { $definition = $this->pluginManager->getDefinition($editor->getEditor()); if (!in_array($element['#base_type'], $definition['supported_element_types'])) { unset($editors[$key]); } } if (count($editors) === 0) { return $element; } // Use a hidden element for a single text format. $field_id = $element['value']['#id']; if (!$element['format']['format']['#access']) { // Use the first (and only) available text format. $format_id = $format_ids[0]; $element['format']['editor'] = array( '#type' => 'hidden', '#name' => $element['format']['format']['#name'], '#value' => $format_id, '#attributes' => array( 'data-editor-for' => $field_id, ), ); } // Otherwise, attach to text format selector. else { $element['format']['format']['#attributes']['class'][] = 'editor'; $element['format']['format']['#attributes']['data-editor-for'] = $field_id; } // Hide the text format's filters' guidelines of those text formats that have // a text editor associated: they're rather useless when using a text editor. foreach ($editors as $format_id => $editor) { $element['format']['guidelines'][$format_id]['#access'] = FALSE; } // Attach Text Editor module's (this module) library. $element['#attached']['library'][] = 'editor/drupal.editor'; // Attach attachments for all available editors. $element['#attached'] = BubbleableMetadata::mergeAttachments($element['#attached'], $this->pluginManager->getAttachments($format_ids)); // Apply XSS filters when editing content if necessary. Some types of text // editors cannot guarantee that the end user won't become a victim of XSS. if (!empty($element['value']['#value'])) { $original = $element['value']['#value']; $format = FilterFormat::load($element['format']['format']['#value']); // Ensure XSS-safety for the current text format/editor. $filtered = editor_filter_xss($original, $format); if ($filtered !== FALSE) { $element['value']['#value'] = $filtered; } // Only when the user has access to multiple text formats, we must add data- // attributes for the original value and change tracking, because they are // only necessary when the end user can switch between text formats/editors. if ($element['format']['format']['#access']) { $element['value']['#attributes']['data-editor-value-is-changed'] = 'false'; $element['value']['#attributes']['data-editor-value-original'] = $original; } } return $element;} |
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