/**
* Additional #pre_render callback for 'text_format' elements.
*/
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);
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('class' => array('editor'), 'data-editor-for' => $field_id));
} 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.
$element['#attached'] = drupal_merge_attached($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;
}
/**
* Tests the configurable text editor manager.
*/
public function testManager()
{
$this->editorManager = $this->container->get('plugin.manager.editor');
// Case 1: no text editor available:
// - listOptions() should return an empty list of options
// - getAttachments() should return an empty #attachments array (and not
// a JS settings structure that is empty)
$this->assertIdentical(array(), $this->editorManager->listOptions(), 'When no text editor is enabled, the manager works correctly.');
$this->assertIdentical(array(), $this->editorManager->getAttachments(array()), 'No attachments when no text editor is enabled and retrieving attachments for zero text formats.');
$this->assertIdentical(array(), $this->editorManager->getAttachments(array('filtered_html', 'full_html')), 'No attachments when no text editor is enabled and retrieving attachments for multiple text formats.');
// Enable the Text Editor Test module, which has the Unicorn Editor and
// clear the editor manager's cache so it is picked up.
$this->enableModules(array('editor_test'));
$this->editorManager = $this->container->get('plugin.manager.editor');
$this->editorManager->clearCachedDefinitions();
// Case 2: a text editor available.
$this->assertIdentical('Unicorn Editor', (string) $this->editorManager->listOptions()['unicorn'], 'When some text editor is enabled, the manager works correctly.');
// Case 3: a text editor available & associated (but associated only with
// the 'Full HTML' text format).
$unicorn_plugin = $this->editorManager->createInstance('unicorn');
$editor = entity_create('editor', array('format' => 'full_html', 'editor' => 'unicorn'));
$editor->save();
$this->assertIdentical(array(), $this->editorManager->getAttachments(array()), 'No attachments when one text editor is enabled and retrieving attachments for zero text formats.');
$expected = array('library' => array(0 => 'editor_test/unicorn'), 'drupalSettings' => ['editor' => ['formats' => ['full_html' => ['format' => 'full_html', 'editor' => 'unicorn', 'editorSettings' => $unicorn_plugin->getJSSettings($editor), 'editorSupportsContentFiltering' => TRUE, 'isXssSafe' => FALSE]]]]);
$this->assertIdentical($expected, $this->editorManager->getAttachments(array('filtered_html', 'full_html')), 'Correct attachments when one text editor is enabled and retrieving attachments for multiple text formats.');
// Case 4: a text editor available associated, but now with its JS settings
// being altered via hook_editor_js_settings_alter().
\Drupal::state()->set('editor_test_js_settings_alter_enabled', TRUE);
$expected['drupalSettings']['editor']['formats']['full_html']['editorSettings']['ponyModeEnabled'] = FALSE;
$this->assertIdentical($expected, $this->editorManager->getAttachments(array('filtered_html', 'full_html')), 'hook_editor_js_settings_alter() works correctly.');
}