/**
* 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;
}
/**
* #post_render_cache callback; replaces placeholder with comment form.
*
* @param array $element
* The renderable array that contains the to be replaced placeholder.
* @param array $context
* An array with the following keys:
* - entity_type: an entity type
* - entity_id: an entity ID
* - field_name: a comment field name
*
* @return array
* A renderable array containing the comment form.
*/
public function renderForm(array $element, array $context)
{
$field_name = $context['field_name'];
$entity = $this->entityManager->getStorage($context['entity_type'])->load($context['entity_id']);
$field_storage = FieldStorageConfig::loadByName($entity->getEntityTypeId(), $field_name);
$values = array('entity_type' => $entity->getEntityTypeId(), 'entity_id' => $entity->id(), 'field_name' => $field_name, 'comment_type' => $field_storage->getSetting('bundle'), 'pid' => NULL);
$comment = $this->entityManager->getStorage('comment')->create($values);
$form = $this->entityFormBuilder->getForm($comment);
$markup = drupal_render($form);
$callback = 'comment.post_render_cache:renderForm';
$placeholder = drupal_render_cache_generate_placeholder($callback, $context);
$element['#markup'] = str_replace($placeholder, $markup, $element['#markup']);
$element['#attached'] = drupal_merge_attached($element['#attached'], $form['#attached']);
return $element;
}
/**
* Adds cache tags associated with the processed text.
*
* @param array $cache_tags
* The cache tags to be added.
*
* @return $this
*/
public function addCacheTags(array $cache_tags)
{
$this->cacheTags = drupal_merge_attached($this->cacheTags, $cache_tags);
return $this;
}
/**
* Tests justs JavaScript and JavaScript setting asset merging.
*/
function testJsSettingMerging()
{
$a['#attached'] = array('js' => array('foo.js' => array(), 'bar.js' => array()), 'drupalSettings' => ['foo' => ['d']]);
$b['#attached'] = array('js' => array('baz.js' => array()), 'drupalSettings' => ['bar' => ['a', 'b', 'c']]);
$expected['#attached'] = array('js' => array('foo.js' => array(), 'bar.js' => array(), 'baz.js' => array()), 'drupalSettings' => ['foo' => ['d'], 'bar' => ['a', 'b', 'c']]);
$this->assertIdentical($expected['#attached'], drupal_merge_attached($a['#attached'], $b['#attached']), 'Attachments merged correctly.');
// Merging in the opposite direction yields the opposite JS setting asset
// order.
$expected['#attached'] = array('js' => array('baz.js' => array(), 'foo.js' => array(), 'bar.js' => array()), 'drupalSettings' => ['bar' => ['a', 'b', 'c'], 'foo' => ['d']]);
$this->assertIdentical($expected['#attached'], drupal_merge_attached($b['#attached'], $a['#attached']), 'Attachments merged correctly; opposite merging yields opposite order.');
// Merging with duplicates (simple case).
$b['#attached']['drupalSettings']['foo'] = ['a', 'b', 'c'];
$expected['#attached'] = array('js' => array('foo.js' => array(), 'bar.js' => array(), 'baz.js' => array()), 'drupalSettings' => ['foo' => ['a', 'b', 'c'], 'bar' => ['a', 'b', 'c']]);
$this->assertIdentical($expected['#attached'], drupal_merge_attached($a['#attached'], $b['#attached']));
// Merging with duplicates (simple case) in the opposite direction yields
// the opposite JS setting asset order, but also opposite overriding order.
$expected['#attached'] = array('js' => array('baz.js' => array(), 'foo.js' => array(), 'bar.js' => array()), 'drupalSettings' => ['bar' => ['a', 'b', 'c'], 'foo' => ['d', 'b', 'c']]);
$this->assertIdentical($expected['#attached'], drupal_merge_attached($b['#attached'], $a['#attached']));
// Merging with duplicates: complex case.
// Only the second of these two entries should appear in drupalSettings.
$build = array();
$build['a']['#attached']['drupalSettings']['commonTest'] = 'firstValue';
$build['b']['#attached']['drupalSettings']['commonTest'] = 'secondValue';
// Only the second of these entries should appear in drupalSettings.
$build['a']['#attached']['drupalSettings']['commonTestJsArrayLiteral'] = ['firstValue'];
$build['b']['#attached']['drupalSettings']['commonTestJsArrayLiteral'] = ['secondValue'];
// Only the second of these two entries should appear in drupalSettings.
$build['a']['#attached']['drupalSettings']['commonTestJsObjectLiteral'] = ['key' => 'firstValue'];
$build['b']['#attached']['drupalSettings']['commonTestJsObjectLiteral'] = ['key' => 'secondValue'];
// Real world test case: multiple elements in a render array are adding the
// same (or nearly the same) JavaScript settings. When merged, they should
// contain all settings and not duplicate some settings.
$settings_one = array('moduleName' => array('ui' => array('button A', 'button B'), 'magical flag' => 3.14159265359));
$build['a']['#attached']['drupalSettings']['commonTestRealWorldIdentical'] = $settings_one;
$build['b']['#attached']['drupalSettings']['commonTestRealWorldIdentical'] = $settings_one;
$settings_two_a = array('moduleName' => array('ui' => array('button A', 'button B', 'button C'), 'magical flag' => 3.14159265359, 'thingiesOnPage' => array('id1' => array())));
$build['a']['#attached']['drupalSettings']['commonTestRealWorldAlmostIdentical'] = $settings_two_a;
$settings_two_b = array('moduleName' => array('ui' => array('button D', 'button E'), 'magical flag' => 3.14, 'thingiesOnPage' => array('id2' => array())));
$build['b']['#attached']['drupalSettings']['commonTestRealWorldAlmostIdentical'] = $settings_two_b;
$merged = drupal_merge_attached($build['a']['#attached'], $build['b']['#attached']);
// Test whether #attached can be used to override a previous setting.
$this->assertIdentical('secondValue', $merged['drupalSettings']['commonTest']);
// Test whether #attached can be used to add and override a JavaScript
// array literal (an indexed PHP array) values.
$this->assertIdentical('secondValue', $merged['drupalSettings']['commonTestJsArrayLiteral'][0]);
// Test whether #attached can be used to add and override a JavaScript
// object literal (an associate PHP array) values.
$this->assertIdentical('secondValue', $merged['drupalSettings']['commonTestJsObjectLiteral']['key']);
// Test whether the two real world cases are handled correctly: the first
// adds the exact same settings twice and hence tests idempotency, the
// second adds *almost* the same settings twice: the second time, some
// values are altered, and some key-value pairs are added.
$settings_two['moduleName']['thingiesOnPage']['id1'] = array();
$this->assertIdentical($settings_one, $merged['drupalSettings']['commonTestRealWorldIdentical']);
$expected_settings_two = $settings_two_a;
$expected_settings_two['moduleName']['ui'][0] = 'button D';
$expected_settings_two['moduleName']['ui'][1] = 'button E';
$expected_settings_two['moduleName']['ui'][2] = 'button C';
$expected_settings_two['moduleName']['magical flag'] = 3.14;
$expected_settings_two['moduleName']['thingiesOnPage']['id2'] = [];
$this->assertIdentical($expected_settings_two, $merged['drupalSettings']['commonTestRealWorldAlmostIdentical']);
}
/**
* Tests justs JavaScript and JavaScript setting asset merging.
*/
function testJsSettingMerging()
{
$a['#attached'] = array('js' => array('foo.js' => array(), array('type' => 'setting', 'data' => array('foo' => array('d'))), 'bar.js' => array()));
$b['#attached'] = array('js' => array(83 => array('type' => 'setting', 'data' => array('bar' => array('a', 'b', 'c'))), 'baz.js' => array()));
$expected['#attached'] = array('js' => array('foo.js' => array(), 0 => array('type' => 'setting', 'data' => array('foo' => array('d'))), 'bar.js' => array(), 1 => array('type' => 'setting', 'data' => array('bar' => array('a', 'b', 'c'))), 'baz.js' => array()));
$this->assertIdentical($expected['#attached'], drupal_merge_attached($a['#attached'], $b['#attached']), 'Attachments merged correctly.');
// Merging in the opposite direction yields the opposite JS setting asset
// order.
$expected['#attached'] = array('js' => array(0 => array('type' => 'setting', 'data' => array('bar' => array('a', 'b', 'c'))), 'baz.js' => array(), 'foo.js' => array(), 1 => array('type' => 'setting', 'data' => array('foo' => array('d'))), 'bar.js' => array()));
$this->assertIdentical($expected['#attached'], drupal_merge_attached($b['#attached'], $a['#attached']), 'Attachments merged correctly; opposite merging yields opposite order.');
// Merging with duplicates: JavaScript setting duplicates are simply
// retained, it's up to the rest of the system (drupal_merge_js_settings())
// to handle duplicates.
$b['#attached']['js'][] = array('type' => 'setting', 'data' => array('foo' => array('a', 'b', 'c')));
$expected['#attached'] = array('js' => array('foo.js' => array(), 0 => array('type' => 'setting', 'data' => array('foo' => array('d'))), 'bar.js' => array(), 1 => array('type' => 'setting', 'data' => array('bar' => array('a', 'b', 'c'))), 'baz.js' => array(), 2 => array('type' => 'setting', 'data' => array('foo' => array('a', 'b', 'c')))));
$this->assertIdentical($expected['#attached'], drupal_merge_attached($a['#attached'], $b['#attached']), 'Attachments merged correctly; JavaScript asset duplicates removed, JavaScript setting asset duplicates retained.');
}