public static function LayoutBuilderLock::preRender in Layout Builder Lock 8
Applies lock settings to the Layout Builder element.
Parameters
array $element: The Layout Builder render element.
Return value
array The modified Layout Builder render element.
File
- src/
LayoutBuilderLock.php, line 57
Class
Namespace
Drupal\layout_builder_lockCode
public static function preRender(array $element) {
// Attach library.
$element['#attached']['library'][] = 'layout_builder_lock/edit';
// Determine if this section is overridden.
$overridden = FALSE;
/** @var \Drupal\layout_builder\SectionStorageInterface $section_storage */
$section_storage = $element['#section_storage'];
if ($section_storage instanceof OverridesSectionStorageInterface && $section_storage
->isOverridden()) {
$overridden = TRUE;
}
// Users who can bypass the lock sections can do everything on overrides.
if ($overridden && self::hasBypassLockSettingsPermission()) {
return $element;
}
// Users who can manage the lock settings on default can do everything.
if (!$overridden && self::hasManageLockDefaultPermission()) {
return $element;
}
$section_number = 0;
for ($i = 0; $i < $section_storage
->count(); $i++) {
// Get settings, continue if empty.
$settings = [];
try {
$settings = array_filter($section_storage
->getSection($i)
->getThirdPartySetting('layout_builder_lock', 'lock', self::NO_LOCK));
} catch (\OutOfBoundsException $ignored) {
}
if (empty($settings)) {
continue;
}
$default_components = [];
try {
if ($section_storage instanceof OverridesSectionStorageInterface) {
$default_components = $section_storage
->getDefaultSectionStorage()
->getSection($i)
->getComponents();
}
else {
$default_components = $section_storage
->getSection($i)
->getComponents();
}
} catch (\OutOfBoundsException $ignored) {
}
// Calculate the section number, taking into account the 'add section'
// links.
$section_number = $i * 2 + 1;
// Ignore non existing section numbers.
if (!isset($element['layout_builder'][$section_number])) {
continue;
}
foreach ($element['layout_builder'][$section_number] as $name => $item) {
// Add new section link before.
if (isset($settings[self::LOCKED_SECTION_BEFORE])) {
unset($element['layout_builder'][$section_number - 1]);
}
// Add new section link after.
if (isset($settings[self::LOCKED_SECTION_AFTER])) {
unset($element['layout_builder'][$section_number + 1]);
}
// Remove or configure section links.
if (isset($item['#url'])) {
// Sections can not be deleted at all.
if ($name == 'remove') {
unset($element['layout_builder'][$section_number][$name]);
}
// Configure section link.
if ($name == 'configure' && isset($settings[self::LOCKED_SECTION_CONFIGURE]) && !self::hasManageLockOverridesPermission()) {
unset($element['layout_builder'][$section_number][$name]);
}
}
elseif (isset($item['#layout'])) {
foreach (Element::children($item) as $region_key) {
// Track if we have non default blocks in this section.
$has_custom_block = FALSE;
foreach (Element::children($item[$region_key]) as $item_key) {
if ($item_key == 'layout_builder_add_block') {
if (isset($settings[self::LOCKED_BLOCK_ADD])) {
unset($element['layout_builder'][$section_number][$name][$region_key][$item_key]);
}
}
elseif (isset($item[$region_key][$item_key]['#contextual_links'])) {
// Do not apply the block operation lock settings to blocks that
// were added in the override. Also set the custom block
// variable to TRUE so we don't remove the region classes for
// this section.
if ($overridden && !isset($default_components[$item_key])) {
$has_custom_block = TRUE;
continue;
}
$allow_moving = TRUE;
$layout_builder_remove_block_operations = [];
$block_operations = [
'move',
'update',
'remove',
];
// Do not allow moving blocks.
if (isset($settings[self::LOCKED_BLOCK_MOVE])) {
$allow_moving = FALSE;
unset($block_operations[array_search('move', $block_operations)]);
$layout_builder_remove_block_operations[] = 'layout_builder_block_move';
}
// Do not allow updating blocks.
if (isset($settings[self::LOCKED_BLOCK_UPDATE])) {
unset($block_operations[array_search('update', $block_operations)]);
$layout_builder_remove_block_operations[] = 'layout_builder_block_update';
}
// Do not allow deleting blocks.
if (isset($settings[self::LOCKED_BLOCK_DELETE])) {
unset($block_operations[array_search('remove', $block_operations)]);
$layout_builder_remove_block_operations[] = 'layout_builder_block_remove';
}
// Alter the default operations in case the count of operations
// is not equal to 3. Empty is fine too, which means the user
// won't be able to do anything at all with this block.
if (count($block_operations) != 3) {
$element['layout_builder'][$section_number][$name][$region_key][$item_key]['#contextual_links']['layout_builder_block']['metadata']['operations'] = implode(':', $block_operations);
}
// Add the operations to remove in a custom metadata element so
// we can remove the contextual link later.
// @see layout_builder_lock_contextual_links_view_alter().
if (!empty($layout_builder_remove_block_operations)) {
$element['layout_builder'][$section_number][$name][$region_key][$item_key]['#contextual_links']['layout_builder_block']['metadata']['layout_builder_lock'] = implode(':', $layout_builder_remove_block_operations);
}
// If moving is not allowed, remove the default layout builder
// classes on this block and add our own so we can reset the
// pointer and padding.
if (!$allow_moving) {
foreach ([
'layout-builder-block',
'js-layout-builder-block',
] as $class) {
if (isset($element['layout_builder'][$section_number][$name][$region_key][$item_key]['#attributes']['class']) && is_array($element['layout_builder'][$section_number][$name][$region_key][$item_key]['#attributes']['class'])) {
$key = array_search($class, $element['layout_builder'][$section_number][$name][$region_key][$item_key]['#attributes']['class']);
unset($element['layout_builder'][$section_number][$name][$region_key][$item_key]['#attributes']['class'][$key]);
}
}
$element['layout_builder'][$section_number][$name][$region_key][$item_key]['#attributes']['class'][] = 'layout-builder-block-locked';
}
}
}
// Do not allow to move blocks into this section.
if (isset($settings[self::LOCKED_SECTION_BLOCK_MOVE]) && !$has_custom_block) {
if (isset($element['layout_builder'][$section_number][$name][$region_key]['#attributes']['class']) && is_array($element['layout_builder'][$section_number][$name][$region_key]['#attributes']['class'])) {
$key = array_search('js-layout-builder-region', $element['layout_builder'][$section_number][$name][$region_key]['#attributes']['class']);
unset($element['layout_builder'][$section_number][$name][$region_key]['#attributes']['class'][$key]);
}
}
}
}
}
}
return $element;
}