/**
* {@inheritdoc}
*/
public function preprocessElement(Element $element, Variables $variables)
{
$variables->addClass(['image-widget', 'js-form-managed-file', 'form-managed-file', 'clearfix']);
$data =& $variables->offsetGet('data', []);
foreach ($element->children() as $key => $child) {
// Modify the label to be a placeholder instead.
if ($key === 'alt') {
$child->setProperty('form_group', FALSE);
$placeholder = (string) $child->getAttribute('placeholder');
if (!$placeholder) {
$label = ['#theme' => 'form_element_label'];
$label += array_intersect_key($child->getArray(), array_flip(['#id', '#required', '#title', '#title_display']));
$child->setProperty('title_display', 'invisible');
$placeholder = trim(strip_tags(Element::create($label)->render()));
if ($child->getProperty('required')) {
$child->setProperty('description', t('@description (Required)', ['@description' => $child->getProperty('description')]));
}
}
if ($placeholder) {
$child->setAttribute('placeholder', $placeholder);
}
}
$data[$key] = $child->getArray();
}
}
/**
* {@inheritdoc}
*/
public function preprocessVariables(Variables $variables)
{
$region = $variables['elements']['#region'];
$variables['region'] = $region;
$variables['content'] = $variables['elements']['#children'];
// Help region.
if ($region === 'help' && !empty($variables['content'])) {
$variables['content'] = ['icon' => Bootstrap::glyphicon('question-sign'), 'content' => ['#markup' => $variables['content']]];
$variables->addClass(['alert', 'alert-info', 'messages', 'info']);
}
// Support for "well" classes in regions.
static $region_wells;
if (!isset($region_wells)) {
$region_wells = $this->theme->getSetting('region_wells');
}
if (!empty($region_wells[$region])) {
$variables->addClass($region_wells[$region]);
}
}
/**
* {@inheritdoc}
*/
public function preprocessElement(Variables $variables, $hook, array $info)
{
$variables->addClass(['image-widget', 'js-form-managed-file', 'form-managed-file', 'clearfix']);
/** @var \Drupal\file\Entity\File $file */
foreach ($variables->element->getProperty('files') as $file) {
$variables->element->{'file_' . $file->id()}->filename->setProperty('suffix', ' <span class="file-size badge">' . format_size($file->getSize()) . '</span>');
}
$data =& $variables->offsetGet('data', []);
foreach ($variables->element->children() as $key => $child) {
$data[$key] = $child->getArray();
}
}
/**
* {@inheritdoc}
*/
public function preprocessVariables(Variables $variables, $hook, array $info)
{
if ($variables->theme_hook_original === 'links' && $variables->hasClass('operations')) {
$variables->addClass('list-inline');
foreach ($variables->links as &$data) {
$link = Element::create($data['link']);
$link->addClass(['btn', 'btn-sm']);
$link->colorize();
$link->setIcon();
if ($this->theme->getSetting('tooltip_enabled')) {
$link->setAttribute('data-toggle', 'tooltip');
$link->setAttribute('data-placement', 'bottom');
}
}
}
$this->preprocessAttributes($variables, $hook, $info);
}
/**
* {@inheritdoc}
*/
public function preprocessVariables(Variables $variables, $hook, array $info)
{
$options = [];
$file = $variables['file'] instanceof File ? $variables['file'] : File::load($variables['file']->fid);
$url = file_create_url($file->getFileUri());
$file_size = $file->getSize();
$mime_type = $file->getMimeType();
// Set options as per anchor format described at
// http://microformats.org/wiki/file-format-examples
$options['attributes']['type'] = "{$mime_type}; length={$file_size}";
// Use the description as the link text if available.
if (empty($variables['description'])) {
$link_text = $file->getFilename();
} else {
$link_text = $variables['description'];
$options['attributes']['title'] = $file->getFilename();
}
// Retrieve the generic mime type from core (mislabeled as "icon_class").
$generic_mime_type = file_icon_class($mime_type);
// Map the generic mime types to an icon and state.
$mime_map = ['application-x-executable' => ['label' => t('binary file'), 'icon' => 'console'], 'audio' => ['label' => t('audio file'), 'icon' => 'headphones'], 'image' => ['label' => t('image'), 'icon' => 'picture'], 'package-x-generic' => ['label' => t('archive'), 'icon' => 'compressed'], 'text' => ['label' => t('document'), 'icon' => 'file'], 'video' => ['label' => t('video'), 'icon' => 'film']];
// Retrieve the mime map array.
$mime = isset($mime_map[$generic_mime_type]) ? $mime_map[$generic_mime_type] : ['label' => t('file'), 'icon' => 'file', 'state' => 'primary'];
// Classes to add to the file field for icons.
$variables->addClass(['file', 'file--mime-' . strtr($mime_type, ['/' => '-', '.' => '-']), 'file--' . $generic_mime_type]);
// Set the icon for the mime type.
$icon = Bootstrap::glyphicon($mime['icon']);
$variables->icon = Element::create($icon)->addClass('text-primary')->getArray();
$options['attributes']['title'] = t('Open @mime in new window', ['@mime' => $mime['label']]);
if ($this->theme->getSetting('tooltip_enabled')) {
$options['attributes']['data-toggle'] = 'tooltip';
$options['attributes']['data-placement'] = 'bottom';
}
$variables['link'] = Link::fromTextAndUrl($link_text, Url::fromUri($url, $options));
// Add the file size as a variable.
$variables->file_size = format_size($file_size);
// Preprocess attributes.
$this->preprocessAttributes($variables, $hook, $info);
}
/**
* {@inheritdoc}
*/
public function preprocessVariables(Variables $variables, $hook, array $info)
{
if ($variables->theme_hook_original === 'links' && $variables->hasClass('operations')) {
$variables->addClass('list-inline');
foreach ($variables->links as &$data) {
$link = Element::create($data['link']);
$link->addClass(['btn', 'btn-sm']);
$link->colorize();
$link->setIcon();
if ($icon = $link->getProperty('icon')) {
$link->addClass('icon-before');
$title = ['icon' => $icon, 'title' => ['#markup' => $link->getProperty('title')]];
$link->setProperty('title', Element::create($title));
}
if (($options =& $link->getProperty('options', [])) && isset($options['attributes']['title'])) {
$link->setAttribute('data-toggle', 'tooltip');
$link->setAttribute('data-placement', 'bottom');
}
}
}
$this->preprocessAttributes($variables, $hook, $info);
}
