/**
* {@inheritdoc}
*/
public function preprocessElement(Variables $variables, $hook, array $info)
{
// Set errors flag.
$variables['errors'] = $variables->element->hasProperty('has_error');
if ($variables->element->getProperty('autocomplete_route_name')) {
$variables['is_autocomplete'] = TRUE;
}
// See http://getmaterialize.com/css/#forms-controls.
$checkbox = $variables['is_checkbox'] = $variables->element->isType('checkbox');
$radio = $variables['is_radio'] = $variables->element->isType('radio');
// Determine if the form element should have the "form-group" class added.
// Use an explicitly set property from the element or use its other
// properties as the criteria to determine if it should be set.
$variables['is_form_group'] = $variables->element->getProperty('form_group', !$variables['is_checkbox'] && !$variables['is_radio'] && !$variables->element->isType(['hidden', 'textarea']));
// Add label_display and label variables to template.
$display = $variables['label_display'] = $variables['title_display'] = $variables->element->getProperty('title_display');
// Place single checkboxes and radios in the label field.
if (($checkbox || $radio) && $display !== 'none' && $display !== 'invisible') {
$label = Element::create($variables['label']);
$children =& $label->getProperty('children', '');
$children .= $variables['children'];
unset($variables['children']);
// Pass the label attributes to the label, if available.
if ($variables->element->hasProperty('label_attributes')) {
$label->setAttributes($variables->element->getProperty('label_attributes'));
}
}
// Remove the #field_prefix and #field_suffix values set in
// template_preprocess_form_element(). These are handled on the input level.
// @see \Drupal\materialize\Plugin\Preprocess\Input::preprocess().
if ($variables->element->hasProperty('input_group') || $variables->element->hasProperty('input_group_button')) {
$variables['prefix'] = FALSE;
$variables['suffix'] = FALSE;
}
}
/**
* Pre-render render array element callback.
*
* @param array $element
* The render array element.
*
* @return array
* The modified render array element.
*/
public static function preRender(array $element)
{
if (!empty($element['#materialize_ignore_pre_render'])) {
return $element;
}
$e = Element::create($element);
if ($e->isType('machine_name')) {
$e->addClass('form-inline', 'wrapper_attributes');
}
// Add smart descriptions to the element, if necessary.
$e->smartDescription();
return $element;
}
/**
* {@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.
// $variables->addClass([
// 'file',
// // Add a specific class for each and every mime type.
// 'file--mime-' . strtr($mime_type, ['/' => '-', '.' => '-']),
// // Add a more general class for groups of well known mime types.
// 'file--' . $generic_mime_type,
// ]);
// Set the icon for the mime type.
$icon = Materialize::material_icons_font($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);
}
/**
* Sets up the vertical tab groupings.
*
* @param array $form
* Nested array of form elements that comprise the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*/
protected function createGroups(array &$form, FormStateInterface $form_state)
{
$f = Element::create($form, $form_state);
// Vertical tabs for global settings provided by core or contrib modules.
if (!isset($form['global'])) {
$form['global'] = ['#type' => 'vertical_tabs', '#weight' => -9, '#prefix' => '<h2><small>' . t('Override Global Settings') . '</small></h2>'];
}
// Iterate over existing children and move appropriate ones to global group.
foreach ($f->children() as $child) {
if ($child->isType(['details', 'fieldset']) && !$child->hasProperty('group')) {
$child->setProperty('type', 'details');
$child->setProperty('group', 'global');
}
}
// Provide the necessary default groups.
$form['materialize'] = ['#type' => 'vertical_tabs', '#attached' => ['library' => ['materialize/theme-settings']], '#prefix' => '<h2><small>' . t('Materialize Settings') . '</small></h2>', '#weight' => -10];
$groups = ['general' => t('General'), 'components' => t('Components'), 'javascript' => t('JavaScript'), 'advanced' => t('Advanced')];
foreach ($groups as $group => $title) {
$form[$group] = ['#type' => 'details', '#title' => $title, '#group' => 'materialize'];
}
}
/**
* Traverses an element to find the closest button.
*
* @param \Drupal\materialize\Utility\Element $element
* The element to iterate over.
*
* @return \Drupal\materialize\Utility\Element|FALSE
* The first button element or FALSE if no button could be found.
*/
protected static function &findButton(Element $element)
{
$button = FALSE;
foreach ($element->children() as $child) {
if ($child->isButton()) {
$button = $child;
}
if ($result =& self::findButton($child)) {
$button = $result;
}
}
return $button;
}
/**
* Prepends a property with a value.
*
* @param string $name
* The name of the property to set.
* @param mixed $value
* The value of the property to set.
*
* @return $this
*/
public function prependProperty($name, $value)
{
$property =& $this->getProperty($name);
$value = $value instanceof Element ? $value->getArray() : $value;
// If property isn't set, just set it.
if (!isset($property)) {
$property = $value;
return $this;
}
if (is_array($property)) {
array_unshift($property, Element::create($value)->getArray());
} else {
$property = (string) $value . (string) $property;
}
return $this;
}
