51 lines
1.8 KiB
Plaintext
51 lines
1.8 KiB
Plaintext
<?php
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/**
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* @file
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* Provides hook implementations for Layout Discovery.
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*/
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use Drupal\Core\Render\Element;
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use Drupal\Core\Template\Attribute;
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/**
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* Implements hook_help().
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*/
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function layout_discovery_help($route_name) {
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switch ($route_name) {
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case 'help.page.layout_discovery':
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$output = '<h3>' . t('About') . '</h3>';
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$output .= '<p>' . t('Layout Discovery allows modules or themes to register layouts, and for other modules to list the available layouts and render them.') . '</p>';
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$output .= '<p>' . t('For more information, see the <a href=":layout-discovery-documentation">online documentation for the Layout Discovery module</a>.', [':layout-discovery-documentation' => 'https://www.drupal.org/docs/8/api/layout-api']) . '</p>';
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return $output;
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}
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}
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/**
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* Implements hook_theme().
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*/
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function layout_discovery_theme() {
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return \Drupal::service('plugin.manager.core.layout')->getThemeImplementations();
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}
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/**
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* Prepares variables for layout templates.
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*
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* @param array &$variables
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* An associative array containing:
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* - content: An associative array containing the properties of the element.
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* Properties used: #settings, #layout.
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*/
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function template_preprocess_layout(&$variables) {
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$variables['settings'] = isset($variables['content']['#settings']) ? $variables['content']['#settings'] : [];
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$variables['layout'] = isset($variables['content']['#layout']) ? $variables['content']['#layout'] : [];
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// Create an attributes variable for each region.
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foreach (Element::children($variables['content']) as $name) {
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if (!isset($variables['content'][$name]['#attributes'])) {
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$variables['content'][$name]['#attributes'] = [];
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}
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$variables['region_attributes'][$name] = new Attribute($variables['content'][$name]['#attributes']);
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}
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}
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