Sachbearbeiter sachbearbeiter

## Blocks.md

      
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                sachbearbeiter
                / Blocks.md
            
            
              Created
              April 19, 2024 10:24
                — forked from davidjguru/Blocks.md
            
              
                Drupal 8 programmatic solutions
              
          
    Render custom blocks

$bid = 'myblock';
$block = \Drupal\block_content\Entity\BlockContent::load($bid);
$render = \Drupal::entityTypeManager()->getViewBuilder('block_content')->view($block);

Render plugin blocks

$block_manager = \Drupal::service('plugin.manager.block');


## country-list-german.html
<select name="country">
	<option value="DE" selected>Deutschland</option>
	<option value="AT">Österreich</option>
	<option value="CH">Schweiz</option>
	<optgroup label="A">
		<option value="AF">Afghanistan</option>
		<option value="EG">Ägypten</option>
		<option value="AX">Åland</option>
		<option value="AL">Albanien</option>
		<option value="DZ">Algerien</option>

## image.html.twig
{#
/**
 * @file
 * Default theme implementation of an image.
 *
 * Available variables:
 * - attributes: HTML attributes for the img tag.
 * - style_name: (optional) The name of the image style applied.
 *
 * @see template_preprocess_image()

## html.tpl.php
<!DOCTYPE html>
<html<?php print $html_attributes; ?>>
<head>
  <?php print $head; ?>
  <title><?php print $head_title; ?></title>
  <?php print $styles; ?>
  <?php print $head_scripts; ?>
</head>

<body<?php print $body_attributes;?>>

## User has Role
<?php
// Load the currently logged in user.
global $user;

// Check if the user has the 'editor' role.
if (in_array('editor', $user->roles)) {
  // do fancy stuff
}

?>

## theme.php
<?php
\Drupal::theme()->getActiveTheme()->getPath();
?>

## theme
<?php

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function MYTHEME_theme_suggestions_block_alter(array &$suggestions, array $variables)
{
    $block = $variables['elements'];
    $blockType = $block['#configuration']['provider'];
    if ($blockType == "block_content") {

## theme.php
/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function MYTHEME_theme_suggestions_image_formatter_alter(array &$suggestions, array $variables) {
  $entity = $variables['item']->getEntity();
  $field_name = $variables['item']->getParent()->getName();
  $suggestions[] = 'image_formatter__' . $entity->getEntityTypeId() . '__' . $entity->bundle() . '__' . $field_name;
}

## debug-renderable-array.twig
{{ dump(_context|keys) }}

## page.html.twig
{# isAdmin? #}
{% if UserID == '1' %}
  {{ kint() }}
{% endif %}
	<select name="country">
	<option value="DE" selected>Deutschland</option>
	<option value="AT">Österreich</option>
	<option value="CH">Schweiz</option>
	<optgroup label="A">
	<option value="AF">Afghanistan</option>
	<option value="EG">Ägypten</option>
	<option value="AX">Åland</option>
	<option value="AL">Albanien</option>
	<option value="DZ">Algerien</option>
	{#
	/**
	* @file
	* Default theme implementation of an image.
	*
	* Available variables:
	* - attributes: HTML attributes for the img tag.
	* - style_name: (optional) The name of the image style applied.
	*
	* @see template_preprocess_image()
	<!DOCTYPE html>
	<html<?php print $html_attributes; ?>>
	<head>
	<?php print $head; ?>
	<title><?php print $head_title; ?></title>
	<?php print $styles; ?>
	<?php print $head_scripts; ?>
	</head>

	<body<?php print $body_attributes;?>>
	<?php
	// Load the currently logged in user.
	global $user;

	// Check if the user has the 'editor' role.
	if (in_array('editor', $user->roles)) {
	// do fancy stuff
	}

	?>
	<?php

	/**
	* Implements hook_theme_suggestions_HOOK_alter().
	*/
	function MYTHEME_theme_suggestions_block_alter(array &$suggestions, array $variables)
	{
	$block = $variables['elements'];
	$blockType = $block['#configuration']['provider'];
	if ($blockType == "block_content") {
	/**
	* Implements hook_theme_suggestions_HOOK_alter().
	*/
	function MYTHEME_theme_suggestions_image_formatter_alter(array &$suggestions, array $variables) {
	$entity = $variables['item']->getEntity();
	$field_name = $variables['item']->getParent()->getName();
	$suggestions[] = 'image_formatter__' . $entity->getEntityTypeId() . '__' . $entity->bundle() . '__' . $field_name;
	}