layoutcomponents-8.x-1.14-beta2/modules/lc_simple_image/lc_simple_image.module

<?php

/**
 * @file
 * LC Simple image module file.
 */

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\field\Entity\FieldStorageConfig;
use Drupal\block_content\Entity\BlockContent;

/**
 * Implements hook_theme().
 */
function lc_simple_image_theme($existing, $type, $theme, $path) {
  return [
    'layoutcomponents_block_content__simple_image' => [
      'base hook' => 'block',
    ],
  ];
}

/**
 * Implements hook_page_attachments().
 */
function lc_simple_image_page_attachments(&$page) {
  $page['#attached']['library'][] = 'lc_simple_image/lc_simple_image';
}

/**
 * Implements hook_help().
 */
function lc_simple_image_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Create help page.
    case 'help.page.lc_simple_image':
      $module_handler = \Drupal::service('module_handler');
      $module_path = $module_handler->getModule('lc_simple_image')->getPath();
      $file = $module_path . '/README.md';
      if (!file_exists($file)) {
        return '';
      }

      // Get content from file.
      $reader = file_get_contents($file);

      // Return "clean" content.
      return preg_replace("/\r\n|\n|\r/", "<br>", $reader);
  }
}

/**
 * Implements hook_preprocess_field().
 */
function lc_simple_image_preprocess_field(&$variables) {
  if ($variables['field_type'] == "image") {
    $element = $variables['element'];

    foreach ($variables['items'] as $i => $item) {
      // Does not apply the following modifications to image in case the
      // `image_url` is selected as the field display format.
      if ($variables['element']['#formatter'] == 'image_url') {
        continue;
      }

      /** @var \Drupal\image\Plugin\Field\FieldType\ImageItem $imageItem */
      $imageItem = $variables['items'][$i]['content']['#item'];

      if (!isset($imageItem->getEntity()->_referringItem)) {
        continue;
      }

      $variables['items'][$i]['content']['#cache']['max-age'] = 0;
      $variables['items'][$i]['content']['#cache']['contexts'] = [];
      $variables['items'][$i]['content']['#cache']['tags'] = [];

      // Get block entity.
      $parent = $imageItem->getEntity()->_referringItem->getEntity();

      if (!$parent instanceof BlockContent) {
        continue;
      }

      if ($parent->bundle() != "simple_image") {
        continue;
      }

      // Block.
      $parent_id = str_replace(" ", "_", $parent->uuid());

      // Default item.
      $styles = [];
      $classes = ["lc-inline_block_$parent_id-image-edit"];

      // Image.
      $display = $parent->get('field_si_image_display')->getString();

      // Borders.
      $border_type = $parent->get('field_si_border_type')->getString();
      $border_size = $parent->get('field_si_border_size')->getString();
      $border_color = $parent->get('field_si_border_color')->getString();
      $border_radius = $parent->get('field_si_border_radius')->getString();

      // Margins.
      $align = $parent->get('field_si_align')->getString();
      $margin_top = $parent->get('field_si_margin_top')->getString();
      $margin_bottom = $parent->get('field_si_margin_bottom')->getString();

      // Sizing.
      $width = $parent->get('field_si_width')->getString();

      // Misc.
      $extra_class = $parent->get('field_si_extra_class')->getString();
      $extra_attributes = $parent->get('field_si_extra_attributes')->getString();

      // Set new border.
      if (!empty($border_type)) {
        $border = 'border';
        if ($border_type != 'all') {
          $border .= "-" . $border_type . ":";
        }
        else {
          $border .= ":";
        }
        if (!empty($border_size)) {
          $styles[] = $border . " " . $border_size . "px solid;";
          $styles[] = "border-color: $border_color ;";
        }
      }

      // Set border radius.
      if (!empty($border_radius)) {
        $styles[] = "border-radius: " . $border_radius . "px;";
      }

      // Set margin top.
      if (!empty($margin_top)) {
        $styles[] = "margin-top: " . $margin_top . "px;";
      }

      // Set margin bottom.
      if (!empty($margin_bottom)) {
        $styles[] = "margin-bottom: " . $margin_bottom . "px;";
      }

      // Set width.
      if (!empty($width)) {
        if ($width > 0) {
          $styles[] = "width: " . $width . "%;";
        }
        else {
          $styles[] = "width: 100%;";

        }
      }

      $styles[] = 'max-width: 100%;';
      $styles[] = 'height: auto;';

      // Set classes.
      if (!empty($extra_class)) {
        $extra_class = explode(" ", $extra_class);
        $classes = array_merge($classes, $extra_class);
      }

      // Set attributes.
      $ex_attributes = [];
      if (!empty($extra_attributes)) {
        $parts = explode(" ", $extra_attributes);
        foreach ($parts as $attribute) {
          if (strpos($attribute, '|') !== FALSE) {
            [$key, $value] = explode('|', $attribute);
            $ex_attributes[$key] = $value;
          }
        }
      }

      // Set new classes and styles.
      $attributes = [
        'class' => $classes,
        'style' => implode($styles),
      ];

      // Merge new attributes.
      $attributes = array_merge($attributes, $ex_attributes);
      $variables['items'][$i]['content']['#item_attributes'] = $attributes;
      $variables['items'][$i]['content']['#image_style'] = $display;

      // Create image container.
      $container = [
        '#type' => "container",
        '#attributes' => [
          'class' => [
            "lc-inline_block_$parent_id-image-container-edit",
            "pl-0",
            "pr-0",
            "d-flex",
            $align,
          ],
        ],
        'content' => $variables['items'][$i]['content'],
      ];

      $variables['items'][$i]['content'] = $container;
    }
  }
}

/**
 * Implements hook_inline_entity_form_entity_form_alter().
 */
function lc_simple_image_inline_entity_form_entity_form_alter(&$entity_form, &$form_state) {
  if ($entity_form['#bundle'] == 'simple_image') {
    if (!array_key_exists('#default_value', $entity_form) || !isset($entity_form['#default_value'])) {
      return;
    }
    /** @var \Drupal\block_content\Entity\BlockContent $block */
    $block = $entity_form['#default_value'];
    $block_id = str_replace(" ", "_", $block->uuid());
    _lc_simple_image_form_alter($entity_form, $block_id);
  }
}

/**
 * Implements hook_block_type_form_alter().
 */
function lc_simple_image_block_type_form_alter(array &$form, FormStateInterface &$form_state, $block_type) {
  if ($block_type == "simple_image") {
    if (!array_key_exists('#block', $form)) {
      return;
    }
    /** @var \Drupal\block_content\Entity\BlockContent $block */
    $block = $form['#block'];
    $block_id = str_replace(" ", "_", $block->uuid());
    _lc_simple_image_form_alter($form, $block_id);
  }
}

/**
 * Change the elements with LayoutComponents Api.
 *
 * @param array $form
 *   The array with the form.
 * @param string $block_id
 *   The id of the block.
 */
function _lc_simple_image_form_alter(array &$form, $block_id) {
  /** @var \Drupal\layoutcomponents\Api\Component $lcApi */
  $lcApi = Drupal::service('layoutcomponents.apiComponent');

  // LC inline image.
  $image = $form['field_si_image']['widget'];
  $form['field_si_image']['widget'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'input' => 'media',
      'type' => 'attribute',
      'style' => 'image',
      'element' => 'media',
    ],
    $image
  );

  // LC inline image display.
  $styles = \Drupal::entityTypeManager()->getStorage('image_style')->loadMultiple();
  $options = [];

  /** @var \Drupal\image\Entity\ImageStyle $style */
  foreach ($styles as $style) {
    $options[$style->id()] = $style->label();
  }

  $display = $form['field_si_image_display']['widget'];
  $display['#options'] = array_merge($display['#options'], $options);
  $form['field_si_image_display']['widget'] = $lcApi->getComponentElement(
    [
      'no_lc' => TRUE,
    ],
    $display
  );

  // Ensure that the new options are also added to the allowed_values list.
  $fieldStorage = FieldStorageConfig::loadByName('block_content', 'field_si_image_display');
  $fieldStorage->setSetting('allowed_values', $options);
  $fieldStorage->save();

  // LC inline border type.
  $border_type = $form['field_si_border_type']['widget'];
  $form['field_si_border_type']['widget'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'input' => 'select',
      'type' => 'style',
      'style' => 'border',
      'depend' => [
        'size' => 'lc-inline_block_' . $block_id . '-image-border_size',
        'color' => 'lc-inline_block_' . $block_id . '-image-border_color',
      ],
      'element' => 'select',
      'class' => 'border_type',
    ],
    $border_type
  );

  // LC inline border size.
  $border_size = $form['field_si_border_size']['widget'][0]['value'];
  $form['field_si_border_size']['widget'][0]['value'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'input' => 'slider',
      'type' => 'style',
      'style' => 'border-size',
      'depend' => [
        'type' => 'lc-inline_block_' . $block_id . '-image-border_type',
        'color' => 'lc-inline_block_' . $block_id . '-image-border_color',
      ],
      'element' => 'slider',
      'class' => 'border_size',
    ],
    $border_size
  );

  // LC inline border color.
  $border_color = $form['field_si_border_color']['widget'][0];
  $form['field_si_border_color']['widget'][0] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'type' => 'style',
      'style' => 'border-color',
      'depend' => [
        'type' => 'lc-inline_block_' . $block_id . '-image-border_type',
        'size' => 'lc-inline_block_' . $block_id . '-image-border_size',
      ],
      'element' => 'color',
      'class' => 'border_color',
    ],
    $border_color
  );

  // LC inline border radius.
  $border_radius = $form['field_si_border_radius']['widget'][0]['value'];
  $form['field_si_border_radius']['widget'][0]['value'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'type' => 'style',
      'style' => 'border-radius',
      'element' => 'slider',
      'class' => 'border_color',
    ],
    $border_radius
  );

  // LC inline align.
  $align = $form['field_si_align']['widget'];
  $form['field_si_align']['widget'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image-container',
      'type' => 'class',
      'style' => 'align',
      'class_remove' => 'justify-content-*',
      'element' => 'select',
      'class' => 'align',
    ],
    $align
  );

  // LC inline margin top.
  $margin_top = $form['field_si_margin_top']['widget'][0]['value'];
  $form['field_si_margin_top']['widget'][0]['value'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'type' => 'style',
      'style' => 'margin-top',
      'element' => 'slider',
      'class' => 'margin_top',
    ],
    $margin_top
  );

  // LC inline margin bottom.
  $margin_bottom = $form['field_si_margin_bottom']['widget'][0]['value'];
  $form['field_si_margin_bottom']['widget'][0]['value'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'type' => 'style',
      'style' => 'margin-bottom',
      'element' => 'slider',
      'class' => 'margin_bottom',
    ],
    $margin_bottom
  );

  // LC inline width.
  $width = $form['field_si_width']['widget'][0]['value'];
  $form['field_si_width']['widget'][0]['value'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'type' => 'style',
      'style' => 'width',
      'element' => 'slider',
      'class' => 'width',
    ],
    $width
  );

  // LC inline extra class.
  $extra_class = $form['field_si_extra_class']['widget'][0]['value'];
  $form['field_si_extra_class']['widget'][0]['value'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'input' => 'text',
      'type' => 'class',
      'style' => 'extra_class',
      'element' => 'text',
    ],
    $extra_class
  );

  // LC extra attributes.
  $extra_attributes = &$form['field_si_extra_attributes']['widget'][0]['value'];
  $form['field_si_extra_attributes']['widget'][0]['value'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-image',
      'input' => 'text',
      'type' => 'attribute',
      'style' => 'extra_attributes',
      'element' => 'text',
    ],
    $extra_attributes
  );
}