entity_print.module in Entity Print 8

Print any entity.

File

entity_print.module

<?php

/**
 * @file
 * Print any entity.
 */
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Link;
use Masterminds\HTML5;

/**
 * Implements hook_theme().
 */
function entity_print_theme($existing, $type, $theme, $path) {
  return array(
    'entity_print' => array(
      'path' => $path . '/templates',
      'template' => 'entity-print',
      'variables' => array(
        'entity_array' => NULL,
        'entity' => NULL,
        'entity_print_css' => NULL,
      ),
    ),
  );
}

/**
 * Implements hook_entity_extra_field_info_alter().
 */
function entity_print_entity_extra_field_info_alter(&$info) {
  foreach ($info as &$entity_info) {
    foreach ($entity_info as &$bundle_info) {
      $bundle_info['display']['entity_print_view'] = [
        'label' => t('Entity Print'),
        'description' => t('Provides a link to view the PDF version of the entity'),
        'weight' => 0,
        'visible' => FALSE,
      ];
    }
  }
}

/**
 * Implements hook_entity_view_alter().
 */
function entity_print_entity_view_alter(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display) {
  if ($display
    ->getComponent('entity_print_view')) {
    $route_params = [
      'entity_type' => $entity
        ->getEntityTypeId(),
      'entity_id' => $entity
        ->id(),
    ];
    $build['entity_print_view'] = Link::createFromRoute($display
      ->getThirdPartySetting('entity_print', 'label', t('View PDF')), 'entity_print.view', $route_params)
      ->toRenderable();

    // Add the access control.
    $build['entity_print_view']['#access'] = \Drupal::accessManager()
      ->checkNamedRoute('entity_print.view', $route_params);
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function entity_print_form_entity_view_display_edit_form_alter(&$form, FormStateInterface $form_state) {

  /** @var \Drupal\Core\Entity\Entity\EntityViewDisplay $display */
  $display = $form_state
    ->getFormObject()
    ->getEntity();
  $form['fields']['entity_print_view']['empty_cell'] = [
    '#type' => 'textfield',
    '#title' => '',
    '#default_value' => $display
      ->getThirdPartySetting('entity_print', 'label', t('View PDF')),
  ];
  $form['#validate'][] = 'entity_print_form_entity_view_display_edit_form_validate';
  $form['actions']['submit']['#submit'][] = 'entity_print_form_entity_view_display_edit_form_submit';
}

/**
 * Entity display form validation handler.
 */
function entity_print_form_entity_view_display_edit_form_validate(&$form, FormStateInterface $form_state) {
  if (empty($form_state
    ->getValue([
    'fields',
    'entity_print_view',
    'empty_cell',
  ]))) {
    $form_state
      ->setErrorByName('fields][entity_print_view][empty_cell', t('The Entity Print fields settings have not been saved. Please enter a non-empty value for the Entity Print field.'));
  }
}

/**
 * Entity display form submit handler.
 */
function entity_print_form_entity_view_display_edit_form_submit(&$form, FormStateInterface $form_state) {

  /** @var \Drupal\Core\Entity\Entity\EntityViewDisplay $display */
  $display = $form_state
    ->getFormObject()
    ->getEntity();

  // If we've enabled the entity_print_view field then save the label for
  // rendering later.
  if ($display
    ->getComponent('entity_print_view')) {
    $value = $form_state
      ->getValue([
      'fields',
      'entity_print_view',
    ])['empty_cell'];
    $display
      ->setThirdPartySetting('entity_print', 'label', $value);
    $display
      ->save();
  }
}

Functions

Name	Description
entity_print_entity_extra_field_info_alter	Implements hook_entity_extra_field_info_alter().
entity_print_entity_view_alter	Implements hook_entity_view_alter().
entity_print_form_entity_view_display_edit_form_alter	Implements hook_form_FORM_ID_alter().
entity_print_form_entity_view_display_edit_form_submit	Entity display form submit handler.
entity_print_form_entity_view_display_edit_form_validate	Entity display form validation handler.
entity_print_theme	Implements hook_theme().