SimpleSearchFormBlock.php in Simple search form 8

Namespace

Drupal\simple_search_form\Plugin\Block

File

src/Plugin/Block/SimpleSearchFormBlock.php

<?php

namespace Drupal\simple_search_form\Plugin\Block;

use Drupal\Component\Serialization\Json;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Form\FormStateInterface;

/**
 * Provides a 'SimpleSearchFormBlock' block.
 *
 * @Block(
 *   id = "simple_search_form_block",
 *   admin_label = @Translation("Simple search form"),
 *   category = @Translation("Search")
 * )
 */
class SimpleSearchFormBlock extends BlockBase implements ContainerFactoryPluginInterface {

  /**
   * The module handler.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;

  /**
   * {@inheritdoc}
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param string $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, ModuleHandlerInterface $module_handler) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->moduleHandler = $module_handler;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('module_handler'));
  }

  /**
   * {@inheritdoc}
   */
  public function build() {
    return [
      'form' => [
        '#lazy_builder' => [
          'simple_search_form.lazy_builder:getForm',
          [
            Json::encode($this
              ->getConfiguration()),
          ],
        ],
        '#create_placeholder' => TRUE,
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    $config = parent::defaultConfiguration();
    $config['action_path'] = '';
    $config['get_parameter'] = '';
    $config['input_type'] = 'search';
    $config['search_api_autocomplete'] = [
      'search_id' => '',
      'display' => '',
      'arguments' => '',
      'filter' => '',
    ];
    $config['input_label_display'] = 'before';
    $config['input_label'] = 'Search';
    $config['input_placeholder'] = '';
    $config['input_css_classes'] = '';
    $config['submit_display'] = TRUE;
    $config['submit_label'] = 'Find';
    $config['input_keep_value'] = FALSE;
    return $config;
  }

  /**
   * {@inheritdoc}
   */
  public function blockForm($form, FormStateInterface $form_state) {
    $form['action_path'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Path'),
      '#description' => $this
        ->t('The path to redirect to.'),
      '#required' => TRUE,
      '#default_value' => $this->configuration['action_path'],
    ];
    $form['get_parameter'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('GET parameter'),
      '#description' => $this
        ->t('The $_GET parameter name.'),
      '#required' => TRUE,
      '#default_value' => $this->configuration['get_parameter'],
    ];
    $form['input_type'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Input element type'),
      '#options' => [
        'search' => $this
          ->t('Search'),
        'textfield' => $this
          ->t('Text field'),
      ],
      '#default_value' => $this->configuration['input_type'],
    ];
    if ($this->moduleHandler
      ->moduleExists('search_api_autocomplete')) {
      $form['input_type']['#options']['search_api_autocomplete'] = $this
        ->t('Search API Autocomplete');
      $form['search_api_autocomplete'] = [
        '#type' => 'details',
        '#title' => $this
          ->t('Search API views view to be used:'),
        '#tree' => TRUE,
        '#open' => TRUE,
        '#states' => [
          'visible' => [
            'select[name="settings[input_type]"]' => [
              'value' => 'search_api_autocomplete',
            ],
          ],
        ],
      ];
      $form['search_api_autocomplete']['search_id'] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('View ID'),
        '#default_value' => $this->configuration['search_api_autocomplete']['search_id'],
        '#states' => [
          'required' => [
            'select[name="settings[input_type]"]' => [
              'value' => 'search_api_autocomplete',
            ],
          ],
        ],
      ];
      $form['search_api_autocomplete']['display'] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('View display ID'),
        '#default_value' => $this->configuration['search_api_autocomplete']['display'],
        '#states' => [
          'required' => [
            'select[name="settings[input_type]"]' => [
              'value' => 'search_api_autocomplete',
            ],
          ],
        ],
      ];
      $form['search_api_autocomplete']['filter'] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('Fulltext search filter machine name'),
        '#default_value' => $this->configuration['search_api_autocomplete']['filter'],
        '#states' => [
          'required' => [
            'select[name="settings[input_type]"]' => [
              'value' => 'search_api_autocomplete',
            ],
          ],
        ],
      ];
      $form['search_api_autocomplete']['arguments'] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('View arguments'),
        '#description' => $this
          ->t('Comma separated values.'),
        '#default_value' => $this->configuration['search_api_autocomplete']['arguments'],
      ];
    }
    $form['input_label_display'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Label display mode'),
      '#options' => [
        'before' => $this
          ->t('Before'),
        'after' => $this
          ->t('After'),
        'invisible' => $this
          ->t('Invisible'),
      ],
      '#default_value' => $this->configuration['input_label_display'],
    ];
    $form['input_label'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Search label'),
      '#description' => $this
        ->t('The label of a search input.'),
      '#default_value' => $this->configuration['input_label'],
    ];
    $form['input_placeholder'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Search placeholder'),
      '#description' => $this
        ->t('The placeholder for a search input.'),
      '#default_value' => $this->configuration['input_placeholder'],
    ];
    $form['input_css_classes'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Search CSS classes'),
      '#description' => $this
        ->t('Space separated list of CSS classes to add to a search input.'),
      '#default_value' => $this->configuration['input_css_classes'],
    ];
    $form['submit_display'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Display submit button'),
      '#default_value' => $this->configuration['submit_display'],
    ];
    $form['submit_label'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Submit label'),
      '#description' => $this
        ->t('The label of a submit button.'),
      '#default_value' => $this->configuration['submit_label'],
    ];
    $form['input_keep_value'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Keep value in search input after form submit'),
      '#default_value' => $this->configuration['input_keep_value'],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function blockSubmit($form, FormStateInterface $form_state) {
    $this->configuration['action_path'] = $form_state
      ->getValue('action_path');
    $this->configuration['get_parameter'] = $form_state
      ->getValue('get_parameter');
    $this->configuration['input_type'] = $form_state
      ->getValue('input_type');
    $this->configuration['input_label'] = $form_state
      ->getValue('input_label');
    $this->configuration['input_label_display'] = $form_state
      ->getValue('input_label_display');
    $this->configuration['input_placeholder'] = $form_state
      ->getValue('input_placeholder');
    $this->configuration['input_css_classes'] = $form_state
      ->getValue('input_css_classes');
    $this->configuration['submit_display'] = $form_state
      ->getValue('submit_display');
    $this->configuration['submit_label'] = $form_state
      ->getValue('submit_label');
    $this->configuration['input_keep_value'] = $form_state
      ->getValue('input_keep_value');
    $this->configuration['search_api_autocomplete'] = $this->moduleHandler
      ->moduleExists('search_api_autocomplete') ? $form_state
      ->getValue('search_api_autocomplete') : [];
  }

}

Classes

Name	Description
SimpleSearchFormBlock	Provides a 'SimpleSearchFormBlock' block.