public function AddHandler::buildForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/views_ui/src/Form/Ajax/AddHandler.php \Drupal\views_ui\Form\Ajax\AddHandler::buildForm()
2. 10 core/modules/views_ui/src/Form/Ajax/AddHandler.php \Drupal\views_ui\Form\Ajax\AddHandler::buildForm()

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form structure.

Overrides FormInterface::buildForm

File

core/modules/views_ui/src/Form/Ajax/AddHandler.php, line 49

Class

AddHandler

Provides a form for adding an item in the Views UI.

Namespace

Drupal\views_ui\Form\Ajax

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $view = $form_state
    ->get('view');
  $display_id = $form_state
    ->get('display_id');
  $type = $form_state
    ->get('type');
  $form = [
    'options' => [
      '#theme_wrappers' => [
        'container',
      ],
      '#attributes' => [
        'class' => [
          'scroll',
        ],
        'data-drupal-views-scroll' => TRUE,
      ],
    ],
  ];
  $executable = $view
    ->getExecutable();
  if (!$executable
    ->setDisplay($display_id)) {
    $form['markup'] = [
      '#markup' => $this
        ->t('Invalid display id @display', [
        '@display' => $display_id,
      ]),
    ];
    return $form;
  }
  $display =& $executable->displayHandlers
    ->get($display_id);
  $types = ViewExecutable::getHandlerTypes();
  $ltitle = $types[$type]['ltitle'];
  $section = $types[$type]['plural'];
  if (!empty($types[$type]['type'])) {
    $type = $types[$type]['type'];
  }
  $form['#title'] = $this
    ->t('Add @type', [
    '@type' => $ltitle,
  ]);
  $form['#section'] = $display_id . 'add-handler';

  // Add the display override dropdown.
  views_ui_standard_display_dropdown($form, $form_state, $section);

  // Figure out all the base tables allowed based upon what the relationships provide.
  $base_tables = $executable
    ->getBaseTables();
  $options = Views::viewsDataHelper()
    ->fetchFields(array_keys($base_tables), $type, $display
    ->useGroupBy(), $form_state
    ->get('type'));
  if (!empty($options)) {
    $form['override']['controls'] = [
      '#theme_wrappers' => [
        'container',
      ],
      '#id' => 'views-filterable-options-controls',
      '#attributes' => [
        'class' => [
          'form--inline',
          'views-filterable-options-controls',
        ],
      ],
    ];
    $form['override']['controls']['options_search'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Search'),
    ];
    $groups = [
      'all' => $this
        ->t('- All -'),
    ];
    $form['override']['controls']['group'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Category'),
      '#options' => [],
    ];
    $form['options']['name'] = [
      '#prefix' => '<div class="views-radio-box form-checkboxes views-filterable-options">',
      '#suffix' => '</div>',
      '#type' => 'tableselect',
      '#header' => [
        'title' => $this
          ->t('Title'),
        'group' => $this
          ->t('Category'),
        'help' => $this
          ->t('Description'),
      ],
      '#js_select' => FALSE,
    ];
    $grouped_options = [];
    foreach ($options as $key => $option) {
      $group = preg_replace('/[^a-z0-9]/', '-', strtolower($option['group']));
      $groups[$group] = $option['group'];
      $grouped_options[$group][$key] = $option;
      if (!empty($option['aliases']) && is_array($option['aliases'])) {
        foreach ($option['aliases'] as $id => $alias) {
          if (empty($alias['base']) || !empty($base_tables[$alias['base']])) {
            $copy = $option;
            $copy['group'] = $alias['group'];
            $copy['title'] = $alias['title'];
            if (isset($alias['help'])) {
              $copy['help'] = $alias['help'];
            }
            $group = preg_replace('/[^a-z0-9]/', '-', strtolower($copy['group']));
            $groups[$group] = $copy['group'];
            $grouped_options[$group][$key . '$' . $id] = $copy;
          }
        }
      }
    }
    foreach ($grouped_options as $group => $group_options) {
      foreach ($group_options as $key => $option) {
        $form['options']['name']['#options'][$key] = [
          '#attributes' => [
            'class' => [
              'filterable-option',
              $group,
            ],
          ],
          'title' => [
            'data' => [
              '#title' => $option['title'],
              '#plain_text' => $option['title'],
            ],
            'class' => [
              'title',
            ],
          ],
          'group' => $option['group'],
          'help' => [
            'data' => $option['help'],
            'class' => [
              'description',
            ],
          ],
        ];
      }
    }
    $form['override']['controls']['group']['#options'] = $groups;
  }
  else {
    $form['options']['markup'] = [
      '#markup' => '<div class="js-form-item form-item">' . $this
        ->t('There are no @types available to add.', [
        '@types' => $ltitle,
      ]) . '</div>',
    ];
  }

  // Add a div to show the selected items
  $form['selected'] = [
    '#type' => 'item',
    '#markup' => '<span class="views-ui-view-title">' . $this
      ->t('Selected:') . '</span> ' . '<div class="views-selected-options"></div>',
    '#theme_wrappers' => [
      'form_element',
      'views_ui_container',
    ],
    '#attributes' => [
      'class' => [
        'container-inline',
        'views-add-form-selected',
        'views-offset-bottom',
      ],
      'data-drupal-views-offset' => 'bottom',
    ],
  ];
  $view
    ->getStandardButtons($form, $form_state, 'views_ui_add_handler_form', $this
    ->t('Add and configure @types', [
    '@types' => $ltitle,
  ]));

  // Remove the default submit function.
  $form['actions']['submit']['#submit'] = array_filter($form['actions']['submit']['#submit'], function ($var) {
    return !(is_array($var) && isset($var[1]) && $var[1] == 'standardSubmit');
  });
  $form['actions']['submit']['#submit'][] = [
    $view,
    'submitItemAdd',
  ];
  return $form;
}