public function MultiNodeAddForm::buildForm in Multi Node Add 8

Form constructor.

Parameters

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

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

Drupal\node\NodeTypeInterface $node_type: Selected node type.

Return value

array The form structure.

Overrides FormInterface::buildForm

File

src/Form/MultiNodeAddForm.php, line 38

Class

MultiNodeAddForm

Form to launch Multi Node Add process.

Namespace

Drupal\multi_node_add\Form

Code

public function buildForm(array $form, FormStateInterface $form_state, NodeTypeInterface $node_type = NULL) {
  global $base_path;
  $form['#attached']['drupalSettings']['multiNodeAdd'] = [
    'callback' => $base_path . Url::fromRoute('multi_node_add.frame', [
      'node_type' => $node_type
        ->getOriginalId(),
      'fields' => '#fields',
    ], [
      'absolute' => TRUE,
    ])
      ->getInternalPath(),
  ];
  $prefilled = FALSE;
  if (isset($_GET['fields']) && isset($_GET['num'])) {
    $form['#attached']['drupalSettings']['multiNodeAdd'] = [
      'multiNodeAddPreload' => [
        'fields' => explode(',', $_GET['fields']),
        'num' => $_GET['num'],
      ],
    ];
    $prefilled = TRUE;
  }
  if (!$prefilled) {
    $fields = \Drupal::entityManager()
      ->getFieldDefinitions('node', $node_type
      ->get('type'));
    $req_val = [];
    $field_req = [];
    $field_names = [];
    foreach ($fields as $field_name => $entry) {
      if (!$entry
        ->isReadOnly() && !$entry
        ->isComputed()) {
        if ($entry
          ->isRequired()) {
          $field_req[$field_name] = $entry
            ->getLabel();
          $req_val[$field_name] = $field_name;
        }
        else {
          $field_names[$field_name] = $entry
            ->getLabel();
        }
      }
    }
    $form['#attached']['library'][] = 'multi_node_add/multi_node_add';
    $form['hint']['#markup'] = '<div class="warning messages js">' . t('Multi Node Add requires Javascript to provide the needed functionality') . '</div>';
    $form['info']['#value'] = t('Current content-type: %type', [
      '%type' => $node_type
        ->label(),
    ]);
    if (!empty($field_req)) {
      $form['fields_req'] = [
        '#type' => 'checkboxes',
        '#options' => $field_req,
        '#default_value' => $req_val,
        '#title' => t('Mandatory fields'),
        '#attributes' => [
          'class' => [
            'multi-node-add',
          ],
        ],
        '#disabled' => TRUE,
      ];
    }
    if (!empty($field_names)) {
      $form['fields_to_utilize'] = [
        '#type' => 'checkboxes',
        '#options' => $field_names,
        '#title' => t('Fields to manage'),
        '#attributes' => [
          'class' => [
            'multi-node-add',
          ],
        ],
        '#description' => t('Choose those fields that you would like to edit on the new nodes'),
      ];
    }

    // If there are no available fields, we should not offer a form.
    if (empty($field_names) && empty($field_req)) {
      drupal_set_message(t('Unable to generate multiple nodes for this content type (failed to detect usable fields).'), 'warning');
      return $form;
    }
    $form['number'] = [
      '#type' => 'textfield',
      '#default_value' => 2,
      '#size' => 2,
      '#required' => TRUE,
      '#title' => t('Number of rows'),
    ];
    $form['show'] = [
      '#type' => 'button',
      '#value' => t('Show'),
    ];
    $form['shortcut'] = [
      '#type' => 'button',
      '#value' => t('Get shortcut URL'),
    ];
  }
  $common_attr = [
    '#attributes' => [
      'class' => [
        'second-step',
      ],
    ],
  ];
  $form['addmore'] = [
    '#type' => 'button',
    '#value' => t('Add 2 more nodes'),
  ] + $common_attr;
  $form['create'] = [
    '#type' => 'button',
    '#value' => t('Create all nodes'),
  ] + $common_attr;
  $form['prepopulate'] = [
    '#type' => 'button',
    '#value' => t('Prepopulate based on first form'),
  ] + $common_attr;
  $form['placeholder']['#markup'] = '<div id="multi_node_add_frames"></div>';
  return $form;
}