public function SlideConfigurationForm::buildForm in Nivo Slider 8

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 ConfigFormBase::buildForm

File

src/Form/SlideConfigurationForm.php, line 23

Class

SlideConfigurationForm

Namespace

Drupal\nivo_slider\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $config = $this
    ->config('nivo_slider.settings');

  // Get all available slides.
  $slides = $config
    ->get('slides');

  // Upload.
  $form['upload'] = [
    '#type' => 'file',
    '#title' => $this
      ->t('Upload a new slide image'),
  ];

  // Draggable table.
  $form['order'] = [
    '#type' => 'table',
    '#header' => [
      $this
        ->t('Name'),
      $this
        ->t('Published'),
      $this
        ->t('Delete'),
      $this
        ->t('Weight'),
    ],
    '#empty' => $this
      ->t('There are no slides yet.'),
    '#tabledrag' => [
      [
        'order',
        'sibling',
        'slide-weight',
      ],
    ],
    '#tree' => TRUE,
  ];

  // Vertical tab.
  $form['images'] = [
    '#type' => 'vertical_tabs',
    '#title' => $this
      ->t('Slider images'),
    '#tree' => TRUE,
  ];

  // Process available slides.
  foreach ($slides as $slide => $settings) {

    // Table.
    $form['order'][$slide]['#attributes']['class'][] = 'draggable';
    $form['order'][$slide]['#weight'] = $settings['weight'];
    $form['order'][$slide]['title'] = [
      '#plain_text' => $settings['title'],
    ];
    $form['order'][$slide]['published'] = [
      '#type' => 'checkbox',
      '#default_value' => $settings['published'],
    ];
    $form['order'][$slide]['delete'] = [
      '#type' => 'checkbox',
      '#default_value' => $settings['delete'],
    ];
    $form['order'][$slide]['weight'] = [
      '#type' => 'weight',
      '#title' => $this
        ->t('Weight for @title', [
        '@title' => $settings['title'],
      ]),
      '#title_display' => 'invisible',
      '#default_value' => $settings['weight'],
      '#attributes' => [
        'class' => [
          'slide-weight',
        ],
      ],
    ];

    // Vertical Tabs.
    $form['images'][$slide] = [
      '#type' => 'details',
      '#group' => 'images',
      '#title' => $this
        ->t('Image @number: @title', [
        '@number' => $slide + 1,
        '@title' => isset($settings['title']) ? $settings['title'] : '',
      ]),
      '#weight' => $slide,
    ];

    // Load the slide's image file.
    $file = file_load($settings['fid']);

    // Create a preview image of the slide using an image style if appropriate.
    //      if ($config->get('options.image_style') == FALSE && !empty($file)) {
    $variables = array(
      //          'style_name' => 'thumbnail',
      'uri' => $file
        ->getFileUri(),
    );

    // The image.factory service will check if our image is valid.
    $image = \Drupal::service('image.factory')
      ->get($file
      ->getFileUri());
    if ($image
      ->isValid()) {
      $variables['width'] = $image
        ->getWidth();
      $variables['height'] = $image
        ->getHeight();
    }
    else {
      $variables['width'] = $variables['height'] = NULL;
    }
    $image = [
      '#theme' => 'image',
      '#width' => $variables['width'],
      '#height' => $variables['height'],
      //          '#style_name' => $variables['style_name'],
      '#uri' => $variables['uri'],
    ];

    //      }
    //      else {
    //        $variables = [
    //          'uri' => $file->uri,
    //          'style_name' => $config->get('options.image_style_slide'),
    //        ];
    //        $image = theme('image_style', $variables);
    //      }
    $form['images'][$slide]['preview'] = $image;
    $form['images'][$slide]['fid'] = [
      '#type' => 'hidden',
      '#value' => isset($settings['fid']) ? $settings['fid'] : '',
    ];
    $form['images'][$slide]['title'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Title'),
      '#default_value' => isset($settings['title']) ? $settings['title'] : '',
      '#description' => $this
        ->t('The title is used as alternative text for the slide image.'),
    ];
    $form['images'][$slide]['description'] = [
      '#type' => 'text_format',
      '#title' => $this
        ->t('Description'),
      '#default_value' => isset($settings['description']['value']) ? $settings['description']['value'] : '',
      '#format' => isset($settings['description']['format']) ? $settings['description']['format'] : NULL,
      '#description' => $this
        ->t('The description will be displayed with the slide image.'),
    ];
    $form['images'][$slide]['url'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Link slide to URL'),
      '#default_value' => isset($settings['url']) ? $settings['url'] : '',
      '#description' => $this
        ->t('Specify a path or an absolute URL. An example path is @blog for the blog page. An example absolute URL is @url for the Drupal website. @front is the front page.', [
        '@blog' => 'blog',
        '@url' => 'http://drupal.org',
        '@front' => '<front>',
      ]),
    ];
    $form['images'][$slide]['visibility'] = [
      '#type' => 'textarea',
      '#title' => $this
        ->t('Show slide on specific pages'),
      '#description' => $this
        ->t("Specify pages by using their paths. Enter one path per line. The '*' character is a wildcard. Example paths are @blog for the blog page and @blog-wildcard for every personal blog. @front is the front page.", [
        '@blog' => 'blog',
        '@blog-wildcard' => 'blog/*',
        '@front' => '<front>',
      ]),
      '#default_value' => isset($settings['visibility']) ? $settings['visibility'] : '*',
    ];
    $form['images'][$slide]['transition'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Transition'),
      '#options' => [
        '' => $this
          ->t('- Default -'),
        'sliceDown' => $this
          ->t('Slice Down'),
        'sliceDownLeft' => $this
          ->t('Slice Down Left'),
        'sliceUp' => $this
          ->t('Slice Up'),
        'sliceUpLeft' => $this
          ->t('Slice Up Left'),
        'sliceUpDown' => $this
          ->t('Slice Up Down'),
        'sliceUpDownLeft' => $this
          ->t('Slice Up Down Left'),
        'fold' => $this
          ->t('Fold'),
        'fade' => $this
          ->t('Fade'),
        'random' => $this
          ->t('Random'),
        'slideInRight' => $this
          ->t('Slide In Right'),
        'slideInLeft' => $this
          ->t('Slide in Left'),
        'boxRandom' => $this
          ->t('Box Random'),
        'boxRain' => $this
          ->t('Box Rain'),
        'boxRainReverse' => $this
          ->t('Box Rain Reverse'),
        'boxRainGrow' => $this
          ->t('Box Rain Grow'),
        'boxRainGrowReverse' => $this
          ->t('Box Rain Grow Reverse'),
      ],
      '#description' => $this
        ->t('Select a transition. Selecting an option other than %default will force this slide to use the selected transition every time it appears. It overrides all other effect settings.', [
        '%default' => '- Default -',
      ]),
      '#default_value' => isset($settings['transition']) ? $settings['transition'] : '',
    ];
  }
  return parent::buildForm($form, $form_state);
}