public function CartForm::buildForm in Ubercart 8.4

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

uc_cart/src/Form/CartForm.php, line 82

Class

CartForm

Displays the contents of the customer's cart.

Namespace

Drupal\uc_cart\Form

Code

public function buildForm(array $form, FormStateInterface $form_state, CartInterface $cart = NULL) {
  $form['#attached']['library'][] = 'uc_cart/uc_cart.styles';
  $cart_config = $this
    ->config('uc_cart.settings');
  $form['items'] = [
    '#type' => 'table',
    '#tree' => TRUE,
    '#header' => [
      'remove' => [
        'data' => $this
          ->t('Remove'),
        'class' => [
          'remove',
        ],
      ],
      'image' => [
        'data' => '',
        'class' => [
          'image',
          RESPONSIVE_PRIORITY_LOW,
        ],
      ],
      'desc' => [
        'data' => $this
          ->t('Product'),
        'class' => [
          'desc',
        ],
      ],
      'qty' => [
        'data' => $this
          ->t('Quantity'),
        'class' => [
          'qty',
        ],
      ],
      'total' => [
        'data' => $this
          ->t('Total'),
        'class' => [
          'price',
        ],
      ],
    ],
  ];
  $form['data'] = [
    '#tree' => TRUE,
    '#parents' => [
      'items',
    ],
  ];
  $i = 0;
  $subtotal = 0;
  foreach ($cart
    ->getContents() as $cart_item) {
    $item = $this->moduleHandler
      ->invoke($cart_item->data->module, 'uc_cart_display', [
      $cart_item,
    ]);
    if (Element::children($item)) {
      $form['items'][$i]['remove'] = $item['remove'];
      $form['items'][$i]['remove']['#name'] = 'remove-' . $i;
      $form['items'][$i]['remove']['#wrapper_attributes'] = [
        'class' => [
          'remove',
        ],
      ];
      $form['items'][$i]['image'] = uc_product_get_picture($item['nid']['#value'], 'uc_cart');
      $form['items'][$i]['image']['#wrapper_attributes'] = [
        'class' => [
          'image',
        ],
      ];
      $form['items'][$i]['desc']['title'] = $item['title'];
      $form['items'][$i]['desc']['description'] = $item['description'];
      $form['items'][$i]['desc']['#wrapper_attributes'] = [
        'class' => [
          'desc',
        ],
      ];
      $form['items'][$i]['qty'] = $item['qty'];
      $form['items'][$i]['qty']['#wrapper_attributes'] = [
        'class' => [
          'qty',
        ],
      ];
      $form['items'][$i]['total'] = [
        '#theme' => 'uc_price',
        '#price' => $item['#total'],
        '#wrapper_attributes' => [
          'class' => [
            'price',
          ],
        ],
      ];
      if (!empty($item['#suffixes'])) {
        $form['items'][$i]['total']['#suffixes'] = $item['#suffixes'];
      }
      $form['data'][$i]['module'] = $item['module'];
      $form['data'][$i]['nid'] = $item['nid'];
      $form['data'][$i]['data'] = $item['data'];
      $form['data'][$i]['title'] = [
        '#type' => 'value',
        // $item['title'] can be either #markup or #type => 'link',
        // so render it.
        '#value' => drupal_render($item['title']),
      ];
      $subtotal += $item['#total'];
    }
    $i++;
  }
  $footer[] = [
    [
      '',
    ],
    [
      '',
    ],
    [
      'data' => [
        '#markup' => $this
          ->t('Subtotal:'),
      ],
      'colspan' => 2,
      'class' => [
        'subtotal-title',
      ],
    ],
    [
      'data' => [
        '#theme' => 'uc_price',
        '#price' => $subtotal,
      ],
      'class' => [
        'price',
      ],
    ],
  ];
  $form['items']['#footer'] = $footer;
  $form['actions'] = [
    '#type' => 'actions',
  ];

  // If the continue shopping element is enabled...
  if (($cs_type = $cart_config
    ->get('continue_shopping_type')) !== 'none') {

    // Add the element to the form based on the element type.
    if ($cart_config
      ->get('continue_shopping_type') == 'link') {
      $form['actions']['continue_shopping'] = [
        '#type' => 'link',
        '#title' => $this
          ->t('Continue shopping'),
        '#url' => Url::fromUri('internal:' . $this
          ->continueShoppingUrl()),
      ];
    }
    elseif ($cart_config
      ->get('continue_shopping_type') == 'button') {
      $form['actions']['continue_shopping'] = [
        '#type' => 'submit',
        '#value' => $this
          ->t('Continue shopping'),
        '#submit' => [
          [
            $this,
            'submitForm',
          ],
          [
            $this,
            'continueShopping',
          ],
        ],
      ];
    }
  }

  // Add the empty cart button if enabled.
  if ($cart_config
    ->get('empty_button')) {
    $form['actions']['empty'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Empty cart'),
      '#submit' => [
        [
          $this,
          'emptyCart',
        ],
      ],
    ];
  }

  // Add the control buttons for updating and proceeding to checkout.
  $form['actions']['update'] = [
    '#type' => 'submit',
    '#name' => 'update-cart',
    '#value' => $this
      ->t('Update cart'),
    '#submit' => [
      [
        $this,
        'submitForm',
      ],
      [
        $this,
        'displayUpdateMessage',
      ],
    ],
  ];
  $form['actions']['checkout'] = [
    '#theme' => 'uc_cart_checkout_buttons',
  ];
  if ($cart_config
    ->get('checkout_enabled')) {
    $form['actions']['checkout']['checkout'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Checkout'),
      '#button_type' => 'primary',
      '#submit' => [
        [
          $this,
          'submitForm',
        ],
        [
          $this,
          'checkout',
        ],
      ],
    ];
  }
  $this->renderer
    ->addCacheableDependency($form, $cart);
  $this->renderer
    ->addCacheableDependency($form, $cart_config);
  return $form;
}