function layout_block_add_page

Menu callback; Display a list of blocks to be added to a layout.

File

core/modules/layout/layout.admin.inc, line 1341

Admin page callbacks for the Layout module.

Code

function layout_block_add_page(Layout $layout, $renderer_name, $region_name, $block_key = NULL) {
  /* @var Layout $layout */
  $form_state['layout'] = $layout;
  $template_info = layout_get_layout_template_info($layout->layout_template);
  if (!array_key_exists($region_name, $template_info['regions'])) {
    return MENU_NOT_FOUND;
  }

  // If a block has been selected, return the block configuration form.
  if (isset($block_key)) {
    list($module, $delta) = explode(':', $block_key);
    $block_info = layout_get_block_info($module, $delta);
    if (!$block_info) {
      return MENU_NOT_FOUND;
    }

    $block = layout_create_handler('block', $block_key);
    return backdrop_get_form('layout_block_configure_form', $layout, $block, $renderer_name, $region_name);
  }

  $blocks = layout_get_block_info();

  // Assemble all blocks into a single list and sort.
  $block_list = array();
  foreach ($blocks as $module => $module_blocks) {
    if (empty($module_blocks)) {
      continue;
    }
    foreach ($module_blocks as $delta => $block_info) {
      /* @var Block $parent_block */
      $parent_block = layout_create_handler('block', $module . ':' . $delta);
      $children = $parent_block->getChildren();
      if (is_array($children)) {
        foreach ($children as $child_id => $child_info) {
          // Skip blocks that don't have context requirements met.
          $required_contexts = isset($child_info['required contexts']) ? $child_info['required contexts'] : array();
          if ($layout->hasContexts($required_contexts)) {
            $block_list[$module . ':' . $delta . ':' . $child_id] = $child_info;
          }
        }
      }
      else {
        $required_contexts = isset($block_info['required contexts']) ? $block_info['required contexts'] : array();
        // Skip blocks that don't have context requirements met.
        if ($layout->hasContexts($required_contexts)) {
          $block_list[$module . ':' . $delta] = $block_info;
        }
      }
    }
  }
  backdrop_sort($block_list, array('info' => SORT_STRING));

  $output['search'] = array(
    '#type' => 'textfield',
    '#title' => t('Search'),
    '#attributes' => array(
      'id' => array('layout-block-list-search'),
    ),
    // Hide the search if no JavaScript is available.
    '#wrapper_attributes' => array(
      'class' => array('js-show'),
    ),
  );
  $output['block_list'] = array(
    '#type' => 'container',
    '#attributes' => array(
      'class' => array('layout-block-list'),
    ),
  );

  $output['block_list']['block_list_inner'] = array(
    '#type' => 'container',
    '#attributes' => array(
      'class' => array('layout-block-list-wrapper'),
    ),
  );

  foreach ($block_list as $key => $block_info) {
    $output['block_list']['block_list_inner'][$key] = array(
      '#type' => 'item',
      '#markup' => l(
      $block_info['info'], 
      'admin/structure/layouts/manage/' . $layout->name . '/add-block/' . $renderer_name . '/' . $region_name . '/' . $key, 
      array(
        'attributes' => array(
          'class' => array('use-ajax block-item'),
          'data-dialog' => TRUE,
          'data-dialog-options' => json_encode(array('dialogClass' => 'layout-dialog')),
        )
      )
      ),
      '#description' => isset($block_info['description']) ? filter_xss($block_info['description']) : NULL,
      '#wrapper_attributes' => array('class' => array('layout-block-add-row'))
    );
  }

  return $output;
}