function tablefield_cellspan_preprocess_table in TableField 8.2

Implements hook_preprocess_HOOK().

File

tablefield_cellspan/tablefield_cellspan.module, line 11

This module holds functions useful for advanced table layouts.

Code

function tablefield_cellspan_preprocess_table(&$variables) {

  // Only fire on front-end.
  if (!\Drupal::service('router.admin_context')
    ->isAdminRoute()) {
    $previous_row = FALSE;
    $spancol = [];
    foreach ($variables['rows'] as $row_key => $row) {
      $colspan = 2;
      foreach ($row['cells'] as $col_key => $cell) {
        if (is_array($cell['content']) || is_object($cell['content'])) {
          break;
        }
        if (!isset($spancol[$col_key])) {
          $spancol[$col_key]['rowspan'] = 2;
          $spancol[$col_key]['spancol'] = FALSE;
        }
        preg_match("/(?:#colspan#)/", $cell['content'], $match);

        // Is #colspan# in the data.
        if (!empty($match)) {
          $keys = array_keys($variables['rows'][$row_key]['cells']);
          $search = array_search($col_key, $keys);
          $prev = $keys[intval($search) - 1];
          $attributes = clone $variables['rows'][$row_key]['cells'][$prev]['attributes'];
          $attributes['colspan'] = $colspan;
          $variables['rows'][$row_key]['cells'][$prev]['attributes'] = $attributes;
          unset($variables['rows'][$row_key]['cells'][$col_key]);
          $colspan++;
        }
        else {
          $colspan = 2;
        }
        preg_match("/(?:#rowspan#)/", $cell['content'], $match);

        // Is #rowpsan# in the data.
        if (!empty($match)) {
          if ($previous_row !== FALSE) {
            $keys = array_keys($variables['rows'][$row_key]['cells']);
            $search = array_search($col_key, $keys);
            $col = $keys[intval($search)];
            $prev_row = $previous_row;
            while (TRUE) {
              if (isset($variables['rows'][$prev_row]['cells'][$col])) {
                $attributes = clone $variables['rows'][$prev_row]['cells'][$col]['attributes'];
                $attributes['rowspan'] = $spancol[$col_key]['rowspan'];
                $variables['rows'][$prev_row]['cells'][$col]['attributes'] = $attributes;
                $spancol[$col_key]['rowspan']++;
                $spancol[$col_key]['spancol'] = $col;
                break;
              }
              $prev_row--;
            }
            unset($variables['rows'][$row_key]['cells'][$col_key]);
          }
        }
        elseif ($col_key == $spancol[$col_key]['spancol']) {
          $spancol[$col_key]['rowspan'] = 2;
          $spancol[$col_key]['spancol'] = FALSE;
        }

        // Remove lost cells #remove#.
        preg_match("/(?:#remove#)/", $cell['content'], $match);
        if (!empty($match)) {
          unset($variables['rows'][$row_key]['cells'][$col_key]);
        }
      }
      $previous_row = $row_key;
    }
  }
}