Gridify.php

<?php
/**
 * Copyright (c) 2012-2018, Agence Française Informatique (AFI). All rights reserved.
 *
 * BOKEH is free software; you can redistribute it and/or modify
 * it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE as published by
 * the Free Software Foundation.
 *
 * There are special exceptions to the terms and conditions of the AGPL as it
 * is applied to this software (see README file).
 *
 * BOKEH is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
 *
 * You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
 * along with BOKEH; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 */


class Intonation_View_Gridify extends ZendAfi_View_Helper_BaseHelper {

  public function gridify($elements, $columns = 3) {
    $number_of_rows = ceil(count($elements) / $columns);

    $rows = [];

    for ($i = 0; $i < $number_of_rows; $i++) {
      $items = array_slice($elements,
                           $i * $columns,
                           $columns);

      $rows [$i] = $this->_tag('div',
                               implode($items),
                               ['class' => $this->_getWrapperClass($items, $columns)]);
    }

    return new Storm_Collection($rows);
  }


  protected function _getWrapperClass($items, $columns) {
    if ( 3 < $columns)
      return 'card_grid';

    return  3 == count($items)
      ? 'card-deck'
      : 'card-columns';
  }
}