Club Drupal

<?php

/**

 * @file

 * Definition of views_handler_area_result.

 */

/**

 * Views area handler to display some configurable result summary.

 *

 * @ingroup views_area_handlers

 */

class webform_handler_area_result_pager extends views_handler_area_result {

  /**

   *

   */

  public function option_definition() {

    $options = parent::option_definition();

    $options['content']['default'] = t('Displaying @start - @end of @total. @items_per_page_links');

    $options['tokenize'] = array('default' => FALSE, 'bool' => TRUE);

    return $options;

  }

  /**

   *

   */

  public function options_form(&$form, &$form_state) {

    parent::options_form($form, $form_state);

    $form['content']['#description'] .= '<br/>' . t('Plus @items_per_page_links -- the list of links to change the items/page, with prompt');

    $form['tokenize'] = array(

      '#type' => 'checkbox',

      '#title' => t('Use replacement tokens from the first row'),

      '#default_value' => $this->options['tokenize'],

    );

  }

  /**

   * Find out the information to render.

   */

  public function render($empty = FALSE) {

    $output = parent::render($empty);

    if (is_string($output) && isset($this->view->query->pager)) {

      $output = str_replace('@items_per_page_links', $this->render_items_per_page($this->view->query->pager), $output);

      if ($this->options['tokenize']) {

        $output = $this->view->style_plugin->tokenize_value($output, 0);

        $output = $this->sanitize_value($output, 'xss_admin');

      }

    }

    return $output;

  }

  /**

   *

   */

  public function query() {

    $view = $this->view;

    if (!empty($_GET['items_per_page']) && $_GET['items_per_page'] > 0) {

      $view->set_items_per_page($_GET['items_per_page']);

    }

    elseif (!empty($_GET['items_per_page']) && $_GET['items_per_page'] == 'All') {

      $view->set_items_per_page(0);

    }

  }

  /**

   *

   */

  public function render_items_per_page($pager) {

    $sanitized_options = array();

    if (!empty($pager->options['expose']['items_per_page_options'])) {

      $options = explode(',', $pager->options['expose']['items_per_page_options']);

      foreach ($options as $option) {

        if ($pager->total_items <= intval($option)) {

          break;

        }

        $sanitized_options[intval($option)] = intval($option);

      }

      if (!empty($sanitized_options) && !empty($pager->options['expose']['items_per_page_options_all']) && !empty($pager->options['expose']['items_per_page_options_all_label'])) {

        $sanitized_options[0] = $pager->options['expose']['items_per_page_options_all_label'];

      }

      $url_query = $_GET;

      unset($url_query['q']);

      foreach ($sanitized_options as $items_per_page => &$label) {

        $selected = $pager->options['items_per_page'] == $items_per_page ||

                    ($items_per_page == 0 && $pager->total_items < intval($pager->options['items_per_page']));

        $label = l($label, $_GET['q'], array(

          'query' => array('items_per_page' => $label) + $url_query,

          'attributes' => array(

            'class' => $selected ? array('selected') : array(),

          ),

        ));

      }

      // Drop PHP reference.

      unset($label);

      // Include CSS needed for 'selected' class.

      drupal_add_library('webform', 'admin');

    }

    return $sanitized_options ? t('Show !links results per page.', array('!links' => implode(' | ', $sanitized_options))) : '';

  }

}