tablesort_example.module

<?php
/**
 * @file
 * Hook implementations for the Table Sort Example module.
 */

/**
 * @defgroup tablesort_example Example: Tablesort
 * @ingroup examples
 * @{
 * This example demonstrates how to create a sortable table display.
 *
 * This is an example describing how a module can display data in a sortable
 * table.
 *
 * See TableSort.
 */

/**
 * Implements hook_menu().
 */
function tablesort_example_menu() {
  $items['examples/tablesort_example'] = array(
    'title' => 'TableSort example',
    'description' => 'Show a page with a sortable table',
    'page callback' => 'tablesort_example_page',
    'access callback' => TRUE,
  );
  return $items;
}

/**
 * Builds the table render array.
 *
 * @return array
 *   A render array set for theming by theme_table().
 */
function tablesort_example_page() {
  // We are going to output the results in a table with a nice header.
  $header = array(
    // The header gives the table the information it needs in order to make
    // the query calls for ordering. TableSort uses the field information
    // to know what database column to sort by.
    array('data' => t('Numbers'), 'field' => 't.numbers'),
    array('data' => t('Letters'), 'field' => 't.alpha'),
    array('data' => t('Mixture'), 'field' => 't.random'),
  );

  // Using the TableSort Extender is what tells the the query object that we
  // are sorting.
  $query = db_select('tablesort_example', 't')
      ->extend('TableSort');
  $query->fields('t');

  // Don't forget to tell the query object how to find the header information.
  $result = $query
      ->orderByHeader($header)
      ->execute();

  $rows = array();
  foreach ($result as $row) {
    // Normally we would add some nice formatting to our rows
    // but for our purpose we are simply going to add our row
    // to the array.
    $rows[] = array('data' => (array) $row);
  }

  // Build the table for the nice output.
  $build['tablesort_table'] = array(
    '#theme' => 'table',
    '#header' => $header,
    '#rows' => $rows,
  );

  return $build;
}

/**
 * @} End of "defgroup tablesort_example".
 */