system_user

Versions
4.6 – 6: system_user($type, $edit, &$user, $category = NULL)
Implementation of hook_user().
Allows users to individually set their theme and time zone.
Code

<?php
function system_user($type, $edit, &$user, $category = NULL) {
  if ($type == 'form' && $category == 'account') {
    $allthemes = list_themes();

    // list only active themes
    foreach ($allthemes as $key => $theme) {
      if ($theme->status) {
        $themes[$key] = $theme;
      }
    }

    if (count($themes) > 1) {
      $rows = array();
      foreach ($themes as $key => $value) {
        $row = array();

        // Screenshot column.
        $screenshot = dirname($value->filename) .'/screenshot.png';
        $row[] = file_exists($screenshot) ? theme('image', $screenshot, t('Screenshot for %theme theme', array('%theme' => $value->name)), '', 'class="screenshot"', false) : t('no screenshot');

        // Information field.
        $field = '<strong>'. $value->name .'</strong>';
        $row[] = $field;

        // Reset to follow site default theme if user selects the site default
        if ($key == variable_get('theme_default', 'bluemarine')) {
          $key = '';
          if ($edit['theme'] == variable_get('theme_default', 'bluemarine')) {
            $edit['theme'] = '';
          }
        }

        // Selected column.
        $row[] = array('data' => form_radio('', 'theme', $key, ($edit['theme'] == $key) ? 1 : 0), 'align' => 'center');

        $rows[] = $row;
      }
      $header = array(t('Screenshot'), t('Name'), t('Selected'));
      $data[] = array('title' => t('Theme settings'), 'data' => form_item('', theme('table', $header, $rows), t('Selecting a different theme will change the look and feel of the site.')), 'weight' => 2);
    }

    if (variable_get('configurable_timezones', 1)) {
      $zones = _system_zonelist();
      $data[] = array('title' => t('Locale settings'), 'data' => form_select(t('Time zone'), 'timezone', strlen($edit['timezone']) ? $edit['timezone'] : variable_get('date_default_timezone', 0), $zones, t('Select your current local time. Dates and times throughout this site will be displayed using this time zone.')), 'weight' => 2);
    }
    return $data;
  }
}
?>
system_user

Code

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