views_handler_sort_date.inc in Views (for Drupal 7) 6.2

File

handlers/views_handler_sort_date.inc

<?php

/**
 * Basic sort handler for dates.
 *
 * This handler enables granularity, which is the ability to make dates
 * equivalent based upon nearness.
 *
 * @ingroup views_sort_handlers
 */
class views_handler_sort_date extends views_handler_sort {
  function option_definition() {
    $options = parent::option_definition();
    $options['granularity'] = array(
      'default' => 'second',
    );
    return $options;
  }
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['granularity'] = array(
      '#type' => 'radios',
      '#title' => t('Granularity'),
      '#options' => array(
        'second' => t('Second'),
        'minute' => t('Minute'),
        'hour' => t('Hour'),
        'day' => t('Day'),
        'month' => t('Month'),
        'year' => t('Year'),
      ),
      '#description' => t('The granularity is the smallest unit to use when determining whether two dates are the same; for example, if the granularity is "Year" then all dates in 1999, regardless of when they fall in 1999, will be considered the same date.'),
      '#default_value' => $this->options['granularity'],
    );
  }

  /**
   * Called to add the sort to a query.
   */
  function query() {
    $this
      ->ensure_my_table();
    switch ($this->options['granularity']) {
      case 'second':
      default:
        $this->query
          ->add_orderby($this->table_alias, $this->real_field, $this->options['order']);
        return;
      case 'minute':
        $formula = views_date_sql_format('YmdHi', "{$this->table_alias}.{$this->real_field}");
        break;
      case 'hour':
        $formula = views_date_sql_format('YmdH', "{$this->table_alias}.{$this->real_field}");
        break;
      case 'day':
        $formula = views_date_sql_format('Ymd', "{$this->table_alias}.{$this->real_field}");
        break;
      case 'month':
        $formula = views_date_sql_format('Ym', "{$this->table_alias}.{$this->real_field}");
        break;
      case 'year':
        $formula = views_date_sql_format('Y', "{$this->table_alias}.{$this->real_field}");
        break;
    }

    // Add the field.
    $this->query
      ->add_orderby(NULL, $formula, $this->options['order'], $this->table_alias . '_' . $this->field . '_' . $this->options['granularity']);
  }

}

Classes

Name	Description
views_handler_sort_date	Basic sort handler for dates.