views_xml_backend_handler_sort.inc in Views XML Backend 6

Base sort handler for views_xml_backend.

File

handlers/views_xml_backend_handler_sort.inc

<?php

/**
 * @file
 * Base sort handler for views_xml_backend.
 */
class views_xml_backend_handler_sort extends views_handler_sort {
  function option_definition() {
    $options = parent::option_definition();
    $options['xpath_selector'] = array(
      'default' => '',
    );
    return $options;
  }
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['xpath_selector'] = array(
      '#type' => 'textfield',
      '#title' => t('XPath selector'),
      '#description' => t('The XPath selector in the XML that will return values to sort by.'),
      '#default_value' => $this->options['xpath_selector'],
      '#required' => TRUE,
    );
  }

  /**
   * Called to add the sort to a query.
   */
  function query() {
    $this->query
      ->add_orderby($this);
  }
  function sort(&$result) {
    $this->field = $this->options['xpath_selector'];
    if (strtolower($this->options['order']) == 'asc') {
      usort($result, array(
        $this,
        'sort_asc',
      ));
    }
    else {
      usort($result, array(
        $this,
        'sort_desc',
      ));
    }
  }
  function sort_asc($a, $b) {
    $a_value = isset($a->{$this->field}) ? $a->{$this->field} : '';
    $b_value = isset($b->{$this->field}) ? $b->{$this->field} : '';
    return strcasecmp($a_value, $b_value);
  }
  function sort_desc($a, $b) {
    $a_value = isset($a->{$this->field}) ? $a->{$this->field} : '';
    $b_value = isset($b->{$this->field}) ? $b->{$this->field} : '';
    return -strcasecmp($a_value, $b_value);
  }
  function ui_name($short = FALSE) {
    if (!empty($this->options['ui_name'])) {
      $title = check_plain($this->options['ui_name']);
      return $title;
    }
    $title = $short && isset($this->definition['title short']) ? $this->definition['title short'] : $this->definition['title'];
    return t('!xpath: !title', array(
      '!xpath' => $this->options['xpath_selector'],
      '!title' => $title,
    ));
  }

}

Classes

Name	Description
views_xml_backend_handler_sort	@file Base sort handler for views_xml_backend.