twitter_views_field_handlers.inc in Twitter 7.4

Views handlers for Twitter module.

File

twitter_views_field_handlers.inc

<?php

/**
 * @file
 * Views handlers for Twitter module.
 */

/**
 * Process Twitter-style @usernames and URLs before filtering XSS.
 */
class twitter_views_handler_field_xss extends views_handler_field {
  function option_definition() {
    $options = parent::option_definition();
    $options['link_urls'] = array(
      'default' => TRUE,
    );
    $options['link_usernames'] = array(
      'default' => TRUE,
    );
    $options['link_hashtags'] = array(
      'default' => FALSE,
    );
    $options['hashtags_url'] = array(
      'default' => variable_get('twitter_search', TWITTER_SEARCH) . '/search?q=%23',
    );
    $options['link_attributes'] = array(
      'default' => TRUE,
    );
    return $options;
  }
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['link_urls'] = array(
      '#title' => t('Link urls to their destinations'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['link_urls']),
    );
    $form['link_usernames'] = array(
      '#title' => t('Link Twitter @usernames to their Twitter.com urls'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['link_usernames']),
    );
    $form['link_hashtags'] = array(
      '#title' => t('Link Twitter #hashtags to another url'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['link_hashtags']),
    );
    $form['hashtags_url'] = array(
      '#type' => 'textfield',
      '#default_value' => $this->options['hashtags_url'],
      '#process' => array(
        'ctools_dependent_process',
      ),
      '#dependency' => array(
        'edit-options-link-hashtags' => array(
          TRUE,
        ),
      ),
    );
    $form['link_attributes'] = array(
      '#title' => t('Open links in new windows/tabs and add rel="nofollow" attributes.'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['link_attributes']),
    );
  }

  /**
   * Processes the message through the selected options.
   */
  function render($values) {
    $value = $values->{$this->field_alias};
    if (!empty($this->options['link_urls'])) {
      $filter = new stdClass();
      $filter->settings = array(
        'filter_url_length' => 496,
      );
      $value = _filter_url($value, $filter);
    }

    // Link usernames with their profiles.
    if (!empty($this->options['link_usernames'])) {
      $value = _twitter_filter_text($value, '@', variable_get('twitter_host', TWITTER_HOST) . '/');
    }

    // Link hashtags.
    if (!empty($this->options['link_hashtags']) && valid_url($this->options['hashtags_url'])) {
      $value = _twitter_filter_text($value, '#', url($this->options['hashtags_url']));
    }

    // Add extra attributes to links.
    if (!empty($this->options['link_attributes'])) {
      $value = _twitter_filter_link($value, NULL);
    }

    // Avoid XSS within the message.
    return filter_xss($value);
  }

}

/**
 * Field handler to provide simple renderer that turns a URL into a clickable link.
 */
class twitter_views_handler_field_profile_image extends views_handler_field {
  function render($values) {
    $value = $values->{$this->field_alias};
    return theme('image', array(
      'path' => $value,
    ));
  }

}

Classes

Name	Description
twitter_views_handler_field_profile_image	Field handler to provide simple renderer that turns a URL into a clickable link.
twitter_views_handler_field_xss	Process Twitter-style @usernames and URLs before filtering XSS.