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Drupal example source code file (views_handler_field_aggregator_title_link.inc)

This example Drupal source code file (views_handler_field_aggregator_title_link.inc) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

check_plain, directory, empty, file, form, form_state, function, link, options, php, return, true, value, values

The views_handler_field_aggregator_title_link.inc Drupal example source code

// $Id: views_handler_field_aggregator_title_link.inc,v 2010/06/17 02:46:52 merlinofchaos Exp $

 * Field handler that turns an item's title into a clickable link to the original
 * source article.
class views_handler_field_aggregator_title_link extends views_handler_field {
  function construct() {
    $this->additional_fields['link'] = 'link';

  function option_definition() {
    $options = parent::option_definition();

    $options['display_as_link'] = array('default' => TRUE);

    return $options;

   * Provide link to the page being visited.
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['display_as_link'] = array(
      '#title' => t('Display as link'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['display_as_link']),

  function render($values) {
    $value = $values->{$this->field_alias};
    $link = $values->{$this->table_alias . '_link'};
    if (!empty($this->options['display_as_link'])) {
      return l(check_plain($value), $link, array('html' => TRUE));
    else {
      return check_plain($value);

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