Club Drupal

<?php

/**

 * @file

 * Test module implementing a form that can be embedded in search results.

 *

 * Embedded form are important, for example, for ecommerce sites where each

 * search result may included an embedded form with buttons like "Add to cart"

 * for each individual product (node) listed in the search results.

 */

/**

  * Implements hook_menu().

  */

function search_embedded_form_menu() {

  $items['search_embedded_form'] = array(

    'title' => 'Search_Embed_Form',

    'page callback' => 'drupal_get_form',

    'page arguments' => array('search_embedded_form_form'),

    'access arguments' => array('search content'),

    'type' => MENU_CALLBACK,

  );

  return $items;

}

/**

 * Builds a form for embedding in search results for testing.

 *

 * @see search_embedded_form_form_submit().

 */

function search_embedded_form_form($form, &$form_state) {

  $count = variable_get('search_embedded_form_submitted', 0);

  $form['name'] = array(

    '#type' => 'textfield',

    '#title' => t('Your name'),

    '#maxlength' => 255,

    '#default_value' => '',

    '#required' => TRUE,

    '#description' => t('Times form has been submitted: %count', array('%count' => $count)),

  );

  $form['actions'] = array('#type' => 'actions');

  $form['actions']['submit'] = array(

    '#type' => 'submit',

    '#value' => t('Send away'),

  );

  $form['#submit'][] = 'search_embedded_form_form_submit';

  return $form;

}

/**

 * Submit handler for search_embedded_form_form().

 */

function search_embedded_form_form_submit($form, &$form_state) {

  $count = variable_get('search_embedded_form_submitted', 0) + 1;

  variable_set('search_embedded_form_submitted', $count);

  drupal_set_message(t('Test form was submitted'));

}

/**

 * Adds the test form to search results.

 */

function search_embedded_form_preprocess_search_result(&$variables) {

  $form = drupal_get_form('search_embedded_form_form');

  $variables['snippet'] .= drupal_render($form);

}