pierre@0: <?php
pierre@0: // $Id: ad_remote.module,v 1.1.4.5.2.5 2009/02/16 23:12:29 jeremy Exp $
pierre@0: 
pierre@0: /**
pierre@0: * @file
pierre@0:  * Enhances the ad module to providing cut-and-paste source snippets allowing
pierre@0:  * ads to be easily displayed on remote websites.
pierre@0:  *
pierre@0:  * Copyright (c) 2005-2009.
pierre@0:  *   Jeremy Andrews <jeremy@tag1consulting.com>.
pierre@0:  */
pierre@0: 
pierre@0: /**
pierre@0:  * Implementation of hook_perm().
pierre@0:  */
pierre@0: function ad_remote_perm() {
pierre@0:   return array('host remote advertisements');
pierre@0: }
pierre@0: 
pierre@0: /**
pierre@0:  * Implementation of hook_menu().
pierre@0:  */
pierre@0: function ad_remote_menu() {
pierre@0:   $items = array();
pierre@0: 
pierre@0:   $items['admin/content/ad/ad_remote'] = array(
pierre@0:     'title' => 'Remote ads',
pierre@0:     'page callback' => 'drupal_get_form',
pierre@0:     'page arguments' => array('ad_remote_form'),
pierre@0:     'access arguments' => array('host remote advertisements'),
pierre@0:     'type' => MENU_LOCAL_TASK,
pierre@0:     'weight' => 1,
pierre@0:   );
pierre@0:   return $items;
pierre@0: }
pierre@0: 
pierre@0: /**
pierre@0:  * A simple page providing source snippets for displaying ads on remote 
pierre@0:  * websites. When form is being submitted, it rebuilds with needed code snippet.
pierre@0:  */
pierre@0: function ad_remote_form($form_state) {
pierre@0:   global $user;
pierre@0: 
pierre@0:   $form['settings'] = array(
pierre@0:     '#type' => 'fieldset',
pierre@0:     '#title' => t('Settings'),
pierre@0:     '#description' => t('Use the following options to build a source snippet for displaying ads on your website.'),
pierre@0:     '#collapsible' => TRUE,
pierre@0:     '#collapsed' => isset($form_state['values']['group']),
pierre@0:     '#weight' => -1,
pierre@0:   );
pierre@0: 
pierre@0:   $form['settings']['group'] = taxonomy_form(_ad_get_vid(), 0, t('Select one or more groups to display ads from.'));
pierre@0:   $form['settings']['group']['#default_value'] = isset($form_state['values']['group']) ? $form_state['values']['group'] : '';
pierre@0: 
pierre@0:   if (isset($form_state['values']['quantity'])) {
pierre@0:     // Sanity check, be sure quantity is an integer.
pierre@0:     $quantity = (int)$form_state['values']['quantity'];
pierre@0:   }
pierre@0:   if (!isset($quantity)) {
pierre@0:     // Must display at least one advertisement.
pierre@0:     $quantity = 1;
pierre@0:   }
pierre@0: 
pierre@0:   $form['settings']['quantity'] = array(
pierre@0:     '#type' => 'select',
pierre@0:     '#title' => t('Quantity'),
pierre@0:     '#options' => drupal_map_assoc(array(1,2,3,4,5,6,7,8,9,10,15,20,25,50)),
pierre@0:     '#default_value' => $quantity,
pierre@0:     '#description' => t('Select the maximum number of unique ads that should be displayed together.'),
pierre@0:   );
pierre@0:   
pierre@0:   if (isset($form_state['values']['group'])) {
pierre@0:     $form['code'] = array(
pierre@0:       '#type' => 'fieldset',
pierre@0:       '#title' => t('Code snippet'),
pierre@0:       '#description' => t('Insert the following source snippet into your web page to display ads hosted on this web site.  Include the entire snippet, and do not modify it in any way.'),
pierre@0:     );
pierre@0: 
pierre@0:     $hostid = ad_host_id_create($user->uid);
pierre@0:     $group = NULL;
pierre@0:     if (is_array($form_state['values']['group']) && !empty($form_state['values']['group'])) {
pierre@0:       if (isset($form_state['values']['group'][0]) && $form_state['values']['group'][0] == 0) {
pierre@0:         unset($form_state['values']['group'][0]);
pierre@0:       }
pierre@0:       $group = implode(',', $form_state['values']['group']);
pierre@0:       // Sanity check, be sure group is only numbers and commas.
pierre@0:       $group = preg_replace('/[^0-9,]/', '', $group);
pierre@0:     }
pierre@0:     if (!$group) {
pierre@0:       $group = 0;
pierre@0:     }
pierre@0: 
pierre@0:     $output = '<!--'. t('start') .'-->'. ad($group, $quantity, array('raw' => 1, 'hostid' => $hostid)) .'<!--'. t('end') .'-->';
pierre@0:     $form['code']['snippet'] = array(
pierre@0:       '#type' => 'textarea',
pierre@0:       '#value' => $output,
pierre@0:       '#attributes' => array(
pierre@0:         'onclick' => 'this.select();',
pierre@0:         'onfocus' => 'this.select();',
pierre@0:       ),
pierre@0:     );
pierre@0:   }
pierre@0: 
pierre@0:   $form['submit'] = array(
pierre@0:     '#type' => 'submit',
pierre@0:     '#value' => t('Generate code snippet'),
pierre@0:   );
pierre@0: 
pierre@0:   return $form;
pierre@0: }
pierre@0: 
pierre@0: /**
pierre@0:  * Form validator.
pierre@0:  */
pierre@0: function ad_remote_form_validate($form, &$form_state) {
pierre@0:   if (empty($form_state['values']['group'])) {
pierre@0:     form_set_error('group', t('At least one group should be selected'));
pierre@0:   }
pierre@0: }
pierre@0: /**
pierre@0:  * Tell the form to rebuild.
pierre@0:  */
pierre@0: function ad_remote_form_submit($form, &$form_state) {
pierre@0:   $form_state['rebuild'] = TRUE;
pierre@0: }
pierre@0: