ad_html.module in Advertisement 7

Enhances the ad module to support html ads.

Copyright (c) 2005-2009. Jeremy Andrews <[e-mail]>.

File

html/ad_html.module

<?php

/**
 * @file
 * Enhances the ad module to support html ads.
 *
 * Copyright (c) 2005-2009.
 *   Jeremy Andrews <[e-mail]>.
 */

/**
 * Function used to display the selected ad.
 */
function ad_html_display_ad($ad) {
  return theme('ad_html_ad', array(
    'ad' => $ad,
  ));
}

/**
 * Return a themed ad of type ad_html.
 *
 * @param @ad
 *  The ad object.
 * @return
 *  A string containing the ad markup.
 */
function theme_ad_html_ad($variables) {
  $ad = $variables['ad'];
  if (isset($ad->aid)) {
    $output = '<div class="html-advertisement" id="ad-' . $ad->aid . '">';
    if (isset($ad->html)) {
      $output .= check_markup($ad->html, 'full_html');
    }
    $output .= '</div>';
    return $output;
  }
}

/**
 * Implementation of hook_theme().
 */
function ad_html_theme() {
  return array(
    'ad_html_ad' => array(
      'file' => 'ad_html.module',
      'variables' => array(
        'ad' => NULL,
      ),
    ),
  );
}

/**
 * Implementation of hook_help().
 */
function ad_html_help($path, $arg) {
  $output = '';
  switch ($path) {
    case 'node/add/ad#html':
      $output = t('A html advertisement.');
      break;
  }
  return $output;
}

/**
 * Implementation of the ad module's _adapi hook.
 */
function ad_html_adapi($op, $node) {
  switch ($op) {
    case 'load':
      $return = db_query('SELECT html FROM {ad_html} WHERE aid = :aid', array(
        ':aid' => $node->aid,
      ))
        ->fetchAssoc();
      $return['ad'] = check_markup($return['html'], 'full_html');
      return $return;
    case 'insert':
      db_query("INSERT INTO {ad_html} (aid, html) VALUES(:aid, :html)", array(
        ':aid' => $node->nid,
        ':html' => $node->html,
      ));
      break;
    case 'update':
      db_query("UPDATE {ad_html} SET html = :html WHERE aid = :aid", array(
        ':html' => $node->html,
        ':aid' => $node->nid,
      ));
      break;
    case 'delete':
      db_query('DELETE FROM {ad_html} WHERE aid = :aid', array(
        ':aid' => $node->nid,
      ));
      break;
    case 'form':
      return _ad_html_node_form($node);
    case 'view':
      return _ad_html_node_view($node);
    case 'type':
      return array(
        'html' => array(
          'name' => t('HTML ad'),
          'module' => 'ad_html',
          'description' => t('A html advertisement.'),
          'help' => t('A html advertisement.'),
        ),
      );
    case 'permissions':
      if (!isset($node->adtype) || $node->adtype == 'html') {
        return array(
          'manage ad html' => TRUE,
        );
      }
  }
}

/**
 * Adapi helper function for displaying a node form.
 */
function _ad_html_node_form(&$node) {
  $form = array();
  $form['ad_html'] = array(
    '#type' => 'fieldset',
    '#title' => t('HTML'),
    '#collapsible' => TRUE,
  );
  $form['ad_html']['display'] = array(
    '#type' => 'markup',
    '#value' => ad_html_display_ad($node),
  );
  if (isset($node->nid) && ad_check_permission($node->nid, 'manage ad html') || arg(1) == 'add' && user_access('create advertisements')) {
    $form['ad_html']['html'] = array(
      '#type' => 'textarea',
      '#title' => t('Ad HTML'),
      '#required' => TRUE,
      '#default_value' => isset($node->html) ? $node->html : '',
      '#description' => t('Paste the complete HTML provided by your advertising affiliate.'),
    );
  }
  return $form;
}

/**
 * Helper function, display the html ad as a node.
 */
function _ad_html_node_view(&$node) {
  $node->content['ad'] = array(
    '#value' => theme('ad_box', array(
      'title' => '',
      'content' => stripslashes(ad_html_display_ad($node)),
    )),
    '#weight' => -1,
  );
}

Functions

Name	Description
ad_html_adapi	Implementation of the ad module's _adapi hook.
ad_html_display_ad	Function used to display the selected ad.
ad_html_help	Implementation of hook_help().
ad_html_theme	Implementation of hook_theme().
theme_ad_html_ad	Return a themed ad of type ad_html.
_ad_html_node_form	Adapi helper function for displaying a node form.
_ad_html_node_view	Helper function, display the html ad as a node.