modules/google_admanager/google_admanager.module

<?php
/**
 * Google Admanager
 * https://www.google.com/admanager/
 */ 

/**
 * Implementing hook_block
 */
function google_admanager_block($op = 'list', $delta = 0, $edit = array()) {

  $id = variable_get('google_admanager_account', '');
  if (!empty($id)) {
    $ad_slots = variable_get('google_admanager_ad_slots', '');
    $ad_slots = explode("\n", str_replace(array("\r", "\t", "\0", "\x0B", " "), '', $ad_slots));
    if ($op == 'list') {
      foreach($ad_slots as $ad_slot) {
        $blocks[] = array(
          'info' => 'Ad Slot: ' . $ad_slot,
        );
      }
      return $blocks;
    }
    else if ($op == 'view') {
      
      if ($ad_slot = $ad_slots[$delta]) {
        $block = array(
          'subject' => '',
          'content' => theme_google_admanager_block($id, $ad_slot),
          'cache' => 'BLOCK_NO_CACHE',
        );
      }
      return $block;
    }
  }
}

/**
 * Implementing hook_perm
 */ 
function google_admanager_perm() {
  return array('administer google admanager');
}

/**
 * Implementing hook_menu
 */ 
function google_admanager_menu() {
  $items = array();
  if (!$maycache) {
    $items['admin/settings/google_admanager'] = array(
      'title' => 'Google Admanager',
      'description' => 'Configure the settings used to generate the Google Admanager Slot Ad code.',
      'page callback' => 'drupal_get_form',
    'page arguments' => array('google_admanager_admin_settings_form'),
      'access arguments' => array('administer google admanager'),
      'type' => MENU_NORMAL_ITEM,
    );
  }
  return $items;
}

/**
 * Implementation of hook_admin_settings() for configuring the module
 */
function google_admanager_admin_settings_form() {

  $form['google_admanager_account'] = array(
    '#type' => 'textfield',
    '#title' => t('Google Admanager account number'),
    '#default_value' => variable_get('google_admanager_account', 'ca-pub-'),
    '#size' => 30,
    '#maxlength' => 40,
    '#required' => TRUE,
    '#description' => t('You can obtain a user account under the <strong>Admin</strong> tab on the <a href="@url">Google Admanager</a> website.', array('@url' => 'https://www.google.com/admanager/')),
  );
  $form['google_admanager_ad_slots'] = array(
    '#type' => 'textarea',
    '#title' => t('Ad slots'),
    '#default_value' => variable_get('google_admanager_ad_slots', ''),
    '#description' => t('Enter one Ad Slot name per line.'),
  );
  
  return system_settings_form($form);
}

/**
 * Implementation of hook_admin_settings_form_validate()
 */
function google_admanager_admin_settings_form_validate($form, &$form_state) {
  if (!preg_match('/^ca-pub-\d+$/', $form_state['values']['google_admanager_account'])) {
    form_set_error('google_admanager_account', t('A valid Google Admanager account number is case sensitive and formatted like ca-pub-xxxxxxxxxxxxxxx.'));
  }
}

/**
 * Theme function the Ad Slot code
 * @param $id google admanager account id
 * @param $id google admanager slot name
 * @return google admanager slot script 
 */ 
function theme_google_admanager_block($id, $ad_slot) {

  google_admanager_add_js('GA_googleAddSlot("' . $id . '", "' . $ad_slot . '");');
    
  return '<script type="text/javascript">GA_googleFillSlot("' . $ad_slot . '");</script>';
}

/**
 * Stored the ad slots and when called with no slot, return the whole ad manager javascript
 * This function should be called from phptemplate_preprocess(&$vars) as followed
 *  if (module_exists('google_admanager')) {
 *    $vars['scripts'] .= google_admanager_add_js();
 *  }
 * @param $ad_slot string with the addSlot script
 * @return google admanager code 
 */ 
function google_admanager_add_js($ad_slot = NULL) {
  static $google_admanager_slots;
 
  if (isset($ad_slot)) {
    $google_admanager_slots .= $ad_slot;
  }
  else {
    if (isset($google_admanager_slots)) {
      $id = variable_get('google_admanager_account', '');
      // javascript which is supposed to come in the header
      $js = '<script type="text/javascript" src="http://partner.googleadservices.com/gampad/google_service.js"></script>' . "\n";
      $js .= '<script type="text/javascript">GS_googleAddAdSenseService("' . $id . '"); GS_googleEnableAllServices();</script>' . "\n";
      $js .= '<script type="text/javascript">' . $google_admanager_slots . '</script>' . "\n";
      $js .= '<script type="text/javascript">GA_googleFetchAds();</script>' . "\n";
      return $js;
    }
  }
}

/**
 * Implementation of hook_filter().
 *
 * Filter option to enable Google Admanager filter [google_ad:ad_slot]
 * @see google_admanager_nodeapi()
 */
function google_admanager_filter($op, $delta = 0, $format = -1, $text = '') {
  switch ($op) {
    case 'list':
      return array(0 => t('Google Admanager filter'));

    case 'description':
      return t('Substitutes [google_ad:ad_slot] tags with the Google Admanager script.');

    case 'prepare':
      return $text;

    case 'process':
      return _google_admanager_substitute_tags($text);
  }
}

/**
 * Implementation of hook_filter_tips().
 */
function google_admanager_filter_tips($delta, $format, $long = FALSE) {
  return t('You may use [google_ad:ad_slot] to display Google Admanager ads within your content.');
}

/**
 * Replace all Admanager tags with their corresponding files or images.
 *
 * @param object $text
 *   The text to process.
 *
 * @return string
 *   The processed content of the given text.
 */
function _google_admanager_substitute_tags($text) {
  if (preg_match_all("/\[(google_ad):([^=\\]]+)=?([^\\]]*)?\]/i", $text, $match)) {
    $id = variable_get('google_admanager_account', '');
    $s = $r = array();
    foreach ($match[2] as $key => $ad_slot) {
      $s[] = $match[0][$key];
      $r[] = theme_google_admanager_block($id, $ad_slot);
    }
    // Perform the replacements and return processed field.
    return str_replace($s, $r, $text);
  }
  return $text;
}
1	<?php
2	/**
3	* Google Admanager
4	* https://www.google.com/admanager/
5	*/
6
7	/**
8	* Implementing hook_block
9	*/
10	function google_admanager_block($op = 'list', $delta = 0, $edit = array()) {
11
12	$id = variable_get('google_admanager_account', '');
13	if (!empty($id)) {
14	$ad_slots = variable_get('google_admanager_ad_slots', '');
15	$ad_slots = explode("\n", str_replace(array("\r", "\t", "\0", "\x0B", " "), '', $ad_slots));
16	if ($op == 'list') {
17	foreach($ad_slots as $ad_slot) {
18	$blocks[] = array(
19	'info' => 'Ad Slot: ' . $ad_slot,
20	);
21	}
22	return $blocks;
23	}
24	else if ($op == 'view') {
25
26	if ($ad_slot = $ad_slots[$delta]) {
27	$block = array(
28	'subject' => '',
29	'content' => theme_google_admanager_block($id, $ad_slot),
30	'cache' => 'BLOCK_NO_CACHE',
31	);
32	}
33	return $block;
34	}
35	}
36	}
37
38	/**
39	* Implementing hook_perm
40	*/
41	function google_admanager_perm() {
42	return array('administer google admanager');
43	}
44
45	/**
46	* Implementing hook_menu
47	*/
48	function google_admanager_menu() {
49	$items = array();
50	if (!$maycache) {
51	$items['admin/settings/google_admanager'] = array(
52	'title' => 'Google Admanager',
53	'description' => 'Configure the settings used to generate the Google Admanager Slot Ad code.',
54	'page callback' => 'drupal_get_form',
55	'page arguments' => array('google_admanager_admin_settings_form'),
56	'access arguments' => array('administer google admanager'),
57	'type' => MENU_NORMAL_ITEM,
58	);
59	}
60	return $items;
61	}
62
63	/**
64	* Implementation of hook_admin_settings() for configuring the module
65	*/
66	function google_admanager_admin_settings_form() {
67
68	$form['google_admanager_account'] = array(
69	'#type' => 'textfield',
70	'#title' => t('Google Admanager account number'),
71	'#default_value' => variable_get('google_admanager_account', 'ca-pub-'),
72	'#size' => 30,
73	'#maxlength' => 40,
74	'#required' => TRUE,
75	'#description' => t('You can obtain a user account under the <strong>Admin</strong> tab on the <a href="@url">Google Admanager</a> website.', array('@url' => 'https://www.google.com/admanager/')),
76	);
77	$form['google_admanager_ad_slots'] = array(
78	'#type' => 'textarea',
79	'#title' => t('Ad slots'),
80	'#default_value' => variable_get('google_admanager_ad_slots', ''),
81	'#description' => t('Enter one Ad Slot name per line.'),
82	);
83
84	return system_settings_form($form);
85	}
86
87	/**
88	* Implementation of hook_admin_settings_form_validate()
89	*/
90	function google_admanager_admin_settings_form_validate($form, &$form_state) {
91	if (!preg_match('/^ca-pub-\d+$/', $form_state['values']['google_admanager_account'])) {
92	form_set_error('google_admanager_account', t('A valid Google Admanager account number is case sensitive and formatted like ca-pub-xxxxxxxxxxxxxxx.'));
93	}
94	}
95
96	/**
97	* Theme function the Ad Slot code
98	* @param $id google admanager account id
99	* @param $id google admanager slot name
100	* @return google admanager slot script
101	*/
102	function theme_google_admanager_block($id, $ad_slot) {
103
104	google_admanager_add_js('GA_googleAddSlot("' . $id . '", "' . $ad_slot . '");');
105
106	return '<script type="text/javascript">GA_googleFillSlot("' . $ad_slot . '");</script>';
107	}
108
109	/**
110	* Stored the ad slots and when called with no slot, return the whole ad manager javascript
111	* This function should be called from phptemplate_preprocess(&$vars) as followed
112	* if (module_exists('google_admanager')) {
113	* $vars['scripts'] .= google_admanager_add_js();
114	* }
115	* @param $ad_slot string with the addSlot script
116	* @return google admanager code
117	*/
118	function google_admanager_add_js($ad_slot = NULL) {
119	static $google_admanager_slots;
120
121	if (isset($ad_slot)) {
122	$google_admanager_slots .= $ad_slot;
123	}
124	else {
125	if (isset($google_admanager_slots)) {
126	$id = variable_get('google_admanager_account', '');
127	// javascript which is supposed to come in the header
128	$js = '<script type="text/javascript" src="http://partner.googleadservices.com/gampad/google_service.js"></script>' . "\n";
129	$js .= '<script type="text/javascript">GS_googleAddAdSenseService("' . $id . '"); GS_googleEnableAllServices();</script>' . "\n";
130	$js .= '<script type="text/javascript">' . $google_admanager_slots . '</script>' . "\n";
131	$js .= '<script type="text/javascript">GA_googleFetchAds();</script>' . "\n";
132	return $js;
133	}
134	}
135	}
136
137	/**
138	* Implementation of hook_filter().
139	*
140	* Filter option to enable Google Admanager filter [google_ad:ad_slot]
141	* @see google_admanager_nodeapi()
142	*/
143	function google_admanager_filter($op, $delta = 0, $format = -1, $text = '') {
144	switch ($op) {
145	case 'list':
146	return array(0 => t('Google Admanager filter'));
147
148	case 'description':
149	return t('Substitutes [google_ad:ad_slot] tags with the Google Admanager script.');
150
151	case 'prepare':
152	return $text;
153
154	case 'process':
155	return _google_admanager_substitute_tags($text);
156	}
157	}
158
159	/**
160	* Implementation of hook_filter_tips().
161	*/
162	function google_admanager_filter_tips($delta, $format, $long = FALSE) {
163	return t('You may use [google_ad:ad_slot] to display Google Admanager ads within your content.');
164	}
165
166	/**
167	* Replace all Admanager tags with their corresponding files or images.
168	*
169	* @param object $text
170	* The text to process.
171	*
172	* @return string
173	* The processed content of the given text.
174	*/
175	function _google_admanager_substitute_tags($text) {
176	if (preg_match_all("/\[(google_ad):([^=\\]]+)=?([^\\]]*)?\]/i", $text, $match)) {
177	$id = variable_get('google_admanager_account', '');
178	$s = $r = array();
179	foreach ($match[2] as $key => $ad_slot) {
180	$s[] = $match[0][$key];
181	$r[] = theme_google_admanager_block($id, $ad_slot);
182	}
183	// Perform the replacements and return processed field.
184	return str_replace($s, $r, $text);
185	}
186	return $text;
187	}