modules/virtual_site/virtual_site.module

<?php
// $Id: virtual_site.module,v 1.7 2008/04/16 10:03:09 fokke Exp $

/**
 * Implementation of hook_menu().
 */
function virtual_site_menu() {
  $items = array();

  $items['admin/build/sites'] = array(
		'title' => t('Virtual sites'),
		'description' => t('Create new virtual sites, much like Drupals multi-site feature does.'),
		'page callback' => 'drupal_get_form',
		'page arguments' => array('virtual_site_list_form'),
		'access arguments' => array('administer virtual sites'),
		'file' => 'virtual_site.admin.inc',
	);
  $items['admin/build/sites/list'] = array(
		'title' => t('List'),
		'file' => 'virtual_site.admin.inc',
		'type' => MENU_DEFAULT_LOCAL_TASK,
		'weight' => -10,
	);
  $items['admin/build/sites/add'] = array(
		'title' => t('Add'),
		'page callback' => 'drupal_get_form',
		'page arguments' => array('virtual_site_edit_form'),
		'access arguments' => array('administer virtual sites'),
		'file' => 'virtual_site.admin.inc',
		'type' => MENU_LOCAL_TASK,
	);
  $items['admin/build/sites/%virtual_site/edit'] = array(
		'title' => t('Edit'),
		'page callback' => 'drupal_get_form',
		'page arguments' => array('virtual_site_edit_form', 3),
		'access arguments' => array('administer virtual sites'),
		'file' => 'virtual_site.admin.inc',
		'type' => MENU_CALLBACK,
	);
	
	$features = virtual_site_features();
	
	if (count($features)) {
	  $items['admin/build/sites/%virtual_site/edit/default'] = array(
			'title' => t('Site'),
			'file' => 'virtual_site.admin.inc',
			'type' => MENU_DEFAULT_LOCAL_TASK,
			'weight' => -10,
		);

		foreach ($features as $feature) {
		  $items['admin/build/sites/%virtual_site/edit/'.$feature['callback']] = array(
				'title' => t($feature['name']),
				'page callback' => 'drupal_get_form',
				'page arguments' => array('virtual_site_edit_feature_form', 3, 5),
				'access arguments' => array('administer virtual sites'),
				'file' => 'virtual_site.admin.inc',
				'type' => MENU_LOCAL_TASK,
			);
		}
	}
	
  $items['admin/build/sites/%virtual_site/delete'] = array(
		'title' => t('Delete'),
		'page callback' => 'drupal_get_form',
		'page arguments' => array('virtual_site_delete_form', 3),
		'access arguments' => array('administer virtual sites'),
		'file' => 'virtual_site.admin.inc',
		'type' => MENU_CALLBACK,
	);

  return $items;
}

/**
 * Implementation of hook_perm().
 */
function virtual_site_perm() {
  return array('administer virtual sites');
}

/**
 * Implementation of hook_perm().
 */
function virtual_site_help($path, $arg) {

  switch ($path) {
	  
    case 'admin/build/sites':
      return '<p>'.t('Virtual sites offer almost the same (and more) functionality as the Drupal !multisite feature without the need for FTP or SSH. Depending on conditions (e.g. requested url or user role) handeld by the !condition module, you can override theme, site information, menu\'s and more to virtually present the visitor with a different website.', array('!multisite' => l(t('multi-site'), 'http://drupal.org/node/43816', array('attributes' => array('target' => '_blank'))), '!condition' => l(t('Condition'), 'admin/settings/condition'))).'</p><p>'.t('The first listed site that matches the specified conditions will be used. You can change the order by dragging the rows.').'</p>';
      
    case 'admin/build/sites/%/edit':
      return '<p>'.t('When to show this virtual site is decided by the !conditions module. Add a condition (e.g. to match for the url <em>sub.example.com</em>) and check the condition(s) to show this site for, in the form below. Edit the sites features (e.g. theme) using the tabs. If you see no tabs, first install and enable some !feature.', array('!conditions' => l(t('Conditions'), 'admin/settings/condition'), '!feature' => l(t('Virtual site feature module'), 'admin/build/modules/', array('fragment' => 'edit-status-virtual-site-variables-wrapper')))).'</p>';
  }
}


/**
* Implementation of hook_theme().
*/
function virtual_site_theme() {
  return array(
    'virtual_site_list_form' => array('arguments' => array('form' => NULL)),
    'virtual_site_edit_form' => array('arguments' => array('form' => NULL)),    
    'virtual_site_edit_feature_form' => array('arguments' => array('form' => NULL)),
  );
}

/**
 * Implementation of hook_init().
 */
function virtual_site_init() {

	if ($site = virtual_site_load_active()) {
		$features = virtual_site_features();
		
		if (is_array($features) && count($features)) {
		
  		foreach ($features as $feature) {
  			
  			if (isset($site->features[$feature['callback']])) {
  				$context = $site->features[$feature['callback']];
  				$context['site'] = $site;
  				$feature['callback']($context);
  			}
  		}
  	}
	}
}

/**
 * Get all features
 */
function virtual_site_features() {
	static $features;
	
	if (is_null($features)) {
		$features = (array) module_invoke_all('feature_info');
		
		foreach ($features as $feature => $info) {
			$features[$feature]['callback'] = function_exists($feature) ? $feature : NULL;
			$features[$feature]['form'] = function_exists($feature.'_form') ? $feature.'_form' : NULL;
			$features[$feature]['submit'] = function_exists($feature.'_submit') ? $feature.'_submit' : NULL;
			
			if (!isset($features[$feature]['callback'], $features[$feature]['form'], $features[$feature]['submit'])) {
				unset($features[$feature]);
			}
		}
	}
	
	return $features;
}

/**
 * Implementation of hook_load
 */
function virtual_site_load($sid = NULL, $refresh = FALSE) {
	static $sites;
	
	if (!is_array($sites) || $refresh) {
	
		if (is_numeric($sid)) {
			$site = db_fetch_object(db_query("SELECT * FROM {virtual_sites} WHERE sid = %d", $sid));
			$site->conditions = (array) unserialize($site->conditions);
			$site->features = (array) unserialize($site->features);
			return $site;
			
		} else {
			$result	= db_query("SELECT * FROM {virtual_sites} ORDER BY weight ASC");
			$sites	= array();
			
			while ($site = db_fetch_object($result)) {
				$site->conditions = (array) unserialize($site->conditions);
				$site->features = (array) unserialize($site->features);
				$sites[$site->sid] = $site;
			}
		}
	}
		
	if (is_array($sites)) {
		
		if (is_numeric($sid)) {
			return $sites[$sid];
			
		} elseif (is_array($sid)) {
			return array_intersect_key($sites, array_flip($sid));
			
		} else {		
			return $sites;
		}		
	}
}

/**
 * Finds active virtual site and returns the data object.
 */
function virtual_site_load_active() {
	static $active;
	
	if (!is_object($active)) {
		$sites = virtual_site_load();

		foreach ($sites as $site) {

			if (!$site->status) {
				continue;
			}

			if (module_invoke('condition', 'selection_validate', $site->conditions)) {
				$active = $site;
				break;
			}			
		}
	}
	
	return $active;
}

/**
* Save one or more virtual sites.
*/
function virtual_site_save($site) {
	
	if (is_array($site)) {
		
		foreach (array_keys($site) as $key) {
			$site[$key]->saved = virtual_site_save($site[$key]);
		}
		
		return $site;
	}
	
	$site->conditions = serialize(is_array($site->conditions) ? $site->conditions : array());
	$site->features = serialize(is_array($site->features) ? $site->features : array());

	return drupal_write_record('virtual_sites', $site, $site->sid ? 'sid' : array());
}

/**
* Delete one or more conditions.
*/
function virtual_site_delete($site) {
	
	if (is_array($site)) {
		
		foreach (array_keys($site) as $key) {
			$site[$key]->deleted = virtual_site_delete($site[$key]);
		}
		
		return $site;
	}
	
	$sid = is_object($site) ? $site->sid : $site;
	
	return db_query("DELETE FROM {virtual_sites} WHERE sid = %d", $sid);
}

?>
1	<?php
2	// $Id: virtual_site.module,v 1.7 2008/04/16 10:03:09 fokke Exp $
3
4	/**
5	* Implementation of hook_menu().
6	*/
7	function virtual_site_menu() {
8	$items = array();
9
10	$items['admin/build/sites'] = array(
11	'title' => t('Virtual sites'),
12	'description' => t('Create new virtual sites, much like Drupals multi-site feature does.'),
13	'page callback' => 'drupal_get_form',
14	'page arguments' => array('virtual_site_list_form'),
15	'access arguments' => array('administer virtual sites'),
16	'file' => 'virtual_site.admin.inc',
17	);
18	$items['admin/build/sites/list'] = array(
19	'title' => t('List'),
20	'file' => 'virtual_site.admin.inc',
21	'type' => MENU_DEFAULT_LOCAL_TASK,
22	'weight' => -10,
23	);
24	$items['admin/build/sites/add'] = array(
25	'title' => t('Add'),
26	'page callback' => 'drupal_get_form',
27	'page arguments' => array('virtual_site_edit_form'),
28	'access arguments' => array('administer virtual sites'),
29	'file' => 'virtual_site.admin.inc',
30	'type' => MENU_LOCAL_TASK,
31	);
32	$items['admin/build/sites/%virtual_site/edit'] = array(
33	'title' => t('Edit'),
34	'page callback' => 'drupal_get_form',
35	'page arguments' => array('virtual_site_edit_form', 3),
36	'access arguments' => array('administer virtual sites'),
37	'file' => 'virtual_site.admin.inc',
38	'type' => MENU_CALLBACK,
39	);
40
41	$features = virtual_site_features();
42
43	if (count($features)) {
44	$items['admin/build/sites/%virtual_site/edit/default'] = array(
45	'title' => t('Site'),
46	'file' => 'virtual_site.admin.inc',
47	'type' => MENU_DEFAULT_LOCAL_TASK,
48	'weight' => -10,
49	);
50
51	foreach ($features as $feature) {
52	$items['admin/build/sites/%virtual_site/edit/'.$feature['callback']] = array(
53	'title' => t($feature['name']),
54	'page callback' => 'drupal_get_form',
55	'page arguments' => array('virtual_site_edit_feature_form', 3, 5),
56	'access arguments' => array('administer virtual sites'),
57	'file' => 'virtual_site.admin.inc',
58	'type' => MENU_LOCAL_TASK,
59	);
60	}
61	}
62
63	$items['admin/build/sites/%virtual_site/delete'] = array(
64	'title' => t('Delete'),
65	'page callback' => 'drupal_get_form',
66	'page arguments' => array('virtual_site_delete_form', 3),
67	'access arguments' => array('administer virtual sites'),
68	'file' => 'virtual_site.admin.inc',
69	'type' => MENU_CALLBACK,
70	);
71
72	return $items;
73	}
74
75	/**
76	* Implementation of hook_perm().
77	*/
78	function virtual_site_perm() {
79	return array('administer virtual sites');
80	}
81
82	/**
83	* Implementation of hook_perm().
84	*/
85	function virtual_site_help($path, $arg) {
86
87	switch ($path) {
88
89	case 'admin/build/sites':
90	return '<p>'.t('Virtual sites offer almost the same (and more) functionality as the Drupal !multisite feature without the need for FTP or SSH. Depending on conditions (e.g. requested url or user role) handeld by the !condition module, you can override theme, site information, menu\'s and more to virtually present the visitor with a different website.', array('!multisite' => l(t('multi-site'), 'http://drupal.org/node/43816', array('attributes' => array('target' => '_blank'))), '!condition' => l(t('Condition'), 'admin/settings/condition'))).'</p><p>'.t('The first listed site that matches the specified conditions will be used. You can change the order by dragging the rows.').'</p>';
91
92	case 'admin/build/sites/%/edit':
93	return '<p>'.t('When to show this virtual site is decided by the !conditions module. Add a condition (e.g. to match for the url <em>sub.example.com</em>) and check the condition(s) to show this site for, in the form below. Edit the sites features (e.g. theme) using the tabs. If you see no tabs, first install and enable some !feature.', array('!conditions' => l(t('Conditions'), 'admin/settings/condition'), '!feature' => l(t('Virtual site feature module'), 'admin/build/modules/', array('fragment' => 'edit-status-virtual-site-variables-wrapper')))).'</p>';
94	}
95	}
96
97
98	/**
99	* Implementation of hook_theme().
100	*/
101	function virtual_site_theme() {
102	return array(
103	'virtual_site_list_form' => array('arguments' => array('form' => NULL)),
104	'virtual_site_edit_form' => array('arguments' => array('form' => NULL)),
105	'virtual_site_edit_feature_form' => array('arguments' => array('form' => NULL)),
106	);
107	}
108
109	/**
110	* Implementation of hook_init().
111	*/
112	function virtual_site_init() {
113
114	if ($site = virtual_site_load_active()) {
115	$features = virtual_site_features();
116
117	if (is_array($features) && count($features)) {
118
119	foreach ($features as $feature) {
120
121	if (isset($site->features[$feature['callback']])) {
122	$context = $site->features[$feature['callback']];
123	$context['site'] = $site;
124	$feature['callback']($context);
125	}
126	}
127	}
128	}
129	}
130
131	/**
132	* Get all features
133	*/
134	function virtual_site_features() {
135	static $features;
136
137	if (is_null($features)) {
138	$features = (array) module_invoke_all('feature_info');
139
140	foreach ($features as $feature => $info) {
141	$features[$feature]['callback'] = function_exists($feature) ? $feature : NULL;
142	$features[$feature]['form'] = function_exists($feature.'_form') ? $feature.'_form' : NULL;
143	$features[$feature]['submit'] = function_exists($feature.'_submit') ? $feature.'_submit' : NULL;
144
145	if (!isset($features[$feature]['callback'], $features[$feature]['form'], $features[$feature]['submit'])) {
146	unset($features[$feature]);
147	}
148	}
149	}
150
151	return $features;
152	}
153
154	/**
155	* Implementation of hook_load
156	*/
157	function virtual_site_load($sid = NULL, $refresh = FALSE) {
158	static $sites;
159
160	if (!is_array($sites) \|\| $refresh) {
161
162	if (is_numeric($sid)) {
163	$site = db_fetch_object(db_query("SELECT * FROM {virtual_sites} WHERE sid = %d", $sid));
164	$site->conditions = (array) unserialize($site->conditions);
165	$site->features = (array) unserialize($site->features);
166	return $site;
167
168	} else {
169	$result = db_query("SELECT * FROM {virtual_sites} ORDER BY weight ASC");
170	$sites = array();
171
172	while ($site = db_fetch_object($result)) {
173	$site->conditions = (array) unserialize($site->conditions);
174	$site->features = (array) unserialize($site->features);
175	$sites[$site->sid] = $site;
176	}
177	}
178	}
179
180	if (is_array($sites)) {
181
182	if (is_numeric($sid)) {
183	return $sites[$sid];
184
185	} elseif (is_array($sid)) {
186	return array_intersect_key($sites, array_flip($sid));
187
188	} else {
189	return $sites;
190	}
191	}
192	}
193
194	/**
195	* Finds active virtual site and returns the data object.
196	*/
197	function virtual_site_load_active() {
198	static $active;
199
200	if (!is_object($active)) {
201	$sites = virtual_site_load();
202
203	foreach ($sites as $site) {
204
205	if (!$site->status) {
206	continue;
207	}
208
209	if (module_invoke('condition', 'selection_validate', $site->conditions)) {
210	$active = $site;
211	break;
212	}
213	}
214	}
215
216	return $active;
217	}
218
219	/**
220	* Save one or more virtual sites.
221	*/
222	function virtual_site_save($site) {
223
224	if (is_array($site)) {
225
226	foreach (array_keys($site) as $key) {
227	$site[$key]->saved = virtual_site_save($site[$key]);
228	}
229
230	return $site;
231	}
232
233	$site->conditions = serialize(is_array($site->conditions) ? $site->conditions : array());
234	$site->features = serialize(is_array($site->features) ? $site->features : array());
235
236	return drupal_write_record('virtual_sites', $site, $site->sid ? 'sid' : array());
237	}
238
239	/**
240	* Delete one or more conditions.
241	*/
242	function virtual_site_delete($site) {
243
244	if (is_array($site)) {
245
246	foreach (array_keys($site) as $key) {
247	$site[$key]->deleted = virtual_site_delete($site[$key]);
248	}
249
250	return $site;
251	}
252
253	$sid = is_object($site) ? $site->sid : $site;
254
255	return db_query("DELETE FROM {virtual_sites} WHERE sid = %d", $sid);
256	}
257
258	?>