Merge pull request #1271 from deepak-srivastava/revisions
[civicrm-core.git] / CRM / Utils / Hook.php
1 <?php
2 /*
3 +--------------------------------------------------------------------+
4 | CiviCRM version 4.3 |
5 +--------------------------------------------------------------------+
6 | Copyright CiviCRM LLC (c) 2004-2013 |
7 +--------------------------------------------------------------------+
8 | This file is a part of CiviCRM. |
9 | |
10 | CiviCRM is free software; you can copy, modify, and distribute it |
11 | under the terms of the GNU Affero General Public License |
12 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
13 | |
14 | CiviCRM is distributed in the hope that it will be useful, but |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
17 | See the GNU Affero General Public License for more details. |
18 | |
19 | You should have received a copy of the GNU Affero General Public |
20 | License and the CiviCRM Licensing Exception along |
21 | with this program; if not, contact CiviCRM LLC |
22 | at info[AT]civicrm[DOT]org. If you have questions about the |
23 | GNU Affero General Public License or the licensing of CiviCRM, |
24 | see the CiviCRM license FAQ at http://civicrm.org/licensing |
25 +--------------------------------------------------------------------+
26 */
27
28 /**
29 *
30 * @package CiviCRM_Hook
31 * @copyright CiviCRM LLC (c) 2004-2013
32 * $Id: $
33 *
34 */
35
36 abstract class CRM_Utils_Hook {
37
38 // Allowed values for dashboard hook content placement
39 // Default - place content below activity list
40 CONST DASHBOARD_BELOW = 1;
41 // Place content above activity list
42 CONST DASHBOARD_ABOVE = 2;
43 // Don't display activity list at all
44 CONST DASHBOARD_REPLACE = 3;
45
46 // by default - place content below existing content
47 CONST SUMMARY_BELOW = 1;
48 // pace hook content above
49 CONST SUMMARY_ABOVE = 2;
50 // create your own summarys
51 CONST SUMMARY_REPLACE = 3;
52
53 static $_nullObject = NULL;
54
55 /**
56 * We only need one instance of this object. So we use the singleton
57 * pattern and cache the instance in this variable
58 *
59 * @var object
60 * @static
61 */
62 static private $_singleton = NULL;
63
64 /**
65 * @var bool
66 */
67 private $commonIncluded = FALSE;
68
69 /**
70 * @var array(string)
71 */
72 private $commonCiviModules = array();
73
74 /**
75 * Constructor and getter for the singleton instance
76 *
77 * @return instance of $config->userHookClass
78 */
79 static function singleton($fresh = FALSE) {
80 if (self::$_singleton == NULL || $fresh) {
81 $config = CRM_Core_Config::singleton();
82 $class = $config->userHookClass;
83 require_once (str_replace('_', DIRECTORY_SEPARATOR, $config->userHookClass) . '.php');
84 self::$_singleton = new $class();
85 }
86 return self::$_singleton;
87 }
88
89 abstract function invoke($numParams,
90 &$arg1, &$arg2, &$arg3, &$arg4, &$arg5,
91 $fnSuffix
92 );
93
94 function commonInvoke($numParams,
95 &$arg1, &$arg2, &$arg3, &$arg4, &$arg5,
96 $fnSuffix, $fnPrefix
97 ) {
98
99 $this->commonBuildModuleList($fnPrefix);
100
101 return $this->runHooks($this->commonCiviModules, $fnSuffix,
102 $numParams, $arg1, $arg2, $arg3, $arg4, $arg5
103 );
104 }
105
106 /**
107 * Build the list of modules to be processed for hooks.
108 */
109 function commonBuildModuleList($fnPrefix) {
110 if (!$this->commonIncluded) {
111 // include external file
112 $this->commonIncluded = TRUE;
113
114 $config = CRM_Core_Config::singleton();
115 if (!empty($config->customPHPPathDir) &&
116 file_exists("{$config->customPHPPathDir}/civicrmHooks.php")
117 ) {
118 @include_once ("civicrmHooks.php");
119 }
120
121 if (!empty($fnPrefix)) {
122 $this->commonCiviModules[$fnPrefix] = $fnPrefix;
123 }
124
125 $this->requireCiviModules($this->commonCiviModules);
126 }
127 }
128
129 function runHooks($civiModules, $fnSuffix, $numParams,
130 &$arg1, &$arg2, &$arg3, &$arg4, &$arg5
131 ) {
132 // $civiModules is *not* passed by reference because runHooks
133 // must be reentrant. PHP is finicky about running
134 // multiple loops over the same variable. The circumstances
135 // to reproduce the issue are pretty intricate.
136 $result = $fResult = array();
137
138 if ($civiModules !== NULL) {
139 foreach ($civiModules as $module) {
140 $fnName = "{$module}_{$fnSuffix}";
141 if (function_exists($fnName)) {
142 switch ($numParams) {
143 case 0:
144 $fResult = $fnName();
145 break;
146
147 case 1:
148 $fResult = $fnName($arg1);
149 break;
150
151 case 2:
152 $fResult = $fnName($arg1, $arg2);
153 break;
154
155 case 3:
156 $fResult = $fnName($arg1, $arg2, $arg3);
157 break;
158
159 case 4:
160 $fResult = $fnName($arg1, $arg2, $arg3, $arg4);
161 break;
162
163 case 5:
164 $fResult = $fnName($arg1, $arg2, $arg3, $arg4, $arg5);
165 break;
166
167 default:
168 CRM_Core_Error::fatal(ts('Invalid hook invocation'));
169 break;
170 }
171 }
172
173 if (!empty($fResult) &&
174 is_array($fResult)) {
175 $result = array_merge($result, $fResult);
176 }
177 }
178 }
179
180 return empty($result) ? TRUE : $result;
181 }
182
183 function requireCiviModules(&$moduleList) {
184 $civiModules = CRM_Core_PseudoConstant::getModuleExtensions();
185 foreach ($civiModules as $civiModule) {
186 if (!file_exists($civiModule['filePath'])) {
187 CRM_Core_Session::setStatus(
188 ts( 'Error loading module file (%1). Please restore the file or disable the module.',
189 array(1 => $civiModule['filePath']) ),
190 ts( 'Warning'), 'error');
191 continue;
192 }
193 include_once $civiModule['filePath'];
194 $moduleList[$civiModule['prefix']] = $civiModule['prefix'];
195 }
196 }
197
198 /**
199 * This hook is called before a db write on some core objects.
200 * This hook does not allow the abort of the operation
201 *
202 * @param string $op the type of operation being performed
203 * @param string $objectName the name of the object
204 * @param object $id the object id if available
205 * @param array $params the parameters used for object creation / editing
206 *
207 * @return null the return value is ignored
208 * @access public
209 */
210 static function pre($op, $objectName, $id, &$params) {
211 return self::singleton()->invoke(4, $op, $objectName, $id, $params, $op, 'civicrm_pre');
212 }
213
214 /**
215 * This hook is called after a db write on some core objects.
216 *
217 * @param string $op the type of operation being performed
218 * @param string $objectName the name of the object
219 * @param int $objectId the unique identifier for the object
220 * @param object $objectRef the reference to the object if available
221 *
222 * @return mixed based on op. pre-hooks return a boolean or
223 * an error message which aborts the operation
224 * @access public
225 */
226 static function post($op, $objectName, $objectId, &$objectRef) {
227 return self::singleton()->invoke(4, $op, $objectName, $objectId, $objectRef, $op, 'civicrm_post');
228 }
229
230 /**
231 * This hook retrieves links from other modules and injects it into
232 * the view contact tabs
233 *
234 * @param string $op the type of operation being performed
235 * @param string $objectName the name of the object
236 * @param int $objectId the unique identifier for the object
237 * @params array $links (optional ) the links array (introduced in v3.2)
238 *
239 * @return array|null an array of arrays, each element is a tuple consisting of id, url, img, title, weight
240 *
241 * @access public
242 */
243 static function links($op, $objectName, &$objectId, &$links, &$mask = NULL) {
244 return self::singleton()->invoke(5, $op, $objectName, $objectId, $links, $mask, 'civicrm_links');
245 }
246
247 /**
248 * This hook is invoked when building a CiviCRM form. This hook should also
249 * be used to set the default values of a form element
250 *
251 * @param string $formName the name of the form
252 * @param object $form reference to the form object
253 *
254 * @return null the return value is ignored
255 */
256 static function buildForm($formName, &$form) {
257 return self::singleton()->invoke(2, $formName, $form, $formName, $formName, $formName, 'civicrm_buildForm');
258 }
259
260 /**
261 * This hook is invoked when a CiviCRM form is submitted. If the module has injected
262 * any form elements, this hook should save the values in the database
263 *
264 * @param string $formName the name of the form
265 * @param object $form reference to the form object
266 *
267 * @return null the return value is ignored
268 */
269 static function postProcess($formName, &$form) {
270 return self::singleton()->invoke(2, $formName, $form, $formName, $formName, $formName, 'civicrm_postProcess');
271 }
272
273 /**
274 * This hook is invoked during all CiviCRM form validation. An array of errors
275 * detected is returned. Else we assume validation succeeded.
276 *
277 * @param string $formName the name of the form
278 * @param array &$fields the POST parameters as filtered by QF
279 * @param array &$files the FILES parameters as sent in by POST
280 * @param array &$form the form object
281 *
282 * @return mixed formRule hooks return a boolean or
283 * an array of error messages which display a QF Error
284 * @access public
285 */
286 static function validate($formName, &$fields, &$files, &$form) {
287 return self::singleton()->invoke(4, $formName, $fields, $files, $form, $formName, 'civicrm_validate');
288 }
289
290 /**
291 * This hook is invoked during all CiviCRM form validation. An array of errors
292 * detected is returned. Else we assume validation succeeded.
293 *
294 * @param string $formName the name of the form
295 * @param array &$fields the POST parameters as filtered by QF
296 * @param array &$files the FILES parameters as sent in by POST
297 * @param array &$form the form object
298 * @param array &$errors the array of errors.
299 *
300 * @return mixed formRule hooks return a boolean or
301 * an array of error messages which display a QF Error
302 * @access public
303 */
304 static function validateForm($formName, &$fields, &$files, &$form, &$errors) {
305 return self::singleton()->invoke(5, $formName, $fields, $files, $form, $errors, 'civicrm_validateForm');
306 }
307
308 /**
309 * This hook is called before a db write on a custom table
310 *
311 * @param string $op the type of operation being performed
312 * @param string $groupID the custom group ID
313 * @param object $entityID the entityID of the row in the custom table
314 * @param array $params the parameters that were sent into the calling function
315 *
316 * @return null the return value is ignored
317 * @access public
318 */
319 static function custom($op, $groupID, $entityID, &$params) {
320 return self::singleton()->invoke(4, $op, $groupID, $entityID, $params, $op, 'civicrm_custom');
321 }
322
323 /**
324 * This hook is called when composing the ACL where clause to restrict
325 * visibility of contacts to the logged in user
326 *
327 * @param int $type the type of permission needed
328 * @param array $tables (reference ) add the tables that are needed for the select clause
329 * @param array $whereTables (reference ) add the tables that are needed for the where clause
330 * @param int $contactID the contactID for whom the check is made
331 * @param string $where the currrent where clause
332 *
333 * @return null the return value is ignored
334 * @access public
335 */
336 static function aclWhereClause($type, &$tables, &$whereTables, &$contactID, &$where) {
337 return self::singleton()->invoke(5, $type, $tables, $whereTables, $contactID, $where, 'civicrm_aclWhereClause');
338 }
339
340 /**
341 * This hook is called when composing the ACL where clause to restrict
342 * visibility of contacts to the logged in user
343 *
344 * @param int $type the type of permission needed
345 * @param int $contactID the contactID for whom the check is made
346 * @param string $tableName the tableName which is being permissioned
347 * @param array $allGroups the set of all the objects for the above table
348 * @param array $currentGroups the set of objects that are currently permissioned for this contact
349 *
350 * @return null the return value is ignored
351 * @access public
352 */
353 static function aclGroup($type, $contactID, $tableName, &$allGroups, &$currentGroups) {
354 return self::singleton()->invoke(5, $type, $contactID, $tableName, $allGroups, $currentGroups, 'civicrm_aclGroup');
355 }
356
357 /**
358 * This hook is called when building the menu table
359 *
360 * @param array $files The current set of files to process
361 *
362 * @return null the return value is ignored
363 * @access public
364 */
365 static function xmlMenu(&$files) {
366 return self::singleton()->invoke(1, $files,
367 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
368 'civicrm_xmlMenu'
369 );
370 }
371
372 /**
373 * This hook is called for declaring managed entities via API
374 *
375 * @param array $entities List of pending entities
376 *
377 * @return null the return value is ignored
378 * @access public
379 */
380 static function managed(&$entities) {
381 return self::singleton()->invoke(1, $entities,
382 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
383 'civicrm_managed'
384 );
385 }
386
387 /**
388 * This hook is called when rendering the dashboard (q=civicrm/dashboard)
389 *
390 * @param int $contactID - the contactID for whom the dashboard is being rendered
391 * @param int $contentPlacement - (output parameter) where should the hook content be displayed
392 * relative to the activity list
393 *
394 * @return string the html snippet to include in the dashboard
395 * @access public
396 */
397 static function dashboard($contactID, &$contentPlacement = self::DASHBOARD_BELOW) {
398 $retval = self::singleton()->invoke(2, $contactID, $contentPlacement,
399 self::$_nullObject, self::$_nullObject, self::$_nullObject,
400 'civicrm_dashboard'
401 );
402
403 /*
404 * Note we need this seemingly unnecessary code because in the event that the implementation
405 * of the hook declares the second parameter but doesn't set it, then it comes back unset even
406 * though we have a default value in this function's declaration above.
407 */
408 if (!isset($contentPlacement)) {
409 $contentPlacement = self::DASHBOARD_BELOW;
410 }
411
412 return $retval;
413 }
414
415 /**
416 * This hook is called before storing recently viewed items.
417 *
418 * @param array $recentArray - an array of recently viewed or processed items, for in place modification
419 *
420 * @return array
421 * @access public
422 */
423 static function recent(&$recentArray) {
424 return self::singleton()->invoke(1, $recentArray,
425 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
426 'civicrm_recent'
427 );
428 }
429
430 /**
431 * This hook is called when building the amount structure for a Contribution or Event Page
432 *
433 * @param int $pageType - is this a contribution or event page
434 * @param object $form - reference to the form object
435 * @param array $amount - the amount structure to be displayed
436 *
437 * @return null
438 * @access public
439 */
440 static function buildAmount($pageType, &$form, &$amount) {
441 return self::singleton()->invoke(3, $pageType, $form, $amount, self::$_nullObject,
442 self::$_nullObject, 'civicrm_buildAmount');
443 }
444
445 /**
446 * This hook is called when building the state list for a particular country.
447 *
448 * @param array $countryID - the country id whose states are being selected.
449 *
450 * @return null
451 * @access public
452 */
453 static function buildStateProvinceForCountry($countryID, &$states) {
454 return self::singleton()->invoke(2, $countryID, $states,
455 self::$_nullObject, self::$_nullObject, self::$_nullObject,
456 'civicrm_buildStateProvinceForCountry'
457 );
458 }
459
460 /**
461 * This hook is called when rendering the tabs for a contact (q=civicrm/contact/view)c
462 *
463 * @param array $tabs - the array of tabs that will be displayed
464 * @param int $contactID - the contactID for whom the dashboard is being rendered
465 *
466 * @return null
467 * @access public
468 */
469 static function tabs(&$tabs, $contactID) {
470 return self::singleton()->invoke(2, $tabs, $contactID,
471 self::$_nullObject, self::$_nullObject, self::$_nullObject, 'civicrm_tabs'
472 );
473 }
474
475 /**
476 * This hook is called when rendering the tabs
477 * used for events and potentially contribution pages, etc
478 * @param string $tabset - name of the screen or visual element
479 * @param array $tabs - the array of tabs that will be displayed
480 * @param array $context - extra data about the screen or context in which the tab is used
481 *
482 * @return null
483 * @access public
484 */
485 static function tabset($tabsetName, &$tabs, $context) {
486 return self::singleton()->invoke(3, $tabsetName, $tabs,
487 $context, self::$_nullObject, self::$_nullObject, 'civicrm_tabset'
488 );
489 }
490
491 /**
492 * This hook is called when sending an email / printing labels
493 *
494 * @param array $tokens - the list of tokens that can be used for the contact
495 *
496 * @return null
497 * @access public
498 */
499 static function tokens(&$tokens) {
500 return self::singleton()->invoke(1, $tokens,
501 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject, 'civicrm_tokens'
502 );
503 }
504
505 /**
506 * This hook is called when sending an email / printing labels to get the values for all the
507 * tokens returned by the 'tokens' hook
508 *
509 * @param array $details - the array to store the token values indexed by contactIDs (unless it a single)
510 * @param array $contactIDs - an array of contactIDs
511 * @param int $jobID - the jobID if this is associated with a CiviMail mailing
512 * @param array $tokens - the list of tokens associated with the content
513 * @param string $className - the top level className from where the hook is invoked
514 *
515 * @return null
516 * @access public
517 */
518 static function tokenValues(&$details,
519 $contactIDs,
520 $jobID = NULL,
521 $tokens = array(),
522 $className = NULL
523 ) {
524 return self::singleton()->invoke(5, $details, $contactIDs, $jobID, $tokens, $className, 'civicrm_tokenValues');
525 }
526
527 /**
528 * This hook is called before a CiviCRM Page is rendered. You can use this hook to insert smarty variables
529 * in a template
530 *
531 * @param object $page - the page that will be rendered
532 *
533 * @return null
534 * @access public
535 */
536 static function pageRun(&$page) {
537 return self::singleton()->invoke(1, $page,
538 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
539 'civicrm_pageRun'
540 );
541 }
542
543 /**
544 * This hook is called after a copy of an object has been made. The current objects are
545 * Event, Contribution Page and UFGroup
546 *
547 * @param string $objectName - name of the object
548 * @param object $object - reference to the copy
549 *
550 * @return null
551 * @access public
552 */
553 static function copy($objectName, &$object) {
554 return self::singleton()->invoke(2, $objectName, $object,
555 self::$_nullObject, self::$_nullObject, self::$_nullObject,
556 'civicrm_copy'
557 );
558 }
559
560 /**
561 * This hook is called when a contact unsubscribes from a mailing. It allows modules
562 * to override what the contacts are removed from.
563 *
564 * @param int $mailing_id - the id of the mailing to unsub from
565 * @param int $contact_id - the id of the contact who is unsubscribing
566 * @param array / int $groups - array of groups the contact will be removed from
567 **/
568 static function unsubscribeGroups($op, $mailingId, $contactId, &$groups, &$baseGroups) {
569 return self::singleton()->invoke(5, $op, $mailingId, $contactId, $groups, $baseGroups, 'civicrm_unsubscribeGroups');
570 }
571
572 /**
573 * This hook is called when CiviCRM needs to edit/display a custom field with options (select, radio, checkbox,
574 * adv multiselect)
575 *
576 * @param int $customFieldID - the custom field ID
577 * @param array $options - the current set of options for that custom field.
578 * You can add/remove existing options.
579 * Important: This array may contain meta-data about the field that is needed elsewhere, so it is important
580 * to be careful to not overwrite the array.
581 * Only add/edit/remove the specific field options you intend to affect.
582 * @param boolean $detailedFormat - if true,
583 * the options are in an ID => array ( 'id' => ID, 'label' => label, 'value' => value ) format
584 */
585 static function customFieldOptions($customFieldID, &$options, $detailedFormat = FALSE) {
586 return self::singleton()->invoke(3, $customFieldID, $options, $detailedFormat,
587 self::$_nullObject, self::$_nullObject,
588 'civicrm_customFieldOptions'
589 );
590 }
591
592 /**
593 *
594 * This hook is called to display the list of actions allowed after doing a search.
595 * This allows the module developer to inject additional actions or to remove existing actions.
596 *
597 * @param string $objectType - the object type for this search
598 * - activity, campaign, case, contact, contribution, event, grant, membership, and pledge are supported.
599 * @param array $tasks - the current set of tasks for that custom field.
600 * You can add/remove existing tasks.
601 * Each task needs to have a title (eg 'title' => ts( 'Add Contacts to Group')) and a class
602 * (eg 'class' => 'CRM_Contact_Form_Task_AddToGroup').
603 * Optional result (boolean) may also be provided. Class can be an array of classes (not sure what that does :( ).
604 * The key for new Task(s) should not conflict with the keys for core tasks of that $objectType, which can be
605 * found in CRM/$objectType/Task.php.
606 */
607 static function searchTasks($objectType, &$tasks) {
608 return self::singleton()->invoke(2, $objectType, $tasks,
609 self::$_nullObject, self::$_nullObject, self::$_nullObject,
610 'civicrm_searchTasks'
611 );
612 }
613
614 static function eventDiscount(&$form, &$params) {
615 return self::singleton()->invoke(2, $form, $params,
616 self::$_nullObject, self::$_nullObject, self::$_nullObject,
617 'civicrm_eventDiscount'
618 );
619 }
620
621 /**
622 * This hook is called when composing a mailing. You can include / exclude other groups as needed.
623 *
624 * @param unknown_type $form - the form object for which groups / mailings being displayed
625 * @param array $groups - the list of groups being included / excluded
626 * @param array $mailings - the list of mailings being included / excluded
627 */
628 static function mailingGroups(&$form, &$groups, &$mailings) {
629 return self::singleton()->invoke(3, $form, $groups, $mailings,
630 self::$_nullObject, self::$_nullObject,
631 'civicrm_mailingGroups'
632 );
633 }
634
635 /**
636 * This hook is called when composing the array of membershipTypes and their cost during a membership registration
637 * (new or renewal).
638 * Note the hook is called on initial page load and also reloaded after submit (PRG pattern).
639 * You can use it to alter the membership types when first loaded, or after submission
640 * (for example if you want to gather data in the form and use it to alter the fees).
641 *
642 * @param unknown_type $form - the form object that is presenting the page
643 * @param array $membershipTypes - the array of membership types and their amount
644 */
645 static function membershipTypeValues(&$form, &$membershipTypes) {
646 return self::singleton()->invoke(2, $form, $membershipTypes,
647 self::$_nullObject, self::$_nullObject, self::$_nullObject,
648 'civicrm_membershipTypeValues'
649 );
650 }
651
652 /**
653 * This hook is called when rendering the contact summary
654 *
655 * @param int $contactID - the contactID for whom the summary is being rendered
656 * @param int $contentPlacement - (output parameter) where should the hook content be displayed relative to
657 * the existing content
658 *
659 * @return string the html snippet to include in the contact summary
660 * @access public
661 */
662 static function summary($contactID, &$content, &$contentPlacement = self::SUMMARY_BELOW) {
663 return self::singleton()->invoke(3, $contactID, $content, $contentPlacement,
664 self::$_nullObject, self::$_nullObject,
665 'civicrm_summary'
666 );
667 }
668
669 /**
670 * Use this hook to populate the list of contacts returned by Contact Reference custom fields.
671 * By default, Contact Reference fields will search on and return all CiviCRM contacts.
672 * If you want to limit the contacts returned to a specific group, or some other criteria
673 * - you can override that behavior by providing a SQL query that returns some subset of your contacts.
674 * The hook is called when the query is executed to get the list of contacts to display.
675 *
676 * @param unknown_type $query - - the query that will be executed (input and output parameter);
677 * It's important to realize that the ACL clause is built prior to this hook being fired,
678 * so your query will ignore any ACL rules that may be defined.
679 * Your query must return two columns:
680 * the contact 'data' to display in the autocomplete dropdown (usually contact.sort_name - aliased as 'data')
681 * the contact IDs
682 * @param string $name - the name string to execute the query against (this is the value being typed in by the user)
683 * @param string $context - the context in which this ajax call is being made (for example: 'customfield', 'caseview')
684 * @param int $id - the id of the object for which the call is being made.
685 * For custom fields, it will be the custom field id
686 */
687 static function contactListQuery(&$query, $name, $context, $id) {
688 return self::singleton()->invoke(4, $query, $name, $context, $id,
689 self::$_nullObject,
690 'civicrm_contactListQuery'
691 );
692 }
693
694 /**
695 * Hook definition for altering payment parameters before talking to a payment processor back end.
696 *
697 * Definition will look like this:
698 *
699 * function hook_civicrm_alterPaymentProcessorParams($paymentObj,
700 * &$rawParams, &$cookedParams);
701 *
702 * @param string $paymentObj
703 * instance of payment class of the payment processor invoked (e.g., 'CRM_Core_Payment_Dummy')
704 * @param array &$rawParams
705 * array of params as passed to to the processor
706 * @params array &$cookedParams
707 * params after the processor code has translated them into its own key/value pairs
708 *
709 * @return void
710 */
711 static function alterPaymentProcessorParams($paymentObj,
712 &$rawParams,
713 &$cookedParams
714 ) {
715 return self::singleton()->invoke(3, $paymentObj, $rawParams, $cookedParams,
716 self::$_nullObject, self::$_nullObject,
717 'civicrm_alterPaymentProcessorParams'
718 );
719 }
720
721 /**
722 * This hook is called when an email is about to be sent by CiviCRM.
723 *
724 * @param array $params - array fields include: groupName, from, toName, toEmail, subject, cc, bcc, text, html,
725 * returnPath, replyTo, headers, attachments (array)
726 * @param string $context - the context in which the hook is being invoked, eg 'civimail'
727 */
728 static function alterMailParams(&$params, $context = NULL) {
729 return self::singleton()->invoke(2, $params, $context,
730 self::$_nullObject, self::$_nullObject, self::$_nullObject,
731 'civicrm_alterMailParams'
732 );
733 }
734
735 /**
736 * This hook is called when rendering the Manage Case screen
737 *
738 * @param int $caseID - the case ID
739 *
740 * @return array of data to be displayed, where the key is a unique id to be used for styling (div id's)
741 * and the value is an array with keys 'label' and 'value' specifying label/value pairs
742 * @access public
743 */
744 static function caseSummary($caseID) {
745 return self::singleton()->invoke(1, $caseID,
746 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
747 'civicrm_caseSummary'
748 );
749 }
750
751 /**
752 * This hook is called soon after the CRM_Core_Config object has ben initialized.
753 * You can use this hook to modify the config object and hence behavior of CiviCRM dynamically.
754
755 * @param array $config - the config object
756 */
757 static function config(&$config) {
758 return self::singleton()->invoke(1, $config,
759 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
760 'civicrm_config'
761 );
762 }
763
764 static function enableDisable($recordBAO, $recordID, $isActive) {
765 return self::singleton()->invoke(3, $recordBAO, $recordID, $isActive,
766 self::$_nullObject, self::$_nullObject,
767 'civicrm_enableDisable'
768 );
769 }
770
771 /**
772 * This hooks allows to change option values
773 *
774 * @param $options associated array of option values / id
775 * @param $name option group name
776 *
777 * @access public
778 */
779 static function optionValues(&$options, $name) {
780 return self::singleton()->invoke(2, $options, $name,
781 self::$_nullObject, self::$_nullObject, self::$_nullObject,
782 'civicrm_optionValues'
783 );
784 }
785
786 /**
787 * This hook allows modification of the navigation menu.
788 *
789 * @param $params associated array of navigation menu entry to Modify/Add
790 * @access public
791 */
792 static function navigationMenu(&$params) {
793 return self::singleton()->invoke(1, $params,
794 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
795 'civicrm_navigationMenu'
796 );
797 }
798
799 /**
800 * This hook allows modification of the data used to perform merging of duplicates.
801 *
802 * @param string $type the type of data being passed (cidRefs|eidRefs|relTables|sqls)
803 * @param array $data the data, as described in $type
804 * @param int $mainId contact_id of the contact that survives the merge
805 * @param int $otherId contact_id of the contact that will be absorbed and deleted
806 * @param array $tables when $type is "sqls", an array of tables as it may have been handed to the calling function
807 *
808 * @access public
809 */
810 static function merge($type, &$data, $mainId = NULL, $otherId = NULL, $tables = NULL) {
811 return self::singleton()->invoke(5, $type, $data, $mainId, $otherId, $tables, 'civicrm_merge');
812 }
813
814 /**
815 * This hook provides a way to override the default privacy behavior for notes.
816 *
817 * @param array $note (reference) Associative array of values for this note
818 *
819 * @access public
820 */
821 static function notePrivacy(&$noteValues) {
822 return self::singleton()->invoke(1, $noteValues,
823 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
824 'civicrm_notePrivacy'
825 );
826 }
827
828 /**
829 * This hook is called before record is exported as CSV
830 *
831 * @param string $exportTempTable - name of the temporary export table used during export
832 * @param array $headerRows - header rows for output
833 * @param array $sqlColumns - SQL columns
834 * @param int $exportMode - export mode ( contact, contribution, etc...)
835 *
836 * @return void
837 * @access public
838 */
839 static function export(&$exportTempTable, &$headerRows, &$sqlColumns, &$exportMode) {
840 return self::singleton()->invoke(4, $exportTempTable, $headerRows, $sqlColumns, $exportMode,
841 self::$_nullObject,
842 'civicrm_export'
843 );
844 }
845
846 /**
847 * This hook allows modification of the queries constructed from dupe rules.
848 *
849 * @param string $obj object of rulegroup class
850 * @param string $type type of queries e.g table / threshold
851 * @param array $query set of queries
852 *
853 * @access public
854 */
855 static function dupeQuery($obj, $type, &$query) {
856 return self::singleton()->invoke(3, $obj, $type, $query,
857 self::$_nullObject, self::$_nullObject,
858 'civicrm_dupeQuery'
859 );
860 }
861
862 /**
863 * This hook is called AFTER EACH email has been processed by the script bin/EmailProcessor.php
864 *
865 * @param string $type type of mail processed: 'activity' OR 'mailing'
866 * @param array &$params the params that were sent to the CiviCRM API function
867 * @param object $mail the mail object which is an ezcMail class
868 * @param array &$result the result returned by the api call
869 * @param string $action (optional ) the requested action to be performed if the types was 'mailing'
870 *
871 * @access public
872 */
873 static function emailProcessor($type, &$params, $mail, &$result, $action = NULL) {
874 return self::singleton()->invoke(5, $type, $params, $mail, $result, $action, 'civicrm_emailProcessor');
875 }
876
877 /**
878 * This hook is called after a row has been processed and the
879 * record (and associated records imported
880 *
881 * @param string $object - object being imported (for now Contact only, later Contribution, Activity,
882 * Participant and Member)
883 * @param string $usage - hook usage/location (for now process only, later mapping and others)
884 * @param string $objectRef - import record object
885 * @param array $params - array with various key values: currently
886 * contactID - contact id
887 * importID - row id in temp table
888 * importTempTable - name of tempTable
889 * fieldHeaders - field headers
890 * fields - import fields
891 *
892 * @return void
893 * @access public
894 */
895 static function import($object, $usage, &$objectRef, &$params) {
896 return self::singleton()->invoke(4, $object, $usage, $objectRef, $params,
897 self::$_nullObject,
898 'civicrm_import'
899 );
900 }
901
902 /**
903 * This hook is called when API permissions are checked (cf. civicrm_api3_api_check_permission()
904 * in api/v3/utils.php and _civicrm_api3_permissions() in CRM/Core/DAO/permissions.php).
905 *
906 * @param string $entity the API entity (like contact)
907 * @param string $action the API action (like get)
908 * @param array &$params the API parameters
909 * @param array &$permisisons the associative permissions array (probably to be altered by this hook)
910 */
911 static function alterAPIPermissions($entity, $action, &$params, &$permissions) {
912 return self::singleton()->invoke(4, $entity, $action, $params, $permissions,
913 self::$_nullObject,
914 'civicrm_alterAPIPermissions'
915 );
916 }
917
918 static function postSave(&$dao) {
919 $hookName = 'civicrm_postSave_' . $dao->getTableName();
920 return self::singleton()->invoke(1, $dao,
921 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
922 $hookName
923 );
924 }
925
926 /**
927 * This hook allows user to customize context menu Actions on contact summary page.
928 *
929 * @param array $actions Array of all Actions in contextmenu.
930 * @param int $contactID ContactID for the summary page
931 */
932 static function summaryActions(&$actions, $contactID = NULL) {
933 return self::singleton()->invoke(2, $actions, $contactID,
934 self::$_nullObject, self::$_nullObject, self::$_nullObject,
935 'civicrm_summaryActions'
936 );
937 }
938
939 /**
940 * This hook is called from CRM_Core_Selector_Controller through which all searches in civicrm go.
941 * This enables us hook implementors to modify both the headers and the rows
942 *
943 * The BIGGEST drawback with this hook is that you may need to modify the result template to include your
944 * fields. The result files are CRM/{Contact,Contribute,Member,Event...}/Form/Selector.tpl
945 *
946 * However, if you use the same number of columns, you can overwrite the existing columns with the values that
947 * you want displayed. This is a hackish, but avoids template modification.
948 *
949 * @param string $objectName the component name that we are doing the search
950 * activity, campaign, case, contact, contribution, event, grant, membership, and pledge
951 * @param array &$headers the list of column headers, an associative array with keys: ( name, sort, order )
952 * @param array &$rows the list of values, an associate array with fields that are displayed for that component
953 * @param array &$seletor the selector object. Allows you access to the context of the search
954 *
955 * @return void modify the header and values object to pass the data u need
956 */
957 static function searchColumns($objectName, &$headers, &$rows, &$selector) {
958 return self::singleton()->invoke(4, $objectName, $headers, $rows, $selector,
959 self::$_nullObject,
960 'civicrm_searchColumns'
961 );
962 }
963
964 /**
965 * This hook is called when uf groups are being built for a module.
966 *
967 * @param string $moduleName module name.
968 * @param array $ufGroups array of ufgroups for a module.
969 *
970 * @return null
971 * @access public
972 */
973 static function buildUFGroupsForModule($moduleName, &$ufGroups) {
974 return self::singleton()->invoke(2, $moduleName, $ufGroups,
975 self::$_nullObject, self::$_nullObject, self::$_nullObject,
976 'civicrm_buildUFGroupsForModule'
977 );
978 }
979
980 /**
981 * This hook is called when we are determining the contactID for a specific
982 * email address
983 *
984 * @param string $email the email address
985 * @param int $contactID the contactID that matches this email address, IF it exists
986 * @param array $result (reference) has two fields
987 * contactID - the new (or same) contactID
988 * action - 3 possible values:
989 * CRM_Utils_Mail_Incoming::EMAILPROCESSOR_CREATE_INDIVIDUAL - create a new contact record
990 * CRM_Utils_Mail_Incoming::EMAILPROCESSOR_OVERRIDE - use the new contactID
991 * CRM_Utils_Mail_Incoming::EMAILPROCESSOR_IGNORE - skip this email address
992 *
993 * @return null
994 * @access public
995 */
996 static function emailProcessorContact($email, $contactID, &$result) {
997 return self::singleton()->invoke(3, $email, $contactID, $result,
998 self::$_nullObject, self::$_nullObject,
999 'civicrm_emailProcessorContact'
1000 );
1001 }
1002
1003 /**
1004 * Hook definition for altering the generation of Mailing Labels
1005 *
1006 * @param array $args an array of the args in the order defined for the tcpdf multiCell api call
1007 * with the variable names below converted into string keys (ie $w become 'w'
1008 * as the first key for $args)
1009 * float $w Width of cells. If 0, they extend up to the right margin of the page.
1010 * float $h Cell minimum height. The cell extends automatically if needed.
1011 * string $txt String to print
1012 * mixed $border Indicates if borders must be drawn around the cell block. The value can
1013 * be either a number:<ul><li>0: no border (default)</li><li>1: frame</li></ul>or
1014 * a string containing some or all of the following characters (in any order):
1015 * <ul><li>L: left</li><li>T: top</li><li>R: right</li><li>B: bottom</li></ul>
1016 * string $align Allows to center or align the text. Possible values are:<ul><li>L or empty string:
1017 * left align</li><li>C: center</li><li>R: right align</li><li>J: justification
1018 * (default value when $ishtml=false)</li></ul>
1019 * int $fill Indicates if the cell background must be painted (1) or transparent (0). Default value: 0.
1020 * int $ln Indicates where the current position should go after the call. Possible values are:<ul><li>0:
1021 * to the right</li><li>1: to the beginning of the next line [DEFAULT]</li><li>2: below</li></ul>
1022 * float $x x position in user units
1023 * float $y y position in user units
1024 * boolean $reseth if true reset the last cell height (default true).
1025 * int $stretch stretch carachter mode: <ul><li>0 = disabled</li><li>1 = horizontal scaling only if
1026 * necessary</li><li>2 = forced horizontal scaling</li><li>3 = character spacing only if
1027 * necessary</li><li>4 = forced character spacing</li></ul>
1028 * boolean $ishtml set to true if $txt is HTML content (default = false).
1029 * boolean $autopadding if true, uses internal padding and automatically adjust it to account for line width.
1030 * float $maxh maximum height. It should be >= $h and less then remaining space to the bottom of the page,
1031 * or 0 for disable this feature. This feature works only when $ishtml=false.
1032 *
1033 */
1034 static function alterMailingLabelParams(&$args) {
1035 return self::singleton()->invoke(1, $args,
1036 self::$_nullObject, self::$_nullObject,
1037 self::$_nullObject, self::$_nullObject,
1038 'civicrm_alterMailingLabelParams'
1039 );
1040 }
1041
1042 /**
1043 * This hooks allows alteration of generated page content
1044 *
1045 * @param $content previously generated content
1046 * @param $context context of content - page or form
1047 * @param $tplName the file name of the tpl
1048 * @param $object a reference to the page or form object
1049 *
1050 * @access public
1051 */
1052 static function alterContent(&$content, $context, $tplName, &$object) {
1053 return self::singleton()->invoke(4, $content, $context, $tplName, $object,
1054 self::$_nullObject,
1055 'civicrm_alterContent'
1056 );
1057 }
1058
1059 /**
1060 * This hook collects the trigger definition from all components
1061 *
1062 * @param $triggerInfo reference to an array of trigger information
1063 * each element has 4 fields:
1064 * table - array of tableName
1065 * when - BEFORE or AFTER
1066 * event - array of eventName - INSERT OR UPDATE OR DELETE
1067 * sql - array of statements optionally terminated with a ;
1068 * a statement can use the tokes {tableName} and {eventName}
1069 * to do token replacement with the table / event. This allows
1070 * templatizing logging and other hooks
1071 * @param string $tableName (optional) the name of the table that we are interested in only
1072 */
1073 static function triggerInfo(&$info, $tableName = NULL) {
1074 return self::singleton()->invoke(2, $info, $tableName,
1075 self::$_nullObject, self::$_nullObject,
1076 self::$_nullObject,
1077 'civicrm_triggerInfo'
1078 );
1079 }
1080
1081 /**
1082 * This hook is called when a module-extension is installed.
1083 * Each module will receive hook_civicrm_install during its own installation (but not during the
1084 * installation of unrelated modules).
1085 */
1086 static function install() {
1087 return self::singleton()->invoke(0, self::$_nullObject,
1088 self::$_nullObject, self::$_nullObject,
1089 self::$_nullObject, self::$_nullObject,
1090 'civicrm_install'
1091 );
1092 }
1093
1094 /**
1095 * This hook is called when a module-extension is uninstalled.
1096 * Each module will receive hook_civicrm_uninstall during its own uninstallation (but not during the
1097 * uninstallation of unrelated modules).
1098 */
1099 static function uninstall() {
1100 return self::singleton()->invoke(0, self::$_nullObject,
1101 self::$_nullObject, self::$_nullObject,
1102 self::$_nullObject, self::$_nullObject,
1103 'civicrm_uninstall'
1104 );
1105 }
1106
1107 /**
1108 * This hook is called when a module-extension is re-enabled.
1109 * Each module will receive hook_civicrm_enable during its own re-enablement (but not during the
1110 * re-enablement of unrelated modules).
1111 */
1112 static function enable() {
1113 return self::singleton()->invoke(0, self::$_nullObject,
1114 self::$_nullObject, self::$_nullObject,
1115 self::$_nullObject, self::$_nullObject,
1116 'civicrm_enable'
1117 );
1118 }
1119
1120 /**
1121 * This hook is called when a module-extension is disabled.
1122 * Each module will receive hook_civicrm_disable during its own disablement (but not during the
1123 * disablement of unrelated modules).
1124 */
1125 static function disable() {
1126 return self::singleton()->invoke(0, self::$_nullObject,
1127 self::$_nullObject, self::$_nullObject,
1128 self::$_nullObject, self::$_nullObject,
1129 'civicrm_disable'
1130 );
1131 }
1132
1133 static function alterReportVar($varType, &$var, &$object) {
1134 return self::singleton()->invoke(3, $varType, $var, $object,
1135 self::$_nullObject,
1136 self::$_nullObject,
1137 'civicrm_alterReportVar'
1138 );
1139 }
1140
1141 /**
1142 * This hook is called to drive database upgrades for extension-modules.
1143 *
1144 * @param string $op the type of operation being performed; 'check' or 'enqueue'
1145 * @param string $queue (for 'enqueue') the modifiable list of pending up upgrade tasks
1146 *
1147 * @return mixed based on op. 'check' returns a array(boolean) (TRUE if upgrades are pending)
1148 * 'enqueue' returns void
1149 * @access public
1150 */
1151 static function upgrade($op, CRM_Queue_Queue $queue = NULL) {
1152 return self::singleton()->invoke(2, $op, $queue,
1153 self::$_nullObject, self::$_nullObject,
1154 self::$_nullObject,
1155 'civicrm_upgrade'
1156 );
1157 }
1158
1159 /**
1160 * This hook is called when an email has been successfully sent by CiviCRM, but not on an error.
1161 *
1162 * @param array $params - the mailing parameters array fields include: groupName, from, toName, toEmail,
1163 * subject, cc, bcc, text, html, returnPath, replyTo, headers, attachments (array)
1164 */
1165 static function postEmailSend(&$params) {
1166 return self::singleton()->invoke(1, $params,
1167 self::$_nullObject, self::$_nullObject,
1168 self::$_nullObject, self::$_nullObject,
1169 'civicrm_postEmailSend'
1170 );
1171 }
1172
1173 /**
1174 * This hook is called when Settings specifications are loaded
1175 *
1176 * @param array $settingsFolders - list of paths from which to derive metadata
1177 */
1178 static function alterSettingsFolders(&$settingsFolders) {
1179 return self::singleton()->invoke(1, $settingsFolders,
1180 self::$_nullObject, self::$_nullObject,
1181 self::$_nullObject, self::$_nullObject,
1182 'civicrm_alterSettingsFolders'
1183 );
1184 }
1185
1186 /**
1187 * This hook is called when Settings have been loaded from the xml
1188 * It is an opportunity for hooks to alter the data
1189 *
1190 * @param array $settingsMetaData - Settings Metadata
1191 * @domainID integer $domainID
1192 */
1193 static function alterSettingsMetaData(&$settingsMetaData, $domainID, $profile) {
1194 return self::singleton()->invoke(3, $settingsMetaData,
1195 $domainID, $profile,
1196 self::$_nullObject, self::$_nullObject,
1197 'civicrm_alterSettingsMetaData'
1198 );
1199 }
1200
1201 /**
1202 * This hook is called before running pending cron jobs.
1203 *
1204 * @param CRM_Core_JobManager $jobManager
1205 *
1206 * @return null the return value is ignored
1207 * @access public
1208 */
1209 static function cron($jobManager) {
1210 return self::singleton()->invoke(1,
1211 $jobManager, self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
1212 'civicrm_cron'
1213 );
1214 }
1215
1216 /**
1217 * This hook is called when loading CMS permissions; use this hook to modify
1218 * the array of system permissions for CiviCRM.
1219 *
1220 * @param Array $permissions Array of permissions. See CRM_Core_Permission::getCorePermissions()
1221 * for the format of this array.
1222 *
1223 * @return null the return value is ignored
1224 * @access public
1225 */
1226 static function permission(&$permissions) {
1227 return self::singleton()->invoke(1, $permissions,
1228 self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject,
1229 'civicrm_permission'
1230 );
1231 }
1232
1233
1234 /**
1235 * This hook is called for declaring managed entities via API
1236 *
1237 * @param array $entities List of entity types; each entity-type is an array with keys:
1238 * - name: string, a unique short name (e.g. "ReportInstance")
1239 * - class: string, a PHP DAO class (e.g. "CRM_Report_DAO_Instance")
1240 * - table: string, a SQL table name (e.g. "civicrm_report_instance")
1241 *
1242 * @return null the return value is ignored
1243 * @access public
1244 */
1245 static function entityTypes(&$entityTypes) {
1246 return self::singleton()->invoke(1, $entityTypes, self::$_nullObject, self::$_nullObject,
1247 self::$_nullObject, self::$_nullObject, 'civicrm_entityTypes'
1248 );
1249 }
1250
1251 /**
1252 * This hook is called while preparing a profile form
1253 *
1254 * @param string $name
1255 * @return void
1256 */
1257 static function buildProfile($name) {
1258 return self::singleton()->invoke(1, $name, self::$_nullObject, self::$_nullObject, self::$_nullObject,
1259 self::$_nullObject, 'civicrm_buildProfile');
1260 }
1261
1262 /**
1263 * This hook is called while validating a profile form submission
1264 *
1265 * @param string $name
1266 * @return void
1267 */
1268 static function validateProfile($name) {
1269 return self::singleton()->invoke(1, $name, self::$_nullObject, self::$_nullObject, self::$_nullObject,
1270 self::$_nullObject, 'civicrm_validateProfile');
1271 }
1272
1273 /**
1274 * This hook is called processing a valid profile form submission
1275 *
1276 * @param string $name
1277 * @return void
1278 */
1279 static function processProfile($name) {
1280 return self::singleton()->invoke(1, $name, self::$_nullObject, self::$_nullObject, self::$_nullObject,
1281 self::$_nullObject, 'civicrm_processProfile');
1282 }
1283
1284 /**
1285 * This hook is called while preparing a read-only profile screen
1286 *
1287 * @param string $name
1288 * @return void
1289 */
1290 static function viewProfile($name) {
1291 return self::singleton()->invoke(1, $name, self::$_nullObject, self::$_nullObject, self::$_nullObject,
1292 self::$_nullObject, 'civicrm_viewProfile');
1293 }
1294
1295 /**
1296 * This hook is called while preparing a list of contacts (based on a profile)
1297 *
1298 * @param string $name
1299 * @return void
1300 */
1301 static function searchProfile($name) {
1302 return self::singleton()->invoke(1, $name, self::$_nullObject, self::$_nullObject, self::$_nullObject,
1303 self::$_nullObject, 'civicrm_searchProfile');
1304 }
1305
1306 /**
1307 * This hook is called before encoding data in barcode
1308 *
1309 * @param array $data associated array of values available for encoding
1310 * @param string $type type of barcode, classic barcode or QRcode
1311 * @param string $context where this hooks is invoked.
1312 *
1313 * @return void
1314 */
1315 static function alterBarcode( &$data, $type = 'barcode', $context = 'name_badge' ) {
1316 return self::singleton()->invoke(3, $data, $type, $context, self::$_nullObject,
1317 self::$_nullObject, 'civicrm_alterBarcode');
1318 }
1319
1320 /**
1321 * This hook is called while building the core search query,
1322 * so hook implementers can provide their own query objects which alters/extends core search.
1323 *
1324 * @param Array $queryObjects
1325 * @return void
1326 */
1327 static function queryObjects(&$queryObjects) {
1328 return self::singleton()->invoke(1, $queryObjects, self::$_nullObject, self::$_nullObject, self::$_nullObject, self::$_nullObject, 'civicrm_queryObjects');
1329 }
1330 }