CRM/Core/Page/Basic.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.7                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2015                                |
   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 CRM
  31  * @copyright CiviCRM LLC (c) 2004-2015
  32  */
  33 abstract class CRM_Core_Page_Basic extends CRM_Core_Page {
  34
  35   protected $_action;
  36
  37   /**
  38    * Define all the abstract functions here.
  39    */
  40
  41   /**
  42    * Name of the BAO to perform various DB manipulations.
  43    *
  44    * @return string
  45    */
  46   abstract protected function getBAOName();
  47
  48   /**
  49    * An array of action links.
  50    *
  51    * @return array
  52    *   (reference)
  53    */
  54   abstract protected function &links();
  55
  56   /**
  57    * Name of the edit form class.
  58    *
  59    * @return string
  60    */
  61   abstract protected function editForm();
  62
  63   /**
  64    * Name of the form.
  65    *
  66    * @return string
  67    */
  68   abstract protected function editName();
  69
  70   /**
  71    * UserContext to pop back to.
  72    *
  73    * @param int $mode
  74    *   Mode that we are in.
  75    *
  76    * @return string
  77    */
  78   abstract protected function userContext($mode = NULL);
  79
  80   /**
  81    * Get userContext params.
  82    *
  83    * @param int $mode
  84    *   Mode that we are in.
  85    *
  86    * @return string
  87    */
  88   public function userContextParams($mode = NULL) {
  89     return 'reset=1&action=browse';
  90   }
  91
  92   /**
  93    * Allow objects to be added based on permission.
  94    *
  95    * @param int $id
  96    *   The id of the object.
  97    * @param int $name
  98    *   The name or title of the object.
  99    *
 100    * @return string
 101    *   permission value if permission is granted, else null
 102    */
 103   public function checkPermission($id, $name) {
 104     return CRM_Core_Permission::EDIT;
 105   }
 106
 107   /**
 108    * Allows the derived class to add some more state variables to
 109    * the controller. By default does nothing, and hence is abstract
 110    *
 111    * @param CRM_Core_Controller $controller
 112    *   The controller object.
 113    */
 114   public function addValues($controller) {
 115   }
 116
 117   /**
 118    * Class constructor.
 119    *
 120    * @param string $title
 121    *   Title of the page.
 122    * @param int $mode
 123    *   Mode of the page.
 124    *
 125    * @return \CRM_Core_Page_Basic
 126    */
 127   public function __construct($title = NULL, $mode = NULL) {
 128     parent::__construct($title, $mode);
 129   }
 130
 131   /**
 132    * Run the basic page (run essentially starts execution for that page).
 133    */
 134   public function run() {
 135     // CRM-9034
 136     // do not see args or pageArgs being used, so we should
 137     // consider eliminating them in a future version
 138     $n = func_num_args();
 139     $args = ($n > 0) ? func_get_arg(0) : NULL;
 140     $pageArgs = ($n > 1) ? func_get_arg(1) : NULL;
 141     $sort = ($n > 2) ? func_get_arg(2) : NULL;
 142     // what action do we want to perform ? (store it for smarty too.. :)
 143
 144     $this->_action = CRM_Utils_Request::retrieve('action', 'String', $this, FALSE, 'browse');
 145     $this->assign('action', $this->_action);
 146
 147     // get 'id' if present
 148     $id = CRM_Utils_Request::retrieve('id', 'Positive', $this, FALSE, 0);
 149
 150     require_once str_replace('_', DIRECTORY_SEPARATOR, $this->getBAOName()) . ".php";
 151
 152     if ($id) {
 153       if (!$this->checkPermission($id, NULL)) {
 154         CRM_Core_Error::fatal(ts('You do not have permission to make changes to the record'));
 155       }
 156     }
 157
 158     if ($this->_action & (CRM_Core_Action::VIEW |
 159         CRM_Core_Action::ADD |
 160         CRM_Core_Action::UPDATE |
 161         CRM_Core_Action::COPY |
 162         CRM_Core_Action::ENABLE |
 163         CRM_Core_Action::DISABLE |
 164         CRM_Core_Action::DELETE
 165       )
 166     ) {
 167       // use edit form for view, add or update or delete
 168       $this->edit($this->_action, $id);
 169     }
 170     else {
 171       // if no action or browse
 172       $this->browse(NULL, $sort);
 173     }
 174
 175     return parent::run();
 176   }
 177
 178   /**
 179    * @return string
 180    */
 181   public function superRun() {
 182     return parent::run();
 183   }
 184
 185   /**
 186    * Browse all entities.
 187    */
 188   public function browse() {
 189     $n = func_num_args();
 190     $action = ($n > 0) ? func_get_arg(0) : NULL;
 191     $sort = ($n > 0) ? func_get_arg(1) : NULL;
 192     $links = &$this->links();
 193     if ($action == NULL) {
 194       if (!empty($links)) {
 195         $action = array_sum(array_keys($links));
 196       }
 197     }
 198     if ($action & CRM_Core_Action::DISABLE) {
 199       $action -= CRM_Core_Action::DISABLE;
 200     }
 201     if ($action & CRM_Core_Action::ENABLE) {
 202       $action -= CRM_Core_Action::ENABLE;
 203     }
 204     $baoString = $this->getBAOName();
 205     $object = new $baoString();
 206
 207     $values = array();
 208
 209     // lets make sure we get the stuff sorted by name if it exists
 210     $fields = &$object->fields();
 211     $key = '';
 212     if (!empty($fields['title'])) {
 213       $key = 'title';
 214     }
 215     elseif (!empty($fields['label'])) {
 216       $key = 'label';
 217     }
 218     elseif (!empty($fields['name'])) {
 219       $key = 'name';
 220     }
 221
 222     if (trim($sort)) {
 223       $object->orderBy($sort);
 224     }
 225     elseif ($key) {
 226       $object->orderBy($key . ' asc');
 227     }
 228
 229     $contactTypes = CRM_Contact_BAO_ContactType::getSelectElements(FALSE, FALSE);
 230     // find all objects
 231     $object->find();
 232     while ($object->fetch()) {
 233       if (!isset($object->mapping_type_id) ||
 234         // "1 for Search Builder"
 235         $object->mapping_type_id != 1
 236       ) {
 237         $permission = CRM_Core_Permission::EDIT;
 238         if ($key) {
 239           $permission = $this->checkPermission($object->id, $object->$key);
 240         }
 241         if ($permission) {
 242           $values[$object->id] = array();
 243           CRM_Core_DAO::storeValues($object, $values[$object->id]);
 244
 245           if (is_a($object, 'CRM_Contact_DAO_RelationshipType')) {
 246             $values[$object->id]['contact_type_a_display'] = $contactTypes[$values[$object->id]['contact_type_a']];
 247             $values[$object->id]['contact_type_b_display'] = $contactTypes[$values[$object->id]['contact_type_b']];
 248           }
 249
 250           // populate action links
 251           $this->action($object, $action, $values[$object->id], $links, $permission);
 252
 253           if (isset($object->mapping_type_id)) {
 254             $mappintTypes = CRM_Core_PseudoConstant::get('CRM_Core_DAO_Mapping', 'mapping_type_id');
 255             $values[$object->id]['mapping_type'] = $mappintTypes[$object->mapping_type_id];
 256           }
 257         }
 258       }
 259     }
 260     $this->assign('rows', $values);
 261   }
 262
 263   /**
 264    * Given an object, get the actions that can be associated with this
 265    * object. Check the is_active and is_required flags to display valid
 266    * actions
 267    *
 268    * @param CRM_Core_DAO $object
 269    *   The object being considered.
 270    * @param int $action
 271    *   The base set of actions.
 272    * @param array $values
 273    *   The array of values that we send to the template.
 274    * @param array $links
 275    *   The array of links.
 276    * @param string $permission
 277    *   The permission assigned to this object.
 278    *
 279    * @param bool $forceAction
 280    */
 281   public function action(&$object, $action, &$values, &$links, $permission, $forceAction = FALSE) {
 282     $values['class'] = '';
 283     $newAction = $action;
 284     $hasDelete = $hasDisable = TRUE;
 285
 286     if (!empty($values['name']) && in_array($values['name'], array(
 287         'encounter_medium',
 288         'case_type',
 289         'case_status',
 290       ))
 291     ) {
 292       static $caseCount = NULL;
 293       if (!isset($caseCount)) {
 294         $caseCount = CRM_Case_BAO_Case::caseCount(NULL, FALSE);
 295       }
 296       if ($caseCount > 0) {
 297         $hasDelete = $hasDisable = FALSE;
 298       }
 299     }
 300
 301     if (!$forceAction) {
 302       if (array_key_exists('is_reserved', $object) && $object->is_reserved) {
 303         $values['class'] = 'reserved';
 304         // check if object is relationship type
 305         $object_type = get_class($object);
 306
 307         $exceptions = array(
 308           'CRM_Contact_BAO_RelationshipType',
 309           'CRM_Core_BAO_LocationType',
 310           'CRM_Badge_BAO_Layout',
 311         );
 312
 313         if (in_array($object_type, $exceptions)) {
 314           $newAction = CRM_Core_Action::VIEW + CRM_Core_Action::UPDATE;
 315         }
 316         else {
 317           $newAction = 0;
 318           $values['action'] = '';
 319           return;
 320         }
 321       }
 322       else {
 323         if (array_key_exists('is_active', $object)) {
 324           if ($object->is_active) {
 325             if ($hasDisable) {
 326               $newAction += CRM_Core_Action::DISABLE;
 327             }
 328           }
 329           else {
 330             $newAction += CRM_Core_Action::ENABLE;
 331           }
 332         }
 333       }
 334     }
 335
 336     //CRM-4418, handling edit and delete separately.
 337     $permissions = array($permission);
 338     if ($hasDelete && ($permission == CRM_Core_Permission::EDIT)) {
 339       //previously delete was subset of edit
 340       //so for consistency lets grant delete also.
 341       $permissions[] = CRM_Core_Permission::DELETE;
 342     }
 343
 344     // make sure we only allow those actions that the user is permissioned for
 345     $newAction = $newAction & CRM_Core_Action::mask($permissions);
 346
 347     $values['action'] = CRM_Core_Action::formLink($links, $newAction, array('id' => $object->id));
 348   }
 349
 350   /**
 351    * Edit this entity.
 352    *
 353    * @param int $mode
 354    *   What mode for the form ?.
 355    * @param int $id
 356    *   Id of the entity (for update, view operations).
 357    *
 358    * @param bool $imageUpload
 359    * @param bool $pushUserContext
 360    */
 361   public function edit($mode, $id = NULL, $imageUpload = FALSE, $pushUserContext = TRUE) {
 362     $controller = new CRM_Core_Controller_Simple($this->editForm(),
 363       $this->editName(),
 364       $mode,
 365       $imageUpload
 366     );
 367
 368     // set the userContext stack
 369     if ($pushUserContext) {
 370       $session = CRM_Core_Session::singleton();
 371       $session->pushUserContext(CRM_Utils_System::url($this->userContext($mode), $this->userContextParams($mode)));
 372     }
 373     if ($id !== NULL) {
 374       $controller->set('id', $id);
 375     }
 376     $controller->set('BAOName', $this->getBAOName());
 377     $this->addValues($controller);
 378     $controller->setEmbedded(TRUE);
 379     $controller->process();
 380     $controller->run();
 381   }
 382
 383 }