<?php

/*
 +--------------------------------------------------------------------+
 | CiviCRM version 3.0                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2009                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007.                                       |
 |                                                                    |
 | CiviCRM is distributed in the hope that it will be useful, but     |
 | WITHOUT ANY WARRANTY; without even the implied warranty of         |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
 | See the GNU Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License along with this program; if not, contact CiviCRM LLC       |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
*/

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2009
 * $Id$
 *
 */

require_once 'CRM/Core/Page/Basic.php';

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2009
 * $Id$
 *
 */
class CRM_ACL_Page_EntityRole extends CRM_Core_Page_Basic 
{
    /**
     * The action links that we need to display for the browse screen
     *
     * @var array
     * @static
     */
    static $_links = null;

    /**
     * Get BAO Name
     *
     * @return string Classname of BAO.
     */
    function getBAOName() 
    {
        return 'CRM_ACL_BAO_EntityRole';
    }

    /**
     * Get action Links
     *
     * @return array (reference) of action links
     */
    function &links()
    {
          if (!(self::$_links)) {
              self::$_links = array(
                                    CRM_Core_Action::UPDATE  => array(
                                                                      'name'  => ts('Edit'),
                                                                      'url'   => 'civicrm/acl/entityrole',
                                                                      'qs'    => 'action=update&id=%%id%%',
                                                                      'title' => ts('Edit ACL Role Assignment') 
                                                                      ),
                                    CRM_Core_Action::DISABLE => array(
                                                                      'name'  => ts('Disable'),
                                                                      'extra' => 'onclick = "enableDisable( %%id%%,\''. 'CRM_ACL_BAO_EntityRole' . '\',\'' . 'enable-disable' . '\' );"',
                                                                      'ref'   => 'disable-action',
                                                                      'title' => ts('Disable ACL Role Assignment') 
                                                                      ),
                                    CRM_Core_Action::ENABLE  => array(
                                                                      'name'  => ts('Enable'),
                                                                      'extra' => 'onclick = "enableDisable( %%id%%,\''. 'CRM_ACL_BAO_EntityRole' . '\',\'' . 'disable-enable' . '\' );"',
                                                                      'ref'   => 'enable-action',
                                                                      'title' => ts('Enable ACL Role Assignment') 
                                                                      ),
                                    CRM_Core_Action::DELETE  => array(
                                                                      'name'  => ts('Delete'),
                                                                      'url'   => 'civicrm/acl/entityrole',
                                                                      'qs'    => 'action=delete&id=%%id%%',
                                                                      'title' => ts('Delete ACL Role Assignment') 
                                                                      ),
                                    );
          }
          return self::$_links;
    }

    /**
     * Run the page.
     *
     * This method is called after the page is created. It checks for the  
     * type of action and executes that action.
     * Finally it calls the parent's run method.
     *
     * @return void
     * @access public
     *
     */
    function run()
    {
        // get the requested action
        $action = CRM_Utils_Request::retrieve('action', 'String',
                                              $this, false, 'browse'); // default to 'browse'

        // assign vars to templates
        $this->assign('action', $action);
        $id = CRM_Utils_Request::retrieve('id', 'Positive',
                                          $this, false, 0);
        
        // set breadcrumb to append to admin/access
        $breadCrumb = array( array('title' => ts('Access Control'),
                                   'url'   => CRM_Utils_System::url( 'civicrm/admin/access', 
                                                                     'reset=1' )) );
        CRM_Utils_System::appendBreadCrumb( $breadCrumb );
        CRM_Utils_System::setTitle( ts('Assign Users to Roles') );

        // what action to take ?
        if ($action & (CRM_Core_Action::UPDATE | CRM_Core_Action::ADD | CRM_Core_Action::DELETE)) {
            $this->edit($action, $id) ;
        } 

        // reset cache if enabled/disabled
        if ($action & (CRM_Core_Action::DISABLE|CRM_Core_Action::ENABLE)) {
            require_once 'CRM/ACL/BAO/Cache.php';
            CRM_ACL_BAO_Cache::resetCache( );
        }

        // finally browse the acl's
         $this->browse();
        
        // parent run 
        parent::run();
    }

    /**
     * Browse all acls
     * 
     * @return void
     * @access public
     * @static
     */
    function browse()
    {
        require_once 'CRM/ACL/DAO/EntityRole.php';

        // get all acl's sorted by weight
        $entityRoles =  array( );
        $dao =& new CRM_ACL_DAO_EntityRole( );
        $dao->find( );

        require_once 'CRM/Core/OptionGroup.php';
        $aclRoles = CRM_Core_OptionGroup::values( 'acl_role' );
        $groups   = CRM_Core_PseudoConstant::staticGroup( ); 

        while ( $dao->fetch( ) ) {
            $entityRoles[$dao->id] = array();
            CRM_Core_DAO::storeValues( $dao, $entityRoles[$dao->id]);

            $entityRoles[$dao->id]['acl_role'] = $aclRoles[$dao->acl_role_id];
            $entityRoles[$dao->id]['entity'  ] = $groups[$dao->entity_id];

            // form all action links
            $action = array_sum(array_keys($this->links()));
            if ($dao->is_active) {
                $action -= CRM_Core_Action::ENABLE;
            } else {
                $action -= CRM_Core_Action::DISABLE;
            }
            
            $entityRoles[$dao->id]['action'] = CRM_Core_Action::formLink(self::links(), $action, 
                                                                         array('id' => $dao->id));
        }
        $this->assign('rows', $entityRoles);
    }

    /**
     * Get name of edit form
     *
     * @return string Classname of edit form.
     */
    function editForm() 
    {
        return 'CRM_ACL_Form_EntityRole';
    }
    
    /**
     * Get edit form name
     *
     * @return string name of this page.
     */
    function editName() 
    {
        return 'ACL EntityRole';
    }
    
    /**
     * Get user context.
     *
     * @return string user context.
     */
    function userContext($mode = null) 
    {
        return 'civicrm/acl/entityrole';
    }
}


