<?php
/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.5                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2014                                |
 +--------------------------------------------------------------------+
 | 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 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | 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 and the CiviCRM Licensing Exception 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) 2004-2014
 * $Id$
 *
 */

/**
 * This class generates form components for building activity to a case
 *
 */
class CRM_Case_Form_ActivityToCase extends CRM_Core_Form {

  /**
   * build all the data structures needed to build the form.
   *
   * @return void
   * @access public
   */
  function preProcess() {
    $this->_activityId = CRM_Utils_Request::retrieve('activityId', 'Positive', CRM_Core_DAO::$_nullObject);
    if (!$this->_activityId) {
      CRM_Core_Error::fatal('required activity id is missing.');
    }

    $this->_currentCaseId = CRM_Utils_Request::retrieve('caseId', 'Positive', CRM_Core_DAO::$_nullObject);
    $this->assign('currentCaseId', $this->_currentCaseId);
    $this->assign('buildCaseActivityForm', TRUE);
  }

  /**
   * This function sets the default values for the form. For edit/view mode
   * the default values are retrieved from the database
   *
   * @access public
   *
   * @return array
   */
  function setDefaultValues() {
    $defaults = array();
    $params = array('id' => $this->_activityId);

    CRM_Activity_BAO_Activity::retrieve($params, $defaults);
    $defaults['file_on_case_activity_subject'] = $defaults['subject'];
    $defaults['file_on_case_target_contact_id'] = $defaults['target_contact'];

    // If this contact has an open case, supply it as a default
    $cid = CRM_Utils_Request::retrieve('cid', 'Integer');
    if ($cid) {
      $cases = CRM_Case_BAO_Case::getUnclosedCases(array('contact_id' => $cid), $this->_currentCaseId);
      foreach ($cases as $id => $details) {
        $defaults['file_on_case_unclosed_case_id'] = $id;
        $value = array(
          'label' => $details['sort_name'] . ' - ' . $details['case_type'],
          'extra' => array('contact_id' => $cid),
        );
        $this->updateElementAttr('file_on_case_unclosed_case_id', array('data-value' => json_encode($value)));
        break;
      }
    }

    return $defaults;
  }

  /**
   * Function to build the form
   *
   * @return void
   * @access public
   */
  public function buildQuickForm() {
    $this->add('text', 'file_on_case_unclosed_case_id', ts('Select Case'), array('class' => 'huge'), TRUE);
    $this->addEntityRef('file_on_case_target_contact_id', ts('With Contact(s)'), array('multiple' => TRUE));
    $this->add('text', 'file_on_case_activity_subject', ts('Subject'), array('size' => 50));
  }
}