/**
  * Update the position for this to mark it as closed and then save the object.
  */
 public function save()
 {
     if (!$this->hasPermission('task(person_can_edit_child_form_person_position)')) {
         $this->userMessage("You cannot change a person's position");
         return false;
     }
     //we are only displaying one person_position form on the page, it is the new person_position form. W
     if ($this->current_person_position instanceof iHRIS_PersonPosition) {
         $this->current_person_position->save($this->user);
     }
     if ($this->current_position instanceof iHRIS_Position) {
         //now close out the current position
         $this->current_position->statusOnly();
         $this->current_position->save($this->user);
     }
     //we can now save the details on the new position
     $this->new_position->setFromDB('position_status|closed');
     $this->new_position->save($this->user);
     //now that the new position has been saved, we can link it to the new_person_position
     $this->new_person_position->getField('position')->setFromDB($this->new_position->getNameID());
     $this->new_person_position->save($this->user);
     if ($this->hasPermission('task(person_can_edit_child_form_salary)')) {
         if ($this->current_salary instanceof iHRIS_Salary) {
             $this->current_salary->save($this->user);
         }
         $this->new_salary->setParent($this->new_person_position);
         $this->new_salary->save($this->user);
     }
     $this->setRedirect("view?id=" . $this->person->getFormID());
 }
 /**
  * Run extra validation for the fields being edited.
  */
 protected function validate()
 {
     parent::validate();
     if ($this->post_exists('position_option') && $this->post('position_option') == 'create' && $this->new_position instanceof iHRIS_Position) {
         $this->new_position->validate();
     }
     if ($this->isPost() && $this->old_position instanceof iHRIS_Position) {
         if ($this->getPrimary()->start_date->compare($this->old_person_position->start_date) != -1) {
             $this->getPrimary()->setInvalidMessage('start_date', 'bad_date');
         }
         if (!$this->old_position->getField('status')->isValid()) {
             $this->old_position->setInvalidMessage('status', 'required');
         }
         //I2CE::raiseMessage("in validate " . $this->old_position->getField('status')->getDBValue() );
         if (!$this->old_person_position->getField('reason')->isValid()) {
             $this->old_person_position->setInvalidMessage('reason', 'required');
         }
     }
 }