public function create()
 {
     $form = new Form();
     $form->addText('workStart', 'Začátek', 3, 5)->setRequired('Vyplňte pole "Začátek prac. doby".')->setDefaultValue($this->defaultItemTime['workStart'])->setHtmlId('workStart')->setAttribute('class', 'input-time')->addRule(Form::PATTERN, 'Do pole "Začátek prac. doby" lze zadat pouze
                  čas v 24 hodinovém formátu po půlhodinách.', '([01]?[0-9]|2[0-3]):(0|3)0');
     $form->addText('workEnd', 'Konec', 3, 5)->setRequired('Vyplňte pole "Konec prac. doby".')->setDefaultValue($this->defaultItemTime['workEnd'])->setHtmlId('workEnd')->setAttribute('class', 'input-time')->addRule(Form::PATTERN, 'Do pole "Konec prac. doby" lze zadat pouze
                  čas v 24 hodinovém formátu po půlhodinách.', '([01]?[0-9]|2[0-3]):(0|3)0');
     $form->addText('lunch', 'Oběd', 3, 5)->setRequired('Vyplňte pole "Oběd".')->setDefaultValue($this->defaultItemTime['lunch'])->setHtmlId('lunch')->setAttribute('class', 'input-time')->addRule(Form::PATTERN, 'Do pole "Oběd" lze zadat pouze
                  čas v ve formátu s čárkou. (např. 1 nebo 1,5)', '^(0|[1-9]|1[0-9]|2[0-3])(,(0|5))?$');
     $form->addText('otherHours', 'Ostatní hod.')->setDefaultValue($this->defaultItemTime['otherHours'])->setHtmlId('otherHours')->setAttribute('class', 'input-time')->addCondition(Form::FILLED)->addRule(Form::PATTERN, 'Do pole "Ostaní hodiny" lze zadat pouze
                  čas ve formátu s čárkou.(např. 6 nebo 6,5)', '^(0|[1-9]|1[0-9]|2[0-3])(,(0|5))?$');
     $form->addText('locality', 'Místo pracoviště', 28, 40)->setRequired('Vyplňte pole "Místo pracoviště".')->setHtmlId('locality')->getControlPrototype()->class = 'item-text-input';
     $form->addText('description', 'Popis práce', 28, 30)->getControlPrototype()->class = 'item-text-input';
     $form->addText('descOtherHours', 'Komentář k ostat. hod. (např. svátek)', 28, 30)->addConditionOn($form['otherHours'], Form::FILLED)->addCondition(Form::FILLED)->addRule(function ($item, $arg) {
         return \InvoiceTime::processTime($arg) == '00:00:00' ? false : true;
     }, self::OTHER_HOURS_ZERO_TIME_ERROR_MSG, $form['otherHours']);
     $form['descOtherHours']->getControlPrototype()->class = 'item-text-input';
     // time control buttons
     $form->addButton('workStartAdd', '+')->setAttribute('class', self::BTN_TIME_ADD_CLASS)->setAttribute('data-time', Json::encode(['inputID' => $form['workStart']->control->attrs['id'], 'slider' => 'slider_range', 'pos' => 0, 'val' => -30]));
     $form->addButton('workStartSub', '-')->setAttribute('class', self::BTN_TIME_SUB_CLASS)->setAttribute('data-time', Json::encode(['inputID' => $form['workStart']->control->attrs['id'], 'slider' => 'slider_range', 'pos' => 0, 'val' => 30]));
     $form->addButton('workEndAdd', '+')->setAttribute('class', self::BTN_TIME_ADD_CLASS)->setAttribute('data-time', Json::encode(['inputID' => $form['workEnd']->control->attrs['id'], 'slider' => 'slider_range', 'pos' => 1, 'val' => 30]));
     $form->addButton('workEndSub', '-')->setAttribute('class', self::BTN_TIME_SUB_CLASS)->setAttribute('data-time', Json::encode(['inputID' => $form['workEnd']->control->attrs['id'], 'slider' => 'slider_range', 'pos' => 1, 'val' => -30]));
     $form->addButton('lunchAdd', '+')->setAttribute('class', self::BTN_TIME_ADD_CLASS)->setAttribute('data-time', Json::encode(['inputID' => $form['lunch']->control->attrs['id'], 'slider' => 'slider_lunch', 'val' => -30]));
     $form->addButton('lunchSub', '-')->setAttribute('class', self::BTN_TIME_SUB_CLASS)->setAttribute('data-time', Json::encode(['inputID' => $form['lunch']->control->attrs['id'], 'slider' => 'slider_lunch', 'val' => 30]));
     $form->addButton('otherHoursAdd', '+')->setAttribute('class', self::BTN_TIME_ADD_CLASS)->setAttribute('data-time', Json::encode(['inputID' => $form['otherHours']->control->attrs['id'], 'slider' => 'slider_time_other', 'val' => 0]));
     $form->addButton('otherHoursSub', '-')->setAttribute('class', self::BTN_TIME_SUB_CLASS)->setAttribute('data-time', Json::encode(['inputID' => $form['otherHours']->control->attrs['id'], 'slider' => 'slider_time_other', 'val' => 0]));
     $form->addSubmit('save', 'Uložit řádek');
     $form->getElementPrototype()->id = 'update-form';
     return $form;
 }