Search Widget - default nights/adults

Use case: show Widget search block with custom default nights and adults [today, we can only show that block with '1' default value]

a)
hotel_booking.module:234

Add form element for block configuration

      $form['default_nights'] = Array(
        '#type'          => 'select',
        '#title'         => t('Default Nights'),
        '#default_value' => variable_get('hotel_booking_block_default_nights', '2'),
        '#options'       => Array(1 => 1,2 => 2,3 => 3,4 => 4,5 => 5,6 => 6,7 => 7,8 => 8 ),
        '#description'   => t('Select defaut value for Nights.'),
      );

      $form['default_adults'] = Array(
        '#type'          => 'select',
        '#title'         => t('Default Adults'),
        '#default_value' => variable_get('hotel_booking_block_default_adults', '2'),
        '#options'       => Array(1 => 1,2 => 2,3 => 3,4 => 4,5 => 5,6 => 6,7 => 7,8 => 8 ),
        '#description'   => t('Select defaut value for Adults.'),
      );

b)
hotel_booking.module:273
Save submitted values for default adultns and defaults nights [case 'save':]

      variable_set('hotel_booking_block_default_adults', $edit['default_adults']);
      variable_set('hotel_booking_block_default_nights', $edit['default_nights']);

c)
hotel_booking.module:339
Apply selected default value for nights for Search Room widget

'#default_value' => variable_get('hotel_booking_block_default_nights', '2') ,

d)
hotel_booking.module:357
Apply selected default value for adults for Search Room widget

'#default_value' => variable_get('hotel_booking_block_default_adults', '2') ,

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