protected function extra_tablenav( $which ) {

		if ( $which !== 'top' ) {
			return;
		}

		$this->months_dropdown( '' );

		$selected = isset( $_GET['level'] ) ? $_GET['level'] : '';
		?>

		<label for="filter-by-level" class="screen-reader-text">
			<?php echo $this->translations['levelFilterLabel']; ?>
		</label>

		<select name="level" id="filter-by-level">

			<option value=""><?php echo $this->translations['allLevels']; ?></option>

			<?php foreach ( $this->get_levels() as $level => $label ): ?>

				<option value="<?php echo esc_attr( $level ); ?>" <?php selected( $selected, $level ); ?>>
					<?php echo $label; ?>
				</option>

			<?php endforeach; ?>

		</select>

		<?php submit_button( $this->translations['filter'], 'button', 'filter_action', false );
	}
protected function extra_tablenav( $which ) {

		if ( $which !== 'top' ) {
			return;
		}

		$this->months_dropdown( '' );

		$selected = isset( $_GET['level'] ) ? $_GET['level'] : '';
		?>

		<label for="filter-by-level" class="screen-reader-text">
			<?php echo $this->translations['levelFilterLabel']; ?>
		</label>

		<select name="level" id="filter-by-level">

			<option value=""><?php echo $this->translations['allLevels']; ?></option>

			<?php foreach ( $this->get_levels() as $level => $label ): ?>

				<option value="<?php echo esc_attr( $level ); ?>" <?php selected( $selected, $level ); ?>>
					<?php echo $label; ?>
				</option>

			<?php endforeach; ?>

		</select>

		<?php submit_button( $this->translations['filter'], 'button', 'filter_action', false );
	}
protected function extra_tablenav ( $ which ) { if ( $ which !== 'top' ) { return ; } $ this -> months_dropdown ( '' ) ; $ selected = isset ( $ _GET [ 'level' ] ) ? $ _GET [ 'level' ] : '' ; ?>

		<label for="filter-by-level" class="screen-reader-text">
			<?php echo $ this -> translations [ 'levelFilterLabel' ] ; ?>
		</label>

		<select name="level" id="filter-by-level">

			<option value=""><?php echo $ this -> translations [ 'allLevels' ] ; ?></option>

			<?php foreach ( $ this -> get_levels ( ) as $ level => $ label ) : ?>

				<option value="<?php echo esc_attr ( $ level ) ; ?>" <?php selected ( $ selected , $ level ) ; ?>>
					<?php echo $ label ; ?>
				</option>

			<?php endforeach ; ?>

		</select>

		<?php submit_button ( $ this -> translations [ 'filter' ] , 'button' , 'filter_action' , false ) ; }
Extra controls to be displayed between bulk actions and pagination

@since  1.0
@access protected

@param string $which
Extra controls to be displayed between bulk actions and pagination