Examples of filters themes can use to easily style Event Organiser Pro's booking form

eo-theme.php

<?php

/**
 * Examples of filters themes can use to easily style Event Organiser Pro's booking form
 * The classes used in this example should ensure the booking form looks native to 
 * any bootstrap based theme. 
 * Of course, you can change those classes to whatever your theme uses.
**/


/**
 * Assign appropriate default classes to form buttons
 */
function mytheme_booking_button_classes( $class, $form ){
	
	//If class is default, then it hasn't been changed by the user, so use the theme's preferred class
	if( 'eo-booking-button' == trim( $class ) ){
		$class = 'btn btn-primary eo-booking-button';
	}

	return $class;
}
add_filter( 'eventorganiser_booking_button_classes', 'mytheme_booking_button_classes', 10, 2 );


/**
 * Assign appropriate default classes to error/warning notices
 */
function mytheme_booking_error_classes( $class, $form ){

	//If class is default, then it hasn't been changed by the user, so use the theme's preferred class
	if( 'eo-booking-error' == trim( $class ) ){
		$class = 'alert alert-error';
	}

	return $class;
}
add_filter( 'eventorganiser_booking_error_classes', 'mytheme_booking_error_classes', 10, 2 );


/**
 * Assign appropriate default classes to notices
 */
function mytheme_booking_notice_classes( $class, $form ){

	//If class is default, then it hasn't been changed by the user, so use the theme's preferred class
	if( 'eo-booking-notice' == trim( $class ) ){
		$class = 'alert alert-info';
	}
	
	return $class;
}
add_filter( 'eventorganiser_booking_notice_classes', 'mytheme_booking_notice_classes', 10, 2 );


/**
 * Assign appropriate default classes to form elements
 */
function mytheme_booking_element_classes( $class, $element ){
	$ignore = array( 'html', 'hidden', 'fieldset', 'terms_conditions', 'hook', 'section', 'button' );
	if( !in_array( $element->type, $ignore ) ){
		$class .= ' form-control ';
	}
	return $class;
}
add_filter( 'eventorganiser_booking_element_classes', 'mytheme_booking_element_classes', 10, 2 );

?>