<?php
/**
* Output the print view.
*
* @category Calendar
* @package My Calendar
* @author Joe Dolson
* @license GPLv2 or later
* @link https://www.joedolson.com/my-calendar/
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
add_action( 'template_redirect', 'my_calendar_print_view' );
/**
* Redirect to print view if query set.
*/
function my_calendar_print_view() {
if ( isset( $_GET['cid'] ) && 'mc-print-view' === $_GET['cid'] ) {
my_calendar_print();
exit;
}
}
/**
* Produce print view output.
*/
function my_calendar_print() {
$mc_version = mc_get_version();
$mc_version .= ( SCRIPT_DEBUG ) ? '-' . wp_rand( 10000, 99999 ) : '';
$url = plugin_dir_url( __FILE__ );
// The time string can contain a plus literal, which needs to be re-encoded.
$time = ( isset( $_GET['time'] ) ) ? sanitize_text_field( urlencode( $_GET['time'] ) ) : 'month';
$category = ( isset( $_GET['mcat'] ) ) ? sanitize_text_field( $_GET['mcat'] ) : '';
$ltype = ( isset( $_GET['ltype'] ) ) ? sanitize_text_field( $_GET['ltype'] ) : '';
$lvalue = ( isset( $_GET['lvalue'] ) ) ? sanitize_text_field( $_GET['lvalue'] ) : '';
header( 'Content-Type: ' . get_bloginfo( 'html_type' ) . '; charset=' . get_bloginfo( 'charset' ) );
if ( mc_file_exists( 'mc-print.css' ) ) {
$stylesheet = mc_get_file( 'mc-print.css', 'url' );
} else {
$stylesheet = $url . 'css/mc-print.css';
}
$args = array(
'type' => 'print',
'category' => $category,
'time' => $time,
'ltype' => $ltype,
'lvalue' => $lvalue,
);
$return_url = mc_get_uri( false, $args );
/**
* Filter the root URL used to generate the return URL.
*
* @hook mc_print_return_url
*
* @param {string} $return_url Referer URL for calendar print view arrived from.
* @param {string} $category Category argument.
* @param {string} $time Time argument.
* @param {string} $ltype Location type argument.
* @param {string} $lvalue Location value argument.
*
* @return {string}
*/
$return_url = apply_filters( 'mc_print_return_url', $return_url, $category, $time, $ltype, $lvalue );
if ( isset( $_GET['href'] ) ) {
// Only support URLs on the same home_url().
$ref_url = esc_url( urldecode( $_GET['href'] ) );
$ref_root = parse_url( $ref_url )['host'];
$root = parse_url( home_url() )['host'];
$local = ( false !== stripos( $ref_url, home_url() ) && false !== stripos( $root, $ref_root ) ) ? true : false;
if ( $ref_url && $local ) {
$return_url = $ref_url;
} else {
wp_die( 'My Calendar: invalid print URL provided.' );
}
}
?>
<!DOCTYPE html>
<html <?php language_attributes(); ?>>
<!--<![endif]-->
<head>
<meta charset="<?php echo esc_attr( get_bloginfo( 'charset' ) ); ?>" />
<meta name="viewport" content="width=device-width" />
<title><?php echo esc_html( get_bloginfo( 'name' ) ) . ' - ' . esc_html__( 'Calendar: Print View', 'my-calendar' ); ?></title>
<meta name="generator" content="My Calendar for WordPress" />
<meta name="robots" content="noindex,nofollow" />
<!-- Copy mc-print.css to your theme directory if you wish to replace the default print styles -->
<link rel="stylesheet" href="<?php echo esc_url( includes_url( '/css/dashicons.css' ) ); ?>" type="text/css" media="screen,print" />
<link rel="stylesheet" href="<?php echo esc_url( add_query_arg( 'version', $mc_version, $stylesheet ) ); ?>" type="text/css" media="screen,print" />
<?php
/**
* Execute action in the `head` element of the My Calendar print view, where wp_head() won't be run.
*
* @hook mc_print_view_head
*
* @param {string} $output Potential output for My Calendar; default empty string.
*/
do_action( 'mc_print_view_head', '' );
?>
</head>
<body>
<?php
$calendar = array(
'name' => 'print',
'format' => 'calendar',
'category' => $category,
'time' => $time,
'ltype' => $ltype,
'lvalue' => $lvalue,
'id' => 'mc-print-view',
'below' => 'key',
'above' => 'none',
'json' => 'false',
);
echo wp_kses_post( my_calendar( $calendar ) );
$add = array_map( 'esc_html', $_GET );
unset( $add['cid'] );
unset( $add['feed'] );
unset( $add['href'] );
/**
* Return to calendar URL from print view.
*
* @hook mc_return_to_calendar
*
* @param {string} $return_url URL to return to previous page.
* @param {array} $add Array of parameters added to this URL.
*
* @return {string}
*/
$return_url = apply_filters( 'mc_return_to_calendar', mc_build_url( $add, array( 'feed', 'cid', 'href', 'searched' ), $return_url ), $add );
if ( $return_url ) {
echo "<p class='return'><a href='" . esc_url( $return_url ) . "'><span class='dashicons dashicons-arrow-left-alt' aria-hidden='true'></span> " . esc_html__( 'Return to calendar', 'my-calendar' ) . '</a> <a href="javascript:window.print()"><span class="dashicons dashicons-printer" aria-hidden="true"></span> ' . esc_html( __( 'Print', 'my-calendar' ) ) . '</a></p>';
}
?>
</body>
</html>
<?php
}