header();
check_admin_referer( 'vamtam-import' );
$file = VAMTAM_SAMPLES_DIR . 'sidebars';
set_time_limit( 0 );
$this->import( $file );
$this->footer();
}
/**
* The main controller for the actual import stage.
*
* @param string $file Path to the WXR file for importing
*/
private function import( $file ) {
add_filter( 'import_post_meta_key', array( $this, 'is_valid_meta_key' ) );
add_filter( 'http_request_timeout', array( &$this, 'bump_request_timeout' ) );
$this->import_start( $file );
wp_suspend_cache_invalidation( true );
$this->import_widgets( $file );
wp_suspend_cache_invalidation( false );
$this->import_end();
}
private function import_widgets( $file ) {
$data = unserialize( base64_decode( file_get_contents( $file ) ) );
$data['positions']['wp_inactive_widgets'] = array();
wp_set_sidebars_widgets( $data['positions'] );
$map = get_option( 'vamtam_last_import_map', array() );
foreach ( $data['widgets'] as $class => $widget ) {
update_option( $class, $this->process_widget_conditions( $class, $widget, $map ) );
}
}
private function process_widget_conditions( $class, $widgets, & $map ) {
if ( ! empty( $map ) ) {
foreach ( $widgets as $id => &$widget ) {
if ( is_array( $widget['conditions'] ) ) {
// key is the widget visibility rule type, value is the key in $map
$major_tr = array(
'author' => 'authors',
'page' => 'posts',
'category' => 'terms',
'tag' => 'terms',
// 'taxonomy' => 'terms', // unimplemented, yet
);
foreach ( $widget['conditions']['rules'] as $rule_id => &$rule ) {
if ( isset( $major_tr[ $rule['major'] ] ) && is_numeric( $rule[ 'minor' ] ) ) {
$rule['minor'] = $map[ $major_tr[ $rule['major'] ] ][ (int) $rule[ 'minor' ] ];
}
}
}
if ( $class === 'widget_nav_menu' && is_array( $widget ) ) {
$from = (int) $widget['nav_menu'];
if ( isset( $map['terms'][ $from ] ) ) {
$mapped = $map['terms'][ $from ];
echo "will map menu {$from} to {$mapped}
";
$widget['nav_menu'] = $mapped;
} else {
echo "no mapped id for nav_menu {$from}
";
}
}
}
}
return $widgets;
}
/**
* Parses the WXR file and prepares us for the task of processing parsed data
*
* @param string $file Path to the WXR file for importing
*/
private function import_start( $file ) {
if ( ! is_file( $file ) ) {
echo '' . esc_html__( 'Sorry, there has been an error.', 'wordpress-importer' ) . '
';
esc_html_e( 'The file does not exist, please try again.', 'wordpress-importer' );
echo '
';
$this->footer();
die();
}
do_action( 'import_start' );
}
/**
* Performs post-import cleanup of files and the cache
*/
private function import_end() {
echo '' . esc_html__( 'All done.', 'wordpress-importer' ) . ' ' . esc_html__( 'Have fun!', 'wordpress-importer' ) . '
'; $redirect = admin_url( '' );
do_action( 'import_end' );
}
// Display import page title
private function header() {
echo '';
echo '
' . esc_html__( 'Import Vamtam Widgets', 'wordpress-importer' ) . '
'; }
// Close div.wrap
private function footer() {
echo '';
}
/**
* Added to http_request_timeout filter to force timeout at 60 seconds during import
* @return int 60
*/
public function bump_request_timeout( $imp ) {
return 60;
}
}
}
function vamtam_widget_importer_init() {
if ( defined( 'VAMTAM_SAMPLES_DIR' ) ) {
$GLOBALS['vamtam_widget_import'] = new Vamtam_Widget_Import();
register_importer( 'vamtam_widgets', 'Vamtam Widget Import', sprintf( esc_html__( 'Import widgets from Vamtam themes, not to be used as a stand-alone product.', 'wpv' ), VAMTAM_THEME_NAME ), array( $GLOBALS['vamtam_widget_import'], 'dispatch' ) );
}
}
add_action( 'admin_init', 'vamtam_widget_importer_init' );