Files

170 lines
7.9 KiB
PHP

<?php
defined( 'WPINC' ) OR exit;
class DG_FeaturePointers {
/**
* @var string Each method used to output a feature pointer must end in this suffix.
*/
private static $feature_pointer_method_suffix = 'FeaturePointer';
/**
* @var string[] The cached pointer methods to avoid reflecting multiple times in a given session.
*/
private static $feature_pointer_methods;
/**
* Enqueues the wp-pointer CSS/JS along with any specific feature pointers.
*/
public static function enqueueScripts() {
$seen = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );
$do_add_script = false;
foreach ( self::getFeaturePointerMethods() as $method ) {
$fp_id = self::getFeaturePointerIdFromMethodName( $method );
if ( ! in_array( $fp_id, $seen ) ) {
$do_add_script = true;
add_action( 'admin_print_footer_scripts', array( __CLASS__, $method ) );
}
}
// enqueue WP core CSS/JS if we've got pointers
if ( $do_add_script ) {
wp_enqueue_script( 'wp-pointer' );
wp_enqueue_style( 'wp-pointer' );
}
}
/**
* Feature pointer for DG settings.
*/
public static function dg41_1FeaturePointer() {
$title = '<h3>' . __( 'Configure Document Gallery', 'document-gallery' ) . '</h3>';
$body = '<p>' . __( 'Did you know Document Gallery has lots of configurable settings allowing you to fine tune ' .
'what your users experience when viewing a gallery? <em>Click the <strong>Settings</strong> ' .
'link above to see for yourself!</em>', 'document-gallery' ) . '</p>';
self::printFeaturePointer( '#the-list #document-gallery .row-actions', array( 'content' => $title . $body, 'position' => 'top' ) );
}
/**
* Feature pointer for Thumber.co tab in DG settings.
*/
public static function dg41_2FeaturePointer() {
$title = '<h3>' . __( 'More Thumbnails!', 'document-gallery' ) . '</h3>';
$body = '<p>' . __( 'If you need to generate thumbnails for Word documents, PowerPoints, and more then you ' .
'need to check out Thumber.co. Free 1-week trial for a limited time! <em>Click the ' .
'<strong>Thumber.co</strong> tab above to get started.</em>', 'document-gallery' ) . '</p>';
self::printFeaturePointer( '#thumber-co-tab-header', array( 'content' => $title . $body, 'position' => 'top' ) );
}
/**
* Feature pointer for visual editor when post contains MS Office files.
*/
public static function dg424_FeaturePointer() {
$title = '<h3>' . __( 'More Thumbnails!', 'document-gallery' ) . '</h3>';
$body = '<p>' . sprintf( __( 'It looks like your gallery includes Word, PowerPoint, or some other Microsoft Office ' .
'files. Did you know that Document Gallery can generate thumbanils for these too? ' .
'<a href="%s">Learn more.</a>', 'document-gallery' ),
'options-general.php?page=' . DG_OPTION_NAME . '&tab=thumber-co-tab' ) . '</p>';
$position = array( 'edge' => 'top', 'align' => 'left', 'defer_loading' => true );
self::printFeaturePointer( '#insert-media-button', array( 'content' => $title . $body, 'position' => $position ) );
}
/**
* Print the pointer JavaScript data.
* NOTE: Taken from WP_Internal_Pointers.
*
* @param string $selector The HTML elements, on which the pointer should be attached.
* @param mixed[] $args Arguments to be passed to the pointer JS (see wp-pointer.js).
*/
private static function printFeaturePointer( $selector, $args ) {
if ( empty( $selector ) || empty( $args ) || empty( $args['content'] ) )
return;
// optimize version_compare as much as possible based on PHP version
$trace = version_compare( PHP_VERSION, '5.4', '>=' )
? debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS, 2 )
: debug_backtrace( false );
$pointer_id = self::getFeaturePointerIdFromMethodName( $trace[1]['function'] );
// NOTE: If below JS is modified, *ensure* that minified is also updated
?>
<script>
<?php if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ): ?>
(function($){
var options = <?php echo wp_json_encode( $args ); ?>, setup;
if ( ! options )
return;
options = $.extend( options, {
close: function() {
$.post( ajaxurl, {
pointer: '<?php echo $pointer_id; ?>',
action: 'dismiss-wp-pointer'
});
}
});
setup = function() {
$('<?php echo $selector; ?>').first().pointer( options ).pointer('open');
};
if ( options.position && options.position.defer_loading ) {
var hdlr = function () {
setup();
$('<?php echo $selector; ?>').off('ready.dg', hdlr);
};
$('<?php echo $selector; ?>').on('ready.dg', hdlr);
} else {
$(document).ready(setup);
}
})( jQuery );
<?php else: ?>
(function(a){var b=<?php echo wp_json_encode( $args ); ?>,c;if(b)if(b=a.extend(b,{close:function(){a.post(ajaxurl,{pointer:"<?php echo $pointer_id; ?>",action:"dismiss-wp-pointer"})}}),c=function(){a("<?php echo $selector; ?>").first().pointer(b).pointer("open")},b.position&&b.position.defer_loading){var d=function(){c();a("<?php echo $selector; ?>").off("ready.dg",d)};a("<?php echo $selector; ?>").on("ready.dg",d)}else a(document).ready(c)})(jQuery);
<?php endif; ?>
</script>
<?php
}
/**
* @param string $method The method name.
* @return string The feature pointer ID.
*/
private static function getFeaturePointerIdFromMethodName( $method ) {
return rtrim( substr( $method, 0, strlen( $method ) - strlen( self::$feature_pointer_method_suffix ) ), '_' );
}
/**
* Reflectively retrieves all of the feature pointer methods, which must end with the feature pointer method suffix.
* @return string[] The names of all public class methods matching the feature pointer pattern.
*/
private static function getFeaturePointerMethods() {
if ( ! isset( self::$feature_pointer_methods ) ) {
$reflect = new ReflectionClass( __CLASS__ );
$methods = $reflect->getMethods( ReflectionMethod::IS_STATIC | ReflectionMethod::IS_PUBLIC );
self::$feature_pointer_methods =
array_map(
array( __CLASS__, 'getNameFromMethod' ),
array_filter( $methods, array( __CLASS__, 'isFilterPointerMethod' ) ) );
}
return self::$feature_pointer_methods;
}
/**
* @param $method ReflectionMethod The method to extract name from.
*/
private static function getNameFromMethod( $method ) {
return $method->name;
}
/**
* @param $method ReflectionMethod The method name.
* @return bool Whether the method name matches the filter pointer pattern.
*/
private static function isFilterPointerMethod( $method ) {
// NOTE: ReflectionClass returns methods that are static OR public -- must reduce to an AND
return $method->isPublic() && $method->isStatic() && DG_Util::endsWith( $method->name, self::$feature_pointer_method_suffix );
}
}