/**
* Called by WPCOM_Liveblog::load(),
* it attaches the new command.
*/
public static function load()
{
add_action('wp_enqueue_scripts', array(__CLASS__, 'enqueue_scripts'));
add_filter('liveblog_before_insert_entry', array(__CLASS__, 'strip_input'), 1);
add_filter('liveblog_before_update_entry', array(__CLASS__, 'strip_input'), 1);
// Allow the features to be seperated in multiple ways: via spaces,
// pipes or commas. This line explodes via spaces and pipes then
// proceeds to explode it via commas. This allows for the tidy:
// feature_one, feature_two, feature_three
self::$features = explode(',', preg_replace('~[ |]+~', ',', self::$features));
self::$features = array_filter(self::$features, 'strlen');
// We pass these features into a filter to allow other plugins,
// themes, etc. to enable or disable any of the features.
self::$features = apply_filters('liveblog_features', self::$features);
// This is the autocomplete prefix regex.
$regex_prefix = '~(?:(?<!\\S)|>?)((?:';
// This is the autocomplete postfix regex.
$regex_postfix = '){1}([0-9_\\-\\p{L}]*[_\\-\\p{L}][0-9_\\-\\p{L}]*))(?:<)?~um';
// We loop every feature and set them up individually.
foreach (self::$features as $name) {
// Grab the class from what we expect the classname to be.
// WPCOM_Liveblog_Entry_Extend_Feature_{{ $name }}
$class = __CLASS__ . '_Feature_' . ucfirst($name);
$feature = new $class();
// Add all the basic (common) feature filters.
add_filter('liveblog_extend_autocomplete', array($feature, 'get_config'), 10);
add_filter('liveblog_before_insert_entry', array($feature, 'filter'), 10);
add_filter('liveblog_before_update_entry', array($feature, 'filter'), 10);
add_filter('liveblog_before_preview_entry', array($feature, 'filter'), 10);
add_filter('liveblog_before_edit_entry', array($feature, 'revert'), 10);
// Set the prefixes to the filtered prefixes.
// This allows themes, plugins, etc. to change prefixes.
$feature->set_prefixes(apply_filters('liveblog_' . $name . '_prefixes', $feature->get_prefixes()));
// We apply the prefixes to the regex so we can match them
// during the autocomplete and matching process.
$regex = $regex_prefix . implode('|', $feature->get_prefixes()) . $regex_postfix;
$feature->set_regex(apply_filters('liveblog_' . $name . '_regex', $regex));
// Finally, simply load the feature as it may have it's
// own setup that it is required to complete.
$feature->load();
}
// Allow external sources to build the autocomplete config that is
// used by the frontend javascript for autocomplete matching.
self::$autocomplete = apply_filters('liveblog_extend_autocomplete', self::$autocomplete);
}
