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<?php /** * */ abstract class Loco_mvc_AdminController extends Loco_mvc_Controller { /** * @var Loco_mvc_View */ private $view; /** * Debugging timestamp (microseconds) * @var float */ private $bench;
/** * Base url to plugin folder for web access * @var string */ private $baseurl;
/** * @var string[] */ private $scripts = [];
/** * Pre-init call invoked by router * @return static */ final public function _init( array $args ){ if( loco_debugging() ){ $this->bench = microtime( true ); } $this->view = new Loco_mvc_View( $args ); $this->auth(); // check essential extensions on all pages so admin notices are shown loco_check_extension('json'); loco_check_extension('mbstring');
// add contextual help tabs to current screen if there are any if( $screen = get_current_screen() ){ try { $this->view->cd('/admin/help'); $tabs = $this->getHelpTabs(); // always append common help tabs $tabs[ __('Help & support','loco-translate') ] = $this->view->render('tab-support'); // set all tabs and common sidebar $i = 0; foreach( $tabs as $title => $content ){ $id = sprintf('loco-help-%u', $i++ ); $screen->add_help_tab( compact('id','title','content') ); } $screen->set_help_sidebar( $this->view->render('side-bar') ); $this->view->cd('/'); } // avoid critical errors rendering non-critical part of page catch( Loco_error_Exception $e ){ $this->view->cd('/'); Loco_error_AdminNotices::add( $e ); } } // helper properties for loading static resources $this->baseurl = plugins_url( '', loco_plugin_self() ); // add common admin page resources $this->enqueueStyle('admin', ['wp-jquery-ui-dialog'] );
// load colour scheme is user has non-default $skin = get_user_option('admin_color'); if( $skin && 'fresh' !== $skin ){ $this->enqueueStyle( 'skins/'.$skin ); } // core minimized admin.js loaded on all pages before any other Loco scripts $this->enqueueScript('admin', ['jquery-ui-dialog'] ); $this->init(); return $this; }
/** * Post-construct initializer that may be overridden by child classes * @return void */ public function init(){ }
/** * "admin_title" filter, modifies HTML document title if we've set one */ public function filter_admin_title( $admin_title, $title ){ if( $view_title = $this->get('title') ){ $admin_title = $view_title.' ‹ '.$admin_title; } return $admin_title; }
/** * "admin_footer_text" filter, modifies admin footer only on Loco pages */ public function filter_admin_footer_text(){ $url = apply_filters('loco_external', 'https://localise.biz/'); return '<span id="loco-credit">'.sprintf( '<span>%s</span> <a href="%s" target="_blank">Loco</a>', esc_html(__('Loco Translate is powered by','loco-translate')), esc_url($url) ).'</span>'; }
/** * "update_footer" filter, prints Loco version number in admin footer */ public function filter_update_footer( /*$text*/ ){ $html = sprintf( '<span>v%s</span>', loco_plugin_version() ); if( $this->bench && ( $info = $this->get('_debug') ) ){ $html .= sprintf('<span>%ss</span>', number_format_i18n($info['time'],2) ); } return $html; }
/** * "loco_external" filter callback, adds campaign identifier onto external links */ public function filter_loco_external( $url ){ $u = parse_url( $url ); if( isset($u['host']) && 'localise.biz' === $u['host'] ){ $query = http_build_query( [ 'utm_medium' => 'plugin', 'utm_campaign' => 'wp', 'utm_source' => 'admin', 'utm_content' => $this->get('_route') ] ); $url = 'https://localise.biz'.$u['path']; if( isset($u['query']) ){ $url .= '?'. $u['query'].'&'.$query; } else { $url .= '?'.$query; } if( isset($u['fragment']) ){ $url .= '#'.$u['fragment']; } } return $url; }
/** * All admin screens must define help tabs, even if they return empty * @return array */ public function getHelpTabs(){ return []; }
/** * {@inheritdoc} */ public function get( $prop ){ return $this->view->__get($prop); }
/** * {@inheritdoc} */ public function set( $prop, $value ){ $this->view->set( $prop, $value ); return $this; }
/** * Render template for echoing into admin screen * @param string $tpl template name * @param array $args template arguments * @return string */ public function view( $tpl, array $args = [] ){ /*if( ! $this->baseurl ){ throw new Loco_error_Debug('Did you mean to call $this->viewSnippet('.json_encode($tpl,JSON_UNESCAPED_SLASHES).') in '.get_class($this).'?'); }*/ $view = $this->view; foreach( $args as $prop => $value ){ $view->set( $prop, $value ); } // ensure JavaScript config present if any scripts are loaded if( $view->has('js') ) { $jsConf = $view->get( 'js' ); } else if( $this->scripts ){ $jsConf = new Loco_mvc_ViewParams; $this->set('js',$jsConf); } else { $jsConf = null; } if( $jsConf instanceof Loco_mvc_ViewParams ){ // ensure config has access to latest version information // we will use this to ensure scripts are not cached by browser, or hijacked by other plugins $jsConf->offsetSet('$v', [ loco_plugin_version(), $GLOBALS['wp_version']] ); $jsConf->offsetSet('$js', array_keys($this->scripts) ); $jsConf->offsetSet('WP_DEBUG', loco_debugging() ); // localize script if translations in memory if( is_textdomain_loaded('loco-translate') ){ $strings = new Loco_js_Strings; $jsConf->offsetSet('wpl10n',$strings->compile()); $strings->unhook(); unset( $strings ); // add currently loaded locale for passing plural equation into js. // note that plural rules come from our data, because MO is not trusted. $tag = apply_filters( 'plugin_locale', get_locale(), 'loco-translate' ); $jsConf->offsetSet('wplang', Loco_Locale::parse($tag) ); } // localized formatting from core translations global $wp_locale; if( is_object($wp_locale) && property_exists($wp_locale,'number_format') ){ $jsConf->offsetSet('wpnum', array_map([$this,'filter_number_format_i18n'],$wp_locale->number_format) ); } } // take benchmark for debugger to be rendered in footer if( $this->bench ){ $this->set('_debug', new Loco_mvc_ViewParams( [ 'time' => microtime(true) - $this->bench, ] ) ); } return $view->render( $tpl ); }
/** * Shortcut to render template without full page arguments as per view * @param string $tpl * @return string */ public function viewSnippet( $tpl ){ return $this->view->render( $tpl ); }
/** * Add CSS to head * @param string $name stem name of file, e.g "editor" * @param string[] $deps dependencies of this stylesheet * @return self */ public function enqueueStyle( $name, array $deps = [] ){ $base = $this->baseurl; if( ! $base ){ throw new Loco_error_Exception('Too early to enqueueStyle('.var_export($name,1).')'); } $id = 'loco-translate-'.strtr($name,'/','-'); // css always minified. sass in build env only $href = $base.'/pub/css/'.$name.'.css'; $vers = apply_filters( 'loco_static_version', loco_plugin_version(), $href ); wp_enqueue_style( $id, $href, $deps, $vers, 'all' ); return $this; }
/** * Add JavaScript to footer * @param string $name stem name of file, e.g "editor" * @param string[] $deps dependencies of this script * @return string */ public function enqueueScript( $name, array $deps = [] ){ $base = $this->baseurl; if( ! $base ){ throw new Loco_error_Exception('Too early to enqueueScript('.json_encode($name).')'); } // use minimized javascript file. hook into script_loader_src to point at development source $href = $base.'/pub/js/min/'.$name.'.js'; $vers = apply_filters( 'loco_static_version', loco_plugin_version(), $href ); $id = 'loco-translate-'.strtr($name,'/','-'); wp_enqueue_script( $id, $href, $deps, $vers, true ); $this->scripts[$id] = $href; return $id; }
/** * @param string $name * @return void */ public function dequeueScript( $name ){ $id = 'loco-translate-'.strtr($name,'/','-'); if( array_key_exists($id,$this->scripts) ){ wp_dequeue_script($id); unset($this->scripts[$id]); } }
/** * @internal * @param string $tag * @param string $id * @return string */ public function filter_script_loader_tag( $tag, $id ) { if( array_key_exists($id,$this->scripts) ) { // Add element id for in-dom verification of expected scripts if( '<script ' === substr($tag,0,8) ){ // WordPress has started adding their own ID since v5.5 which simply appends -js to the handle $id .= '-js'; if( false === strpos($tag,$id) ){ $tag = '<script id="'.$id.'" '.substr($tag,8); } } } return $tag; }
}
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