Phabricator のプロジェクト名 #BetaFeatures

Extension:BetaFeatures

From MediaWiki.org
Jump to: navigation, search
This page is a translated version of the page Extension:BetaFeatures and the translation is 18% complete.

Other languages:
العربية • ‎български • ‎català • ‎Deutsch • ‎English • ‎español • ‎suomi • ‎français • ‎עברית • ‎Հայերեն • ‎Bahasa Indonesia • ‎italiano • ‎日本語 • ‎한국어 • ‎polski • ‎português • ‎português do Brasil • ‎русский • ‎sicilianu • ‎سنڌي • ‎中文
MediaWiki 拡張機能マニュアルManual:Extensions
Crystal Clear action run.png
BetaFeatures

リリースの状態:Extension status 安定

BetaFeatures 2013-09-06.png
実装Template:Extension#type Media, Hook, Database
説明Template:Extension#description Allows other extensions to register their beta features in the user preferences
作者Template:Extension#username Mark Holmquist (MarkTraceurtalk)
最新バージョンTemplate:Extension#version 0.1 (Continous updates)
MediaWikiTemplate:Extension#mediawiki 1.25+
PHPTemplate:Extension#php 5.4+
データベースの変更Template:Extension#needs-updatephp はい
ライセンスTemplate:Extension#license GNU General Public License 2.0 or later
ダウンロード Template:WikimediaDownload/gerritonly
Template:Extension#example Multimedia Alpha site
名前空間Template:Extension#namespace Special
パラメーターTemplate:Extension#parameters
  • $wgBetaFeaturesWhitelist
  • $wgBeatFeatures
使用するフックTemplate:Extension#hook
UserSaveOptionsManual:Hooks/UserSaveOptions
GetPreferencesManual:Hooks/GetPreferences
PersonalUrlsManual:Hooks/PersonalUrls
LoadExtensionSchemaUpdatesManual:Hooks/LoadExtensionSchemaUpdates
MakeGlobalVariablesScriptManual:Hooks/MakeGlobalVariablesScript
ExtensionTypesManual:Hooks/ExtensionTypes

translatewiki.net で翻訳を利用できる場合は、BetaFeatures 拡張機能の翻訳にご協力ください

使用状況とバージョン マトリクスを確認してください。

問題点Phabricator

未解決のタスク · バグを報告

The BetaFeatures extension allows other MediaWiki extensions to register beta features with the list of user preferences on the wiki. It uses the existing user preferences architecture and a few special pages to accomplish its function.

インストール[edit]

  • ダウンロードして、ファイルを extensions/ フォルダー内の BetaFeatures という名前のディレクトリ内に配置します。
  • 以下のコードを LocalSettings.php の末尾に追加します:
    wfLoadExtension( 'BetaFeatures' );
    
  • 更新スクリプトを実行します。このスクリプトは、この拡張機能が必要とするデータベース テーブルを自動的に作成します。
  • YesY 完了 - ウィキの「Special:Version」に移動して、拡張機能が正しくインストールされたことを確認します。

MediaWiki 1.24 以前を稼働させている利用者へ:

上記の手順では、wfLoadExtension() を使用してこの拡張機能をインストールする新しい方法を記載しています。 この拡張機能をこれらの過去のバージョン (MediaWiki 1.24 以前) にインストールする必要がある場合は、wfLoadExtension( 'BetaFeatures' ); の代わりに以下を使用する必要があります:

require_once "$IP/extensions/BetaFeatures/BetaFeatures.php";

Using the new hooks in your extension[edit]

Using this extension to support your beta feature is easy. Register a hook of type "GetBetaFeaturePreferences" in your extension's main file - the syntax is almost identical to the GetPreferences hook, with small changes to support the type of preference we need in this case.

// MyExtension.php
$wgAutoloadClasses['MyExtensionHooks'] = __DIR__ . '/MyExtensionHooks.php';
$wgHooks['GetBetaFeaturePreferences'][] = 'MyExtensionHooks::getPreferences';
For now, 'label-message', 'desc-message', 'info-link', and 'discussion-link' are required. Please be sure you use all of them!
// MyExtensionHooks.php
class MyExtensionHooks {

    static function getPreferences( $user, &$prefs ) {
        global $wgExtensionAssetsPath;

        $prefs['my-awesome-feature'] = array(
            // The first two are message keys
            'label-message' => 'beta-feature-message',
            'desc-message' => 'beta-feature-description',
            // Paths to images that represents the feature.
            // The image is usually different for ltr and rtl languages.
            // Images for specific languages can also specified using the language code.
            'screenshot' => array(
                'ru' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-ru.png",
                'ltr' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-ltr.png",
                'rtl' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-rtl.png",
            ),
            // Link to information on the feature - use subpages on mw.org, maybe?
            'info-link' => 'https://www.mediawiki.org/wiki/Special:MyLanguage/MyFeature',
            // Link to discussion about the feature - talk pages might work
            'discussion-link' => 'https://www.mediawiki.org/wiki/Talk:MyFeature',
        );
    }
}

Then, you can use the convenience function provided by BetaFeatures to check whether the feature is enabled.

// SpecialMyExtension.php
class SpecialMyExtension extends SpecialPage {

    public function execute() {
        if ( BetaFeatures::isFeatureEnabled( $this->getUser(), 'my-awesome-feature' ) ) {
            // Implement the feature!
        }
    }
}

You can also use a normal preference check, but don't check against truthy or falsy values - use the values from the HTMLFeatureField class.

// SpecialMyExtension.php
class SpecialMyExtension extends SpecialPage {

    public function execute() {
        if ( $this->getUser()->getOption( 'my-awesome-feature' ) === HTMLFeatureField::OPTION_ENABLED ) {
            // Implement the feature!
        }
    }
}

Because the BetaFeatures class should be present everywhere, you could use the convenience function in any hook, special page, or anything else you wanted. Just be aware of potential performance or caching issues you may introduce with those changes.

高度な使用法[edit]

Want to see something really cool?

Auto-enroll groups[edit]

With this example, we register a preference that's an "auto-enroll" one - if a user checks this, and new features come out that are in a particular group, the user will be automatically enrolled in those features.

// MyExtensionHooks.php
class MyExtensionHooks {

    static function getPreferences( $user, &$prefs ) {
        global $wgExtensionAssetsPath;

        $prefs['my-awesome-feature-auto-enroll'] = array(
            // The first two are message keys
            'label-message' => 'beta-feature-autoenroll-message',
            'desc-message' => 'beta-feature-autoenroll-description',
            // Link to information on the feature - use subpages on mw.org, maybe?
            'info-link' => 'https://wwww.mediawiki.org/wiki/Special:MyLanguage/MyFeature',
            // Link to discussion about the feature - talk pages might work
            'discussion-link' => 'https://www.mediawiki.org/wiki/Talk:MyFeature',
            // Enable auto-enroll for this group
            'auto-enrollment' => 'my-awesome-feature-group',
        );

        $prefs['my-awesome-feature'] = array(
            // The first two are message keys
            'label-message' => 'beta-feature-message',
            'desc-message' => 'beta-feature-description',
            // Paths to images that represents the feature.
            // The image is usually different for ltr and rtl languages.
            // Images for specific languages can also specified using the language code.
            'screenshot' => array(
                'ru' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-ru.png",
                'ltr' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-ltr.png",
                'rtl' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-rtl.png",
            ),
            // Link to information on the feature - use subpages on mw.org, maybe?
            'info-link' => 'https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:MyExtension/SomeFeature',
            // Link to discussion about the feature - talk pages might work
            'discussion-link' => 'https://www.mediawiki.org/wiki/Extension_talk:MyExtension/SomeFeature',
            // Add feature to this group
            'group' => 'my-awesome-feature-group',
        );
    }
}

Dependency management[edit]

Next up, we can actually define dependency management per-feature. To do this we first register the name of a hook that we want to use for this with the hook "GetBetaFeatureDependencyHooks", then we register a hook of that type that checks some dependency, and returns true if it's met or false if not.

// MyExtension.php
$wgAutoloadClasses['MyExtensionHooks'] = __DIR__ . '/MyExtensionHooks.php';
Hooks::register( 'GetBetaFeaturePreferences', 'MyExtensionHooks::getPreferences' );
Hooks::register( 'GetBetaFeatureDependencyHooks', 'MyExtensionHooks::getDependencyCallbacks' );
Hooks::register( 'CheckDependenciesForMyExtensionFeature', 'MyExtensionHooks::checkDependencies' );
// MyExtensionHooks.php
class MyExtensionHooks {

    static function getPreferences( $user, &$prefs ) {
        global $wgExtensionAssetsPath;

        $prefs['my-awesome-feature'] = array(
            // The first two are message keys
            'label-message' => 'beta-feature-message',
            'desc-message' => 'beta-feature-description',
            // Paths to images that represents the feature.
            // The image is usually different for ltr and rtl languages.
            // Images for specific languages can also specified using the language code.
            'screenshot' => array(
                'ru' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-ru.png",
                'ltr' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-ltr.png",
                'rtl' => "$wgExtensionAssetsPath/MyExtension/images/screenshot-rtl.png",
            ),
            // Link to information on the feature - use subpages on mw.org, maybe?
            'info-link' => 'https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:MyExtension/SomeFeature',
            // Link to discussion about the feature - talk pages might work
            'discussion-link' => 'https://www.mediawiki.org/wiki/Extension_talk:MyExtension/SomeFeature',
            // Mark as dependent on something
            'dependent' => true,
        );
    }

    static function getDependencyCallbacks( &$depHooks ) {
        $depHooks['my-awesome-feature'] = 'CheckDependenciesForMyExtensionFeature';
        return true;
    }

    static function checkDependencies() {
        $dependenciesMet = false;
        // Do some fancy checking and return the result
        return $dependenciesMet;
    }
}

You can abuse use this feature to do per-wiki disabling of features, if they're marked as dependent. But that sounds really hacky. You probably shouldn't. I can hear you thinking about it right now, just stop it.

Database stuff[edit]

There's a database table (betafeatures_user_counts) defined, and used, by BetaFeatures. But you might get confused by it if you try to use it locally.

We use the job queue to run updates for this table, when the cache expires (30 minutes TTL). If your wiki is configured to run jobs on each request, this will make about one request every 30 minutes reeeeeeally slow, but the rest will be relatively fast. If you configure your wiki to run jobs via cron, things will work much better.

関連項目[edit]