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plugins/blocks/languageToggle/LanguageToggleBlockPlugin.php

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+<?php
+
+/**
+ * @file plugins/blocks/languageToggle/LanguageToggleBlockPlugin.php
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2003-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class LanguageToggleBlockPlugin
+ *
+ * @brief Class for language selector block plugin
+ */
+
+namespace APP\plugins\blocks\languageToggle;
+
+use APP\core\Application;
+use PKP\facades\Locale;
+use PKP\i18n\LocaleMetadata;
+use PKP\plugins\BlockPlugin;
+use PKP\session\SessionManager;
+
+class LanguageToggleBlockPlugin extends BlockPlugin
+{
+    /**
+     * Install default settings on system install.
+     *
+     * @return string
+     */
+    public function getInstallSitePluginSettingsFile()
+    {
+        return $this->getPluginPath() . '/settings.xml';
+    }
+
+    /**
+     * Install default settings on journal creation.
+     *
+     * @return string
+     */
+    public function getContextSpecificPluginSettingsFile()
+    {
+        return $this->getPluginPath() . '/settings.xml';
+    }
+
+    /**
+     * Get the display name of this plugin.
+     *
+     * @return string
+     */
+    public function getDisplayName()
+    {
+        return __('plugins.block.languageToggle.displayName');
+    }
+
+    /**
+     * Get a description of the plugin.
+     */
+    public function getDescription()
+    {
+        return __('plugins.block.languageToggle.description');
+    }
+
+    /**
+     * Get the HTML contents for this block.
+     *
+     * @param \APP\template\TemplateManager $templateMgr
+     * @param \APP\core\Request $request
+     */
+    public function getContents($templateMgr, $request = null)
+    {
+        $templateMgr->assign('isPostRequest', $request->isPost());
+
+        if (!SessionManager::isDisabled()) {
+            $request ??= Application::get()->getRequest();
+            $context = $request->getContext();
+            $locales = Locale::getFormattedDisplayNames(
+                isset($context)
+                    ? $context->getSupportedLocales()
+                    : $request->getSite()->getSupportedLocales(),
+                Locale::getLocales(),
+                LocaleMetadata::LANGUAGE_LOCALE_ONLY
+            );
+        } else {
+            $locales = Locale::getFormattedDisplayNames(null, null, LocaleMetadata::LANGUAGE_LOCALE_ONLY);
+            $templateMgr->assign('languageToggleNoUser', true);
+        }
+
+        if (!empty($locales)) {
+            $templateMgr->assign('enableLanguageToggle', true);
+            $templateMgr->assign('languageToggleLocales', $locales);
+        }
+
+        return parent::getContents($templateMgr, $request);
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\APP\plugins\blocks\languageToggle\LanguageToggleBlockPlugin', '\LanguageToggleBlockPlugin');
+}