feat: dark mode (#43)

web/app/controllers/problem_data_configure.php

@@ -35,7 +35,7 @@ foreach ($problem_configure->problem_conf->conf as $key => $val) {
 			<div class="card-header fw-bold">problem.conf 预览</div>
 
 			<div class="card-body p-0" id="problem-conf-preview">
-				<pre class="bg-light mb-0 p-3"><code><?= $problem_conf_str ?></code></pre>
+				<pre class="bg-body-tertiary mb-0 p-3"><code><?= $problem_conf_str ?></code></pre>
 			</div>
 
 			<div class="card-footer bg-transparent small text-muted">

web/app/controllers/problem_data_manage.php

@@ -50,7 +50,7 @@ function echoFilePre($file_name) {
 
 	echo '<h5 class="mb-1">', htmlspecialchars($file_name), '</h5>';
 	echo '<div class="text-muted small mb-1 font-monospace">', $mimetype, '</div>';
-	echo '<pre class="bg-light rounded uoj-pre">', "\n";
+	echo '<pre class="bg-body-tertiary rounded uoj-pre">', "\n";
 
 	$output_limit = 1000;
 	if (strStartWith($mimetype, 'text/')) {
@@ -124,7 +124,7 @@ $info_form->appendHTML(<<<EOD
 <div class="form-group row">
 	<label class="col-sm-3 control-label">提交文件配置</label>
 	<div class="col-sm-9">
-		<pre class="uoj-pre bg-light rounded">
+		<pre class="uoj-pre bg-body-tertiary rounded">
 $esc_submission_requirement
 </pre>
 	</div>
@@ -135,7 +135,7 @@ $info_form->appendHTML(<<<EOD
 <div class="form-group row">
 	<label class="col-sm-3 control-label">其它配置</label>
 	<div class="col-sm-9">
-		<pre class="uoj-pre bg-light rounded">
+		<pre class="uoj-pre bg-body-tertiary rounded">
 $esc_extra_config
 </pre>
 	</div>

web/app/controllers/problem_set.php

@@ -77,7 +77,7 @@ EOD;
 		die();
 	};
 	$new_problem_form->config['submit_container']['class'] = '';
-	$new_problem_form->config['submit_button']['class'] = 'bg-transparent border-0 d-block w-100 px-3 py-2 text-start';
+	$new_problem_form->config['submit_button']['class'] = 'bg-transparent text-body border-0 d-block w-100 px-3 py-2 text-start';
 	$new_problem_form->config['submit_button']['text'] = '<i class="bi bi-plus-lg"></i> 新建本地题目';
 	$new_problem_form->config['confirm']['text'] = '你真的要添加新题吗？';
 	$new_problem_form->runAtServer();

web/app/controllers/subdomain/blog/blog.php

@@ -174,7 +174,7 @@ if (UOJUserBlog::userHasManagePermission(Auth::user())) {
 	]);
 	$hide_form->addInput('comment_hide_reason', [
 		'div_class' => 'mt-3',
-		'label' => '自定义隐藏理由',
+		'label' => '自定义隐藏理由（当上方隐藏理由为自定义时有效）',
 		'default_value' => '该评论由于违反社区规定，已被管理员隐藏',
 		'validator_php' => 'validateString',
 	]);
@@ -327,9 +327,10 @@ $comments_pag = new Paginator([
 
 <script>
 	$('.uoj-blog-hide-comment-btn').each(function() {
-		$(this).click(function() {
+		$(this).click(function(event) {
 			var comment_id = $(this).data('comment-id');
-
+			
+			event.preventDefault();
 			toggleModalHideComment(comment_id, $('#comment-content-' + comment_id).html());
 		});
 	})

web/app/controllers/user_info_edit.php

@@ -299,7 +299,7 @@ if ($cur_tab == 'profile') {
 		$update_profile_form->appendHTML(<<<EOD
 			<div class="mb-3">
 				<label for="input-username_color" class="form-label">用户名颜色</label>
-				<input type="text" class="form-control" id="input-username_color" aria-describedby="help-username_color" value="棕色 - #996600" disabled>
+				<input type="text" class="form-control" id="input-username_color" aria-describedby="help-username_color" value="棕色" disabled>
 				<div id="help-username_color" class="form-text">被封禁的用户无法修改用户名颜色。</div>
 			</div>
 		EOD);
@@ -307,29 +307,22 @@ if ($cur_tab == 'profile') {
 		$update_profile_form->appendHTML(<<<EOD
 			<div class="mb-3">
 				<label for="input-username_color" class="form-label">用户名颜色</label>
-				<input type="text" class="form-control" id="input-username_color" aria-describedby="help-username_color" value="灰色 - #707070" disabled>
+				<input type="text" class="form-control" id="input-username_color" aria-describedby="help-username_color" value="灰色" disabled>
 				<div id="help-username_color" class="form-text">临时用户无法修改用户名颜色。</div>
 			</div>
 		EOD);
 	} else {
-		$additional_colors = [];
+		$username_colors = UOJUser::USERNAME_COLORS['user'];
 
 		if (isSuperUser($user)) {
-			$additional_colors['#9d3dcf'] = '紫色 - #9d3dcf';
+			$username_colors += UOJUser::USERNAME_COLORS['admin'];
 		}
 
 		$update_profile_form->addSelect('username_color', [
 			'div_class' => 'mb-3',
 			'label' => '用户名颜色',
 			'default_value' => $extra['username_color'],
-			'options' => $additional_colors + [
-				'#0d6efd' => '蓝色 - #0d6efd',
-				'#2da44e' => '绿色 - #2da44e',
-				'#e85aad' => '粉色 - #e85aad',
-				'#f32a38' => '红色 - #f32a38',
-				'#f57c00' => '橙色 - #f57c00',
-				'#00acc1' => '青色 - #00acc1',
-			],
+			'options' => $username_colors,
 		]);
 	}
 	$update_profile_form->handle = function (&$vdata) use ($user, $extra) {

web/app/libs/uoj-html-lib.php

@@ -355,7 +355,7 @@ function echoSubmissionContent($submission, $requirement) {
 			echo '<h4 class="card-title">' . $req['name'] . '</h4>';
 			echo '</div>';
 			echo '<div class="card-body">';
-			echo '<pre><code class="' . $sh_class . ' bg-light rounded p-3">' . $file_content . "\n" . '</code></pre>';
+			echo '<pre><code class="' . $sh_class . ' bg-body-tertiary rounded p-3">' . $file_content . "\n" . '</code></pre>';
 			echo '</div>';
 			echo '<div class="card-footer">' . $footer_text . '</div>';
 			echo '</div>';
@@ -369,7 +369,7 @@ function echoSubmissionContent($submission, $requirement) {
 			echo '<h4 class="card-title">' . $req['file_name'] . '</h4>';
 			echo '</div>';
 			echo '<div class="card-body">';
-			echo '<pre class="bg-light rounded p-3 ">', "\n" . $file_content . "\n" . '</pre>';
+			echo '<pre class="bg-body-tertiary rounded p-3 ">', "\n" . $file_content . "\n" . '</pre>';
 			echo '</div>';
 			echo '<div class="card-footer">' . $footer_text . '</div>';
 			echo '</div>';
@@ -406,7 +406,7 @@ class JudgmentDetailsPrinter {
 	}
 	private function _print(DOMElement $node) {
 		if ($node->nodeName == 'error') {
-			echo '<pre class="bg-light rounded p-3">', "\n";
+			echo '<pre class="bg-body-tertiary rounded p-3">', "\n";
 			$this->_print_c($node);
 			echo "\n</pre>";
 		} elseif ($node->nodeName == 'remote-result-container') {
@@ -432,7 +432,7 @@ class JudgmentDetailsPrinter {
 			$language = $node->getAttribute("language");
 			echo '<div class="border-bottom p-3 copy-button-container">';
 			echo '<div class="fw-bold mb-2">源代码</div>';
-			echo '<pre class="mb-0"><code class="language-', $language, ' bg-light rounded p-3">';
+			echo '<pre class="mb-0"><code class="language-', $language, ' bg-body-tertiary rounded p-3">';
 			$this->_print_c($node);
 			echo "</code></pre>";
 			echo '</div>';
@@ -662,22 +662,22 @@ class JudgmentDetailsPrinter {
 			}
 		} elseif ($node->nodeName == 'in') {
 			echo '<h4 class="fs-6 fw-bold">输入文件</h4>';
-			echo '<pre class="bg-light p-3 rounded">', "\n";
+			echo '<pre class="bg-body-tertiary p-3 rounded">', "\n";
 			$this->_print_c($node);
 			echo "\n</pre>";
 		} elseif ($node->nodeName == 'out') {
 			echo '<h4 class="fs-6 fw-bold">程序输出</h4>';
-			echo '<pre class="bg-light p-3 rounded">', "\n";
+			echo '<pre class="bg-body-tertiary p-3 rounded">', "\n";
 			$this->_print_c($node);
 			echo "\n</pre>";
 		} elseif ($node->nodeName == 'ans') {
 			echo '<h4 class="fs-6 fw-bold">答案文件</h4>';
-			echo '<pre class="bg-light p-3 rounded">', "\n";
+			echo '<pre class="bg-body-tertiary p-3 rounded">', "\n";
 			$this->_print_c($node);
 			echo "\n</pre>";
 		} elseif ($node->nodeName == 'res') {
 			echo '<h4 class="fs-6 fw-bold"><span>检查器信息</span></h4>';
-			echo '<pre class="bg-light p-3 rounded">', "\n";
+			echo '<pre class="bg-body-tertiary p-3 rounded">', "\n";
 			if ($node->hasChildNodes()) {
 				$this->_print_c($node);
 			} else {
@@ -698,7 +698,7 @@ class JudgmentDetailsPrinter {
 				}
 				echo '<h4 class="mb-2">', $node->getAttribute("title"), ":</h4>";
 			}
-			echo '<pre class="bg-light p-3 rounded">', "\n";
+			echo '<pre class="bg-body-tertiary p-3 rounded">', "\n";
 			$this->_print_c($node);
 			echo "\n</pre>";
 			echo '</div>';

web/app/models/HTML.php

@@ -1,4 +1,29 @@
 <?php
+class CustomClassDef extends HTMLPurifier_AttrDef {
+	private $classes, $prefixes;
+
+	public function __construct($classes, $prefixes) {
+		$this->classes = $classes;
+		$this->prefixes = is_array($prefixes) ? join('|', $prefixes) : $prefixes;
+	}
+
+	public function validate($string, $config, $context) {
+		$classes = preg_split('/\s+/', $string);
+		$valid_classes = [];
+
+		foreach ($classes as $class) {
+			if (
+				in_array($class, $this->classes) ||
+				preg_match("/^({$this->prefixes})/i", $class)
+			) {
+
+				$valid_classes[] = $class;
+			}
+		}
+
+		return join(' ', $valid_classes);
+	}
+}
 
 class HTML {
 	public static function escape(?string $str, $cfg = []) {
@@ -454,7 +479,7 @@ class HTML {
 				'data-src' => 'URI',
 			],
 			'span' => [
-				'class' => 'Enum#uoj-username',
+				'class' => new CustomClassDef(['uoj-username'], ['uoj-username-']),
 				'data-realname' => 'Text',
 				'data-color' => 'Color',
 			],
@@ -485,7 +510,7 @@ class HTML {
 			'del' => [],
 			'br' => [],
 			'span' => [
-				'class' => 'Enum#uoj-username',
+				'class' => new CustomClassDef(['uoj-username'], ['uoj-username-']),
 				'data-realname' => 'Text',
 				'data-color' => 'Color',
 			],

web/app/models/UOJProblemDataDisplayer.php

@@ -73,7 +73,7 @@ class UOJProblemDataDisplayer {
 
 		echo '<h5 class="mb-1">', HTML::escape($file_name), '</h5>';
 		echo '<div class="text-muted small mb-1 font-monospace">', $mimetype, '</div>';
-		echo '<pre class="bg-light rounded uoj-pre">', "\n";
+		echo '<pre class="bg-body-tertiary rounded uoj-pre">', "\n";
 		$type = $mimetype == 'binary' ? 'binary' : 'text';
 		echo HTML::escape(uojStringPreview($content, $max_len, $type));
 		echo "\n</pre>";

web/app/models/UOJSubmissionLikeTrait.php

@@ -218,7 +218,7 @@ trait UOJSubmissionLikeTrait {
 							{$req['name']}
 						</div>
 						<div class="{$card_body_class} copy-button-container">
-							<pre class="mb-0"><code class="$sh_class bg-light rounded p-3">{$file_content}\n</code></pre>
+							<pre class="mb-0"><code class="$sh_class bg-body-tertiary rounded p-3">{$file_content}\n</code></pre>
 						</div>
 						<div class="{$card_footer_class}">$footer_text</div>
 					</div>
@@ -238,7 +238,7 @@ trait UOJSubmissionLikeTrait {
 							{$req['file_name']}
 						</div>
 						<div class="{$card_body_class}">
-							<pre class="mb-0 bg-light rounded p-3">\n{$file_content}\n</pre>
+							<pre class="mb-0 bg-body-tertiary rounded p-3">\n{$file_content}\n</pre>
 						</div>
 						<div class="{$card_footer_class}">{$footer_text}</div>
 					</div>

web/app/models/UOJUser.php

@@ -11,6 +11,21 @@ class UOJUser {
 	const MAX_UA_LEN = 300;
 	const MAX_HISTORY_LEN = 20;
 
+	// Don't forget to change values in `models/HTML.php` and `css/uoj-bs5.css`
+	const USERNAME_COLORS = [
+		'user' => [
+			'blue' => 'Blue',
+			'green' => 'Green',
+			'pink' => 'Pink',
+			'red' => 'Red',
+			'orange' => 'Orange',
+			'cyan' => 'Cyan',
+		],
+		'admin' => [
+			'purple' => 'Purple',
+		],
+	];
+
 	public static $visibility_codes = [
 		'all' => [
 			'html' => '',
@@ -277,23 +292,23 @@ class UOJUser {
 
 	public static function getUserColor2($usergroup, $custom_color = null) {
 		if ($usergroup == 'B') {
-			return '#996600';
+			return 'brown';
 		}
 
 		if ($usergroup == 'T') {
-			return '#707070';
+			return 'gray';
 		}
 
 		if ($usergroup == 'S') {
-			return $custom_color ?: '#9d3dcf';
+			return $custom_color ?: 'purple';
 		}
 
 		// 前管理员设置颜色为紫色的，颜色改为蓝色
-		if ($custom_color == '#9d3dcf') {
-			return '#0d6efd';
+		if ($custom_color == 'purple') {
+			return 'blue';
 		}
 
-		return $custom_color ?: '#0d6efd';
+		return $custom_color ?: 'blue';
 	}
 
 	public static function getLink($user, $cfg = []) {
@@ -318,10 +333,12 @@ class UOJUser {
 			$realname = '';
 		}
 
+		$color = $cfg['color'] ? UOJUser::getUserColor($user) : '';
+
 		return HTML::tag('span', [
-			'class' => 'uoj-username',
-			'data-color' => $cfg['color'] ? UOJUser::getUserColor($user) : '',
+			'class' => "uoj-username uoj-username-{$color}",
 			'data-realname' => trim(HTML::escape($realname)),
+			'data-color' => $color,
 		], $user['username']);
 	}
 

web/app/upgrade/43_dark_mode/upgrade.php

@@ -0,0 +1,60 @@
+<?php
+
+return function ($type) {
+	if ($type == 'up') {
+		DB::init();
+
+		function getColorName($color) {
+			switch ($color) {
+				case '#0d6efd':
+				case 'blue':
+					return 'blue';
+				case '#2da44e':
+				case 'green':
+					return 'green';
+				case '#e85aad':
+				case 'pink':
+					return 'pink';
+				case '#f32a38':
+				case 'red':
+					return 'red';
+				case '#f57c00':
+				case 'orange':
+					return 'orange';
+				case '#00acc1':
+				case 'cyan':
+					return 'cyan';
+				case '#9d3dcf':
+				case 'purple':
+					return 'purple';
+				case '#707070':
+				case 'gray':
+					return 'gray';
+				case '#996600':
+				case 'brown':
+					return 'brown';
+				default:
+					return 'blue';
+			}
+		}
+
+		$users = DB::selectAll("select * from user_info");
+
+		foreach ($users as $user) {
+			$extra = UOJUser::getExtra($user);
+			$original_color = $extra['username_color'];
+			$new_color = getColorName($original_color);
+			$extra['username_color'] = $new_color;
+			DB::update([
+				"update user_info",
+				"set", [
+					"extra" => json_encode($extra)
+				],
+				"where", [
+					"username" => $user['username']
+				],
+			]);
+			echo "{$user['username']}: {$original_color} -> {$new_color}\n";
+		}
+	}
+};

web/app/views/blog-nav.php

@@ -1,4 +1,4 @@
-<div class="navbar navbar-light navbar-expand-md bg-white shadow-sm mb-4" role="navigation">
+<div class="navbar navbar-light navbar-expand-md bg-body shadow-sm mb-4" role="navigation">
 
 	<div class="container">
 
@@ -41,98 +41,11 @@
 
 			<hr class="d-md-none text-muted">
 
-			<ul class="nav navbar-nav ms-md-auto">
-				<li class="nav-item dropdown">
-					<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-						<i class="bi bi-translate"></i>
-						<?= UOJLocale::get('_common_name') ?>
-					</a>
-					<ul class="dropdown-menu">
-						<li>
-							<a class="dropdown-item" href="<?= HTML::url(UOJContext::requestURI(), array('params' => array('locale' => 'zh-cn'))) ?>">
-								中文
-							</a>
-						</li>
-						<li>
-							<a class="dropdown-item" href="<?= HTML::url(UOJContext::requestURI(), array('params' => array('locale' => 'en'))) ?>">
-								English
-							</a>
-						</li>
-					</ul>
-				</li>
-				<?php if (Auth::check()) : ?>
-					<li class="nav-item dropdown">
-						<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-							<i class="bi bi-person-fill"></i>
-							<span class="position-relative">
-								<?= Auth::id() ?>
-								<?php if ($new_msg_tot) : ?>
-									<span class="badge bg-danger rounded-pill">
-										<?= $new_msg_tot > 99 ? "99+" : $new_msg_tot ?>
-									</span>
-								<?php endif ?>
-							</span>
-						</a>
-						<ul class="dropdown-menu">
-							<li>
-								<a class="dropdown-item" href="<?= HTML::url('/user/' . Auth::id()) ?>">
-									<?= UOJLocale::get('my profile') ?>
-								</a>
-							</li>
-							<li>
-								<a class="dropdown-item" href="<?= HTML::url('/user_msg') ?>">
-									<?= UOJLocale::get('private message') ?>
-									<?php if ($new_user_msg_num) : ?>
-										<span class="badge bg-danger rounded-pill">
-											<?= $new_user_msg_num > 99 ? "99+" : $new_user_msg_num ?>
-										</span>
-									<?php endif ?>
-								</a>
-							</li>
-							<li>
-								<a class="dropdown-item" href="<?= HTML::url('/user/' . Auth::id() . '/system_msg') ?>">
-									<?= UOJLocale::get('system message') ?>
-									<?php if ($new_system_msg_num) : ?>
-										<span class="badge bg-danger rounded-pill">
-											<?= $new_system_msg_num > 99 ? "99+" : $new_system_msg_num ?>
-										</span>
-									<?php endif ?>
-								</a>
-							</li>
-							<?php if (isSuperUser(Auth::user())) : ?>
-								<li>
-									<a class="dropdown-item" href="<?= HTML::url('/super_manage') ?>">
-										<?= UOJLocale::get('system manage') ?>
-									</a>
-								</li>
-							<?php endif ?>
-							<li>
-								<hr class="dropdown-divider">
-							</li>
-							<li>
-								<a class="dropdown-item" href="<?= HTML::url('/logout?_token=' . crsf_token()) ?>">
-									<?= UOJLocale::get('logout') ?>
-								</a>
-							</li>
-						</ul>
-					</li>
-				<?php else : ?>
-					<li class="nav-item">
-						<a class="nav-link" href="<?= HTML::url('/login') ?>">
-							<i class="bi bi-box-arrow-in-right"></i>
-							<?= UOJLocale::get('login') ?>
-						</a>
-					</li>
-					<?php if (UOJConfig::$data['switch']['open-register'] || !DB::selectCount("SELECT COUNT(*) FROM user_info")) : ?>
-						<li class="nav-item">
-							<a class="nav-link" href="<?= HTML::url('/register') ?>">
-								<i class="bi bi-person-plus-fill"></i>
-								<?= UOJLocale::get('register') ?>
-							</a>
-						</li>
-					<?php endif ?>
-				<?php endif ?>
-			</ul>
+			<?php uojIncludeView('nav-right', [
+				'new_msg_tot' => $new_msg_tot,
+				'new_user_msg_num' => $new_user_msg_num,
+				'new_system_msg_num' => $new_system_msg_num,
+			]) ?>
 		</div>
 	</div>
 </div>

web/app/views/main-nav.php

@@ -4,7 +4,7 @@ $new_system_msg_num = DB::selectCount("select count(*) from user_system_msg wher
 $new_msg_tot = $new_user_msg_num + $new_system_msg_num;
 ?>
 
-<div class="navbar navbar-light navbar-expand-md bg-white shadow-sm
+<div class="navbar navbar-light navbar-expand-md bg-body shadow-sm
 <?php if (!isset($disable_navbar_margin_bottom)) : ?>
 mb-4
 <?php endif ?>
@@ -99,98 +99,11 @@ mb-4
 
 			<hr class="d-md-none text-muted">
 
-			<ul class="nav navbar-nav ms-md-auto">
-				<li class="nav-item dropdown">
-					<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-						<i class="bi bi-translate"></i>
-						<?= UOJLocale::get('_common_name') ?>
-					</a>
-					<ul class="dropdown-menu">
-						<li>
-							<a class="dropdown-item" href="<?= HTML::url(UOJContext::requestURI(), array('params' => array('locale' => 'zh-cn'))) ?>">
-								中文
-							</a>
-						</li>
-						<li>
-							<a class="dropdown-item" href="<?= HTML::url(UOJContext::requestURI(), array('params' => array('locale' => 'en'))) ?>">
-								English
-							</a>
-						</li>
-					</ul>
-				</li>
-				<?php if (Auth::check()) : ?>
-					<li class="nav-item dropdown">
-						<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-							<i class="bi bi-person-fill"></i>
-							<span class="position-relative">
-								<?= Auth::id() ?>
-								<?php if ($new_msg_tot) : ?>
-									<span class="badge bg-danger rounded-pill">
-										<?= $new_msg_tot > 99 ? "99+" : $new_msg_tot ?>
-									</span>
-								<?php endif ?>
-							</span>
-						</a>
-						<ul class="dropdown-menu">
-							<li>
-								<a class="dropdown-item" href="<?= HTML::url('/user/' . Auth::id()) ?>">
-									<?= UOJLocale::get('my profile') ?>
-								</a>
-							</li>
-							<li>
-								<a class="dropdown-item" href="<?= HTML::url('/user_msg') ?>">
-									<?= UOJLocale::get('private message') ?>
-									<?php if ($new_user_msg_num) : ?>
-										<span class="badge bg-danger rounded-pill">
-											<?= $new_user_msg_num > 99 ? "99+" : $new_user_msg_num ?>
-										</span>
-									<?php endif ?>
-								</a>
-							</li>
-							<li>
-								<a class="dropdown-item" href="<?= HTML::url('/user/' . Auth::id() . '/system_msg') ?>">
-									<?= UOJLocale::get('system message') ?>
-									<?php if ($new_system_msg_num) : ?>
-										<span class="badge bg-danger rounded-pill">
-											<?= $new_system_msg_num > 99 ? "99+" : $new_system_msg_num ?>
-										</span>
-									<?php endif ?>
-								</a>
-							</li>
-							<?php if (isSuperUser(Auth::user())) : ?>
-								<li>
-									<a class="dropdown-item" href="<?= HTML::url('/super_manage') ?>">
-										<?= UOJLocale::get('system manage') ?>
-									</a>
-								</li>
-							<?php endif ?>
-							<li>
-								<hr class="dropdown-divider">
-							</li>
-							<li>
-								<a class="dropdown-item" href="<?= HTML::url('/logout?_token=' . crsf_token()) ?>">
-									<?= UOJLocale::get('logout') ?>
-								</a>
-							</li>
-						</ul>
-					</li>
-				<?php else : ?>
-					<li class="nav-item">
-						<a class="nav-link" href="<?= HTML::url('/login') ?>">
-							<i class="bi bi-box-arrow-in-right"></i>
-							<?= UOJLocale::get('login') ?>
-						</a>
-					</li>
-					<?php if (UOJConfig::$data['switch']['open-register'] || !DB::selectCount("SELECT COUNT(*) FROM user_info")) : ?>
-						<li class="nav-item">
-							<a class="nav-link" href="<?= HTML::url('/register') ?>">
-								<i class="bi bi-person-plus-fill"></i>
-								<?= UOJLocale::get('register') ?>
-							</a>
-						</li>
-					<?php endif ?>
-				<?php endif ?>
-			</ul>
+			<?php uojIncludeView('nav-right', [
+				'new_msg_tot' => $new_msg_tot,
+				'new_user_msg_num' => $new_user_msg_num,
+				'new_system_msg_num' => $new_system_msg_num,
+			]) ?>
 		</div>
 
 	</div>

web/app/views/nav-right.php

@@ -0,0 +1,118 @@
+<ul class="nav navbar-nav ms-md-auto">
+	<li class="nav-item dropdown">
+		<button class="btn btn-link nav-link py-2 px-0 px-lg-2 dropdown-toggle d-flex align-items-center" id="bd-theme" type="button" aria-expanded="false" data-bs-toggle="dropdown" data-bs-display="static">
+			<i class="bi bi-circle-half theme-icon-active" data-icon="bi-circle-half"></i>
+			<span class="d-lg-none">&nbsp;切换主题</span>
+		</button>
+		<ul class="dropdown-menu dropdown-menu-end" aria-labelledby="bd-theme" style="--bs-dropdown-min-width: 6rem;">
+			<li>
+				<button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto">
+					<i class="bi bi-circle-half me-2 opacity-50 theme-icon" data-icon="bi-circle-half"></i>
+					系统
+				</button>
+			</li>
+			<li>
+				<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light">
+					<i class="bi bi-sun-fill me-2 opacity-50 theme-icon" data-icon="bi-sun-fill"></i>
+					亮色
+				</button>
+			</li>
+			<li>
+				<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark">
+					<i class="bi bi-moon-stars-fill me-2 opacity-50 theme-icon" data-icon="bi-moon-stars-fill"></i>
+					暗色
+				</button>
+			</li>
+		</ul>
+	</li>
+	<li class="nav-item dropdown">
+		<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+			<i class="bi bi-translate"></i>
+			<?= UOJLocale::get('_common_name') ?>
+		</a>
+		<ul class="dropdown-menu">
+			<li>
+				<a class="dropdown-item" href="<?= HTML::url(UOJContext::requestURI(), array('params' => array('locale' => 'zh-cn'))) ?>">
+					中文
+				</a>
+			</li>
+			<li>
+				<a class="dropdown-item" href="<?= HTML::url(UOJContext::requestURI(), array('params' => array('locale' => 'en'))) ?>">
+					English
+				</a>
+			</li>
+		</ul>
+	</li>
+	<?php if (Auth::check()) : ?>
+		<li class="nav-item dropdown">
+			<a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+				<i class="bi bi-person-fill"></i>
+				<span class="position-relative">
+					<?= Auth::id() ?>
+					<?php if ($new_msg_tot) : ?>
+						<span class="badge bg-danger rounded-pill">
+							<?= $new_msg_tot > 99 ? "99+" : $new_msg_tot ?>
+						</span>
+					<?php endif ?>
+				</span>
+			</a>
+			<ul class="dropdown-menu">
+				<li>
+					<a class="dropdown-item" href="<?= HTML::url('/user/' . Auth::id()) ?>">
+						<?= UOJLocale::get('my profile') ?>
+					</a>
+				</li>
+				<li>
+					<a class="dropdown-item" href="<?= HTML::url('/user_msg') ?>">
+						<?= UOJLocale::get('private message') ?>
+						<?php if ($new_user_msg_num) : ?>
+							<span class="badge bg-danger rounded-pill">
+								<?= $new_user_msg_num > 99 ? "99+" : $new_user_msg_num ?>
+							</span>
+						<?php endif ?>
+					</a>
+				</li>
+				<li>
+					<a class="dropdown-item" href="<?= HTML::url('/user/' . Auth::id() . '/system_msg') ?>">
+						<?= UOJLocale::get('system message') ?>
+						<?php if ($new_system_msg_num) : ?>
+							<span class="badge bg-danger rounded-pill">
+								<?= $new_system_msg_num > 99 ? "99+" : $new_system_msg_num ?>
+							</span>
+						<?php endif ?>
+					</a>
+				</li>
+				<?php if (isSuperUser(Auth::user())) : ?>
+					<li>
+						<a class="dropdown-item" href="<?= HTML::url('/super_manage') ?>">
+							<?= UOJLocale::get('system manage') ?>
+						</a>
+					</li>
+				<?php endif ?>
+				<li>
+					<hr class="dropdown-divider">
+				</li>
+				<li>
+					<a class="dropdown-item" href="<?= HTML::url('/logout?_token=' . crsf_token()) ?>">
+						<?= UOJLocale::get('logout') ?>
+					</a>
+				</li>
+			</ul>
+		</li>
+	<?php else : ?>
+		<li class="nav-item">
+			<a class="nav-link" href="<?= HTML::url('/login') ?>">
+				<i class="bi bi-box-arrow-in-right"></i>
+				<?= UOJLocale::get('login') ?>
+			</a>
+		</li>
+		<?php if (UOJConfig::$data['switch']['open-register'] || !DB::selectCount("SELECT COUNT(*) FROM user_info")) : ?>
+			<li class="nav-item">
+				<a class="nav-link" href="<?= HTML::url('/register') ?>">
+					<i class="bi bi-person-plus-fill"></i>
+					<?= UOJLocale::get('register') ?>
+				</a>
+			</li>
+		<?php endif ?>
+	<?php endif ?>
+</ul>

web/app/views/page-footer.php

@@ -11,7 +11,7 @@ if (!isset($ShowPageFooter)) {
 		</script>
 	<?php endif ?>
 
-	<footer class="bg-white text-muted pt-3 pb-4 mt-4" style="font-size: 0.9em">
+	<footer class="bg-body text-muted pt-3 pb-4 mt-4" style="font-size: 0.9em">
 		<div class="container d-lg-flex justify-content-lg-between">
 			<div>
 				<div>

web/app/views/page-header.php

@@ -188,7 +188,7 @@ if (!isset($PageContainerClass)) {
 	<?php endif ?>
 
 	<?php if (isset($REQUIRE_LIB['hljs'])) : ?>
-		<?= HTML::css_link('/css/highlightjs.github.min.css?v=11.6.0-20221005') ?>
+		<?= HTML::css_link('/css/highlightjs.github.min.css?v=11.6.0-20230223') ?>
 		<?= HTML::js_src('/js/highlightjs.min.js?v=11.6.0-20221005') ?>
 		<script>
 			$(document).ready(function() {
@@ -242,7 +242,7 @@ if (!isset($PageContainerClass)) {
 
 <body class="d-flex flex-column min-vh-100
 	<?php if ($ShowPageHeader) : ?>
-		bg-light
+		bg-body-tertiary
 	<?php endif ?>">
 	<?php if ($ShowPageHeader) : ?>
 		<?php uojIncludeView($PageNav, array('REQUIRE_LIB' => $REQUIRE_LIB)) ?>

web/css/highlightjs.github.min.css

@@ -1 +1,141 @@
-pre code.hljs{display:block;overflow-x:auto}code.hljs{padding:3px 5px}.hljs{color:#24292e;background:rgba(var(--bs-light-rgb))}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id,.hljs-variable{color:#005cc5}.hljs-meta .hljs-string,.hljs-regexp,.hljs-string{color:#032f62}.hljs-built_in,.hljs-symbol{color:#e36209}.hljs-code,.hljs-comment,.hljs-formula{color:#6a737d}.hljs-name,.hljs-quote,.hljs-selector-pseudo,.hljs-selector-tag{color:#22863a}.hljs-subst{color:#24292e}.hljs-section{color:#005cc5;font-weight:700}.hljs-bullet{color:#735c0f}.hljs-emphasis{color:#24292e;font-style:italic}.hljs-strong{color:#24292e;font-weight:700}.hljs-addition{color:#22863a;background-color:#f0fff4}.hljs-deletion{color:#b31d28;background-color:#ffeef0}
+:root,
+[data-bs-theme='light'] {
+	--hljs-color: #24292e;
+	--hljs-keyword: #d73a49;
+	--hljs-title: #6f42c1;
+	--hljs-attr: #005cc5;
+	--hljs-string: #032f62;
+	--hljs-symbol: #e36209;
+	--hljs-comment: #6a737d;
+	--hljs-quote: #22863a;
+	--hljs-subst: #24292e;
+	--hljs-selection: #005cc5;
+	--hljs-bullet: #735c0f;
+	--hljs-emphasis: #24292e;
+	--hljs-strong: #24292e;
+	--hljs-addition: #22863a;
+	--hljs-addition-bg: #f0fff4;
+	--hljs-deletion: #b31d28;
+	--hljs-deletion-bg: #ffeef0;
+}
+
+[data-bs-theme='dark'] {
+	--hljs-color: #c9d1d9;
+	--hljs-keyword: #ff7b72;
+	--hljs-title: #d2a8ff;
+	--hljs-attr: #79c0ff;
+	--hljs-string: #a5d6ff;
+	--hljs-symbol: #ffa657;
+	--hljs-comment: #8b949e;
+	--hljs-quote: #7ee787;
+	--hljs-subst: #c9d1d9;
+	--hljs-selection: #1f6feb;
+	--hljs-bullet: #f2cc60;
+	--hljs-emphasis: #c9d1d9;
+	--hljs-strong: #c9d1d9;
+	--hljs-addition: #aff5b4;
+	--hljs-addition-bg: #033a16;
+	--hljs-deletion: #ffdcd7;
+	--hljs-deletion-bg: #67060c;
+}
+
+pre code.hljs {
+	display: block;
+	overflow-x: auto;
+}
+
+code.hljs {
+	padding: 3px 5px;
+}
+
+.hljs {
+	color: var(--hljs-color);
+	background: var(--bs-tertiary-bg);
+}
+
+.hljs-doctag,
+.hljs-keyword,
+.hljs-meta .hljs-keyword,
+.hljs-template-tag,
+.hljs-template-variable,
+.hljs-type,
+.hljs-variable.language_ {
+	color: var(--hljs-keyword);
+}
+
+.hljs-title,
+.hljs-title.class_,
+.hljs-title.class_.inherited__,
+.hljs-title.function_ {
+	color: var(--hljs-title);
+}
+
+.hljs-attr,
+.hljs-attribute,
+.hljs-literal,
+.hljs-meta,
+.hljs-number,
+.hljs-operator,
+.hljs-selector-attr,
+.hljs-selector-class,
+.hljs-selector-id,
+.hljs-variable {
+	color: var(--hljs-attr);
+}
+
+.hljs-meta .hljs-string,
+.hljs-regexp,
+.hljs-string {
+	color: var(--hljs-string);
+}
+
+.hljs-built_in,
+.hljs-symbol {
+	color: var(--hljs-symbol);
+}
+
+.hljs-code,
+.hljs-comment,
+.hljs-formula {
+	color: var(--hljs-comment);
+}
+
+.hljs-name,
+.hljs-quote,
+.hljs-selector-pseudo,
+.hljs-selector-tag {
+	color: var(--hljs-quote);
+}
+
+.hljs-subst {
+	color: var(--hljs-subst);
+}
+
+.hljs-section {
+	color: var(--hljs-selection);
+	font-weight: 700;
+}
+
+.hljs-bullet {
+	color: var(--hljs-bullet);
+}
+
+.hljs-emphasis {
+	color: var(--hljs-emphasis);
+	font-style: italic;
+}
+
+.hljs-strong {
+	color: var(--hljs-strong);
+	font-weight: 700;
+}
+
+.hljs-addition {
+	color: var(--hljs-addition);
+	background-color: var(--hljs-addition-bg);
+}
+
+.hljs-deletion {
+	color: var(--hljs-deletion);
+	background-color: var(--hljs-deletion-bg);
+}

web/css/uoj-bs5.css

@@ -294,7 +294,7 @@ h6,
 
 .markdown-body pre {
 	padding: 1em;
-	background-color: rgba(var(--bs-light-rgb));
+	background-color: var(--bs-tertiary-bg);
 }
 
 .markdown-body table th[align='left'] {
@@ -541,3 +541,93 @@ form.form-horizontal {
 	grid-column: 2;
 	grid-row: 2;
 }
+
+/* Username color */
+
+.uoj-username,
+.uoj-username-blue {
+	color: #1e88e5;
+}
+
+.uoj-username-green {
+	color: #2da44e;
+}
+
+.uoj-username-pink {
+	color: #e85aad;
+}
+
+.uoj-username-red {
+	color: #f32a38;
+}
+
+.uoj-username-orange {
+	color: #f57c00;
+}
+
+.uoj-username-cyan {
+	color: #00acc1;
+}
+
+.uoj-username-purple {
+	color: #9d3dcf;
+}
+
+.uoj-username-gray {
+	color: #707070;
+}
+
+.uoj-username-brown {
+	color: #996600;
+}
+
+/* Dark: Username color */
+
+[data-bs-theme='dark'] .uoj-username,
+[data-bs-theme='dark'] .uoj-username-blue {
+	color: #218bff;
+}
+
+[data-bs-theme='green'] .uoj-username-green {
+	color: #19a140;
+}
+
+[data-bs-theme='dark'] .uoj-username-pink {
+	color: #bf3989;
+}
+
+[data-bs-theme='dark'] .uoj-username-red {
+	color: #cf222e;
+}
+
+[data-bs-theme='dark'] .uoj-username-orange {
+	color: #e16f24;
+}
+
+[data-bs-theme='dark'] .uoj-username-cyan {
+	color: #00acc1;
+}
+
+[data-bs-theme='dark'] .uoj-username-purple {
+	color: #9366e5;
+}
+
+[data-bs-theme='dark'] .uoj-username-gray {
+	color: #8c959f;
+}
+
+[data-bs-theme='dark'] .uoj-username-brown {
+	color: #996f1c;
+}
+
+/* Dark: Table Colors */
+
+[data-bs-theme='dark'] .table-success {
+	--bs-table-bg: #d1e7ddb9;
+	--bs-table-border-color: #bcd0c7b9;
+}
+
+[data-bs-theme='dark'] .table-warning {
+	--bs-table-bg: #fff3cdb9;
+	--bs-table-border-color: #e6dbb9b9;
+}

web/js/blog-editor/blog-editor.js

@@ -100,7 +100,6 @@ function blog_editor_init(name, editor_config) {
 					enabled: false,
 				},
 				wordWrap: 'on',
-				theme: 'vs',
 				unicodeHighlight: {
 					ambiguousCharacters: false,
 				},

web/js/uoj.js

@@ -123,7 +123,7 @@ function getUserLink(username, realname, color) {
 		return '';
 	}
 	var text = username;
-	var style = '';
+	var className = 'uoj-username';
 	if (username.charAt(0) == '@') {
 		username = username.substr(1);
 	}
@@ -131,16 +131,16 @@ function getUserLink(username, realname, color) {
 		text = text + ' <span class="uoj-realname d-inline-block">(' + realname + ')</span>';
 	}
 	if (color) {
-		style += 'color: ' + color + ';';
+		className += ' uoj-username-' + color;
 	}
-	return '<a class="uoj-username" href="' + uojHome + '/user/' + username + '" ' + 'style="' + style + '">' + text + '</a>';
+	return '<a class="' + className + '" href="' + uojHome + '/user/' + username + '">' + text + '</a>';
 }
 function getUserSpan(username, realname, color) {
 	if (!username) {
 		return '';
 	}
 	var text = username;
-	var style = '';
+	var className = 'uoj-username';
 	if (username.charAt(0) == '@') {
 		username = username.substr(1);
 	}
@@ -148,9 +148,9 @@ function getUserSpan(username, realname, color) {
 		text = text + ' <span class="uoj-realname d-inline-block">(' + realname + ')</span>';
 	}
 	if (color) {
-		style += 'color: ' + color + ';';
+		className += ' uoj-username-' + color;
 	}
-	return '<span class="uoj-username" ' + 'style="' + style + '">' + text + '</span>';
+	return '<span class="' + className + '">' + text + '</span>';
 }
 
 function replaceWithHighlightUsername() {
@@ -602,6 +602,8 @@ function require_monaco(config, callback) {
 		.script('/js/monaco-editor/min/vs/editor/editor.main.nls.zh-cn.js').wait()
 		.script('/js/monaco-editor/min/vs/editor/editor.main.js').wait(function() {
 			$LAB.script('/js/monaco-themes.js').wait(function() {
+				update_monaco_theme(getPreferredTheme());
+
 				if (config.markdown) {
 					$LAB.script('/js/blog-editor/monaco-markdown.js').wait(callback);
 				} else {
@@ -611,6 +613,16 @@ function require_monaco(config, callback) {
 		});
 }
 
+function update_monaco_theme(theme) {
+	if (!('monaco' in window)) return;
+
+	if (theme == 'dark') {
+		monaco.editor.setTheme('github-dark');
+	} else {
+		monaco.editor.setTheme('github');
+	}
+}
+
 function get_monaco_mode(lang) {
 	switch (lang) {
 		case 'C++':
@@ -1365,7 +1377,7 @@ $.fn.problem_conf_preview = function(problem_conf) {
 			res += key + ' ' + value + '\n';
 		}
 
-		$(this).html('<pre class="bg-light mb-0 p-3"><code>' + res + '</code></pre>');
+		$(this).html('<pre class="bg-body-tertiary mb-0 p-3"><code>' + res + '</code></pre>');
 	});
 }
 
@@ -1698,7 +1710,8 @@ function showCommentReplies(id, replies) {
 					).append(
 						user_can_hide_comment
 							? $('<li class="list-inline-item" />').append(
-								$('<a href="#" class="text-warning-emphasis text-decoration-none p-0" />').data('comment-id', reply.id).text('隐藏').click(function() {
+								$('<a href="#" class="text-warning-emphasis text-decoration-none p-0" />').data('comment-id', reply.id).text('隐藏').click(function(event) {
+									event.preventDefault();
 									toggleModalHideComment(reply.id, reply.content);
 								})
 							)
@@ -2118,8 +2131,75 @@ $(document).ready(function() {
 	});	
 });
 
+/**
+ * Fallback user avatar
+ */
 $(document).ready(function() {
 	$('img.uoj-user-avatar').on('error', function() {
+		// same as gravatar d=mm
 		$(this).attr('src', 'data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA4NzIgODcyIj48cGF0aCBmaWxsPSIjZmZmIiBkPSJNMCAwaDg3MnY4NzJIMHoiLz48cGF0aCBmaWxsPSIjYzVjNWM1IiBkPSJNMCAwdjg3MmgxMTBhMzI3IDM4MyAwIDAxMjM2LTM0NSAxOTUgMTk1IDAgMDEtMTA0LTE3MiAxOTUgMTk1IDAgMDExOTUtMTk1IDE5NSAxOTUgMCAwMTE5NSAxOTUgMTk1IDE5NSAwIDAxLTEwNiAxNzMgMzI3IDM4MyAwIDAxMjM2IDM0NGgxMTBWMHoiLz48L3N2Zz4=');
 	});
 });
+
+function getPreferredTheme() {
+	if (!('localStorage' in window)) return 'light';
+
+	var storedTheme = localStorage.getItem('theme');
+
+	if (storedTheme) {
+		return storedTheme;
+	}
+
+	return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
+}
+
+/**
+ * Theme toggler
+ */
+(function() {
+	if (!('localStorage' in window)) return;
+
+	var storedTheme = localStorage.getItem('theme');
+
+	function setTheme(theme) {
+		if (theme === 'auto' && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+			document.documentElement.setAttribute('data-bs-theme', 'dark');
+			update_monaco_theme('dark');
+		} else {
+			document.documentElement.setAttribute('data-bs-theme', theme);
+			update_monaco_theme(theme == 'auto' ? 'light' : theme);
+		}
+	}
+
+	setTheme(getPreferredTheme());
+
+	function showActiveTheme(theme) {
+		var currentIcon = $('.theme-icon-active').attr('data-icon');
+		var newIcon = $('[data-bs-theme-value="' + theme +'"] .theme-icon').attr('data-icon');
+
+		$('[data-bs-theme-value]').removeClass('active');
+		$('[data-bs-theme-value="' + theme +'"]').addClass('active');
+		$('.theme-icon-active')
+			.removeClass(currentIcon)
+			.addClass(newIcon)
+			.attr('data-icon', newIcon);
+	}
+
+	window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', function() {
+		if (storedTheme !== 'light' || storedTheme !== 'dark') {
+			setTheme(getPreferredTheme());
+		}
+	});
+
+	$(document).ready(function() {
+		showActiveTheme(getPreferredTheme());
+
+		$('[data-bs-theme-value]').click(function() {
+			var theme = $(this).data('bs-theme-value');
+
+			localStorage.setItem('theme', theme);
+			setTheme(theme);
+			showActiveTheme(theme);
+		});
+	});
+})();