增加只显示未完成题目的按钮

web/template/syzoj/problemset.php

@@ -76,6 +76,42 @@
           <label><?php echo $MSG_SHOW_TAGS; ?></label>
 
         </div>
+
+        <div class="ui toggle checkbox" id="show_solved" style="margin-left: 10px;">
+          <style id="show_solved_style"></style>
+          <script>
+            if (localStorage.getItem('show_solved') != '0') {
+              document.write('<input type="checkbox" checked>');
+              document.getElementById('show_solved_style').innerHTML = '';
+            } else {
+              document.write('<input type="checkbox">');
+              document.getElementById('show_solved_style').innerHTML = '.solved-problem { display: none; }';
+            }
+          </script>
+
+          <script>
+            $(function () {
+              $('#show_solved').checkbox('setting', 'onChange', function () {
+                let checked = $('#show_solved').checkbox('is checked');
+                localStorage.setItem('show_solved', checked ? '1' : '0');
+                if (checked) {
+                  document.getElementById('show_solved_style').innerHTML = '';
+                  // 显示所有题目
+                  document.querySelectorAll('.solved-problem').forEach(function(row) {
+                    row.style.display = '';
+                  });
+                } else {
+                  document.getElementById('show_solved_style').innerHTML = '.solved-problem { display: none; }';
+                  // 隐藏已解决的题目
+                  document.querySelectorAll('.solved-problem').forEach(function(row) {
+                    row.style.display = 'none';
+                  });
+                }
+              });
+            });
+          </script>
+          <label>显示已正确题目</label>
+        </div>
         <div style="margin-left: 10px; display: inline-block; ">
           <a style="margin-left: 10px; " href="category.php" class="ui labeled icon mini green button"><i
               class="plus icon"></i> <?php echo $MSG_SHOW_ALL_TAGS; ?></a>
@@ -199,7 +235,11 @@
       $tcolor = 0;
       $i = 0;
       foreach ($result as $row) {
-        echo "<tr>";
+        $solved_class = '';
+        if (isset($_SESSION[$OJ_NAME . '_' . 'user_id']) && isset($acc_arr[$row['problem_id']])) {
+          $solved_class = 'solved-problem';
+        }
+        echo "<tr class=\"$solved_class\">";
         if (isset($_SESSION[$OJ_NAME . '_' . 'user_id'])) {
 
           if (isset($sub_arr[$row['problem_id']])) {