update usermanager

public/s/js/admin.js

@@ -401,6 +401,49 @@
     }, { hideReason: true, confirmText: 'Set Password', unsafeContent: true });
   };
 
+  window.adminRenameUser = async (btn) => {
+    const id = btn.dataset.id;
+    const currentName = btn.dataset.name;
+    const currentUsername = btn.dataset.username;
+
+    if (typeof ModAction === 'undefined') return alert('Error: ModAction module not loaded');
+
+    ModAction.confirm(
+      'Rename User',
+      'Enter a new login name for <strong>' + escHTML(currentName) + '</strong>.<br>' +
+      '<small style="color:#888;">Current login: <code>' + escHTML(currentUsername) + '</code> — All uploads will be reassigned. User sessions will be invalidated. And the user has to login with the NEW name from now on.</small>',
+      async (newUsername) => {
+        const data = await post('/api/v2/admin/users/rename', { user_id: id, new_username: newUsername });
+        if (data.success) {
+          showFlash(data.msg, 'success');
+          // Update the row in-place: links, text, and all button data attributes
+          const row = document.getElementById('user-row-' + id);
+          if (row) {
+            // Update the name link
+            const link = row.querySelector('.user-info-cell a');
+            if (link) {
+              link.href = '/user/' + data.new_login;
+              // Only overwrite text if there's no display_name (plain username link)
+              if (!link.querySelector('span[style*="accent"]')) {
+                link.textContent = data.new_user;
+              }
+            }
+            // Update all buttons in the row with the new name/username
+            row.querySelectorAll('[data-username]').forEach(el => { el.dataset.username = data.new_login; });
+            row.querySelectorAll('[data-name]').forEach(el => { el.dataset.name = data.new_user; });
+            // Update activity stat links
+            row.querySelectorAll('a[href^="/user/"]').forEach(a => {
+              a.href = a.href.replace(/\/user\/[^/]+/, '/user/' + data.new_login);
+            });
+          }
+        } else {
+          throw new Error(data.msg || 'Rename failed');
+        }
+      },
+      { hideReason: false, singleLine: true, confirmText: 'Rename', placeholder: 'new username' }
+    );
+  };
+
   window.adminDeleteUser = async (btn) => {
     const id = btn.dataset.id;
     const name = btn.dataset.name;

public/s/js/f0ckm.js

@@ -7249,16 +7249,15 @@ class ModAction {
     if (!modal) return window.flashMessage('Error: Mod modal not found', 3000, 'error');
     const titleEl = document.getElementById('mod-action-title');
     const contentEl = document.getElementById('mod-action-content');
-    const textareaEl = document.getElementById('mod-reason');
-    const inputEl = document.getElementById('mod-reason-input');
+    const reasonEl = document.getElementById('mod-reason');
     const confirmBtn = document.getElementById('mod-action-confirm');
     const cancelBtn = document.getElementById('mod-action-cancel');
     const errorEl = document.getElementById('mod-action-error');
 
-    // Pick the active input element based on singleLine option
     const singleLine = options.singleLine || false;
-    const reasonEl = singleLine ? inputEl : textareaEl;
-    const inactiveEl = singleLine ? textareaEl : inputEl;
+    const hideReason = options.hideReason || false;
+    const allowEmpty = options.allowEmpty || false;
+    const i18n = window.f0ckI18n || {};
 
     titleEl.innerText = title;
     if (options.unsafeContent) {
@@ -7266,15 +7265,23 @@ class ModAction {
     } else {
       contentEl.innerHTML = Sanitizer.clean(promptHtml);
     }
+
     reasonEl.value = '';
-    inactiveEl.value = '';
-    inactiveEl.style.display = 'none';
     errorEl.style.display = 'none';
     modal.style.display = 'flex';
 
-    const hideReason = options.hideReason || false;
-    const allowEmpty = options.allowEmpty || false;
-    const i18n = window.f0ckI18n || {};
+    // Apply single-line mode: style the textarea to look and act like a text input
+    if (singleLine) {
+      reasonEl.rows = 1;
+      reasonEl.style.resize = 'none';
+      reasonEl.style.overflow = 'hidden';
+      reasonEl.style.height = 'auto';
+    } else {
+      reasonEl.rows = 3;
+      reasonEl.style.resize = '';
+      reasonEl.style.overflow = '';
+      reasonEl.style.height = '';
+    }
 
     if (hideReason) {
       reasonEl.style.display = 'none';
@@ -7315,24 +7322,19 @@ class ModAction {
       }
     };
 
+    // Block Enter from inserting newlines in single-line mode; instead submit
+    const enterHandler = singleLine ? (e) => {
+      if (e.key === 'Enter') { e.preventDefault(); onConfirm(); }
+    } : null;
+    if (enterHandler) reasonEl.addEventListener('keydown', enterHandler);
+
     const cleanup = () => {
       confirmBtn.onclick = null;
       cancelBtn.onclick = null;
-      if (singleLine && inputEl._enterHandler) {
-        inputEl.removeEventListener('keydown', inputEl._enterHandler);
-        inputEl._enterHandler = null;
-      }
+      if (enterHandler) reasonEl.removeEventListener('keydown', enterHandler);
       confirmBtn.disabled = false;
     };
 
-    // For single-line input: submit on Enter
-    if (singleLine && !hideReason) {
-      inputEl._enterHandler = (e) => {
-        if (e.key === 'Enter') { e.preventDefault(); onConfirm(); }
-      };
-      inputEl.addEventListener('keydown', inputEl._enterHandler);
-    }
-
     confirmBtn.onclick = onConfirm;
     cancelBtn.onclick = close;