feat(v4.2.0): 文件夹支持重命名和删除

- hover文件夹时显示编辑和删除按钮
- 编辑按钮打开重命名模态框
- 删除按钮确认后删除，数据移到未分类

xian_favor/api.py

@@ -1085,6 +1085,21 @@ INDEX_TEMPLATE = '''
             color: #fff; 
         }
         .folder-list a i { margin-right: 5px; }
+        .folder-list .folder-item {
+            display: flex;
+            padding: 6px 10px;
+        }
+        .folder-list .folder-item a {
+            padding: 0 10px;
+            flex-grow: 1;
+        }
+        .folder-list .folder-actions {
+            display: none;
+        }
+        .folder-list .folder-item:hover .folder-actions {
+            display: flex;
+            gap: 2px;
+        }
         .folder-action { 
             font-size: 12px; 
             color: #6c757d; 
@@ -1867,29 +1882,30 @@ INDEX_TEMPLATE = '''
     </div>
 </div>
 
-<!-- 新建文件夹模态框 -->
+<!-- 新建/编辑文件夹模态框 -->
 <div class="modal fade" id="newFolderModal" tabindex="-1">
     <div class="modal-dialog">
         <div class="modal-content">
             <div class="modal-header">
-                <h5 class="modal-title"><i class="bi bi-folder-plus"></i> 新建文件夹</h5>
+                <h5 class="modal-title" id="folderModalTitle"><i class="bi bi-folder-plus"></i> 新建文件夹</h5>
                 <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
             </div>
             <div class="modal-body">
                 <input type="hidden" id="newFolderType">
+                <input type="hidden" id="editFolderId">
                 <div class="mb-3">
                     <label class="form-label">文件夹名称</label>
                     <input type="text" id="newFolderName" class="form-control" placeholder="输入文件夹名称">
                 </div>
-                <div class="mb-3">
+                <div class="mb-3" id="folderTypeRow">
                     <label class="form-label">所属类别</label>
                     <input type="text" id="newFolderTypeName" class="form-control" readonly>
                 </div>
             </div>
             <div class="modal-footer">
                 <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
-                <button type="button" class="btn btn-primary" onclick="createFolder()">
+                <button type="button" class="btn btn-primary" onclick="saveFolder()">
-                    <i class="bi bi-check"></i> 创建
+                    <i class="bi bi-check"></i> <span id="folderSaveBtnText">创建</span>
                 </button>
             </div>
         </div>
@@ -4173,9 +4189,19 @@ function renderFolderList(type) {
     // if (section) section.classList.add('expanded');  // 已移除
     
     container.innerHTML = folders.map(f => `
-        <a href="#" data-folder="${f.id}" onclick="filterByFolder('${type}', ${f.id}); return false;">
+        <div class="d-flex justify-content-between align-items-center folder-item">
+            <a href="#" data-folder="${f.id}" onclick="filterByFolder('${type}', ${f.id}); return false;" class="flex-grow-1">
                 <i class="bi bi-folder"></i> ${f.name} <small class="text-muted">(${f.item_count || 0})</small>
             </a>
+            <div class="folder-actions">
+                <button class="btn btn-sm btn-outline-secondary py-0 px-1" onclick="event.stopPropagation(); showEditFolderModal(${f.id}, '${f.name}'); return false;" title="重命名">
+                    <i class="bi bi-pencil"></i>
+                </button>
+                <button class="btn btn-sm btn-outline-danger py-0 px-1" onclick="event.stopPropagation(); deleteFolderConfirm(${f.id}, '${f.name}'); return false;" title="删除">
+                    <i class="bi bi-trash"></i>
+                </button>
+            </div>
+        </div>
     `).join('');
 }
 
@@ -4202,16 +4228,35 @@ async function showNewFolderModal(type) {
     if (!checkOnlineBeforeAction('新建文件夹')) return;
     
     document.getElementById('newFolderType').value = type;
+    document.getElementById('editFolderId').value = '';
     document.getElementById('newFolderName').value = '';
     
     const typeLabels = { text: '📝 文本', link: '🔗 链接', column: '📰 专栏', todo: '✅ 待办' };
     document.getElementById('newFolderTypeName').value = typeLabels[type] || type;
     
+    document.getElementById('folderModalTitle').innerHTML = '<i class="bi bi-folder-plus"></i> 新建文件夹';
+    document.getElementById('folderSaveBtnText').textContent = '创建';
+    document.getElementById('folderTypeRow').style.display = 'block';
+    
     new bootstrap.Modal(document.getElementById('newFolderModal')).show();
 }
 
-async function createFolder() {
+// 显示编辑文件夹模态框
-    const type = document.getElementById('newFolderType').value;
+function showEditFolderModal(folderId, folderName) {
+    document.getElementById('editFolderId').value = folderId;
+    document.getElementById('newFolderName').value = folderName;
+    document.getElementById('newFolderType').value = '';
+    
+    document.getElementById('folderModalTitle').innerHTML = '<i class="bi bi-pencil"></i> 重命名文件夹';
+    document.getElementById('folderSaveBtnText').textContent = '保存';
+    document.getElementById('folderTypeRow').style.display = 'none';
+    
+    new bootstrap.Modal(document.getElementById('newFolderModal')).show();
+}
+
+// 保存文件夹（创建或编辑）
+async function saveFolder() {
+    const editId = document.getElementById('editFolderId').value;
     const name = document.getElementById('newFolderName').value.trim();
     
     if (!name) {
@@ -4219,12 +4264,32 @@ async function createFolder() {
         return;
     }
     
+    // 离线检查
+    if (!checkOnlineBeforeAction(editId ? '重命名文件夹' : '新建文件夹')) return;
+    
+    if (editId) {
+        // 编辑
+        const res = await fetch(`${API_BASE}/folders/${editId}`, {
+            method: 'PUT',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ name })
+        });
+        const data = await res.json();
+        
+        if (data.success) {
+            bootstrap.Modal.getInstance(document.getElementById('newFolderModal')).hide();
+            loadFolders();
+        } else {
+            alert('重命名失败: ' + data.error);
+        }
+    } else {
+        // 创建
+        const type = document.getElementById('newFolderType').value;
         const res = await fetch(`${API_BASE}/folders`, {
             method: 'POST',
             headers: { 'Content-Type': 'application/json' },
             body: JSON.stringify({ name, type })
         });
-    
         const data = await res.json();
         
         if (data.success) {
@@ -4234,6 +4299,32 @@ async function createFolder() {
         } else {
             alert('创建失败: ' + data.error);
         }
+    }
+}
+
+// 删除文件夹确认
+async function deleteFolderConfirm(folderId, folderName) {
+    // 离线检查
+    if (!checkOnlineBeforeAction('删除文件夹')) return;
+    
+    if (!confirm(`确认删除文件夹"${folderName}"？\n文件夹内的数据将移到未分类。`)) return;
+    
+    const res = await fetch(`${API_BASE}/folders/${folderId}?move_to_root=1`, {
+        method: 'DELETE'
+    });
+    const data = await res.json();
+    
+    if (data.success) {
+        loadFolders();
+        loadStats();
+        // 如果当前正在过滤该文件夹，返回首页
+        if (currentFilter.folder_id === folderId) {
+            currentFilter.folder_id = null;
+            loadItems(1);
+        }
+    } else {
+        alert('删除失败: ' + data.error);
+    }
 }
 
 function filterByFolder(type, folderId) {