🎨 Updated

frontend/src/views/editor/extensions/statsExtension.ts

@@ -1,6 +1,8 @@
 import {Extension} from '@codemirror/state';
 import {EditorView} from '@codemirror/view';
 import {DocumentStats} from '@/stores/editorStore';
+import {getActiveNoteBlock} from '@/views/editor/extensions/codeblock/state';
+
 // 更新编辑器文档统计信息
 export const updateStats = (
   view: EditorView, 
@@ -9,22 +11,44 @@ export const updateStats = (
   if (!view) return;
   
   const state = view.state;
-  const doc = state.doc;
-  const text = doc.toString();
   
-  // 计算选中的字符数
+  // 获取当前光标所在的代码块
+  const activeBlock = getActiveNoteBlock(state as any);
+  
+  if (!activeBlock) {
+    // 如果没有活动块，显示空统计
+    updateDocumentStats({
+      lines: 0,
+      characters: 0,
+      selectedCharacters: 0
+    });
+    return;
+  }
+  
+  // 获取当前块的内容范围
+  const blockContent = state.doc.sliceString(activeBlock.content.from, activeBlock.content.to);
+  
+  // 计算块内容的行数
+  const blockLines = blockContent.split('\n').length;
+  
+  // 计算选中的字符数（只统计在当前块内的选中内容）
   let selectedChars = 0;
   const selections = state.selection;
   if (selections) {
     for (let i = 0; i < selections.ranges.length; i++) {
       const range = selections.ranges[i];
-      selectedChars += range.to - range.from;
+      // 计算选中范围与当前块内容范围的交集
+      const selectionStart = Math.max(range.from, activeBlock.content.from);
+      const selectionEnd = Math.min(range.to, activeBlock.content.to);
+      if (selectionStart < selectionEnd) {
+        selectedChars += selectionEnd - selectionStart;
+      }
     }
   }
   
   updateDocumentStats({
-    lines: doc.lines,
-    characters: text.length,
+    lines: blockLines,
+    characters: blockContent.length,
     selectedCharacters: selectedChars
   });
 };