java/net/micode/notes/ui/FoldersListAdapter.java

java/net/micode/notes/ui/FoldersListAdapter.java

@@ -30,11 +30,13 @@ import net.micode.notes.data.Notes.NoteColumns;
 
 
 public class FoldersListAdapter extends CursorAdapter {
+    // 定义查询的列
     public static final String [] PROJECTION = {
             NoteColumns.ID,
             NoteColumns.SNIPPET
     };
 
+    // 列索引常量
     public static final int ID_COLUMN   = 0;
     public static final int NAME_COLUMN = 1;
 
@@ -45,12 +47,14 @@ public class FoldersListAdapter extends CursorAdapter {
 
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        // 创建新的视图
         return new FolderListItem(context);
     }
 
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof FolderListItem) {
+            // 获取文件夹名称，如果是根文件夹则使用特定字符串
             String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
                     .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
             ((FolderListItem) view).bind(folderName);
@@ -59,6 +63,7 @@ public class FoldersListAdapter extends CursorAdapter {
 
     public String getFolderName(Context context, int position) {
         Cursor cursor = (Cursor) getItem(position);
+        // 获取指定位置的文件夹名称
         return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
                 .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
     }
@@ -68,11 +73,13 @@ public class FoldersListAdapter extends CursorAdapter {
 
         public FolderListItem(Context context) {
             super(context);
+            // 加载布局并初始化控件
             inflate(context, R.layout.folder_list_item, this);
             mName = (TextView) findViewById(R.id.tv_folder_name);
         }
 
         public void bind(String name) {
+            // 设置文件夹名称
             mName.setText(name);
         }
     }