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@ -38,19 +38,11 @@ import org.json.JSONObject;
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import java.util.ArrayList;
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/**
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* SqlNote类 - 用于管理本地笔记数据的核心类
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*
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* 该类负责处理笔记数据的加载、存储、更新和转换,是GTask同步机制与本地数据库之间的桥梁
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* 支持从Cursor加载数据、从JSON设置内容、提交更改到数据库等功能
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*/
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public class SqlNote {
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private static final String TAG = SqlNote.class.getSimpleName();
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// 无效ID常量,用于初始化和验证
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private static final int INVALID_ID = -99999;
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// 笔记查询投影数组,定义了从数据库查询笔记时返回的列
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public static final String[] PROJECTION_NOTE = new String[] {
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NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
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NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
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@ -60,154 +52,139 @@ public class SqlNote {
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NoteColumns.VERSION
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};
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// 投影数组中各列的索引常量定义
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public static final int ID_COLUMN = 0;
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public static final int ALERTED_DATE_COLUMN = 1;
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public static final int BG_COLOR_ID_COLUMN = 2;
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public static final int CREATED_DATE_COLUMN = 3;
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public static final int HAS_ATTACHMENT_COLUMN = 4;
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public static final int MODIFIED_DATE_COLUMN = 5;
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public static final int NOTES_COUNT_COLUMN = 6;
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public static final int PARENT_ID_COLUMN = 7;
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public static final int SNIPPET_COLUMN = 8;
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public static final int TYPE_COLUMN = 9;
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public static final int WIDGET_ID_COLUMN = 10;
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public static final int WIDGET_TYPE_COLUMN = 11;
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public static final int SYNC_ID_COLUMN = 12;
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public static final int LOCAL_MODIFIED_COLUMN = 13;
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public static final int ORIGIN_PARENT_ID_COLUMN = 14;
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public static final int GTASK_ID_COLUMN = 15;
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public static final int VERSION_COLUMN = 16;
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// 上下文对象,用于访问系统服务
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private Context mContext;
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// 内容解析器,用于与ContentProvider交互
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private ContentResolver mContentResolver;
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// 是否为新创建的笔记
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private boolean mIsCreate;
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// 笔记ID
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private long mId;
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// 提醒日期
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private long mAlertDate;
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// 背景颜色ID
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private int mBgColorId;
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// 创建日期
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private long mCreatedDate;
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// 是否有附件
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private int mHasAttachment;
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// 修改日期
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private long mModifiedDate;
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// 父文件夹ID
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private long mParentId;
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// 笔记摘要
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private String mSnippet;
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// 笔记类型(普通笔记、文件夹等)
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private int mType;
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// 小部件ID
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private int mWidgetId;
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// 小部件类型
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private int mWidgetType;
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// 原始父文件夹ID
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private long mOriginParent;
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// 版本号,用于并发控制
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private long mVersion;
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// 差异内容值,用于记录需要更新的字段
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private ContentValues mDiffNoteValues;
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// 私有成员变量,用于存储SqlData类型的数据列表
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// 使用ArrayList作为数据结构,可以动态存储SqlData对象
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private ArrayList<SqlData> mDataList;
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/**
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* 创建新笔记的构造函数
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*
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* @param context 上下文对象,用于访问系统服务
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*/
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public SqlNote(Context context) {
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mContext = context;
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mContentResolver = context.getContentResolver();
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mIsCreate = true; // 标记为新创建的笔记
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mId = INVALID_ID; // 初始化为无效ID
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mAlertDate = 0; // 无提醒日期
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mBgColorId = ResourceParser.getDefaultBgId(context); // 使用默认背景颜色
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mCreatedDate = System.currentTimeMillis(); // 创建日期设为当前时间
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mHasAttachment = 0; // 初始没有附件
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mModifiedDate = System.currentTimeMillis(); // 修改日期设为当前时间
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mParentId = 0; // 默认父文件夹ID为0
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mSnippet = ""; // 摘要为空
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mType = Notes.TYPE_NOTE; // 默认类型为普通笔记
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mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; // 无效小部件ID
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mWidgetType = Notes.TYPE_WIDGET_INVALIDE; // 无效小部件类型
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mOriginParent = 0; // 原始父文件夹ID
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mVersion = 0; // 初始版本号
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mDiffNoteValues = new ContentValues(); // 用于记录差异的内容值
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mDataList = new ArrayList<SqlData>(); // 初始化数据列表
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mIsCreate = true;
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mId = INVALID_ID;
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mAlertDate = 0;
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mBgColorId = ResourceParser.getDefaultBgId(context);
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mCreatedDate = System.currentTimeMillis();
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mHasAttachment = 0;
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mModifiedDate = System.currentTimeMillis();
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mParentId = 0;
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mSnippet = "";
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mType = Notes.TYPE_NOTE;
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mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
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mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
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mOriginParent = 0;
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mVersion = 0;
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mDiffNoteValues = new ContentValues();
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mDataList = new ArrayList<SqlData>();
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}
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/**
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* 从Cursor创建SqlNote对象的构造函数
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*
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* @param context 上下文对象
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* @param c 包含笔记数据的Cursor对象
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*/
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public SqlNote(Context context, Cursor c) {
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mContext = context;
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mContentResolver = context.getContentResolver();
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mIsCreate = false; // 标记为已存在的笔记
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loadFromCursor(c); // 从Cursor加载数据
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mDataList = new ArrayList<SqlData>(); // 初始化数据列表
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if (mType == Notes.TYPE_NOTE) // 如果是普通笔记,加载其数据内容
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mIsCreate = false;
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loadFromCursor(c);
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mDataList = new ArrayList<SqlData>();
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if (mType == Notes.TYPE_NOTE)
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loadDataContent();
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mDiffNoteValues = new ContentValues(); // 用于记录差异的内容值
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mDiffNoteValues = new ContentValues();
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}
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/**
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* 根据ID创建SqlNote对象的构造函数
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*
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* @param context 上下文对象
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* @param id 笔记的ID
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*/
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public SqlNote(Context context, long id) {
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mContext = context;
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mContentResolver = context.getContentResolver();
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mIsCreate = false; // 标记为已存在的笔记
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loadFromCursor(id); // 根据ID从数据库加载数据
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mDataList = new ArrayList<SqlData>(); // 初始化数据列表
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if (mType == Notes.TYPE_NOTE) // 如果是普通笔记,加载其数据内容
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mIsCreate = false;
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loadFromCursor(id);
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mDataList = new ArrayList<SqlData>();
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if (mType == Notes.TYPE_NOTE)
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loadDataContent();
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mDiffNoteValues = new ContentValues(); // 用于记录差异的内容值
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mDiffNoteValues = new ContentValues();
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}
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/**
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* 根据ID从数据库加载笔记数据
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*
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* @param id 笔记的ID
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*/
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private void loadFromCursor(long id) {
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Cursor c = null;
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try {
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// 查询指定ID的笔记数据
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c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
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new String[] {
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String.valueOf(id)
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}, null);
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if (c != null) {
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c.moveToNext();
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loadFromCursor(c); // 调用Cursor版本的loadFromCursor方法
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loadFromCursor(c);
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} else {
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Log.w(TAG, "loadFromCursor: cursor = null");
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}
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} finally {
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if (c != null)
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c.close(); // 确保Cursor被关闭
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c.close();
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}
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}
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/**
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* 从Cursor对象加载笔记数据到成员变量
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*
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* @param c 包含笔记数据的Cursor对象
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*/
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private void loadFromCursor(Cursor c) {
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mId = c.getLong(ID_COLUMN);
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mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
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@ -223,16 +200,10 @@ public class SqlNote {
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mVersion = c.getLong(VERSION_COLUMN);
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}
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/**
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* 加载笔记的具体数据内容
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*
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* 该方法从数据库中查询与当前笔记关联的所有数据项,并将它们加载到mDataList中
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*/
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private void loadDataContent() {
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Cursor c = null;
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mDataList.clear(); // 清空现有数据列表
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mDataList.clear();
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try {
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// 查询与当前笔记ID关联的所有数据项
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c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
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"(note_id=?)", new String[] {
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String.valueOf(mId)
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@ -242,7 +213,6 @@ public class SqlNote {
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Log.w(TAG, "it seems that the note has not data");
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return;
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}
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// 遍历Cursor,创建SqlData对象并添加到数据列表
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while (c.moveToNext()) {
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SqlData data = new SqlData(mContext, c);
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mDataList.add(data);
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@ -252,25 +222,17 @@ public class SqlNote {
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}
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} finally {
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if (c != null)
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c.close(); // 确保Cursor被关闭
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c.close();
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}
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}
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/**
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* 从JSON对象设置笔记内容
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*
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* @param js 包含笔记数据的JSON对象
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* @return 是否成功设置内容
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*/
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public boolean setContent(JSONObject js) {
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try {
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JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
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// 根据笔记类型进行不同处理
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if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
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Log.w(TAG, "cannot set system folder");
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} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
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// 文件夹类型只能更新摘要和类型
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// for folder we can only update the snnipet and type
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String snippet = note.has(NoteColumns.SNIPPET) ? note
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.getString(NoteColumns.SNIPPET) : "";
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if (mIsCreate || !mSnippet.equals(snippet)) {
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@ -285,10 +247,7 @@ public class SqlNote {
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}
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mType = type;
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} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) {
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// 普通笔记类型,需要处理所有字段和关联的数据
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JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
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// 更新笔记基本信息
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long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID;
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if (mIsCreate || mId != id) {
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mDiffNoteValues.put(NoteColumns.ID, id);
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@ -372,12 +331,9 @@ public class SqlNote {
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}
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mOriginParent = originParent;
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// 处理笔记关联的数据项
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for (int i = 0; i < dataArray.length(); i++) {
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JSONObject data = dataArray.getJSONObject(i);
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SqlData sqlData = null;
|
|
|
|
|
|
|
|
|
|
// 尝试在现有数据列表中找到匹配的SqlData对象
|
|
|
|
|
if (data.has(DataColumns.ID)) {
|
|
|
|
|
long dataId = data.getLong(DataColumns.ID);
|
|
|
|
|
for (SqlData temp : mDataList) {
|
|
|
|
|
@ -387,13 +343,11 @@ public class SqlNote {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 如果找不到匹配的SqlData对象,则创建新的
|
|
|
|
|
if (sqlData == null) {
|
|
|
|
|
sqlData = new SqlData(mContext);
|
|
|
|
|
mDataList.add(sqlData);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 设置SqlData的内容
|
|
|
|
|
sqlData.setContent(data);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
@ -405,26 +359,17 @@ public class SqlNote {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取笔记内容的JSON表示
|
|
|
|
|
*
|
|
|
|
|
* @return 包含笔记内容的JSON对象,如果获取失败则返回null
|
|
|
|
|
*/
|
|
|
|
|
public JSONObject getContent() {
|
|
|
|
|
try {
|
|
|
|
|
JSONObject js = new JSONObject();
|
|
|
|
|
|
|
|
|
|
// 如果是新创建的笔记(尚未保存到数据库),则无法获取内容
|
|
|
|
|
if (mIsCreate) {
|
|
|
|
|
Log.e(TAG, "it seems that we haven't created this in database yet");
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
JSONObject note = new JSONObject();
|
|
|
|
|
|
|
|
|
|
// 根据笔记类型构建不同的JSON结构
|
|
|
|
|
if (mType == Notes.TYPE_NOTE) {
|
|
|
|
|
// 普通笔记类型,包含完整的笔记信息和关联数据
|
|
|
|
|
note.put(NoteColumns.ID, mId);
|
|
|
|
|
note.put(NoteColumns.ALERTED_DATE, mAlertDate);
|
|
|
|
|
note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
|
|
|
|
|
@ -439,7 +384,6 @@ public class SqlNote {
|
|
|
|
|
note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent);
|
|
|
|
|
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
|
|
|
|
|
|
|
|
|
|
// 添加关联的数据项
|
|
|
|
|
JSONArray dataArray = new JSONArray();
|
|
|
|
|
for (SqlData sqlData : mDataList) {
|
|
|
|
|
JSONObject data = sqlData.getContent();
|
|
|
|
|
@ -449,7 +393,6 @@ public class SqlNote {
|
|
|
|
|
}
|
|
|
|
|
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
|
|
|
|
|
} else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {
|
|
|
|
|
// 文件夹或系统类型,只包含基本信息
|
|
|
|
|
note.put(NoteColumns.ID, mId);
|
|
|
|
|
note.put(NoteColumns.TYPE, mType);
|
|
|
|
|
note.put(NoteColumns.SNIPPET, mSnippet);
|
|
|
|
|
@ -464,97 +407,48 @@ public class SqlNote {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置笔记的父文件夹ID
|
|
|
|
|
*
|
|
|
|
|
* @param id 父文件夹的ID
|
|
|
|
|
*/
|
|
|
|
|
public void setParentId(long id) {
|
|
|
|
|
mParentId = id;
|
|
|
|
|
mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置笔记的GTask ID(用于同步)
|
|
|
|
|
*
|
|
|
|
|
* @param gid GTask ID
|
|
|
|
|
*/
|
|
|
|
|
public void setGtaskId(String gid) {
|
|
|
|
|
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 设置笔记的同步ID
|
|
|
|
|
*
|
|
|
|
|
* @param syncId 同步ID
|
|
|
|
|
*/
|
|
|
|
|
public void setSyncId(long syncId) {
|
|
|
|
|
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 重置本地修改标志
|
|
|
|
|
*
|
|
|
|
|
* 将本地修改标志设置为0,表示当前内容与服务器同步
|
|
|
|
|
*/
|
|
|
|
|
public void resetLocalModified() {
|
|
|
|
|
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取笔记的ID
|
|
|
|
|
*
|
|
|
|
|
* @return 笔记的ID
|
|
|
|
|
*/
|
|
|
|
|
public long getId() {
|
|
|
|
|
return mId;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取笔记的父文件夹ID
|
|
|
|
|
*
|
|
|
|
|
* @return 父文件夹的ID
|
|
|
|
|
*/
|
|
|
|
|
public long getParentId() {
|
|
|
|
|
return mParentId;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取笔记的摘要
|
|
|
|
|
*
|
|
|
|
|
* @return 笔记的摘要
|
|
|
|
|
*/
|
|
|
|
|
public String getSnippet() {
|
|
|
|
|
return mSnippet;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 检查笔记是否为普通笔记类型
|
|
|
|
|
*
|
|
|
|
|
* @return 是否为普通笔记类型
|
|
|
|
|
*/
|
|
|
|
|
public boolean isNoteType() {
|
|
|
|
|
return mType == Notes.TYPE_NOTE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 将笔记内容提交到数据库
|
|
|
|
|
*
|
|
|
|
|
* @param validateVersion 是否验证版本号
|
|
|
|
|
* @throws ActionFailureException 如果创建笔记失败
|
|
|
|
|
* @throws IllegalStateException 如果更新笔记时ID无效
|
|
|
|
|
*/
|
|
|
|
|
public void commit(boolean validateVersion) {
|
|
|
|
|
if (mIsCreate) {
|
|
|
|
|
// 新创建的笔记,执行插入操作
|
|
|
|
|
if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
|
|
|
|
|
mDiffNoteValues.remove(NoteColumns.ID); // 移除无效ID
|
|
|
|
|
mDiffNoteValues.remove(NoteColumns.ID);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 插入笔记到数据库
|
|
|
|
|
Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues);
|
|
|
|
|
try {
|
|
|
|
|
mId = Long.valueOf(uri.getPathSegments().get(1)); // 获取自动生成的ID
|
|
|
|
|
mId = Long.valueOf(uri.getPathSegments().get(1));
|
|
|
|
|
} catch (NumberFormatException e) {
|
|
|
|
|
Log.e(TAG, "Get note id error :" + e.toString());
|
|
|
|
|
throw new ActionFailureException("create note failed");
|
|
|
|
|
@ -563,29 +457,27 @@ public class SqlNote {
|
|
|
|
|
throw new IllegalStateException("Create thread id failed");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 如果是普通笔记,提交其关联的数据
|
|
|
|
|
if (mType == Notes.TYPE_NOTE) {
|
|
|
|
|
for (SqlData sqlData : mDataList) {
|
|
|
|
|
sqlData.commit(mId, false, -1);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
// 已存在的笔记,执行更新操作
|
|
|
|
|
if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) {
|
|
|
|
|
Log.e(TAG, "No such note");
|
|
|
|
|
throw new IllegalStateException("Try to update note with invalid id");
|
|
|
|
|
}
|
|
|
|
|
if (mDiffNoteValues.size() > 0) {
|
|
|
|
|
mVersion ++; // 版本号递增
|
|
|
|
|
mVersion ++;
|
|
|
|
|
int result = 0;
|
|
|
|
|
if (!validateVersion) {
|
|
|
|
|
// 不验证版本,直接更新
|
|
|
|
|
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + NoteColumns.ID + "=?)", new String[] {
|
|
|
|
|
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
|
|
|
|
|
+ NoteColumns.ID + "=?)", new String[] {
|
|
|
|
|
String.valueOf(mId)
|
|
|
|
|
});
|
|
|
|
|
} else {
|
|
|
|
|
// 验证版本,防止并发更新冲突
|
|
|
|
|
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
|
|
|
|
|
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
|
|
|
|
|
+ NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
|
|
|
|
|
new String[] {
|
|
|
|
|
String.valueOf(mId), String.valueOf(mVersion)
|
|
|
|
|
});
|
|
|
|
|
@ -595,7 +487,6 @@ public class SqlNote {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 如果是普通笔记,提交其关联的数据
|
|
|
|
|
if (mType == Notes.TYPE_NOTE) {
|
|
|
|
|
for (SqlData sqlData : mDataList) {
|
|
|
|
|
sqlData.commit(mId, validateVersion, mVersion);
|
|
|
|
|
@ -603,12 +494,11 @@ public class SqlNote {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 刷新本地信息,确保与数据库一致
|
|
|
|
|
// refresh local info
|
|
|
|
|
loadFromCursor(mId);
|
|
|
|
|
if (mType == Notes.TYPE_NOTE)
|
|
|
|
|
loadDataContent();
|
|
|
|
|
|
|
|
|
|
// 清空差异内容值并标记为已存在
|
|
|
|
|
mDiffNoteValues.clear();
|
|
|
|
|
mIsCreate = false;
|
|
|
|
|
}
|
|
|
|
|
|