Type: INTEGER (long)
- */ - public static final String ID = "_id"; - - /** - * The parent's id for note or folder - *Type: INTEGER (long)
- */ - public static final String PARENT_ID = "parent_id"; - - /** - * Created data for note or folder - *Type: INTEGER (long)
- */ - public static final String CREATED_DATE = "created_date"; - - /** - * Latest modified date - *Type: INTEGER (long)
- */ - public static final String MODIFIED_DATE = "modified_date"; - - - /** - * Alert date - *Type: INTEGER (long)
- */ - public static final String ALERTED_DATE = "alert_date"; - - /** - * Folder's name or text content of note - *Type: TEXT
- */ - public static final String SNIPPET = "snippet"; - - /** - * Note's widget id - *Type: INTEGER (long)
- */ - public static final String WIDGET_ID = "widget_id"; - - /** - * Note's widget type - *Type: INTEGER (long)
- */ - public static final String WIDGET_TYPE = "widget_type"; - - /** - * Note's background color's id - *Type: INTEGER (long)
- */ - public static final String BG_COLOR_ID = "bg_color_id"; - - /** - * For text note, it doesn't has attachment, for multi-media - * note, it has at least one attachment - *Type: INTEGER
- */ - public static final String HAS_ATTACHMENT = "has_attachment"; - - /** - * Folder's count of notes - *Type: INTEGER (long)
- */ - public static final String NOTES_COUNT = "notes_count"; - - /** - * The file type: folder or note - *Type: INTEGER
- */ - public static final String TYPE = "type"; - - /** - * The last sync id - *Type: INTEGER (long)
- */ - public static final String SYNC_ID = "sync_id"; - - /** - * Sign to indicate local modified or not - *Type: INTEGER
- */ - public static final String LOCAL_MODIFIED = "local_modified"; - - /** - * Original parent id before moving into temporary folder - *Type : INTEGER
- */ - public static final String ORIGIN_PARENT_ID = "origin_parent_id"; - - /** - * The gtask id - *Type : TEXT
- */ - public static final String GTASK_ID = "gtask_id"; - - /** - * The version code - *Type : INTEGER (long)
- */ - public static final String VERSION = "version"; - } - - public interface DataColumns { - /** - * The unique ID for a row - *Type: INTEGER (long)
- */ - public static final String ID = "_id"; - - /** - * The MIME type of the item represented by this row. - *Type: Text
- */ - public static final String MIME_TYPE = "mime_type"; - - /** - * The reference id to note that this data belongs to - *Type: INTEGER (long)
- */ - public static final String NOTE_ID = "note_id"; - - /** - * Created data for note or folder - *Type: INTEGER (long)
- */ - public static final String CREATED_DATE = "created_date"; - - /** - * Latest modified date - *Type: INTEGER (long)
- */ - public static final String MODIFIED_DATE = "modified_date"; - - /** - * Data's content - *Type: TEXT
- */ - public static final String CONTENT = "content"; - - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * integer data type - *Type: INTEGER
- */ - public static final String DATA1 = "data1"; - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * integer data type - *Type: INTEGER
- */ - public static final String DATA2 = "data2"; - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *Type: TEXT
- */ - public static final String DATA3 = "data3"; - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *Type: TEXT
- */ - public static final String DATA4 = "data4"; - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *Type: TEXT
- */ - public static final String DATA5 = "data5"; - } - - public static final class TextNote implements DataColumns { - /** - * Mode to indicate the text in check list mode or not - *Type: Integer 1:check list mode 0: normal mode
- */ - public static final String MODE = DATA1; - - public static final int MODE_CHECK_LIST = 1; - - public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; - - public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; - - public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); - } - - public static final class CallNote implements DataColumns { - /** - * Call date for this record - *Type: INTEGER (long)
- */ - public static final String CALL_DATE = DATA1; - - /** - * Phone number for this record - *Type: TEXT
- */ - public static final String PHONE_NUMBER = DATA3; - - public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; - - public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; - - public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); - } -} -- package net.micode.notes.data; ：声明了该类所在的Java包，用于对类进行逻辑分组与模块化管理，方便在大型项目中组织代码。 -- import android.net.Uri; ：引入 Uri 类，它在Android开发里常用于表示统一资源标识符，例如访问内容提供者（Content Provider）时，就需要用 Uri 来指定要操作的数据资源位置 -- package net.micode.notes.data; ：声明了该类所在的Java包，用于对类进行逻辑分组与模块化管理，方便在大型项目中组织代码。 -- import android.net.Uri; ：引入 Uri 类，它在Android开发里常用于表示统一资源标识符，例如访问内容提供者（Content Provider）时，就需要用 Uri 来指定要操作的数据资源位置 -- 这段代码定义了多个整型常量，作为系统文件夹的标识符： -- ID_ROOT_FOLDER 设为 0 ，代表默认文件夹。 -- ID_TEMPARAY_FOLDER 设为 -1 ，用于存放那些不属于任何文件夹的笔记。 -- ID_CALL_RECORD_FOLDER 设为 -2 ，用来存储通话记录相关的文件夹。 -- ID_TRASH_FOLER 设为 -3 ，推测是回收站文件夹。 -- 定义了一系列静态常量字符串，这些字符串大概率是用于在 Intent 传递额外数据时的键名，不同的键对应不同类型的数据，比如提醒日期、背景颜色ID、小组件相关ID和类型、文件夹ID、通话日期等。 -- 又定义了几个整型常量，用于区分不同类型的小组件， TYPE_WIDGET_INVALIDE 值为 -1 表示无效小组件， TYPE_WIDGET_2X 值为 0 、 TYPE_WIDGET_4X 值为 1 可能对应不同尺寸规格的小组件。 -- 定义了两个 Uri 常量： -- CONTENT_NOTE_URI ：通过 Uri.parse 方法，根据之前定义的 AUTHORITY 拼接出用于查询所有笔记和文件夹的 Uri 。 -- CONTENT_DATA_URI ：同样方式拼接出用于查询数据的 Uri ，这些 Uri 在与内容提供者交互、获取数据时是关键元素。 -- 定义了一个接口 NoteColumns ，不过目前接口内部还没有具体的方法或者常量定义，通常接口用于定义一组相关方法的签名，后续大概率会在这里添加与笔记列相关的常量定义，方便数据库操作时统一列名。 -第二个 -package net.micode.notes.data; - -import android.content.ContentValues; -import android.content.Context; -import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteOpenHelper; -import android.util.Log; - -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.DataConstants; -import net.micode.notes.data.Notes.NoteColumns; - - -public class NotesDatabaseHelper extends SQLiteOpenHelper { - private static final String DB_NAME = "note.db"; - - private static final int DB_VERSION = 4; - - public interface TABLE { - public static final String NOTE = "note"; - - public static final String DATA = "data"; - } - - private static final String TAG = "NotesDatabaseHelper"; - - private static NotesDatabaseHelper mInstance; - - private static final String CREATE_NOTE_TABLE_SQL = - "CREATE TABLE " + TABLE.NOTE + "(" + - NoteColumns.ID + " INTEGER PRIMARY KEY," + - NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + - NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + - NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + - NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + - ")"; - - private static final String CREATE_DATA_TABLE_SQL = - "CREATE TABLE " + TABLE.DATA + "(" + - DataColumns.ID + " INTEGER PRIMARY KEY," + - DataColumns.MIME_TYPE + " TEXT NOT NULL," + - DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA1 + " INTEGER," + - DataColumns.DATA2 + " INTEGER," + - DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + - ")"; - - private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = - "CREATE INDEX IF NOT EXISTS note_id_index ON " + - TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; - - /** - * Increase folder's note count when move note to the folder - */ - private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = - "CREATE TRIGGER increase_folder_count_on_update "+ - " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + - " BEGIN " + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + - " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + - " END"; - - /** - * Decrease folder's note count when move note from folder - */ - private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = - "CREATE TRIGGER decrease_folder_count_on_update " + - " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + - " BEGIN " + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + - " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + - " AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + - " END"; - - /** - * Increase folder's note count when insert new note to the folder - */ - private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = - "CREATE TRIGGER increase_folder_count_on_insert " + - " AFTER INSERT ON " + TABLE.NOTE + - " BEGIN " + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + - " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + - " END"; - - /** - * Decrease folder's note count when delete note from the folder - */ - private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = - "CREATE TRIGGER decrease_folder_count_on_delete " + - " AFTER DELETE ON " + TABLE.NOTE + - " BEGIN " + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + - " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + - " AND " + NoteColumns.NOTES_COUNT + ">0;" + - " END"; - - /** - * Update note's content when insert data with type {@link DataConstants#NOTE} - */ - private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = - "CREATE TRIGGER update_note_content_on_insert " + - " AFTER INSERT ON " + TABLE.DATA + - " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + - " BEGIN" + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + - " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + - " END"; - - /** - * Update note's content when data with {@link DataConstants#NOTE} type has changed - */ - private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = - "CREATE TRIGGER update_note_content_on_update " + - " AFTER UPDATE ON " + TABLE.DATA + - " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + - " BEGIN" + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + - " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + - " END"; - - /** - * Update note's content when data with {@link DataConstants#NOTE} type has deleted - */ - private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = - "CREATE TRIGGER update_note_content_on_delete " + - " AFTER delete ON " + TABLE.DATA + - " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + - " BEGIN" + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.SNIPPET + "=''" + - " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + - " END"; - - /** - * Delete datas belong to note which has been deleted - */ - private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = - "CREATE TRIGGER delete_data_on_delete " + - " AFTER DELETE ON " + TABLE.NOTE + - " BEGIN" + - " DELETE FROM " + TABLE.DATA + - " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + - " END"; - - /** - * Delete notes belong to folder which has been deleted - */ - private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = - "CREATE TRIGGER folder_delete_notes_on_delete " + - " AFTER DELETE ON " + TABLE.NOTE + - " BEGIN" + - " DELETE FROM " + TABLE.NOTE + - " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + - " END"; - - /** - * Move notes belong to folder which has been moved to trash folder - */ - private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = - "CREATE TRIGGER folder_move_notes_on_trash " + - " AFTER UPDATE ON " + TABLE.NOTE + - " WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + - " BEGIN" + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + - " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + - " END"; - - public NotesDatabaseHelper(Context context) { - super(context, DB_NAME, null, DB_VERSION); - } - - public void createNoteTable(SQLiteDatabase db) { - db.execSQL(CREATE_NOTE_TABLE_SQL); - reCreateNoteTableTriggers(db); - createSystemFolder(db); - Log.d(TAG, "note table has been created"); - } - - private void reCreateNoteTableTriggers(SQLiteDatabase db) { - db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert"); - db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash"); - - db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); - db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); - db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER); - db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER); - db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); - db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); - db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER); - } - - private void createSystemFolder(SQLiteDatabase db) { - ContentValues values = new ContentValues(); - - /** - * call record foler for call notes - */ - values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - - /** - * root folder which is default folder - */ - values.clear(); - values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - - /** - * temporary folder which is used for moving note - */ - values.clear(); - values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - - /** - * create trash folder - */ - values.clear(); - values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - } - - public void createDataTable(SQLiteDatabase db) { - db.execSQL(CREATE_DATA_TABLE_SQL); - reCreateDataTableTriggers(db); - db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); - Log.d(TAG, "data table has been created"); - } - - private void reCreateDataTableTriggers(SQLiteDatabase db) { - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete"); - - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER); - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); - } - - static synchronized NotesDatabaseHelper getInstance(Context context) { - if (mInstance == null) { - mInstance = new NotesDatabaseHelper(context); - } - return mInstance; - } - - @Override - public void onCreate(SQLiteDatabase db) { - createNoteTable(db); - createDataTable(db); - } - - @Override - public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { - boolean reCreateTriggers = false; - boolean skipV2 = false; - - if (oldVersion == 1) { - upgradeToV2(db); - skipV2 = true; // this upgrade including the upgrade from v2 to v3 - oldVersion++; - } - - if (oldVersion == 2 && !skipV2) { - upgradeToV3(db); - reCreateTriggers = true; - oldVersion++; - } - - if (oldVersion == 3) { - upgradeToV4(db); - oldVersion++; - } - - if (reCreateTriggers) { - reCreateNoteTableTriggers(db); - reCreateDataTableTriggers(db); - } - - if (oldVersion != newVersion) { - throw new IllegalStateException("Upgrade notes database to version " + newVersion - + "fails"); - } - } - - private void upgradeToV2(SQLiteDatabase db) { - db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); - db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); - createNoteTable(db); - createDataTable(db); - } - - private void upgradeToV3(SQLiteDatabase db) { - // drop unused triggers - db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update"); - // add a column for gtask id - db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID - + " TEXT NOT NULL DEFAULT ''"); - // add a trash system folder - ContentValues values = new ContentValues(); - values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - } - - private void upgradeToV4(SQLiteDatabase db) { - db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION - + " INTEGER NOT NULL DEFAULT 0"); - } -} -第三个 -ackage net.micode.notes.data; - - -import android.app.SearchManager; -import android.content.ContentProvider; -import android.content.ContentUris; -import android.content.ContentValues; -import android.content.Intent; -import android.content.UriMatcher; -import android.database.Cursor; -import android.database.sqlite.SQLiteDatabase; -import android.net.Uri; -import android.text.TextUtils; -import android.util.Log; - -import net.micode.notes.R; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.data.NotesDatabaseHelper.TABLE; - - -public class NotesProvider extends ContentProvider { - private static final UriMatcher mMatcher; - - private NotesDatabaseHelper mHelper; - - private static final String TAG = "NotesProvider"; - - private static final int URI_NOTE = 1; - private static final int URI_NOTE_ITEM = 2; - private static final int URI_DATA = 3; - private static final int URI_DATA_ITEM = 4; - - private static final int URI_SEARCH = 5; - private static final int URI_SEARCH_SUGGEST = 6; - - static { - mMatcher = new UriMatcher(UriMatcher.NO_MATCH); - mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); - mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); - mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); - mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM); - mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH); - mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST); - mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST); - } - - /** - * x'0A' represents the '\n' character in sqlite. For title and content in the search result, - * we will trim '\n' and white space in order to show more information. - */ - private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," - + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," - + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + "," - + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + "," - + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," - + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," - + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; - - private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION - + " FROM " + TABLE.NOTE - + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" - + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER - + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; - - @Override - public boolean onCreate() { - mHelper = NotesDatabaseHelper.getInstance(getContext()); - return true; - } - - @Override - public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, - String sortOrder) { - Cursor c = null; - SQLiteDatabase db = mHelper.getReadableDatabase(); - String id = null; - switch (mMatcher.match(uri)) { - case URI_NOTE: - c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, - sortOrder); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id - + parseSelection(selection), selectionArgs, null, null, sortOrder); - break; - case URI_DATA: - c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, - sortOrder); - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id - + parseSelection(selection), selectionArgs, null, null, sortOrder); - break; - case URI_SEARCH: - case URI_SEARCH_SUGGEST: - if (sortOrder != null || projection != null) { - throw new IllegalArgumentException( - "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); - } - - String searchString = null; - if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { - if (uri.getPathSegments().size() > 1) { - searchString = uri.getPathSegments().get(1); - } - } else { - searchString = uri.getQueryParameter("pattern"); - } - - if (TextUtils.isEmpty(searchString)) { - return null; - } - - try { - searchString = String.format("%%%s%%", searchString); - c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, - new String[] { searchString }); - } catch (IllegalStateException ex) { - Log.e(TAG, "got exception: " + ex.toString()); - } - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - if (c != null) { - c.setNotificationUri(getContext().getContentResolver(), uri); - } - return c; - } - - @Override - public Uri insert(Uri uri, ContentValues values) { - SQLiteDatabase db = mHelper.getWritableDatabase(); - long dataId = 0, noteId = 0, insertedId = 0; - switch (mMatcher.match(uri)) { - case URI_NOTE: - insertedId = noteId = db.insert(TABLE.NOTE, null, values); - break; - case URI_DATA: - if (values.containsKey(DataColumns.NOTE_ID)) { - noteId = values.getAsLong(DataColumns.NOTE_ID); - } else { - Log.d(TAG, "Wrong data format without note id:" + values.toString()); - } - insertedId = dataId = db.insert(TABLE.DATA, null, values); - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - // Notify the note uri - if (noteId > 0) { - getContext().getContentResolver().notifyChange( - ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); - } - - // Notify the data uri - if (dataId > 0) { - getContext().getContentResolver().notifyChange( - ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); - } - - return ContentUris.withAppendedId(uri, insertedId); - } - - @Override - public int delete(Uri uri, String selection, String[] selectionArgs) { - int count = 0; - String id = null; - SQLiteDatabase db = mHelper.getWritableDatabase(); - boolean deleteData = false; - switch (mMatcher.match(uri)) { - case URI_NOTE: - selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; - count = db.delete(TABLE.NOTE, selection, selectionArgs); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - /** - * ID that smaller than 0 is system folder which is not allowed to - * trash - */ - long noteId = Long.valueOf(id); - if (noteId <= 0) { - break; - } - count = db.delete(TABLE.NOTE, - NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); - break; - case URI_DATA: - count = db.delete(TABLE.DATA, selection, selectionArgs); - deleteData = true; - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - count = db.delete(TABLE.DATA, - DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); - deleteData = true; - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - if (count > 0) { - if (deleteData) { - getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); - } - getContext().getContentResolver().notifyChange(uri, null); - } - return count; - } - - @Override - public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { - int count = 0; - String id = null; - SQLiteDatabase db = mHelper.getWritableDatabase(); - boolean updateData = false; - switch (mMatcher.match(uri)) { - case URI_NOTE: - increaseNoteVersion(-1, selection, selectionArgs); - count = db.update(TABLE.NOTE, values, selection, selectionArgs); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); - count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id - + parseSelection(selection), selectionArgs); - break; - case URI_DATA: - count = db.update(TABLE.DATA, values, selection, selectionArgs); - updateData = true; - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id - + parseSelection(selection), selectionArgs); - updateData = true; - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - - if (count > 0) { - if (updateData) { - getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); - } - getContext().getContentResolver().notifyChange(uri, null); - } - return count; - } - - private String parseSelection(String selection) { - return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); - } - - private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { - StringBuilder sql = new StringBuilder(120); - sql.append("UPDATE "); - sql.append(TABLE.NOTE); - sql.append(" SET "); - sql.append(NoteColumns.VERSION); - sql.append("=" + NoteColumns.VERSION + "+1 "); - - if (id > 0 || !TextUtils.isEmpty(selection)) { - sql.append(" WHERE "); - } - if (id > 0) { - sql.append(NoteColumns.ID + "=" + String.valueOf(id)); - } - if (!TextUtils.isEmpty(selection)) { - String selectString = id > 0 ? parseSelection(selection) : selection; - for (String args : selectionArgs) { - selectString = selectString.replaceFirst("\\?", args); - } - sql.append(selectString); - } - - mHelper.getWritableDatabase().execSQL(sql.toString()); - } - - @Override - public String getType(Uri uri) { - // TODO Auto-generated method stub - return null; - } - -} -