private static final String BOOKMARKS_DATABASE = "bookmarks.db";
private static final String BOOKMARKS_TABLE = "bookmarks";
- public static final String ID = "_id";
- public static final String DISPLAYORDER = "displayorder";
+ public static final String _ID = "_id";
+ public static final String DISPLAY_ORDER = "displayorder";
public static final String BOOKMARK_NAME = "bookmarkname";
public static final String BOOKMARK_URL = "bookmarkurl";
- public static final String PARENTFOLDER = "parentfolder";
- public static final String ISFOLDER = "isfolder";
- public static final String FAVORITEICON = "favoriteicon";
+ public static final String PARENT_FOLDER = "parentfolder";
+ public static final String IS_FOLDER = "isfolder";
+ public static final String FAVORITE_ICON = "favoriteicon";
public BookmarksDatabaseHandler(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
super(context, BOOKMARKS_DATABASE, factory, SCHEMA_VERSION);
public void onCreate(SQLiteDatabase bookmarksDatabase) {
// Create the database if it doesn't exist.
String CREATE_BOOKMARKS_TABLE = "CREATE TABLE " + BOOKMARKS_TABLE + " (" +
- ID + " integer primary key, " +
- DISPLAYORDER + " integer, " +
+ _ID + " integer primary key, " +
+ DISPLAY_ORDER + " integer, " +
BOOKMARK_NAME + " text, " +
BOOKMARK_URL + " text, " +
- PARENTFOLDER + " text, " +
- ISFOLDER + " boolean, " +
- FAVORITEICON + " blob);";
+ PARENT_FOLDER + " text, " +
+ IS_FOLDER + " boolean, " +
+ FAVORITE_ICON + " blob);";
bookmarksDatabase.execSQL(CREATE_BOOKMARKS_TABLE);
}
// Code for upgrading the database will be added here when the schema version > 1.
}
- public void createBookmark(String bookmarkName, String bookmarkURL, byte[] favoriteIcon) {
+ public void createBookmark(String bookmarkName, String bookmarkURL, int displayOrder, byte[] favoriteIcon) {
ContentValues bookmarkContentValues = new ContentValues();
// ID is created automatically.
+ bookmarkContentValues.put(DISPLAY_ORDER, displayOrder);
bookmarkContentValues.put(BOOKMARK_NAME, bookmarkName);
bookmarkContentValues.put(BOOKMARK_URL, bookmarkURL);
- bookmarkContentValues.put(PARENTFOLDER, "");
- bookmarkContentValues.put(ISFOLDER, false);
- bookmarkContentValues.put(FAVORITEICON, favoriteIcon);
+ bookmarkContentValues.put(PARENT_FOLDER, "");
+ bookmarkContentValues.put(IS_FOLDER, false);
+ bookmarkContentValues.put(FAVORITE_ICON, favoriteIcon);
// Get a writable database handle.
SQLiteDatabase bookmarksDatabase = this.getWritableDatabase();
bookmarksDatabase.close();
}
- public Cursor getBookmarksCursor() {
+ public Cursor getBookmarkCursor(int databaseId) {
+ // Get a readable database handle.
+ SQLiteDatabase bookmarksDatabase = this.getReadableDatabase();
+
+ // Prepare the SQL statement to get the cursor for `databaseId`
+ final String GET_ONE_BOOKMARK = "Select * FROM " + BOOKMARKS_TABLE +
+ " WHERE " + _ID + " = " + databaseId;
+
+ // Return the results as a `Cursor`. The second argument is `null` because there are no selectionArgs.
+ // We can't close the `Cursor` because we need to use it in the parent activity.
+ return bookmarksDatabase.rawQuery(GET_ONE_BOOKMARK, null);
+ }
+
+ public Cursor getBookmarksCursorExcept(long[] exceptIdLongArray) {
+ // Get a readable database handle.
+ SQLiteDatabase bookmarksDatabase = this.getReadableDatabase();
+
+ // Prepare a string that contains the comma-separated list of IDs not to get.
+ String doNotGetIdsString = "";
+ // Extract the array to `doNotGetIdsString`.
+ for (long databaseIdLong : exceptIdLongArray) {
+ // If this is the first number, only add the number.
+ if (doNotGetIdsString.isEmpty()) {
+ doNotGetIdsString = String.valueOf(databaseIdLong);
+ } else { // If there already is a number in the string, place a `,` before the number.
+ doNotGetIdsString = doNotGetIdsString + "," + databaseIdLong;
+ }
+ }
+
+ // Prepare the SQL statement to select all items except those with the specified IDs.
+ final String GET_All_BOOKMARKS_EXCEPT_SPECIFIED = "Select * FROM " + BOOKMARKS_TABLE +
+ " WHERE " + _ID + " NOT IN (" + doNotGetIdsString + ") ORDER BY " + DISPLAY_ORDER + " ASC";
+
+ // Return the results as a `Cursor`. The second argument is `null` because there are no selectionArgs.
+ // We can't close the `Cursor` because we need to use it in the parent activity.
+ return bookmarksDatabase.rawQuery(GET_All_BOOKMARKS_EXCEPT_SPECIFIED, null);
+ }
+
+ public Cursor getAllBookmarksCursor() {
// Get a readable database handle.
SQLiteDatabase bookmarksDatabase = this.getReadableDatabase();
// Get everything in the BOOKMARKS_TABLE.
- String GET_ALL_BOOKMARKS = "Select * FROM " + BOOKMARKS_TABLE;
+ final String GET_ALL_BOOKMARKS = "Select * FROM " + BOOKMARKS_TABLE + " ORDER BY " + DISPLAY_ORDER + " ASC";
- // Return the results as a Cursor. The second argument is "null" because there are no selectionArgs.
+ // Return the results as a Cursor. The second argument is `null` because there are no selectionArgs.
// We can't close the Cursor because we need to use it in the parent activity.
return bookmarksDatabase.rawQuery(GET_ALL_BOOKMARKS, null);
}
- public String getBookmarkURL(int databaseID) {
+ public String getBookmarkURL(int databaseId) {
// Get a readable database handle.
SQLiteDatabase bookmarksDatabase = this.getReadableDatabase();
- // Get the row for the selected databaseID.
- String GET_BOOKMARK_URL = "Select * FROM " + BOOKMARKS_TABLE +
- " WHERE " + ID + " = " + databaseID;
+ // Prepare the SQL statement to get the row for the selected databaseId.
+ final String GET_BOOKMARK_URL = "Select * FROM " + BOOKMARKS_TABLE +
+ " WHERE " + _ID + " = " + databaseId;
// Save the results as Cursor and move it to the first (only) row. The second argument is "null" because there are no selectionArgs.
Cursor bookmarksCursor = bookmarksDatabase.rawQuery(GET_BOOKMARK_URL, null);
// Return the bookmarkURLString.
return bookmarkURLString;
}
-}
+
+ public void updateBookmark(int databaseId, String bookmarkName, String bookmarkUrl) {
+ // Store the updated values in `bookmarkContentValues`.
+ ContentValues bookmarkContentValues = new ContentValues();
+
+ bookmarkContentValues.put(BOOKMARK_NAME, bookmarkName);
+ bookmarkContentValues.put(BOOKMARK_URL, bookmarkUrl);
+
+ // Get a writable database handle.
+ SQLiteDatabase bookmarksDatabase = this.getWritableDatabase();
+
+ // Update the database. The last argument is `null` because there are no `whereArgs`.
+ bookmarksDatabase.update(BOOKMARKS_TABLE, bookmarkContentValues, _ID + " = " + databaseId, null);
+
+ // Close the database handle.
+ bookmarksDatabase.close();
+ }
+
+ public void updateBookmark(int databaseId, String bookmarkName, String bookmarkUrl, byte[] favoriteIcon) {
+ // Store the updated values in `bookmarkContentValues`.
+ ContentValues bookmarkContentValues = new ContentValues();
+
+ bookmarkContentValues.put(BOOKMARK_NAME, bookmarkName);
+ bookmarkContentValues.put(BOOKMARK_URL, bookmarkUrl);
+ bookmarkContentValues.put(FAVORITE_ICON, favoriteIcon);
+
+ // Get a writable database handle.
+ SQLiteDatabase bookmarksDatabase = this.getWritableDatabase();
+
+ // Update the database. The last argument is `null` because there are no `whereArgs`.
+ bookmarksDatabase.update(BOOKMARKS_TABLE, bookmarkContentValues, _ID + " = " + databaseId, null);
+
+ // Close the database handle.
+ bookmarksDatabase.close();
+ }
+
+ public void updateBookmarkDisplayOrder(int databaseId, int displayOrder) {
+ // Store the updated values in `bookmarkContentValues`.
+ ContentValues bookmarkContentValues = new ContentValues();
+
+ bookmarkContentValues.put(DISPLAY_ORDER, displayOrder);
+
+ // Get a writable database handle.
+ SQLiteDatabase bookmarksDatabase = this.getWritableDatabase();
+
+ // Update the database. The last argument is `null` because there are no `whereArgs`.
+ bookmarksDatabase.update(BOOKMARKS_TABLE, bookmarkContentValues, _ID + " = " + databaseId, null);
+
+ // Close the database handle.
+ bookmarksDatabase.close();
+ }
+
+ public void deleteBookmark(int databaseId) {
+ // Get a writable database handle.
+ SQLiteDatabase bookmarksDatabase = this.getWritableDatabase();
+
+ // Deletes the row with the given databaseId. The last argument is null because we don't need additional parameters.
+ bookmarksDatabase.delete(BOOKMARKS_TABLE, _ID + " = " + databaseId, null);
+
+ // Close the database handle.
+ bookmarksDatabase.close();
+ }
+}
\ No newline at end of file