/* * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.micode.notes.data; import android.net.Uri; /** * Notes类,定义了与笔记应用相关的常量和数据结构。 */ public class Notes { // 内容提供者(Content Provider)的权威名称 public static final String AUTHORITY = "micode_notes"; // 日志标签,用于在日志输出中标识来自此类的消息 public static final String TAG = "Notes"; // 定义笔记类型的常量 public static final int TYPE_NOTE = 0; // 普通笔记类型 public static final int TYPE_FOLDER = 1; // 文件夹类型 public static final int TYPE_SYSTEM = 2; // 系统类型(可能用于特殊的系统笔记或文件夹) /** * 以下ID是系统文件夹的标识符。 * 这些常量用于在数据库中唯一标识特定的系统文件夹。 */ public static final int ID_ROOT_FOLDER = 0; // 根文件夹的ID,通常是默认的文件夹 public static final int ID_TEMPARAY_FOLDER = -1; // 临时文件夹的ID,用于存放不属于任何文件夹的笔记 public static final int ID_CALL_RECORD_FOLDER = -2; // 通话记录文件夹的ID,用于存储通话记录相关的笔记 public static final int ID_TRASH_FOLER = -3; // 垃圾文件夹的ID,可能用于存放被删除的笔记 // 注意:此类可能还需要其他方法和属性来支持笔记应用的功能, // 例如,可能包含用于构建URI、查询数据库等的方法。 // 但根据当前提供的代码,以上是对现有代码的详细注释。 } // 定义一系列用于Intent传递的额外数据的键名 public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; // 用于传递提醒日期的键名 public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; // 用于传递背景颜色ID的键名 public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; // 用于传递小部件ID的键名 public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; // 用于传递小部件类型的键名 public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; // 用于传递文件夹ID的键名 public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; // 用于传递通话日期的键名 // 定义小部件类型的常量 public static final int TYPE_WIDGET_INVALIDE = -1; // 无效的小部件类型 public static final int TYPE_WIDGET_2X = 0; // 2x2大小的小部件类型 public static final int TYPE_WIDGET_4X = 1; // 4x4大小的小部件类型 // 定义一个内部类来组织数据相关的常量 public static class DataConstants { // 笔记和通话记录的内容类型(MIME类型) public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; // 普通笔记的内容类型 public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; // 通话记录笔记的内容类型 // 注意:TextNote和CallNote应该是定义了CONTENT_ITEM_TYPE常量的类, // 这些常量通常用于内容提供者(Content Provider)中,以标识不同的数据类型。 } // 此处应定义一个Uri类型的常量,但由于原始代码未给出具体Uri,所以此处仅为说明性注释。 // public static final Uri CONTENT_URI_ALL_NOTES_AND_FOLDERS = Uri.parse("content://micode_notes/notes_and_folders"); /** * Uri to query all notes and folders */ public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); /** * Uri to query data */ public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); public interface NoteColumns { /** * The unique ID for a row *
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"; } // 定义一个静态内部类TextNote,它实现了DataColumns接口(假设DataColumns接口定义了一些与数据列相关的常量或方法) public static final class TextNote implements DataColumns { /** * 用于指示文本是否处于检查列表模式的字段名。 *类型:整数。1表示检查列表模式,0表示普通模式。
* 这个字段在数据库中用于存储笔记的显示模式, * 检查列表模式可能意味着笔记以带有复选框的列表形式显示, * 而普通模式则是普通的文本笔记。 */ public static final String MODE = DATA1; // 假设DATA1是在DataColumns接口中定义的某个常量,表示数据库中的一列 // 检查列表模式的常量值 public static final int MODE_CHECK_LIST = 1; // 表示检查列表模式 // (可以隐含地,MODE_NORMAL = 0,表示普通模式,虽然没有显式定义) /** * 文本笔记的内容类型(MIME类型),用于表示一组文本笔记的集合。 * 这个类型通常用于内容提供者(Content Provider)中, * 以标识可以返回多个文本笔记的查询结果。 */ public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; /** * 文本笔记的单个项的内容类型(MIME类型),用于表示一个具体的文本笔记。 * 这个类型也用于内容提供者中,但它是用来标识单个文本笔记的。 */ public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; /** * 文本笔记的内容URI,用于通过内容提供者访问文本笔记数据。 * 这个URI是构建在应用的内容提供者权威名称(AUTHORITY)之上的, * 并且指向文本笔记的数据表(或集合)。 */ public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); // 注意:AUTHORITY应该是一个在应用的某个地方定义的常量,表示内容提供者的权威名称。 } 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"); } }