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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.data;
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import android.net.Uri;
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/**
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* Notes类,定义了与笔记应用相关的常量和数据结构。
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*/
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public class Notes {
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// 内容提供者(Content Provider)的权威名称
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public static final String AUTHORITY = "micode_notes";
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// 日志标签,用于在日志输出中标识来自此类的消息
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public static final String TAG = "Notes";
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// 定义笔记类型的常量
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public static final int TYPE_NOTE = 0; // 普通笔记类型
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public static final int TYPE_FOLDER = 1; // 文件夹类型
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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)
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/**
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* 以下ID是系统文件夹的标识符。
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* 这些常量用于在数据库中唯一标识特定的系统文件夹。
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*/
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public static final int ID_ROOT_FOLDER = 0; // 根文件夹的ID,通常是默认的文件夹
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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
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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
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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
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// 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,
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// 例如,可能包含用于构建URI、查询数据库等的方法。
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// 但根据当前提供的代码,以上是对现有代码的详细注释。
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}
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// 定义一系列用于Intent传递的额外数据的键名
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public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; // 用于传递提醒日期的键名
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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
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public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; // 用于传递小部件ID的键名
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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
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public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; // 用于传递文件夹ID的键名
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public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; // 用于传递通话日期的键名
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// 定义小部件类型的常量
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public static final int TYPE_WIDGET_INVALIDE = -1; // 无效的小部件类型
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public static final int TYPE_WIDGET_2X = 0; // 2x2大小的小部件类型
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public static final int TYPE_WIDGET_4X = 1; // 4x4大小的小部件类型
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// 定义一个内部类来组织数据相关的常量
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public static class DataConstants {
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// 笔记和通话记录的内容类型(MIME类型)
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public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; // 普通笔记的内容类型
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public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; // 通话记录笔记的内容类型
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// 注意:TextNote和CallNote应该是定义了CONTENT_ITEM_TYPE常量的类,
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// 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。
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}
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// 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。
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// public static final Uri CONTENT_URI_ALL_NOTES_AND_FOLDERS = Uri.parse("content://micode_notes/notes_and_folders");
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/**
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* Uri to query all notes and folders
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*/
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public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
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/**
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* Uri to query data
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*/
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public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
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public interface NoteColumns {
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/**
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* The unique ID for a row
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String ID = "_id";
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/**
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* The parent's id for note or folder
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String PARENT_ID = "parent_id";
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/**
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* Created data for note or folder
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String CREATED_DATE = "created_date";
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/**
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* Latest modified date
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String MODIFIED_DATE = "modified_date";
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/**
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* Alert date
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String ALERTED_DATE = "alert_date";
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/**
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* Folder's name or text content of note
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* <P> Type: TEXT </P>
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*/
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public static final String SNIPPET = "snippet";
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/**
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* Note's widget id
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String WIDGET_ID = "widget_id";
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/**
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* Note's widget type
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String WIDGET_TYPE = "widget_type";
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/**
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* Note's background color's id
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String BG_COLOR_ID = "bg_color_id";
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/**
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* For text note, it doesn't has attachment, for multi-media
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* note, it has at least one attachment
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* <P> Type: INTEGER </P>
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*/
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public static final String HAS_ATTACHMENT = "has_attachment";
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/**
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* Folder's count of notes
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String NOTES_COUNT = "notes_count";
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/**
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* The file type: folder or note
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* <P> Type: INTEGER </P>
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*/
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public static final String TYPE = "type";
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/**
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* The last sync id
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String SYNC_ID = "sync_id";
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/**
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* Sign to indicate local modified or not
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* <P> Type: INTEGER </P>
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*/
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public static final String LOCAL_MODIFIED = "local_modified";
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/**
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* Original parent id before moving into temporary folder
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* <P> Type : INTEGER </P>
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*/
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public static final String ORIGIN_PARENT_ID = "origin_parent_id";
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/**
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* The gtask id
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* <P> Type : TEXT </P>
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*/
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public static final String GTASK_ID = "gtask_id";
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/**
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* The version code
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* <P> Type : INTEGER (long) </P>
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*/
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public static final String VERSION = "version";
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}
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public interface DataColumns {
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/**
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* The unique ID for a row
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String ID = "_id";
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/**
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* The MIME type of the item represented by this row.
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* <P> Type: Text </P>
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*/
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public static final String MIME_TYPE = "mime_type";
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/**
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* The reference id to note that this data belongs to
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String NOTE_ID = "note_id";
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/**
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* Created data for note or folder
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String CREATED_DATE = "created_date";
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/**
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* Latest modified date
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String MODIFIED_DATE = "modified_date";
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/**
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* Data's content
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* <P> Type: TEXT </P>
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*/
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public static final String CONTENT = "content";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* integer data type
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* <P> Type: INTEGER </P>
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*/
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public static final String DATA1 = "data1";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* integer data type
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* <P> Type: INTEGER </P>
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*/
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public static final String DATA2 = "data2";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* TEXT data type
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* <P> Type: TEXT </P>
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*/
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public static final String DATA3 = "data3";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* TEXT data type
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* <P> Type: TEXT </P>
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*/
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public static final String DATA4 = "data4";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* TEXT data type
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* <P> Type: TEXT </P>
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*/
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public static final String DATA5 = "data5";
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}
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// 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)
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public static final class TextNote implements DataColumns {
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/**
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* 用于指示文本是否处于检查列表模式的字段名。
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* <P>类型:整数。1表示检查列表模式,0表示普通模式。</P>
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* 这个字段在数据库中用于存储笔记的显示模式,
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* 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,
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* 而普通模式则是普通的文本笔记。
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*/
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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
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// 检查列表模式的常量值
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public static final int MODE_CHECK_LIST = 1; // 表示检查列表模式
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// (可以隐含地,MODE_NORMAL = 0,表示普通模式,虽然没有显式定义)
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/**
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* 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。
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* 这个类型通常用于内容提供者(Content Provider)中,
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* 以标识可以返回多个文本笔记的查询结果。
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*/
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
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/**
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* 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。
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* 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。
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*/
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
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/**
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* 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。
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* 这个URI是构建在应用的内容提供者权威名称(AUTHORITY)之上的,
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* 并且指向文本笔记的数据表(或集合)。
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*/
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
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// 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。
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}
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public static final class CallNote implements DataColumns {
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/**
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* Call date for this record
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String CALL_DATE = DATA1;
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/**
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* Phone number for this record
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* <P> Type: TEXT </P>
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*/
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public static final String PHONE_NUMBER = DATA3;
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
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}
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}
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