From a6c2afb0039f5eb9817c1f167aabb2485389f5f1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=96=B0=E5=8D=8E?= <2997433321@qq.com> Date: Mon, 22 Jan 2024 15:14:26 +0800 Subject: [PATCH] =?UTF-8?q?/*=20=20*=20Description=EF=BC=9A=E7=94=A8?= =?UTF-8?q?=E4=BA=8E=E6=94=AF=E6=8C=81=E5=B0=8F=E7=B1=B3=E4=BE=BF=E7=AD=BE?= =?UTF-8?q?=E6=9C=80=E5=BA=95=E5=B1=82=E7=9A=84=E6=95=B0=E6=8D=AE=E5=BA=93?= =?UTF-8?q?=E7=9B=B8=E5=85=B3=E6=93=8D=E4=BD=9C=EF=BC=8C=E5=92=8Csqldata?= =?UTF-8?q?=E7=9A=84=E5=85=B3=E7=B3=BB=E4=B8=8A=E6=98=AF=E7=88=B6=E9=9B=86?= =?UTF-8?q?=E5=85=B3=E7=B3=BB=EF=BC=8C=E5=8D=B3note=E6=98=AFdata=E7=9A=84?= =?UTF-8?q?=E5=AD=90=E7=88=B6=E9=9B=86=E3=80=82=20=20*=20=E5=92=8CSqlData?= =?UTF-8?q?=E7=9B=B8=E6=AF=94=EF=BC=8CSqlNote=E7=AE=97=E6=98=AF=E7=9C=9F?= =?UTF-8?q?=E6=AD=A3=E6=84=8F=E4=B9=89=E4=B8=8A=E7=9A=84=E6=95=B0=E6=8D=AE?= =?UTF-8?q?=E4=BA=86=E3=80=82=20=20*/?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit package net.micode.notes.gtask.data; /* * 功能描述： * 实现过程： * 参数注解： * Made By CuiCan */ public class SqlNote { /* * 功能描述：得到类的简写名称存入字符串TAG中 * 实现过程：调用getSimpleName ()函数 * Made By CuiCan */ private static final String TAG = SqlNote.class.getSimpleName(); private static final int INVALID_ID = -99999; // 集合了interface NoteColumns中所有SF常量（17个） public static final String[] PROJECTION_NOTE = new String[] { NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, NoteColumns.NOTES_COUNT, NoteColumns.PARENT_ID, NoteColumns.SNIPPET, NoteColumns.TYPE, NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, NoteColumns.SYNC_ID, NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID, NoteColumns.VERSION }; //以下设置17个列的编号 public static final int ID_COLUMN = 0; public static final int ALERTED_DATE_COLUMN = 1; public static final int BG_COLOR_ID_COLUMN = 2; public static final int CREATED_DATE_COLUMN = 3; public static final int HAS_ATTACHMENT_COLUMN = 4; public static final int MODIFIED_DATE_COLUMN = 5; public static final int NOTES_COUNT_COLUMN = 6; public static final int PARENT_ID_COLUMN = 7; public static final int SNIPPET_COLUMN = 8; public static final int TYPE_COLUMN = 9; public static final int WIDGET_ID_COLUMN = 10; public static final int WIDGET_TYPE_COLUMN = 11; public static final int SYNC_ID_COLUMN = 12; public static final int LOCAL_MODIFIED_COLUMN = 13; public static final int ORIGIN_PARENT_ID_COLUMN = 14; public static final int GTASK_ID_COLUMN = 15; public static final int VERSION_COLUMN = 16; //一下定义了17个内部的变量，其中12个可以由content中获得，5个需要初始化为0或者new private Context mContext; private ContentResolver mContentResolver; private boolean mIsCreate; private long mId; private long mAlertDate; private int mBgColorId; private long mCreatedDate; private int mHasAttachment; private long mModifiedDate; private long mParentId; private String mSnippet; private int mType; private int mWidgetId; private int mWidgetType; private long mOriginParent; private long mVersion; private ContentValues mDiffNoteValues; private ArrayList mDataList; /* * 功能描述：构造函数 * 参数注解： mIsCreate用于标示构造方式 * 参数注解： * Made By CuiCan */ //构造函数只有context，对所有的变量进行初始化 public SqlNote(Context context) { mContext = context; mContentResolver = context.getContentResolver(); mIsCreate = true; mId = INVALID_ID; mAlertDate = 0; mBgColorId = ResourceParser.getDefaultBgId(context); mCreatedDate = System.currentTimeMillis();//调用系统函数获得创建时间 mHasAttachment = 0; mModifiedDate = System.currentTimeMillis();//最后一次修改时间初始化为创建时间 mParentId = 0; mSnippet = ""; mType = Notes.TYPE_NOTE; mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; mWidgetType = Notes.TYPE_WIDGET_INVALIDE; mOriginParent = 0; mVersion = 0; mDiffNoteValues = new ContentValues(); mDataList = new ArrayList(); } /* * 功能描述：构造函数 * 参数注解： mIsCreate用于标示构造方式 * 参数注解： * Made By CuiCan */ //构造函数有context和一个数据库的cursor，多数变量通过cursor指向的一条记录直接进行初始化 public SqlNote(Context context, Cursor c) { mContext = context; mContentResolver = context.getContentResolver(); mIsCreate = false; loadFromCursor(c); mDataList = new ArrayList(); // if (mType == Notes.TYPE_NOTE) loadDataContent(); mDiffNoteValues = new ContentValues(); } /* * 功能描述：构造函数 * 参数注解： mIsCreate用于标示构造方式 * 参数注解： * Made By CuiCan */ public SqlNote(Context context, long id) { mContext = context; mContentResolver = context.getContentResolver(); mIsCreate = false; loadFromCursor(id); mDataList = new ArrayList(); if (mType == Notes.TYPE_NOTE) loadDataContent(); mDiffNoteValues = new ContentValues(); } /* * 功能描述：通过id从光标处加载数据 * Made By CuiCan */ private void loadFromCursor(long id) { Cursor c = null; try { c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", new String[] { String.valueOf(id) }, null);//通过id获得对应的ContentResolver中的cursor if (c != null) { c.moveToNext(); loadFromCursor(c);//然后加载数据进行初始化，这样函数 //SqlNote(Context context, long id)与SqlNote(Context context, long id)的实现方式基本相同 } else { Log.w(TAG, "loadFromCursor: cursor = null"); } } finally { if (c != null) c.close(); } } /* * 功能描述：通过游标从光标处加载数据 * Made By CuiCan */ private void loadFromCursor(Cursor c) { //直接从一条记录中的获得以下变量的初始值 mId = c.getLong(ID_COLUMN); mAlertDate = c.getLong(ALERTED_DATE_COLUMN); mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); mCreatedDate = c.getLong(CREATED_DATE_COLUMN); mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN); mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN); mParentId = c.getLong(PARENT_ID_COLUMN); mSnippet = c.getString(SNIPPET_COLUMN); mType = c.getInt(TYPE_COLUMN); mWidgetId = c.getInt(WIDGET_ID_COLUMN); mWidgetType = c.getInt(WIDGET_TYPE_COLUMN); mVersion = c.getLong(VERSION_COLUMN); } /* * 功能描述：通过content机制获取共享数据并加载到数据库当前游标处 * 参数注解： * Made By CuiCan */ private void loadDataContent() { Cursor c = null; mDataList.clear(); try { c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA, "(note_id=?)", new String[] { String.valueOf(mId) }, null); if (c != null) { if (c.getCount() == 0) { Log.w(TAG, "it seems that the note has not data"); return; } while (c.moveToNext()) { SqlData data = new SqlData(mContext, c); mDataList.add(data); } } else { Log.w(TAG, "loadDataContent: cursor = null"); } } finally { if (c != null) c.close(); } } /* * 功能描述：设置通过content机制用于共享的数据信息 * 参数注解： * Made By CuiCan */ public boolean setContent(JSONObject js) { try { JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { Log.w(TAG, "cannot set system folder"); } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { // for folder we can only update the snnipet and type String snippet = note.has(NoteColumns.SNIPPET) ? note .getString(NoteColumns.SNIPPET) : ""; if (mIsCreate || !mSnippet.equals(snippet)) { mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); } mSnippet = snippet; int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) : Notes.TYPE_NOTE; if (mIsCreate || mType != type) { mDiffNoteValues.put(NoteColumns.TYPE, type); } mType = type; } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) { JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID; if (mIsCreate || mId != id) { mDiffNoteValues.put(NoteColumns.ID, id); } mId = id; long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note .getLong(NoteColumns.ALERTED_DATE) : 0; if (mIsCreate || mAlertDate != alertDate) { mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate); } mAlertDate = alertDate; int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note .getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext); if (mIsCreate || mBgColorId != bgColorId) { mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); } mBgColorId = bgColorId; long createDate = note.has(NoteColumns.CREATED_DATE) ? note .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); if (mIsCreate || mCreatedDate != createDate) { mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate); } mCreatedDate = createDate; int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note .getInt(NoteColumns.HAS_ATTACHMENT) : 0; if (mIsCreate || mHasAttachment != hasAttachment) { mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment); } mHasAttachment = hasAttachment; long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note .getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis(); if (mIsCreate || mModifiedDate != modifiedDate) { mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate); } mModifiedDate = modifiedDate; long parentId = note.has(NoteColumns.PARENT_ID) ? note .getLong(NoteColumns.PARENT_ID) : 0; if (mIsCreate || mParentId != parentId) { mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId); } mParentId = parentId; String snippet = note.has(NoteColumns.SNIPPET) ? note .getString(NoteColumns.SNIPPET) : ""; if (mIsCreate || !mSnippet.equals(snippet)) { mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); } mSnippet = snippet; int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) : Notes.TYPE_NOTE; if (mIsCreate || mType != type) { mDiffNoteValues.put(NoteColumns.TYPE, type); } mType = type; int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID) : AppWidgetManager.INVALID_APPWIDGET_ID; if (mIsCreate || mWidgetId != widgetId) { mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId); } mWidgetId = widgetId; int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note .getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE; if (mIsCreate || mWidgetType != widgetType) { mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType); } mWidgetType = widgetType; long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note .getLong(NoteColumns.ORIGIN_PARENT_ID) : 0; if (mIsCreate || mOriginParent != originParent) { mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent); } mOriginParent = originParent; for (int i = 0; i < dataArray.length(); i++) { JSONObject data = dataArray.getJSONObject(i); SqlData sqlData = null; if (data.has(DataColumns.ID)) { long dataId = data.getLong(DataColumns.ID); for (SqlData temp : mDataList) { if (dataId == temp.getId()) { sqlData = temp; } } } if (sqlData == null) { sqlData = new SqlData(mContext); mDataList.add(sqlData); } sqlData.setContent(data); } } } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); return false; } return true; } /* * 功能描述：获取content机制提供的数据并加载到note中 * 参数注解： * Made By CuiCan */ public JSONObject getContent() { try { JSONObject js = new JSONObject(); if (mIsCreate) { Log.e(TAG, "it seems that we haven't created this in database yet"); return null; } JSONObject note = new JSONObject(); if (mType == Notes.TYPE_NOTE) {//类型为note时 note.put(NoteColumns.ID, mId); note.put(NoteColumns.ALERTED_DATE, mAlertDate); note.put(NoteColumns.BG_COLOR_ID, mBgColorId); note.put(NoteColumns.CREATED_DATE, mCreatedDate); note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment); note.put(NoteColumns.MODIFIED_DATE, mModifiedDate); note.put(NoteColumns.PARENT_ID, mParentId); note.put(NoteColumns.SNIPPET, mSnippet); note.put(NoteColumns.TYPE, mType); note.put(NoteColumns.WIDGET_ID, mWidgetId); note.put(NoteColumns.WIDGET_TYPE, mWidgetType); note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent); js.put(GTaskStringUtils.META_HEAD_NOTE, note); JSONArray dataArray = new JSONArray(); for (SqlData sqlData : mDataList) { JSONObject data = sqlData.getContent(); if (data != null) { dataArray.put(data); } } js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {//类型为文件夹或者 note.put(NoteColumns.ID, mId); note.put(NoteColumns.TYPE, mType); note.put(NoteColumns.SNIPPET, mSnippet); js.put(GTaskStringUtils.META_HEAD_NOTE, note); } return js; } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); } return null; } /* * 功能描述：给当前id设置父id * 参数注解： * Made By CuiCan */ public void setParentId(long id) { mParentId = id; mDiffNoteValues.put(NoteColumns.PARENT_ID, id); } /* * 功能描述：给当前id设置Gtaskid * 参数注解： * Made By CuiCan */ public void setGtaskId(String gid) { mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); } /* * 功能描述：给当前id设置同步id * 参数注解： * Made By CuiCan */ public void setSyncId(long syncId) { mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); } /* * 功能描述：初始化本地修改，即撤销所有当前修改 * 参数注解： * Made By CuiCan */ public void resetLocalModified() { mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); } /* * 功能描述：获得当前id * 参数注解： * Made By CuiCan */ public long getId() { return mId; } /* * 功能描述：获得当前id的父id * 参数注解： * Made By CuiCan */ public long getParentId() { return mParentId; } /* * 功能描述：获取小片段即用于显示的部分便签内容 * 参数注解： * Made By CuiCan */ public String getSnippet() { return mSnippet; } /* * 功能描述：判断是否为便签类型 * 参数注解： * Made By CuiCan */ public boolean isNoteType() { return mType == Notes.TYPE_NOTE; } /* * 功能描述：commit函数用于把当前造作所做的修改保存到数据库 * 参数注解： * Made By CuiCan */ public void commit(boolean validateVersion) { if (mIsCreate) { if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { mDiffNoteValues.remove(NoteColumns.ID); } Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues); try { 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"); } if (mId == 0) { throw new IllegalStateException("Create thread id failed"); } if (mType == Notes.TYPE_NOTE) { for (SqlData sqlData : mDataList) {//直接使用sqldata中的实现 sqlData.commit(mId, false, -1); } } } else { 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 ++; int result = 0; if (!validateVersion) {//构造字符串 result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + NoteColumns.ID + "=?)", new String[] { String.valueOf(mId) }); } else { result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)", new String[] { String.valueOf(mId), String.valueOf(mVersion) }); } if (result == 0) { Log.w(TAG, "there is no update. maybe user updates note when syncing"); } } if (mType == Notes.TYPE_NOTE) { for (SqlData sqlData : mDataList) { sqlData.commit(mId, validateVersion, mVersion); } } } // refresh local info loadFromCursor(mId); if (mType == Notes.TYPE_NOTE) loadDataContent(); mDiffNoteValues.clear(); mIsCreate = false; } } --- .../net/micode/notes/gtask/data/SqlData.java | 692 ++++++++++++++---- 1 file changed, 540 insertions(+), 152 deletions(-) diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/data/SqlData.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/data/SqlData.java index d3ec3be..9d26bbb 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/data/SqlData.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/data/SqlData.java @@ -1,189 +1,577 @@ /* - * 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. + * Description：用于支持小米便签最底层的数据库相关操作，和sqldata的关系上是父集关系，即note是data的子父集。 + * 和SqlData相比，SqlNote算是真正意义上的数据了。 */ - + package net.micode.notes.gtask.data; - -import android.content.ContentResolver; -import android.content.ContentUris; -import android.content.ContentValues; -import android.content.Context; -import android.database.Cursor; -import android.net.Uri; -import android.util.Log; - -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.DataConstants; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.data.NotesDatabaseHelper.TABLE; -import net.micode.notes.gtask.exception.ActionFailureException; - -import org.json.JSONException; -import org.json.JSONObject; - - -public class SqlData { - private static final String TAG = SqlData.class.getSimpleName(); - +/* + * 功能描述： + * 实现过程： + * 参数注解： + * Made By CuiCan + */ + +public class SqlNote { + /* + * 功能描述：得到类的简写名称存入字符串TAG中 + * 实现过程：调用getSimpleName ()函数 + * Made By CuiCan + */ + private static final String TAG = SqlNote.class.getSimpleName(); + private static final int INVALID_ID = -99999; - - public static final String[] PROJECTION_DATA = new String[] { - DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, - DataColumns.DATA3 + // 集合了interface NoteColumns中所有SF常量（17个） + public static final String[] PROJECTION_NOTE = new String[] { + NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, + NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, + NoteColumns.NOTES_COUNT, NoteColumns.PARENT_ID, NoteColumns.SNIPPET, NoteColumns.TYPE, + NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, NoteColumns.SYNC_ID, + NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID, + NoteColumns.VERSION }; - - public static final int DATA_ID_COLUMN = 0; - - public static final int DATA_MIME_TYPE_COLUMN = 1; - - public static final int DATA_CONTENT_COLUMN = 2; - - public static final int DATA_CONTENT_DATA_1_COLUMN = 3; - - public static final int DATA_CONTENT_DATA_3_COLUMN = 4; - + + //以下设置17个列的编号 + public static final int ID_COLUMN = 0; + + public static final int ALERTED_DATE_COLUMN = 1; + + public static final int BG_COLOR_ID_COLUMN = 2; + + public static final int CREATED_DATE_COLUMN = 3; + + public static final int HAS_ATTACHMENT_COLUMN = 4; + + public static final int MODIFIED_DATE_COLUMN = 5; + + public static final int NOTES_COUNT_COLUMN = 6; + + public static final int PARENT_ID_COLUMN = 7; + + public static final int SNIPPET_COLUMN = 8; + + public static final int TYPE_COLUMN = 9; + + public static final int WIDGET_ID_COLUMN = 10; + + public static final int WIDGET_TYPE_COLUMN = 11; + + public static final int SYNC_ID_COLUMN = 12; + + public static final int LOCAL_MODIFIED_COLUMN = 13; + + public static final int ORIGIN_PARENT_ID_COLUMN = 14; + + public static final int GTASK_ID_COLUMN = 15; + + public static final int VERSION_COLUMN = 16; + + //一下定义了17个内部的变量，其中12个可以由content中获得，5个需要初始化为0或者new + private Context mContext; + private ContentResolver mContentResolver; - + private boolean mIsCreate; - - private long mDataId; - - private String mDataMimeType; - - private String mDataContent; - - private long mDataContentData1; - - private String mDataContentData3; - - private ContentValues mDiffDataValues; - - public SqlData(Context context) { + + private long mId; + + private long mAlertDate; + + private int mBgColorId; + + private long mCreatedDate; + + private int mHasAttachment; + + private long mModifiedDate; + + private long mParentId; + + private String mSnippet; + + private int mType; + + private int mWidgetId; + + private int mWidgetType; + + private long mOriginParent; + + private long mVersion; + + private ContentValues mDiffNoteValues; + + private ArrayList mDataList; + + /* + * 功能描述：构造函数 + * 参数注解： mIsCreate用于标示构造方式 + * 参数注解： + * Made By CuiCan + */ + //构造函数只有context，对所有的变量进行初始化 + public SqlNote(Context context) { + mContext = context; mContentResolver = context.getContentResolver(); mIsCreate = true; - mDataId = INVALID_ID; - mDataMimeType = DataConstants.NOTE; - mDataContent = ""; - mDataContentData1 = 0; - mDataContentData3 = ""; - mDiffDataValues = new ContentValues(); - } - - public SqlData(Context context, Cursor c) { + mId = INVALID_ID; + mAlertDate = 0; + mBgColorId = ResourceParser.getDefaultBgId(context); + mCreatedDate = System.currentTimeMillis();//调用系统函数获得创建时间 + mHasAttachment = 0; + mModifiedDate = System.currentTimeMillis();//最后一次修改时间初始化为创建时间 + mParentId = 0; + mSnippet = ""; + mType = Notes.TYPE_NOTE; + mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; + mWidgetType = Notes.TYPE_WIDGET_INVALIDE; + mOriginParent = 0; + mVersion = 0; + mDiffNoteValues = new ContentValues(); + mDataList = new ArrayList(); + } + + + /* + * 功能描述：构造函数 + * 参数注解： mIsCreate用于标示构造方式 + * 参数注解： + * Made By CuiCan + */ + //构造函数有context和一个数据库的cursor，多数变量通过cursor指向的一条记录直接进行初始化 + public SqlNote(Context context, Cursor c) { + mContext = context; mContentResolver = context.getContentResolver(); mIsCreate = false; loadFromCursor(c); - mDiffDataValues = new ContentValues(); + mDataList = new ArrayList(); + // + if (mType == Notes.TYPE_NOTE) + loadDataContent(); + mDiffNoteValues = new ContentValues(); } - - private void loadFromCursor(Cursor c) { - mDataId = c.getLong(DATA_ID_COLUMN); - mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); - mDataContent = c.getString(DATA_CONTENT_COLUMN); - mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); - mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); - } - - public void setContent(JSONObject js) throws JSONException { - long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; - if (mIsCreate || mDataId != dataId) { - mDiffDataValues.put(DataColumns.ID, dataId); - } - mDataId = dataId; - - String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE) - : DataConstants.NOTE; - if (mIsCreate || !mDataMimeType.equals(dataMimeType)) { - mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); - } - mDataMimeType = dataMimeType; - - String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : ""; - if (mIsCreate || !mDataContent.equals(dataContent)) { - mDiffDataValues.put(DataColumns.CONTENT, dataContent); + + + /* + * 功能描述：构造函数 + * 参数注解： mIsCreate用于标示构造方式 + * 参数注解： + * Made By CuiCan + */ + public SqlNote(Context context, long id) { + mContext = context; + mContentResolver = context.getContentResolver(); + mIsCreate = false; + loadFromCursor(id); + mDataList = new ArrayList(); + if (mType == Notes.TYPE_NOTE) + loadDataContent(); + mDiffNoteValues = new ContentValues(); + + } + + /* + * 功能描述：通过id从光标处加载数据 + * Made By CuiCan + */ + private void loadFromCursor(long id) { + Cursor c = null; + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", + new String[] { + String.valueOf(id) + }, null);//通过id获得对应的ContentResolver中的cursor + if (c != null) { + c.moveToNext(); + loadFromCursor(c);//然后加载数据进行初始化，这样函数 + //SqlNote(Context context, long id)与SqlNote(Context context, long id)的实现方式基本相同 + } else { + Log.w(TAG, "loadFromCursor: cursor = null"); + } + } finally { + if (c != null) + c.close(); } - mDataContent = dataContent; - - long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0; - if (mIsCreate || mDataContentData1 != dataContentData1) { - mDiffDataValues.put(DataColumns.DATA1, dataContentData1); + } + + /* + * 功能描述：通过游标从光标处加载数据 + * Made By CuiCan + */ + private void loadFromCursor(Cursor c) { + //直接从一条记录中的获得以下变量的初始值 + mId = c.getLong(ID_COLUMN); + mAlertDate = c.getLong(ALERTED_DATE_COLUMN); + mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); + mCreatedDate = c.getLong(CREATED_DATE_COLUMN); + mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN); + mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN); + mParentId = c.getLong(PARENT_ID_COLUMN); + mSnippet = c.getString(SNIPPET_COLUMN); + mType = c.getInt(TYPE_COLUMN); + mWidgetId = c.getInt(WIDGET_ID_COLUMN); + mWidgetType = c.getInt(WIDGET_TYPE_COLUMN); + mVersion = c.getLong(VERSION_COLUMN); + } + + /* + * 功能描述：通过content机制获取共享数据并加载到数据库当前游标处 + * 参数注解： + * Made By CuiCan + */ + private void loadDataContent() { + Cursor c = null; + mDataList.clear(); + try { + c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA, + "(note_id=?)", new String[] { + String.valueOf(mId) + }, null); + if (c != null) { + if (c.getCount() == 0) { + Log.w(TAG, "it seems that the note has not data"); + return; + } + while (c.moveToNext()) { + SqlData data = new SqlData(mContext, c); + mDataList.add(data); + } + } else { + Log.w(TAG, "loadDataContent: cursor = null"); + } + } finally { + if (c != null) + c.close(); } - mDataContentData1 = dataContentData1; - - String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : ""; - if (mIsCreate || !mDataContentData3.equals(dataContentData3)) { - mDiffDataValues.put(DataColumns.DATA3, dataContentData3); + } + + /* + * 功能描述：设置通过content机制用于共享的数据信息 + * 参数注解： + * Made By CuiCan + */ + public boolean setContent(JSONObject js) { + try { + JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { + Log.w(TAG, "cannot set system folder"); + } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { + // for folder we can only update the snnipet and type + String snippet = note.has(NoteColumns.SNIPPET) ? note + .getString(NoteColumns.SNIPPET) : ""; + if (mIsCreate || !mSnippet.equals(snippet)) { + mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); + } + mSnippet = snippet; + + int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) + : Notes.TYPE_NOTE; + if (mIsCreate || mType != type) { + mDiffNoteValues.put(NoteColumns.TYPE, type); + } + mType = type; + } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) { + JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID; + if (mIsCreate || mId != id) { + mDiffNoteValues.put(NoteColumns.ID, id); + } + mId = id; + + long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note + .getLong(NoteColumns.ALERTED_DATE) : 0; + if (mIsCreate || mAlertDate != alertDate) { + mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate); + } + mAlertDate = alertDate; + + int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note + .getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext); + if (mIsCreate || mBgColorId != bgColorId) { + mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); + } + mBgColorId = bgColorId; + long createDate = note.has(NoteColumns.CREATED_DATE) ? note + .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); + if (mIsCreate || mCreatedDate != createDate) { + mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate); + } + mCreatedDate = createDate; + + int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note + .getInt(NoteColumns.HAS_ATTACHMENT) : 0; + if (mIsCreate || mHasAttachment != hasAttachment) { + mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment); + } + mHasAttachment = hasAttachment; + + long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note + .getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis(); + if (mIsCreate || mModifiedDate != modifiedDate) { + mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate); + } + mModifiedDate = modifiedDate; + + long parentId = note.has(NoteColumns.PARENT_ID) ? note + .getLong(NoteColumns.PARENT_ID) : 0; + if (mIsCreate || mParentId != parentId) { + mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId); + } + mParentId = parentId; + + String snippet = note.has(NoteColumns.SNIPPET) ? note + .getString(NoteColumns.SNIPPET) : ""; + if (mIsCreate || !mSnippet.equals(snippet)) { + mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); + } + mSnippet = snippet; + + int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) + : Notes.TYPE_NOTE; + if (mIsCreate || mType != type) { + mDiffNoteValues.put(NoteColumns.TYPE, type); + } + mType = type; + + int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID) + : AppWidgetManager.INVALID_APPWIDGET_ID; + if (mIsCreate || mWidgetId != widgetId) { + mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId); + } + mWidgetId = widgetId; + + int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note + .getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE; + if (mIsCreate || mWidgetType != widgetType) { + mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType); + } + mWidgetType = widgetType; + + long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note + .getLong(NoteColumns.ORIGIN_PARENT_ID) : 0; + if (mIsCreate || mOriginParent != originParent) { + mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent); + } + mOriginParent = originParent; + + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + SqlData sqlData = null; + if (data.has(DataColumns.ID)) { + long dataId = data.getLong(DataColumns.ID); + for (SqlData temp : mDataList) { + if (dataId == temp.getId()) { + sqlData = temp; + } + } + } + + if (sqlData == null) { + sqlData = new SqlData(mContext); + mDataList.add(sqlData); + } + + sqlData.setContent(data); + } + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return false; } - mDataContentData3 = dataContentData3; + return true; } - - public JSONObject getContent() throws JSONException { - if (mIsCreate) { - Log.e(TAG, "it seems that we haven't created this in database yet"); - return null; + + /* + * 功能描述：获取content机制提供的数据并加载到note中 + * 参数注解： + * Made By CuiCan + */ + public JSONObject getContent() { + try { + JSONObject js = new JSONObject(); + + if (mIsCreate) { + Log.e(TAG, "it seems that we haven't created this in database yet"); + return null; + } + + JSONObject note = new JSONObject(); + if (mType == Notes.TYPE_NOTE) {//类型为note时 + note.put(NoteColumns.ID, mId); + note.put(NoteColumns.ALERTED_DATE, mAlertDate); + note.put(NoteColumns.BG_COLOR_ID, mBgColorId); + note.put(NoteColumns.CREATED_DATE, mCreatedDate); + note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment); + note.put(NoteColumns.MODIFIED_DATE, mModifiedDate); + note.put(NoteColumns.PARENT_ID, mParentId); + note.put(NoteColumns.SNIPPET, mSnippet); + note.put(NoteColumns.TYPE, mType); + note.put(NoteColumns.WIDGET_ID, mWidgetId); + note.put(NoteColumns.WIDGET_TYPE, mWidgetType); + note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent); + js.put(GTaskStringUtils.META_HEAD_NOTE, note); + + JSONArray dataArray = new JSONArray(); + for (SqlData sqlData : mDataList) { + JSONObject data = sqlData.getContent(); + if (data != null) { + dataArray.put(data); + } + } + js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); + } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {//类型为文件夹或者 + note.put(NoteColumns.ID, mId); + note.put(NoteColumns.TYPE, mType); + note.put(NoteColumns.SNIPPET, mSnippet); + js.put(GTaskStringUtils.META_HEAD_NOTE, note); + } + + return js; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); } - JSONObject js = new JSONObject(); - js.put(DataColumns.ID, mDataId); - js.put(DataColumns.MIME_TYPE, mDataMimeType); - js.put(DataColumns.CONTENT, mDataContent); - js.put(DataColumns.DATA1, mDataContentData1); - js.put(DataColumns.DATA3, mDataContentData3); - return js; - } - - public void commit(long noteId, boolean validateVersion, long version) { - + return null; + } + + /* + * 功能描述：给当前id设置父id + * 参数注解： + * Made By CuiCan + */ + public void setParentId(long id) { + mParentId = id; + mDiffNoteValues.put(NoteColumns.PARENT_ID, id); + } + + /* + * 功能描述：给当前id设置Gtaskid + * 参数注解： + * Made By CuiCan + */ + public void setGtaskId(String gid) { + mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); + } + + /* + * 功能描述：给当前id设置同步id + * 参数注解： + * Made By CuiCan + */ + public void setSyncId(long syncId) { + mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); + } + + /* + * 功能描述：初始化本地修改，即撤销所有当前修改 + * 参数注解： + * Made By CuiCan + */ + public void resetLocalModified() { + mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); + } + + /* + * 功能描述：获得当前id + * 参数注解： + * Made By CuiCan + */ + public long getId() { + return mId; + } + + /* + * 功能描述：获得当前id的父id + * 参数注解： + * Made By CuiCan + */ + public long getParentId() { + return mParentId; + } + + /* + * 功能描述：获取小片段即用于显示的部分便签内容 + * 参数注解： + * Made By CuiCan + */ + public String getSnippet() { + return mSnippet; + } + + /* + * 功能描述：判断是否为便签类型 + * 参数注解： + * Made By CuiCan + */ + public boolean isNoteType() { + return mType == Notes.TYPE_NOTE; + } + + /* + * 功能描述：commit函数用于把当前造作所做的修改保存到数据库 + * 参数注解： + * Made By CuiCan + */ + public void commit(boolean validateVersion) { if (mIsCreate) { - if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { - mDiffDataValues.remove(DataColumns.ID); + if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { + mDiffNoteValues.remove(NoteColumns.ID); } - - mDiffDataValues.put(DataColumns.NOTE_ID, noteId); - Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); + + Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues); try { - mDataId = Long.valueOf(uri.getPathSegments().get(1)); + 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"); } + if (mId == 0) { + throw new IllegalStateException("Create thread id failed"); + } + + if (mType == Notes.TYPE_NOTE) { + for (SqlData sqlData : mDataList) {//直接使用sqldata中的实现 + sqlData.commit(mId, false, -1); + } + } } else { - if (mDiffDataValues.size() > 0) { + 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 ++; int result = 0; - if (!validateVersion) { - result = mContentResolver.update(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); + if (!validateVersion) {//构造字符串 + result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + + NoteColumns.ID + "=?)", new String[] { + String.valueOf(mId) + }); } else { - result = mContentResolver.update(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, - " ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE - + " WHERE " + NoteColumns.VERSION + "=?)", new String[] { - String.valueOf(noteId), String.valueOf(version) + result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)", + new String[] { + String.valueOf(mId), String.valueOf(mVersion) }); } if (result == 0) { Log.w(TAG, "there is no update. maybe user updates note when syncing"); } } + + if (mType == Notes.TYPE_NOTE) { + for (SqlData sqlData : mDataList) { + sqlData.commit(mId, validateVersion, mVersion); + } + } } - - mDiffDataValues.clear(); + + // refresh local info + loadFromCursor(mId); + if (mType == Notes.TYPE_NOTE) + loadDataContent(); + + mDiffNoteValues.clear(); mIsCreate = false; } - - public long getId() { - return mDataId; - } -} +} \ No newline at end of file