|
|
/*
|
|
|
* 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.gtask.data;
|
|
|
|
|
|
import android.appwidget.AppWidgetManager;
|
|
|
import android.content.ContentResolver;
|
|
|
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.NoteColumns;
|
|
|
import net.micode.notes.gtask.exception.ActionFailureException;
|
|
|
import net.micode.notes.tool.GTaskStringUtils;
|
|
|
import net.micode.notes.tool.ResourceParser;
|
|
|
|
|
|
import org.json.JSONArray;
|
|
|
import org.json.JSONException;
|
|
|
import org.json.JSONObject;
|
|
|
|
|
|
import java.util.ArrayList;
|
|
|
|
|
|
|
|
|
public class SqlNote {//调用getSimpleName ()函数得到类的简写名称存入字符串TAG中
|
|
|
private static final String TAG = SqlNote.class.getSimpleName();
|
|
|
//语句：调用getSimpleName()函数将类的简写名称存到字符串TAG中
|
|
|
private static final int INVALID_ID = -99999;
|
|
|
|
|
|
public static final String[] PROJECTION_NOTE = new String[] {//集合了interface NoteColumns中所有SF常量（17个）
|
|
|
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
|
|
|
};
|
|
|
//定义每列的属性：
|
|
|
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;
|
|
|
|
|
|
private Context mContext;//以下定义了17个内部变量，其中12个可以由content获得，5个需要初始化为0或者new
|
|
|
|
|
|
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<SqlData> mDataList;
|
|
|
//SqlNote第一种构造方法，只通过上下文context构造
|
|
|
public SqlNote(Context context) {//构造函数参数只有context，对所有的变量进行初始化
|
|
|
mContext = context;
|
|
|
mContentResolver = context.getContentResolver();
|
|
|
mIsCreate = true;//对象不存在，是要新建的
|
|
|
mId = INVALID_ID;//无效用户
|
|
|
mAlertDate = 0;
|
|
|
mBgColorId = ResourceParser.getDefaultBgId(context);//系统默认背景
|
|
|
mCreatedDate = System.currentTimeMillis();//调用系统函数获取创建时间
|
|
|
mHasAttachment = 0;
|
|
|
mModifiedDate = System.currentTimeMillis();
|
|
|
mParentId = 0;
|
|
|
mSnippet = "";
|
|
|
mType = Notes.TYPE_NOTE;
|
|
|
mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;//控件Id初始化
|
|
|
mWidgetType = Notes.TYPE_WIDGET_INVALIDE;//控件类型初始化
|
|
|
mOriginParent = 0;
|
|
|
mVersion = 0;
|
|
|
mDiffNoteValues = new ContentValues();//新建一个NoteValues值，用来记录改变的values
|
|
|
mDataList = new ArrayList<SqlData>();// 新建一个data的列表
|
|
|
}
|
|
|
|
|
|
public SqlNote(Context context, Cursor c) {//构造函数有context和一个数据库的cursor两个参数，多数变量通过cursor指向的一条记录直接进行初始化
|
|
|
mContext = context;
|
|
|
mContentResolver = context.getContentResolver();
|
|
|
mIsCreate = false;
|
|
|
loadFromCursor(c);
|
|
|
mDataList = new ArrayList<SqlData>();
|
|
|
if (mType == Notes.TYPE_NOTE)//如果是note类型，则调用下面的 loadDataContent()函数，加载数据内容
|
|
|
loadDataContent();
|
|
|
mDiffNoteValues = new ContentValues();
|
|
|
}
|
|
|
|
|
|
public SqlNote(Context context, long id) {//构造函数，两个参数
|
|
|
mContext = context;
|
|
|
mContentResolver = context.getContentResolver();
|
|
|
mIsCreate = false;
|
|
|
loadFromCursor(id);//调用下面的 loadFromCursor函数，通过ID从光标处加载数据
|
|
|
mDataList = new ArrayList<SqlData>();
|
|
|
if (mType == Notes.TYPE_NOTE)//如果是数据是便签类型，则加载数据内容
|
|
|
loadDataContent();
|
|
|
mDiffNoteValues = new ContentValues();
|
|
|
|
|
|
}
|
|
|
//通过id从cursor加载数据
|
|
|
private void loadFromCursor(long id) {//通过id从光标处加载数据
|
|
|
Cursor c = null;
|
|
|
try {//通过try避免异常
|
|
|
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
|
|
|
new String[] {
|
|
|
String.valueOf(id)
|
|
|
}, null);//如果获取成功，则cursor移动到下一条记录，并加载该记录
|
|
|
if (c != null) {//代码块：如果有内容就将移入文档，并再次等待光标的内容
|
|
|
c.moveToNext();
|
|
|
loadFromCursor(c);
|
|
|
} else {
|
|
|
Log.w(TAG, "loadFromCursor: cursor = null");
|
|
|
}
|
|
|
} finally {
|
|
|
if (c != null)
|
|
|
c.close();
|
|
|
}
|
|
|
}
|
|
|
//通过cursor从cursor处加载数据
|
|
|
private void loadFromCursor(Cursor c) {//通过游标从光标处加载数据
|
|
|
mId = c.getLong(ID_COLUMN);//直接从一条记录中的获得以下变量的初始值
|
|
|
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);
|
|
|
}
|
|
|
//取ID对应content内容，如果查询到该note的id确实有对应项，即cursor有对应，获取ID对应content内容
|
|
|
private void loadDataContent() {//通过content机制获取共享数据并加载到数据库当前游标处
|
|
|
Cursor c = null;
|
|
|
mDataList.clear();
|
|
|
try {//获取ID对应content内容
|
|
|
c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,//获得该ID对应的数据内容
|
|
|
"(note_id=?)", new String[] {
|
|
|
String.valueOf(mId)
|
|
|
}, null);
|
|
|
if (c != null) {//如果光标处无内容，提示note无数据warning
|
|
|
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);//将获取数据存入数据表
|
|
|
mDataList.add(data);
|
|
|
}
|
|
|
} else {
|
|
|
Log.w(TAG, "loadDataContent: cursor = null");
|
|
|
}
|
|
|
} finally {
|
|
|
if (c != null)
|
|
|
c.close();
|
|
|
}
|
|
|
}
|
|
|
//设置content共享信息
|
|
|
public boolean setContent(JSONObject js) {//设置通过content机制用于共享的数据信息
|
|
|
try {
|
|
|
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
|
|
|
if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {//不能设置系统文件
|
|
|
Log.w(TAG, "cannot set system folder");
|
|
|
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {//文件夹只能更新摘要和类型
|
|
|
// for folder we can only update the snnipet and type
|
|
|
String snippet = note.has(NoteColumns.SNIPPET) ? note//如果共享数据存在摘要，则将其赋给声明的 snippet变量，否则变量为空
|
|
|
.getString(NoteColumns.SNIPPET) : "";
|
|
|
if (mIsCreate || !mSnippet.equals(snippet)) {/如果没有创建或者该摘要没有匹配原摘要则将其加入解析器
|
|
|
mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
|
|
|
}
|
|
|
mSnippet = snippet;
|
|
|
|
|
|
int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE)
|
|
|
: Notes.TYPE_NOTE;//以下操作都和上面对snippet的操作一样，一起根据共享的数据设置SqlNote内容的上述17项
|
|
|
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;//将该ID覆盖原ID
|
|
|
|
|
|
long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note//获取数据的提醒日期
|
|
|
.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//获取数据的背景颜色
|
|
|
.getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext);
|
|
|
if (mIsCreate || mBgColorId != bgColorId) {
|
|
|
mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
|
|
|
}
|
|
|
mBgColorId = bgColorId;/将该背景颜色覆盖原背景颜色
|
|
|
|
|
|
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//对附件操作
|
|
|
.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//对最近修改日期操作
|
|
|
.getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis();
|
|
|
if (mIsCreate || mModifiedDate != modifiedDate) {
|
|
|
mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate);
|
|
|
}
|
|
|
mModifiedDate = modifiedDate;//将该父节点ID覆盖原父节点ID
|
|
|
|
|
|
long parentId = note.has(NoteColumns.PARENT_ID) ? note
|
|
|
.getLong(NoteColumns.PARENT_ID) : 0;
|
|
|
if (mIsCreate || mParentId != parentId) {//如果只是通过上下文对note进行数据库操作，或者该文本片段与原文本片段不相同，
|
|
|
mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId);
|
|
|
}
|
|
|
mParentId = parentId;
|
|
|
|
|
|
String snippet = note.has(NoteColumns.SNIPPET) ? note//如果只是通过上下文对note进行数据库操作，或者该文本片段与原文本片段不相同
|
|
|
.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)//对类型操作
|
|
|
: Notes.TYPE_NOTE;
|
|
|
if (mIsCreate || mType != type) {//如果只是通过上下文对note进行数据库操作，或者该文件类型与原文件类型不相同
|
|
|
mDiffNoteValues.put(NoteColumns.TYPE, type);
|
|
|
}
|
|
|
mType = type;
|
|
|
|
|
|
int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID)//对控件操作
|
|
|
: AppWidgetManager.INVALID_APPWIDGET_ID;
|
|
|
if (mIsCreate || mWidgetId != widgetId) {//如果只是通过上下文对note进行数据库操作，或者该小部件ID与原小部件ID不相同
|
|
|
mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId);
|
|
|
}
|
|
|
mWidgetId = widgetId;
|
|
|
|
|
|
int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note//获取数据的小部件种类
|
|
|
.getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE;
|
|
|
if (mIsCreate || mWidgetType != widgetType) {
|
|
|
mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType);
|
|
|
}
|
|
|
mWidgetType = widgetType;//将该小部件种类覆盖原小部件种类
|
|
|
|
|
|
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;//将该原始父文件夹ID覆盖原原始父文件夹ID
|
|
|
|
|
|
for (int i = 0; i < dataArray.length(); i++) {//遍历 dataArray，查找 id 为 dataId 的数据
|
|
|
JSONObject data = dataArray.getJSONObject(i);
|
|
|
SqlData sqlData = null;
|
|
|
if (data.has(DataColumns.ID)) {//该数据ID对应的数据如果存在，将对应的数据存在数据库中
|
|
|
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);//最后为数据库数据进行设置
|
|
|
}
|
|
|
}
|
|
|
} catch (JSONException e) {//出现JSONException时，日志显示错误，同时打印堆栈轨迹
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
return false;
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
public JSONObject getContent() {//获取content机制提供的数据并加载到note中
|
|
|
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();//新建变量note用于传输共享数据
|
|
|
if (mType == Notes.TYPE_NOTE) {
|
|
|
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) {//将note中的data全部存入JSONArray中
|
|
|
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) {//folder类型或system类型
|
|
|
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) {//捕获json类型异常，显示错误，打印堆栈痕迹
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
return null;
|
|
|
}
|
|
|
|
|
|
public void setParentId(long id) {//给当前id设置父id
|
|
|
mParentId = id;
|
|
|
mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
|
|
|
}
|
|
|
|
|
|
public void setGtaskId(String gid) {
|
|
|
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
|
|
|
}
|
|
|
//给当前id设置Gtaskid
|
|
|
public void setSyncId(long syncId) {
|
|
|
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
|
|
|
}
|
|
|
//给当前id设置同步id
|
|
|
public void resetLocalModified() {
|
|
|
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
|
|
|
}
|
|
|
//初始化本地修改，即撤销所有当前修改
|
|
|
public long getId() {
|
|
|
return mId;
|
|
|
}
|
|
|
//获取当前 id
|
|
|
public long getParentId() {
|
|
|
return mParentId;
|
|
|
}
|
|
|
//获得当前id的父id
|
|
|
public String getSnippet() {
|
|
|
return mSnippet;
|
|
|
}
|
|
|
//获取小片段即用于显示的部分便签内容
|
|
|
public boolean isNoteType() {
|
|
|
return mType == Notes.TYPE_NOTE;
|
|
|
}
|
|
|
//判断是否为便签类型
|
|
|
public void commit(boolean validateVersion) {//commit函数用于把当前造作所做的修改保存到数据库
|
|
|
if (mIsCreate) {
|
|
|
if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
|
|
|
mDiffNoteValues.remove(NoteColumns.ID);
|
|
|
}
|
|
|
|
|
|
Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues);//内容解析器中插入该便签的uri
|
|
|
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) {
|
|
|
sqlData.commit(mId, false, -1);
|
|
|
}
|
|
|
}
|
|
|
} else {
|
|
|
if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) {//对无效id操作
|
|
|
Log.e(TAG, "No such note");
|
|
|
throw new IllegalStateException("Try to update note with invalid id");//尝试以无效 id 更新 note
|
|
|
}
|
|
|
if (mDiffNoteValues.size() > 0) {
|
|
|
mVersion ++;
|
|
|
int result = 0;
|
|
|
if (!validateVersion) {
|
|
|
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) {//如果内容解析器没有更新，那么报错：没有更新，或许用户在同步时进行更新
|
|
|
Log.w(TAG, "there is no update. maybe user updates note when syncing");
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (mType == Notes.TYPE_NOTE) {//note 类型
|
|
|
for (SqlData sqlData : mDataList) {
|
|
|
sqlData.commit(mId, validateVersion, mVersion);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// refresh local info
|
|
|
loadFromCursor(mId);//通过 cursor 从当前 id 处加载数据
|
|
|
if (mType == Notes.TYPE_NOTE)
|
|
|
loadDataContent();
|
|
|
|
|
|
mDiffNoteValues.clear();
|
|
|
mIsCreate = false;//改变数据库构造模式
|
|
|
}
|
|
|
}
|
