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note

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pull/5/head
owo193 3 weeks ago
parent 7a19f21cd9
commit 4d0978f5b0
1 changed files with 111 additions and 58 deletions
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169
src/net/micode/notes/model/Note.java
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@ -15,6 +15,7 @@
*/ */
package net.micode.notes.model; package net.micode.notes.model;
import android.content.ContentProviderOperation; import android.content.ContentProviderOperation;
import android.content.ContentProviderResult; import android.content.ContentProviderResult;
import android.content.ContentUris; import android.content.ContentUris;
@ -33,95 +34,138 @@ import net.micode.notes.data.Notes.TextNote;
import java.util.ArrayList; import java.util.ArrayList;
// 笔记类，用于管理笔记的创建、修改和同步
public class Note { public class Note {
private ContentValues mNoteDiffValues; private ContentValues mNoteDiffValues; // 存储笔记的修改内容
private NoteData mNoteData; private NoteData mNoteData; // 存储笔记的详细数据（文本/通话等）
private static final String TAG = "Note"; private static final String TAG = "Note"; // 日志标签
/** /**
* Create a new note id for adding a new note to databases * 创建新笔记ID并插入数据库
* @param context 上下文对象
* @param folderId 父文件夹ID
* @return 新创建的笔记ID
*/ */
public static synchronized long getNewNoteId(Context context, long folderId) { public static synchronized long getNewNoteId(Context context, long folderId) {
// Create a new note in the database // 创建新笔记并插入数据库
ContentValues values = new ContentValues(); ContentValues values = new ContentValues();
long createdTime = System.currentTimeMillis(); long createdTime = System.currentTimeMillis();
values.put(NoteColumns.CREATED_DATE, createdTime); values.put(NoteColumns.CREATED_DATE, createdTime); // 创建时间
values.put(NoteColumns.MODIFIED_DATE, createdTime); values.put(NoteColumns.MODIFIED_DATE, createdTime); // 修改时间
values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); // 笔记类型
values.put(NoteColumns.LOCAL_MODIFIED, 1); values.put(NoteColumns.LOCAL_MODIFIED, 1); // 本地修改标记
values.put(NoteColumns.PARENT_ID, folderId); values.put(NoteColumns.PARENT_ID, folderId); // 父文件夹ID
Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values); Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
long noteId = 0; long noteId = 0;
try { try {
noteId = Long.valueOf(uri.getPathSegments().get(1)); noteId = Long.valueOf(uri.getPathSegments().get(1)); // 从URI中解析笔记ID
} catch (NumberFormatException e) { } catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString()); Log.e(TAG, "获取笔记ID错误:" + e.toString());
noteId = 0; noteId = 0;
} }
if (noteId == -1) { if (noteId == -1) {
throw new IllegalStateException("Wrong note id:" + noteId); throw new IllegalStateException("错误的笔记ID:" + noteId);
} }
return noteId; return noteId;
} }
// 构造函数
public Note() { public Note() {
mNoteDiffValues = new ContentValues(); mNoteDiffValues = new ContentValues();
mNoteData = new NoteData(); mNoteData = new NoteData();
} }
/**
* 设置笔记属性值
* @param key 属性键
* @param value 属性值
*/
public void setNoteValue(String key, String value) { public void setNoteValue(String key, String value) {
mNoteDiffValues.put(key, value); mNoteDiffValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地修改
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间
} }
/**
* 设置文本数据
* @param key 数据键
* @param value 数据值
*/
public void setTextData(String key, String value) { public void setTextData(String key, String value) {
mNoteData.setTextData(key, value); mNoteData.setTextData(key, value);
} }
/**
* 设置文本数据ID
* @param id 数据ID
*/
public void setTextDataId(long id) { public void setTextDataId(long id) {
mNoteData.setTextDataId(id); mNoteData.setTextDataId(id);
} }
/**
* 获取文本数据ID
* @return 文本数据ID
*/
public long getTextDataId() { public long getTextDataId() {
return mNoteData.mTextDataId; return mNoteData.mTextDataId;
} }
/**
* 设置通话数据ID
* @param id 数据ID
*/
public void setCallDataId(long id) { public void setCallDataId(long id) {
mNoteData.setCallDataId(id); mNoteData.setCallDataId(id);
} }
/**
* 设置通话数据
* @param key 数据键
* @param value 数据值
*/
public void setCallData(String key, String value) { public void setCallData(String key, String value) {
mNoteData.setCallData(key, value); mNoteData.setCallData(key, value);
} }
/**
* 检查是否有本地修改
* @return 是否有修改
*/
public boolean isLocalModified() { public boolean isLocalModified() {
return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
} }
/**
* 同步笔记到数据库
* @param context 上下文对象
* @param noteId 笔记ID
* @return 是否同步成功
*/
public boolean syncNote(Context context, long noteId) { public boolean syncNote(Context context, long noteId) {
if (noteId <= 0) { if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId); throw new IllegalArgumentException("错误的笔记ID:" + noteId);
} }
// 如果没有本地修改，直接返回成功
if (!isLocalModified()) { if (!isLocalModified()) {
return true; return true;
} }
/** /*
* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and * 理论上，只要数据有变化，就应该更新笔记的修改时间和本地修改标记
* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the * 即使更新笔记失败，我们也会继续更新笔记数据
* note data info
*/ */
if (context.getContentResolver().update( if (context.getContentResolver().update(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null, ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
null) == 0) { null) == 0) {
Log.e(TAG, "Update note error, should not happen"); Log.e(TAG, "更新笔记错误，不应该发生");
// Do not return, fall through // 不返回，继续执行
} }
mNoteDiffValues.clear(); mNoteDiffValues.clear(); // 清空修改内容
// 同步笔记数据
if (mNoteData.isLocalModified() if (mNoteData.isLocalModified()
&& (mNoteData.pushIntoContentResolver(context, noteId) == null)) { && (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
return false; return false;
@ -130,16 +174,13 @@ public class Note {
return true; return true;
} }
// 笔记数据内部类，管理文本和通话数据
private class NoteData { private class NoteData {
private long mTextDataId; private long mTextDataId; // 文本数据ID
private ContentValues mTextDataValues; // 文本数据内容
private ContentValues mTextDataValues; private long mCallDataId; // 通话数据ID
private ContentValues mCallDataValues; // 通话数据内容
private long mCallDataId; private static final String TAG = "NoteData"; // 日志标签
private ContentValues mCallDataValues;
private static final String TAG = "NoteData";
public NoteData() { public NoteData() {
mTextDataValues = new ContentValues(); mTextDataValues = new ContentValues();
@ -148,91 +189,103 @@ public class Note {
mCallDataId = 0; mCallDataId = 0;
} }
// 检查是否有本地修改
boolean isLocalModified() { boolean isLocalModified() {
return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
} }
// 设置文本数据ID
void setTextDataId(long id) { void setTextDataId(long id) {
if(id <= 0) { if(id <= 0) {
throw new IllegalArgumentException("Text data id should larger than 0"); throw new IllegalArgumentException("文本数据ID必须大于0");
} }
mTextDataId = id; mTextDataId = id;
} }
// 设置通话数据ID
void setCallDataId(long id) { void setCallDataId(long id) {
if (id <= 0) { if (id <= 0) {
throw new IllegalArgumentException("Call data id should larger than 0"); throw new IllegalArgumentException("通话数据ID必须大于0");
} }
mCallDataId = id; mCallDataId = id;
} }
// 设置通话数据
void setCallData(String key, String value) { void setCallData(String key, String value) {
mCallDataValues.put(key, value); mCallDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地修改
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间
} }
// 设置文本数据
void setTextData(String key, String value) { void setTextData(String key, String value) {
mTextDataValues.put(key, value); mTextDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地修改
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间
} }
/**
* 将数据提交到内容提供器
* @param context 上下文对象
* @param noteId 笔记ID
* @return 操作结果的Uri
*/
Uri pushIntoContentResolver(Context context, long noteId) { Uri pushIntoContentResolver(Context context, long noteId) {
/** // 安全检查
* Check for safety
*/
if (noteId <= 0) { if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId); throw new IllegalArgumentException("错误的笔记ID:" + noteId);
} }
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
ContentProviderOperation.Builder builder = null; ContentProviderOperation.Builder builder = null;
// 处理文本数据
if(mTextDataValues.size() > 0) { if(mTextDataValues.size() > 0) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId); mTextDataValues.put(DataColumns.NOTE_ID, noteId); // 关联笔记ID
if (mTextDataId == 0) { if (mTextDataId == 0) { // 新增数据
mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE); mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE); // 设置MIME类型
Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
mTextDataValues); mTextDataValues);
try { try {
setTextDataId(Long.valueOf(uri.getPathSegments().get(1))); setTextDataId(Long.valueOf(uri.getPathSegments().get(1))); // 从URI获取ID
} catch (NumberFormatException e) { } catch (NumberFormatException e) {
Log.e(TAG, "Insert new text data fail with noteId" + noteId); Log.e(TAG, "插入新文本数据失败，笔记ID:" + noteId);
mTextDataValues.clear(); mTextDataValues.clear();
return null; return null;
} }
} else { } else { // 更新现有数据
builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mTextDataId)); Notes.CONTENT_DATA_URI, mTextDataId));
builder.withValues(mTextDataValues); builder.withValues(mTextDataValues);
operationList.add(builder.build()); operationList.add(builder.build());
} }
mTextDataValues.clear(); mTextDataValues.clear(); // 清空数据
} }
// 处理通话数据
if(mCallDataValues.size() > 0) { if(mCallDataValues.size() > 0) {
mCallDataValues.put(DataColumns.NOTE_ID, noteId); mCallDataValues.put(DataColumns.NOTE_ID, noteId); // 关联笔记ID
if (mCallDataId == 0) { if (mCallDataId == 0) { // 新增数据
mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE); mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE); // 设置MIME类型
Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
mCallDataValues); mCallDataValues);
try { try {
setCallDataId(Long.valueOf(uri.getPathSegments().get(1))); setCallDataId(Long.valueOf(uri.getPathSegments().get(1))); // 从URI获取ID
} catch (NumberFormatException e) { } catch (NumberFormatException e) {
Log.e(TAG, "Insert new call data fail with noteId" + noteId); Log.e(TAG, "插入新通话数据失败，笔记ID:" + noteId);
mCallDataValues.clear(); mCallDataValues.clear();
return null; return null;
} }
} else { } else { // 更新现有数据
builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mCallDataId)); Notes.CONTENT_DATA_URI, mCallDataId));
builder.withValues(mCallDataValues); builder.withValues(mCallDataValues);
operationList.add(builder.build()); operationList.add(builder.build());
} }
mCallDataValues.clear(); mCallDataValues.clear(); // 清空数据
} }
// 批量执行操作
if (operationList.size() > 0) { if (operationList.size() > 0) {
try { try {
ContentProviderResult[] results = context.getContentResolver().applyBatch( ContentProviderResult[] results = context.getContentResolver().applyBatch(
@ -250,4 +303,4 @@ public class Note {
return null; return null;
} }
} }
} }
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