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第二次更新

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一条鱼和xiao 3 months ago
parent 4fa8b57f09
commit bd510a95ff
1 changed files with 78 additions and 17 deletions
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95
src/net/micode/notes/model/Note.java
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@ -15,6 +15,7 @@
*/
package net.micode.notes.model;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentUris;
@ -33,16 +34,22 @@ import net.micode.notes.data.Notes.TextNote;
import java.util.ArrayList;
/**
* 笔记数据管理类，处理笔记的创建、更新和同步
*/
public class Note {
// 笔记差异值（待更新的笔记内容）
private ContentValues mNoteDiffValues;
// 笔记数据
private NoteData mNoteData;
// 日志标签
private static final String TAG = "Note";
/**
* Create a new note id for adding a new note to databases
* 创建新笔记并返回ID
*/
public static synchronized long getNewNoteId(Context context, long folderId) {
// Create a new note in the database
// 在数据库中创建新笔记
ContentValues values = new ContentValues();
long createdTime = System.currentTimeMillis();
values.put(NoteColumns.CREATED_DATE, createdTime);
@ -65,41 +72,68 @@ public class Note {
return noteId;
}
/**
* 构造函数
*/
public Note() {
mNoteDiffValues = new ContentValues();
mNoteData = new NoteData();
}
/**
* 设置笔记属性值
*/
public void setNoteValue(String key, String value) {
mNoteDiffValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
/**
* 设置文本笔记数据
*/
public void setTextData(String key, String value) {
mNoteData.setTextData(key, value);
}
/**
* 设置文本笔记数据ID
*/
public void setTextDataId(long id) {
mNoteData.setTextDataId(id);
}
/**
* 获取文本笔记数据ID
*/
public long getTextDataId() {
return mNoteData.mTextDataId;
}
/**
* 设置通话记录数据ID
*/
public void setCallDataId(long id) {
mNoteData.setCallDataId(id);
}
/**
* 设置通话记录数据
*/
public void setCallData(String key, String value) {
mNoteData.setCallData(key, value);
}
/**
* 检查笔记是否有本地修改
*/
public boolean isLocalModified() {
return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
}
/**
* 将笔记同步到数据库
*/
public boolean syncNote(Context context, long noteId) {
if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
@ -109,19 +143,16 @@ public class Note {
return true;
}
/**
* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
* note data info
*/
// 更新笔记基本信息
if (context.getContentResolver().update(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
null) == 0) {
Log.e(TAG, "Update note error, should not happen");
// Do not return, fall through
// 即使更新失败也继续处理数据
}
mNoteDiffValues.clear();
// 更新笔记详细数据
if (mNoteData.isLocalModified()
&& (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
return false;
@ -130,17 +161,24 @@ public class Note {
return true;
}
/**
* 笔记数据内部类，处理笔记详细内容
*/
private class NoteData {
// 文本数据ID
private long mTextDataId;
// 文本数据值
private ContentValues mTextDataValues;
// 通话记录数据ID
private long mCallDataId;
// 通话记录数据值
private ContentValues mCallDataValues;
// 日志标签
private static final String TAG = "NoteData";
/**
* 构造函数
*/
public NoteData() {
mTextDataValues = new ContentValues();
mCallDataValues = new ContentValues();
@ -148,10 +186,16 @@ public class Note {
mCallDataId = 0;
}
/**
* 检查是否有本地修改
*/
boolean isLocalModified() {
return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
}
/**
* 设置文本数据ID
*/
void setTextDataId(long id) {
if(id <= 0) {
throw new IllegalArgumentException("Text data id should larger than 0");
@ -159,6 +203,9 @@ public class Note {
mTextDataId = id;
}
/**
* 设置通话记录数据ID
*/
void setCallDataId(long id) {
if (id <= 0) {
throw new IllegalArgumentException("Call data id should larger than 0");
@ -166,22 +213,29 @@ public class Note {
mCallDataId = id;
}
/**
* 设置通话记录数据
*/
void setCallData(String key, String value) {
mCallDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
/**
* 设置文本数据
*/
void setTextData(String key, String value) {
mTextDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
/**
* 将数据推送到内容提供者
*/
Uri pushIntoContentResolver(Context context, long noteId) {
/**
* Check for safety
*/
// 安全检查
if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
}
@ -189,9 +243,11 @@ public class Note {
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
ContentProviderOperation.Builder builder = null;
// 处理文本数据
if(mTextDataValues.size() > 0) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId);
if (mTextDataId == 0) {
// 插入新文本数据
mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
mTextDataValues);
@ -203,6 +259,7 @@ public class Note {
return null;
}
} else {
// 更新现有文本数据
builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mTextDataId));
builder.withValues(mTextDataValues);
@ -211,9 +268,11 @@ public class Note {
mTextDataValues.clear();
}
// 处理通话记录数据
if(mCallDataValues.size() > 0) {
mCallDataValues.put(DataColumns.NOTE_ID, noteId);
if (mCallDataId == 0) {
// 插入新通话记录数据
mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
mCallDataValues);
@ -225,6 +284,7 @@ public class Note {
return null;
}
} else {
// 更新现有通话记录数据
builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mCallDataId));
builder.withValues(mCallDataValues);
@ -233,6 +293,7 @@ public class Note {
mCallDataValues.clear();
}
// 批量执行操作
if (operationList.size() > 0) {
try {
ContentProviderResult[] results = context.getContentResolver().applyBatch(
@ -250,4 +311,4 @@ public class Note {
return null;
}
}
}
}
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