diff --git a/src/tool/BackupUtils.java b/src/tool/BackupUtils.java new file mode 100644 index 0000000..b4fd702 --- /dev/null +++ b/src/tool/BackupUtils.java @@ -0,0 +1,343 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) 打开网站的操作 + * + * 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.tool;//定义小米便签 功能类 + +import android.content.Context;//导入各种需要的类 +import android.database.Cursor;//查询数据类型 +import android.os.Environment;//导入安卓环境包 +import android.text.TextUtils;//导入安卓文本功能包 +import android.text.format.DateFormat;//用于转化日期格式 +import android.util.Log;//打印与查看日志 + +import net.micode.notes.R;//从项目的其他软件包中调用类 +import net.micode.notes.data.Notes;//数据便签类 +import net.micode.notes.data.Notes.DataColumns;//数据类型类 +import net.micode.notes.data.Notes.DataConstants;//常数类 +import net.micode.notes.data.Notes.NoteColumns;//便签类 + +import java.io.File;//引入文件操作类 +import java.io.FileNotFoundException;//文件未找到的错误处理 +import java.io.FileOutputStream;//文件的输入 +import java.io.IOException;//操作错误处理 +import java.io.PrintStream;//导入需要的包 + + +public class BackupUtils {//此处为备份工具包 + private static final String TAG = "BackupUtils";//实化一个BackupUtils的对象 + // Singleton stuff + private static BackupUtils sInstance;//初始化sInstance + + public static synchronized BackupUtils getInstance(Context context) {//如果当前备份不在，则再新声明一个 + if (sInstance == null) { + sInstance = new BackupUtils(context); + } + return sInstance;//返回当前的sInstance值 + } + + /** + * Following states are signs to represents backup or restore + * status + */ + // Currently, the sdcard is not mounted + public static final int STATE_SD_CARD_UNMOUONTED = 0;//备份文件夹不存在 + // The backup file not exist + public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;//变量表示备份的文件不存在 + // The data is not well formated, may be changed by other programs + public static final int STATE_DATA_DESTROIED = 2;//超时异常 + // Some run-time exception which causes restore or backup fails + public static final int STATE_SYSTEM_ERROR = 3;//系统错误状态为3 + // Backup or restore success + public static final int STATE_SUCCESS = 4;//变量表示备份成功 + + private TextExport mTextExport;//实例化一个为mTextExport的对象 + + private BackupUtils(Context context) {//初始化构造函数 + mTextExport = new TextExport(context); + } + + private static boolean externalStorageAvailable() {//判断外部存储设备是否有效 + return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); + } + + public int exportToText() {//输出至文本 + return mTextExport.exportToText(); + } + + public String getExportedTextFileName() {//返回获取的文件名 + return mTextExport.mFileName; + } + + public String getExportedTextFileDir() {//返回文件的目录 + return mTextExport.mFileDirectory; + } + + private static class TextExport {//内部类：文本输出 + private static final String[] NOTE_PROJECTION = {//定义了一个数组存储便签的信息 + NoteColumns.ID,//ID + NoteColumns.MODIFIED_DATE,//日期 + NoteColumns.SNIPPET, + NoteColumns.TYPE + }; + + private static final int NOTE_COLUMN_ID = 0;//初始化便签ID + + private static final int NOTE_COLUMN_MODIFIED_DATE = 1;//初始化修改时间 + + private static final int NOTE_COLUMN_SNIPPET = 2;//初始化小段消息状态 + + private static final String[] DATA_PROJECTION = {//定义字符串存储函数的基本信息 + DataColumns.CONTENT, + DataColumns.MIME_TYPE, + DataColumns.DATA1, + DataColumns.DATA2, + DataColumns.DATA3, + DataColumns.DATA4, + }; + + private static final int DATA_COLUMN_CONTENT = 0;//表示设定：数据内容表示为0 + + private static final int DATA_COLUMN_MIME_TYPE = 1;//数据媒体类型标识为1 + + private static final int DATA_COLUMN_CALL_DATE = 2;//访问日期表示为2 + + private static final int DATA_COLUMN_PHONE_NUMBER = 4;//电话号码表示为4 + + private final String [] TEXT_FORMAT;//文档格式标识 + private static final int FORMAT_FOLDER_NAME = 0;//文件命名格式表示为0 + private static final int FORMAT_NOTE_DATE = 1;//便签日期格式表示为1 + private static final int FORMAT_NOTE_CONTENT = 2;//便签目录格式 + + private Context mContext;//定义上下文类 + private String mFileName;//定义文件名 + private String mFileDirectory;//文件路径 + + public TextExport(Context context) {//从context类实例中花去信息，给对应的属性赋初始值 + TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); + mContext = context; + mFileName = ""; + mFileDirectory = ""; + } + + private String getFormat(int id) { + return TEXT_FORMAT[id]; + }//获取文本组成部分 + + /** + * Export the folder identified by folder id to text + */ + private void exportFolderToText(String folderId, PrintStream ps) {//通过文件夹目录ID将目录导出后成为文件 + // Query notes belong to this folder + Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { + folderId + }, null); + + if (notesCursor != null) { + if (notesCursor.moveToFirst()) { + do { + // Print note's last modified date + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( + mContext.getString(R.string.format_datetime_mdhm), + notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // Query data belong to this note + String noteId = notesCursor.getString(NOTE_COLUMN_ID); + exportNoteToText(noteId, ps); + } while (notesCursor.moveToNext()); + } + notesCursor.close();//关闭游标 + } + } + + /** + * Export note identified by id to a print stream + */ + private void exportNoteToText(String noteId, PrintStream ps) {//函数：将便签的内容以文本的形式显示在屏幕上 + Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,//利用光标来扫描内容 + DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { + noteId + }, null); + + if (dataCursor != null) {//如果光标不为空 + if (dataCursor.moveToFirst()) {//游标已经在第一步就位 + do { + String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);//获取便签媒体类型 + if (DataConstants.CALL_NOTE.equals(mimeType)) {//判断便签的内容 + // Print phone number + String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);//获取电话号码 + long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);//获取通话时间 + String location = dataCursor.getString(DATA_COLUMN_CONTENT);//获取地址 + + if (!TextUtils.isEmpty(phoneNumber)) {//判断是否为空字符 + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + phoneNumber)); + } + // Print call date + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat//输出电话号码 + .format(mContext.getString(R.string.format_datetime_mdhm), + callDate))); + // Print call attachment location + if (!TextUtils.isEmpty(location)) {//输出位置location + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + location)); + } + } else if (DataConstants.NOTE.equals(mimeType)) {//如果便签的内容存在，则直接输出 + String content = dataCursor.getString(DATA_COLUMN_CONTENT); + if (!TextUtils.isEmpty(content)) {//如果便签内容不为空 + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + content)); + } + } + } while (dataCursor.moveToNext());//光标下移 + } + dataCursor.close();//关闭光标 + } + // print a line separator between note + try {//正常情况再note下面输出一条线 + ps.write(new byte[] { + Character.LINE_SEPARATOR, Character.LETTER_NUMBER + }); + } catch (IOException e) {//获取错误信息 + Log.e(TAG, e.toString()); + } + } + + /** + * Note will be exported as text which is user readable + */ + public int exportToText() {//以TEXT形式输出到外部设备 + if (!externalStorageAvailable()) {//如果外部设备未安装好，返回对应状态 + Log.d(TAG, "Media was not mounted"); + return STATE_SD_CARD_UNMOUONTED; + } + + PrintStream ps = getExportToTextPrintStream();//获取存储信息 + if (ps == null) {//如果没有得到正常的数据流，则输出错误信息 + Log.e(TAG, "get print stream error"); + return STATE_SYSTEM_ERROR; + } + // First export folder and its notes + Cursor folderCursor = mContext.getContentResolver().query(//定位需要导出的文件夹 + Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, + "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND " + + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR " + + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null); + + if (folderCursor != null) {//如果文件夹不为空，即存在文件夹 + if (folderCursor.moveToFirst()) {//文件光标再第一行就位 + do { + // Print folder's name + String folderName = ""; + if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {//找到文件名 + folderName = mContext.getString(R.string.call_record_folder_name); + } else { + folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);//取便签为便签名字 + } + if (!TextUtils.isEmpty(folderName)) {//判断folderName是否存在 + ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName)); + } + String folderId = folderCursor.getString(NOTE_COLUMN_ID);//通过便签ID获得folderID + exportFolderToText(folderId, ps); + } while (folderCursor.moveToNext());//文件夹的光标下移 + } + folderCursor.close();//关闭光标 + } + + // Export notes in root's folder + Cursor noteCursor = mContext.getContentResolver().query(//输出根目录下面的笔记 + Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, + NoteColumns.TYPE + "=" + +Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID + + "=0", null, null); + + if (noteCursor != null) {//如果笔记游标不为空 + if (noteCursor.moveToFirst()) {//便签光标下移 + do { + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(//输出修改日期 + mContext.getString(R.string.format_datetime_mdhm), + noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // Query data belong to this note + String noteId = noteCursor.getString(NOTE_COLUMN_ID);//找到这块数据的ID + exportNoteToText(noteId, ps); + } while (noteCursor.moveToNext());//便签光标下移 + } + noteCursor.close();//关闭游标 + } + ps.close(); + + return STATE_SUCCESS; //返回成功导出状态 + } + + /** + * Get a print stream pointed to the file {@generateExportedTextFile} + */ + private PrintStream getExportToTextPrintStream() {//获取指向文件的打印流 + File file = generateFileMountedOnSDcard(mContext, R.string.file_path,//创建文件 + R.string.file_name_txt_format); + if (file == null) {//如果文件夹为空，则创建失败 + Log.e(TAG, "create file to exported failed"); + return null; + } + mFileName = file.getName();//得到文件名 + mFileDirectory = mContext.getString(R.string.file_path);//获取文件路径 + PrintStream ps = null;//初始化ps + try {//将ps输出流输出到特定的文件，目的是导出文件 + FileOutputStream fos = new FileOutputStream(file); + ps = new PrintStream(fos); + } catch (FileNotFoundException e) {//给出错误信息 + e.printStackTrace(); + return null; + } catch (NullPointerException e) {//捕获空指针异常 + e.printStackTrace(); + return null; + } + return ps; + } + } + + /** + * Generate the text file to store imported data + */ + private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { + //产生用于存储输入信息的文件 + StringBuilder sb = new StringBuilder();//构建一个动态字符串将外部信息加入其中 + sb.append(Environment.getExternalStorageDirectory());//加入路径 + sb.append(context.getString(filePathResId));//文件的存储路径 + File filedir = new File(sb.toString());//存储路径信息 + sb.append(context.getString(//格式化输出当前系统时间 + fileNameFormatResId, + DateFormat.format(context.getString(R.string.format_date_ymd),//将当前的系统时间以预定的格式输出 + System.currentTimeMillis()))); + File file = new File(sb.toString());//将输出连接到一个文件里 + + try { + if (!filedir.exists()) {//如果文件不存在，则重建 + filedir.mkdir(); + } + if (!file.exists()) { + file.createNewFile(); + } + return file;//返回导出的文件 + } catch (SecurityException e) {//处理碰到的异常 + e.printStackTrace(); + } catch (IOException e) {//捕获异常 + e.printStackTrace(); + } + + return null; + } +} \ No newline at end of file diff --git a/src/tool/DataUtils.java b/src/tool/DataUtils.java new file mode 100644 index 0000000..8633d59 --- /dev/null +++ b/src/tool/DataUtils.java @@ -0,0 +1,307 @@ +/* + * 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.tool; + +import android.content.ContentProviderOperation; +import android.content.ContentProviderResult; +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.OperationApplicationException; +import android.database.Cursor; +import android.os.RemoteException; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.CallNote; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; + +import java.util.ArrayList; +import java.util.HashSet; + + +public class DataUtils {//数据的集成工具类 + public static final String TAG = "DataUtils"; + public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) { + //方法：实现了批量删除便签 + if (ids == null) {//判断笔记id是否为空 + Log.d(TAG, "the ids is null"); + return true; + } + if (ids.size() == 0) {//判断笔记大小是否为空 + Log.d(TAG, "no id is in the hashset"); + return true; + } + + ArrayList operationList = new ArrayList();//提供一个事件的列表 + for (long id : ids) {//遍历数据，如果此数据为根目录则跳过此数据不删除，如果不是根目录则将此数据删除 + if(id == Notes.ID_ROOT_FOLDER) { + Log.e(TAG, "Don't delete system folder root"); + continue; + } + ContentProviderOperation.Builder builder = ContentProviderOperation//使用newdelete进行删除 + .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); + operationList.add(builder.build()); + } + try {//这是一个错误处理机制，并分别针对两种不同的错误进行处理。 + ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + if (results == null || results.length == 0 || results[0] == null) { + //数据库事项，由一系列的数据库操作序列构成，这个事项作为一个整体来处理 + Log.d(TAG, "delete notes failed, ids:" + ids.toString()); + return false; + } + return true; + } catch (RemoteException e) {//对错误进行处理，并将错误存储到日志当中 + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } + return false; + } + + public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) { + //将标签移动到另一个目录下 + ContentValues values = new ContentValues();//实例化一个contentValues类 + values.put(NoteColumns.PARENT_ID, desFolderId);//将PARENT_ID更改为目标目录ID + values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);//设置origin也即原本的父节点为原本的文件夹的id + values.put(NoteColumns.LOCAL_MODIFIED, 1);//设置修改符号为1 + resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null); + //对需要移动的便签进行数据更新，然后用update实现 + } + + public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, + long folderId) {//批量的将标签移动到另一个目录下 + if (ids == null) {//判断便签ID是否为空 + Log.d(TAG, "the ids is null"); + return true; + } + + ArrayList operationList = new ArrayList(); + //将ids里包含的每一列的数据逐次加入到operationList中，等待最后的批量处理 + for (long id : ids) {//遍历所有选中的便签的id + ContentProviderOperation.Builder builder = ContentProviderOperation + .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); + builder.withValue(NoteColumns.PARENT_ID, folderId); + builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); + operationList.add(builder.build());//将ids里的数据添加到operationlist中以便接下来批量处理 + } + + try {//利用Log输出信息来进行错误检测 + ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + //applyBatch一次性处理一个操作列表 + if (results == null || results.length == 0 || results[0] == null) { + Log.d(TAG, "delete notes failed, ids:" + ids.toString()); + return false; + } + return true; + } catch (RemoteException e) {//异常处理 + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } + return false; + } + + /** + * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}} + */ + public static int getUserFolderCount(ContentResolver resolver) {//获取用户文件夹数 + Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI, + //resolver.query()方法第二个参数是要返回的列，第三个参数是Section，查询where字句；第四个是查询条件属性值，第五个是筛选规则 + new String[] { "COUNT(*)" }, + NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?", + new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)}, + null);//String.valueof将形参转成字符串返回 + + int count = 0; + if(cursor != null) {//尝试得到用户文件夹的数量 + if(cursor.moveToFirst()) { + try {//异常处理 + count = cursor.getInt(0); + } catch (IndexOutOfBoundsException e) {//索引序号超出界限 + Log.e(TAG, "get folder count failed:" + e.toString()); + } finally { + cursor.close();//关闭游标 + } + } + } + return count; + } + + public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {//是否在便签数据库中可见 + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),//通过withappendedid的方法为uri加上id + null, + NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER, + new String [] {String.valueOf(type)}, + null);//sql语句，表示筛选出列中type等于string数组中type，且每一项的PARENT_ID不等于Notes.ID.TRAXH_FOLDER + + boolean exist = false;//查询文件 + if (cursor != null) {//用getcount函数判断cursor是否为空 + if (cursor.getCount() > 0) {//如果有满足条件的条目，那么就是可见，exist为真，否则不可见，exist为假 + exist = true; + } + cursor.close();//关闭游标 + } + return exist;//在数据数据库中是否存在 + } + + public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {//判断该note是否在数据库中存在 + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), + null, null, null, null); +//相比于上面，这个只是存在性判定，因此不需要过多筛选条件 + boolean exist = false;//初始化存在状态 + if (cursor != null) {//根据getcount此时的值可以判断dataID的存在性 + if (cursor.getCount() > 0) {//根据筛选出来的条数判断存在性 + exist = true; + } + cursor.close();//关闭游标 + } + return exist; + } + + public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {//检查文件名字是否可见 + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), + //通过URI与dataId在数据库中查找数据 + null, null, null, null); + + boolean exist = false;//根据数据的有无返回相应的布尔值 + if (cursor != null) { + if (cursor.getCount() > 0) {//调用对应的uri的数据值进行查询 + exist = true; + } + cursor.close();//关闭游标 + } + return exist;//通过名字查询文件是否存在 + } + + public static boolean checkVisibleFolderName(ContentResolver resolver, String name) { + //这个则是判断某个文件夹名字是否对应一个未被删除的文件夹 + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,//筛选类型正确的、未被删除的和名字对应得上的 + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + + " AND " + NoteColumns.SNIPPET + "=?", + new String[] { name }, null);//通过名字查询文件是否存在 + boolean exist = false; + if(cursor != null) {//判断找到的文件名返回文件是否存在的bool值 + if(cursor.getCount() > 0) { + exist = true; + } + cursor.close();//关闭游标 + } + return exist; + } + + public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) { + //使用hashset来存储不同窗口的id和type并且建立对应关系 + Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,//父id为传入的文件夹id + new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE }, + NoteColumns.PARENT_ID + "=?", + new String[] { String.valueOf(folderId) },//hash集合为空的情况 + null); + + HashSet set = null;//根据窗口的记录一一添加对应的属性值 + if (c != null) {//将app窗口的属性加入到HashSet中 + if (c.moveToFirst()) { + set = new HashSet(); + do { + try {//把每一个条目对应的窗口id和type记录下来，放到set里面。每一行的第0个int和第1个int分别对应widgetId和widgetType + AppWidgetAttribute widget = new AppWidgetAttribute();//新建一个区块 + widget.widgetId = c.getInt(0);//0对应的NoteColumns.WIDGET_ID + widget.widgetType = c.getInt(1);//1对应的NoteColumns.WIDGET_TYPE + set.add(widget); + } catch (IndexOutOfBoundsException e) {//当下标超过边界，那么返回错误 + Log.e(TAG, e.toString()); + } + } while (c.moveToNext());//访问下一条 + } + c.close();//关闭游标 + } + return set; + } + + public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {//通过笔记ID获取号码 + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, + new String [] { CallNote.PHONE_NUMBER }, + CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?", + new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },//新建字符列表 + null); + + if (cursor != null && cursor.moveToFirst()) {// 获取电话号码，并处理异常。 + try {//返回电话号码 + return cursor.getString(0); + } catch (IndexOutOfBoundsException e) {//捕获字符 + Log.e(TAG, "Get call number fails " + e.toString()); + } finally { + cursor.close(); + } + } + return ""; + } + + public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) { + //同样的，通过映射关系，通过号码和日期获取ID + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,//通过数据库操作，查询条件是（callDate和phoneNumber匹配传入参数的值） + new String [] { CallNote.NOTE_ID }, + CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL(" + + CallNote.PHONE_NUMBER + ",?)", + new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber }, + null);//通过数据库操作，查询条件（callDate和phoneNumber匹配传入参数的值），找到对应的note + + if (cursor != null) {//得到该note的系统属性，并以Long值的形式来保存 + if (cursor.moveToFirst()) { + try { + return cursor.getLong(0);//0对应的CallNote.NOTE_ID + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "Get call note id fails " + e.toString()); + } + } + cursor.close();//关闭游标 + } + return 0; + } + + public static String getSnippetById(ContentResolver resolver, long noteId) {//按ID获取片段 + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,//通过ID查询 + new String [] { NoteColumns.SNIPPET }, + NoteColumns.ID + "=?", + new String [] { String.valueOf(noteId)}, + null);//通过数据库操作，查询条件是（callDate和phoneNumber匹配传入参数的值 + + if (cursor != null) {//以string的形式获取该对象当前行指定列的值。 + String snippet = "";//对字符串进行格式处理，将字符串两头的空格去掉同时将换行符去掉 + if (cursor.moveToFirst()) { + snippet = cursor.getString(0); + } + cursor.close(); + return snippet; + } + throw new IllegalArgumentException("Note is not found with id: " + noteId); + //IllegalArgumentException是非法传参异常，也就是参数传的类型冲突，属于RunTimeException运行时异常 + } + + public static String getFormattedSnippet(String snippet) {//对字符串进行格式处理，将字符串两头的空格去掉，同时将换行符去掉 + if (snippet != null) { + snippet = snippet.trim();// trim()函数: 移除字符串两侧的空白字符或其他预定义字符 + int index = snippet.indexOf('\n'); + if (index != -1) { + snippet = snippet.substring(0, index);//截取到第一个换行符 + } + } + return snippet; + } +} diff --git a/src/tool/GTaskStringUtils.java b/src/tool/GTaskStringUtils.java new file mode 100644 index 0000000..a33b4ab --- /dev/null +++ b/src/tool/GTaskStringUtils.java @@ -0,0 +1,113 @@ +/* + * 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.tool;//定义了很多的静态字符串，目的就是为了提供jsonObject中相应字符串的"key" + +public class GTaskStringUtils { + + public final static String GTASK_JSON_ACTION_ID = "action_id";//行动ID + + public final static String GTASK_JSON_ACTION_LIST = "action_list";//任务列表 + + public final static String GTASK_JSON_ACTION_TYPE = "action_type";//任务类型 + + public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";//新建 + + public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all"; + + public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";//移动 + + public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";//更新 + + public final static String GTASK_JSON_CREATOR_ID = "creator_id";//id + + public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";//子实体 + + public final static String GTASK_JSON_CLIENT_VERSION = "client_version";//客户端 + + public final static String GTASK_JSON_COMPLETED = "completed"; + + public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";//当前列表位置 + + public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";//失败 + + public final static String GTASK_JSON_DELETED = "deleted";//删除 + + public final static String GTASK_JSON_DEST_LIST = "dest_list"; + + public final static String GTASK_JSON_DEST_PARENT = "dest_parent"; + + public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type"; + + public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta"; + + public final static String GTASK_JSON_ENTITY_TYPE = "entity_type"; + + public final static String GTASK_JSON_GET_DELETED = "get_deleted"; + + public final static String GTASK_JSON_ID = "id"; + + public final static String GTASK_JSON_INDEX = "index";//索引 + + public final static String GTASK_JSON_LAST_MODIFIED = "last_modified"; + + public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point"; + + public final static String GTASK_JSON_LIST_ID = "list_id"; + + public final static String GTASK_JSON_LISTS = "lists"; + + public final static String GTASK_JSON_NAME = "name"; + + public final static String GTASK_JSON_NEW_ID = "new_id"; + + public final static String GTASK_JSON_NOTES = "notes"; + + public final static String GTASK_JSON_PARENT_ID = "parent_id";//搭档ID + + public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id"; + + public final static String GTASK_JSON_RESULTS = "results"; + + public final static String GTASK_JSON_SOURCE_LIST = "source_list"; + + public final static String GTASK_JSON_TASKS = "tasks";//任务栏 + + public final static String GTASK_JSON_TYPE = "type"; + + public final static String GTASK_JSON_TYPE_GROUP = "GROUP"; + + public final static String GTASK_JSON_TYPE_TASK = "TASK";//任务 + + public final static String GTASK_JSON_USER = "user"; + + public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]"; + + public final static String FOLDER_DEFAULT = "Default"; + + public final static String FOLDER_CALL_NOTE = "Call_Note";//呼叫小米便签 + + public final static String FOLDER_META = "METADATA"; + + public final static String META_HEAD_GTASK_ID = "meta_gid"; + + public final static String META_HEAD_NOTE = "meta_note"; + + public final static String META_HEAD_DATA = "meta_data";//数据 + + public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE"; + +} diff --git a/src/tool/ResourceParser.java b/src/tool/ResourceParser.java new file mode 100644 index 0000000..4ec7fb2 --- /dev/null +++ b/src/tool/ResourceParser.java @@ -0,0 +1,181 @@ +/* + * 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.tool; + +import android.content.Context; +import android.preference.PreferenceManager; + +import net.micode.notes.R; +import net.micode.notes.ui.NotesPreferenceActivity; + +public class ResourceParser {//ResourceParser类获取程序资源，如图片颜色等 + + public static final int YELLOW = 0;//为颜色常量和字体常量赋值，为字体默认大小赋值 + public static final int BLUE = 1; + public static final int WHITE = 2; + public static final int GREEN = 3; + public static final int RED = 4; + + public static final int BG_DEFAULT_COLOR = YELLOW;//默认背景颜色（黄） + + public static final int TEXT_SMALL = 0;//为颜色常量和字体常量赋值，为字体默认大小赋值 + public static final int TEXT_MEDIUM = 1; + public static final int TEXT_LARGE = 2; + public static final int TEXT_SUPER = 3; + + public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;//默认字体大小（中） + + public static class NoteBgResources {// Note的背景颜色 + private final static int [] BG_EDIT_RESOURCES = new int [] {//.调用drawable中的五种颜色的背景图片png文件 + R.drawable.edit_yellow,//调用drawable中的五种颜色的标题背景图片png文件 + R.drawable.edit_blue, + R.drawable.edit_white, + R.drawable.edit_green, + R.drawable.edit_red + }; + + private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {//背景标题的资源常量数组 + R.drawable.edit_title_yellow, + R.drawable.edit_title_blue, + R.drawable.edit_title_white, + R.drawable.edit_title_green, + R.drawable.edit_title_red + }; + + public static int getNoteBgResource(int id) { + return BG_EDIT_RESOURCES[id]; + }//获取便签背景资源id + + public static int getNoteTitleBgResource(int id) { + return BG_EDIT_TITLE_RESOURCES[id]; + } + }//获取标题使用的资源的ID + + public static int getDefaultBgId(Context context) {//获取默认背景颜色对应Id + if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(//如果颜色设定为随机的颜色，那么就随机返回一个颜色 + NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) { + return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length); + } else { + return BG_DEFAULT_COLOR;//否则返回默认背景颜色 + } + } + + public static class NoteItemBgResources {//便签项目背景资源子类，包括方法：获得首尾项目等背景资源 + private final static int [] BG_FIRST_RESOURCES = new int [] {//不同drawable的变量声明 + R.drawable.list_yellow_up, + R.drawable.list_blue_up, + R.drawable.list_white_up, + R.drawable.list_green_up, + R.drawable.list_red_up + }; + + private final static int [] BG_NORMAL_RESOURCES = new int [] {//定义了背景的默认资源 + R.drawable.list_yellow_middle, + R.drawable.list_blue_middle, + R.drawable.list_white_middle, + R.drawable.list_green_middle, + R.drawable.list_red_middle + }; + + private final static int [] BG_LAST_RESOURCES = new int [] {//定义背景的下方资源 + R.drawable.list_yellow_down, + R.drawable.list_blue_down, + R.drawable.list_white_down, + R.drawable.list_green_down, + R.drawable.list_red_down, + }; + + private final static int [] BG_SINGLE_RESOURCES = new int [] { + R.drawable.list_yellow_single, + R.drawable.list_blue_single, + R.drawable.list_white_single, + R.drawable.list_green_single, + R.drawable.list_red_single + }; + + public static int getNoteBgFirstRes(int id) { + return BG_FIRST_RESOURCES[id]; + }//通过ID获取所需要的资源 + + public static int getNoteBgLastRes(int id) { + return BG_LAST_RESOURCES[id]; + }//通过ID寻找last的颜色值 + + public static int getNoteBgSingleRes(int id) { + return BG_SINGLE_RESOURCES[id]; + }//通过ID获取单个便签背景颜色资源 + + public static int getNoteBgNormalRes(int id) { + return BG_NORMAL_RESOURCES[id]; + }//通过ID寻找normal的颜色值 + + public static int getFolderBgRes() { + return R.drawable.list_folder; + }//设置窗口的资源 + } + + public static class WidgetBgResources {//小窗口情况下的背景资源类 + private final static int [] BG_2X_RESOURCES = new int [] {//2x小窗口背景资源初始化 + R.drawable.widget_2x_yellow, + R.drawable.widget_2x_blue, + R.drawable.widget_2x_white, + R.drawable.widget_2x_green, + R.drawable.widget_2x_red, + }; + + public static int getWidget2xBgResource(int id) { + return BG_2X_RESOURCES[id]; + }//根据ID加载BG_2X_RESOURCES数组里的颜色资源序号。 + + private final static int [] BG_4X_RESOURCES = new int [] {//本条与下一条private定义与上两条相同，只不过由2倍扩大成了4倍 + R.drawable.widget_4x_yellow, + R.drawable.widget_4x_blue, + R.drawable.widget_4x_white, + R.drawable.widget_4x_green, + R.drawable.widget_4x_red + }; + + public static int getWidget4xBgResource(int id) { + return BG_4X_RESOURCES[id]; + }//根据ID加载BG_4X_RESOURCES数组里的颜色资源序号。 + } + + public static class TextAppearanceResources {//文本外观资源，包括默认字体，以及获取资源大小 + private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {//定义外观资源 + R.style.TextAppearanceNormal,//通过ID找到格式，没有要求的话就设置为默认格式 + R.style.TextAppearanceMedium, + R.style.TextAppearanceLarge, + R.style.TextAppearanceSuper + }; + + public static int getTexAppearanceResource(int id) {//这是一个容错的函数，防止输入的id大于资源总量。如果大于资源总量，则自动返回默认的设置结果 + /** + * HACKME: Fix bug of store the resource id in shared preference. + * The id may larger than the length of resources, in this case, + * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE} + */ + if (id >= TEXTAPPEARANCE_RESOURCES.length) {//若输入id大于字体编号最大值，则返回默认值 + return BG_DEFAULT_FONT_SIZE; + } + return TEXTAPPEARANCE_RESOURCES[id]; + } + + public static int getResourcesSize() { + return TEXTAPPEARANCE_RESOURCES.length; + }//直接返回为资源的长度 + } +} diff --git a/src/ui/NoteEditText.java b/src/ui/NoteEditText.java new file mode 100644 index 0000000..f18e72c --- /dev/null +++ b/src/ui/NoteEditText.java @@ -0,0 +1,214 @@ +/* + * 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.ui; + +import android.content.Context; +import android.graphics.Rect; +import android.text.Layout; +import android.text.Selection; +import android.text.Spanned; +import android.text.TextUtils; +import android.text.style.URLSpan; +import android.util.AttributeSet; +import android.util.Log; +import android.view.ContextMenu; +import android.view.KeyEvent; +import android.view.MenuItem; +import android.view.MenuItem.OnMenuItemClickListener; +import android.view.MotionEvent; +import android.widget.EditText; + +import net.micode.notes.R; + +import java.util.HashMap; +import java.util.Map; + +public class NoteEditText extends EditText {//继承EditText，设置便签设置文本框 + private static final String TAG = "NoteEditText";//类的名称，可以用来输出日志文件 + private int mIndex;//建立一个字符和整数的表，存放电话号码、网址、邮箱 + private int mSelectionStartBeforeDelete;//声明整型变量，获取删除文本前的位置 + + private static final String SCHEME_TEL = "tel:" ;//声明字符串常量，标志电话、网址、邮件 + private static final String SCHEME_HTTP = "http:" ;//文本中网页内容 + private static final String SCHEME_EMAIL = "mailto:" ;//文本中邮件内容 + + private static final Map sSchemaActionResMap = new HashMap();//设置映射，将文本内容（电话、网址、邮件）做链接处理 + static { + sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); + sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web); + sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email); + }//在NoteEditActivity进行文本的操作，删除，进入，编辑 + + /** + * Call by the {@link NoteEditActivity} to delete or add edit text + */ + public interface OnTextViewChangeListener {//接口OnTextViewChangeListener，会被NoteEditActivity大量调用，其中定义了在编辑文本中delete、点击enter、text改变时的方法 + /** + * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens + * and the text is null + */ + void onEditTextDelete(int index, String text);//当delete键按下时删除当前编辑的文字块 + + /** + * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} + * happen + */ + void onEditTextEnter(int index, String text);//当触发输入文本KeyEvent时增添文本 + + /** + * Hide or show item option when text change + */ + void onTextChange(int index, boolean hasText);//文字更改时隐藏或显示项目选项 + } + + private OnTextViewChangeListener mOnTextViewChangeListener;//新建私有变量：文本改变的监听器 + + public NoteEditText(Context context) {//根据context设置文本 + super(context, null);//用super引用父类变量 + mIndex = 0;//设置当前光标 + } + + public void setIndex(int index) { + mIndex = index; + }//初始化文本修改标记,更新光标指向的索引值 + + public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { + mOnTextViewChangeListener = listener; + }//设置文本视图变化监听器 + + public NoteEditText(Context context, AttributeSet attrs) {//自定义空控件属性，用于维护便签动态变化，这个函数功能为初始化便签 + super(context, attrs, android.R.attr.editTextStyle); + } + +// public NoteEditText(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle);\ + // TODO Auto-generated constructor stub + }//自定义控件，用于维护便签动态变化的属性。初始化便签 + + @Override + public boolean onTouchEvent(MotionEvent event) {//view里的函数，处理手机屏幕的所有事件。参数event为手机屏幕触摸事件封装类的对象，其中封装了该事件的所有信息，例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。 + switch (event.getAction()) {//重写屏幕触发事件 + case MotionEvent.ACTION_DOWN://更新坐标 + + int x = (int) event.getX();//更新x值为当前触摸处的x值 + int y = (int) event.getY();//更新y值为当前触摸处的y值 + x -= getTotalPaddingLeft();//减去左边控件的距离 + y -= getTotalPaddingTop();//减去上方控件的距离 + x += getScrollX(); + y += getScrollY();//加上滚轮滚过的距离 + + Layout layout = getLayout();//用布局控件layout根据x,y的新值设置新的位置 + int line = layout.getLineForVertical(y);//获取纵向行数 + int off = layout.getOffsetForHorizontal(line, x);//获取横向偏移量 + Selection.setSelection(getText(), off);//更新光标位置 + break; + } + + return super.onTouchEvent(event);//调用父类，当屏幕有Touch事件时，此方法就会被调用。 + } + + @Override + public boolean onKeyDown(int keyCode, KeyEvent event) {//处理用户按下一个键盘按键时会触发 的事件 + switch (keyCode) {//根据按键的KeyCode来处理 + case KeyEvent.KEYCODE_ENTER://按下回车时,如果mOnTextViewChangeListener存在则返回false + if (mOnTextViewChangeListener != null) { + return false; + } + break; + case KeyEvent.KEYCODE_DEL://删除按键 + mSelectionStartBeforeDelete = getSelectionStart();//获取删除文本开始位置 + break; + default://其他情况,返回父类的onKeyDown值 + break; + } + return super.onKeyDown(keyCode, event);//继续执行父类的其他点击事件 + } + + @Override + public boolean onKeyUp(int keyCode, KeyEvent event) {//处理用户松开一个键盘按键时会触发的事件 + switch(keyCode) {//根据按键的 Unicode 编码值来处理，有删除和进入2种操作 + case KeyEvent.KEYCODE_DEL://若触发修改且文档不为空，则调用前面代码的onEditTextDelete函数进行文本删除 + if (mOnTextViewChangeListener != null) { + if (0 == mSelectionStartBeforeDelete && mIndex != 0) { + mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); + return true;//利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除 + } + } else { + Log.d(TAG, "OnTextViewChangeListener was not seted");//其他情况报错，文档的改动监听器并没有建立 + } + break; + case KeyEvent.KEYCODE_ENTER://若文档改动监听器已建立，则获取当前位置和文本，并根据获取的信息调用onEditTextEnter函数进行文本增添 + if (mOnTextViewChangeListener != null) { + int selectionStart = getSelectionStart(); + String text = getText().subSequence(selectionStart, length()).toString();//获取选择区域后面的文本信息 + setText(getText().subSequence(0, selectionStart));//实现文本换行的功能 + mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);//将选择区域内的文字移到下一行 + } else { + Log.d(TAG, "OnTextViewChangeListener was not seted");//其他情况报错，监听器OnTextViewChangeListener并没有建立。 + } + break; + default: + break; + } + return super.onKeyUp(keyCode, event);//继续执行父类的其他按键弹起的事件 + } + + @Override + protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {//这个函数规定了编辑文本焦点改变时的系统响应 + if (mOnTextViewChangeListener != null) {//若监听器已建立 + if (!focused && TextUtils.isEmpty(getText())) {//获取到焦点并且文本不为空 + mOnTextViewChangeListener.onTextChange(mIndex, false);//置false隐藏事件选项 + } else { + mOnTextViewChangeListener.onTextChange(mIndex, true);//置true显示事件选项 + } + } + super.onFocusChanged(focused, direction, previouslyFocusedRect);//执行父类的其他焦点变化的事件 + } + + @Override + protected void onCreateContextMenu(ContextMenu menu) {//生成上下文菜单 + if (getText() instanceof Spanned) {//若有文本存在 + int selStart = getSelectionStart(); + int selEnd = getSelectionEnd();////获取文本开始结尾位置 + + int min = Math.min(selStart, selEnd); +// int max = Math.max(selStart, selEnd);//获取开始到结尾的最大、最小值 + final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);//设置url的信息的范围值 + if (urls.length == 1) { + int defaultResId = 0;// 默认的资源ID值为0 + for(String schema: sSchemaActionResMap.keySet()) {//获取计划表中所有的key值 + if(urls[0].getURL().indexOf(schema) >= 0) { + defaultResId = sSchemaActionResMap.get(schema); + break; + }//若url可以添加则在添加后将defaultResId置为key所映射的值 + } + if (defaultResId == 0) { + defaultResId = R.string.note_link_other; + }//defaultResId == 0则说明url并没有添加任何东西，所以置为连接其他SchemaActionResMap的值 + menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(//建立菜单 + new OnMenuItemClickListener() {//新建按键监听器 + public boolean onMenuItemClick(MenuItem item) {//如果点击菜单执行操作 + // goto a new intent + urls[0].onClick(NoteEditText.this);//根据相应的文本设置菜单的按键 + return true; + } + }); + } + } + super.onCreateContextMenu(menu);//创建文本菜单 + } +} diff --git a/src/ui/NoteItemData.java b/src/ui/NoteItemData.java new file mode 100644 index 0000000..3473ca0 --- /dev/null +++ b/src/ui/NoteItemData.java @@ -0,0 +1,223 @@ +/* + * 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.ui; + +import android.content.Context; +import android.database.Cursor; +import android.text.TextUtils; + +import net.micode.notes.data.Contact; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.tool.DataUtils; + + +public class NoteItemData {//便签数据的记录，包括各种常量，参数 + static final String [] PROJECTION = new String [] {//将便签id，提醒时间，背景颜色id，创建时间，关联桌面挂件，修改时间，便签数量，父文件夹id，文件夹id（便签的一段内容），便签的种类，桌面挂件的id，桌面挂件的类型的名称放在一个PROJECTION的字符串数组里 + NoteColumns.ID,//每个便签的序号ID + NoteColumns.ALERTED_DATE,//提醒日期 + NoteColumns.BG_COLOR_ID,//背景颜色的序号id + NoteColumns.CREATED_DATE,//创建日期 + NoteColumns.HAS_ATTACHMENT,//是否含有附件 + NoteColumns.MODIFIED_DATE,//修改日期 + NoteColumns.NOTES_COUNT,//便签数量 + NoteColumns.PARENT_ID, + NoteColumns.SNIPPET,//文件夹名称或者文本注释内容 + NoteColumns.TYPE,//note的种类 + NoteColumns.WIDGET_ID,//挂件id + NoteColumns.WIDGET_TYPE,//挂件的类型 + }; + + private static final int ID_COLUMN = 0; + private static final int ALERTED_DATE_COLUMN = 1; + private static final int BG_COLOR_ID_COLUMN = 2; + private static final int CREATED_DATE_COLUMN = 3; + private static final int HAS_ATTACHMENT_COLUMN = 4; + private static final int MODIFIED_DATE_COLUMN = 5; + private static final int NOTES_COUNT_COLUMN = 6; + private static final int PARENT_ID_COLUMN = 7; + private static final int SNIPPET_COLUMN = 8; + private static final int TYPE_COLUMN = 9; + private static final int WIDGET_ID_COLUMN = 10; + private static final int WIDGET_TYPE_COLUMN = 11; + + private long mId;//PROJECT的字符串名称对应的值 + private long mAlertDate; + private int mBgColorId; + private long mCreatedDate; + private boolean mHasAttachment; + private long mModifiedDate; + private int mNotesCount; + private long mParentId;//对方ID + private String mSnippet; + private int mType; + private int mWidgetId;//宽度 + private int mWidgetType;//宽度形式 + private String mName; + private String mPhoneNumber; + + private boolean mIsLastItem;//判断是否为最后一项 + private boolean mIsFirstItem; + private boolean mIsOnlyOneItem;//判断文件夹下是否只有一个便签 + private boolean mIsOneNoteFollowingFolder; + private boolean mIsMultiNotesFollowingFolder;//判断文件夹下是否有多个便签 + + public NoteItemData(Context context, Cursor cursor) {//初始化NoteItemData,利用光标和context获取的内容 + mId = cursor.getLong(ID_COLUMN);//获取指定数据，并以type类型传回 + mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); + mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); + mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN); + mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;//判断行列 + mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); + mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); + mParentId = cursor.getLong(PARENT_ID_COLUMN); + mSnippet = cursor.getString(SNIPPET_COLUMN);//获得字符串 + mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(//把每项前的方框符号和✔符号去掉 + NoteEditActivity.TAG_UNCHECKED, ""); + mType = cursor.getInt(TYPE_COLUMN); + mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); + mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); + + mPhoneNumber = "";//初始化电话号码的信息 + if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {//如果父文件的id是call_record_folder + mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);//使用DataUtils类中定义的函数获取电话号码信息 + if (!TextUtils.isEmpty(mPhoneNumber)) {//若mphonenumber里有符合字符串，则用contart功能连接 + mName = Contact.getContact(context, mPhoneNumber);//通过phonenumber，调用getContact，利用键值对获取对应的name + if (mName == null) { + mName = mPhoneNumber;//若未保存名字，以号码命名 + } + } + } + + if (mName == null) { + mName = ""; + }//若没有对name复制成功，则把name设置为空值 + checkPostion(cursor);//检查光标位置 + } + + private void checkPostion(Cursor cursor) {//根据光标位置设置标记 + mIsLastItem = cursor.isLast() ? true : false;//分别为各种描述状态的变量进行赋值 + mIsFirstItem = cursor.isFirst() ? true : false; + mIsOnlyOneItem = (cursor.getCount() == 1); + mIsMultiNotesFollowingFolder = false; + mIsOneNoteFollowingFolder = false;//初始化“多重子文件”“单一子文件”2个标记 + + if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//如果对象的类型为便签且不为第一个项 + int position = cursor.getPosition();//获得光标位置 + if (cursor.moveToPrevious()) {//如果光标移动 + if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER//若光标满足SYSTEM或FOLDER格式 + || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { + if (cursor.getCount() > (position + 1)) {//若光标位置大于当前位置，置多便签子文件夹标记为真 + mIsMultiNotesFollowingFolder = true;//设置为多重便签 + } else { + mIsOneNoteFollowingFolder = true; + } + } + if (!cursor.moveToNext()) {//若光标不能重新向下走则报错 + throw new IllegalStateException("cursor move to previous but can't move back"); + } + } + } + } + + public boolean isOneFollowingFolder() { + return mIsOneNoteFollowingFolder; + }//判断是否只有一个便签 + + public boolean isMultiFollowingFolder() { + return mIsMultiNotesFollowingFolder; + }//若数据父id为保存至文件夹模式的id且满足电话号码单元不为空，则isCallRecord为true + + public boolean isLast() { + return mIsLastItem; + }//判断是否为最后一个项 + + public String getCallName() { + return mName; + }//获得便签的姓名 + + public boolean isFirst() { + return mIsFirstItem; + }//判断是否是第一个项 + + public boolean isSingle() { + return mIsOnlyOneItem; + }//判断是否只有一个项 + + public long getId() { + return mId; + }//获得对应的ID值 + + public long getAlertDate() { + return mAlertDate; + }//获取设置的提醒时间 + + public long getCreatedDate() { + return mCreatedDate; + }//获取创建时间 + + public boolean hasAttachment() { + return mHasAttachment; + }//判断是否关联桌面挂件 + + public long getModifiedDate() { + return mModifiedDate; + }//获得修改后时间 + + public int getBgColorId() { + return mBgColorId; + }//获取背景颜色 + + public long getParentId() { + return mParentId; + }//获取父进程id + + public int getNotesCount() { + return mNotesCount; + }//获取便签数量 + + public long getFolderId () { + return mParentId; + }//获取文件夹id + + public int getType() { + return mType; + }//获得项的类型 + + public int getWidgetType() { + return mWidgetType; + }//获取挂件类型 + + public int getWidgetId() { + return mWidgetId; + }//获取挂件id + + public String getSnippet(){ + return mSnippet; + }//获取便签的外观片段 + public boolean hasAlert() { + return (mAlertDate > 0); + }//判读此便签是否有提醒功能 + + public boolean isCallRecord() { + return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); + }//如果父类id保存至文件夹模式并且电话号码单元不为空 + + public static int getNoteType(Cursor cursor) { + return cursor.getInt(TYPE_COLUMN); + }//获取便签类型 +} diff --git a/src/ui/NotesListActivity.java b/src/ui/NotesListActivity.java new file mode 100644 index 0000000..39f7772 --- /dev/null +++ b/src/ui/NotesListActivity.java @@ -0,0 +1,954 @@ +/* + * 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.ui; + +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Dialog; +import android.appwidget.AppWidgetManager; +import android.content.AsyncQueryHandler; +import android.content.ContentResolver; +import android.content.ContentValues; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.SharedPreferences; +import android.database.Cursor; +import android.os.AsyncTask; +import android.os.Bundle; +import android.preference.PreferenceManager; +import android.text.Editable; +import android.text.TextUtils; +import android.text.TextWatcher; +import android.util.Log; +import android.view.ActionMode; +import android.view.ContextMenu; +import android.view.ContextMenu.ContextMenuInfo; +import android.view.Display; +import android.view.HapticFeedbackConstants; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.MenuItem.OnMenuItemClickListener; +import android.view.MotionEvent; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.View.OnCreateContextMenuListener; +import android.view.View.OnTouchListener; +import android.view.inputmethod.InputMethodManager; +import android.widget.AdapterView; +import android.widget.AdapterView.OnItemClickListener; +import android.widget.AdapterView.OnItemLongClickListener; +import android.widget.Button; +import android.widget.EditText; +import android.widget.ListView; +import android.widget.PopupMenu; +import android.widget.TextView; +import android.widget.Toast; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.remote.GTaskSyncService; +import net.micode.notes.model.WorkingNote; +import net.micode.notes.tool.BackupUtils; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.ResourceParser; +import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; +import net.micode.notes.widget.NoteWidgetProvider_2x; +import net.micode.notes.widget.NoteWidgetProvider_4x; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.util.HashSet; + +public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {//在类的声明中，通过关键字extends来创建一个类的子类。一个类通过关键字implements声明自己使用一个或者多个接口。 + private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;//声明并赋值一些不可更改的私有属性 + + private static final int FOLDER_LIST_QUERY_TOKEN = 1;//查询记号 + + private static final int MENU_FOLDER_DELETE = 0;//删除菜单文件 + + private static final int MENU_FOLDER_VIEW = 1;//菜单中的查看文件夹对应值 + + private static final int MENU_FOLDER_CHANGE_NAME = 2;//修改菜单文件名称功能 + + private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";//第一次使用小米便签时的介绍语句 + + private enum ListEditState {//列表编辑状态类 + NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER + }; + + private ListEditState mState; + + private BackgroundQueryHandler mBackgroundQueryHandler;//后台疑问处理功能 + + private NotesListAdapter mNotesListAdapter;//便签列表配适器 + + private ListView mNotesListView;//主界面的视图 + + private Button mAddNewNote;//最下方添加便签的按钮 + + private boolean mDispatch;//是否调度的判断变量 + + private int mOriginY;//首次触摸时屏幕上的垂直距离（y值） + + private int mDispatchY;//重新调度时的触摸的在屏幕上的垂直距离 + + private TextView mTitleBar;//子文件夹下标头 + + private long mCurrentFolderId;//当前文件夹的ID + + private ContentResolver mContentResolver;//提供内容分析 + + private ModeCallback mModeCallBack;//返回调用方法 + + private static final String TAG = "NotesListActivity";//名称（可用于日志文件调试） + + public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;//列表滚动速度 + + private NoteItemData mFocusNoteDataItem;//光标指向的物件的数据内容 + + private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";//用于表明处于非父文件夹的其他文件夹下 + + private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"//用于表明处于父文件夹下（主列表） + + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR (" + + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND " + + NoteColumns.NOTES_COUNT + ">0)"; + + private final static int REQUEST_CODE_OPEN_NODE = 102;//打开某个便签时，创建活动的请求码 + private final static int REQUEST_CODE_NEW_NODE = 103;//打开某个便签时，创建活动的请求码 + + @Override//功能为Activity生命周期开始时调用的函数，用来保存读取状态，设置界面 + protected void onCreate(Bundle savedInstanceState) {//创建类 + super.onCreate(savedInstanceState);//引用父类对象 + setContentView(R.layout.note_list);//设置内容的视图 + initResources();//初始化类的资源 + + /** + * Insert an introduction when user firstly use this application + */ + setAppInfoFromRawRes();//当用户第一次访问APP时提供相关信息 + } + + @Override// 代表执行这个方法时，重写并调用了父类的方法 + protected void onActivityResult(int requestCode, int resultCode, Intent data) {//返回一些子模块完成的数据交给主Activity处理 + if (resultCode == RESULT_OK//当被销毁的活动是打开便签或者新建便签且结果码匹配时,把从编辑界面的光标数据删除 + && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { + mNotesListAdapter.changeCursor(null); + } else {//如果条件不满足，则将数据返回给父类，即调用父类的onActivityResult()。 + super.onActivityResult(requestCode, resultCode, data);//调用父类Activity的onActivityResult方法 将数据返回给父类处理 + } + } + + private void setAppInfoFromRawRes() {//利用原始资源文件设置APP的相关信息 + SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);//保存配置参数 + if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {//判断偏好，增加说明 + StringBuilder sb = new StringBuilder();//读取原生资源信息 + InputStream in = null;//输入流初始设置为空 + try {//使用getResources获取资源后,以openRawResource方法（不带后缀的资源文件名）打开这个文件。 + in = getResources().openRawResource(R.raw.introduction);//加载Welcome to use MIUI notes + if (in != null) {//如果信息不为空 + InputStreamReader isr = new InputStreamReader(in);//使用指定的字符集读取字节并将它们解码为字符 + BufferedReader br = new BufferedReader(isr);//分配缓冲区读取空间 + char [] buf = new char[1024]; + int len = 0; + while ((len = br.read(buf)) > 0) {//不断在buf中读取数据放入sb里 + sb.append(buf, 0, len);//使用append函数在指定元素的结尾插入内容 + } + } else { + Log.e(TAG, "Read introduction file error");//报错，读取文件错误 + return; + } + } catch (IOException e) {//IO出错，打印异常信息 + e.printStackTrace();//在命令行打印异常信息在程序中出错的位置及原因 + return; + } finally {//必然执行部分 + if(in != null) { + try { + in.close(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace();//输出栈轨迹 + } + } + } + + WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,//创建新便签 + AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, + ResourceParser.RED); + note.setWorkingText(sb.toString());//设置文本数据 + if (note.saveNote()) {//若存储条件成立，保存该便签 + sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();//更新保存note的信息 + } else { + Log.e(TAG, "Save introduction note error"); + return; + }//若便签保存不成功，则把错误信息打印到日志里 + } + } + + @Override + protected void onStart() {//代表activity生命周期开始 + super.onStart();//调用父类，启动活动 + startAsyncNotesListQuery();//同步列表中的便签信息 + } + + private void initResources() {//初始化资源 + mContentResolver = this.getContentResolver();//获取应用程序的数据 + mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());//动态创建后台请求处理器的实例 + mCurrentFolderId = Notes.ID_ROOT_FOLDER;//设置当前文件夹ID是根目录ID + mNotesListView = (ListView) findViewById(R.id.notes_list);//根据R文件中的id值查询到相应的View,然后返回 + mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), + null, false); + mNotesListView.setOnItemClickListener(new OnListItemClickListener());//设置项目点击监听 + mNotesListView.setOnItemLongClickListener(this);//设置长按监听器 + mNotesListAdapter = new NotesListAdapter(this);//创建便签视图配置器 + mNotesListView.setAdapter(mNotesListAdapter); + mAddNewNote = (Button) findViewById(R.id.btn_new_note);//在activity中要获取该按钮 + mAddNewNote.setOnClickListener(this);//点击监听 + mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());//屏幕监听 + mDispatch = false;//用于新建便签模块 + mDispatchY = 0;//初始y值设置为0 + mOriginY = 0;//加载文件夹下的标头资源 + mTitleBar = (TextView) findViewById(R.id.tv_title_bar);//加载文件夹下的标头资源 + mState = ListEditState.NOTE_LIST;//设置状态为主界面 + mModeCallBack = new ModeCallback();//对便签的方法调用，包括删除和移动 + } + + private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {//implements声明自己使用一个或多个接口 + private DropdownMenu mDropDownMenu;//下拉菜单 + private ActionMode mActionMode;//动作方式 + private MenuItem mMoveMenu;//移动菜单 + + public boolean onCreateActionMode(ActionMode mode, Menu menu) {//根据菜单和动作创建新动作 + getMenuInflater().inflate(R.menu.note_list_options, menu);//配置menu的布局 + menu.findItem(R.id.delete).setOnMenuItemClickListener(this);//为便签删除模块设定监听器 + mMoveMenu = menu.findItem(R.id.move);//获取菜单项目 + if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER//若父类id在文件夹中保存或者用户文件数量为零，设置移动菜单为不可见，否者设为可见 + || DataUtils.getUserFolderCount(mContentResolver) == 0) { + mMoveMenu.setVisible(false); + } else { + mMoveMenu.setVisible(true); + mMoveMenu.setOnMenuItemClickListener(this);//长按某一标签时，执行这个移动到文件夹按键变得可见 + } + mActionMode = mode; + mNotesListAdapter.setChoiceMode(true);//进入选择模式 + mNotesListView.setLongClickable(false);//关闭长按列表项发生事件功能 + mAddNewNote.setVisibility(View.GONE);//隐藏了新增便签按钮 + + View customView = LayoutInflater.from(NotesListActivity.this).inflate(//设置用户可视化界面 + R.layout.note_list_dropdown_menu, null);//加载下拉菜单的布局 + mode.setCustomView(customView); + mDropDownMenu = new DropdownMenu(NotesListActivity.this,//创建下拉菜单的实例对象 + (Button) customView.findViewById(R.id.selection_menu), + R.menu.note_list_dropdown);//为view添加dropDownMenu + mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){ + public boolean onMenuItemClick(MenuItem item) {//点击菜单时，设置为全选并更新菜单 + mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());//对应下拉菜单里的全选按键 + updateMenu();//更新菜单 + return true; + } + + }); + return true; + } + + private void updateMenu() {//用于用户在进行了勾选之后，更新列表 + int selectedCount = mNotesListAdapter.getSelectedCount();//获取被勾选的条目数量 + // Update dropdown menu + String format = getResources().getString(R.string.menu_select_title, selectedCount);//从原始资源中读取信息更改下拉菜单内容 + mDropDownMenu.setTitle(format);//更改标题 + MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);//全选操作 + if (item != null) {//当全选成功，则将“全选”菜单项改为“取消全选”菜单，否则仍保持“全选”菜单项 + if (mNotesListAdapter.isAllSelected()) {//如果便签列表适配器处于全选状态，设置为已勾选，并提供取消全选操作；否则设置为未勾选，提供全选操作 + item.setChecked(true);//取消全选 + item.setTitle(R.string.menu_deselect_all); + } else { + item.setChecked(false); + item.setTitle(R.string.menu_select_all); + } + } + } + + public boolean onPrepareActionMode(ActionMode mode, Menu menu) {//准备活动模式 + // TODO Auto-generated method stub + return false; + } + + public boolean onActionItemClicked(ActionMode mode, MenuItem item) {//菜单动作触发标记 + // TODO Auto-generated method stub + return false; + } + + public void onDestroyActionMode(ActionMode mode) {//销毁动作模式，设置便签可见 + mNotesListAdapter.setChoiceMode(false);//设置笔记列表适配器选择方式 + mNotesListView.setLongClickable(true);//长按操作 + mAddNewNote.setVisibility(View.VISIBLE);//设置新建的笔记为可见 + } + + public void finishActionMode() { + mActionMode.finish(); + }//动作模式结束,菜单勾选状态改变 + + public void onItemCheckedStateChanged(ActionMode mode, int position, long id,//勾选状态改变时，更改勾选标志，更新菜单 + boolean checked) {//点击菜单选项触发操作 + mNotesListAdapter.setCheckedItem(position, checked);//改变勾选的状态 + updateMenu();//更新菜单 + } + + public boolean onMenuItemClick(MenuItem item) {//判断菜单是否被点击 + if (mNotesListAdapter.getSelectedCount() == 0) {// 当勾选数为零时（即未点击），创建文本并显示 + Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none), + Toast.LENGTH_SHORT).show(); + return true; + } + + switch (item.getItemId()) {//根据id号判断是删除还是移动 + case R.id.delete://删除菜单项 + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);//警告对话框 + builder.setTitle(getString(R.string.alert_title_delete));//设置“删除选中的便签”的title + builder.setIcon(android.R.drawable.ic_dialog_alert);//设置提醒删除的图片 + builder.setMessage(getString(R.string.alert_message_delete_notes, + mNotesListAdapter.getSelectedCount()));//设置警告对话框的图标 + builder.setPositiveButton(android.R.string.ok,//设置否定按钮 + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, + int which) { + batchDelete();//执行批量删除操作 + } + }); + builder.setNegativeButton(android.R.string.cancel, null);//取消按键的视图 + builder.show(); + break; + case R.id.move://移动便签到文件夹 + startQueryDestinationFolders();//开始查询目标文件 + break; + default: + return false; + } + return true; + } + } + + private class NewNoteOnTouchListener implements OnTouchListener {//触摸便签监听器 + + public boolean onTouch(View v, MotionEvent event) {//触摸处理函数 + switch (event.getAction()) {//事件调用获取行为函数，根据不同动作，对应不同操作 + case MotionEvent.ACTION_DOWN: {//若是创建新便签，通过计算调整界面大小 + Display display = getWindowManager().getDefaultDisplay(); + int screenHeight = display.getHeight();//获取屏幕高度 + int newNoteViewHeight = mAddNewNote.getHeight();//获取新增便签的高度 + int start = screenHeight - newNoteViewHeight; + int eventY = start + (int) event.getY(); + /** + * Minus TitleBar's height + */ + if (mState == ListEditState.SUB_FOLDER) { + eventY -= mTitleBar.getHeight(); + start -= mTitleBar.getHeight(); + } + /** + * HACKME:When click the transparent part of "New Note" button, dispatch + * the event to the list view behind this button. The transparent part of + * "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel） + * and the line top of the button. The coordinate based on left of the "New + * Note" button. The 94 represents maximum height of the transparent part. + * Notice that, if the background of the button changes, the formula should + * also change. This is very bad, just for the UI designer's strong requirement. + */ + if (event.getY() < (event.getX() * (-0.12) + 94)) { + View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1 + - mNotesListView.getFooterViewsCount()); + if (view != null && view.getBottom() > start + && (view.getTop() < (start + 94))) { + mOriginY = (int) event.getY(); + mDispatchY = eventY; + event.setLocation(event.getX(), mDispatchY); + mDispatch = true; + return mNotesListView.dispatchTouchEvent(event); + } + } + break; + } + case MotionEvent.ACTION_MOVE: { + if (mDispatch) { + mDispatchY += (int) event.getY() - mOriginY; + event.setLocation(event.getX(), mDispatchY); + return mNotesListView.dispatchTouchEvent(event); + } + break; + } + default: { + if (mDispatch) { + event.setLocation(event.getX(), mDispatchY); + mDispatch = false; + return mNotesListView.dispatchTouchEvent(event); + } + break; + } + } + return false; + } + + }; + + private void startAsyncNotesListQuery() { + String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION + : NORMAL_SELECTION; + mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, + Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { + String.valueOf(mCurrentFolderId) + }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); + } + + private final class BackgroundQueryHandler extends AsyncQueryHandler { + public BackgroundQueryHandler(ContentResolver contentResolver) { + super(contentResolver); + } + + @Override + protected void onQueryComplete(int token, Object cookie, Cursor cursor) { + switch (token) { + case FOLDER_NOTE_LIST_QUERY_TOKEN: + mNotesListAdapter.changeCursor(cursor); + break; + case FOLDER_LIST_QUERY_TOKEN: + if (cursor != null && cursor.getCount() > 0) { + showFolderListMenu(cursor); + } else { + Log.e(TAG, "Query folder failed"); + } + break; + default: + return; + } + } + } + + private void showFolderListMenu(Cursor cursor) { + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(R.string.menu_title_select_folder); + final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor); + builder.setAdapter(adapter, new DialogInterface.OnClickListener() { + + public void onClick(DialogInterface dialog, int which) { + DataUtils.batchMoveToFolder(mContentResolver, + mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which)); + Toast.makeText( + NotesListActivity.this, + getString(R.string.format_move_notes_to_folder, + mNotesListAdapter.getSelectedCount(), + adapter.getFolderName(NotesListActivity.this, which)), + Toast.LENGTH_SHORT).show(); + mModeCallBack.finishActionMode(); + } + }); + builder.show(); + } + + private void createNewNote() { + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId); + this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE); + } + + private void batchDelete() { + new AsyncTask>() { + protected HashSet doInBackground(Void... unused) { + HashSet widgets = mNotesListAdapter.getSelectedWidget(); + if (!isSyncMode()) { + // if not synced, delete notes directly + if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter + .getSelectedItemIds())) { + } else { + Log.e(TAG, "Delete notes error, should not happens"); + } + } else { + // in sync mode, we'll move the deleted note into the trash + // folder + if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter + .getSelectedItemIds(), Notes.ID_TRASH_FOLER)) { + Log.e(TAG, "Move notes to trash folder error, should not happens"); + } + } + return widgets; + } + + @Override + protected void onPostExecute(HashSet widgets) { + if (widgets != null) { + for (AppWidgetAttribute widget : widgets) { + if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) { + updateWidget(widget.widgetId, widget.widgetType); + } + } + } + mModeCallBack.finishActionMode(); + } + }.execute(); + } + + private void deleteFolder(long folderId) { + if (folderId == Notes.ID_ROOT_FOLDER) { + Log.e(TAG, "Wrong folder id, should not happen " + folderId); + return; + } + + HashSet ids = new HashSet(); + ids.add(folderId); + HashSet widgets = DataUtils.getFolderNoteWidget(mContentResolver, + folderId); + if (!isSyncMode()) { + // if not synced, delete folder directly + DataUtils.batchDeleteNotes(mContentResolver, ids); + } else { + // in sync mode, we'll move the deleted folder into the trash folder + DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER); + } + if (widgets != null) { + for (AppWidgetAttribute widget : widgets) { + if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) { + updateWidget(widget.widgetId, widget.widgetType); + } + } + } + } + + private void openNode(NoteItemData data) { + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, data.getId()); + this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE); + } + + private void openFolder(NoteItemData data) { + mCurrentFolderId = data.getId(); + startAsyncNotesListQuery(); + if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { + mState = ListEditState.CALL_RECORD_FOLDER; + mAddNewNote.setVisibility(View.GONE); + } else { + mState = ListEditState.SUB_FOLDER; + } + if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { + mTitleBar.setText(R.string.call_record_folder_name); + } else { + mTitleBar.setText(data.getSnippet()); + } + mTitleBar.setVisibility(View.VISIBLE); + } + + public void onClick(View v) { + switch (v.getId()) { + case R.id.btn_new_note: + createNewNote(); + break; + default: + break; + } + } + + private void showSoftInput() { + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); + if (inputMethodManager != null) { + inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); + } + } + + private void hideSoftInput(View view) { + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); + inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0); + } + + private void showCreateOrModifyFolderDialog(final boolean create) { + final AlertDialog.Builder builder = new AlertDialog.Builder(this); + View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null); + final EditText etName = (EditText) view.findViewById(R.id.et_foler_name); + showSoftInput(); + if (!create) { + if (mFocusNoteDataItem != null) { + etName.setText(mFocusNoteDataItem.getSnippet()); + builder.setTitle(getString(R.string.menu_folder_change_name)); + } else { + Log.e(TAG, "The long click data item is null"); + return; + } + } else { + etName.setText(""); + builder.setTitle(this.getString(R.string.menu_create_folder)); + } + + builder.setPositiveButton(android.R.string.ok, null); + builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + hideSoftInput(etName); + } + }); + + final Dialog dialog = builder.setView(view).show(); + final Button positive = (Button)dialog.findViewById(android.R.id.button1); + positive.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + hideSoftInput(etName); + String name = etName.getText().toString(); + if (DataUtils.checkVisibleFolderName(mContentResolver, name)) { + Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name), + Toast.LENGTH_LONG).show(); + etName.setSelection(0, etName.length()); + return; + } + if (!create) { + if (!TextUtils.isEmpty(name)) { + ContentValues values = new ContentValues(); + values.put(NoteColumns.SNIPPET, name); + values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); + values.put(NoteColumns.LOCAL_MODIFIED, 1); + mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID + + "=?", new String[] { + String.valueOf(mFocusNoteDataItem.getId()) + }); + } + } else if (!TextUtils.isEmpty(name)) { + ContentValues values = new ContentValues(); + values.put(NoteColumns.SNIPPET, name); + values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); + mContentResolver.insert(Notes.CONTENT_NOTE_URI, values); + } + dialog.dismiss(); + } + }); + + if (TextUtils.isEmpty(etName.getText())) { + positive.setEnabled(false); + } + /** + * When the name edit text is null, disable the positive button + */ + etName.addTextChangedListener(new TextWatcher() { + public void beforeTextChanged(CharSequence s, int start, int count, int after) { + // TODO Auto-generated method stub + + } + + public void onTextChanged(CharSequence s, int start, int before, int count) { + if (TextUtils.isEmpty(etName.getText())) { + positive.setEnabled(false); + } else { + positive.setEnabled(true); + } + } + + public void afterTextChanged(Editable s) { + // TODO Auto-generated method stub + + } + }); + } + + @Override + public void onBackPressed() { + switch (mState) { + case SUB_FOLDER: + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + mState = ListEditState.NOTE_LIST; + startAsyncNotesListQuery(); + mTitleBar.setVisibility(View.GONE); + break; + case CALL_RECORD_FOLDER: + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + mState = ListEditState.NOTE_LIST; + mAddNewNote.setVisibility(View.VISIBLE); + mTitleBar.setVisibility(View.GONE); + startAsyncNotesListQuery(); + break; + case NOTE_LIST: + super.onBackPressed(); + break; + default: + break; + } + } + + private void updateWidget(int appWidgetId, int appWidgetType) { + Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); + if (appWidgetType == Notes.TYPE_WIDGET_2X) { + intent.setClass(this, NoteWidgetProvider_2x.class); + } else if (appWidgetType == Notes.TYPE_WIDGET_4X) { + intent.setClass(this, NoteWidgetProvider_4x.class); + } else { + Log.e(TAG, "Unspported widget type"); + return; + } + + intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { + appWidgetId + }); + + sendBroadcast(intent); + setResult(RESULT_OK, intent); + } + + private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() { + public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { + if (mFocusNoteDataItem != null) { + menu.setHeaderTitle(mFocusNoteDataItem.getSnippet()); + menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view); + menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete); + menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name); + } + } + }; + + @Override + public void onContextMenuClosed(Menu menu) { + if (mNotesListView != null) { + mNotesListView.setOnCreateContextMenuListener(null); + } + super.onContextMenuClosed(menu); + } + + @Override + public boolean onContextItemSelected(MenuItem item) { + if (mFocusNoteDataItem == null) { + Log.e(TAG, "The long click data item is null"); + return false; + } + switch (item.getItemId()) { + case MENU_FOLDER_VIEW: + openFolder(mFocusNoteDataItem); + break; + case MENU_FOLDER_DELETE: + AlertDialog.Builder builder = new AlertDialog.Builder(this); + builder.setTitle(getString(R.string.alert_title_delete)); + builder.setIcon(android.R.drawable.ic_dialog_alert); + builder.setMessage(getString(R.string.alert_message_delete_folder)); + builder.setPositiveButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + deleteFolder(mFocusNoteDataItem.getId()); + } + }); + builder.setNegativeButton(android.R.string.cancel, null); + builder.show(); + break; + case MENU_FOLDER_CHANGE_NAME: + showCreateOrModifyFolderDialog(false); + break; + default: + break; + } + + return true; + } + + @Override + public boolean onPrepareOptionsMenu(Menu menu) { + menu.clear(); + if (mState == ListEditState.NOTE_LIST) { + getMenuInflater().inflate(R.menu.note_list, menu); + // set sync or sync_cancel + menu.findItem(R.id.menu_sync).setTitle( + GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync); + } else if (mState == ListEditState.SUB_FOLDER) { + getMenuInflater().inflate(R.menu.sub_folder, menu); + } else if (mState == ListEditState.CALL_RECORD_FOLDER) { + getMenuInflater().inflate(R.menu.call_record_folder, menu); + } else { + Log.e(TAG, "Wrong state:" + mState); + } + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case R.id.menu_new_folder: { + showCreateOrModifyFolderDialog(true); + break; + } + case R.id.menu_export_text: { + exportNoteToText(); + break; + } + case R.id.menu_sync: { + if (isSyncMode()) { + if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) { + GTaskSyncService.startSync(this); + } else { + GTaskSyncService.cancelSync(this); + } + } else { + startPreferenceActivity(); + } + break; + } + case R.id.menu_setting: { + startPreferenceActivity(); + break; + } + case R.id.menu_new_note: { + createNewNote(); + break; + } + case R.id.menu_search: + onSearchRequested(); + break; + default: + break; + } + return true; + } + + @Override + public boolean onSearchRequested() { + startSearch(null, false, null /* appData */, false); + return true; + } + + private void exportNoteToText() { + final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); + new AsyncTask() { + + @Override + protected Integer doInBackground(Void... unused) { + return backup.exportToText(); + } + + @Override + protected void onPostExecute(Integer result) { + if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) { + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(NotesListActivity.this + .getString(R.string.failed_sdcard_export)); + builder.setMessage(NotesListActivity.this + .getString(R.string.error_sdcard_unmounted)); + builder.setPositiveButton(android.R.string.ok, null); + builder.show(); + } else if (result == BackupUtils.STATE_SUCCESS) { + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(NotesListActivity.this + .getString(R.string.success_sdcard_export)); + builder.setMessage(NotesListActivity.this.getString( + R.string.format_exported_file_location, backup + .getExportedTextFileName(), backup.getExportedTextFileDir())); + builder.setPositiveButton(android.R.string.ok, null); + builder.show(); + } else if (result == BackupUtils.STATE_SYSTEM_ERROR) { + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(NotesListActivity.this + .getString(R.string.failed_sdcard_export)); + builder.setMessage(NotesListActivity.this + .getString(R.string.error_sdcard_export)); + builder.setPositiveButton(android.R.string.ok, null); + builder.show(); + } + } + + }.execute(); + } + + private boolean isSyncMode() { + return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; + } + + private void startPreferenceActivity() { + Activity from = getParent() != null ? getParent() : this; + Intent intent = new Intent(from, NotesPreferenceActivity.class); + from.startActivityIfNeeded(intent, -1); + } + + private class OnListItemClickListener implements OnItemClickListener { + + public void onItemClick(AdapterView parent, View view, int position, long id) { + if (view instanceof NotesListItem) { + NoteItemData item = ((NotesListItem) view).getItemData(); + if (mNotesListAdapter.isInChoiceMode()) { + if (item.getType() == Notes.TYPE_NOTE) { + position = position - mNotesListView.getHeaderViewsCount(); + mModeCallBack.onItemCheckedStateChanged(null, position, id, + !mNotesListAdapter.isSelectedItem(position)); + } + return; + } + + switch (mState) { + case NOTE_LIST: + if (item.getType() == Notes.TYPE_FOLDER + || item.getType() == Notes.TYPE_SYSTEM) { + openFolder(item); + } else if (item.getType() == Notes.TYPE_NOTE) { + openNode(item); + } else { + Log.e(TAG, "Wrong note type in NOTE_LIST"); + } + break; + case SUB_FOLDER: + case CALL_RECORD_FOLDER: + if (item.getType() == Notes.TYPE_NOTE) { + openNode(item); + } else { + Log.e(TAG, "Wrong note type in SUB_FOLDER"); + } + break; + default: + break; + } + } + } + + } + + private void startQueryDestinationFolders() { + String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; + selection = (mState == ListEditState.NOTE_LIST) ? selection: + "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")"; + + mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN, + null, + Notes.CONTENT_NOTE_URI, + FoldersListAdapter.PROJECTION, + selection, + new String[] { + String.valueOf(Notes.TYPE_FOLDER), + String.valueOf(Notes.ID_TRASH_FOLER), + String.valueOf(mCurrentFolderId) + }, + NoteColumns.MODIFIED_DATE + " DESC"); + } + + public boolean onItemLongClick(AdapterView parent, View view, int position, long id) { + if (view instanceof NotesListItem) { + mFocusNoteDataItem = ((NotesListItem) view).getItemData(); + if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) { + if (mNotesListView.startActionMode(mModeCallBack) != null) { + mModeCallBack.onItemCheckedStateChanged(null, position, id, true); + mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); + } else { + Log.e(TAG, "startActionMode fails"); + } + } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) { + mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener); + } + } + return false; + } +} diff --git a/src/ui/NotesListItem.java b/src/ui/NotesListItem.java new file mode 100644 index 0000000..3231942 --- /dev/null +++ b/src/ui/NotesListItem.java @@ -0,0 +1,122 @@ +/* + * 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.ui; + +import android.content.Context; +import android.text.format.DateUtils; +import android.view.View; +import android.widget.CheckBox; +import android.widget.ImageView; +import android.widget.LinearLayout; +import android.widget.TextView; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.ResourceParser.NoteItemBgResources; + + +public class NotesListItem extends LinearLayout {//构建便签列表的各个项目的详细具体信息 + private ImageView mAlert;//闹钟图片 + private TextView mTitle;//文本标题 + private TextView mTime;//时间 + private TextView mCallName;//名称 + private NoteItemData mItemData;//标签数据 + private CheckBox mCheckBox;//勾选框 + + public NotesListItem(Context context) {//初始化基本信息 + super(context);//调整调用父类构造函数的顺序 + inflate(context, R.layout.note_item, this);//将xml定义的一个布局找出来 + mAlert = (ImageView) findViewById(R.id.iv_alert_icon);//从contentView中查找指定ID的View + mTitle = (TextView) findViewById(R.id.tv_title);//获取题目 + mTime = (TextView) findViewById(R.id.tv_time);//获取创建或修改时间 + mCallName = (TextView) findViewById(R.id.tv_name);//获取联系人姓名 + mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);//获取复选框 + } + + public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {//根据data的属性对各个控件的属性的控制 + if (choiceMode && data.getType() == Notes.TYPE_NOTE) {//如果当前处于选择模式下且数据类型为便签 + mCheckBox.setVisibility(View.VISIBLE);//设置View可见 + mCheckBox.setChecked(checked);//设置勾选 + } else { + mCheckBox.setVisibility(View.GONE);//设置复选框不可见 + } + + mItemData = data;//把数据传给标签 + if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {//设置控件属性，通过判断保存到文件夹的ID、当前ID以及父ID之间关系决定 + mCallName.setVisibility(View.GONE);//设置联系人名字不可见 + mAlert.setVisibility(View.VISIBLE);//设置闹钟图标可见 + mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);//设置外观风格 + mTitle.setText(context.getString(R.string.call_record_folder_name)//设置标题内容为文件夹名字、文件数和便签数 + + context.getString(R.string.format_folder_files_count, data.getNotesCount())); + mAlert.setImageResource(R.drawable.call_record);//设置图片来源 + } else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {//关于闹钟的设置 + mCallName.setVisibility(View.VISIBLE);//设置联系人姓名可见 + mCallName.setText(data.getCallName());//设置联系人姓名的文本内容 + mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);//设置title文本风格 + mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));//设置title的文本内容为便签内容的前面片段 + if (data.hasAlert()) {//如果时间提醒存在，设置图片来源，将时间提醒图标定为可见 + mAlert.setImageResource(R.drawable.clock);//图片来源的设置 + mAlert.setVisibility(View.VISIBLE);//将提醒图标设置为可见 + } else {//否则将提醒图标设置为不可见 + mAlert.setVisibility(View.GONE); + } + } else {//如果父类和当前id均与保存在文件夹中的id不同 + mCallName.setVisibility(View.GONE);//设置联系人姓名不可见 + mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);//设置title的文本格式 + + if (data.getType() == Notes.TYPE_FOLDER) {//设置Type格式 + mTitle.setText(data.getSnippet()//设置便签标题内容为便签的前面部分的内容+文件数+便签数 + + context.getString(R.string.format_folder_files_count, + data.getNotesCount()));//设置内容，从data编辑的日期中获取时间 + mAlert.setVisibility(View.GONE);//设置时间提醒图标为不可见 + } else {//如果不是文件夹类型,设置便签的title为便签内容的前面片段 + mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); + if (data.hasAlert()) {//若当前便签存在提醒闹钟时间，则显示相应的图片 + mAlert.setImageResource(R.drawable.clock);//将提醒图标设置为闹钟样式 + mAlert.setVisibility(View.VISIBLE);//设置提醒闹钟可见 + } else {//否则设置提醒图标不可见 + mAlert.setVisibility(View.GONE); + } + } + } + mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));//将时间设置为编辑便签的时间 + + setBackground(data);//从data里编辑的日期中获取内容和相关时间 + } + + private void setBackground(NoteItemData data) {//根据data的文件属性来设置背景 + int id = data.getBgColorId();//获取id，用此id用来获取背景颜色 + if (data.getType() == Notes.TYPE_NOTE) {//根据data的属性来是否为Note属性，分为4种情况 + if (data.isSingle() || data.isOneFollowingFolder()) {//单个数据或只有一个子文件夹 + setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));//设置背景来源为id的单个数据 + } else if (data.isLast()) {//若当前便签为最后一个,设置背景来源为id的最后一个数据 + setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); + } else if (data.isFirst() || data.isMultiFollowingFolder()) {//若是第一个数据或者有很多个子文件夹, 设置背景来源为id的第一个数据 + setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); + } else { + setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));//将便签设置为普通类型便签的背景 + } + } else {//则将背景设置为文件夹的背景 + setBackgroundResource(NoteItemBgResources.getFolderBgRes()); + } + } + + public NoteItemData getItemData() { + return mItemData; + }//返回当前便签的数据信息 +} diff --git a/src/ui/NotesPreferenceActivity.java b/src/ui/NotesPreferenceActivity.java new file mode 100644 index 0000000..b87168e --- /dev/null +++ b/src/ui/NotesPreferenceActivity.java @@ -0,0 +1,389 @@ +/* + * 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.ui; + +import android.accounts.Account; +import android.accounts.AccountManager; +import android.app.ActionBar; +import android.app.AlertDialog; +import android.content.BroadcastReceiver; +import android.content.ContentValues; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.SharedPreferences; +import android.os.Bundle; +import android.preference.Preference; +import android.preference.Preference.OnPreferenceClickListener; +import android.preference.PreferenceActivity; +import android.preference.PreferenceCategory; +import android.text.TextUtils; +import android.text.format.DateFormat; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.widget.Button; +import android.widget.TextView; +import android.widget.Toast; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.remote.GTaskSyncService; + + +public class NotesPreferenceActivity extends PreferenceActivity {//实现对背景颜色和字体大小的数据储存 + public static final String PREFERENCE_NAME = "notes_preferences";//优先名 + + public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";//同步账号 + + public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";//同步时间 + + public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";//背景颜色设置按键 + + private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";//账户同步密码 + + private static final String AUTHORITIES_FILTER_KEY = "authorities";//本地密码 + + private PreferenceCategory mAccountCategory;//账户分组 + + private GTaskReceiver mReceiver;//同步任务接收器 + + private Account[] mOriAccounts;//账户 + + private boolean mHasAddedAccount;//账户的hash标记 + + @Override + protected void onCreate(Bundle icicle) {//创建一个activity，在函数里完成所有的正常静态设置 + super.onCreate(icicle);//执行父类创建函数 + + /* using the app icon for navigation */ + getActionBar().setDisplayHomeAsUpEnabled(true);//给左上角图标的左边加上一个返回的图标 + + addPreferencesFromResource(R.xml.preferences);//从资源里添加布局文件 + mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);//根据同步账户密码进行账户分组 + mReceiver = new GTaskReceiver();//设置同步任务接收器 + IntentFilter filter = new IntentFilter();//设置过滤项 + filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);// + registerReceiver(mReceiver, filter); + + mOriAccounts = null;//初始化同步组件 + View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);//从xml获取Listview + getListView().addHeaderView(header, null, true);//列出所有选择 + } + + @Override//功能描述：重启活动 + protected void onResume() { + super.onResume();//activity交互功能的实现，用于接受用户的输入 + + // need to set sync account automatically if user has added a new + // account + if (mHasAddedAccount) {//若用户新加了账户则自动设置同步账户 + Account[] accounts = getGoogleAccounts();//获取google同步账户 + if (mOriAccounts != null && accounts.length > mOriAccounts.length) {//若原账户不为空且当前账户有增加 + for (Account accountNew : accounts) {//遍历账户 + boolean found = false;//更新账户 + for (Account accountOld : mOriAccounts) {//循环判断当前账户列表中的账户是否与新建账户名相同 + if (TextUtils.equals(accountOld.name, accountNew.name)) { + found = true; + break; + }//若没找到旧账户则只设置新账户为同步账户 + } + if (!found) {//如果当前新建账户不存在 + setSyncAccount(accountNew.name);//保存该账户 + break; + } + } + } + } + + refreshUI();//刷新标签界面 + } + + @Override//功能描述：销毁活动 + protected void onDestroy() {//销毁Activity + if (mReceiver != null) { + unregisterReceiver(mReceiver);//取消广播器的监听 + }//销毁接收器 + super.onDestroy();//执行销毁动作 + } + + private void loadAccountPreference() {//重新设置账户信息 + mAccountCategory.removeAll();//销毁所有的分组 + + Preference accountPref = new Preference(this);//建立首选项 + final String defaultAccount = getSyncAccountName(this);//默认账户为当前账户 + accountPref.setTitle(getString(R.string.preferences_account_title)); + accountPref.setSummary(getString(R.string.preferences_account_summary)); + accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {//设置首选项的大标题和小标题 + public boolean onPreferenceClick(Preference preference) {//建立监听器 + if (!GTaskSyncService.isSyncing()) {//不在同步状态下，如果没有默认的账户，显示选择账户的对话框，否则显示需要改变账户的对话框 + if (TextUtils.isEmpty(defaultAccount)) {//第一次设置账户 + // the first time to set account + showSelectAccountAlertDialog();//第一次建立账户，显示选择账户提示对话框 + } else { + // if the account has already been set, we need to promp + // user about the risk + showChangeAccountConfirmAlertDialog();//展示改变账户确认提醒对话框 + } + } else {//若在没有同步的情况下，则在toast中显示不能修改 + Toast.makeText(NotesPreferenceActivity.this, + R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) + .show();//正在同步，不能切换同步的账号 + } + return true; + } + }); + + mAccountCategory.addPreference(accountPref);//根据新建首选项编辑新的账户分组 + } + + private void loadSyncButton() {//设置同步按键和最近同步时间 + Button syncButton = (Button) findViewById(R.id.preference_sync_button);//配置资源，设置一个button + TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); + //获取同步按钮控件和最终同步时间的的窗口 + + // set button state + if (GTaskSyncService.isSyncing()) {//如果在同步状态下，则按钮设置为“取消同步” + syncButton.setText(getString(R.string.preferences_button_sync_cancel)); + syncButton.setOnClickListener(new View.OnClickListener() {//设置点击监听器 + public void onClick(View v) {//设置取消同步的响应方法 + GTaskSyncService.cancelSync(NotesPreferenceActivity.this); + } + }); + } else {//若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器 + syncButton.setText(getString(R.string.preferences_button_sync_immediately)); + syncButton.setOnClickListener(new View.OnClickListener() { + public void onClick(View v) {//点击行为 + GTaskSyncService.startSync(NotesPreferenceActivity.this);//开始同步 + } + }); + } + syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));//如果没有账户，则不可选“立即同步”的按键 + + // set last sync time设置上次同步时间 + if (GTaskSyncService.isSyncing()) {//如果正在同步则读取正在同步的进度，否则显示最后同步的时间 + lastSyncTimeView.setText(GTaskSyncService.getProgressString()); + lastSyncTimeView.setVisibility(View.VISIBLE); + } else {//若是非同步情况 + long lastSyncTime = getLastSyncTime(this); + if (lastSyncTime != 0) {//若最近同步时间不为0则显示最近同步时间 + lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, + DateFormat.format(getString(R.string.preferences_last_sync_time_format), + lastSyncTime))); + lastSyncTimeView.setVisibility(View.VISIBLE); + } else {//若时间为空直接设置为不可见状态 + lastSyncTimeView.setVisibility(View.GONE); + } + } + }//根据当前同步服务器设置时间显示框的文本以及可见性 + + private void refreshUI() {//刷新标签界面 + loadAccountPreference(); + loadSyncButton();//加载“保存”按钮 + } + + private void showSelectAccountAlertDialog() {//显示账户选择的对话框并进行账户的设置 + AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);//创建一个新的对话框 + + View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); + TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); + titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); + TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);//文本视图设置 + subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); + + dialogBuilder.setCustomTitle(titleView);//设置标题以及子标题的内容 + dialogBuilder.setPositiveButton(null, null);//不设置“确定”的按钮 + + Account[] accounts = getGoogleAccounts();//获取当前谷歌账户 + String defAccount = getSyncAccountName(this);//获得同步账户 + + mOriAccounts = accounts; + mHasAddedAccount = false;//获取同步账户信息 + + if (accounts.length > 0) {//如果有谷歌账户，则显示所有账户的名称，并设置为选项 + CharSequence[] items = new CharSequence[accounts.length]; + final CharSequence[] itemMapping = items; + int checkedItem = -1; + int index = 0; + for (Account account : accounts) {//通过循环检查账户列表 + if (TextUtils.equals(account.name, defAccount)) { + checkedItem = index; + }//在账户列表中查询到所需账户 + items[index++] = account.name; + } + dialogBuilder.setSingleChoiceItems(items, checkedItem,//在对话框建立一个单选的复选框 + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) {//响应对话框的点击 + setSyncAccount(itemMapping[which].toString());//点击则开始设置同步账户 + dialog.dismiss();//取消对话框 + refreshUI();//刷新界面 + } + }); + }//设置点击后执行的事件，包括检录新同步账户和刷新标签界面 + + View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);//添加新的账户 + dialogBuilder.setView(addAccountView);//给新加账户对话框设置自定义样式 + + final AlertDialog dialog = dialogBuilder.show();//显示对话框 + addAccountView.setOnClickListener(new View.OnClickListener() {//设置监听器 + public void onClick(View v) {//响应点击添加账户的请求 + mHasAddedAccount = true;//将新加账户的hash置为true + Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");//建立网络组件 + intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { + "gmail-ls" + }); + startActivityForResult(intent, -1);//跳回上一个选项 + dialog.dismiss(); + } + }); + } + + private void showChangeAccountConfirmAlertDialog() {//刷新标签界面 + AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);//创建一个新的对话框 + + View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); + TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); + titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, + getSyncAccountName(this))); + TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); + subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); + dialogBuilder.setCustomTitle(titleView);//根据同步修改的账户信息设置标题以及子标题的内容 + + CharSequence[] menuItemArray = new CharSequence[] { + getString(R.string.preferences_menu_change_account), + getString(R.string.preferences_menu_remove_account), + getString(R.string.preferences_menu_cancel) + };//设置对话框的自定义标题 + dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {//定义一些标记字符串 + public void onClick(DialogInterface dialog, int which) {//响应对话框的点击 + if (which == 0) {//如果是改变同步账户，则显示可选择的账户 + showSelectAccountAlertDialog(); + } else if (which == 1) { + removeSyncAccount(); + refreshUI(); + }//删除同步账户 + } + }); + dialogBuilder.show();//显示对话框 + } + + private Account[] getGoogleAccounts() {//获取谷歌账户 + AccountManager accountManager = AccountManager.get(this); + return accountManager.getAccountsByType("com.google"); + } + + private void setSyncAccount(String account) {//设置同步账户 + if (!getSyncAccountName(this).equals(account)) {//如果该账号不在同步账号列表中 + SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); + SharedPreferences.Editor editor = settings.edit();//编辑共享首选项 + if (account != null) {//如果账户不为空 + editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); + } else { + editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); + }//将该账号加入到首选项中 + editor.commit();//提交修改的数据 + + // clean up last sync time + setLastSyncTime(this, 0);//将最后同步时间清零 + + // clean up local gtask related info + new Thread(new Runnable() {//新线程的创建 + public void run() { + ContentValues values = new ContentValues(); + values.put(NoteColumns.GTASK_ID, ""); + values.put(NoteColumns.SYNC_ID, 0); + getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); + }//清除本地的gtask关联的信息 + }).start();//重置当地同步任务的信息 + + Toast.makeText(NotesPreferenceActivity.this,//设置一个toast提示信息，提示用户成功设置同步 + getString(R.string.preferences_toast_success_set_accout, account), + Toast.LENGTH_SHORT).show();//将toast的文本信息置为“设置账户成功”并显示出来 + } + } + + private void removeSyncAccount() {//删除同步账户 + SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);//存放数据和读取数据 + SharedPreferences.Editor editor = settings.edit();//设置共享首选项 + if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { + editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); + }//若当前首选项中有账户就删除 + if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { + editor.remove(PREFERENCE_LAST_SYNC_TIME); + }//删除当前首选项中有账户时间 + editor.commit();//提交更新后的数据 + + // clean up local gtask related info + new Thread(new Runnable() {//新线程的创建 + public void run() { + ContentValues values = new ContentValues(); + values.put(NoteColumns.GTASK_ID, ""); + values.put(NoteColumns.SYNC_ID, 0); + getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); + }//清除本地的gtask关联的信息，将一些参数设置为0或NULL + }).start(); + } + + public static String getSyncAccountName(Context context) { + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE); + return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); + }//获取同步账户名称 + + public static void setLastSyncTime(Context context, long time) { + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE); + SharedPreferences.Editor editor = settings.edit();//从共享首选项中找到相关账户并获取其编辑器 + editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); + editor.commit();//编辑最终同步时间并提交更新 + }//设置最终同步的时间 + + public static long getLastSyncTime(Context context) {//获取最终同步时间 + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE);//通过共享，获取时间 + return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); + } + + private class GTaskReceiver extends BroadcastReceiver {//接受同步信息 + + @Override + public void onReceive(Context context, Intent intent) {//响应接收广播的情况 + refreshUI(); + if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { + TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); + syncStatus.setText(intent + .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));////通过获取的数据在设置系统的状态 + }//获取随广播而来的Intent中的同步服务的数据 + + } + } + + public boolean onOptionsItemSelected(MenuItem item) {//处理菜单的选项 + switch (item.getItemId()) {//根据选项的id选择 + case android.R.id.home://返回主界面 + Intent intent = new Intent(this, NotesListActivity.class); + intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); + startActivity(intent);//创建活动 + return true; + default://在主页情况下在创建连接组件intent，发出清空的信号并开始一个相应的activity + return false; + } + } +}