From 74264765b432f18cbd7079b3ccbee753399ea99e Mon Sep 17 00:00:00 2001 From: xy <876218346@qq.com> Date: Fri, 19 May 2023 07:57:34 +0800 Subject: [PATCH] [ok] --- .../net/micode/notes/ui/NoteEditActivity.java | 344 ++-- .../micode/notes/ui/NotesListActivity.java | 1469 +++++++++-------- 2 files changed, 1015 insertions(+), 798 deletions(-) diff --git a/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java index 70e168f..9a4a6d2 100644 --- a/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java +++ b/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java @@ -87,8 +87,11 @@ import java.util.regex.Matcher; import java.util.regex.Pattern; -public class NoteEditActivity extends AppCompatActivity implements OnClickListener, + +public class NoteEditActivity extends Activity implements OnClickListener, NoteSettingChangedListener, OnTextViewChangeListener { + //该类主要是针对标签的编辑 + //继承了系统内部许多和监听有关的类 private class HeadViewHolder { public TextView tvModified; @@ -99,6 +102,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen public ImageView ibSetBgColor; } + //使用Map实现数据存储 private static final Map sBgSelectorBtnsMap = new HashMap(); static { sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); @@ -106,6 +110,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE); sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN); sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE); + //put函数是将指定值和指定键相连 } private static final Map sBgSelectorSelectionMap = new HashMap(); @@ -115,6 +120,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select); sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select); sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select); + //put函数是将指定值和指定键相连 } private static final Map sFontSizeBtnsMap = new HashMap(); @@ -123,6 +129,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL); sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM); sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER); + //put函数是将指定值和指定键相连 } private static final Map sFontSelectorSelectionMap = new HashMap(); @@ -131,27 +138,32 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select); sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select); sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select); + //put函数是将指定值和指定键相连 } + private static final String TAG = "NoteEditActivity"; private HeadViewHolder mNoteHeaderHolder; private View mHeadViewPanel; - + //私有化一个界面操作mHeadViewPanel,对表头的操作 private View mNoteBgColorSelector; - + //私有化一个界面操作mNoteBgColorSelector,对背景颜色的操作 private View mFontSizeSelector; - + //私有化一个界面操作mFontSizeSelector,对标签字体的操作 private EditText mNoteEditor; - + //声明编辑控件,对文本操作 private View mNoteEditorPanel; - - private WorkingNote mWorkingNote; - + //私有化一个界面操作mNoteEditorPanel,文本编辑的控制板 + //private WorkingNote mWorkingNote; + public WorkingNote mWorkingNote; + //对模板WorkingNote的初始化 private SharedPreferences mSharedPrefs; + //私有化SharedPreferences的数据存储方式 + //它的本质是基于XML文件存储key-value键值对数据 private int mFontSizeId; - + //用于操作字体的大小 private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; @@ -160,39 +172,21 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); private LinearLayout mEditTextList; - + //线性布局 private String mUserQuery; private Pattern mPattern; - private final int PHOTO_REQUEST = 1;//请求码 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.note_edit); - + //对数据库的访问操作 if (savedInstanceState == null && !initActivityState(getIntent())) { finish(); return; } initResources(); - - //根据id获取添加图片按钮 - final ImageButton add_img_btn = (ImageButton) findViewById(R.id.add_img_btn); - //为点击图片按钮设置监听器 - add_img_btn.setOnClickListener(new View.OnClickListener() { - @Override - public void onClick(View view) { - Log.d(TAG, "onClick: click add image button"); - //ACTION_GET_CONTENT: 允许用户选择特殊种类的数据,并返回(特殊种类的数据:照一张相片或录一段音) - Intent loadImage = new Intent(Intent.ACTION_GET_CONTENT); - //Category属性用于指定当前动作(Action)被执行的环境. - //CATEGORY_OPENABLE; 用来指示一个ACTION_GET_CONTENT的intent - loadImage.addCategory(Intent.CATEGORY_OPENABLE); - loadImage.setType("image/*"); - startActivityForResult(loadImage, PHOTO_REQUEST); - } - }); } /** @@ -210,7 +204,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen return; } Log.d(TAG, "Restoring from killed activity"); - } + }//为防止内存不足时程序的终止,在这里有一个保存现场的函数 } private boolean initActivityState(Intent intent) { @@ -222,34 +216,42 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) { long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); mUserQuery = ""; - + //如果用户实例化标签时,系统并未给出标签ID /** * Starting from the searched result */ + //根据键值查找ID if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); } - + //如果ID在数据库中未找到 if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { Intent jump = new Intent(this, NotesListActivity.class); startActivity(jump); + //程序将跳转到上面声明的intent——jump showToast(R.string.error_note_not_exist); finish(); return false; - } else { + } + //ID在数据库中找到 + else { mWorkingNote = WorkingNote.load(this, noteId); if (mWorkingNote == null) { Log.e(TAG, "load note failed with note id" + noteId); + //打印出红色的错误信息 finish(); return false; } } + //setSoftInputMode——软键盘输入模式 getWindow().setSoftInputMode( WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) { - // New note + // intent.getAction() + // 大多用于broadcast发送广播时给机制(intent)设置一个action,就是一个字符串 + // 用户可以通过receive(接受)intent,通过 getAction得到的字符串,来决定做什么 long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); @@ -257,7 +259,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen Notes.TYPE_WIDGET_INVALIDE); int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, ResourceParser.getDefaultBgId(this)); - + // intent.getInt(Long、String)Extra是对各变量的语法分析 // Parse call-record note String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER); long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0); @@ -274,15 +276,17 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen finish(); return false; } + //将电话号码与手机的号码簿相关 } else { mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, bgResId); mWorkingNote.convertToCallNote(phoneNumber, callDate); + // } } else { mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, bgResId); - } + }//创建一个新的WorkingNote getWindow().setSoftInputMode( WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE @@ -297,14 +301,16 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen } @Override - protected void onResume() {//能获得用户焦点:可以操作 + protected void onResume() { super.onResume(); - initNoteScreen();//初始化便签屏幕 + initNoteScreen(); } private void initNoteScreen() { + //对界面的初始化操作 mNoteEditor.setTextAppearance(this, TextAppearanceResources .getTexAppearanceResource(mFontSizeId)); + //设置外观 if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { switchToListMode(mWorkingNote.getContent()); } else { @@ -327,68 +333,28 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen * is not ready */ showAlertHeader(); - //将有图片路径的位置转换为图片 - convertToImage(); } - + //设置闹钟的显示 private void showAlertHeader() { if (mWorkingNote.hasClockAlert()) { long time = System.currentTimeMillis(); if (time > mWorkingNote.getAlertDate()) { mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); - } else { + } + //如果系统时间大于了闹钟设置的时间,那么闹钟失效 + else { mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); } mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); + //显示闹钟开启的图标 } else { mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE); mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE); }; } - //路径字符串格式 转换为 图片image格式 - private void convertToImage() { - NoteEditText noteEditText = (NoteEditText) findViewById(R.id.note_edit_view); //获取当前的edit - Editable editable = noteEditText.getText();//1.获取text - String noteText = editable.toString(); //2.将note内容转换为字符串 - int length = editable.length(); //内容的长度 - //3.截取img片段 [local]+uri+[local],提取uri - for(int i = 0; i < length; i++) { - for(int j = i; j < length; j++) { - String img_fragment = noteText.substring(i, j+1); //img_fragment:关于图片路径的片段 - if(img_fragment.length() > 15 && img_fragment.endsWith("[/local]") && img_fragment.startsWith("[local]")){ - int limit = 7; //[local]为7个字符 - //[local][/local]共15个字符,剩下的为真正的path长度 - int len = img_fragment.length()-15; - //从[local]之后的len个字符就是path - String path = img_fragment.substring(limit,limit+len);//获取到了图片路径 - Bitmap bitmap = null; - Log.d(TAG, "图片的路径是:"+path); - try { - bitmap = BitmapFactory.decodeFile(path);//将图片路径解码为图片格式 - } catch (Exception e) { - e.printStackTrace(); - } - if(bitmap!=null){ //若图片存在 - Log.d(TAG, "图片不为null"); - ImageSpan imageSpan = new ImageSpan(NoteEditActivity.this, bitmap); - //4.创建一个SpannableString对象,以便插入用ImageSpan对象封装的图像 - String ss = "[local]" + path + "[/local]"; - SpannableString spannableString = new SpannableString(ss); - //5.将指定的标记对象附加到文本的开始...结束范围 - spannableString.setSpan(imageSpan, 0, ss.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); - Log.d(TAG, "Create spannable string success!"); - Editable edit_text = noteEditText.getEditableText(); - edit_text.delete(i,i+len+15); //6.删掉图片路径的文字 - edit_text.insert(i, spannableString); //7.在路径的起始位置插入图片 - } - } - } - } - } - @Override protected void onNewIntent(Intent intent) { super.onNewIntent(intent); @@ -406,26 +372,29 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen if (!mWorkingNote.existInDatabase()) { saveNote(); } + //在创建一个新的标签时,先在数据库中匹配 + //如果不存在,那么先在数据库中存储 outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); } @Override + //MotionEvent是对屏幕触控的传递机制 public boolean dispatchTouchEvent(MotionEvent ev) { if (mNoteBgColorSelector.getVisibility() == View.VISIBLE && !inRangeOfView(mNoteBgColorSelector, ev)) { mNoteBgColorSelector.setVisibility(View.GONE); return true; - } + }//颜色选择器在屏幕上可见 if (mFontSizeSelector.getVisibility() == View.VISIBLE && !inRangeOfView(mFontSizeSelector, ev)) { mFontSizeSelector.setVisibility(View.GONE); return true; - } + }//字体大小选择器在屏幕上可见 return super.dispatchTouchEvent(ev); } - + //对屏幕触控的坐标进行操作 private boolean inRangeOfView(View view, MotionEvent ev) { int []location = new int[2]; view.getLocationOnScreen(location); @@ -434,9 +403,11 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen if (ev.getX() < x || ev.getX() > (x + view.getWidth()) || ev.getY() < y - || ev.getY() > (y + view.getHeight())) { - return false; - } + || ev.getY() > (y + view.getHeight())) + //如果触控的位置超出了给定的范围,返回false + { + return false; + } return true; } @@ -454,13 +425,13 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen for (int id : sBgSelectorBtnsMap.keySet()) { ImageView iv = (ImageView) findViewById(id); iv.setOnClickListener(this); - } + }//对标签各项属性内容的初始化 mFontSizeSelector = findViewById(R.id.font_size_selector); for (int id : sFontSizeBtnsMap.keySet()) { View view = findViewById(id); view.setOnClickListener(this); - }; + };//对字体大小的选择 mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this); mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE); /** @@ -483,6 +454,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen clearSettingState(); } + //和桌面小工具的同步 private void updateWidget() { Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { @@ -495,7 +467,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen } intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { - mWorkingNote.getWidgetId() + mWorkingNote.getWidgetId() }); sendBroadcast(intent); @@ -507,7 +479,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen if (id == R.id.btn_set_bg_color) { mNoteBgColorSelector.setVisibility(View.VISIBLE); findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( - View.VISIBLE); + View.VISIBLE); } else if (sBgSelectorBtnsMap.containsKey(id)) { findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( View.GONE); @@ -527,7 +499,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen } mFontSizeSelector.setVisibility(View.GONE); } - } + }//************************存在问题 @Override public void onBackPressed() { @@ -558,6 +530,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen } @Override + //对选择菜单的准备 public boolean onPrepareOptionsMenu(Menu menu) { if (isFinishing()) { return true; @@ -566,6 +539,7 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen menu.clear(); if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) { getMenuInflater().inflate(R.menu.call_note_edit, menu); + // MenuInflater是用来实例化Menu目录下的Menu布局文件的 } else { getMenuInflater().inflate(R.menu.note_edit, menu); } @@ -583,45 +557,71 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen } @Override + /* + * 函数功能:动态改变菜单选项内容 + * 函数实现:如下注释 + */ public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { + //根据菜单的id来编剧相关项目 case R.id.menu_new_note: + //创建一个新的便签 createNewNote(); break; case R.id.menu_delete: + //删除便签 AlertDialog.Builder builder = new AlertDialog.Builder(this); + //创建关于删除操作的对话框 builder.setTitle(getString(R.string.alert_title_delete)); + // 设置标签的标题为alert_title_delete builder.setIcon(android.R.drawable.ic_dialog_alert); + //设置对话框图标 builder.setMessage(getString(R.string.alert_message_delete_note)); + //设置对话框内容 builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { + //建立按键监听器 public void onClick(DialogInterface dialog, int which) { + //点击所触发事件 deleteCurrentNote(); + // 删除单签便签 finish(); } }); + //添加“YES”按钮 builder.setNegativeButton(android.R.string.cancel, null); + //添加“NO”的按钮 builder.show(); + //显示对话框 break; case R.id.menu_font_size: + //字体大小的编辑 mFontSizeSelector.setVisibility(View.VISIBLE); + // 将字体选择器置为可见 findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); + // 通过id找到相应的大小 break; case R.id.menu_list_mode: + //选择列表模式 mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? TextNote.MODE_CHECK_LIST : 0); break; case R.id.menu_share: + //菜单共享 getWorkingText(); sendTo(this, mWorkingNote.getContent()); + // 用sendto函数将运行文本发送到遍历的本文内 break; case R.id.menu_send_to_desktop: + //发送到桌面 sendToDesktop(); break; case R.id.menu_alert: + //创建提醒器 setReminder(); break; case R.id.menu_delete_remind: + //删除日期提醒 mWorkingNote.setAlertDate(0, false); break; default: @@ -630,111 +630,172 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen return true; } + + /* + * 函数功能:建立事件提醒器 + * 函数实现:如下注释 + */ private void setReminder() { DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); + // 建立修改时间日期的对话框 d.setOnDateTimeSetListener(new OnDateTimeSetListener() { public void OnDateTimeSet(AlertDialog dialog, long date) { mWorkingNote.setAlertDate(date , true); + //选择提醒的日期 } }); + //建立时间日期的监听器 d.show(); + //显示对话框 } /** * Share note to apps that support {@link Intent#ACTION_SEND} action * and {@text/plain} type */ + /* + * 函数功能:共享便签 + * 函数实现:如下注释 + */ private void sendTo(Context context, String info) { Intent intent = new Intent(Intent.ACTION_SEND); + //建立intent链接选项 intent.putExtra(Intent.EXTRA_TEXT, info); + //将需要传递的便签信息放入text文件中 intent.setType("text/plain"); + //编辑连接器的类型 context.startActivity(intent); + //在acti中进行链接 } + /* + * 函数功能:创建一个新的便签 + * 函数实现:如下注释 + */ private void createNewNote() { // Firstly, save current editing notes + //保存当前便签 saveNote(); // For safety, start a new NoteEditActivity finish(); Intent intent = new Intent(this, NoteEditActivity.class); + //设置链接器 intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + //该活动定义为创建或编辑 intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); + //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中 startActivity(intent); + //开始activity并链接 } + + /* + * 函数功能:删除当前便签 + * 函数实现:如下注释 + */ private void deleteCurrentNote() { if (mWorkingNote.existInDatabase()) { + //假如当前运行的便签内存有数据 HashSet ids = new HashSet(); long id = mWorkingNote.getNoteId(); if (id != Notes.ID_ROOT_FOLDER) { ids.add(id); + //如果不是头文件夹建立一个hash表把便签id存起来 } else { Log.d(TAG, "Wrong note id, should not happen"); + //否则报错 } if (!isSyncMode()) { + //在非同步模式情况下 + //删除操作 if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { Log.e(TAG, "Delete Note error"); } } else { + //同步模式 + //移动至垃圾文件夹的操作 if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { Log.e(TAG, "Move notes to trash folder error, should not happens"); } } } mWorkingNote.markDeleted(true); + //将这些标签的删除标记置为true } + /* + * 函数功能:判断是否为同步模式 + * 函数实现:直接看NotesPreferenceActivity中同步名称是否为空 + */ private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } + /* + * 函数功能:设置提醒时间 + * 函数实现:如下注释 + */ public void onClockAlertChanged(long date, boolean set) { /** * User could set clock to an unsaved note, so before setting the * alert clock, we should save the note first */ if (!mWorkingNote.existInDatabase()) { + //首先保存已有的便签 saveNote(); } if (mWorkingNote.getNoteId() > 0) { Intent intent = new Intent(this, AlarmReceiver.class); intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); + //若有有运行的便签就是建立一个链接器将标签id都存在uri中 PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); + //设置提醒管理器 showAlertHeader(); if(!set) { alarmManager.cancel(pendingIntent); } else { alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); } + //如果用户设置了时间,就通过提醒管理器设置一个监听事项 } else { /** * There is the condition that user has input nothing (the note is * not worthy saving), we have no note id, remind the user that he * should input something */ + //没有运行的便签就报错 Log.e(TAG, "Clock alert setting error"); showToast(R.string.error_note_empty_for_clock); } } + /* + * 函数功能:Widget发生改变的所触发的事件 + */ public void onWidgetChanged() { - updateWidget(); + updateWidget();//更新Widget } + /* + * 函数功能: 删除编辑文本框所触发的事件 + * 函数实现:如下注释 + */ public void onEditTextDelete(int index, String text) { int childCount = mEditTextList.getChildCount(); if (childCount == 1) { return; } - + //没有编辑框的话直接返回 for (int i = index + 1; i < childCount; i++) { ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) .setIndex(i - 1); + //通过id把编辑框存在便签编辑框中 } mEditTextList.removeViewAt(index); + //删除特定位置的视图 NoteEditText edit = null; if(index == 0) { edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById( @@ -743,69 +804,102 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById( R.id.et_edit_text); } + //通过id把编辑框存在空的NoteEditText中 int length = edit.length(); edit.append(text); - edit.requestFocus(); - edit.setSelection(length); + edit.requestFocus();//请求优先完成该此 编辑 + edit.setSelection(length);//定位到length位置处的条目 } + /* + * 函数功能:进入编辑文本框所触发的事件 + * 函数实现:如下注释 + */ public void onEditTextEnter(int index, String text) { /** * Should not happen, check for debug */ if(index > mEditTextList.getChildCount()) { Log.e(TAG, "Index out of mEditTextList boundrary, should not happen"); + //越界把偶偶 } View view = getListItem(text, index); mEditTextList.addView(view, index); + //建立一个新的视图并添加到编辑文本框内 NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - edit.requestFocus(); - edit.setSelection(0); + edit.requestFocus();//请求优先操作 + edit.setSelection(0);//定位到起始位置 for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) .setIndex(i); + //遍历子文本框并设置对应对下标 } } + /* + * 函数功能:切换至列表模式 + * 函数实现:如下注释 + */ private void switchToListMode(String text) { mEditTextList.removeAllViews(); String[] items = text.split("\n"); int index = 0; + //清空所有视图,初始化下标 for (String item : items) { if(!TextUtils.isEmpty(item)) { mEditTextList.addView(getListItem(item, index)); index++; + //遍历所有文本单元并添加到文本框中 } } mEditTextList.addView(getListItem("", index)); mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); + //优先请求此操作 mNoteEditor.setVisibility(View.GONE); + //便签编辑器不可见 mEditTextList.setVisibility(View.VISIBLE); + //将文本编辑框置为可见 } + + /* + * 函数功能:获取高亮效果的反馈情况 + * 函数实现:如下注释 + */ private Spannable getHighlightQueryResult(String fullText, String userQuery) { SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); + //新建一个效果选项 if (!TextUtils.isEmpty(userQuery)) { mPattern = Pattern.compile(userQuery); + //将用户的询问进行解析 Matcher m = mPattern.matcher(fullText); + //建立一个状态机检查Pattern并进行匹配 int start = 0; while (m.find(start)) { spannable.setSpan( new BackgroundColorSpan(this.getResources().getColor( R.color.user_query_highlight)), m.start(), m.end(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE); + //设置背景颜色 start = m.end(); + //跟新起始位置 } } return spannable; } + /* + * 函数功能:获取列表项 + * 函数实现:如下注释 + */ private View getListItem(String item, int index) { View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); + //创建一个视图 final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + //创建一个文本编辑框并设置可见性 CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item)); cb.setOnCheckedChangeListener(new OnCheckedChangeListener() { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { @@ -816,12 +910,15 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen } } }); + //建立一个打钩框并设置监听器 if (item.startsWith(TAG_CHECKED)) { + //选择勾选 cb.setChecked(true); edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); item = item.substring(TAG_CHECKED.length(), item.length()).trim(); } else if (item.startsWith(TAG_UNCHECKED)) { + //选择不勾选 cb.setChecked(false); edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); item = item.substring(TAG_UNCHECKED.length(), item.length()).trim(); @@ -830,61 +927,94 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen edit.setOnTextViewChangeListener(this); edit.setIndex(index); edit.setText(getHighlightQueryResult(item, mUserQuery)); + //运行编辑框的监听器对该行为作出反应,并设置下标及文本内容 return view; } + /* + * 函数功能:便签内容发生改变所 触发的事件 + * 函数实现:如下注释 + */ public void onTextChange(int index, boolean hasText) { if (index >= mEditTextList.getChildCount()) { Log.e(TAG, "Wrong index, should not happen"); return; + //越界报错 } if(hasText) { mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE); } else { mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE); } + //如果内容不为空则将其子编辑框可见性置为可见,否则不可见 } + /* + * 函数功能:检查模式和列表模式的切换 + * 函数实现:如下注释 + */ public void onCheckListModeChanged(int oldMode, int newMode) { if (newMode == TextNote.MODE_CHECK_LIST) { switchToListMode(mNoteEditor.getText().toString()); + //检查模式切换到列表模式 } else { if (!getWorkingText()) { mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", "")); } + //若是获取到文本就改变其检查标记 mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); mEditTextList.setVisibility(View.GONE); mNoteEditor.setVisibility(View.VISIBLE); + //修改文本编辑器的内容和可见性 } } + /* + * 函数功能:设置勾选选项表并返回是否勾选的标记 + * 函数实现:如下注释 + */ private boolean getWorkingText() { boolean hasChecked = false; + //初始化check标记 if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + // 若模式为CHECK_LIST StringBuilder sb = new StringBuilder(); + //创建可变字符串 for (int i = 0; i < mEditTextList.getChildCount(); i++) { View view = mEditTextList.getChildAt(i); + //遍历所有子编辑框的视图 NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); if (!TextUtils.isEmpty(edit.getText())) { + //若文本不为空 if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { + //该选项框已打钩 sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); hasChecked = true; + //扩展字符串为已打钩并把标记置true } else { sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); + //扩展字符串添加未打钩 } } } mWorkingNote.setWorkingText(sb.toString()); + //利用编辑好的字符串设置运行便签的内容 } else { mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); + // 若不是该模式直接用编辑器中的内容设置运行中标签的内容 } return hasChecked; } + /* + * 函数功能:保存便签 + * 函数实现:如下注释 + */ private boolean saveNote() { getWorkingText(); boolean saved = mWorkingNote.saveNote(); + //运行 getWorkingText()之后保存 if (saved) { /** * There are two modes from List view to edit view, open one note, @@ -893,11 +1023,16 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen * new node requires to the top of the list. This code * {@link #RESULT_OK} is used to identify the create/edit state */ + //如英文注释所说链接RESULT_OK是为了识别保存的2种情况,一是创建后保存,二是修改后保存 setResult(RESULT_OK); } return saved; } + /* + * 函数功能:将便签发送至桌面 + * 函数实现:如下注释 + */ private void sendToDesktop() { /** * Before send message to home, we should make sure that current @@ -906,12 +1041,16 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen */ if (!mWorkingNote.existInDatabase()) { saveNote(); + //若不存在数据也就是新的标签就保存起来先 } if (mWorkingNote.getNoteId() > 0) { + //若是有内容 Intent sender = new Intent(); Intent shortcutIntent = new Intent(this, NoteEditActivity.class); + //建立发送到桌面的连接器 shortcutIntent.setAction(Intent.ACTION_VIEW); + //链接为一个视图 shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId()); sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); sender.putExtra(Intent.EXTRA_SHORTCUT_NAME, @@ -919,9 +1058,12 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app)); sender.putExtra("duplicate", true); + //将便签的相关信息都添加到要发送的文件里 sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); + //设置sneder的行为是发送 showToast(R.string.info_note_enter_desktop); sendBroadcast(sender); + //显示到桌面 } else { /** * There is the condition that user has input nothing (the note is @@ -930,9 +1072,11 @@ public class NoteEditActivity extends AppCompatActivity implements OnClickListen */ Log.e(TAG, "Send to desktop error"); showToast(R.string.error_note_empty_for_send_to_desktop); + //空便签直接报错 } } + private String makeShortcutIconTitle(String content) { content = content.replace(TAG_CHECKED, ""); content = content.replace(TAG_UNCHECKED, ""); diff --git a/app/src/main/java/net/micode/notes/ui/NotesListActivity.java b/app/src/main/java/net/micode/notes/ui/NotesListActivity.java index 93bef89..cc0db02 100644 --- a/app/src/main/java/net/micode/notes/ui/NotesListActivity.java +++ b/app/src/main/java/net/micode/notes/ui/NotesListActivity.java @@ -126,830 +126,903 @@ public class NotesListActivity extends AppCompatActivity implements OnClickListe private NoteItemData mFocusNoteDataItem; - private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?"; - private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>" - + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR (" - + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND " - + NoteColumns.NOTES_COUNT + ">0)"; +//主界面,一进入就是这个界面 + /** + * @author k + * + */ + public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { //没有用特定的标签加注释。。。感觉没有什么用 + private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; - private final static int REQUEST_CODE_OPEN_NODE = 102; - private final static int REQUEST_CODE_NEW_NODE = 103; + private static final int FOLDER_LIST_QUERY_TOKEN = 1; - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - setContentView(R.layout.note_list); - initResources(); + private static final int MENU_FOLDER_DELETE = 0; - /** - * Insert an introduction when user firstly use this application - */ - setAppInfoFromRawRes(); - } + private static final int MENU_FOLDER_VIEW = 1; + + private static final int MENU_FOLDER_CHANGE_NAME = 2; + + private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符 - @Override - protected void onActivityResult(int requestCode, int resultCode, Intent data) { - if (resultCode == RESULT_OK - && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { - mNotesListAdapter.changeCursor(null); - } else { - super.onActivityResult(requestCode, resultCode, data); + @Override + // 创建类 + protected void onCreate(final Bundle savedInstanceState) { //需要是final类型 根据程序上下文环境,Java关键字final有“这是无法改变的”或者“终态的”含义,它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变:设计或效率。 + // final类不能被继承,没有子类,final类中的方法默认是final的。 + //final方法不能被子类的方法覆盖,但可以被继承。 + //final成员变量表示常量,只能被赋值一次,赋值后值不再改变。 + //final不能用于修饰构造方法。 + super.onCreate(savedInstanceState); // 调用父类的onCreate函数 + setContentView(R.layout.note_list); + initResources(); + + /** + * Insert an introduction when user firstly use this application + */ + setAppInfoFromRawRes(); + } + + @Override + // 返回一些子模块完成的数据交给主Activity处理 + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + // 结果值 和 要求值 符合要求 + if (resultCode == RESULT_OK + && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { + mNotesListAdapter.changeCursor(null); + } else { + super.onActivityResult(requestCode, resultCode, data); + // 调用 Activity 的onActivityResult() + } } - } - private void setAppInfoFromRawRes() { - SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); - if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { - StringBuilder sb = new StringBuilder(); - InputStream in = null; - try { - in = getResources().openRawResource(R.raw.introduction); - if (in != null) { - InputStreamReader isr = new InputStreamReader(in); - BufferedReader br = new BufferedReader(isr); - char [] buf = new char[1024]; - int len = 0; - while ((len = br.read(buf)) > 0) { - sb.append(buf, 0, len); + private void setAppInfoFromRawRes() { + // Android平台给我们提供了一个SharedPreferences类,它是一个轻量级的存储类,特别适合用于保存软件配置参数。 + SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); + if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { + StringBuilder sb = new StringBuilder(); + InputStream in = null; + try { + // 把资源文件放到应用程序的/raw/raw下,那么就可以在应用中使用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); + if (in != null) { + InputStreamReader isr = new InputStreamReader(in); + BufferedReader br = new BufferedReader(isr); + char[] buf = new char[1024]; // 自行定义的数值,使用者不知道有什么意义 + int len = 0; + while ((len = br.read(buf)) > 0) { + sb.append(buf, 0, len); + } + } else { + Log.e(TAG, "Read introduction file error"); + return; } - } else { - Log.e(TAG, "Read introduction file error"); + } catch (IOException e) { + e.printStackTrace(); return; - } - } catch (IOException e) { - e.printStackTrace(); - return; - } finally { - if(in != null) { - try { - in.close(); - } catch (IOException e) { - // TODO Auto-generated catch block - e.printStackTrace(); + } finally { + if (in != null) { + try { + in.close(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } } } - } - WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, - AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, - ResourceParser.RED); - note.setWorkingText(sb.toString()); - if (note.saveNote()) { - sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); - } else { - Log.e(TAG, "Save introduction note error"); - return; + // 创建空的WorkingNote + WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, + AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, + ResourceParser.RED); + note.setWorkingText(sb.toString()); + if (note.saveNote()) { + // 更新保存note的信息 + sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); + } else { + Log.e(TAG, "Save introduction note error"); + return; + } } } - } - @Override - protected void onStart() { - super.onStart(); - startAsyncNotesListQuery(); - } - - private void initResources() { - mContentResolver = this.getContentResolver(); - mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); - mCurrentFolderId = Notes.ID_ROOT_FOLDER; - mNotesListView = (ListView) findViewById(R.id.notes_list); - mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), - null, false); - mNotesListView.setOnItemClickListener(new OnListItemClickListener()); - mNotesListView.setOnItemLongClickListener(this); - mNotesListAdapter = new NotesListAdapter(this); - mNotesListView.setAdapter(mNotesListAdapter); - mAddNewNote = (Button) findViewById(R.id.btn_new_note); - mAddNewNote.setOnClickListener(this); - mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); - mDispatch = false; - mDispatchY = 0; - mOriginY = 0; - mTitleBar = (TextView) findViewById(R.id.tv_title_bar); - mState = ListEditState.NOTE_LIST; - mModeCallBack = new ModeCallback(); - } - private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { - private DropdownMenu mDropDownMenu; - private ActionMode mActionMode; - private MenuItem mMoveMenu; - - public boolean onCreateActionMode(ActionMode mode, Menu menu) { - getMenuInflater().inflate(R.menu.note_list_options, menu); - menu.findItem(R.id.delete).setOnMenuItemClickListener(this); - mMoveMenu = menu.findItem(R.id.move); - if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER - || DataUtils.getUserFolderCount(mContentResolver) == 0) { - mMoveMenu.setVisible(false); - } else { - mMoveMenu.setVisible(true); - mMoveMenu.setOnMenuItemClickListener(this); - } - mActionMode = mode; - mNotesListAdapter.setChoiceMode(true); - mNotesListView.setLongClickable(false); - mAddNewNote.setVisibility(View.GONE); - - View customView = LayoutInflater.from(NotesListActivity.this).inflate( - R.layout.note_list_dropdown_menu, null); - mode.setCustomView(customView); - mDropDownMenu = new DropdownMenu(NotesListActivity.this, - (Button) customView.findViewById(R.id.selection_menu), - R.menu.note_list_dropdown); - mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){ - public boolean onMenuItemClick(MenuItem item) { - mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); - updateMenu(); - return true; - } + protected void onStart() { + super.onStart(); + startAsyncNotesListQuery(); + } - }); - return true; + // 初始化资源 + private void initResources() { + mContentResolver = this.getContentResolver(); // 获取应用程序的数据,得到类似数据表的东西 + mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + + // findViewById 是安卓编程的定位函数,主要是引用.R文件里的引用名 + mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView,作为Item的容器 + mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), + null, false); + mNotesListView.setOnItemClickListener(new OnListItemClickListener()); + mNotesListView.setOnItemLongClickListener(this); + mNotesListAdapter = new NotesListAdapter(this); + mNotesListView.setAdapter(mNotesListAdapter); + mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮 + mAddNewNote.setOnClickListener(this); + mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); + mDispatch = false; + mDispatchY = 0; + mOriginY = 0; + mTitleBar = (TextView) findViewById(R.id.tv_title_bar); + mState = ListEditState.NOTE_LIST; + mModeCallBack = new ModeCallback(); } - private void updateMenu() { - int selectedCount = mNotesListAdapter.getSelectedCount(); - // Update dropdown menu - String format = getResources().getString(R.string.menu_select_title, selectedCount); - mDropDownMenu.setTitle(format); - MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); - if (item != null) { - if (mNotesListAdapter.isAllSelected()) { - item.setChecked(true); - item.setTitle(R.string.menu_deselect_all); + // 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener + private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { + private DropdownMenu mDropDownMenu; + private ActionMode mActionMode; + private MenuItem mMoveMenu; + + public boolean onCreateActionMode(ActionMode mode, Menu menu) { + getMenuInflater().inflate(R.menu.note_list_options, menu); + menu.findItem(R.id.delete).setOnMenuItemClickListener(this); + mMoveMenu = menu.findItem(R.id.move); + if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER + || DataUtils.getUserFolderCount(mContentResolver) == 0) { + mMoveMenu.setVisible(false); } else { - item.setChecked(false); - item.setTitle(R.string.menu_select_all); + mMoveMenu.setVisible(true); + mMoveMenu.setOnMenuItemClickListener(this); } + mActionMode = mode; + mNotesListAdapter.setChoiceMode(true); + mNotesListView.setLongClickable(false); + mAddNewNote.setVisibility(View.GONE); + + View customView = LayoutInflater.from(NotesListActivity.this).inflate( + R.layout.note_list_dropdown_menu, null); + mode.setCustomView(customView); + mDropDownMenu = new DropdownMenu(NotesListActivity.this, + (Button) customView.findViewById(R.id.selection_menu), + R.menu.note_list_dropdown); + mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() { + public boolean onMenuItemClick(final MenuItem item) { + mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); + updateMenu(); + return true; + } + + }); + return true; } - } - public boolean onPrepareActionMode(ActionMode mode, Menu menu) { - // TODO Auto-generated method stub - return false; - } + // 更新菜单 + private void updateMenu() { + int selectedCount = mNotesListAdapter.getSelectedCount(); + // Update dropdown menu + String format = getResources().getString(R.string.menu_select_title, selectedCount); + mDropDownMenu.setTitle(format); // 更改标题 + MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); + if (item != null) { + if (mNotesListAdapter.isAllSelected()) { + item.setChecked(true); + item.setTitle(R.string.menu_deselect_all); + } else { + item.setChecked(false); + item.setTitle(R.string.menu_select_all); + } + } + } - public boolean onActionItemClicked(ActionMode mode, MenuItem item) { - // TODO Auto-generated method stub - return false; - } + public boolean onPrepareActionMode(ActionMode mode, Menu menu) { + // TODO Auto-generated method stub + return false; + } - public void onDestroyActionMode(ActionMode mode) { - mNotesListAdapter.setChoiceMode(false); - mNotesListView.setLongClickable(true); - mAddNewNote.setVisibility(View.VISIBLE); - } + public boolean onActionItemClicked(ActionMode mode, MenuItem item) { + // TODO Auto-generated method stub + return false; + } - public void finishActionMode() { - mActionMode.finish(); - } + public void onDestroyActionMode(ActionMode mode) { + mNotesListAdapter.setChoiceMode(false); + mNotesListView.setLongClickable(true); + mAddNewNote.setVisibility(View.VISIBLE); + } - public void onItemCheckedStateChanged(ActionMode mode, int position, long id, - boolean checked) { - mNotesListAdapter.setCheckedItem(position, checked); - updateMenu(); - } + public void finishActionMode() { + mActionMode.finish(); + } - public boolean onMenuItemClick(MenuItem item) { - if (mNotesListAdapter.getSelectedCount() == 0) { - Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none), - Toast.LENGTH_SHORT).show(); - return true; + public void onItemCheckedStateChanged(ActionMode mode, int position, long id, + boolean checked) { + mNotesListAdapter.setCheckedItem(position, checked); + updateMenu(); } - switch (item.getItemId()) { - case R.id.delete: - AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.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_notes, - mNotesListAdapter.getSelectedCount())); - builder.setPositiveButton(android.R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, - int which) { - batchDelete(); - } - }); - builder.setNegativeButton(android.R.string.cancel, null); - builder.show(); - break; - case R.id.move: - startQueryDestinationFolders(); - break; - default: - return false; + + public boolean onMenuItemClick(MenuItem item) { + if (mNotesListAdapter.getSelectedCount() == 0) { + Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none), + Toast.LENGTH_SHORT).show(); + return true; + } + + switch (item.getItemId()) { + case R.id.delete: + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.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_notes, + mNotesListAdapter.getSelectedCount())); + builder.setPositiveButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, + int which) { + batchDelete(); + } + }); + builder.setNegativeButton(android.R.string.cancel, null); + builder.show(); + break; + case R.id.move: + startQueryDestinationFolders(); + break; + default: + return false; + } + return true; } - return true; } - } - private class NewNoteOnTouchListener implements OnTouchListener { - - public boolean onTouch(View v, MotionEvent event) { - switch (event.getAction()) { - case MotionEvent.ACTION_DOWN: { - Display display = getWindowManager().getDefaultDisplay(); - int screenHeight = display.getHeight(); - int newNoteViewHeight = mAddNewNote.getHeight(); - 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(); + private class NewNoteOnTouchListener implements OnTouchListener { + + public boolean onTouch(View v, MotionEvent event) { + switch (event.getAction()) { + case MotionEvent.ACTION_DOWN: { + Display display = getWindowManager().getDefaultDisplay(); + int screenHeight = display.getHeight(); + int newNoteViewHeight = mAddNewNote.getHeight(); + 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锛圲nit:pixel锛� + * 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; } - /** - * 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; + case MotionEvent.ACTION_MOVE: { + if (mDispatch) { + mDispatchY += (int) event.getY() - mOriginY; event.setLocation(event.getX(), mDispatchY); - mDispatch = true; return mNotesListView.dispatchTouchEvent(event); } + break; } - 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); + default: { + if (mDispatch) { + event.setLocation(event.getX(), mDispatchY); + mDispatch = false; + return mNotesListView.dispatchTouchEvent(event); + } + break; } - break; } + return false; } - 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); + 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"); } - @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 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 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())) { + 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 { - 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"); + // 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; } - 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); + @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(); } - 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; } - }.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); + 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 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 showSoftInput() { - InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); - if (inputMethodManager != null) { - inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); + 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); } - } - 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; + public void onClick(View v) { + switch (v.getId()) { + case R.id.btn_new_note: + createNewNote(); + break; + default: + break; } - } 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); + private void showSoftInput() { + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); + if (inputMethodManager != null) { + inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); } - }); + } - 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()); + 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; } - if (!create) { - if (!TextUtils.isEmpty(name)) { + } 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); - values.put(NoteColumns.LOCAL_MODIFIED, 1); - mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID - + "=?", new String[] { - String.valueOf(mFocusNoteDataItem.getId()) - }); + mContentResolver.insert(Notes.CONTENT_NOTE_URI, values); } - } 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(); } - 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 + }); + 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 + 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; + + @Override + /* (non-Javadoc) + * @see android.app.Activity#onBackPressed() + * 按返回键时根据情况更改类中的数据 + */ + @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; + } } - intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { - appWidgetId - }); + /** + * @param appWidgetId + * @param appWidgetType 根据不同类型的widget更新插件,通过intent传送数据 + */ + 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; + } - sendBroadcast(intent); - setResult(RESULT_OK, intent); - } + intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[]{ + appWidgetId + }); - 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); - } + sendBroadcast(intent); + setResult(RESULT_OK, intent); } - }; - @Override - public void onContextMenuClosed(Menu menu) { - if (mNotesListView != null) { - mNotesListView.setOnCreateContextMenuListener(null); + /** + * 声明监听器,建立菜单,包括名称,视图,删除操作,更改名称操作; + */ + 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); } - super.onContextMenuClosed(menu); - } - @Override - public boolean onContextItemSelected(MenuItem item) { - if (mFocusNoteDataItem == null) { - Log.e(TAG, "The long click data item is null"); - return false; + /* (non-Javadoc) + * @see android.app.Activity#onContextItemSelected(android.view.MenuItem) + * 针对menu中不同的选择进行不同的处理,里面详细注释 + */ + @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);//打开对应文件 + break; + case MENU_FOLDER_DELETE: + AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框 + 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();//显示对话框 + break; + case MENU_FOLDER_CHANGE_NAME: + showCreateOrModifyFolderDialog(false); + break; + default: + break; + } + + return true; } - 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 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); + @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 { - GTaskSyncService.cancelSync(this); + startPreferenceActivity(); } - } else { + break; + } + case R.id.menu_setting: { startPreferenceActivity(); + break; } - break; - } - case R.id.menu_setting: { - startPreferenceActivity(); - break; - } - case R.id.menu_new_note: { - createNewNote(); - break; + case R.id.menu_new_note: { + createNewNote(); + break; + } + case R.id.menu_search: + onSearchRequested(); + break; + default: + break; } - case R.id.menu_search: - onSearchRequested(); - break; - default: - break; + return true; } - return true; - } - @Override - public boolean onSearchRequested() { - startSearch(null, false, null /* appData */, false); - return true; - } + @Override + /* (non-Javadoc) + * @see android.app.Activity#onSearchRequested() + * 直接调用startSearch函数 + */ + public boolean onSearchRequested() { + startSearch(null, false, null /* appData */, false); + return true; + } - private void exportNoteToText() { - final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); - new AsyncTask() { + /** + * 函数功能:实现将便签导出到文本功能 + */ + private void exportNoteToText() { + final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); + new AsyncTask() { - @Override - protected Integer doInBackground(Void... unused) { - return backup.exportToText(); - } + @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(); + @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(); - } + }.execute(); + } - private boolean isSyncMode() { - return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; - } + /** + * @return 功能:判断是否正在同步 + */ + 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); - } + /** + * 功能:跳转到PreferenceActivity界面 + */ + 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; - } + private class OnListItemClickListener implements OnItemClickListener { - 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: + 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) { - openNode(item); - } else { - Log.e(TAG, "Wrong note type in SUB_FOLDER"); + position = position - mNotesListView.getHeaderViewsCount(); + mModeCallBack.onItemCheckedStateChanged(null, position, id, + !mNotesListAdapter.isSelectedItem(position)); } - break; - default: - break; + 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"); - } + /** + * 查询目标文件 + */ + 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"); + /* (non-Javadoc) + * @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long) + * 长按某一项时进行的操作 + * 如果长按的是便签,则通过ActionMode菜单实现;如果长按的是文件夹,则通过ContextMenu菜单实现; + * 具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记 + */ + 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); } - } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) { - mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener); } + return false; } - return false; } -}