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鲍贤慧
鲍贤慧 2 months ago
parent b008aa159c
commit 2e04f73e98
6 changed files with 637 additions and 196 deletions
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102
Notes-master/src/net/micode/notes/ui/NoteEditText.java
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@ -37,15 +37,21 @@ import net.micode.notes.R;
import java.util.HashMap;
import java.util.Map;
/**
* 自定义编辑文本视图，用于笔记应用中，提供增强的文本编辑功能
* 包括处理链接、特殊按键事件以及与笔记编辑活动的交互
*/
public class NoteEditText extends EditText {
private static final String TAG = "NoteEditText";
private int mIndex;
private int mSelectionStartBeforeDelete;
private int mIndex; // 当前编辑文本在笔记中的索引位置
private int mSelectionStartBeforeDelete; // 删除操作前的选择起始位置
private static final String SCHEME_TEL = "tel:" ;
private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ;
// 支持的URL链接协议前缀
private static final String SCHEME_TEL = "tel:"; // 电话号码链接
private static final String SCHEME_HTTP = "http:"; // HTTP链接
private static final String SCHEME_EMAIL = "mailto:"; // 邮件链接
// 链接协议与对应的菜单项文本资源ID的映射
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static {
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@ -54,56 +60,89 @@ public class NoteEditText extends EditText {
}
/**
* Call by the {@link NoteEditActivity} to delete or add edit text
* 文本视图变化监听器接口，由NoteEditActivity实现
* 用于处理编辑文本的删除、添加和文本变化事件
*/
public interface OnTextViewChangeListener {
/**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null
* 当按下删除键且文本为空时，删除当前编辑文本
* @param index 当前编辑文本的索引
* @param text 当前编辑文本的内容
*/
void onEditTextDelete(int index, String text);
/**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen
* 当按下回车键时，在当前编辑文本后添加新的编辑文本
* @param index 新编辑文本的索引
* @param text 新编辑文本的初始内容
*/
void onEditTextEnter(int index, String text);
/**
* Hide or show item option when text change
* 当文本内容变化时，隐藏或显示菜单项
* @param index 当前编辑文本的索引
* @param hasText 是否有文本内容
*/
void onTextChange(int index, boolean hasText);
}
private OnTextViewChangeListener mOnTextViewChangeListener;
private OnTextViewChangeListener mOnTextViewChangeListener; // 文本变化监听器
/**
* 构造函数，用于代码中创建视图
* @param context 应用上下文
*/
public NoteEditText(Context context) {
super(context, null);
mIndex = 0;
}
/**
* 设置当前编辑文本在笔记中的索引位置
* @param index 索引位置
*/
public void setIndex(int index) {
mIndex = index;
}
/**
* 设置文本视图变化监听器
* @param listener 监听器实例
*/
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener;
}
/**
* 构造函数，用于XML布局文件中创建视图
* @param context 应用上下文
* @param attrs 属性集合
*/
public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle);
}
/**
* 构造函数，用于XML布局文件中创建视图并指定默认样式
* @param context 应用上下文
* @param attrs 属性集合
* @param defStyle 默认样式资源ID
*/
public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// TODO Auto-generated constructor stub
}
/**
* 处理触摸事件，重写以确保正确设置文本选择位置
* @param event 触摸事件
* @return 是否消费事件
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// 计算触摸点在文本中的偏移位置
int x = (int) event.getX();
int y = (int) event.getY();
x -= getTotalPaddingLeft();
@ -111,6 +150,7 @@ public class NoteEditText extends EditText {
x += getScrollX();
y += getScrollY();
// 获取触摸点对应的文本位置并设置选择
Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
@ -121,15 +161,23 @@ public class NoteEditText extends EditText {
return super.onTouchEvent(event);
}
/**
* 处理按键按下事件
* @param keyCode 按键代码
* @param event 按键事件
* @return 是否消费事件
*/
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_ENTER:
// 当按下回车键时，如果设置了监听器，则由监听器处理
if (mOnTextViewChangeListener != null) {
return false;
}
break;
case KeyEvent.KEYCODE_DEL:
// 记录删除操作前的选择起始位置，用于后续判断是否删除整个视图
mSelectionStartBeforeDelete = getSelectionStart();
break;
default:
@ -138,11 +186,19 @@ public class NoteEditText extends EditText {
return super.onKeyDown(keyCode, event);
}
/**
* 处理按键释放事件
* @param keyCode 按键代码
* @param event 按键事件
* @return 是否消费事件
*/
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) {
case KeyEvent.KEYCODE_DEL:
// 处理删除键释放事件
if (mOnTextViewChangeListener != null) {
// 当光标在文本开头且不是第一个编辑文本时，删除当前编辑文本
if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
return true;
@ -152,10 +208,13 @@ public class NoteEditText extends EditText {
}
break;
case KeyEvent.KEYCODE_ENTER:
// 处理回车键释放事件
if (mOnTextViewChangeListener != null) {
// 获取当前光标位置，将文本分割为两部分
int selectionStart = getSelectionStart();
String text = getText().subSequence(selectionStart, length()).toString();
setText(getText().subSequence(0, selectionStart));
// 在当前位置后添加新的编辑文本
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
@ -167,9 +226,16 @@ public class NoteEditText extends EditText {
return super.onKeyUp(keyCode, event);
}
/**
* 处理焦点变化事件
* @param focused 是否获得焦点
* @param direction 焦点移动方向
* @param previouslyFocusedRect 之前焦点所在的矩形区域
*/
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if (mOnTextViewChangeListener != null) {
// 根据焦点变化和文本内容，通知监听器更新菜单项显示
if (!focused && TextUtils.isEmpty(getText())) {
mOnTextViewChangeListener.onTextChange(mIndex, false);
} else {
@ -179,8 +245,13 @@ public class NoteEditText extends EditText {
super.onFocusChanged(focused, direction, previouslyFocusedRect);
}
/**
* 创建上下文菜单，用于处理链接点击
* @param menu 上下文菜单
*/
@Override
protected void onCreateContextMenu(ContextMenu menu) {
// 检查选中文本是否包含URL链接
if (getText() instanceof Spanned) {
int selStart = getSelectionStart();
int selEnd = getSelectionEnd();
@ -188,9 +259,11 @@ public class NoteEditText extends EditText {
int min = Math.min(selStart, selEnd);
int max = Math.max(selStart, selEnd);
// 获取选中区域内的URL链接
final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
if (urls.length == 1) {
int defaultResId = 0;
// 根据链接协议确定菜单项文本
for(String schema: sSchemaActionResMap.keySet()) {
if(urls[0].getURL().indexOf(schema) >= 0) {
defaultResId = sSchemaActionResMap.get(schema);
@ -202,10 +275,11 @@ public class NoteEditText extends EditText {
defaultResId = R.string.note_link_other;
}
// 添加菜单项并设置点击监听器
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// goto a new intent
// 点击菜单项时，调用URLSpan的onClick方法打开链接
urls[0].onClick(NoteEditText.this);
return true;
}

192
Notes-master/src/net/micode/notes/ui/NoteItemData.java
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@ -26,22 +26,28 @@ import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils;
/**
* 笔记项数据模型类，用于存储和管理单个笔记的相关数据
* 包含从数据库查询的笔记信息以及位置状态信息
*/
public class NoteItemData {
// 从数据库查询笔记数据时使用的投影列
static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE,
NoteColumns.HAS_ATTACHMENT,
NoteColumns.MODIFIED_DATE,
NoteColumns.NOTES_COUNT,
NoteColumns.PARENT_ID,
NoteColumns.SNIPPET,
NoteColumns.TYPE,
NoteColumns.WIDGET_ID,
NoteColumns.WIDGET_TYPE,
NoteColumns.ID, // 笔记ID
NoteColumns.ALERTED_DATE, // 提醒日期
NoteColumns.BG_COLOR_ID, // 背景颜色ID
NoteColumns.CREATED_DATE, // 创建日期
NoteColumns.HAS_ATTACHMENT, // 是否有附件
NoteColumns.MODIFIED_DATE, // 修改日期
NoteColumns.NOTES_COUNT, // 笔记数量（文件夹类型时使用）
NoteColumns.PARENT_ID, // 父文件夹ID
NoteColumns.SNIPPET, // 摘要内容
NoteColumns.TYPE, // 类型（笔记/文件夹）
NoteColumns.WIDGET_ID, // 桌面小部件ID
NoteColumns.WIDGET_TYPE, // 桌面小部件类型
};
// 投影列索引常量，用于从Cursor中获取数据
private static final int ID_COLUMN = 0;
private static final int ALERTED_DATE_COLUMN = 1;
private static final int BG_COLOR_ID_COLUMN = 2;
@ -55,28 +61,38 @@ public class NoteItemData {
private static final int WIDGET_ID_COLUMN = 10;
private static final int WIDGET_TYPE_COLUMN = 11;
private long mId;
private long mAlertDate;
private int mBgColorId;
private long mCreatedDate;
private boolean mHasAttachment;
private long mModifiedDate;
private int mNotesCount;
private long mParentId;
private String mSnippet;
private int mType;
private int mWidgetId;
private int mWidgetType;
private String mName;
private String mPhoneNumber;
private boolean mIsLastItem;
private boolean mIsFirstItem;
private boolean mIsOnlyOneItem;
private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder;
// 笔记基本属性
private long mId; // 笔记ID
private long mAlertDate; // 提醒日期
private int mBgColorId; // 背景颜色ID
private long mCreatedDate; // 创建日期
private boolean mHasAttachment; // 是否有附件
private long mModifiedDate; // 修改日期
private int mNotesCount; // 笔记数量（文件夹类型时使用）
private long mParentId; // 父文件夹ID
private String mSnippet; // 摘要内容
private int mType; // 类型（笔记/文件夹）
private int mWidgetId; // 桌面小部件ID
private int mWidgetType; // 桌面小部件类型
// 通话记录相关属性
private String mName; // 联系人名称
private String mPhoneNumber; // 电话号码
// 位置状态属性，用于UI显示
private boolean mIsLastItem; // 是否为列表最后一项
private boolean mIsFirstItem; // 是否为列表第一项
private boolean mIsOnlyOneItem; // 是否为列表中唯一一项
private boolean mIsOneNoteFollowingFolder; // 是否为文件夹后的第一个笔记
private boolean mIsMultiNotesFollowingFolder; // 是否为文件夹后的多个笔记之一
/**
* 构造函数，从Cursor中读取数据并初始化笔记项
* @param context 应用上下文
* @param cursor 包含笔记数据的Cursor对象
*/
public NoteItemData(Context context, Cursor cursor) {
// 从Cursor中读取基本笔记信息
mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
@ -86,18 +102,26 @@ public class NoteItemData {
mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
mParentId = cursor.getLong(PARENT_ID_COLUMN);
mSnippet = cursor.getString(SNIPPET_COLUMN);
// 清理摘要内容中的标记
mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
NoteEditActivity.TAG_UNCHECKED, "");
mType = cursor.getInt(TYPE_COLUMN);
mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
// 初始化通话记录相关信息
mPhoneNumber = "";
// 如果是通话记录文件夹中的笔记
if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
// 获取通话记录的电话号码
mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
if (!TextUtils.isEmpty(mPhoneNumber)) {
// 获取联系人名称
mName = Contact.getContact(context, mPhoneNumber);
if (mName == null) {
// 如果没有联系人名称，使用电话号码代替
mName = mPhoneNumber;
}
}
@ -106,27 +130,38 @@ public class NoteItemData {
if (mName == null) {
mName = "";
}
// 检查并设置笔记在列表中的位置状态
checkPostion(cursor);
}
/**
* 检查并设置笔记在列表中的位置状态
* @param cursor 包含笔记数据的Cursor对象
*/
private void checkPostion(Cursor cursor) {
// 设置基本位置状态
mIsLastItem = cursor.isLast() ? true : false;
mIsFirstItem = cursor.isFirst() ? true : false;
mIsOnlyOneItem = (cursor.getCount() == 1);
mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false;
// 如果是笔记类型且不是列表中的第一项
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
int position = cursor.getPosition();
if (cursor.moveToPrevious()) {
// 检查前一项是否为文件夹或系统类型
if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {
// 判断当前笔记是文件夹后的第一个笔记还是多个笔记之一
if (cursor.getCount() > (position + 1)) {
mIsMultiNotesFollowingFolder = true;
} else {
mIsOneNoteFollowingFolder = true;
}
}
// 恢复Cursor位置
if (!cursor.moveToNext()) {
throw new IllegalStateException("cursor move to previous but can't move back");
}
@ -134,90 +169,181 @@ public class NoteItemData {
}
}
// 以下是各种状态和属性的访问器方法
/**
* 判断是否为文件夹后的第一个笔记
* @return 如果是返回true，否则返回false
*/
public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder;
}
/**
* 判断是否为文件夹后的多个笔记之一
* @return 如果是返回true，否则返回false
*/
public boolean isMultiFollowingFolder() {
return mIsMultiNotesFollowingFolder;
}
/**
* 判断是否为列表中的最后一项
* @return 如果是返回true，否则返回false
*/
public boolean isLast() {
return mIsLastItem;
}
/**
* 获取通话记录的联系人名称
* @return 联系人名称
*/
public String getCallName() {
return mName;
}
/**
* 判断是否为列表中的第一项
* @return 如果是返回true，否则返回false
*/
public boolean isFirst() {
return mIsFirstItem;
}
/**
* 判断是否为列表中唯一一项
* @return 如果是返回true，否则返回false
*/
public boolean isSingle() {
return mIsOnlyOneItem;
}
/**
* 获取笔记ID
* @return 笔记ID
*/
public long getId() {
return mId;
}
/**
* 获取提醒日期
* @return 提醒日期
*/
public long getAlertDate() {
return mAlertDate;
}
/**
* 获取创建日期
* @return 创建日期
*/
public long getCreatedDate() {
return mCreatedDate;
}
/**
* 判断是否有附件
* @return 如果有附件返回true，否则返回false
*/
public boolean hasAttachment() {
return mHasAttachment;
}
/**
* 获取修改日期
* @return 修改日期
*/
public long getModifiedDate() {
return mModifiedDate;
}
/**
* 获取背景颜色ID
* @return 背景颜色ID
*/
public int getBgColorId() {
return mBgColorId;
}
/**
* 获取父文件夹ID
* @return 父文件夹ID
*/
public long getParentId() {
return mParentId;
}
/**
* 获取笔记数量（文件夹类型时使用）
* @return 笔记数量
*/
public int getNotesCount() {
return mNotesCount;
}
/**
* 获取文件夹ID
* @return 文件夹ID
*/
public long getFolderId () {
return mParentId;
}
/**
* 获取笔记类型
* @return 笔记类型
*/
public int getType() {
return mType;
}
/**
* 获取桌面小部件类型
* @return 桌面小部件类型
*/
public int getWidgetType() {
return mWidgetType;
}
/**
* 获取桌面小部件ID
* @return 桌面小部件ID
*/
public int getWidgetId() {
return mWidgetId;
}
/**
* 获取笔记摘要内容
* @return 笔记摘要内容
*/
public String getSnippet() {
return mSnippet;
}
/**
* 判断是否有提醒
* @return 如果有提醒返回true，否则返回false
*/
public boolean hasAlert() {
return (mAlertDate > 0);
}
/**
* 判断是否为通话记录
* @return 如果是通话记录返回true，否则返回false
*/
public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
}
/**
* 静态方法，从Cursor中获取笔记类型
* @param cursor 包含笔记数据的Cursor对象
* @return 笔记类型
*/
public static int getNoteType(Cursor cursor) {
return cursor.getInt(TYPE_COLUMN);
}

287
Notes-master/src/net/micode/notes/ui/NotesListActivity.java
Unescape View File

@ -78,60 +78,52 @@ import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashSet;
/**
* 笔记列表活动类，负责显示笔记和文件夹列表
* 处理笔记的创建、删除、移动等操作
* 支持文件夹导航和上下文菜单
*/
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1;
private static final int MENU_FOLDER_DELETE = 0;
private static final int MENU_FOLDER_VIEW = 1;
private static final int MENU_FOLDER_CHANGE_NAME = 2;
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; // 笔记列表查询令牌
private static final int FOLDER_LIST_QUERY_TOKEN = 1; // 文件夹列表查询令牌
private static final int MENU_FOLDER_DELETE = 0; // 文件夹删除菜单项ID
private static final int MENU_FOLDER_VIEW = 1; // 文件夹查看菜单项ID
private static final int MENU_FOLDER_CHANGE_NAME = 2; // 文件夹重命名菜单项ID
// 首次使用应用的偏好设置键
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
// 列表编辑状态枚举
private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
NOTE_LIST, // 根笔记列表状态
SUB_FOLDER, // 子文件夹状态
CALL_RECORD_FOLDER // 通话记录文件夹状态
};
private ListEditState mState;
private BackgroundQueryHandler mBackgroundQueryHandler;
private NotesListAdapter mNotesListAdapter;
private ListView mNotesListView;
private Button mAddNewNote;
private boolean mDispatch;
private int mOriginY;
private int mDispatchY;
private TextView mTitleBar;
private long mCurrentFolderId;
private ContentResolver mContentResolver;
private ModeCallback mModeCallBack;
private static final String TAG = "NotesListActivity";
public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
private NoteItemData mFocusNoteDataItem;
private ListEditState mState; // 当前列表编辑状态
private BackgroundQueryHandler mBackgroundQueryHandler;// 后台查询处理器
private NotesListAdapter mNotesListAdapter; // 笔记列表适配器
private ListView mNotesListView; // 笔记列表视图
private Button mAddNewNote; // 添加新笔记按钮
private boolean mDispatch; // 触摸事件分发标志
private int mOriginY; // 触摸事件原始Y坐标
private int mDispatchY; // 触摸事件分发Y坐标
private TextView mTitleBar; // 标题栏文本
private long mCurrentFolderId; // 当前文件夹ID
private ContentResolver mContentResolver; // 内容解析器
private ModeCallback mModeCallBack; // 操作模式回调
private static final String TAG = "NotesListActivity"; // 日志标签
public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;// 列表视图滚动速率
private NoteItemData mFocusNoteDataItem; // 聚焦的笔记数据项
// 查询条件常量
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)";
// 活动结果请求码
private final static int REQUEST_CODE_OPEN_NODE = 102;
private final static int REQUEST_CODE_NEW_NODE = 103;
@ -140,15 +132,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
super.onCreate(savedInstanceState);
setContentView(R.layout.note_list);
initResources();
/**
* Insert an introduction when user firstly use this application
*/
// 首次使用应用时插入介绍笔记
setAppInfoFromRawRes();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 处理打开或新建笔记的结果
if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null);
@ -157,6 +148,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 从原始资源文件读取应用介绍并保存为笔记
*/
private void setAppInfoFromRawRes() {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
@ -165,6 +159,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
try {
in = getResources().openRawResource(R.raw.introduction);
if (in != null) {
// 读取介绍内容
InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024];
@ -184,12 +179,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
try {
in.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
// 创建并保存介绍笔记
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED);
@ -206,23 +201,37 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
protected void onStart() {
super.onStart();
// 启动异步笔记列表查询
startAsyncNotesListQuery();
}
/**
* 初始化资源和视图
*/
private void initResources() {
mContentResolver = this.getContentResolver();
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mNotesListView = (ListView) findViewById(R.id.notes_list);
// 添加列表页脚
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false);
// 设置列表项点击和长按监听器
mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this);
// 设置列表适配器
mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter);
// 初始化添加新笔记按钮
mAddNewNote = (Button) findViewById(R.id.btn_new_note);
mAddNewNote.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
// 初始化状态变量
mDispatch = false;
mDispatchY = 0;
mOriginY = 0;
@ -231,14 +240,25 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback();
}
/**
* 操作模式回调类，处理多选模式下的操作
*/
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu;
private ActionMode mActionMode;
private DropdownMenu mDropDownMenu; // 下拉菜单
private ActionMode mActionMode; // 操作模式
// 操作菜单项，用于移动笔记
private MenuItem mMoveMenu;
/**
* 创建操作模式时调用
*/
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
// Inflate菜单资源
getMenuInflater().inflate(R.menu.note_list_options, menu);
menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
// 初始化移动菜单项
mMoveMenu = menu.findItem(R.id.move);
if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
|| DataUtils.getUserFolderCount(mContentResolver) == 0) {
@ -247,11 +267,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mMoveMenu.setVisible(true);
mMoveMenu.setOnMenuItemClickListener(this);
}
mActionMode = mode;
mNotesListAdapter.setChoiceMode(true);
mNotesListView.setLongClickable(false);
mAddNewNote.setVisibility(View.GONE);
// 设置自定义操作模式视图
View customView = LayoutInflater.from(NotesListActivity.this).inflate(
R.layout.note_list_dropdown_menu, null);
mode.setCustomView(customView);
@ -264,14 +286,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
updateMenu();
return true;
}
});
return true;
}
/**
* 更新菜单状态
*/
private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu
// 更新下拉菜单标题
String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format);
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
@ -287,15 +311,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
// TODO Auto-generated method stub
return false;
}
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
// TODO Auto-generated method stub
return false;
}
/**
* 销毁操作模式时调用
*/
public void onDestroyActionMode(ActionMode mode) {
mNotesListAdapter.setChoiceMode(false);
mNotesListView.setLongClickable(true);
@ -306,12 +331,18 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mActionMode.finish();
}
/**
* 列表项选中状态改变时调用
*/
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked);
updateMenu();
}
/**
* 菜单项点击处理
*/
public boolean onMenuItemClick(MenuItem item) {
if (mNotesListAdapter.getSelectedCount() == 0) {
Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
@ -321,6 +352,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
switch (item.getItemId()) {
case R.id.delete:
// 显示删除确认对话框
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
@ -337,6 +369,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.show();
break;
case R.id.move:
// 启动目标文件夹查询
startQueryDestinationFolders();
break;
default:
@ -346,32 +379,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 新笔记按钮触摸监听器，处理特殊区域的触摸事件分发
*/
private class NewNoteOnTouchListener implements OnTouchListener {
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: {
// 获取屏幕和按钮尺寸
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
*/
// 调整标题栏高度
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.
*/
// 处理按钮透明区域的触摸事件分发
if (event.getY() < (event.getX() * (-0.12) + 94)) {
View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
- mNotesListView.getFooterViewsCount());
@ -387,6 +415,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
break;
}
case MotionEvent.ACTION_MOVE: {
// 处理移动事件的分发
if (mDispatch) {
mDispatchY += (int) event.getY() - mOriginY;
event.setLocation(event.getX(), mDispatchY);
@ -395,6 +424,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
break;
}
default: {
// 处理事件结束
if (mDispatch) {
event.setLocation(event.getX(), mDispatchY);
mDispatch = false;
@ -405,10 +435,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
return false;
}
};
/**
* 启动异步笔记列表查询
*/
private void startAsyncNotesListQuery() {
// 根据当前文件夹ID设置查询条件
String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
: NORMAL_SELECTION;
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
@ -417,6 +450,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
}
/**
* 后台查询处理器，处理异步查询结果
*/
private final class BackgroundQueryHandler extends AsyncQueryHandler {
public BackgroundQueryHandler(ContentResolver contentResolver) {
super(contentResolver);
@ -424,6 +460,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
// 处理不同类型的查询结果
switch (token) {
case FOLDER_NOTE_LIST_QUERY_TOKEN:
mNotesListAdapter.changeCursor(cursor);
@ -441,13 +478,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 显示文件夹列表菜单，用于选择目标文件夹
*/
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) {
// 批量移动笔记到选中的文件夹
DataUtils.batchMoveToFolder(mContentResolver,
mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
Toast.makeText(
@ -462,6 +502,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.show();
}
/**
* 创建新笔记
*/
private void createNewNote() {
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
@ -469,20 +512,23 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
}
/**
* 批量删除选中的笔记
*/
private void batchDelete() {
new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() {
protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) {
// 获取选中笔记关联的小部件
HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget();
if (!isSyncMode()) {
// if not synced, delete notes directly
// 非同步模式下直接删除笔记
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
// 同步模式下将删除的笔记移动到废纸篓
if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
.getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "Move notes to trash folder error, should not happens");
@ -493,6 +539,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
protected void onPostExecute(HashSet<AppWidgetAttribute> widgets) {
// 更新相关小部件
if (widgets != null) {
for (AppWidgetAttribute widget : widgets) {
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
@ -506,6 +553,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute();
}
/**
* 删除文件夹
*/
private void deleteFolder(long folderId) {
if (folderId == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Wrong folder id, should not happen " + folderId);
@ -514,15 +564,17 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
HashSet<Long> ids = new HashSet<Long>();
ids.add(folderId);
// 获取文件夹中笔记关联的小部件
HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver,
folderId);
if (!isSyncMode()) {
// if not synced, delete folder directly
// 非同步模式下直接删除文件夹
DataUtils.batchDeleteNotes(mContentResolver, ids);
} else {
// in sync mode, we'll move the deleted folder into the trash folder
// 同步模式下将删除的文件夹移动到废纸篓
DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
}
// 更新相关小部件
if (widgets != null) {
for (AppWidgetAttribute widget : widgets) {
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
@ -533,6 +585,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 打开笔记详情
*/
private void openNode(NoteItemData data) {
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
@ -540,6 +595,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
}
/**
* 打开文件夹
*/
private void openFolder(NoteItemData data) {
mCurrentFolderId = data.getId();
startAsyncNotesListQuery();
@ -549,6 +607,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} else {
mState = ListEditState.SUB_FOLDER;
}
// 设置标题栏显示文件夹名称
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mTitleBar.setText(R.string.call_record_folder_name);
} else {
@ -557,6 +616,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mTitleBar.setVisibility(View.VISIBLE);
}
/**
* 视图点击事件处理
*/
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_new_note:
@ -567,6 +629,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 显示软键盘
*/
private void showSoftInput() {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
if (inputMethodManager != null) {
@ -574,16 +639,24 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 隐藏软键盘
*/
private void hideSoftInput(View view) {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
}
/**
* 显示创建或修改文件夹对话框
*/
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();
// 设置对话框标题和初始文本
if (!create) {
if (mFocusNoteDataItem != null) {
etName.setText(mFocusNoteDataItem.getSnippet());
@ -610,12 +683,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
public void onClick(View v) {
hideSoftInput(etName);
String name = etName.getText().toString();
// 检查文件夹名称是否已存在
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;
}
// 创建或更新文件夹
if (!create) {
if (!TextUtils.isEmpty(name)) {
ContentValues values = new ContentValues();
@ -637,17 +712,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
});
// 根据输入框内容启用/禁用确定按钮
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 beforeTextChanged(CharSequence s, int start, int count, int after) {}
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (TextUtils.isEmpty(etName.getText())) {
@ -657,15 +727,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
public void afterTextChanged(Editable s) {}
});
}
@Override
public void onBackPressed() {
// 处理返回键，根据当前状态导航到上级目录
switch (mState) {
case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
@ -688,8 +756,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 更新小部件
*/
private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
// 根据小部件类型设置目标类
if (appWidgetType == Notes.TYPE_WIDGET_2X) {
intent.setClass(this, NoteWidgetProvider_2x.class);
} else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
@ -707,6 +779,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
setResult(RESULT_OK, intent);
}
/**
* 文件夹上下文菜单创建监听器
*/
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) {
@ -732,11 +807,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
Log.e(TAG, "The long click data item is null");
return false;
}
// 处理文件夹上下文菜单项点击
switch (item.getItemId()) {
case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem);
break;
case MENU_FOLDER_DELETE:
// 显示删除文件夹确认对话框
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
@ -756,16 +833,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
default:
break;
}
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
menu.clear();
// 根据当前状态加载不同的菜单资源
if (mState == ListEditState.NOTE_LIST) {
getMenuInflater().inflate(R.menu.note_list, menu);
// set sync or sync_cancel
// 设置同步/取消同步菜单项标题
menu.findItem(R.id.menu_sync).setTitle(
GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
} else if (mState == ListEditState.SUB_FOLDER) {
@ -780,6 +857,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// 处理选项菜单点击事件
switch (item.getItemId()) {
case R.id.menu_new_folder: {
showCreateOrModifyFolderDialog(true);
@ -791,6 +869,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
case R.id.menu_sync: {
if (isSyncMode()) {
// 切换同步/取消同步
if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
GTaskSyncService.startSync(this);
} else {
@ -824,10 +903,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true;
}
/**
* 导出笔记到文本文件
*/
private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() {
@Override
protected Integer doInBackground(Void... unused) {
return backup.exportToText();
@ -835,6 +916,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override
protected void onPostExecute(Integer result) {
// 显示导出结果
if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(NotesListActivity.this
@ -862,26 +944,34 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.show();
}
}
}.execute();
}
/**
* 判断是否处于同步模式
*/
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
/**
* 启动偏好设置活动
*/
private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1);
}
/**
* 列表项点击监听器
*/
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()) {
// 多选模式下处理选中状态
if (item.getType() == Notes.TYPE_NOTE) {
position = position - mNotesListView.getHeaderViewsCount();
mModeCallBack.onItemCheckedStateChanged(null, position, id,
@ -890,6 +980,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return;
}
// 根据当前状态处理不同类型的项点击
switch (mState) {
case NOTE_LIST:
if (item.getType() == Notes.TYPE_FOLDER
@ -914,11 +1005,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
}
}
/**
* 启动目标文件夹查询
*/
private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
// 根据当前状态调整查询条件
selection = (mState == ListEditState.NOTE_LIST) ? selection:
"(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
@ -935,10 +1029,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
NoteColumns.MODIFIED_DATE + " DESC");
}
/**
* 列表项长按事件处理
*/
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()) {
// 启动多选操作模式
if (mNotesListView.startActionMode(mModeCallBack) != null) {
mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
@ -946,9 +1044,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
Log.e(TAG, "startActionMode fails");
}
} else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
// 为文件夹设置上下文菜单
mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
}
}
return false;
}
}
}

76
Notes-master/src/net/micode/notes/ui/NotesListAdapter.java
Unescape View File

@ -30,19 +30,28 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
/**
* 笔记列表适配器，用于将笔记数据绑定到ListView上
* 支持多选模式和小部件属性管理
*/
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount;
private boolean mChoiceMode;
private Context mContext; // 上下文环境
private HashMap<Integer, Boolean> mSelectedIndex; // 选中项的索引映射
private int mNotesCount; // 笔记数量
private boolean mChoiceMode; // 是否处于多选模式
/**
* 小部件属性类，用于存储与笔记关联的小部件信息
*/
public static class AppWidgetAttribute {
public int widgetId;
public int widgetType;
public int widgetId; // 小部件ID
public int widgetType; // 小部件类型
};
/**
* 构造函数
*/
public NotesListAdapter(Context context) {
super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>();
@ -50,11 +59,17 @@ public class NotesListAdapter extends CursorAdapter {
mNotesCount = 0;
}
/**
* 创建新的列表项视图
*/
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context);
}
/**
* 将数据绑定到列表项视图
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) {
@ -64,24 +79,37 @@ public class NotesListAdapter extends CursorAdapter {
}
}
/**
* 设置指定位置的项的选中状态
*/
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked);
notifyDataSetChanged();
}
/**
* 判断是否处于多选模式
*/
public boolean isInChoiceMode() {
return mChoiceMode;
}
/**
* 设置多选模式
*/
public void setChoiceMode(boolean mode) {
mSelectedIndex.clear();
mChoiceMode = mode;
}
/**
* 全选或取消全选所有笔记项
*/
public void selectAll(boolean checked) {
Cursor cursor = getCursor();
for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) {
// 只处理笔记类型的项，不处理文件夹等其他类型
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
setCheckedItem(i, checked);
}
@ -89,6 +117,9 @@ public class NotesListAdapter extends CursorAdapter {
}
}
/**
* 获取所有选中项的ID集合
*/
public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>();
for (Integer position : mSelectedIndex.keySet()) {
@ -101,10 +132,12 @@ public class NotesListAdapter extends CursorAdapter {
}
}
}
return itemSet;
}
/**
* 获取所有选中项关联的小部件属性集合
*/
public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) {
@ -116,9 +149,7 @@ public class NotesListAdapter extends CursorAdapter {
widget.widgetId = item.getWidgetId();
widget.widgetType = item.getWidgetType();
itemSet.add(widget);
/**
* Don't close cursor here, only the adapter could close it
*/
// 注意：不要在这里关闭cursor，只有适配器可以关闭它
} else {
Log.e(TAG, "Invalid cursor");
return null;
@ -128,6 +159,9 @@ public class NotesListAdapter extends CursorAdapter {
return itemSet;
}
/**
* 获取选中项的数量
*/
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();
if (null == values) {
@ -143,11 +177,17 @@ public class NotesListAdapter extends CursorAdapter {
return count;
}
/**
* 判断是否所有笔记项都被选中
*/
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);
}
/**
* 判断指定位置的项是否被选中
*/
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
@ -155,23 +195,33 @@ public class NotesListAdapter extends CursorAdapter {
return mSelectedIndex.get(position);
}
/**
* 当内容发生变化时调用
*/
@Override
protected void onContentChanged() {
super.onContentChanged();
calcNotesCount();
}
/**
* 更改游标时调用
*/
@Override
public void changeCursor(Cursor cursor) {
super.changeCursor(cursor);
calcNotesCount();
}
/**
* 计算笔记数量
*/
private void calcNotesCount() {
mNotesCount = 0;
for (int i = 0; i < getCount(); i++) {
Cursor c = (Cursor) getItem(i);
if (c != null) {
// 只计算笔记类型的项
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++;
}
@ -181,4 +231,4 @@ public class NotesListAdapter extends CursorAdapter {
}
}
}
}
}

58
Notes-master/src/net/micode/notes/ui/NotesListItem.java
Unescape View File

@ -29,18 +29,27 @@ import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
/**
* 笔记列表项视图类，负责渲染笔记列表中的单个项目
* 支持显示不同类型的笔记（普通笔记、文件夹、通话记录）
* 支持多选模式下显示复选框
*/
public class NotesListItem extends LinearLayout {
private ImageView mAlert;
private TextView mTitle;
private TextView mTime;
private TextView mCallName;
private NoteItemData mItemData;
private CheckBox mCheckBox;
private ImageView mAlert; // 提醒图标
private TextView mTitle; // 标题文本
private TextView mTime; // 时间文本
private TextView mCallName; // 通话记录联系人名称
private NoteItemData mItemData; // 笔记数据
private CheckBox mCheckBox; // 多选模式下的复选框
/**
* 构造函数，初始化视图组件
*/
public NotesListItem(Context context) {
super(context);
// 加载布局文件
inflate(context, R.layout.note_item, this);
// 获取各视图组件引用
mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time);
@ -48,7 +57,16 @@ public class NotesListItem extends LinearLayout {
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
}
/**
* 绑定数据到视图
*
* @param context 上下文
* @param data 笔记数据
* @param choiceMode 是否处于多选模式
* @param checked 该项是否被选中
*/
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
// 处理多选模式下的复选框显示
if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setChecked(checked);
@ -57,7 +75,10 @@ public class NotesListItem extends LinearLayout {
}
mItemData = data;
// 根据笔记类型设置不同的显示内容和样式
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
// 通话记录文件夹特殊处理
mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
@ -65,10 +86,12 @@ public class NotesListItem extends LinearLayout {
+ context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record);
} else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
// 通话记录笔记特殊处理
mCallName.setVisibility(View.VISIBLE);
mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
// 显示提醒图标（如果有提醒）
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
@ -80,12 +103,15 @@ public class NotesListItem extends LinearLayout {
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
if (data.getType() == Notes.TYPE_FOLDER) {
// 文件夹显示样式
mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count,
data.getNotesCount()));
mAlert.setVisibility(View.GONE);
} else {
// 普通笔记显示样式
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
// 显示提醒图标（如果有提醒）
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
@ -94,29 +120,45 @@ public class NotesListItem extends LinearLayout {
}
}
}
// 设置修改时间，使用相对时间格式（如"2小时前"）
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
// 设置背景样式
setBackground(data);
}
/**
* 根据笔记类型和位置设置背景样式
*/
private void setBackground(NoteItemData data) {
int id = data.getBgColorId();
if (data.getType() == Notes.TYPE_NOTE) {
// 根据笔记在列表中的位置和状态设置不同的背景
if (data.isSingle() || data.isOneFollowingFolder()) {
// 单独的笔记或后面跟着文件夹的笔记
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) {
// 列表中的最后一个笔记
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) {
// 列表中的第一个笔记或后面跟着多个文件夹的笔记
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
} else {
// 普通位置的笔记
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
}
} else {
// 文件夹使用特定的背景
setBackgroundResource(NoteItemBgResources.getFolderBgRes());
}
}
/**
* 获取绑定的笔记数据
*/
public NoteItemData getItemData() {
return mItemData;
}
}
}

118
Notes-master/src/net/micode/notes/ui/NotesPreferenceActivity.java
Unescape View File

@ -47,53 +47,57 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
/**
* 笔记应用的设置界面，提供同步账户管理和手动同步功能
*/
public class NotesPreferenceActivity extends PreferenceActivity {
public static final String PREFERENCE_NAME = "notes_preferences";
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
private static final String AUTHORITIES_FILTER_KEY = "authorities";
private PreferenceCategory mAccountCategory;
private GTaskReceiver mReceiver;
private Account[] mOriAccounts;
private boolean mHasAddedAccount;
public static final String PREFERENCE_NAME = "notes_preferences"; // 偏好设置文件名
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; // 同步账户名键值
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; // 上次同步时间键值
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; // 背景颜色设置键值
private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; // 同步账户设置分类键值
private static final String AUTHORITIES_FILTER_KEY = "authorities"; // 账户类型过滤键值
private PreferenceCategory mAccountCategory; // 账户设置分类
private GTaskReceiver mReceiver; // 同步状态广播接收器
private Account[] mOriAccounts; // 原始账户列表
private boolean mHasAddedAccount; // 是否已添加新账户标志
/**
* 活动创建时调用，初始化界面和数据
*/
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
/* using the app icon for navigation */
// 设置ActionBar支持返回导航
getActionBar().setDisplayHomeAsUpEnabled(true);
// 加载设置XML布局
addPreferencesFromResource(R.xml.preferences);
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
mReceiver = new GTaskReceiver();
// 注册广播接收器，监听同步服务状态变化
IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter);
mOriAccounts = null;
// 添加设置页面头部视图
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
getListView().addHeaderView(header, null, true);
}
/**
* 活动恢复时调用，刷新界面和处理账户变化
*/
@Override
protected void onResume() {
super.onResume();
// need to set sync account automatically if user has added a new
// account
// 如果用户添加了新账户，自动设置为同步账户
if (mHasAddedAccount) {
Account[] accounts = getGoogleAccounts();
if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
@ -116,6 +120,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
refreshUI();
}
/**
* 活动销毁时调用，释放资源
*/
@Override
protected void onDestroy() {
if (mReceiver != null) {
@ -124,6 +131,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
super.onDestroy();
}
/**
* 加载账户设置选项
*/
private void loadAccountPreference() {
mAccountCategory.removeAll();
@ -135,11 +145,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
public boolean onPreferenceClick(Preference preference) {
if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account
// 首次设置账户
showSelectAccountAlertDialog();
} else {
// if the account has already been set, we need to promp
// user about the risk
// 已设置账户，提示用户更改风险
showChangeAccountConfirmAlertDialog();
}
} else {
@ -154,11 +163,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
mAccountCategory.addPreference(accountPref);
}
/**
* 加载同步按钮和同步状态
*/
private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
// set button state
// 设置同步按钮状态
if (GTaskSyncService.isSyncing()) {
syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() {
@ -176,7 +188,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
// set last sync time
// 设置上次同步时间显示
if (GTaskSyncService.isSyncing()) {
lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE);
@ -193,14 +205,21 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 刷新设置界面
*/
private void refreshUI() {
loadAccountPreference();
loadSyncButton();
}
/**
* 显示选择账户对话框
*/
private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// 设置自定义标题
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));
@ -216,6 +235,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
mOriAccounts = accounts;
mHasAddedAccount = false;
// 如果有可用账户，显示账户列表
if (accounts.length > 0) {
CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items;
@ -237,6 +257,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
});
}
// 添加"添加账户"选项
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView);
@ -254,9 +275,13 @@ public class NotesPreferenceActivity extends PreferenceActivity {
});
}
/**
* 显示更改账户确认对话框
*/
private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// 设置自定义标题
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,
@ -265,6 +290,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
dialogBuilder.setCustomTitle(titleView);
// 显示操作选项
CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account),
@ -283,11 +309,17 @@ public class NotesPreferenceActivity extends PreferenceActivity {
dialogBuilder.show();
}
/**
* 获取设备上的Google账户列表
*/
private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google");
}
/**
* 设置同步账户
*/
private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
@ -299,10 +331,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
editor.commit();
// clean up last sync time
// 清除上次同步时间
setLastSyncTime(this, 0);
// clean up local gtask related info
// 清除本地与Google Tasks相关的信息
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -318,6 +350,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 移除同步账户
*/
private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
@ -329,7 +364,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
editor.commit();
// clean up local gtask related info
// 清除本地与Google Tasks相关的信息
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -340,12 +375,18 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}).start();
}
/**
* 获取当前设置的同步账户名
*/
public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
/**
* 设置上次同步时间
*/
public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
@ -354,12 +395,18 @@ public class NotesPreferenceActivity extends PreferenceActivity {
editor.commit();
}
/**
* 获取上次同步时间
*/
public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}
/**
* 同步服务状态广播接收器
*/
private class GTaskReceiver extends BroadcastReceiver {
@Override
@ -370,13 +417,16 @@ public class NotesPreferenceActivity extends PreferenceActivity {
syncStatus.setText(intent
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
}
}
}
/**
* 处理选项菜单点击事件
*/
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// 返回笔记列表
Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
@ -385,4 +435,4 @@ public class NotesPreferenceActivity extends PreferenceActivity {
return false;
}
}
}
}
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