From 60739e7742ba63d7f7272eb9b623df3ced84b5b4 Mon Sep 17 00:00:00 2001 From: owo193 <3476160272@qq.com> Date: Wed, 4 Jun 2025 09:50:13 +0800 Subject: [PATCH] java --- src/net/micode/notes/model/WorkingNote.java | 178 ++++++++++++-------- 1 file changed, 112 insertions(+), 66 deletions(-) diff --git a/src/net/micode/notes/model/WorkingNote.java b/src/net/micode/notes/model/WorkingNote.java index be081e4..e0e9063 100644 --- a/src/net/micode/notes/model/WorkingNote.java +++ b/src/net/micode/notes/model/WorkingNote.java @@ -32,105 +32,113 @@ import net.micode.notes.data.Notes.TextNote; import net.micode.notes.tool.ResourceParser.NoteBgResources; +// 工作笔记类，用于管理笔记的创建、加载、保存等操作 public class WorkingNote { - // Note for the working note + // 当前笔记对象 private Note mNote; - // Note Id + // 笔记ID private long mNoteId; - // Note content + // 笔记内容 private String mContent; - // Note mode + // 笔记模式（如普通模式、清单模式等） private int mMode; + // 提醒日期 private long mAlertDate; + // 修改日期 private long mModifiedDate; + // 背景颜色资源ID private int mBgColorId; + // 关联的小部件ID private int mWidgetId; + // 小部件类型 private int mWidgetType; + // 所属文件夹ID private long mFolderId; + // 上下文对象 private Context mContext; + // 日志标签 private static final String TAG = "WorkingNote"; + // 是否已删除 private boolean mIsDeleted; + // 笔记设置变更监听器 private NoteSettingChangedListener mNoteSettingStatusListener; + // 数据查询投影列（数据库查询字段） public static final String[] DATA_PROJECTION = new String[] { - DataColumns.ID, - DataColumns.CONTENT, - DataColumns.MIME_TYPE, - DataColumns.DATA1, - DataColumns.DATA2, - DataColumns.DATA3, - DataColumns.DATA4, + DataColumns.ID, // 数据ID + DataColumns.CONTENT, // 内容 + DataColumns.MIME_TYPE, // MIME类型 + DataColumns.DATA1, // 数据1 + DataColumns.DATA2, // 数据2 + DataColumns.DATA3, // 数据3 + DataColumns.DATA4, // 数据4 }; + // 笔记查询投影列 public static final String[] NOTE_PROJECTION = new String[] { - NoteColumns.PARENT_ID, - NoteColumns.ALERTED_DATE, - NoteColumns.BG_COLOR_ID, - NoteColumns.WIDGET_ID, - NoteColumns.WIDGET_TYPE, - NoteColumns.MODIFIED_DATE + NoteColumns.PARENT_ID, // 父文件夹ID + NoteColumns.ALERTED_DATE, // 提醒日期 + NoteColumns.BG_COLOR_ID, // 背景颜色ID + NoteColumns.WIDGET_ID, // 小部件ID + NoteColumns.WIDGET_TYPE, // 小部件类型 + NoteColumns.MODIFIED_DATE // 修改日期 }; - private static final int DATA_ID_COLUMN = 0; - - private static final int DATA_CONTENT_COLUMN = 1; - - private static final int DATA_MIME_TYPE_COLUMN = 2; - - private static final int DATA_MODE_COLUMN = 3; - - private static final int NOTE_PARENT_ID_COLUMN = 0; - - private static final int NOTE_ALERTED_DATE_COLUMN = 1; - - private static final int NOTE_BG_COLOR_ID_COLUMN = 2; - - private static final int NOTE_WIDGET_ID_COLUMN = 3; - - private static final int NOTE_WIDGET_TYPE_COLUMN = 4; - - private static final int NOTE_MODIFIED_DATE_COLUMN = 5; - - // New note construct + // 列索引常量 + private static final int DATA_ID_COLUMN = 0; // 数据ID列索引 + private static final int DATA_CONTENT_COLUMN = 1; // 内容列索引 + private static final int DATA_MIME_TYPE_COLUMN = 2; // MIME类型列索引 + private static final int DATA_MODE_COLUMN = 3; // 模式列索引 + private static final int NOTE_PARENT_ID_COLUMN = 0; // 父文件夹ID列索引 + private static final int NOTE_ALERTED_DATE_COLUMN = 1; // 提醒日期列索引 + private static final int NOTE_BG_COLOR_ID_COLUMN = 2; // 背景颜色ID列索引 + private static final int NOTE_WIDGET_ID_COLUMN = 3; // 小部件ID列索引 + private static final int NOTE_WIDGET_TYPE_COLUMN = 4; // 小部件类型列索引 + private static final int NOTE_MODIFIED_DATE_COLUMN = 5; // 修改日期列索引 + + // 构造函数：创建新笔记 private WorkingNote(Context context, long folderId) { mContext = context; mAlertDate = 0; - mModifiedDate = System.currentTimeMillis(); + mModifiedDate = System.currentTimeMillis(); // 设置当前时间为修改时间 mFolderId = folderId; mNote = new Note(); mNoteId = 0; mIsDeleted = false; mMode = 0; - mWidgetType = Notes.TYPE_WIDGET_INVALIDE; + mWidgetType = Notes.TYPE_WIDGET_INVALIDE; // 默认无效小部件类型 } - // Existing note construct + // 构造函数：加载已有笔记 private WorkingNote(Context context, long noteId, long folderId) { mContext = context; mNoteId = noteId; mFolderId = folderId; mIsDeleted = false; mNote = new Note(); - loadNote(); + loadNote(); // 加载笔记数据 } + // 加载笔记主信息 private void loadNote() { + // 查询笔记主表数据 Cursor cursor = mContext.getContentResolver().query( ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, null, null); if (cursor != null) { if (cursor.moveToFirst()) { + // 从游标中读取数据 mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN); mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN); mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN); @@ -140,13 +148,15 @@ public class WorkingNote { } cursor.close(); } else { - Log.e(TAG, "No note with id:" + mNoteId); - throw new IllegalArgumentException("Unable to find note with id " + mNoteId); + Log.e(TAG, "未找到ID为:" + mNoteId + "的笔记"); + throw new IllegalArgumentException("无法找到ID为 " + mNoteId + " 的笔记"); } - loadNoteData(); + loadNoteData(); // 加载笔记详情数据 } + // 加载笔记详情数据 private void loadNoteData() { + // 查询笔记详情数据 Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { String.valueOf(mNoteId) @@ -156,51 +166,53 @@ public class WorkingNote { if (cursor.moveToFirst()) { do { String type = cursor.getString(DATA_MIME_TYPE_COLUMN); - if (DataConstants.NOTE.equals(type)) { + if (DataConstants.NOTE.equals(type)) { // 文本类型笔记 mContent = cursor.getString(DATA_CONTENT_COLUMN); mMode = cursor.getInt(DATA_MODE_COLUMN); mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN)); - } else if (DataConstants.CALL_NOTE.equals(type)) { + } else if (DataConstants.CALL_NOTE.equals(type)) { // 通话记录类型笔记 mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN)); } else { - Log.d(TAG, "Wrong note type with type:" + type); + Log.d(TAG, "未知笔记类型:" + type); } } while (cursor.moveToNext()); } cursor.close(); } else { - Log.e(TAG, "No data with id:" + mNoteId); - throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId); + Log.e(TAG, "未找到ID为:" + mNoteId + "的笔记数据"); + throw new IllegalArgumentException("无法找到ID为 " + mNoteId + " 的笔记数据"); } } + // 创建空笔记（静态工厂方法） public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, int widgetType, int defaultBgColorId) { WorkingNote note = new WorkingNote(context, folderId); - note.setBgColorId(defaultBgColorId); - note.setWidgetId(widgetId); - note.setWidgetType(widgetType); + note.setBgColorId(defaultBgColorId); // 设置默认背景色 + note.setWidgetId(widgetId); // 设置小部件ID + note.setWidgetType(widgetType); // 设置小部件类型 return note; } + // 加载已有笔记（静态工厂方法） public static WorkingNote load(Context context, long id) { return new WorkingNote(context, id, 0); } + // 保存笔记（同步方法） public synchronized boolean saveNote() { - if (isWorthSaving()) { - if (!existInDatabase()) { + if (isWorthSaving()) { // 检查是否值得保存 + if (!existInDatabase()) { // 如果数据库中不存在则创建新ID if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { - Log.e(TAG, "Create new note fail with id:" + mNoteId); + Log.e(TAG, "创建新笔记失败，ID:" + mNoteId); return false; } } + // 同步笔记数据到数据库 mNote.syncNote(mContext, mNoteId); - /** - * Update widget content if there exist any widget of this note - */ + // 如果有关联的小部件，更新小部件内容 if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { @@ -212,11 +224,17 @@ public class WorkingNote { } } + // 检查笔记是否存在于数据库 public boolean existInDatabase() { return mNoteId > 0; } + // 检查笔记是否值得保存 private boolean isWorthSaving() { + // 以下情况不值得保存： + // 1. 已被删除 + // 2. 新笔记但内容为空 + // 3. 已有笔记但未修改 if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) || (existInDatabase() && !mNote.isLocalModified())) { return false; @@ -225,31 +243,38 @@ public class WorkingNote { } } + // 设置设置变更监听器 public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { mNoteSettingStatusListener = l; } + // 设置提醒日期 public void setAlertDate(long date, boolean set) { if (date != mAlertDate) { mAlertDate = date; mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate)); } + // 通知监听器提醒时间已变更 if (mNoteSettingStatusListener != null) { mNoteSettingStatusListener.onClockAlertChanged(date, set); } } + // 标记为已删除 public void markDeleted(boolean mark) { mIsDeleted = mark; + // 如果有关联的小部件，更新小部件 if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { mNoteSettingStatusListener.onWidgetChanged(); } } + // 设置背景颜色 public void setBgColorId(int id) { if (id != mBgColorId) { mBgColorId = id; + // 通知监听器背景色已变更 if (mNoteSettingStatusListener != null) { mNoteSettingStatusListener.onBackgroundColorChanged(); } @@ -257,8 +282,10 @@ public class WorkingNote { } } + // 设置清单模式 public void setCheckListMode(int mode) { if (mMode != mode) { + // 通知监听器模式变更 if (mNoteSettingStatusListener != null) { mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); } @@ -267,6 +294,7 @@ public class WorkingNote { } } + // 设置小部件类型 public void setWidgetType(int type) { if (type != mWidgetType) { mWidgetType = type; @@ -274,6 +302,7 @@ public class WorkingNote { } } + // 设置小部件ID public void setWidgetId(int id) { if (id != mWidgetId) { mWidgetId = id; @@ -281,6 +310,7 @@ public class WorkingNote { } } + // 设置笔记内容 public void setWorkingText(String text) { if (!TextUtils.equals(mContent, text)) { mContent = text; @@ -288,81 +318,97 @@ public class WorkingNote { } } + // 转换为通话记录笔记 public void convertToCallNote(String phoneNumber, long callDate) { mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate)); mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber); mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER)); } + // 检查是否有提醒 public boolean hasClockAlert() { return (mAlertDate > 0 ? true : false); } + // 获取笔记内容 public String getContent() { return mContent; } + // 获取提醒日期 public long getAlertDate() { return mAlertDate; } + // 获取修改日期 public long getModifiedDate() { return mModifiedDate; } + // 获取背景颜色资源ID public int getBgColorResId() { return NoteBgResources.getNoteBgResource(mBgColorId); } + // 获取背景颜色ID public int getBgColorId() { return mBgColorId; } + // 获取标题背景资源ID public int getTitleBgResId() { return NoteBgResources.getNoteTitleBgResource(mBgColorId); } + // 获取当前模式 public int getCheckListMode() { return mMode; } + // 获取笔记ID public long getNoteId() { return mNoteId; } + // 获取文件夹ID public long getFolderId() { return mFolderId; } + // 获取小部件ID public int getWidgetId() { return mWidgetId; } + // 获取小部件类型 public int getWidgetType() { return mWidgetType; } + // 笔记设置变更监听器接口 public interface NoteSettingChangedListener { /** - * Called when the background color of current note has just changed + * 当笔记背景色变更时调用 */ void onBackgroundColorChanged(); /** - * Called when user set clock + * 当设置提醒时间时调用 + * @param date 提醒时间 + * @param set 是否设置 */ void onClockAlertChanged(long date, boolean set); /** - * Call when user create note from widget + * 当从小部件创建笔记时调用 */ void onWidgetChanged(); /** - * Call when switch between check list mode and normal mode - * @param oldMode is previous mode before change - * @param newMode is new mode + * 当切换清单模式时调用 + * @param oldMode 切换前的模式 + * @param newMode 切换后的模式 */ void onCheckListModeChanged(int oldMode, int newMode); } -} +} \ No newline at end of file -- 2.34.1