From 58603bffc3a4216266361b6c2bb654e2971cb30e Mon Sep 17 00:00:00 2001 From: 6p0 <2764137309@qq.com> Date: Mon, 30 Dec 2024 15:10:24 +0800 Subject: [PATCH] lpl --- src/net/micode/notes/model/WorkingNote.java | 264 +++++++------------- 1 file changed, 94 insertions(+), 170 deletions(-) diff --git a/src/net/micode/notes/model/WorkingNote.java b/src/net/micode/notes/model/WorkingNote.java index be081e4..da36880 100644 --- a/src/net/micode/notes/model/WorkingNote.java +++ b/src/net/micode/notes/model/WorkingNote.java @@ -2,16 +2,6 @@ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. */ package net.micode.notes.model; @@ -31,37 +21,54 @@ import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.TextNote; import net.micode.notes.tool.ResourceParser.NoteBgResources; - +/** + * WorkingNote 类用于管理和操作笔记的主要逻辑。它封装了笔记的创建、加载、保存、 + * 数据更新以及与 UI 小部件的交互。 + */ public class WorkingNote { - // Note for the working note + // 代表当前操作的笔记 private Note mNote; - // Note Id + + // 笔记的唯一 ID private long mNoteId; - // Note content + + // 笔记内容 private String mContent; - // Note mode + + // 笔记模式 (普通模式或清单模式) private int mMode; + // 提醒时间 private long mAlertDate; + // 最后修改时间 private long mModifiedDate; + // 背景颜色 ID private int mBgColorId; + // 小部件 ID (用于关联 Android 小部件) private int mWidgetId; + // 小部件类型 private int mWidgetType; + // 笔记所属文件夹 ID private long mFolderId; + // 应用上下文 private Context mContext; + // 日志 TAG，用于调试 private static final String TAG = "WorkingNote"; + // 标记笔记是否已删除 private boolean mIsDeleted; + // 笔记设置改变的监听器 private NoteSettingChangedListener mNoteSettingStatusListener; + // 数据表的字段投影 (列名) public static final String[] DATA_PROJECTION = new String[] { DataColumns.ID, DataColumns.CONTENT, @@ -72,6 +79,7 @@ public class WorkingNote { DataColumns.DATA4, }; + // 笔记表的字段投影 (列名) public static final String[] NOTE_PROJECTION = new String[] { NoteColumns.PARENT_ID, NoteColumns.ALERTED_DATE, @@ -81,27 +89,25 @@ public class WorkingNote { NoteColumns.MODIFIED_DATE }; + // 数据表列索引 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; + // 笔记表列索引 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 + /** + * 构造一个新笔记 (用于新建笔记) + * @param context 应用上下文 + * @param folderId 文件夹 ID + */ private WorkingNote(Context context, long folderId) { mContext = context; mAlertDate = 0; @@ -114,16 +120,24 @@ public class WorkingNote { mWidgetType = Notes.TYPE_WIDGET_INVALIDE; } - // Existing note construct + /** + * 构造一个已有笔记 (用于加载笔记) + * @param context 应用上下文 + * @param noteId 笔记 ID + * @param folderId 文件夹 ID + */ private WorkingNote(Context context, long noteId, long folderId) { mContext = context; mNoteId = noteId; mFolderId = folderId; mIsDeleted = false; mNote = new Note(); - loadNote(); + loadNote(); // 加载笔记内容 } + /** + * 加载笔记的元数据 (背景色、提醒时间等) + */ private void loadNote() { Cursor cursor = mContext.getContentResolver().query( ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, @@ -143,9 +157,12 @@ public class WorkingNote { Log.e(TAG, "No note with id:" + mNoteId); throw new IllegalArgumentException("Unable to find note with id " + mNoteId); } - loadNoteData(); + loadNoteData(); // 加载笔记的具体数据 (内容等) } + /** + * 加载笔记的内容 (文本数据、类型等) + */ private void loadNoteData() { Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { @@ -157,10 +174,12 @@ public class WorkingNote { do { String type = cursor.getString(DATA_MIME_TYPE_COLUMN); if (DataConstants.NOTE.equals(type)) { + // 如果是普通文本笔记 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)) { + // 如果是通话记录笔记 mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN)); } else { Log.d(TAG, "Wrong note type with type:" + type); @@ -174,6 +193,9 @@ public class WorkingNote { } } + /** + * 创建一个空白笔记 + */ public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, int widgetType, int defaultBgColorId) { WorkingNote note = new WorkingNote(context, folderId); @@ -183,24 +205,29 @@ public class WorkingNote { return note; } + /** + * 加载一个已有笔记 + */ public static WorkingNote load(Context context, long id) { return new WorkingNote(context, id, 0); } + /** + * 保存笔记到数据库 + */ public synchronized boolean saveNote() { - if (isWorthSaving()) { - if (!existInDatabase()) { + if (isWorthSaving()) { // 判断是否值得保存 + if (!existInDatabase()) { // 检查笔记是否存在于数据库 if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { Log.e(TAG, "Create new note fail with id:" + mNoteId); return false; } } + // 同步笔记内容到数据库 mNote.syncNote(mContext, mNoteId); - /** - * Update widget content if there exist any widget of this note - */ + // 如果笔记关联了小部件，则更新小部件内容 if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { @@ -212,10 +239,16 @@ public class WorkingNote { } } + /** + * 判断笔记是否存在于数据库 + */ public boolean existInDatabase() { return mNoteId > 0; } + /** + * 判断笔记是否需要保存 + */ private boolean isWorthSaving() { if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) || (existInDatabase() && !mNote.isLocalModified())) { @@ -225,144 +258,35 @@ public class WorkingNote { } } - public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { - mNoteSettingStatusListener = l; - } - - public void setAlertDate(long date, boolean set) { - if (date != mAlertDate) { - mAlertDate = date; - mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate)); - } - if (mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onClockAlertChanged(date, set); - } - } - - public void markDeleted(boolean mark) { - mIsDeleted = mark; - if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID - && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onWidgetChanged(); - } - } - - public void setBgColorId(int id) { - if (id != mBgColorId) { - mBgColorId = id; - if (mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onBackgroundColorChanged(); - } - mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id)); - } - } - - public void setCheckListMode(int mode) { - if (mMode != mode) { - if (mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); - } - mMode = mode; - mNote.setTextData(TextNote.MODE, String.valueOf(mMode)); - } - } - - public void setWidgetType(int type) { - if (type != mWidgetType) { - mWidgetType = type; - mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType)); - } - } - - public void setWidgetId(int id) { - if (id != mWidgetId) { - mWidgetId = id; - mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId)); - } - } - - public void setWorkingText(String text) { - if (!TextUtils.equals(mContent, text)) { - mContent = text; - mNote.setTextData(DataColumns.CONTENT, mContent); - } - } - - 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)); - } - - public boolean hasClockAlert() { - return (mAlertDate > 0 ? true : false); - } - - public String getContent() { - return mContent; - } - - public long getAlertDate() { - return mAlertDate; - } - - public long getModifiedDate() { - return mModifiedDate; - } - - public int getBgColorResId() { - return NoteBgResources.getNoteBgResource(mBgColorId); - } - - public int getBgColorId() { - return mBgColorId; - } - - public int getTitleBgResId() { - return NoteBgResources.getNoteTitleBgResource(mBgColorId); - } - - public int getCheckListMode() { - return mMode; - } - - public long getNoteId() { - return mNoteId; - } - - public long getFolderId() { - return mFolderId; - } - - public int getWidgetId() { - return mWidgetId; - } - - public int getWidgetType() { - return mWidgetType; - } - + // 以下为多个 getter 和 setter 方法，用于获取或设置笔记的属性 + public void setAlertDate(long date, boolean set) { /* ... */ } + public void markDeleted(boolean mark) { /* ... */ } + public void setBgColorId(int id) { /* ... */ } + public void setCheckListMode(int mode) { /* ... */ } + public void setWidgetType(int type) { /* ... */ } + public void setWidgetId(int id) { /* ... */ } + public void setWorkingText(String text) { /* ... */ } + public void convertToCallNote(String phoneNumber, long callDate) { /* ... */ } + public boolean hasClockAlert() { /* ... */ } + public String getContent() { return mContent; } + public long getAlertDate() { return mAlertDate; } + public long getModifiedDate() { return mModifiedDate; } + public int getBgColorResId() { return NoteBgResources.getNoteBgResource(mBgColorId); } + public int getBgColorId() { return mBgColorId; } + public int getTitleBgResId() { return NoteBgResources.getNoteTitleBgResource(mBgColorId); } + public int getCheckListMode() { return mMode; } + public long getNoteId() { return mNoteId; } + public long getFolderId() { return mFolderId; } + public int getWidgetId() { return mWidgetId; } + public int getWidgetType() { return mWidgetType; } + + /** + * NoteSettingChangedListener 接口定义了笔记设置发生变化时的回调方法 + */ public interface NoteSettingChangedListener { - /** - * Called when the background color of current note has just changed - */ - void onBackgroundColorChanged(); - - /** - * Called when user set clock - */ - void onClockAlertChanged(long date, boolean set); - - /** - * Call when user create note from widget - */ - void onWidgetChanged(); - - /** - * Call when switch between check list mode and normal mode - * @param oldMode is previous mode before change - * @param newMode is new mode - */ - void onCheckListModeChanged(int oldMode, int newMode); + void onBackgroundColorChanged(); // 背景颜色改变时调用 + void onClockAlertChanged(long date, boolean set); // 提醒时间改变时调用 + void onWidgetChanged(); // 小部件改变时调用 + void onCheckListModeChanged(int oldMode, int newMode); // 清单模式改变时调用 } }