ADD file via upload

Note.java

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+/*
+ * 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;
+import android.content.ContentProviderOperation;
+import android.content.ContentProviderResult;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.OperationApplicationException;
+import android.net.Uri;
+import android.os.RemoteException;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.CallNote;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.Notes.TextNote;
+
+import java.util.ArrayList;
+
+
+public class Note {
+    // 定义一个ContentValues对象，用于存储note的差值
+    private ContentValues mNoteDiffValues;
+    // 定义一个NoteData对象，用于存储note的数据
+    private NoteData mNoteData;
+    private static final String TAG = "Note";
+    /**
+     * Create a new note id for adding a new note to databases
+     */
+// 获取新笔记的ID
+    public static synchronized long getNewNoteId(Context context, long folderId) {
+        // Create a new note in the database
+// 创建一个ContentValues对象，用于存储要插入的数据
+        ContentValues values = new ContentValues();
+// 获取当前时间戳
+        long createdTime = System.currentTimeMillis();
+// 将创建时间插入到values中
+        values.put(NoteColumns.CREATED_DATE, createdTime);
+// 将修改时间插入到values中
+        values.put(NoteColumns.MODIFIED_DATE, createdTime);
+// 将类型插入到values中
+        values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
+// 将本地修改标记插入到values中
+        values.put(NoteColumns.LOCAL_MODIFIED, 1);
+// 将父文件夹ID插入到values中
+        values.put(NoteColumns.PARENT_ID, folderId);
+// 使用ContentResolver的insert方法将values插入到Notes.CONTENT_NOTE_URI中，并返回插入的Uri
+        Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
+
+// 声明一个noteId变量，用于存储插入的笔记ID
+        long noteId = 0;
+        try {
+            // 从uri中获取noteId
+            noteId = Long.valueOf(uri.getPathSegments().get(1));
+        } catch (NumberFormatException e) {
+            // 如果获取noteId出错，则打印错误日志，并将noteId设为0
+            Log.e(TAG, "Get note id error :" + e.toString());
+            noteId = 0;
+        }
+        // 如果noteId为-1，则抛出异常
+        if (noteId == -1) {
+            throw new IllegalStateException("Wrong note id:" + noteId);
+        }
+        // 返回noteId
+   // 返回noteId
+        return noteId;
+    }
+
+    // 构造函数，初始化mNoteDiffValues和mNoteData
+    public Note() {
+        mNoteDiffValues = new ContentValues();
+        mNoteData = new NoteData();
+    }
+
+    // 设置note的值，并更新LOCAL_MODIFIED和MODIFIED_DATE字段
+    public void setNoteValue(String key, String value) {
+        mNoteDiffValues.put(key, value);
+        mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+        mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+    }
+
+    // 设置文本数据
+    public void setTextData(String key, String value) {
+        mNoteData.setTextData(key, value);
+    }
+
+  // 设置文本数据ID
+    public void setTextDataId(long id) {
+        mNoteData.setTextDataId(id);
+    }
+
+    // 获取文本数据ID
+    public long getTextDataId() {
+        return mNoteData.mTextDataId;
+    }
+
+    // 设置通话数据ID
+    public void setCallDataId(long id) {
+        mNoteData.setCallDataId(id);
+    }
+
+    // 设置通话数据
+    public void setCallData(String key, String value) {
+        mNoteData.setCallData(key, value);
+    }
+
+    // 判断是否本地修改
+    public boolean isLocalModified() {
+        return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
+    }
+
+    public boolean syncNote(Context context, long noteId) {
+        // 检查noteId是否小于等于0，如果是，则抛出异常
+        if (noteId <= 0) {
+            throw new IllegalArgumentException("Wrong note id:" + noteId);
+        }
+
+        // 如果本地没有修改，则直接返回true
+        if (!isLocalModified()) {
+            return true;
+        }
+
+        /**
+         * In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
+         * {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
+         * note data info
+         */
+        if (context.getContentResolver().update(
+                ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
+                null) == 0) {
+            Log.e(TAG, "Update note error, should not happen");
+            // Do not return, fall through
+        }
+        mNoteDiffValues.clear();
+
+        if (mNoteData.isLocalModified()
+                && (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    private class NoteData {
+        private long mTextDataId;
+
+        private ContentValues mTextDataValues;
+
+        private long mCallDataId;
+
+        private ContentValues mCallDataValues;
+
+        private static final String TAG = "NoteData";
+
+        public NoteData() {
+            mTextDataValues = new ContentValues();
+            mCallDataValues = new ContentValues();
+            mTextDataId = 0;
+            mCallDataId = 0;
+        }
+
+        boolean isLocalModified() {
+            return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
+        }
+
+        void setTextDataId(long id) {
+            if(id <= 0) {
+                throw new IllegalArgumentException("Text data id should larger than 0");
+            }
+            mTextDataId = id;
+        }
+
+        void setCallDataId(long id) {
+            if (id <= 0) {
+                throw new IllegalArgumentException("Call data id should larger than 0");
+            }
+            mCallDataId = id;
+        }
+
+        void setCallData(String key, String value) {
+            mCallDataValues.put(key, value);
+            mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+            mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+        }
+
+        void setTextData(String key, String value) {
+            mTextDataValues.put(key, value);
+            mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
+            mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
+        }
+
+        Uri pushIntoContentResolver(Context context, long noteId) {
+            /**
+             * Check for safety
+             */
+            if (noteId <= 0) {
+                throw new IllegalArgumentException("Wrong note id:" + noteId);
+            }
+
+            ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
+            ContentProviderOperation.Builder builder = null;
+
+            if(mTextDataValues.size() > 0) {
+                mTextDataValues.put(DataColumns.NOTE_ID, noteId);
+                if (mTextDataId == 0) {
+                    mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
+                    Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
+                            mTextDataValues);
+                    try {
+                        setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
+                    } catch (NumberFormatException e) {
+                        Log.e(TAG, "Insert new text data fail with noteId" + noteId);
+                        mTextDataValues.clear();
+                        return null;
+                    }
+                } else {
+                    builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
+                            Notes.CONTENT_DATA_URI, mTextDataId));
+                    builder.withValues(mTextDataValues);
+                    operationList.add(builder.build());
+                }
+                mTextDataValues.clear();
+            }
+
+            if(mCallDataValues.size() > 0) {
+                mCallDataValues.put(DataColumns.NOTE_ID, noteId);
+                if (mCallDataId == 0) {
+                    mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
+                    Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
+                            mCallDataValues);
+                    try {
+                        setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
+                    } catch (NumberFormatException e) {
+                        Log.e(TAG, "Insert new call data fail with noteId" + noteId);
+                        mCallDataValues.clear();
+                        return null;
+                    }
+                } else {
+                    builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
+                            Notes.CONTENT_DATA_URI, mCallDataId));
+                    builder.withValues(mCallDataValues);
+                    operationList.add(builder.build());
+                }
+                mCallDataValues.clear();
+            }
+
+            if (operationList.size() > 0) {
+                try {
+                    ContentProviderResult[] results = context.getContentResolver().applyBatch(
+                            Notes.AUTHORITY, operationList);
+                    return (results == null || results.length == 0 || results[0] == null) ? null
+                            : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
+                } catch (RemoteException e) {
+                    Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+                    return null;
+                } catch (OperationApplicationException e) {
+                    Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
+                    return null;
+                }
+            }
+            return null;
+        }
+    }
+}

WorkingNote.java

@@ -0,0 +1,515 @@
+/*
+ * 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;
+
+import android.appwidget.AppWidgetManager;
+import android.content.ContentUris;
+import android.content.Context;
+import android.database.Cursor;
+import android.text.TextUtils;
+import android.util.Log;
+
+import net.micode.notes.data.Notes;
+import net.micode.notes.data.Notes.CallNote;
+import net.micode.notes.data.Notes.DataColumns;
+import net.micode.notes.data.Notes.DataConstants;
+import net.micode.notes.data.Notes.NoteColumns;
+import net.micode.notes.data.Notes.TextNote;
+import net.micode.notes.tool.ResourceParser.NoteBgResources;
+
+
+public class WorkingNote {
+    // Note for the working note
+    private Note mNote;
+    // Note Id
+    private long mNoteId;
+    // Note content
+    private String mContent;
+    // Note mode
+    private int mMode;
+
+    // Alert date
+    private long mAlertDate;
+
+    // Modified date
+    private long mModifiedDate;
+
+    // Background color id
+    private int mBgColorId;
+
+    // Widget id
+    private int mWidgetId;
+
+    // Widget type
+    private int mWidgetType;
+
+    // Folder id
+    private long mFolderId;
+
+    // Context
+    private Context mContext;
+
+    // Tag for logging
+    private static final String TAG = "WorkingNote";
+
+    // Whether the note is deleted
+    private boolean mIsDeleted;
+
+    // Listener for note setting changes
+// 声明一个NoteSettingChangedListener类型的变量mNoteSettingStatusListener
+    private NoteSettingChangedListener mNoteSettingStatusListener;
+
+// 定义一个常量DATA_PROJECTION，用于存储数据列的名称
+    public static final String[] DATA_PROJECTION = new String[] {
+        // 数据列ID
+            DataColumns.ID,
+        // 数据列内容
+            DataColumns.CONTENT,
+        // 数据列MIME类型
+            DataColumns.MIME_TYPE,
+        // 数据列DATA1
+            DataColumns.DATA1,
+        // 数据列DATA2
+            DataColumns.DATA2,
+        // 数据列DATA3
+            DataColumns.DATA3,
+        // 数据列DATA4
+            DataColumns.DATA4,
+    };
+
+// 定义一个常量数组，用于存储NoteColumns中的字段
+    public static final String[] NOTE_PROJECTION = new String[] {
+            // 存储NoteColumns中的PARENT_ID字段
+            NoteColumns.PARENT_ID,
+            // 存储NoteColumns中的ALERTED_DATE字段
+            NoteColumns.ALERTED_DATE,
+            // 存储NoteColumns中的BG_COLOR_ID字段
+            NoteColumns.BG_COLOR_ID,
+            // 存储NoteColumns中的WIDGET_ID字段
+            NoteColumns.WIDGET_ID,
+            // 存储NoteColumns中的WIDGET_TYPE字段
+            NoteColumns.WIDGET_TYPE,
+            // 存储NoteColumns中的MODIFIED_DATE字段
+            NoteColumns.MODIFIED_DATE
+    };
+
+// 数据ID列
+    private static final int DATA_ID_COLUMN = 0;
+
+// 数据内容列
+    private static final int DATA_CONTENT_COLUMN = 1;
+
+// 数据MIME类型列
+    private static final int DATA_MIME_TYPE_COLUMN = 2;
+
+// 数据模式列
+    private static final int DATA_MODE_COLUMN = 3;
+
+// 笔记父ID列
+    private static final int NOTE_PARENT_ID_COLUMN = 0;
+
+// 笔记提醒日期列
+    private static final int NOTE_ALERTED_DATE_COLUMN = 1;
+
+// 笔记背景颜色ID列
+    private static final int NOTE_BG_COLOR_ID_COLUMN = 2;
+
+// 笔记小部件ID列
+    private static final int NOTE_WIDGET_ID_COLUMN = 3;
+
+// 笔记小部件类型列
+    private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
+
+// 笔记修改日期列
+    private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
+
+    // New note construct
+ // 构造函数，用于创建一个WorkingNote对象
+    private WorkingNote(Context context, long folderId) {
+        // 保存上下文对象
+        mContext = context;
+        // 初始化提醒日期为0
+        mAlertDate = 0;
+        // 初始化修改日期为当前时间
+        mModifiedDate = System.currentTimeMillis();
+        // 保存文件夹ID
+        mFolderId = folderId;
+        // 创建一个新的Note对象
+        mNote = new Note();
+        // 初始化NoteID为0
+        mNoteId = 0;
+        // 初始化删除状态为false
+        mIsDeleted = false;
+        // 初始化模式为0
+        mMode = 0;
+        // 初始化小部件类型为无效类型
+        mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
+    }
+
+    // Existing note construct
+// 构造函数，用于创建一个WorkingNote对象
+    private WorkingNote(Context context, long noteId, long folderId) {
+        // 保存上下文对象
+        mContext = context;
+        // 保存笔记ID
+        mNoteId = noteId;
+        // 保存文件夹ID
+        mFolderId = folderId;
+        // 初始化删除标志为false
+        mIsDeleted = false;
+        // 创建一个新的Note对象
+        mNote = new Note();
+        // 加载笔记
+        loadNote();
+    }
+
+// 加载笔记
+    private void loadNote() {
+        // 从内容解析器中查询指定ID的笔记，返回一个游标
+        Cursor cursor = mContext.getContentResolver().query(
+                ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
+                null, null);
+
+// 如果游标不为空
+        if (cursor != null) {
+    // 将游标移动到第一行
+            if (cursor.moveToFirst()) {
+        // 获取笔记的父文件夹ID
+                mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
+        // 获取笔记的背景颜色ID
+                mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN);
+        // 获取笔记的小部件ID
+                mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN);
+        // 获取笔记的小部件类型
+                mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN);
+        // 获取笔记的提醒日期
+                mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN);
+        // 获取笔记的修改日期
+                mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
+            }
+    // 关闭游标
+            cursor.close();
+        } else {
+    // 如果游标为空，则输出错误日志，并抛出异常
+            Log.e(TAG, "No note with id:" + mNoteId);
+            throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
+        }
+// 加载笔记数据
+        loadNoteData();
+    }
+
+ // 加载笔记数据
+    private void loadNoteData() {
+        // 从内容解析器中查询笔记数据
+        Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
+                DataColumns.NOTE_ID + "=?", new String[] {
+                    String.valueOf(mNoteId)
+                }, null);
+
+        if (cursor != null) {
+            // 如果游标不为空
+            if (cursor.moveToFirst()) {
+                // 将游标移动到第一行
+                do {
+                    // 循环遍历游标中的每一行
+                    String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
+                    // 获取当前行的MIME类型
+                    if (DataConstants.NOTE.equals(type)) {
+                        // 如果MIME类型为NOTE
+                        mContent = cursor.getString(DATA_CONTENT_COLUMN);
+                        // 获取当前行的内容
+                        mMode = cursor.getInt(DATA_MODE_COLUMN);
+                        // 获取当前行的模式
+                        mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN));
+                        // 设置文本数据ID
+                    } else if (DataConstants.CALL_NOTE.equals(type)) {
+                        // 如果MIME类型为CALL_NOTE
+                        mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN));
+                        // 设置电话数据ID
+                    } else {
+                        // 如果MIME类型不是NOTE或CALL_NOTE
+                        Log.d(TAG, "Wrong note type with type:" + type);
+                        // 打印错误日志
+                    }
+                } while (cursor.moveToNext());
+                // 将游标移动到下一行
+            }
+            cursor.close();
+            // 关闭游标
+        } else {
+            // 如果游标为空
+            Log.e(TAG, "No data with id:" + mNoteId);
+            // 打印错误日志
+            throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
+            // 抛出异常
+        }
+    }
+
+// 创建一个空的WorkingNote对象
+    public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
+            int widgetType, int defaultBgColorId) {
+        // 创建一个新的WorkingNote对象，传入上下文和文件夹ID
+        WorkingNote note = new WorkingNote(context, folderId);
+        // 设置背景颜色ID
+        note.setBgColorId(defaultBgColorId);
+        // 设置小部件ID
+        note.setWidgetId(widgetId);
+        // 设置小部件类型
+        note.setWidgetType(widgetType);
+        // 返回创建的WorkingNote对象
+        return note;
+    }
+
+    public static WorkingNote load(Context context, long id) {
+        // 根据传入的context和id创建一个新的WorkingNote对象
+        return new WorkingNote(context, id, 0);
+    }
+
+    public synchronized boolean saveNote() {
+        // 同步方法，保存工作笔记
+        if (isWorthSaving()) {
+            // 如果工作笔记值得保存
+            if (!existInDatabase()) {
+                // 如果工作笔记不存在于数据库中
+                if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
+                    // 获取新的笔记id失败
+                    Log.e(TAG, "Create new note fail with id:" + mNoteId);
+                    return false;
+                }
+            }
+
+// 同步笔记
+            mNote.syncNote(mContext, mNoteId);
+
+            /**
+             * Update widget content if there exist any widget of this note
+             */
+// 判断mWidgetId是否不等于AppWidgetManager.INVALID_APPWIDGET_ID，mWidgetType是否不等于Notes.TYPE_WIDGET_INVALIDE，mNoteSettingStatusListener是否不为空
+            if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                    && mWidgetType != Notes.TYPE_WIDGET_INVALIDE
+                    && mNoteSettingStatusListener != null) {
+                // 如果满足上述条件，则调用mNoteSettingStatusListener的onWidgetChanged方法
+                mNoteSettingStatusListener.onWidgetChanged();
+            }
+            // 返回true
+            return true;
+        } else {
+            // 如果不满足上述条件，则返回false
+            return false;
+        }
+    }
+
+    public boolean existInDatabase() {
+        // 判断mNoteId是否大于0，如果大于0，则表示该笔记存在于数据库中
+        return mNoteId > 0;
+    }
+
+    private boolean isWorthSaving() {
+        // 判断是否需要保存笔记
+        if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
+                || (existInDatabase() && !mNote.isLocalModified())) {
+            // 如果笔记被删除，或者笔记不存在于数据库中且内容为空，或者笔记存在于数据库中且未修改，则不需要保存
+            return false;
+        } else {
+            // 否则，需要保存
+            return true;
+        }
+    }
+
+    public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
+        // 设置NoteSettingChangedListener监听器
+        mNoteSettingStatusListener = l;
+    }
+
+    public void setAlertDate(long date, boolean set) {
+        // 设置提醒日期
+        if (date != mAlertDate) {
+            mAlertDate = date;
+            mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate));
+        }
+        // 如果NoteSettingChangedListener监听器不为空，则调用onClockAlertChanged方法
+        if (mNoteSettingStatusListener != null) {
+            mNoteSettingStatusListener.onClockAlertChanged(date, set);
+        }
+    }
+
+    public void markDeleted(boolean mark) {
+        // 标记是否已删除
+        mIsDeleted = mark;
+        // 如果widgetId不为无效，widgetType不为无效，并且NoteSettingStatusListener不为空，则调用onWidgetChanged方法
+        if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
+                && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onWidgetChanged();
+        }
+    }
+
+    public void setBgColorId(int id) {
+        // 如果传入的id和当前背景颜色id不同
+        if (id != mBgColorId) {
+            // 更新背景颜色id
+            mBgColorId = id;
+            // 如果有监听器，则调用监听器的onBackgroundColorChanged方法
+            if (mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onBackgroundColorChanged();
+            }
+            // 更新笔记的背景颜色id
+            mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
+        }
+    }
+
+    public void setCheckListMode(int mode) {
+        // 如果当前模式与传入的模式不同
+        if (mMode != mode) {
+            // 如果有监听器，则调用监听器的onCheckListModeChanged方法，传入当前模式和传入的模式
+            if (mNoteSettingStatusListener != null) {
+                mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
+            }
+            // 将当前模式设置为传入的模式
+            mMode = mode;
+            // 将当前模式保存到文本数据中
+            mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
+        }
+    }
+
+    // 设置小部件类型
+    public void setWidgetType(int type) {
+        // 如果传入的type与mWidgetType不同，则更新mWidgetType的值，并将新的值保存到mNote中
+// 如果type不等于mWidgetType，则执行以下操作
+        if (type != mWidgetType) {
+            // 将mWidgetType赋值为type
+            mWidgetType = type;
+            // 将mWidgetType的值设置为NoteColumns.WIDGET_TYPE
+            mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
+        }
+    }
+
+// 设置小部件ID
+    public void setWidgetId(int id) {
+        // 如果传入的id与mWidgetId不同，则更新mWidgetId的值，并将新的值保存到mNote中
+ // 如果id不等于mWidgetId
+        if (id != mWidgetId) {
+            // 将mWidgetId赋值为id
+            mWidgetId = id;
+            // 将mWidgetId的值设置为NoteColumns.WIDGET_ID
+            mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
+        }
+    }
+
+    public void setWorkingText(String text) {
+        // 如果传入的文本和当前文本不相等
+        if (!TextUtils.equals(mContent, text)) {
+            // 将当前文本设置为传入的文本
+            mContent = text;
+            // 将传入的文本设置到Note对象中
+            mNote.setTextData(DataColumns.CONTENT, mContent);
+        }
+    }
+
+    public void convertToCallNote(String phoneNumber, long callDate) {
+        // 将通话日期转换为字符串并设置到mNote中
+        mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
+        // 将电话号码设置到mNote中
+        mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
+        // 将父ID设置为通话记录文件夹的ID
+        mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
+    }
+
+    public boolean hasClockAlert() {
+        // 判断mAlertDate是否大于0，如果是则返回true，否则返回false
+        return (mAlertDate > 0 ? true : false);
+    }
+
+    public String getContent() {
+        // 返回mContent的值
+        return mContent;
+    }
+
+    public long getAlertDate() {
+        // 返回提醒日期
+        return mAlertDate;
+    }
+
+    public long getModifiedDate() {
+        // 返回修改日期
+        return mModifiedDate;
+    }
+
+ // 获取背景颜色资源ID
+    public int getBgColorResId() {
+        // 从NoteBgResources类中获取背景颜色资源ID
+        return NoteBgResources.getNoteBgResource(mBgColorId);
+    }
+
+// 获取背景颜色ID
+    public int getBgColorId() {
+        return mBgColorId;
+    }
+
+    public int getTitleBgResId() {
+        // 获取标题背景资源ID
+        return NoteBgResources.getNoteTitleBgResource(mBgColorId);
+    }
+
+    public int getCheckListMode() {
+        // 获取清单模式
+        return mMode;
+    }
+
+    public long getNoteId() {
+        // 获取笔记ID
+        return mNoteId;
+    }
+
+    public long getFolderId() {
+        // 获取文件夹ID
+        return mFolderId;
+    }
+
+    public int getWidgetId() {
+        // 返回mWidgetId的值
+        return mWidgetId;
+    }
+
+    public int getWidgetType() {
+        // 返回mWidgetType的值
+        return mWidgetType;
+    }
+
+    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);
+    }
+}