From 80054164af80757788cffedac3576a893f63bc30 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=8E=E6=95=8F?= <2063404589@qq.com> Date: Wed, 25 Sep 2024 22:29:50 +0800 Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E4=BA=8C=E4=B8=AA---model?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- WorkingNote.java | 388 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 388 insertions(+) create mode 100644 WorkingNote.java diff --git a/WorkingNote.java b/WorkingNote.java new file mode 100644 index 0000000..4bd86fb --- /dev/null +++ b/WorkingNote.java @@ -0,0 +1,388 @@ +/* + * 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; + + private long mAlertDate; + + private long mModifiedDate; + + private int mBgColorId; + + private int mWidgetId; + + private int mWidgetType; + + private long mFolderId; + + private Context mContext; + + private static final String TAG = "WorkingNote"; + + private boolean mIsDeleted; + + private NoteSettingChangedListener mNoteSettingStatusListener; +//声明DATA_PROJECTION字符串数组 + public static final String[] DATA_PROJECTION = new String[] { + DataColumns.ID, + DataColumns.CONTENT, + DataColumns.MIME_TYPE, + DataColumns.DATA1, + DataColumns.DATA2, + DataColumns.DATA3, + DataColumns.DATA4, + }; +//声明NOTE_PROJECTION字符串数组 + 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 + }; + + 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 + private WorkingNote(Context context, long folderId) { + mContext = context; + mAlertDate = 0; + mModifiedDate = System.currentTimeMillis(); + mFolderId = folderId; + mNote = new Note(); + mNoteId = 0; + mIsDeleted = false; + mMode = 0; + mWidgetType = Notes.TYPE_WIDGET_INVALIDE; + } +//WorkingNote的构造函数 + // Existing note construct + private WorkingNote(Context context, long noteId, long folderId) { + mContext = context; + mNoteId = noteId; + mFolderId = folderId; + mIsDeleted = false; + mNote = new Note(); + loadNote(); + } +//加载Note +//通过数据库调用query函数找到第一个条目 + private void loadNote() { + Cursor cursor = mContext.getContentResolver().query( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, + null, null); +//若存在，储存相应信息 + if (cursor != null) { + if (cursor.moveToFirst()) { + mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN); + mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN); + mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN); + mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN); + mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN); + mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN); + } + cursor.close(); + //若不存在，报错 + } else { + Log.e(TAG, "No note with id:" + mNoteId); + throw new IllegalArgumentException("Unable to find note with id " + mNoteId); + } + loadNoteData(); + } +//加载NoteData + private void loadNoteData() { + Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, + DataColumns.NOTE_ID + "=?", new String[] { + String.valueOf(mNoteId) + }, null); + + if (cursor != null) { + //查到信息不为空 + if (cursor.moveToFirst()) {//查看第一项是否存在 + do { + String type = cursor.getString(DATA_MIME_TYPE_COLUMN); + if (DataConstants.NOTE.equals(type)) { + 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)) { + mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN)); + } else { + Log.d(TAG, "Wrong note type with type:" + type); + } + } while (cursor.moveToNext());//查阅所有项，直到为空 + } + cursor.close(); + } else { + Log.e(TAG, "No data with id:" + mNoteId); + throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId); + } + } +//创建空的Note +//传参：context，文件夹id，widget，背景颜色 + public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, + int widgetType, int defaultBgColorId) { + WorkingNote note = new WorkingNote(context, folderId); + //设定相关属性 + note.setBgColorId(defaultBgColorId); + note.setWidgetId(widgetId); + note.setWidgetType(widgetType); + return note; + } + + public static WorkingNote load(Context context, long id) { + return new WorkingNote(context, id, 0); + } +//保存Note + public synchronized boolean saveNote() { + if (isWorthSaving()) {//是否值得保存 + if (!existInDatabase()) {//是否存在数据库中 + if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { + Log.e(TAG, "Create new note fail with id:" + mNoteId); + return false; + } + } + + mNote.syncNote(mContext, mNoteId); + + /** + * Update widget content if there exist any widget of this note + */ + if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && mWidgetType != Notes.TYPE_WIDGET_INVALIDE + && mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onWidgetChanged(); + } + return true; + } else { + return false; + } + } +//是否在数据库中存在 + public boolean existInDatabase() { + return mNoteId > 0; + } +//是否值得保存 + private boolean isWorthSaving() { + //被删除或（不在数据库中 内容为空）或本地已保存过 + if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) + || (existInDatabase() && !mNote.isLocalModified())) { + return false; + } else { + return true; + } + } +//设置mNoteSettingStatusListener + public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { + mNoteSettingStatusListener = l; + } +//设置AlertDate +//若mAlertDate与data不同，则更改mAlertDate并设定NoteValue + 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); + } + } +//设定删除标记 + public void markDeleted(boolean mark) { + //设定标记 + mIsDeleted = mark; + if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onWidgetChanged(); + //调用mNoteSettingStatusListener的onWidgetChanged方法 + } + } +//设定背景颜色 + public void setBgColorId(int id) { + if (id != mBgColorId) {//设定条件id != mBgColorId + mBgColorId = id; + if (mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onBackgroundColorChanged(); + } + mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id)); + } + } +//设定检查列表模式 +//参数：mode + public void setCheckListMode(int mode) { + if (mMode != mode) {//设定条件mMode != mode + if (mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); + } + mMode = mode; + mNote.setTextData(TextNote.MODE, String.valueOf(mMode)); + } + } +//设定setWidgetType +//参数：type + public void setWidgetType(int type) { + if (type != mWidgetType) {//设定条件type != mWidgetType + mWidgetType = type; + mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType)); + //调用Note的setNoteValue方法更改WidgetType + } + } +//设定WidgetId +//参数：id + public void setWidgetId(int id) { + if (id != mWidgetId) {//设定条件id != mWidgetId + mWidgetId = id; + mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId)); + //调用Note的setNoteValue方法更改WidgetId + } + } +//设定WorkingText +//参数：更改的text + public void setWorkingText(String text) { + if (!TextUtils.equals(mContent, text)) {//设定条件 mContent，text内容不同 + mContent = text; + mNote.setTextData(DataColumns.CONTENT, mContent); + //调用Note的setTextData方法更改WorkingText + } + } +//转变mNote的callDate及CallNote信息 +//参数：String phoneNumber，long callDate + 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)); + } +//判断是否有时钟题型 + public boolean hasClockAlert() { + return (mAlertDate > 0 ? true : false); + } +//获取Content + public String getContent() { + return mContent; + } +//获取AlertDate + public long getAlertDate() { + return mAlertDate; + } +//获取ModifiedDate + public long getModifiedDate() { + return mModifiedDate; + } +//获取背景颜色来源id + public int getBgColorResId() { + return NoteBgResources.getNoteBgResource(mBgColorId); + } +//获取背景颜色id + public int getBgColorId() { + return mBgColorId; + } +////获取标题背景颜色id + public int getTitleBgResId() { + return NoteBgResources.getNoteTitleBgResource(mBgColorId); + } +//获取CheckListMode + public int getCheckListMode() { + return mMode; + } +//获取便签id + public long getNoteId() { + return mNoteId; + } +//获取文件夹id + public long getFolderId() { + return mFolderId; + } +//获取WidgetId + public int getWidgetId() { + return mWidgetId; + } +//获取WidgetType + public int getWidgetType() { + return mWidgetType; + } +/** + * 创建接口NoteSettingChangedListener，便签更新监视 + * 为NoteEditActivity提供接口 + */ + 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); + } +}