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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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import android.content.Context;
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import android.database.Cursor;
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import android.text.TextUtils;
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import net.micode.notes.data.Contact;
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.tool.DataUtils;
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// NoteItemData类用于封装从数据库查询得到的笔记项数据
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public class NoteItemData {
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// 定义从数据库中查询笔记项时需要返回的列
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static final String [] PROJECTION = new String [] {
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NoteColumns.ID, // 笔记ID
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NoteColumns.ALERTED_DATE, // 提醒日期
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NoteColumns.BG_COLOR_ID, // 背景颜色ID
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NoteColumns.CREATED_DATE, // 创建日期
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NoteColumns.HAS_ATTACHMENT, // 是否有附件
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NoteColumns.MODIFIED_DATE, // 修改日期
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NoteColumns.NOTES_COUNT, // 笔记数量(对于文件夹类型有效)
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NoteColumns.PARENT_ID, // 父ID(如果是文件夹内的笔记,则为文件夹ID)
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NoteColumns.SNIPPET, // 摘要
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NoteColumns.TYPE, // 笔记类型(笔记、文件夹、系统笔记等)
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NoteColumns.WIDGET_ID, // 小部件ID
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NoteColumns.WIDGET_TYPE, // 小部件类型
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};
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// 列索引常量,用于从Cursor中获取对应列的值
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private static final int ID_COLUMN = 0;
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private static final int ALERTED_DATE_COLUMN = 1;
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private static final int BG_COLOR_ID_COLUMN = 2;
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private static final int CREATED_DATE_COLUMN = 3;
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private static final int HAS_ATTACHMENT_COLUMN = 4;
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private static final int MODIFIED_DATE_COLUMN = 5;
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private static final int NOTES_COUNT_COLUMN = 6;
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private static final int PARENT_ID_COLUMN = 7;
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private static final int SNIPPET_COLUMN = 8;
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private static final int TYPE_COLUMN = 9;
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private static final int WIDGET_ID_COLUMN = 10;
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private static final int WIDGET_TYPE_COLUMN = 11;
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// 笔记项的属性
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private long mId; // 笔记ID
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private long mAlertDate; // 提醒日期
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private int mBgColorId; // 背景颜色ID
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private long mCreatedDate; // 创建日期
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private boolean mHasAttachment; // 是否有附件
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private long mModifiedDate; // 修改日期
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private int mNotesCount; // 笔记数量
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private long mParentId; // 父ID
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private String mSnippet; // 摘要
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private int mType; // 笔记类型
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private int mWidgetId; // 小部件ID
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private int mWidgetType; // 小部件类型
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private String mName; // 联系人姓名(如果是通话记录笔记)
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private String mPhoneNumber; // 联系电话(如果是通话记录笔记)
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// 笔记项的位置信息
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private boolean mIsLastItem; // 是否是最后一个项目
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private boolean mIsFirstItem; // 是否是第一个项目
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private boolean mIsOnlyOneItem; // 是否是唯一的项目
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private boolean mIsOneNoteFollowingFolder; // 是否是一个笔记紧跟在文件夹后面
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private boolean mIsMultiNotesFollowingFolder; // 是否是多个笔记紧跟在文件夹后面
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// 构造函数,通过Cursor初始化NoteItemData对象
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public NoteItemData(Context context, Cursor cursor) {
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// 从Cursor中读取数据并赋值给成员变量
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// ...(省略了具体的赋值代码)
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// 如果是通话记录笔记,则通过电话号码获取联系人姓名
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// ...(省略了具体的逻辑代码)
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// 初始化名称,如果获取不到联系人姓名,则使用空字符串
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if (mName == null) {
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mName = "";
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}
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// 检查当前笔记项的位置信息
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checkPostion(cursor);
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}
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// 检查当前笔记项的位置信息
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private void checkPostion(Cursor cursor) {
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// ...(省略了具体的逻辑代码)
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}
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// Getter方法,用于获取笔记项的各种属性
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// ...(省略了具体的Getter方法)
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// 判断是否有提醒
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public boolean hasAlert() {
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return (mAlertDate > 0);
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}
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// 判断是否是通话记录笔记
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public boolean isCallRecord() {
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return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
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}
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// 静态方法,用于从Cursor中获取笔记类型
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public static int getNoteType(Cursor cursor) {
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return cursor.getInt(TYPE_COLUMN);
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}
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} |