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335 lines
12 KiB
335 lines
12 KiB
/*
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* 版权所有 (c) 2010-2011, MiCode 开源社区 (www.micode.net)
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*
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* 根据 Apache License, Version 2.0 (以下简称“许可协议”) 授权;
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* 除非遵守许可协议，否则不得使用此文件。
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* 您可以在以下网址获取许可协议的副本：
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* 除非适用法律要求或书面同意，根据许可协议分发的软件按“原样”提供，
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* 不提供任何明示或暗示的担保或条件。
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* 请参阅许可协议了解许可权限及限制。
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*/
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package net.micode.notes.gtask.data;
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import android.database.Cursor;
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import android.text.TextUtils;
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import android.util.Log;
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.DataColumns;
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import net.micode.notes.data.Notes.DataConstants;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.gtask.exception.ActionFailureException;
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import net.micode.notes.tool.GTaskStringUtils;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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// 任务类，继承自节点类
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public class Task extends Node {
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private static final String TAG = Task.class.getSimpleName(); // 日志标签
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private boolean mCompleted; // 任务完成标记
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private String mNotes; // 任务的备注
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private JSONObject mMetaInfo; // 任务的元信息
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private Task mPriorSibling; // 前一个兄弟任务
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private TaskList mParent; // 任务的父任务列表
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// 构造方法，初始化任务属性
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public Task() {
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super();
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mCompleted = false;
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mNotes = null;
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mPriorSibling = null;
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mParent = null;
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mMetaInfo = null;
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}
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// 创建任务的 JSON 对象
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public JSONObject getCreateAction(int actionId) {
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JSONObject js = new JSONObject();
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try {
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// 设置动作类型为创建
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js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
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GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
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// 设置动作 ID
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js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
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// 设置任务的索引
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js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
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// 设置实体数据
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JSONObject entity = new JSONObject();
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entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
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entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
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entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
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GTaskStringUtils.GTASK_JSON_TYPE_TASK);
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if (getNotes() != null) {
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entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
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}
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js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
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// 设置父任务 ID
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js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
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// 设置父任务类型
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js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
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GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
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// 设置任务列表 ID
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js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
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// 设置前一个兄弟任务 ID
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if (mPriorSibling != null) {
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js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
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}
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} catch (JSONException e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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throw new ActionFailureException("创建任务 JSON 对象失败");
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}
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return js;
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}
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// 更新任务的 JSON 对象
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public JSONObject getUpdateAction(int actionId) {
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JSONObject js = new JSONObject();
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try {
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js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
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GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
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js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
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js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
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JSONObject entity = new JSONObject();
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entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
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if (getNotes() != null) {
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entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
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}
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entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
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js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
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} catch (JSONException e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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throw new ActionFailureException("更新任务 JSON 对象失败");
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}
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return js;
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}
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// 从远程 JSON 设置任务内容
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public void setContentByRemoteJSON(JSONObject js) {
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if (js != null) {
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try {
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if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
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setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
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}
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if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
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setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
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}
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if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
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setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
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}
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if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
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setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
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}
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if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
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setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
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}
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if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
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setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
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}
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} catch (JSONException e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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throw new ActionFailureException("从 JSON 获取任务内容失败");
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}
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}
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}
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// 从本地 JSON 设置任务内容
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public void setContentByLocalJSON(JSONObject js) {
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if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
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|| !js.has(GTaskStringUtils.META_HEAD_DATA)) {
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Log.w(TAG, "setContentByLocalJSON: 数据为空");
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}
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try {
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JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
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JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
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if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
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Log.e(TAG, "无效类型");
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return;
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}
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for (int i = 0; i < dataArray.length(); i++) {
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JSONObject data = dataArray.getJSONObject(i);
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if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
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setName(data.getString(DataColumns.CONTENT));
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break;
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}
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}
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} catch (JSONException e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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}
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}
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// 获取本地 JSON 内容
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public JSONObject getLocalJSONFromContent() {
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String name = getName();
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try {
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if (mMetaInfo == null) {
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if (name == null) {
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Log.w(TAG, "笔记为空");
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return null;
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}
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JSONObject js = new JSONObject();
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JSONObject note = new JSONObject();
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JSONArray dataArray = new JSONArray();
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JSONObject data = new JSONObject();
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data.put(DataColumns.CONTENT, name);
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dataArray.put(data);
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js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
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note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
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js.put(GTaskStringUtils.META_HEAD_NOTE, note);
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return js;
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} else {
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JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
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JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
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for (int i = 0; i < dataArray.length(); i++) {
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JSONObject data = dataArray.getJSONObject(i);
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if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
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data.put(DataColumns.CONTENT, getName());
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break;
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}
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}
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note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
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return mMetaInfo;
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}
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} catch (JSONException e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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return null;
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}
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}
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// 设置元信息
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public void setMetaInfo(MetaData metaData) {
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if (metaData != null && metaData.getNotes() != null) {
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try {
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mMetaInfo = new JSONObject(metaData.getNotes());
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} catch (JSONException e) {
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Log.w(TAG, e.toString());
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mMetaInfo = null;
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}
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}
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}
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// 获取同步操作
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public int getSyncAction(Cursor c) {
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try {
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JSONObject noteInfo = null;
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if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
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noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
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}
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if (noteInfo == null) {
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Log.w(TAG, "笔记元数据已删除");
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return SYNC_ACTION_UPDATE_REMOTE;
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}
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if (!noteInfo.has(NoteColumns.ID)) {
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Log.w(TAG, "远程笔记 ID 似乎被删除");
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return SYNC_ACTION_UPDATE_LOCAL;
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}
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if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
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Log.w(TAG, "笔记 ID 不匹配");
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return SYNC_ACTION_UPDATE_LOCAL;
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}
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if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
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if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
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return SYNC_ACTION_NONE;
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} else {
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return SYNC_ACTION_UPDATE_LOCAL;
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}
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} else {
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if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
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Log.e(TAG, "gtask ID 不匹配");
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return SYNC_ACTION_ERROR;
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}
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if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
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return SYNC_ACTION_UPDATE_REMOTE;
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} else {
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return SYNC_ACTION_UPDATE_CONFLICT;
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}
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}
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} catch (Exception e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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}
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return SYNC_ACTION_ERROR;
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}
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// 检查任务是否值得保存
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public boolean isWorthSaving() {
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return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
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|| (getNotes() != null && getNotes().trim().length() > 0);
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}
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// 设置任务完成状态
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public void setCompleted(boolean completed) {
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this.mCompleted = completed;
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}
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// 设置备注
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public void setNotes(String notes) {
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this.mNotes = notes;
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}
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// 设置前一个兄弟任务
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public void setPriorSibling(Task priorSibling) {
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this.mPriorSibling = priorSibling;
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}
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// 设置父任务列表
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public void setParent(TaskList parent) {
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this.mParent = parent;
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}
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// 获取任务完成状态
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public boolean getCompleted() {
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return this.mCompleted;
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}
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// 获取备注
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public String getNotes() {
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return this.mNotes;
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}
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// 获取前一个兄弟任务
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public Task getPriorSibling() {
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return this.mPriorSibling;
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}
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// 获取父任务列表
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public TaskList getParent() {
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return this.mParent;
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}
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}
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