You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

385 lines
13 KiB

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

/*
* 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.gtask.data;
import android.database.Cursor;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.data.Notes;
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.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class Task extends Node {
private static final String TAG = Task.class.getSimpleName();
private boolean mCompleted; // 是否完成任务
private String mNotes; // 任务备注
private JSONObject mMetaInfo; // 元数据信息
private Task mPriorSibling; // 前一个兄弟任务
private TaskList mParent; // 父任务列表
public Task() {
super();
mCompleted = false;
mNotes = null;
mPriorSibling = null;
mParent = null;
mMetaInfo = null;
}
/**
* 创建任务的 JSON 对象,用于创建新任务。
*
* @param actionId 操作 ID
* @return 创建任务的 JSON 对象
*/
public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject();
try {
// 设置操作类型为创建
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
// 设置操作 ID
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// 设置任务在父任务列表中的索引
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
// 设置任务实体信息
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, GTaskStringUtils.GTASK_JSON_TYPE_TASK);
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
}
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
// 设置父任务列表的 ID
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
// 设置目标父类型
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// 设置任务列表 ID
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
// 设置前一个兄弟任务的 ID如果有
if (mPriorSibling != null) {
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("生成任务创建 JSON 对象失败");
}
return js;
}
/**
* 创建任务的 JSON 对象,用于更新现有任务。
*
* @param actionId 操作 ID
* @return 更新任务的 JSON 对象
*/
public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject();
try {
// 设置操作类型为更新
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
// 设置操作 ID
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// 设置任务 ID
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
// 设置任务实体信息
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
}
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("生成任务更新 JSON 对象失败");
}
return js;
}
/**
* 根据远程 JSON 对象设置任务内容。
*
* @param js 远程 JSON 对象
*/
public void setContentByRemoteJSON(JSONObject js) {
if (js != null) {
try {
// 设置任务 ID
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
}
// 设置最后修改时间
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
}
// 设置任务名称
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
}
// 设置任务备注
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
}
// 设置是否已删除
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
}
// 设置是否已完成
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("从 JSON 对象获取任务内容失败");
}
}
}
/**
* 根据本地 JSON 对象设置任务内容。
*
* @param js 本地 JSON 对象
*/
public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: 没有可用的内容");
}
try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
Log.e(TAG, "无效的类型");
return;
}
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
setName(data.getString(DataColumns.CONTENT));
break;
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
}
}
/**
* 根据任务内容生成本地 JSON 对象。
*
* @return 本地 JSON 对象
*/
public JSONObject getLocalJSONFromContent() {
String name = getName();
try {
if (mMetaInfo == null) {
// 新建的任务来自 Web
if (name == null) {
Log.w(TAG, "该笔记似乎为空");
return null;
}
JSONObject js = new JSONObject();
JSONObject note = new JSONObject();
JSONArray dataArray = new JSONArray();
JSONObject data = new JSONObject();
data.put(DataColumns.CONTENT, name);
dataArray.put(data);
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
return js;
} else {
// 已同步的任务
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
data.put(DataColumns.CONTENT, getName());
break;
}
}
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
return mMetaInfo;
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return null;
}
}
/**
* 设置元数据信息。
*
* @param metaData 元数据对象
*/
public void setMetaInfo(MetaData metaData) {
if (metaData != null && metaData.getNotes() != null) {
try {
mMetaInfo = new JSONObject(metaData.getNotes());
} catch (JSONException e) {
Log.w(TAG, e.toString());
mMetaInfo = null;
}
}
}
/**
* 获取同步操作类型。
*
* @param c 数据库游标
* @return 同步操作类型
*/
public int getSyncAction(Cursor c) {
try {
JSONObject noteInfo = null;
if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
}
if (noteInfo == null) {
Log.w(TAG, "笔记元数据似乎已被删除");
return SYNC_ACTION_UPDATE_REMOTE;
}
if (!noteInfo.has(NoteColumns.ID)) {
Log.w(TAG, "远程笔记 ID 似乎已被删除");
return SYNC_ACTION_UPDATE_LOCAL;
}
// 验证笔记 ID
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
Log.w(TAG, "笔记 ID 不匹配");
return SYNC_ACTION_UPDATE_LOCAL;
}
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// 没有本地更新
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// 双方都没有更新
return SYNC_ACTION_NONE;
} else {
// 应用远程到本地
return SYNC_ACTION_UPDATE_LOCAL;
}
} else {
// 验证任务 ID
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "任务 ID 不匹配");
return SYNC_ACTION_ERROR;
}
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// 仅本地修改
return SYNC_ACTION_UPDATE_REMOTE;
} else {
return SYNC_ACTION_UPDATE_CONFLICT;
}
}
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
}
return SYNC_ACTION_ERROR;
}
/**
* 判断任务是否有值得保存的内容。
*
* @return 是否有值得保存的内容
*/
public boolean isWorthSaving() {
return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
|| (getNotes() != null && getNotes().trim().length() > 0);
}
public void setCompleted(boolean completed) {
this.mCompleted = completed;
}
public void setNotes(String notes) {
this.mNotes = notes;
}
public void setPriorSibling(Task priorSibling) {
this.mPriorSibling = priorSibling;
}
public void setParent(TaskList parent) {
this.mParent = parent;
}
public boolean getCompleted() {
return this.mCompleted;
}
public String getNotes() {
return this.mNotes;
}
public Task getPriorSibling() {
return this.mPriorSibling;
}
public TaskList getParent() {
return this.mParent;
}
}