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@ -31,20 +31,27 @@ import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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// Task类继承自Node类,用于处理任务相关的操作,包括创建、更新、同步等
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public class Task extends Node {
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// 日志标签,用于调试和日志记录
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private static final String TAG = Task.class.getSimpleName();
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// 标志位,表示任务是否已完成
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private boolean mCompleted;
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// 任务的备注信息
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private String mNotes;
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// 任务的元数据信息
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private JSONObject mMetaInfo;
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// 任务的前一个兄弟任务
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private Task mPriorSibling;
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// 任务所属的任务列表
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private TaskList mParent;
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// 构造方法,初始化任务对象
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public Task() {
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super();
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mCompleted = false;
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@ -54,21 +61,22 @@ public class Task extends Node {
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mMetaInfo = null;
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}
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// 生成创建任务的JSON对象,用于与服务器交互
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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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// action_type
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// 设置操作类型为创建
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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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// action_id
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// 设置操作ID
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js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
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// index
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// 设置任务在父任务列表中的索引
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js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
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// entity_delta
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// 设置任务的基本信息
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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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@ -79,17 +87,17 @@ public class Task extends Node {
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}
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js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
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// parent_id
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// 设置父任务列表的ID
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js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
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// dest_parent_type
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// 设置目标父类型
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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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// list_id
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// 设置列表ID
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js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
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// prior_sibling_id
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// 设置前一个兄弟任务的ID(如果存在)
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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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@ -103,21 +111,22 @@ public class Task extends Node {
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return js;
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}
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// 生成更新任务的JSON对象,用于与服务器交互
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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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// action_type
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// 设置操作类型为更新
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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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// action_id
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// 设置操作ID
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js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
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// id
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// 设置任务ID
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js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
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// entity_delta
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// 设置任务的更新信息
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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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@ -135,35 +144,36 @@ public class Task extends Node {
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return js;
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}
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// 从远程JSON对象中设置任务内容
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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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// id
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// 设置任务ID
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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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// last_modified
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// 设置最后修改时间
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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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// name
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// 设置任务名称
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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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// notes
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// 设置任务备注
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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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// deleted
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// 设置任务是否已删除
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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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// completed
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// 设置任务是否已完成
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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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@ -175,21 +185,25 @@ public class Task extends Node {
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}
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}
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// 从本地JSON对象中设置任务内容
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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: nothing is avaiable");
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Log.w(TAG, "setContentByLocalJSON: nothing is available");
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}
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try {
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// 获取任务的元数据
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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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// 检查任务类型是否为普通任务
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if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
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Log.e(TAG, "invalid type");
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return;
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}
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// 设置任务内容
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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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@ -204,16 +218,18 @@ public class Task extends Node {
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}
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}
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// 从任务内容生成本地JSON对象
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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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// new task created from web
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// 新创建的任务
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if (name == null) {
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Log.w(TAG, "the note seems to be an empty one");
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return null;
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}
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// 创建JSON对象
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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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@ -225,10 +241,11 @@ public class Task extends Node {
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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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// synced task
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// 已同步的任务
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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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// 更新任务内容
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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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@ -247,6 +264,7 @@ public class Task extends Node {
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}
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}
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// 设置任务的元数据信息
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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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@ -258,6 +276,7 @@ public class Task extends Node {
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}
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}
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// 根据游标数据确定同步操作类型
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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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@ -275,31 +294,32 @@ public class Task extends Node {
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return SYNC_ACTION_UPDATE_LOCAL;
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}
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// validate the note id now
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// 验证任务ID是否匹配
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if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
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Log.w(TAG, "note id doesn't match");
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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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// there is no local update
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// 本地没有修改
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if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
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// no update both side
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// 两边都没有更新
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return SYNC_ACTION_NONE;
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} else {
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// apply remote to local
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// 应用远程到本地
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return SYNC_ACTION_UPDATE_LOCAL;
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}
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} else {
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// validate gtask id
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// 验证Gtask ID是否匹配
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if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
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Log.e(TAG, "gtask id doesn't match");
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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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// local modification only
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// 只有本地修改
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return SYNC_ACTION_UPDATE_REMOTE;
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} else {
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// 同步冲突
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return SYNC_ACTION_UPDATE_CONFLICT;
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}
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}
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@ -311,41 +331,49 @@ public class Task extends Node {
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return SYNC_ACTION_ERROR;
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}
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// 判断任务是否值得保存
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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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// 设置任务是否已完成
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public void setCompleted(boolean completed) {
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this.mCompleted = completed;
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}
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// 设置任务备注
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public void setNotes(String notes) {
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this.mNotes = notes;
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}
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// 设置任务的前一个兄弟任务
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public void setPriorSibling(Task priorSibling) {
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this.mPriorSibling = priorSibling;
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}
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// 设置任务所属的任务列表
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public void setParent(TaskList parent) {
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this.mParent = parent;
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}
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// 获取任务是否已完成
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public boolean getCompleted() {
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return this.mCompleted;
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}
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// 获取任务备注
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public String getNotes() {
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return this.mNotes;
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}
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// 获取任务的前一个兄弟任务
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public Task getPriorSibling() {
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return this.mPriorSibling;
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}
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// 获取任务所属的任务列表
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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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}
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