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@ -29,35 +29,40 @@ import org.json.JSONObject;
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import java.util.ArrayList;
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// TaskList类继承自Node类,用于管理任务列表及其子任务
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public class TaskList 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 = TaskList.class.getSimpleName();
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// 任务列表的索引
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private int mIndex;
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// 子任务列表
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private ArrayList<Task> mChildren;
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// 构造方法,初始化任务列表
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public TaskList() {
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super();
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mChildren = new ArrayList<Task>();
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mIndex = 1;
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}
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// 生成创建任务列表的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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// 设置任务列表的索引
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js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
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// entity_delta
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// 设置任务列表的基本信息
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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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@ -74,21 +79,22 @@ public class TaskList extends Node {
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return js;
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}
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// 生成更新任务列表的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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// 设置任务列表ID
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js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
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// entity_delta
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// 设置任务列表的更新信息
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JSONObject entity = new JSONObject();
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entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
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entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
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@ -103,20 +109,21 @@ public class TaskList extends Node {
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return js;
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}
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// 从远程JSON对象中设置任务列表内容
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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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// 设置任务列表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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// 设置任务列表名称
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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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@ -129,14 +136,17 @@ public class TaskList extends Node {
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}
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}
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// 从本地JSON对象中设置任务列表内容
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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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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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// 获取任务列表的元数据
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JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
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// 根据任务列表类型设置名称
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if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
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String name = folder.getString(NoteColumns.SNIPPET);
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setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name);
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@ -157,11 +167,13 @@ public class TaskList extends Node {
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}
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}
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// 从任务列表内容生成本地JSON对象
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public JSONObject getLocalJSONFromContent() {
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try {
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JSONObject js = new JSONObject();
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JSONObject folder = new JSONObject();
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// 获取任务列表名称
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String folderName = getName();
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if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX))
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folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(),
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@ -183,28 +195,29 @@ public class TaskList 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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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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// for folder conflicts, just apply local modification
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// 对于文件夹冲突,仅应用本地修改
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return SYNC_ACTION_UPDATE_REMOTE;
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}
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}
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@ -216,16 +229,18 @@ public class TaskList extends Node {
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return SYNC_ACTION_ERROR;
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}
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// 获取子任务数量
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public int getChildTaskCount() {
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return mChildren.size();
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}
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// 添加子任务到任务列表
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public boolean addChildTask(Task task) {
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boolean ret = false;
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if (task != null && !mChildren.contains(task)) {
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ret = mChildren.add(task);
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if (ret) {
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// need to set prior sibling and parent
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// 设置子任务的前一个兄弟任务和父任务列表
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task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
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.get(mChildren.size() - 1));
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task.setParent(this);
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@ -234,6 +249,7 @@ public class TaskList extends Node {
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return ret;
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}
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// 在指定位置添加子任务
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public boolean addChildTask(Task task, int index) {
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if (index < 0 || index > mChildren.size()) {
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Log.e(TAG, "add child task: invalid index");
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@ -244,7 +260,7 @@ public class TaskList extends Node {
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if (task != null && pos == -1) {
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mChildren.add(index, task);
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// update the task list
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// 更新子任务列表
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Task preTask = null;
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Task afterTask = null;
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if (index != 0)
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@ -260,6 +276,7 @@ public class TaskList extends Node {
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return true;
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}
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// 从任务列表中移除子任务
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public boolean removeChildTask(Task task) {
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boolean ret = false;
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int index = mChildren.indexOf(task);
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@ -267,11 +284,11 @@ public class TaskList extends Node {
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ret = mChildren.remove(task);
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if (ret) {
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// reset prior sibling and parent
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// 重置子任务的前一个兄弟任务和父任务列表
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task.setPriorSibling(null);
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task.setParent(null);
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// update the task list
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// 更新子任务列表
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if (index != mChildren.size()) {
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mChildren.get(index).setPriorSibling(
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index == 0 ? null : mChildren.get(index - 1));
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@ -281,6 +298,7 @@ public class TaskList extends Node {
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return ret;
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}
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// 移动子任务到指定位置
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public boolean moveChildTask(Task task, int index) {
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if (index < 0 || index >= mChildren.size()) {
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@ -299,6 +317,7 @@ public class TaskList extends Node {
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return (removeChildTask(task) && addChildTask(task, index));
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}
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// 根据GID查找子任务
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public Task findChildTaskByGid(String gid) {
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for (int i = 0; i < mChildren.size(); i++) {
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Task t = mChildren.get(i);
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@ -309,10 +328,12 @@ public class TaskList extends Node {
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return null;
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}
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// 获取子任务在列表中的索引
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public int getChildTaskIndex(Task task) {
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return mChildren.indexOf(task);
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}
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// 根据索引获取子任务
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public Task getChildTaskByIndex(int index) {
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if (index < 0 || index >= mChildren.size()) {
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Log.e(TAG, "getTaskByIndex: invalid index");
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@ -321,6 +342,7 @@ public class TaskList extends Node {
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return mChildren.get(index);
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}
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// 根据GID获取子任务
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public Task getChilTaskByGid(String gid) {
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for (Task task : mChildren) {
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if (task.getGid().equals(gid))
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@ -329,15 +351,18 @@ public class TaskList extends Node {
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return null;
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}
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// 获取子任务列表
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public ArrayList<Task> getChildTaskList() {
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return this.mChildren;
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}
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// 设置任务列表的索引
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public void setIndex(int index) {
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this.mIndex = index;
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}
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// 获取任务列表的索引
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public int getIndex() {
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return this.mIndex;
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}
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}
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}
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