From 50f01db65ff349324416ac4817e1676f87447e73 Mon Sep 17 00:00:00 2001 From: ppek3avux Date: Wed, 20 Dec 2023 23:53:20 +0800 Subject: [PATCH 1/6] ADD file via upload --- MetaData.java | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 MetaData.java diff --git a/MetaData.java b/MetaData.java new file mode 100644 index 0000000..b62b102 --- /dev/null +++ b/MetaData.java @@ -0,0 +1,104 @@ +package net.micode.notes.gtask.data; + +public class MetaData extends Task { + /* + * 功能描述：得到类的简写名称存入字符串TAG中 + * 实现过程：调用getSimpleName ()函数 + */ + private final static String TAG = MetaData.class.getSimpleName(); + private String mRelatedGid = null; + /* + * 功能描述：设置数据，即生成元数据库 + * 实现过程：调用JSONObject库函数put ()，Task类中的setNotes ()和setName ()函数 + * 参数注解： + */ + public void setMeta(String gid, JSONObject metaInfo) + { + //对函数块进行注释 + try { + metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); + /* + * 将这对键值放入metaInfo这个jsonobject对象中 + */ + } catch (JSONException e) { + Log.e(TAG, "failed to put related gid"); + /* + * 输出错误信息 + */ + } + setNotes(metaInfo.toString()); + setName(GTaskStringUtils.META_NOTE_NAME); + } + /* + * 功能描述：获取相关联的Gid + */ + public String getRelatedGid() { + return mRelatedGid; + } + /* + * 功能描述：判断当前数据是否为空，若为空则返回真即值得保存 + * Made By CuiCan + */ + @Override + public boolean isWorthSaving() { + return getNotes() != null; + } + /* + * 功能描述：使用远程json数据对象设置元数据内容 + * 实现过程：调用父类Task中的setContentByRemoteJSON ()函数，并 + * 参数注解： + */ + @Override + public void setContentByRemoteJSON(JSONObject js) { + super.setContentByRemoteJSON(js); + if (getNotes() != null) { + try { + JSONObject metaInfo = new JSONObject(getNotes().trim()); + mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); + } catch (JSONException e) { + Log.w(TAG, "failed to get related gid"); + /* + * 输出警告信息 + */ + mRelatedGid = null; + } + } + } + /* + * 功能描述：使用本地json数据对象设置元数据内容，一般不会用到，若用到，则抛出异常 + * Made By CuiCan + */ + @Override + public void setContentByLocalJSON(JSONObject js) { + // this function should not be called + throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); + /* + * 传递非法参数异常 + */ + } + /* + * 功能描述：从元数据内容中获取本地json对象，一般不会用到，若用到，则抛出异常 + * Made By CuiCan + */ + @Override + public JSONObject getLocalJSONFromContent() { + throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); + /* + * 传递非法参数异常 + * Made By Cui Can + */ + } + /* + * 功能描述：获取同步动作状态，一般不会用到，若用到，则抛出异常 + * Made By CuiCan + */ + @Override + public int getSyncAction(Cursor c) { + throw new IllegalAccessError("MetaData:getSyncAction should not be called"); + /* + * 传递非法参数异常 + * Made By Cui Can + */ + } + +} \ No newline at end of file From 03fcb5daed63e0ffb01701b3d709ea0c1dde5d51 Mon Sep 17 00:00:00 2001 From: ppek3avux Date: Wed, 20 Dec 2023 23:53:32 +0800 Subject: [PATCH 2/6] ADD file via upload --- Node.java | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Node.java diff --git a/Node.java b/Node.java new file mode 100644 index 0000000..669fc93 --- /dev/null +++ b/Node.java @@ -0,0 +1,90 @@ +package net.micode.notes.gtask.data; + +import android.database.Cursor; + +import org.json.JSONObject; + +/** + * 应该是同步操作的基础数据类型，定义了相关指示同步操作的常量 + * 关键字：abstract + */ +public abstract class Node { + //定义了各种用于表征同步状态的常量 + public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容（即本地和云端内容一致） + + public static final int SYNC_ACTION_ADD_REMOTE = 1;// 需要在远程云端增加内容 + + public static final int SYNC_ACTION_ADD_LOCAL = 2;// 需要在本地增加内容 + + public static final int SYNC_ACTION_DEL_REMOTE = 3;// 需要在远程云端删除内容 + + public static final int SYNC_ACTION_DEL_LOCAL = 4;// 需要在本地删除内容 + + public static final int SYNC_ACTION_UPDATE_REMOTE = 5;// 需要将本地内容更新到远程云端 + + public static final int SYNC_ACTION_UPDATE_LOCAL = 6;// 需要将远程云端内容更新到本地 + + public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;// 同步出现冲突 + + public static final int SYNC_ACTION_ERROR = 8;// 同步出现错误 + + private String mGid; + + private String mName; + + private long mLastModified;//记录最后一次修改时间 + + private boolean mDeleted;//表征是否被删除 + + public Node() { + mGid = null; + mName = ""; + mLastModified = 0; + mDeleted = false; + } + + public abstract JSONObject getCreateAction(int actionId); + + public abstract JSONObject getUpdateAction(int actionId); + + public abstract void setContentByRemoteJSON(JSONObject js); + + public abstract void setContentByLocalJSON(JSONObject js); + + public abstract JSONObject getLocalJSONFromContent(); + + public abstract int getSyncAction(Cursor c); + + public void setGid(String gid) { + this.mGid = gid; + } + + public void setName(String name) { + this.mName = name; + } + + public void setLastModified(long lastModified) { + this.mLastModified = lastModified; + } + + public void setDeleted(boolean deleted) { + this.mDeleted = deleted; + } + + public String getGid() { + return this.mGid; + } + + public String getName() { + return this.mName; + } + + public long getLastModified() { + return this.mLastModified; + } + + public boolean getDeleted() { + return this.mDeleted; + } + +} \ No newline at end of file From f78571f96be9dde031492fa9c1457b838b6a5cfc Mon Sep 17 00:00:00 2001 From: ppek3avux Date: Wed, 20 Dec 2023 23:53:39 +0800 Subject: [PATCH 3/6] ADD file via upload --- SqlData.java | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 SqlData.java diff --git a/SqlData.java b/SqlData.java new file mode 100644 index 0000000..e69de29 From d4d0cc7800369d8299e2a3dfa8ffceea35ffa6af Mon Sep 17 00:00:00 2001 From: ppek3avux Date: Wed, 20 Dec 2023 23:53:49 +0800 Subject: [PATCH 4/6] ADD file via upload --- SqlNote.java | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 SqlNote.java diff --git a/SqlNote.java b/SqlNote.java new file mode 100644 index 0000000..e69de29 From b2775a029d3cc92597e9bda5a1b789877fd14273 Mon Sep 17 00:00:00 2001 From: ppek3avux Date: Wed, 20 Dec 2023 23:53:57 +0800 Subject: [PATCH 5/6] ADD file via upload --- Task.java | 323 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) create mode 100644 Task.java diff --git a/Task.java b/Task.java new file mode 100644 index 0000000..bf514d0 --- /dev/null +++ b/Task.java @@ -0,0 +1,323 @@ +package net.micode.notes.gtask.data; + +public class Task extends Node { + private static final String TAG = Task.class.getSimpleName(); + + private boolean mCompleted;//是否完成 + + private String mNotes; + + private JSONObject mMetaInfo;//将在实例中存储数据的类型 + + private Task mPriorSibling;//对应的优先兄弟Task的指针（待完善） + + private TaskList mParent;//所在的任务列表的指针 + + public Task() { + super(); + mCompleted = false; + mNotes = null; + mPriorSibling = null;//TaskList中当前Task前面的Task的指针 + mParent = null;//当前Task所在的TaskList + mMetaInfo = null; + } + + public JSONObject getCreateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + // index + js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this)); + + // entity_delta + 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); + + // parent_id + if (mParent!= null) { + js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); + } + + // dest_parent_type + js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, + GTaskStringUtils.GTASK_JSON_TYPE_GROUP); + + // list_id + if (mParent!= null) { + js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); + } + + // prior_sibling_id + 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("fail to generate task-create jsonobject"); + } + + return js; + } + + public JSONObject getUpdateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + // id + js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); + + // entity_delta + 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("fail to generate task-update jsonobject"); + } + + return js; + } + + public void setContentByRemoteJSON(JSONObject js) { + if (js != null) { + try { + // id + if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { + setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); + } + + // last_modified + if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { + setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); + } + + // name + if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { + setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); + } + + // notes + if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) { + setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES)); + } + + // deleted + if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) { + setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED)); + } + + // completed + 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("fail to get task content from jsonobject"); + } + } + } + + public void setContentByLocalJSON(JSONObject js) { //��metadata����ʵʩ + if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) + || !js.has(GTaskStringUtils.META_HEAD_DATA)) { + Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); + } + + 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, "invalid type"); + 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(); + } + } + + public JSONObject getLocalJSONFromContent() { + String name = getName(); + try { + if (mMetaInfo == null) { + // new task created from web + if (name == null) { + Log.w(TAG, "the note seems to be an empty one"); + 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 { + // synced task + 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; + } + } + + 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; + } + } + } + + 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, "it seems that note meta has been deleted"); + return SYNC_ACTION_UPDATE_REMOTE; + } + + if (!noteInfo.has(NoteColumns.ID)) { + Log.w(TAG, "remote note id seems to be deleted"); + return SYNC_ACTION_UPDATE_LOCAL; + } + + // validate the note id now + if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) { + Log.w(TAG, "note id doesn't match"); + return SYNC_ACTION_UPDATE_LOCAL; + } + + if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { + // there is no local update + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // no update both side + return SYNC_ACTION_NONE; + } else { + // apply remote to local + return SYNC_ACTION_UPDATE_LOCAL; + } + } else { + // validate gtask id + if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { + Log.e(TAG, "gtask id doesn't match"); + return SYNC_ACTION_ERROR; + } + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // local modification only + 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; + } + + 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; + } + +} \ No newline at end of file From d3161127ef315c26c4f1b1b88c4a1e6ec00fb973 Mon Sep 17 00:00:00 2001 From: ppek3avux Date: Wed, 20 Dec 2023 23:54:06 +0800 Subject: [PATCH 6/6] ADD file via upload --- TaskList.java | 390 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 390 insertions(+) create mode 100644 TaskList.java diff --git a/TaskList.java b/TaskList.java new file mode 100644 index 0000000..97b9309 --- /dev/null +++ b/TaskList.java @@ -0,0 +1,390 @@ +package net.micode.notes.gtask.data; + +public class TaskList extends Node { + private static final String TAG = TaskList.class.getSimpleName();//tag标记 + + private int mIndex;//当前TaskList的指针 + + private ArrayList mChildren;//类中主要的保存数据的单元，用来实现一个以Task为元素的ArrayList + + public TaskList() { + super(); + mChildren = new ArrayList(); + mIndex = 1; + } + + /* (non-Javadoc) + * @see net.micode.notes.gtask.data.Node#getCreateAction(int) + * 生成并返回一个包含了一定数据的JSONObject实体 + */ + public JSONObject getCreateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + // index + js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); + + // entity_delta + JSONObject entity = new JSONObject();//entity实体 + 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_GROUP); + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("fail to generate tasklist-create jsonobject"); + } + + return js; + } + + /* (non-Javadoc) + * @see net.micode.notes.gtask.data.Node#getUpdateAction(int) + * 生成并返回一个包含了一定数据的JSONObject实体 + */ + public JSONObject getUpdateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + // id + js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); + + // entity_delta + JSONObject entity = new JSONObject(); + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); + 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("fail to generate tasklist-update jsonobject"); + } + + return js; + } + + public void setContentByRemoteJSON(JSONObject js) { + if (js != null) { + try { + // id + if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { + setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); + } + + // last_modified + if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { + setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); + } + + // name + if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { + setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); + } + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("fail to get tasklist content from jsonobject"); + } + } + } + + public void setContentByLocalJSON(JSONObject js) { + // 判断js是否为空，或者js中是否有GTaskStringUtils.META_HEAD_NOTE + if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) { + Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); + } + + try { + // 获取js中的JSONObject + JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + + // 判断folder的类型是否为folder + if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { + // 获取folder的name + String name = folder.getString(NoteColumns.SNIPPET); + // 设置name + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name); + } else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { + // 判断folder的id是否为Notes.ID_ROOT_FOLDER + if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER) + // 设置name + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT); + // 判断folder的id是否为Notes.ID_CALL_RECORD_FOLDER + else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER) + // 设置name + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + + GTaskStringUtils.FOLDER_CALL_NOTE); + else + Log.e(TAG, "invalid system folder"); + } else { + Log.e(TAG, "error type"); + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + } + + public JSONObject getLocalJSONFromContent() { + try { + // 创建一个JSONObject对象 + JSONObject js = new JSONObject(); + // 创建一个JSONObject对象，用于存放文件夹信息 + JSONObject folder = new JSONObject(); + + // 获取文件夹名 + String folderName = getName(); + // 如果文件夹名以MIUI_FOLDER_PREFFIX开头，则截取文件夹名 + if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)) + folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(), + folderName.length()); + // 将文件夹名放入JSONObject对象中 + folder.put(NoteColumns.SNIPPET, folderName); + // 如果文件夹名是默认文件夹或者电话记录文件夹，则将文件夹类型设置为系统文件夹，否则设置为普通文件夹 + if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT) + || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE)) + folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + else + folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); + + // 将文件夹信息放入JSONObject对象中 + js.put(GTaskStringUtils.META_HEAD_NOTE, folder); + + // 返回JSONObject对象 + return js; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return null; + } + } + + public int getSyncAction(Cursor c) { + try { + if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { + // there is no local update + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // no update both side + return SYNC_ACTION_NONE; + } else { + // apply remote to local + return SYNC_ACTION_UPDATE_LOCAL; + } + } else { + // validate gtask id + if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { + Log.e(TAG, "gtask id doesn't match"); + return SYNC_ACTION_ERROR; + } + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // local modification only + return SYNC_ACTION_UPDATE_REMOTE; + } else { + // for folder conflicts, just apply local modification + return SYNC_ACTION_UPDATE_REMOTE; + } + } + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + + return SYNC_ACTION_ERROR; + } + + /** + * @return + * 功能：获得TaskList的大小，即mChildren的大小 + */ + public int getChildTaskCount() { + return mChildren.size(); + } + + /** + * @param task + * @return 返回值为是否成功添加任务。 + * 功能：在当前任务表末尾添加新的任务。 + */ + public boolean addChildTask(Task task) { + boolean ret = false; + if (task != null && !mChildren.contains(task)) { + ret = mChildren.add(task); + if (ret) { + // need to set prior sibling and parent + task.setPriorSibling(mChildren.isEmpty() ? null : mChildren + .get(mChildren.size() - 1)); + task.setParent(this); + //注意：每一次ArrayList的变化都要紧跟相关Task中PriorSibling的更改 + //，接下来几个函数都有相关操作 + } + } + return ret; + } + + /** + * @param task + * @param index + * @return + * 功能：在当前任务表的指定位置添加新的任务。 + */ + public boolean addChildTask(Task task, int index) { + if (index < 0 || index > mChildren.size()) { + Log.e(TAG, "add child task: invalid index"); + return false; + } + + int pos = mChildren.indexOf(task); + if (task != null && pos == -1) { + mChildren.add(index, task); + + // update the task list + Task preTask = null; + Task afterTask = null; + if (index != 0) + preTask = mChildren.get(index - 1); + if (index != mChildren.size() - 1) + afterTask = mChildren.get(index + 1); + + task.setPriorSibling(preTask); + if (afterTask != null) + afterTask.setPriorSibling(task); + } + + return true; + } + + /** + * @param task + * @return 返回删除是否成功 + * 功能：删除TaskList中的一个Task + */ + public boolean removeChildTask(Task task) { + boolean ret = false; + int index = mChildren.indexOf(task); + if (index != -1) { + ret = mChildren.remove(task); + + if (ret) { + // reset prior sibling and parent + task.setPriorSibling(null); + task.setParent(null); + + // update the task list + if (index != mChildren.size()) { + mChildren.get(index).setPriorSibling( + index == 0 ? null : mChildren.get(index - 1)); + } + } + } + return ret; + } + + /** + * @param task + * @param index + * @return + * 功能：将当前TaskList中含有的某个Task移到index位置 + */ + public boolean moveChildTask(Task task, int index) { + + if (index < 0 || index >= mChildren.size()) { + Log.e(TAG, "move child task: invalid index"); + return false; + } + + int pos = mChildren.indexOf(task); + if (pos == -1) { + Log.e(TAG, "move child task: the task should in the list"); + return false; + } + + if (pos == index) + return true; + return (removeChildTask(task) && addChildTask(task, index)); + //利用已实现好的功能完成当下功能； + } + + /** + * @param gid + * @return返回寻找结果 + * 功能：按gid寻找Task + */ + public Task findChildTaskByGid(String gid) { + for (int i = 0; i < mChildren.size(); i++) { + Task t = mChildren.get(i); + if (t.getGid().equals(gid)) { + return t; + } + } + return null; + } + + /** + * @param task + * @return + * 功能：返回指定Task的index + */ + public int getChildTaskIndex(Task task) { + return mChildren.indexOf(task); + } + + /** + * @param index + * @return + * 功能：返回指定index的Task + */ + public Task getChildTaskByIndex(int index) { + if (index < 0 || index >= mChildren.size()) { + Log.e(TAG, "getTaskByIndex: invalid index"); + return null; + } + return mChildren.get(index); + } + + /** + * @param gid + * @return + * 功能：返回指定gid的Task + */ + public Task getChilTaskByGid(String gid) { + for (Task task : mChildren) {//一种常见的ArrayList的遍历方法（四种，见精读笔记） + if (task.getGid().equals(gid)) + return task; + } + return null; + } + + //获取子任务列表 + public ArrayList getChildTaskList() { + return this.mChildren; + } + + //设置索引 + public void setIndex(int index) { + this.mIndex = index; + } + + //获取索引 + public int getIndex() { + return this.mIndex; + } +} \ No newline at end of file