From fcba4a819ec8b23500d759a2d06f34d249ee8253 Mon Sep 17 00:00:00 2001 From: STRIV1 <1633897211@qq.com> Date: Tue, 16 Jan 2024 21:10:06 +0800 Subject: [PATCH] 1 --- src/net/micode/notes/tool/DataUtils.java | 93 +++++++++++++++---- src/net/micode/notes/tool/ResourceParser.java | 4 + 2 files changed, 77 insertions(+), 20 deletions(-) diff --git a/src/net/micode/notes/tool/DataUtils.java b/src/net/micode/notes/tool/DataUtils.java index 2a14982..052fcb9 100644 --- a/src/net/micode/notes/tool/DataUtils.java +++ b/src/net/micode/notes/tool/DataUtils.java @@ -37,39 +37,49 @@ import java.util.HashSet; public class DataUtils { public static final String TAG = "DataUtils"; + + // 批量删除笔记的静态方法 public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) { + // 检查传入的笔记ID集合是否为空 if (ids == null) { Log.d(TAG, "the ids is null"); - return true; + return true;// 如果为空,返回删除成功 } + // 检查传入的笔记ID集合是否为空 if (ids.size() == 0) { Log.d(TAG, "no id is in the hashset"); - return true; + return true;// 如果为空,返回删除成功 } - + // 创建一个操作列表,用于存储批量操作的删除操作 ArrayList operationList = new ArrayList(); + // 遍历传入的笔记ID集合,为每个ID创建一个删除操作,并添加到操作列表中 for (long id : ids) { + // 检查是否为系统文件夹的ID,如果是,跳过不删除 if(id == Notes.ID_ROOT_FOLDER) { Log.e(TAG, "Don't delete system folder root"); continue; } + // 创建删除操作的构建器 ContentProviderOperation.Builder builder = ContentProviderOperation .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); + // 将删除操作添加到操作列表中 operationList.add(builder.build()); } try { + // 应用批量操作,删除笔记 ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + // 检查批量操作结果是否为空或第一个结果是否为空 if (results == null || results.length == 0 || results[0] == null) { Log.d(TAG, "delete notes failed, ids:" + ids.toString()); - return false; + return false;// 如果为空,返回删除失败 } - return true; + return true;// 返回删除成功 } catch (RemoteException e) { Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); } catch (OperationApplicationException e) { Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); } - return false; + return false;// 返回删除失败 } public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) { @@ -82,27 +92,34 @@ public class DataUtils { public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, long folderId) { + // 检查传入的笔记ID集合是否为空 if (ids == null) { Log.d(TAG, "the ids is null"); - return true; + return true;// 如果为空,返回移动成功 } - + // 创建一个操作列表,用于存储批量操作的更新操作 ArrayList operationList = new ArrayList(); + // 遍历传入的笔记ID集合,为每个ID创建一个更新操作,并设置新的父文件夹ID和本地修改标志 for (long id : ids) { + // 创建更新操作的构建器 ContentProviderOperation.Builder builder = ContentProviderOperation .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); + // 设置更新操作的值,包括新的父文件夹ID和本地修改标志 builder.withValue(NoteColumns.PARENT_ID, folderId); builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); + // 将更新操作添加到操作列表中 operationList.add(builder.build()); } try { + // 应用批量操作,更新笔记的父文件夹ID和本地修改标志 ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + // 检查批量操作结果是否为空或第一个结果是否为空 if (results == null || results.length == 0 || results[0] == null) { Log.d(TAG, "delete notes failed, ids:" + ids.toString()); - return false; + return false;// 如果为空,返回移动失败 } - return true; + return true;// 返回移动成功 } catch (RemoteException e) { Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); } catch (OperationApplicationException e) { @@ -115,89 +132,108 @@ public class DataUtils { * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}} */ public static int getUserFolderCount(ContentResolver resolver) { + // 查询用户文件夹的数量 Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI, new String[] { "COUNT(*)" }, + // 查询条件:类型为文件夹且父文件夹ID不是回收站文件夹ID NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?", new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)}, null); int count = 0; if(cursor != null) { + // 如果查询结果非空,移动到第一行 if(cursor.moveToFirst()) { try { + // 获取查询结果中的文件夹数量 count = cursor.getInt(0); } catch (IndexOutOfBoundsException e) { + // 捕获异常,输出错误日志 Log.e(TAG, "get folder count failed:" + e.toString()); } finally { + // 关闭游标 cursor.close(); } } } - return count; + return count;// 返回文件夹数量 } public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) { + // 查询指定笔记ID的可见性 Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null, + // 查询条件:类型为指定类型且父文件夹ID不是回收站文件夹ID NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER, new String [] {String.valueOf(type)}, null); boolean exist = false; if (cursor != null) { + // 如果查询结果非空,检查结果数量是否大于0,表示存在 if (cursor.getCount() > 0) { exist = true; } + // 关闭游标 cursor.close(); } - return exist; + return exist;// 返回是否存在 } public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) { + // 查询指定笔记ID是否存在于笔记数据库中 Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null, null, null, null); boolean exist = false; if (cursor != null) { + // 如果查询结果非空,检查结果数量是否大于0,表示存在 if (cursor.getCount() > 0) { exist = true; } + // 关闭游标 cursor.close(); } - return exist; + return exist;// 返回是否存在 } public static boolean existInDataDatabase(ContentResolver resolver, long dataId) { + // 查询指定数据ID是否存在于数据数据库中 Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null, null, null, null); boolean exist = false; if (cursor != null) { + // 如果查询结果非空,检查结果数量是否大于0,表示存在 if (cursor.getCount() > 0) { exist = true; } cursor.close(); } - return exist; + return exist;// 返回是否存在 } public static boolean checkVisibleFolderName(ContentResolver resolver, String name) { + // 查询是否存在具有指定名称的可见文件夹 Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null, + // 查询条件:类型为文件夹、父文件夹ID不是回收站文件夹ID、且摘要等于指定名称 NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + " AND " + NoteColumns.SNIPPET + "=?", new String[] { name }, null); boolean exist = false; if(cursor != null) { + // 如果查询结果非空,检查结果数量是否大于0,表示存在 if(cursor.getCount() > 0) { exist = true; } cursor.close(); } - return exist; + return exist; // 返回是否存在 } public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) { + // 查询指定文件夹ID下的笔记小部件信息 Cursor c = resolver.query(Notes.CONTENT_NOTE_URI, new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE }, NoteColumns.PARENT_ID + "=?", @@ -206,25 +242,30 @@ public class DataUtils { HashSet set = null; if (c != null) { + // 如果查询结果非空,移动到第一行 if (c.moveToFirst()) { set = new HashSet(); do { try { + // 创建 AppWidgetAttribute 对象,获取小部件ID和小部件类型,添加到集合中 AppWidgetAttribute widget = new AppWidgetAttribute(); widget.widgetId = c.getInt(0); widget.widgetType = c.getInt(1); set.add(widget); } catch (IndexOutOfBoundsException e) { + // 捕获异常,输出错误日志 Log.e(TAG, e.toString()); } } while (c.moveToNext()); } c.close(); } - return set; + return set;// 返回包含小部件信息的集合 + } public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) { + // 查询指定笔记ID对应的通话笔记的电话号码 Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, new String [] { CallNote.PHONE_NUMBER }, CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?", @@ -233,17 +274,20 @@ public class DataUtils { if (cursor != null && cursor.moveToFirst()) { try { + // 获取查询结果中的电话号码 return cursor.getString(0); } catch (IndexOutOfBoundsException e) { + // 捕获异常,输出错误日志 Log.e(TAG, "Get call number fails " + e.toString()); } finally { cursor.close(); } } - return ""; + return "";// 如果查询结果为空,返回空字符串 } public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) { + // 查询指定电话号码和通话日期对应的通话笔记的笔记ID Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, new String [] { CallNote.NOTE_ID }, CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL(" @@ -252,19 +296,24 @@ public class DataUtils { null); if (cursor != null) { + // 如果查询结果非空,移动到第一行 if (cursor.moveToFirst()) { try { + // 获取查询结果中的笔记ID return cursor.getLong(0); } catch (IndexOutOfBoundsException e) { + // 捕获异常,输出错误日志 Log.e(TAG, "Get call note id fails " + e.toString()); } } cursor.close(); } - return 0; + return 0; // 如果查询结果为空,返回0 + } public static String getSnippetById(ContentResolver resolver, long noteId) { + // 查询指定笔记ID的摘要信息 Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, new String [] { NoteColumns.SNIPPET }, NoteColumns.ID + "=?", @@ -272,17 +321,20 @@ public class DataUtils { null); if (cursor != null) { + // 如果查询结果非空,移动到第一行 String snippet = ""; if (cursor.moveToFirst()) { + // 获取查询结果中的摘要信息 snippet = cursor.getString(0); } cursor.close(); - return snippet; + return snippet;// 返回摘要信息 } throw new IllegalArgumentException("Note is not found with id: " + noteId); } public static String getFormattedSnippet(String snippet) { + // 格式化摘要信息:去除首尾空格,并截取首个换行符之前的内容 if (snippet != null) { snippet = snippet.trim(); int index = snippet.indexOf('\n'); @@ -290,6 +342,7 @@ public class DataUtils { snippet = snippet.substring(0, index); } } - return snippet; + return snippet;// 返回格式化后的摘要信息 + } } diff --git a/src/net/micode/notes/tool/ResourceParser.java b/src/net/micode/notes/tool/ResourceParser.java index 1ad3ad6..a6cc390 100644 --- a/src/net/micode/notes/tool/ResourceParser.java +++ b/src/net/micode/notes/tool/ResourceParser.java @@ -66,15 +66,19 @@ public class ResourceParser { } public static int getDefaultBgId(Context context) { + // 获取默认背景ID if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean( NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) { + // 如果用户已设置背景颜色,则返回随机选择的编辑界面背景资源ID return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length); } else { + // 如果用户未设置背景颜色,则返回默认颜色的背景资源ID return BG_DEFAULT_COLOR; } } public static class NoteItemBgResources { + // 定义笔记列表项背景资源数组 private final static int [] BG_FIRST_RESOURCES = new int [] { R.drawable.list_yellow_up, R.drawable.list_blue_up,