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添加注释 #2

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pgxof73jh merged 2 commits from luchan into main 2 months ago
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2 changed files with 222 additions and 20 deletions
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141
src/Notes-master/app/src/main/java/net/micode/notes/tool/DataUtils.java
Unescape View File

@ -34,9 +34,22 @@ import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import java.util.ArrayList;
import java.util.HashSet;
/**
* 数据操作工具类
* 提供对笔记数据的各种操作方法，包括批量删除、移动笔记、查询数据等功能
* 所有方法均为静态方法，可直接调用
*/
public class DataUtils {
public static final String TAG = "DataUtils";
/**
* 批量删除笔记
* 使用ContentProvider的批量操作功能高效删除多个笔记
*
* @param resolver 内容解析器
* @param ids 要删除的笔记ID集合
* @return 删除操作是否成功
*/
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
if (ids == null) {
Log.d(TAG, "the ids is null");
@ -49,15 +62,18 @@ public class DataUtils {
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
// 避免删除系统根文件夹
if(id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
}
// 构建删除操作
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
operationList.add(builder.build());
}
try {
// 执行批量操作
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
@ -72,14 +88,33 @@ public class DataUtils {
return false;
}
/**
* 将单个笔记移动到指定文件夹
*
* @param resolver 内容解析器
* @param id 要移动的笔记ID
* @param srcFolderId 原文件夹ID
* @param desFolderId 目标文件夹ID
*/
public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
ContentValues values = new ContentValues();
// 更新父文件夹ID和原始父文件夹ID
values.put(NoteColumns.PARENT_ID, desFolderId);
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
// 标记为本地修改，以便同步
values.put(NoteColumns.LOCAL_MODIFIED, 1);
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
}
/**
* 批量将笔记移动到指定文件夹
* 使用ContentProvider的批量操作功能高效移动多个笔记
*
* @param resolver 内容解析器
* @param ids 要移动的笔记ID集合
* @param folderId 目标文件夹ID
* @return 移动操作是否成功
*/
public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
long folderId) {
if (ids == null) {
@ -89,6 +124,7 @@ public class DataUtils {
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
// 构建更新操作
ContentProviderOperation.Builder builder = ContentProviderOperation
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
builder.withValue(NoteColumns.PARENT_ID, folderId);
@ -97,9 +133,10 @@ public class DataUtils {
}
try {
// 执行批量操作
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
Log.d(TAG, "move notes failed, ids:" + ids.toString());
return false;
}
return true;
@ -112,18 +149,22 @@ public class DataUtils {
}
/**
* Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}}
* 获取用户创建的文件夹数量（不包括系统文件夹）
*
* @param resolver 内容解析器
* @return 用户文件夹数量
*/
public static int getUserFolderCount(ContentResolver resolver) {
Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI,
// 查询类型为文件夹且不是垃圾桶的记录数量
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String[] { "COUNT(*)" },
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER) },
null);
int count = 0;
if(cursor != null) {
if(cursor.moveToFirst()) {
if (cursor != null) {
if (cursor.moveToFirst()) {
try {
count = cursor.getInt(0);
} catch (IndexOutOfBoundsException e) {
@ -136,11 +177,19 @@ public class DataUtils {
return count;
}
/**
* 检查笔记在数据库中是否可见（非垃圾桶中的指定类型笔记）
*
* @param resolver 内容解析器
* @param noteId 笔记ID
* @param type 笔记类型
* @return 是否可见
*/
public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String [] {String.valueOf(type)},
new String[] { String.valueOf(type) },
null);
boolean exist = false;
@ -153,6 +202,13 @@ public class DataUtils {
return exist;
}
/**
* 检查笔记是否存在于数据库中
*
* @param resolver 内容解析器
* @param noteId 笔记ID
* @return 是否存在
*/
public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null, null, null, null);
@ -167,6 +223,13 @@ public class DataUtils {
return exist;
}
/**
* 检查数据项是否存在于数据库中
*
* @param resolver 内容解析器
* @param dataId 数据项ID
* @return 是否存在
*/
public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
null, null, null, null);
@ -181,6 +244,13 @@ public class DataUtils {
return exist;
}
/**
* 检查文件夹名称是否已存在（非垃圾桶中的文件夹）
*
* @param resolver 内容解析器
* @param name 文件夹名称
* @return 是否存在同名文件夹
*/
public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
@ -188,8 +258,8 @@ public class DataUtils {
" AND " + NoteColumns.SNIPPET + "=?",
new String[] { name }, null);
boolean exist = false;
if(cursor != null) {
if(cursor.getCount() > 0) {
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
@ -197,6 +267,13 @@ public class DataUtils {
return exist;
}
/**
* 获取文件夹关联的小部件属性
*
* @param resolver 内容解析器
* @param folderId 文件夹ID
* @return 小部件属性集合
*/
public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
@ -224,11 +301,18 @@ public class DataUtils {
return set;
}
/**
* 根据笔记ID获取关联的电话号码
*
* @param resolver 内容解析器
* @param noteId 笔记ID
* @return 电话号码，不存在则返回空字符串
*/
public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String [] { CallNote.PHONE_NUMBER },
new String[] { CallNote.PHONE_NUMBER },
CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },
new String[] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },
null);
if (cursor != null && cursor.moveToFirst()) {
@ -243,12 +327,20 @@ public class DataUtils {
return "";
}
/**
* 根据电话号码和通话时间获取关联的笔记ID
*
* @param resolver 内容解析器
* @param phoneNumber 电话号码
* @param callDate 通话时间
* @return 笔记ID，不存在则返回0
*/
public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String [] { CallNote.NOTE_ID },
new String[] { CallNote.NOTE_ID },
CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
+ CallNote.PHONE_NUMBER + ",?)",
new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
new String[] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
null);
if (cursor != null) {
@ -264,11 +356,19 @@ public class DataUtils {
return 0;
}
/**
* 根据笔记ID获取笔记摘要
*
* @param resolver 内容解析器
* @param noteId 笔记ID
* @return 笔记摘要
* @throws IllegalArgumentException 当笔记不存在时抛出
*/
public static String getSnippetById(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String [] { NoteColumns.SNIPPET },
new String[] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)},
new String[] { String.valueOf(noteId) },
null);
if (cursor != null) {
@ -282,6 +382,13 @@ public class DataUtils {
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
/**
* 格式化笔记摘要
* 去除前后空格，并截断第一个换行符之前的内容
*
* @param snippet 原始摘要
* @return 格式化后的摘要
*/
public static String getFormattedSnippet(String snippet) {
if (snippet != null) {
snippet = snippet.trim();
@ -292,4 +399,4 @@ public class DataUtils {
}
return snippet;
}
}
}

101
src/Notes-master/app/src/main/java/net/micode/notes/tool/ResourceParser.java
Unescape View File

@ -22,24 +22,38 @@ import android.preference.PreferenceManager;
import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity;
/**
* 资源解析工具类，负责管理和提供笔记应用中的各种资源ID
* 包括背景颜色、文本大小、不同界面元素的背景资源等
* 采用单例模式设计，通过静态方法提供全局访问
*/
public class ResourceParser {
// 定义笔记背景颜色常量
public static final int YELLOW = 0;
public static final int BLUE = 1;
public static final int WHITE = 2;
public static final int GREEN = 3;
public static final int RED = 4;
// 默认背景颜色为黄色
public static final int BG_DEFAULT_COLOR = YELLOW;
// 定义文本大小常量
public static final int TEXT_SMALL = 0;
public static final int TEXT_MEDIUM = 1;
public static final int TEXT_LARGE = 2;
public static final int TEXT_SUPER = 3;
// 默认文本大小为中等
public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
/**
* 笔记编辑界面背景资源管理类
* 提供获取不同颜色背景资源ID的方法
*/
public static class NoteBgResources {
// 编辑界面主体背景资源数组，按颜色索引
private final static int [] BG_EDIT_RESOURCES = new int [] {
R.drawable.edit_yellow,
R.drawable.edit_blue,
@ -48,6 +62,7 @@ public class ResourceParser {
R.drawable.edit_red
};
// 编辑界面标题背景资源数组，按颜色索引
private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
R.drawable.edit_title_yellow,
R.drawable.edit_title_blue,
@ -56,25 +71,48 @@ public class ResourceParser {
R.drawable.edit_title_red
};
/**
* 根据颜色ID获取编辑界面主体背景资源ID
* @param id 颜色ID，对应ResourceParser中定义的颜色常量
* @return 对应的背景资源ID
*/
public static int getNoteBgResource(int id) {
return BG_EDIT_RESOURCES[id];
}
/**
* 根据颜色ID获取编辑界面标题背景资源ID
* @param id 颜色ID，对应ResourceParser中定义的颜色常量
* @return 对应的标题背景资源ID
*/
public static int getNoteTitleBgResource(int id) {
return BG_EDIT_TITLE_RESOURCES[id];
}
}
/**
* 获取默认背景颜色ID
* 根据用户偏好设置决定返回随机颜色还是默认黄色
* @param context 应用上下文
* @return 背景颜色ID
*/
public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
// 如果用户开启了随机背景选项，返回随机颜色ID
return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
} else {
// 默认返回黄色背景
return BG_DEFAULT_COLOR;
}
}
/**
* 笔记列表项背景资源管理类
* 提供获取列表中不同位置笔记项背景资源ID的方法
*/
public static class NoteItemBgResources {
// 列表中第一项的背景资源数组，按颜色索引
private final static int [] BG_FIRST_RESOURCES = new int [] {
R.drawable.list_yellow_up,
R.drawable.list_blue_up,
@ -83,6 +121,7 @@ public class ResourceParser {
R.drawable.list_red_up
};
// 列表中中间项的背景资源数组，按颜色索引
private final static int [] BG_NORMAL_RESOURCES = new int [] {
R.drawable.list_yellow_middle,
R.drawable.list_blue_middle,
@ -91,6 +130,7 @@ public class ResourceParser {
R.drawable.list_red_middle
};
// 列表中最后一项的背景资源数组，按颜色索引
private final static int [] BG_LAST_RESOURCES = new int [] {
R.drawable.list_yellow_down,
R.drawable.list_blue_down,
@ -99,6 +139,7 @@ public class ResourceParser {
R.drawable.list_red_down,
};
// 列表中只有一项时的背景资源数组，按颜色索引
private final static int [] BG_SINGLE_RESOURCES = new int [] {
R.drawable.list_yellow_single,
R.drawable.list_blue_single,
@ -107,28 +148,57 @@ public class ResourceParser {
R.drawable.list_red_single
};
/**
* 获取列表中第一项的背景资源ID
* @param id 颜色ID
* @return 对应的背景资源ID
*/
public static int getNoteBgFirstRes(int id) {
return BG_FIRST_RESOURCES[id];
}
/**
* 获取列表中最后一项的背景资源ID
* @param id 颜色ID
* @return 对应的背景资源ID
*/
public static int getNoteBgLastRes(int id) {
return BG_LAST_RESOURCES[id];
}
/**
* 获取列表中只有一项时的背景资源ID
* @param id 颜色ID
* @return 对应的背景资源ID
*/
public static int getNoteBgSingleRes(int id) {
return BG_SINGLE_RESOURCES[id];
}
/**
* 获取列表中中间项的背景资源ID
* @param id 颜色ID
* @return 对应的背景资源ID
*/
public static int getNoteBgNormalRes(int id) {
return BG_NORMAL_RESOURCES[id];
}
/**
* 获取文件夹项的背景资源ID
* @return 文件夹背景资源ID
*/
public static int getFolderBgRes() {
return R.drawable.list_folder;
}
}
/**
* 桌面小部件背景资源管理类
* 提供获取不同尺寸小部件背景资源ID的方法
*/
public static class WidgetBgResources {
// 2x尺寸小部件的背景资源数组，按颜色索引
private final static int [] BG_2X_RESOURCES = new int [] {
R.drawable.widget_2x_yellow,
R.drawable.widget_2x_blue,
@ -137,10 +207,16 @@ public class ResourceParser {
R.drawable.widget_2x_red,
};
/**
* 获取2x尺寸小部件的背景资源ID
* @param id 颜色ID
* @return 对应的背景资源ID
*/
public static int getWidget2xBgResource(int id) {
return BG_2X_RESOURCES[id];
}
// 4x尺寸小部件的背景资源数组，按颜色索引
private final static int [] BG_4X_RESOURCES = new int [] {
R.drawable.widget_4x_yellow,
R.drawable.widget_4x_blue,
@ -149,12 +225,22 @@ public class ResourceParser {
R.drawable.widget_4x_red
};
/**
* 获取4x尺寸小部件的背景资源ID
* @param id 颜色ID
* @return 对应的背景资源ID
*/
public static int getWidget4xBgResource(int id) {
return BG_4X_RESOURCES[id];
}
}
/**
* 文本外观资源管理类
* 提供获取不同文本大小样式资源ID的方法
*/
public static class TextAppearanceResources {
// 文本外观样式资源数组，按大小索引
private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
R.style.TextAppearanceNormal,
R.style.TextAppearanceMedium,
@ -162,11 +248,16 @@ public class ResourceParser {
R.style.TextAppearanceSuper
};
/**
* 根据ID获取文本外观样式资源ID
* 包含对无效ID的防御性编程处理
* @param id 文本大小ID，对应ResourceParser中定义的文本大小常量
* @return 对应的文本外观样式资源ID
*/
public static int getTexAppearanceResource(int id) {
/**
* HACKME: Fix bug of store the resource id in shared preference.
* The id may larger than the length of resources, in this case,
* return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
* HACKME: 修复在共享偏好中存储资源ID可能导致的问题
* 如果ID大于资源数组长度，返回默认字体大小对应的资源ID
*/
if (id >= TEXTAPPEARANCE_RESOURCES.length) {
return BG_DEFAULT_FONT_SIZE;
@ -174,6 +265,10 @@ public class ResourceParser {
return TEXTAPPEARANCE_RESOURCES[id];
}
/**
* 获取文本外观资源数组的长度
* @return 资源数组长度
*/
public static int getResourcesSize() {
return TEXTAPPEARANCE_RESOURCES.length;
}

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