From 67e5726260b19a9afb804706c53fc7e7b1c50ec1 Mon Sep 17 00:00:00 2001 From: weichunyi <2948523237@qq.com> Date: Mon, 26 May 2025 15:32:49 +0800 Subject: [PATCH] =?UTF-8?q?ui-=E7=AC=94=E8=AE=B0=E9=A1=B9=E6=95=B0?= =?UTF-8?q?=E6=8D=AE=E6=A8=A1=E5=9E=8B=E7=B1=BB?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../src/net/micode/notes/ui/NoteItemData.java | 196 ++++++++++-------- 1 file changed, 114 insertions(+), 82 deletions(-) diff --git a/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java b/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java index 0f5a878..7432890 100644 --- a/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java +++ b/src/Notes-master/src/net/micode/notes/ui/NoteItemData.java @@ -1,17 +1,15 @@ /* * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * 遵循 Apache 许可证 2.0("许可证"); + * 除非遵守许可证,否则不得使用此文件。 + * 您可以在以下地址获取许可证副本: * * http://www.apache.org/licenses/LICENSE-2.0 * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * 除非适用法律要求或书面同意,否则根据许可证分发的软件 + * 按"原样"分发,不附带任何明示或暗示的保证或条件。 + * 请参阅许可证,了解管理权限和限制的具体语言。 */ package net.micode.notes.ui; @@ -26,57 +24,73 @@ import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.tool.DataUtils; +/** + * 笔记项数据模型类 + * 用于封装从数据库查询到的笔记或文件夹数据 + * 提供数据解析、位置判断和属性访问等功能 + */ public class NoteItemData { - static final String [] PROJECTION = new String [] { - NoteColumns.ID, - NoteColumns.ALERTED_DATE, - NoteColumns.BG_COLOR_ID, - NoteColumns.CREATED_DATE, - NoteColumns.HAS_ATTACHMENT, - NoteColumns.MODIFIED_DATE, - NoteColumns.NOTES_COUNT, - NoteColumns.PARENT_ID, - NoteColumns.SNIPPET, - NoteColumns.TYPE, - NoteColumns.WIDGET_ID, - NoteColumns.WIDGET_TYPE, + + // 数据库查询投影(指定要查询的列) + static final String[] PROJECTION = new String[]{ + NoteColumns.ID, // 笔记/文件夹ID + NoteColumns.ALERTED_DATE, // 提醒时间 + NoteColumns.BG_COLOR_ID, // 背景颜色ID + NoteColumns.CREATED_DATE, // 创建时间 + NoteColumns.HAS_ATTACHMENT, // 是否有附件(0/1) + NoteColumns.MODIFIED_DATE, // 修改时间 + NoteColumns.NOTES_COUNT, // 子笔记数量(仅文件夹有效) + NoteColumns.PARENT_ID, // 父文件夹ID + NoteColumns.SNIPPET, // 笔记摘要 + NoteColumns.TYPE, // 类型(笔记/文件夹/系统类型等) + NoteColumns.WIDGET_ID, // 小部件ID + NoteColumns.WIDGET_TYPE, // 小部件类型 }; - private static final int ID_COLUMN = 0; - private static final int ALERTED_DATE_COLUMN = 1; - private static final int BG_COLOR_ID_COLUMN = 2; - private static final int CREATED_DATE_COLUMN = 3; - private static final int HAS_ATTACHMENT_COLUMN = 4; - private static final int MODIFIED_DATE_COLUMN = 5; - private static final int NOTES_COUNT_COLUMN = 6; - private static final int PARENT_ID_COLUMN = 7; - private static final int SNIPPET_COLUMN = 8; - private static final int TYPE_COLUMN = 9; - private static final int WIDGET_ID_COLUMN = 10; - private static final int WIDGET_TYPE_COLUMN = 11; - - private long mId; - private long mAlertDate; - private int mBgColorId; - private long mCreatedDate; - private boolean mHasAttachment; - private long mModifiedDate; - private int mNotesCount; - private long mParentId; - private String mSnippet; - private int mType; - private int mWidgetId; - private int mWidgetType; - private String mName; - private String mPhoneNumber; - - private boolean mIsLastItem; - private boolean mIsFirstItem; - private boolean mIsOnlyOneItem; - private boolean mIsOneNoteFollowingFolder; - private boolean mIsMultiNotesFollowingFolder; - + // 投影列索引常量(提高代码可读性) + private static final int ID_COLUMN = 0; + private static final int ALERTED_DATE_COLUMN = 1; + private static final int BG_COLOR_ID_COLUMN = 2; + private static final int CREATED_DATE_COLUMN = 3; + private static final int HAS_ATTACHMENT_COLUMN = 4; + private static final int MODIFIED_DATE_COLUMN = 5; + private static final int NOTES_COUNT_COLUMN = 6; + private static final int PARENT_ID_COLUMN = 7; + private static final int SNIPPET_COLUMN = 8; + private static final int TYPE_COLUMN = 9; + private static final int WIDGET_ID_COLUMN = 10; + private static final int WIDGET_TYPE_COLUMN = 11; + + // 数据字段(对应数据库列) + private long mId; // 笔记/文件夹ID + private long mAlertDate; // 提醒时间 + private int mBgColorId; // 背景颜色ID + private long mCreatedDate; // 创建时间 + private boolean mHasAttachment; // 是否有附件 + private long mModifiedDate; // 修改时间 + private int mNotesCount; // 子笔记数量 + private long mParentId; // 父文件夹ID + private String mSnippet; // 笔记摘要(去除勾选标记) + private int mType; // 类型(Notes.TYPE_*常量) + private int mWidgetId; // 小部件ID + private int mWidgetType; // 小部件类型(2x或4x) + private String mName; // 联系人姓名(通话记录笔记专用) + private String mPhoneNumber; // 电话号码(通话记录笔记专用) + + // 位置相关标志位(用于界面显示逻辑) + private boolean mIsLastItem; // 是否是列表中的最后一项 + private boolean mIsFirstItem; // 是否是列表中的第一项 + private boolean mIsOnlyOneItem; // 是否是列表中唯一一项 + private boolean mIsOneNoteFollowingFolder;// 是否是文件夹后的单个笔记 + private boolean mIsMultiNotesFollowingFolder;// 是否是文件夹后的多个笔记 + + /** + * 构造函数:从数据库Cursor中解析数据 + * @param context 上下文 + * @param cursor 包含笔记数据的Cursor + */ public NoteItemData(Context context, Cursor cursor) { + // 从Cursor中读取各列数据并初始化字段 mId = cursor.getLong(ID_COLUMN); mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); @@ -86,6 +100,7 @@ public class NoteItemData { mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); mParentId = cursor.getLong(PARENT_ID_COLUMN); mSnippet = cursor.getString(SNIPPET_COLUMN); + // 去除摘要中的勾选标记(适配列表模式) mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace( NoteEditActivity.TAG_UNCHECKED, ""); mType = cursor.getInt(TYPE_COLUMN); @@ -93,12 +108,13 @@ public class NoteItemData { mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); mPhoneNumber = ""; + // 处理通话记录笔记:获取电话号码和联系人姓名 if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); if (!TextUtils.isEmpty(mPhoneNumber)) { - mName = Contact.getContact(context, mPhoneNumber); + mName = Contact.getContact(context, mPhoneNumber); // 从联系人获取姓名 if (mName == null) { - mName = mPhoneNumber; + mName = mPhoneNumber; // 无姓名时使用电话号码 } } } @@ -106,27 +122,35 @@ public class NoteItemData { if (mName == null) { mName = ""; } - checkPostion(cursor); + checkPostion(cursor); // 检查当前项在列表中的位置状态 } + /** + * 检查当前项在Cursor中的位置状态(是否是第一个/最后一个/唯一项等) + * @param cursor 数据Cursor + */ private void checkPostion(Cursor cursor) { mIsLastItem = cursor.isLast() ? true : false; mIsFirstItem = cursor.isFirst() ? true : false; - mIsOnlyOneItem = (cursor.getCount() == 1); + mIsOnlyOneItem = (cursor.getCount() == 1); // 是否仅有一条数据 mIsMultiNotesFollowingFolder = false; mIsOneNoteFollowingFolder = false; + // 处理笔记类型且非首项的情况:判断是否跟随在文件夹之后 if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { int position = cursor.getPosition(); - if (cursor.moveToPrevious()) { + if (cursor.moveToPrevious()) { // 移动到前一项 + // 前一项是文件夹或系统类型 if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { + // 判断后续是否有多个笔记 if (cursor.getCount() > (position + 1)) { mIsMultiNotesFollowingFolder = true; } else { mIsOneNoteFollowingFolder = true; } } + // 恢复Cursor位置 if (!cursor.moveToNext()) { throw new IllegalStateException("cursor move to previous but can't move back"); } @@ -134,91 +158,99 @@ public class NoteItemData { } } + // 以下为各数据字段的访问方法(getter)和状态判断方法 + public boolean isOneFollowingFolder() { - return mIsOneNoteFollowingFolder; + return mIsOneNoteFollowingFolder; // 是否是文件夹后的单个笔记 } public boolean isMultiFollowingFolder() { - return mIsMultiNotesFollowingFolder; + return mIsMultiNotesFollowingFolder; // 是否是文件夹后的多个笔记 } public boolean isLast() { - return mIsLastItem; + return mIsLastItem; // 是否是列表最后一项 } public String getCallName() { - return mName; + return mName; // 获取通话记录的联系人姓名 } public boolean isFirst() { - return mIsFirstItem; + return mIsFirstItem; // 是否是列表首项 } public boolean isSingle() { - return mIsOnlyOneItem; + return mIsOnlyOneItem; // 是否是列表唯一项 } public long getId() { - return mId; + return mId; // 获取ID } public long getAlertDate() { - return mAlertDate; + return mAlertDate; // 获取提醒时间 } public long getCreatedDate() { - return mCreatedDate; + return mCreatedDate; // 获取创建时间 } public boolean hasAttachment() { - return mHasAttachment; + return mHasAttachment; // 是否有附件 } public long getModifiedDate() { - return mModifiedDate; + return mModifiedDate; // 获取修改时间 } public int getBgColorId() { - return mBgColorId; + return mBgColorId; // 获取背景颜色ID } public long getParentId() { - return mParentId; + return mParentId; // 获取父文件夹ID } public int getNotesCount() { - return mNotesCount; + return mNotesCount; // 获取子笔记数量(文件夹专用) } - public long getFolderId () { - return mParentId; + public long getFolderId() { + return mParentId; // 获取文件夹ID(与父ID一致) } public int getType() { - return mType; + return mType; // 获取类型(笔记/文件夹等) } public int getWidgetType() { - return mWidgetType; + return mWidgetType; // 获取小部件类型 } public int getWidgetId() { - return mWidgetId; + return mWidgetId; // 获取小部件ID } public String getSnippet() { - return mSnippet; + return mSnippet; // 获取笔记摘要 } public boolean hasAlert() { - return (mAlertDate > 0); + return (mAlertDate > 0); // 是否设置了提醒 } public boolean isCallRecord() { + // 是否是通话记录笔记(父文件夹为通话记录文件夹且有电话号码) return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); } + /** + * 静态方法:从Cursor中获取类型字段值 + * @param cursor 数据Cursor + * @return 类型值(Notes.TYPE_*常量) + */ public static int getNoteType(Cursor cursor) { return cursor.getInt(TYPE_COLUMN); } -} +} \ No newline at end of file