package net.micode.notes.ui; import android.content.Context; import android.database.Cursor; import android.text.TextUtils; import net.micode.notes.data.Contact; import net.micode.notes.data.Notes; import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.tool.DataUtils; 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, }; //常量标记和数据就不一一标记了,意义翻译基本就知道 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; //初始化NoteItemData,主要利用光标cursor获取的东西 public NoteItemData(Context context, Cursor cursor) { //getxxx为转换格式 mId = cursor.getLong(ID_COLUMN); mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN); mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false; mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); mParentId = cursor.getLong(PARENT_ID_COLUMN); mSnippet = cursor.getString(SNIPPET_COLUMN); mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace( NoteEditActivity.TAG_UNCHECKED, ""); mType = cursor.getInt(TYPE_COLUMN); mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); //初始化电话号码的信息 mPhoneNumber = ""; if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串,则用contart功能连接 mName = Contact.getContact(context, mPhoneNumber); if (mName == null) { mName = mPhoneNumber; } } } if (mName == null) { mName = ""; } checkPostion(cursor); } ///根据鼠标的位置设置标记,和位置 private void checkPostion(Cursor cursor) { //初始化几个标记,cursor具体功能笔记中已提到,不一一叙述 mIsLastItem = cursor.isLast() ? true : false; mIsFirstItem = cursor.isFirst() ? true : false; mIsOnlyOneItem = (cursor.getCount() == 1); //初始化“多重子文件”“单一子文件”2个标记 mIsMultiNotesFollowingFolder = false; mIsOneNoteFollowingFolder = false; //主要是设置上诉2标记 if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若是note格式并且不是第一个元素 int position = cursor.getPosition(); if (cursor.moveToPrevious()) {//获取光标位置后看上一行 if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式 if (cursor.getCount() > (position + 1)) { mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确 } else { mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true } } if (!cursor.moveToNext()) {//若不能再往下走则报错 throw new IllegalStateException("cursor move to previous but can't move back"); } } } } ///以下都是获取标记没什么好说的,不过倒数第二个需要说明下,很具体看下面 public boolean isOneFollowingFolder() { return mIsOneNoteFollowingFolder; } public boolean isMultiFollowingFolder() { return mIsMultiNotesFollowingFolder; } public boolean isLast() { return mIsLastItem; } public String getCallName() { return mName; } public boolean isFirst() { return mIsFirstItem; } public boolean isSingle() { return mIsOnlyOneItem; } public long getId() { return mId; } public long getAlertDate() { return mAlertDate; } public long getCreatedDate() { return mCreatedDate; } public boolean hasAttachment() { return mHasAttachment; } public long getModifiedDate() { return mModifiedDate; } public int getBgColorId() { return mBgColorId; } public long getParentId() { return mParentId; } public int getNotesCount() { return mNotesCount; } public long getFolderId () { return mParentId; } public int getType() { return mType; } public int getWidgetType() { return mWidgetType; } public int getWidgetId() { return mWidgetId; } public String getSnippet() { return mSnippet; } public boolean hasAlert() { return (mAlertDate > 0); } //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空,则isCallRecord为true public boolean isCallRecord() { return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); } public static int getNoteType(Cursor cursor) { return cursor.getInt(TYPE_COLUMN); } }