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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.model;
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import android.content.ContentProviderOperation;//批量的更新、插入、删除数据。
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import android.content.ContentProviderResult;//操作的结果
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import android.content.ContentUris;//用于添加和获取Uri后面的ID
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import android.content.ContentValues;//一种用来存储基本数据类型数据的存储机制
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import android.content.Context;//需要用该类来弄清楚调用者的实例
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import android.content.OperationApplicationException;//操作应用程序容错
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import android.net.Uri;//表示待操作的数据
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import android.os.RemoteException;//远程容错
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import android.util.Log;//输出日志，比如说出错、警告等
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.CallNote;
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import net.micode.notes.data.Notes.DataColumns;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.data.Notes.TextNote;
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import java.util.ArrayList;
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public class Note {
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// private ContentValues mNoteDiffValues;
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ContentValues mNoteDiffValues;//
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private NoteData mNoteData;
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private static final String TAG = "Note";
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/**
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* Create a new note id for adding a new note to databases
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*/
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public static synchronized long getNewNoteId(Context context, long folderId) {
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// Create a new note in the database
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ContentValues values = new ContentValues();
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long createdTime = System.currentTimeMillis();
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values.put(NoteColumns.CREATED_DATE, createdTime);
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values.put(NoteColumns.MODIFIED_DATE, createdTime);
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values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
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values.put(NoteColumns.LOCAL_MODIFIED, 1);
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values.put(NoteColumns.PARENT_ID, folderId);//将数据写入数据库表格
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
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//ContentResolver()主要是实现外部应用对ContentProvider中的数据
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//进行添加、删除、修改和查询操作
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long noteId = 0;
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try {
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noteId = Long.valueOf(uri.getPathSegments().get(1));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Get note id error :" + e.toString());
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noteId = 0;
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}//try-catch异常处理
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if (noteId == -1) {
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throw new IllegalStateException("Wrong note id:" + noteId);
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}
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return noteId;
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}
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public Note() {
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mNoteDiffValues = new ContentValues();
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mNoteData = new NoteData();
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}//定义两个变量用来存储便签的数据，一个是存储便签属性、一个是存储便签内容
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public void setNoteValue(String key, String value) {
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mNoteDiffValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}//设置数据库表格的标签属性数据
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public void setTextData(String key, String value) {
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mNoteData.setTextData(key, value);
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}//设置数据库表格的标签文本内容的数据
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public void setTextDataId(long id) {
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mNoteData.setTextDataId(id);
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}//设置文本数据的ID
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public long getTextDataId() {
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return mNoteData.mTextDataId;
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}//得到文本数据的ID
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public void setCallDataId(long id) {
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mNoteData.setCallDataId(id);
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}//设置电话号码数据的ID
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public void setCallData(String key, String value) {
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mNoteData.setCallData(key, value);
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}//得到电话号码数据的ID
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public boolean isLocalModified() {
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return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
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}//判断是否是本地修改
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public boolean syncNote(Context context, long noteId) {
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if (noteId <= 0) {
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throw new IllegalArgumentException("Wrong note id:" + noteId);
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}
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if (!isLocalModified()) {
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return true;
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}
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/**
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* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
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* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
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* note data info
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*/
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if (context.getContentResolver().update(
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ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
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null) == 0) {
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Log.e(TAG, "Update note error, should not happen");
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// Do not return, fall through
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}
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mNoteDiffValues.clear();
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if (mNoteData.isLocalModified()
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&& (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
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return false;
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}
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return true;
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}//判断数据是否同步
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private class NoteData {//定义一个基本的便签内容的数据类，主要包含文本数据和电话号码数据
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private long mTextDataId;
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private ContentValues mTextDataValues;//文本数据
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private long mCallDataId;
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private ContentValues mCallDataValues;//电话号码数据
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private static final String TAG = "NoteData";
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public NoteData() {
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mTextDataValues = new ContentValues();
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mCallDataValues = new ContentValues();
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mTextDataId = 0;
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mCallDataId = 0;
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}
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//下面是上述几个函数的具体实现
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boolean isLocalModified() {
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return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
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}
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void setTextDataId(long id) {
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if(id <= 0) {
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throw new IllegalArgumentException("Text data id should larger than 0");
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}
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mTextDataId = id;
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}
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void setCallDataId(long id) {
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if (id <= 0) {
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throw new IllegalArgumentException("Call data id should larger than 0");
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}
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mCallDataId = id;
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}
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void setCallData(String key, String value) {
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mCallDataValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}
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void setTextData(String key, String value) {
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mTextDataValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}
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//下面函数的作用是将新的数据通过Uri的操作存储到数据库
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Uri pushIntoContentResolver(Context context, long noteId) {
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/**
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* Check for safety
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*/
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if (noteId <= 0) {
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throw new IllegalArgumentException("Wrong note id:" + noteId);
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}//判断数据是否合法
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ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
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ContentProviderOperation.Builder builder = null;//数据库的操作列表
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if(mTextDataValues.size() > 0) {
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mTextDataValues.put(DataColumns.NOTE_ID, noteId);
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if (mTextDataId == 0) {
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mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
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mTextDataValues);
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try {
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setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Insert new text data fail with noteId" + noteId);
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mTextDataValues.clear();
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return null;
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}
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} else {
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builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
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Notes.CONTENT_DATA_URI, mTextDataId));
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builder.withValues(mTextDataValues);
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operationList.add(builder.build());
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}
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mTextDataValues.clear();
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}//把文本数据存入DataColumns
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if(mCallDataValues.size() > 0) {
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mCallDataValues.put(DataColumns.NOTE_ID, noteId);
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if (mCallDataId == 0) {
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mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
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mCallDataValues);
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try {
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setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Insert new call data fail with noteId" + noteId);
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mCallDataValues.clear();
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return null;
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}
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} else {
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builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
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Notes.CONTENT_DATA_URI, mCallDataId));
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builder.withValues(mCallDataValues);
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operationList.add(builder.build());
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}
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mCallDataValues.clear();
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}//把电话号码数据存入DataColumns
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if (operationList.size() > 0) {
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try {
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ContentProviderResult[] results = context.getContentResolver().applyBatch(
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Notes.AUTHORITY, operationList);
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return (results == null || results.length == 0 || results[0] == null) ? null
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: ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
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} catch (RemoteException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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return null;
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} catch (OperationApplicationException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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return null;
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}
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}//存储过程中的异常处理
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return null;
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}
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}
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}
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@ -0,0 +1,49 @@
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package net.micode.notes.ui;
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import android.content.Context;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.Button;
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import android.widget.PopupMenu;
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import android.widget.PopupMenu.OnMenuItemClickListener;
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import net.micode.notes.R;
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public class DropdownMenu {
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private Button mButton;
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private PopupMenu mPopupMenu;
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//声明一个下拉菜单
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private Menu mMenu;
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public DropdownMenu(Context context, Button button, int menuId) {
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mButton = button;
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mButton.setBackgroundResource(R.drawable.dropdown_icon);
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//设置这个view的背景
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mPopupMenu = new PopupMenu(context, mButton);
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mMenu = mPopupMenu.getMenu();
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mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
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//MenuInflater是用来实例化Menu目录下的Menu布局文件
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//根据ID来确认menu的内容选项
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mButton.setOnClickListener(new OnClickListener() {
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public void onClick(View v) {
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mPopupMenu.show();
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}
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});
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}
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public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
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if (mPopupMenu != null) {
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mPopupMenu.setOnMenuItemClickListener(listener);
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}//设置菜单的监听
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}
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public MenuItem findItem(int id) {
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return mMenu.findItem(id);
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}//对于菜单选项的初始化，根据索引搜索菜单需要的选项
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public void setTitle(CharSequence title) {
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mButton.setText(title);
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}//布局文件，设置标题
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}
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1,217 @@
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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import android.content.Context;
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import android.graphics.Rect;
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import android.text.Layout;
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import android.text.Selection;
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import android.text.Spanned;
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import android.text.TextUtils;
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import android.text.style.URLSpan;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.ContextMenu;
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import android.view.KeyEvent;
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import android.view.MenuItem;
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import android.view.MenuItem.OnMenuItemClickListener;
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import android.view.MotionEvent;
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import android.widget.EditText;
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import net.micode.notes.R;
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import java.util.HashMap;
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import java.util.Map;
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public class NoteEditText extends EditText {
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private static final String TAG = "NoteEditText";
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private int mIndex;
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private int mSelectionStartBeforeDelete;
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private static final String SCHEME_TEL = "tel:" ;
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private static final String SCHEME_HTTP = "http:" ;
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private static final String SCHEME_EMAIL = "mailto:" ;
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private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
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static {
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sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
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sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web);
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sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email);
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}
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/**
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* Call by the {@link NoteEditActivity} to delete or add edit text
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*/
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public interface OnTextViewChangeListener {
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/**
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* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
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* and the text is null
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*/
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void onEditTextDelete(int index, String text);
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/**
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* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
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* happen
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*/
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void onEditTextEnter(int index, String text);
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/**
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* Hide or show item option when text change
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*/
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void onTextChange(int index, boolean hasText);
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}
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private OnTextViewChangeListener mOnTextViewChangeListener;
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public NoteEditText(Context context) {
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super(context, null);
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mIndex = 0;
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}
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public void setIndex(int index) {
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mIndex = index;
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}
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public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
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mOnTextViewChangeListener = listener;
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}
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public NoteEditText(Context context, AttributeSet attrs) {
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super(context, attrs, android.R.attr.editTextStyle);
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}
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public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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// TODO Auto-generated constructor stub
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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switch (event.getAction()) {
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case MotionEvent.ACTION_DOWN:
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int x = (int) event.getX();
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int y = (int) event.getY();
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x -= getTotalPaddingLeft();
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y -= getTotalPaddingTop();
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x += getScrollX();
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y += getScrollY();
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Layout layout = getLayout();
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int line = layout.getLineForVertical(y);
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int off = layout.getOffsetForHorizontal(line, x);
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Selection.setSelection(getText(), off);
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break;
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}
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return super.onTouchEvent(event);
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}
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent event) {
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switch (keyCode) {
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case KeyEvent.KEYCODE_ENTER:
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if (mOnTextViewChangeListener != null) {
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return false;
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}
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break;
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case KeyEvent.KEYCODE_DEL:
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mSelectionStartBeforeDelete = getSelectionStart();
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break;
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default:
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break;
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}
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return super.onKeyDown(keyCode, event);
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}
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@Override
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public boolean onKeyUp(int keyCode, KeyEvent event) {
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switch(keyCode) {
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case KeyEvent.KEYCODE_DEL:
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if (mOnTextViewChangeListener != null) {
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if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
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mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
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return true;
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}
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} else {
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Log.d(TAG, "OnTextViewChangeListener was not seted");
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}
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break;
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case KeyEvent.KEYCODE_ENTER:
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if (mOnTextViewChangeListener != null) {
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int selectionStart = getSelectionStart();
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String text = getText().subSequence(selectionStart, length()).toString();
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setText(getText().subSequence(0, selectionStart));
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||||
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
|
||||
} else {
|
||||
Log.d(TAG, "OnTextViewChangeListener was not seted");
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return super.onKeyUp(keyCode, event);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
|
||||
if (mOnTextViewChangeListener != null) {
|
||||
if (!focused && TextUtils.isEmpty(getText())) {
|
||||
mOnTextViewChangeListener.onTextChange(mIndex, false);
|
||||
} else {
|
||||
mOnTextViewChangeListener.onTextChange(mIndex, true);
|
||||
}
|
||||
}
|
||||
super.onFocusChanged(focused, direction, previouslyFocusedRect);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onCreateContextMenu(ContextMenu menu) {
|
||||
if (getText() instanceof Spanned) {
|
||||
int selStart = getSelectionStart();
|
||||
int selEnd = getSelectionEnd();
|
||||
|
||||
int min = Math.min(selStart, selEnd);
|
||||
int max = Math.max(selStart, selEnd);
|
||||
|
||||
final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class);
|
||||
if (urls.length == 1) {
|
||||
int defaultResId = 0;
|
||||
for(String schema: sSchemaActionResMap.keySet()) {
|
||||
if(urls[0].getURL().indexOf(schema) >= 0) {
|
||||
defaultResId = sSchemaActionResMap.get(schema);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (defaultResId == 0) {
|
||||
defaultResId = R.string.note_link_other;
|
||||
}
|
||||
|
||||
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
|
||||
new OnMenuItemClickListener() {
|
||||
public boolean onMenuItemClick(MenuItem item) {
|
||||
// goto a new intent
|
||||
urls[0].onClick(NoteEditText.this);
|
||||
return true;
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
super.onCreateContextMenu(menu);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue