package net.oschina.app.ui;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import net.oschina.app.AppConfig;
import net.oschina.app.AppContext;
import net.oschina.app.AppException;
import net.oschina.app.R;
import net.oschina.app.adapter.GridViewFaceAdapter;
import net.oschina.app.bean.Result;
import net.oschina.app.bean.Tweet;
import net.oschina.app.common.FileUtils;
import net.oschina.app.common.ImageUtils;
import net.oschina.app.common.MediaUtils;
import net.oschina.app.common.StringUtils;
import net.oschina.app.common.UIHelper;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.text.Editable;
import android.text.InputFilter;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextWatcher;
import android.text.style.ImageSpan;
import android.view.KeyEvent;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
/**
* 发表动弹
* @author liux (http://my.oschina.net/liux)
* @version 1.0
* @created 2012-3-21
*/
public class TweetPub extends BaseActivity{
private FrameLayout mForm;
private ImageView mBack;
private EditText mContent;
private Button mPublish;
private ImageView mFace;
private ImageView mPick;
private ImageView mAtme;
private ImageView mSoftware;
private ImageView mImage;
private LinearLayout mClearwords;
private TextView mNumberwords;
private GridView mGridView;
private GridViewFaceAdapter mGVFaceAdapter;
private Tweet tweet;
private File imgFile;
private String theLarge;
private String theThumbnail;
private InputMethodManager imm;
private String tempTweetKey = AppConfig.TEMP_TWEET;
private String tempTweetImageKey = AppConfig.TEMP_TWEET_IMAGE;
public static LinearLayout mMessage;
public static Context mContext;
private static final int MAX_TEXT_LENGTH = 160;//最大输入字数
private static final String TEXT_ATME = "@请输入用户名 ";
private static final String TEXT_SOFTWARE = "#请输入软件名#";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tweet_pub);
mContext = this;
//软键盘管理类
imm = (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
//初始化基本视图
this.initView();
//初始化表情视图
this.initGridView();
}
@Override
protected void onDestroy() {
mContext = null;
super.onDestroy();
}
@Override
protected void onResume() {
super.onResume();
if(mGridView.getVisibility() == View.VISIBLE){
//隐藏表情
hideFace();
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(keyCode == KeyEvent.KEYCODE_BACK) {
if(mGridView.getVisibility() == View.VISIBLE) {
//隐藏表情
hideFace();
}else{
return super.onKeyDown(keyCode, event);
}
}
return true;
}
//初始化视图控件
private void initView()
{
mForm = (FrameLayout)findViewById(R.id.tweet_pub_form);
mBack = (ImageView)findViewById(R.id.tweet_pub_back);
mMessage = (LinearLayout)findViewById(R.id.tweet_pub_message);
mImage = (ImageView)findViewById(R.id.tweet_pub_image);
mPublish = (Button)findViewById(R.id.tweet_pub_publish);
mContent = (EditText)findViewById(R.id.tweet_pub_content);
mFace = (ImageView)findViewById(R.id.tweet_pub_footbar_face);
mPick = (ImageView)findViewById(R.id.tweet_pub_footbar_photo);
mAtme = (ImageView)findViewById(R.id.tweet_pub_footbar_atme);
mSoftware = (ImageView)findViewById(R.id.tweet_pub_footbar_software);
mClearwords = (LinearLayout)findViewById(R.id.tweet_pub_clearwords);
mNumberwords = (TextView)findViewById(R.id.tweet_pub_numberwords);
mBack.setOnClickListener(UIHelper.finish(this));
mPublish.setOnClickListener(publishClickListener);
mImage.setOnLongClickListener(imageLongClickListener);
mFace.setOnClickListener(faceClickListener);
mPick.setOnClickListener(pickClickListener);
mAtme.setOnClickListener(atmeClickListener);
mSoftware.setOnClickListener(softwareClickListener);
mClearwords.setOnClickListener(clearwordsClickListener);
//@某人
String atme = getIntent().getStringExtra("at_me");
int atuid = getIntent().getIntExtra("at_uid",0);
if(atuid > 0){
tempTweetKey = AppConfig.TEMP_TWEET + "_" + atuid;
tempTweetImageKey = AppConfig.TEMP_TWEET_IMAGE + "_" + atuid;
}
//编辑器添加文本监听
mContent.addTextChangedListener(new TextWatcher() {
public void onTextChanged(CharSequence s, int start, int before, int count) {
//保存当前EditText正在编辑的内容
((AppContext)getApplication()).setProperty(tempTweetKey, s.toString());
//显示剩余可输入的字数
mNumberwords.setText((MAX_TEXT_LENGTH - s.length()) + "");
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
public void afterTextChanged(Editable s) {}
});
//编辑器点击事件
mContent.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
//显示软键盘
showIMM();
}
});
//设置最大输入字数
InputFilter[] filters = new InputFilter[1];
filters[0] = new InputFilter.LengthFilter(MAX_TEXT_LENGTH);
mContent.setFilters(filters);
//显示临时编辑内容
UIHelper.showTempEditContent(this, mContent, tempTweetKey);
//显示临时保存图片
String tempImage = ((AppContext)getApplication()).getProperty(tempTweetImageKey);
if(!StringUtils.isEmpty(tempImage)) {
Bitmap bitmap = ImageUtils.loadImgThumbnail(tempImage, 100, 100);
if(bitmap != null) {
imgFile = new File(tempImage);
mImage.setImageBitmap(bitmap);
mImage.setVisibility(View.VISIBLE);
}
}
if(atuid > 0 && mContent.getText().length() == 0){
mContent.setText(atme);
mContent.setSelection(atme.length());//设置光标位置
}
}
//初始化表情控件
private void initGridView() {
mGVFaceAdapter = new GridViewFaceAdapter(this);
mGridView = (GridView)findViewById(R.id.tweet_pub_faces);
mGridView.setAdapter(mGVFaceAdapter);
mGridView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
//插入的表情
SpannableString ss = new SpannableString(view.getTag().toString());
Drawable d = getResources().getDrawable((int)mGVFaceAdapter.getItemId(position));
d.setBounds(0, 0, 35, 35);//设置表情图片的显示大小
ImageSpan span = new ImageSpan(d, ImageSpan.ALIGN_BOTTOM);
ss.setSpan(span, 0, view.getTag().toString().length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
//在光标所在处插入表情
mContent.getText().insert(mContent.getSelectionStart(), ss);
}
});
}
private void showIMM() {
mFace.setTag(1);
showOrHideIMM();
}
private void showFace() {
mFace.setImageResource(R.drawable.widget_bar_keyboard);
mFace.setTag(1);
mGridView.setVisibility(View.VISIBLE);
}
private void hideFace() {
mFace.setImageResource(R.drawable.widget_bar_face);
mFace.setTag(null);
mGridView.setVisibility(View.GONE);
}
private void showOrHideIMM() {
if(mFace.getTag() == null){
//隐藏软键盘
imm.hideSoftInputFromWindow(mContent.getWindowToken(), 0);
//显示表情
showFace();
}else{
//显示软键盘
imm.showSoftInput(mContent, 0);
//隐藏表情
hideFace();
}
}
private View.OnClickListener faceClickListener = new View.OnClickListener() {
public void onClick(View v) {
showOrHideIMM();
}
};
private View.OnClickListener pickClickListener = new View.OnClickListener() {
public void onClick(View v) {
//隐藏软键盘
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
//隐藏表情
hideFace();
CharSequence[] items = {
TweetPub.this.getString(R.string.img_from_album),
TweetPub.this.getString(R.string.img_from_camera)
};
imageChooseItem(items);
}
};
private View.OnClickListener atmeClickListener = new View.OnClickListener() {
public void onClick(View v) {
//显示软键盘
showIMM();
//在光标所在处插入“@用户名”
int curTextLength = mContent.getText().length();
if(curTextLength < MAX_TEXT_LENGTH) {
String atme = TEXT_ATME;
int start,end;
if((MAX_TEXT_LENGTH - curTextLength) >= atme.length()) {
start = mContent.getSelectionStart() + 1;
end = start + atme.length() - 2;
} else {
int num = MAX_TEXT_LENGTH - curTextLength;
if(num < atme.length()) {
atme = atme.substring(0, num);
}
start = mContent.getSelectionStart() + 1;
end = start + atme.length() - 1;
}
if(start > MAX_TEXT_LENGTH || end > MAX_TEXT_LENGTH) {
start = MAX_TEXT_LENGTH;
end = MAX_TEXT_LENGTH;
}
mContent.getText().insert(mContent.getSelectionStart(), atme);
mContent.setSelection(start, end);//设置选中文字
}
}
};
private View.OnClickListener softwareClickListener = new View.OnClickListener() {
public void onClick(View v) {
//显示软键盘
showIMM();
//在光标所在处插入“#软件名#”
int curTextLength = mContent.getText().length();
if(curTextLength < MAX_TEXT_LENGTH) {
String software = TEXT_SOFTWARE;
int start,end;
if((MAX_TEXT_LENGTH - curTextLength) >= software.length()) {
start = mContent.getSelectionStart() + 1;
end = start + software.length() - 2;
} else {
int num = MAX_TEXT_LENGTH - curTextLength;
if(num < software.length()) {
software = software.substring(0, num);
}
start = mContent.getSelectionStart() + 1;
end = start + software.length() - 1;
}
if(start > MAX_TEXT_LENGTH || end > MAX_TEXT_LENGTH) {
start = MAX_TEXT_LENGTH;
end = MAX_TEXT_LENGTH;
}
mContent.getText().insert(mContent.getSelectionStart(), software);
mContent.setSelection(start, end);//设置选中文字
}
}
};
private View.OnClickListener clearwordsClickListener = new View.OnClickListener() {
public void onClick(View v) {
String content = mContent.getText().toString();
if(!StringUtils.isEmpty(content)){
UIHelper.showClearWordsDialog(v.getContext(), mContent, mNumberwords);
}
}
};
private View.OnLongClickListener imageLongClickListener = new View.OnLongClickListener() {
public boolean onLongClick(View v) {
//隐藏软键盘
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
new AlertDialog.Builder(v.getContext())
.setIcon(android.R.drawable.ic_dialog_info)
.setTitle(getString(R.string.delete_image))
.setPositiveButton(R.string.sure, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
//清除之前保存的编辑图片
((AppContext)getApplication()).removeProperty(tempTweetImageKey);
imgFile = null;
mImage.setVisibility(View.GONE);
dialog.dismiss();
}
})
.setNegativeButton(R.string.cancle, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
})
.create().show();
return true;
}
};
/**
* 操作选择
* @param items
*/
public void imageChooseItem(CharSequence[] items )
{
AlertDialog imageDialog = new AlertDialog.Builder(this).setTitle(R.string.ui_insert_image).setIcon(android.R.drawable.btn_star).setItems(items,
new DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog, int item)
{
//手机选图
if( item == 0 )
{
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/*");
startActivityForResult(Intent.createChooser(intent, "选择图片"),ImageUtils.REQUEST_CODE_GETIMAGE_BYSDCARD);
}
//拍照
else if( item == 1 )
{
String savePath = "";
//判断是否挂载了SD卡
String storageState = Environment.getExternalStorageState();
if(storageState.equals(Environment.MEDIA_MOUNTED)){
savePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/OSChina/Camera/";//存放照片的文件夹
File savedir = new File(savePath);
if (!savedir.exists()) {
savedir.mkdirs();
}
}
//没有挂载SD卡，无法保存文件
if(StringUtils.isEmpty(savePath)){
UIHelper.ToastMessage(TweetPub.this, "无法保存照片，请检查SD卡是否挂载");
return;
}
String timeStamp = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
String fileName = "osc_" + timeStamp + ".jpg";//照片命名
File out = new File(savePath, fileName);
Uri uri = Uri.fromFile(out);
theLarge = savePath + fileName;//该照片的绝对路径
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
startActivityForResult(intent, ImageUtils.REQUEST_CODE_GETIMAGE_BYCAMERA);
}
}}).create();
imageDialog.show();
}
@Override
protected void onActivityResult(final int requestCode, final int resultCode, final Intent data)
{
if(resultCode != RESULT_OK) return;
final Handler handler = new Handler(){
public void handleMessage(Message msg) {
if(msg.what == 1 && msg.obj != null){
//显示图片
mImage.setImageBitmap((Bitmap)msg.obj);
mImage.setVisibility(View.VISIBLE);
}
}
};
new Thread(){
public void run()
{
Bitmap bitmap = null;
if(requestCode == ImageUtils.REQUEST_CODE_GETIMAGE_BYSDCARD)
{
if(data == null) return;
Uri thisUri = data.getData();
String thePath = ImageUtils.getAbsolutePathFromNoStandardUri(thisUri);
//如果是标准Uri
if(StringUtils.isEmpty(thePath))
{
theLarge = ImageUtils.getAbsoluteImagePath(TweetPub.this,thisUri);
}
else
{
theLarge = thePath;
}
String attFormat = FileUtils.getFileFormat(theLarge);
if(!"photo".equals(MediaUtils.getContentType(attFormat)))
{
Toast.makeText(TweetPub.this, getString(R.string.choose_image), Toast.LENGTH_SHORT).show();
return;
}
//获取图片缩略图 只有Android2.1以上版本支持
if(AppContext.isMethodsCompat(android.os.Build.VERSION_CODES.ECLAIR_MR1)){
String imgName = FileUtils.getFileName(theLarge);
bitmap = ImageUtils.loadImgThumbnail(TweetPub.this, imgName, MediaStore.Images.Thumbnails.MICRO_KIND);
}
if(bitmap == null && !StringUtils.isEmpty(theLarge))
{
bitmap = ImageUtils.loadImgThumbnail(theLarge, 100, 100);
}
}
//拍摄图片
else if(requestCode == ImageUtils.REQUEST_CODE_GETIMAGE_BYCAMERA)
{
if(bitmap == null && !StringUtils.isEmpty(theLarge))
{
bitmap = ImageUtils.loadImgThumbnail(theLarge, 100, 100);
}
}
if(bitmap!=null)
{
//存放照片的文件夹
String savePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/OSChina/Camera/";
File savedir = new File(savePath);
if (!savedir.exists()) {
savedir.mkdirs();
}
String largeFileName = FileUtils.getFileName(theLarge);
String largeFilePath = savePath + largeFileName;
//判断是否已存在缩略图
if(largeFileName.startsWith("thumb_") && new File(largeFilePath).exists())
{
theThumbnail = largeFilePath;
imgFile = new File(theThumbnail);
}
else
{
//生成上传的800宽度图片
String thumbFileName = "thumb_" + largeFileName;
theThumbnail = savePath + thumbFileName;
if(new File(theThumbnail).exists())
{
imgFile = new File(theThumbnail);
}
else
{
try {
//压缩上传的图片
ImageUtils.createImageThumbnail(TweetPub.this, theLarge, theThumbnail, 800, 80);
imgFile = new File(theThumbnail);
} catch (IOException e) {
e.printStackTrace();
}
}
}
//保存动弹临时图片
((AppContext)getApplication()).setProperty(tempTweetImageKey, theThumbnail);
Message msg = new Message();
msg.what = 1;
msg.obj = bitmap;
handler.sendMessage(msg);
}
};
}.start();
}
private View.OnClickListener publishClickListener = new View.OnClickListener() {
public void onClick(View v) {
//隐藏软键盘
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
String content = mContent.getText().toString();
if(StringUtils.isEmpty(content)){
UIHelper.ToastMessage(v.getContext(), "请输入动弹内容");
return;
}
final AppContext ac = (AppContext)getApplication();
if(!ac.isLogin()){
UIHelper.showLoginDialog(TweetPub.this);
return;
}
mMessage.setVisibility(View.VISIBLE);
mForm.setVisibility(View.GONE);
tweet = new Tweet();
tweet.setAuthorId(ac.getLoginUid());
tweet.setBody(content);
tweet.setImageFile(imgFile);
final Handler handler = new Handler(){
public void handleMessage(Message msg) {
if(msg.what == 1){
//清除之前保存的编辑内容
ac.removeProperty(tempTweetKey,tempTweetImageKey);
finish();
}else{
mMessage.setVisibility(View.GONE);
mForm.setVisibility(View.VISIBLE);
}
}
};
new Thread(){
public void run() {
Message msg =new Message();
Result res = null;
int what = 0;
try {
res = ac.pubTweet(tweet);
what = 1;
msg.what = 1;
msg.obj = res;
} catch (AppException e) {
e.printStackTrace();
msg.what = -1;
msg.obj = e;
}
handler.sendMessage(msg);
UIHelper.sendBroadCastTweet(TweetPub.this, what, res, tweet);
}
}.start();
}
};
}