package com.ch_linghu.fanfoudroid.ui.module;
import java.util.ArrayList;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.text.TextUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.ch_linghu.fanfoudroid.R;
import com.ch_linghu.fanfoudroid.TwitterApplication;
import com.ch_linghu.fanfoudroid.app.LazyImageLoader.ImageLoaderCallback;
import com.ch_linghu.fanfoudroid.app.Preferences;
import com.ch_linghu.fanfoudroid.data.User;
import com.ch_linghu.fanfoudroid.fanfou.Weibo;
import com.ch_linghu.fanfoudroid.http.HttpException;
import com.ch_linghu.fanfoudroid.task.GenericTask;
import com.ch_linghu.fanfoudroid.task.TaskAdapter;
import com.ch_linghu.fanfoudroid.task.TaskListener;
import com.ch_linghu.fanfoudroid.task.TaskParams;
import com.ch_linghu.fanfoudroid.task.TaskResult;
/*
* 用于用户的Adapter
*/
public class UserArrayAdapter extends BaseAdapter implements TweetAdapter {
private static final String TAG = "UserArrayAdapter";
private static final String USER_ID = "userId";
protected ArrayList<User> mUsers;
private Context mContext;
protected LayoutInflater mInflater;
public UserArrayAdapter(Context context) {
mUsers = new ArrayList<User>();
mContext = context;
mInflater = LayoutInflater.from(mContext);
}
@Override
public int getCount() {
return mUsers.size();
}
@Override
public Object getItem(int position) {
return mUsers.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
private static class ViewHolder {
public ImageView profileImage;
public TextView screenName;
public TextView userId;
public TextView lastStatus;
public TextView followBtn;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view;
SharedPreferences pref = TwitterApplication.mPref; // PreferenceManager.getDefaultSharedPreferences(mContext);
boolean useProfileImage = pref.getBoolean(
Preferences.USE_PROFILE_IMAGE, true);
if (convertView == null) {
view = mInflater.inflate(R.layout.follower_item, parent, false);
ViewHolder holder = new ViewHolder();
holder.profileImage = (ImageView) view
.findViewById(R.id.profile_image);
holder.screenName = (TextView) view.findViewById(R.id.screen_name);
holder.userId = (TextView) view.findViewById(R.id.user_id);
// holder.lastStatus = (TextView)
// view.findViewById(R.id.last_status);
holder.followBtn = (TextView) view.findViewById(R.id.follow_btn);
view.setTag(holder);
} else {
view = convertView;
}
ViewHolder holder = (ViewHolder) view.getTag();
final User user = mUsers.get(position);
String profileImageUrl = user.profileImageUrl;
if (useProfileImage) {
if (!TextUtils.isEmpty(profileImageUrl)) {
holder.profileImage
.setImageBitmap(TwitterApplication.mImageLoader.get(
profileImageUrl, callback));
}
} else {
holder.profileImage.setVisibility(View.GONE);
}
// holder.profileImage.setImageBitmap(ImageManager.mDefaultBitmap);
holder.screenName.setText(user.screenName);
holder.userId.setText(user.id);
// holder.lastStatus.setText(user.lastStatus);
holder.followBtn.setText(user.isFollowing ? mContext
.getString(R.string.general_del_friend) : mContext
.getString(R.string.general_add_friend));
holder.followBtn
.setOnClickListener(user.isFollowing ? new OnClickListener() {
@Override
public void onClick(View v) {
// Toast.makeText(mContext, user.name+"following",
// Toast.LENGTH_SHORT).show();
delFriend(user.id,v);
}
} : new OnClickListener() {
@Override
public void onClick(View v) {
// Toast.makeText(mContext, user.name+"not following",
// Toast.LENGTH_SHORT).show();
addFriend(user.id,v);
}
});
return view;
}
public void refresh(ArrayList<User> users) {
mUsers = (ArrayList<User>)users.clone();
notifyDataSetChanged();
}
@Override
public void refresh() {
notifyDataSetChanged();
}
private ImageLoaderCallback callback = new ImageLoaderCallback() {
@Override
public void refresh(String url, Bitmap bitmap) {
UserArrayAdapter.this.refresh();
}
};
/**
* 取消关注
*
* @param id
*/
private void delFriend(final String id,final View v) {
Builder diaBuilder = new AlertDialog.Builder(mContext).setTitle("关注提示")
.setMessage("确实要取消关注吗?");
diaBuilder.setPositiveButton("确定",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (cancelFollowingTask != null
&& cancelFollowingTask.getStatus() == GenericTask.Status.RUNNING) {
return;
} else {
cancelFollowingTask = new CancelFollowingTask();
cancelFollowingTask.setListener(new TaskAdapter() {//闭包？
@Override
public void onPostExecute(GenericTask task,
TaskResult result) {
if (result == TaskResult.OK) {
//添加成功后动态改变按钮
TextView followBtn=(TextView)v.findViewById(R.id.follow_btn);
followBtn.setText("添加关注");
followBtn.setOnClickListener( new OnClickListener() {
@Override
public void onClick(View view) {
addFriend(id,view);
}
});
Toast.makeText(mContext, "取消关注成功",
Toast.LENGTH_SHORT).show();
} else if (result == TaskResult.FAILED) {
Toast.makeText(mContext, "取消关注失败",
Toast.LENGTH_SHORT).show();
}
}
@Override
public String getName() {
return null;
}
});
TaskParams params = new TaskParams();
params.put(USER_ID, id);
cancelFollowingTask.execute(params);
}
}
});
diaBuilder.setNegativeButton("取消",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
Dialog dialog = diaBuilder.create();
dialog.show();
}
private GenericTask cancelFollowingTask;
/**
* 取消关注
*
* @author Dino
*
*/
private class CancelFollowingTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
try {
String userId = params[0].getString(USER_ID);
getApi().destroyFriendship(userId);
} catch (HttpException e) {
Log.w(TAG, "create friend ship error");
return TaskResult.FAILED;
}
return TaskResult.OK;
}
}
private GenericTask setFollowingTask;
/**
* 设置关注
*
* @param id
*/
private void addFriend(final String id,final View view) {
Builder diaBuilder = new AlertDialog.Builder(mContext).setTitle("关注提示")
.setMessage("确实要添加关注吗?");
diaBuilder.setPositiveButton("确定",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (setFollowingTask != null
&& setFollowingTask.getStatus() == GenericTask.Status.RUNNING) {
return;
} else {
setFollowingTask = new SetFollowingTask();
setFollowingTask
.setListener(new TaskAdapter() {
@Override
public void onPostExecute(GenericTask task, TaskResult result) {
if (result == TaskResult.OK) {
//添加成功后动态改变按钮
TextView followBtn=(TextView)view.findViewById(R.id.follow_btn);
followBtn.setText("取消关注");
followBtn.setOnClickListener( new OnClickListener() {
@Override
public void onClick(View v) {
delFriend(id,v);
}
});
Toast.makeText(mContext, "关注成功", Toast.LENGTH_SHORT).show();
} else if (result == TaskResult.FAILED) {
Toast.makeText(mContext, "关注失败", Toast.LENGTH_SHORT).show();
}
}
@Override
public String getName() {
// TODO Auto-generated method stub
return null;
}
});
TaskParams params = new TaskParams();
params.put(USER_ID, id);
setFollowingTask.execute(params);
}
}
});
diaBuilder.setNegativeButton("取消",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
Dialog dialog = diaBuilder.create();
dialog.show();
}
/**
* 设置关注
*
* @author Dino
*
*/
private class SetFollowingTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
try {
String userId = params[0].getString(USER_ID);
getApi().createFriendship(userId);
} catch (HttpException e) {
Log.w(TAG, "create friend ship error");
return TaskResult.FAILED;
}
return TaskResult.OK;
}
}
public Weibo getApi() {
return TwitterApplication.mApi;
}
}