/*
* Copyright (C) 2011 mAPPn.Inc
*
* 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
*
* 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.
*/
package com.mappn.gfan.ui;
import java.util.ArrayList;
import java.util.HashMap;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.TextUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.RatingBar;
import android.widget.RatingBar.OnRatingBarChangeListener;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.mappn.gfan.Constants;
import com.mappn.gfan.R;
import com.mappn.gfan.common.ApiAsyncTask.ApiRequestListener;
import com.mappn.gfan.common.MarketAPI;
import com.mappn.gfan.common.util.Utils;
import com.mappn.gfan.common.vo.ProductDetail;
import com.mappn.gfan.common.widget.AppListAdapter;
import com.mappn.gfan.common.widget.LazyloadListActivity;
import com.mappn.gfan.common.widget.LoadingDrawable;
/**
* 产品评论页<br>
* 用户可以对产品进行各种讨论、评星，用以展示讨论列表。
*
* @author andrew
* @date 2011-3-22
*
*/
public class ProductCommentActivity extends LazyloadListActivity implements ApiRequestListener {
private static final int REFRESH_RATING = 1;
private AppListAdapter mCommentAdapter;
private ProductDetail mProduct;
private int mTotalSize;
private RatingBar mMyRating;
private TextView mRanking;
private boolean mHasRating;
private boolean mIsRating;
private long lastRatingTime;
private RelativeLayout mRatingLayout;
private RelativeLayout mInfoLayout;
private EditText mComment;
private Button mSend;
private LinearLayout mCommentView;
@Override
public boolean doInitView(Bundle savedInstanceState) {
setContentView(R.layout.market_activity_comment_list);
Utils.trackEvent(getApplicationContext(), Constants.GROUP_12,
Constants.DETAIL_CLICK_COMMENT);
final Intent intent = getIntent();
mProduct = (ProductDetail) intent.getSerializableExtra(Constants.EXTRA_PRDUCT_DETAIL);
initViews();
doLazyload();
return true;
}
@Override
public void doLazyload() {
MarketAPI.getComments(this, this, mProduct.getPid(), getItemsPerPage(), getStartIndex());
}
@Override
public AppListAdapter doInitListAdapter() {
return mCommentAdapter = new AppListAdapter(
getApplicationContext(),
null,
R.layout.market_list_item_comment,
new String[] {
Constants.KEY_COMMENT_AUTHOR,
Constants.KEY_COMMENT_DATE,
Constants.KEY_COMMENT_BODY },
new int[] {
R.id.tv_author,
R.id.tv_time,
R.id.tv_comment });
}
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case REFRESH_RATING:
refreshRatingView();
break;
default:
break;
}
}
};
@SuppressWarnings("unchecked")
@Override
public void onSuccess(int method, Object obj) {
if (isFinishing()) {
return;
}
switch (method) {
case MarketAPI.ACTION_GET_COMMENTS:
if (obj instanceof HashMap) {
HashMap<String, Object> result = (HashMap<String, Object>) obj;
mTotalSize = (Integer) result.get(Constants.KEY_TOTAL_SIZE);
if (mTotalSize > 0) {
// 成功获取评论列表
mCommentAdapter.addData((ArrayList<HashMap<String, Object>>) result
.get(Constants.KEY_COMMENT_LIST));
} else {
// 暂无评论
HashMap<String, Object> noData = new HashMap<String, Object>();
noData.put(Constants.KEY_COMMENT_BODY, getString(R.string.hint_no_comments));
mCommentAdapter.addData(noData);
}
setLoadResult(true);
}
break;
case MarketAPI.ACTION_GET_MYRATING:
mHandler.sendEmptyMessage(REFRESH_RATING);
int rating = Utils.getInt((String) obj);
if (rating > 0) {
mMyRating.setRating(rating);
}
break;
case MarketAPI.ACTION_ADD_RATING:
mRanking.setText(R.string.lable_ranking_over);
break;
case MarketAPI.ACTION_ADD_COMMENT:
mSend.setEnabled(true);
addMyComment();
mComment.setText("");
Utils.makeEventToast(getApplicationContext(), getString(R.string.alert_post_ok), false);
break;
}
}
/*
* 显示我的评论信息
*/
private void addMyComment() {
String commentBody = mComment.getText().toString();
HashMap<String, Object> comment = new HashMap<String, Object>();
comment.put(Constants.KEY_COMMENT_BODY, commentBody);
comment.put(Constants.KEY_COMMENT_AUTHOR, mSession.getUserName());
comment.put(Constants.KEY_COMMENT_DATE, Utils.formatTime(System.currentTimeMillis()));
if (mTotalSize <= 0) {
// 第一条评论
mCommentAdapter.clearData();
}
mCommentAdapter.insertData(comment);
((ProductDetailActivity) getParent()).changeCommentCount(++mTotalSize);
}
@Override
public void onError(int method, int statusCode) {
switch (method) {
case MarketAPI.ACTION_GET_COMMENTS:
setLoadResult(false);
Utils.makeEventToast(getApplicationContext(), getString(R.string.no_network), false);
break;
case MarketAPI.ACTION_GET_MYRATING:
mHasRating = false;
break;
case MarketAPI.ACTION_ADD_COMMENT:
mSend.setEnabled(true);
handlePostError(statusCode);
break;
default:
break;
}
Log.d("error", "status code " + statusCode);
}
/*
* 处理评论的异常信息
*/
private void handlePostError(int statusCode) {
switch (statusCode) {
case 232:
// 非法回复内容
Utils.makeEventToast(getApplicationContext(), getString(R.string.alert_unsafe_word),
false);
break;
case 225:
// 没有对应的帖子
Utils.makeEventToast(getApplicationContext(),
getString(R.string.alert_product_not_exist), false);
break;
case 233:
// 帐号被禁言
Utils.makeEventToast(getApplicationContext(), getString(R.string.alert_user_forbidden),
false);
break;
default:
// 网络问题
Utils.makeEventToast(getApplicationContext(), getString(R.string.alert_post_error),
false);
break;
}
}
@Override
protected int getItemCount() {
return mTotalSize;
}
@Override
protected void onResume() {
super.onResume();
refreshHeaderFooterView();
}
// 管理用戶状态
private void refreshHeaderFooterView() {
if (mSession.isLogin()) {
// 用户已经登录
if (mSession.getInstalledApps().contains(mProduct.getPackageName())) {
// 用户已经安装此应用
mInfoLayout.setVisibility(View.GONE);
mRatingLayout.setVisibility(View.VISIBLE);
} else {
// 用户未安装此应用，提示下载并安装
mInfoLayout.setVisibility(View.VISIBLE);
mRatingLayout.setVisibility(View.GONE);
ImageView icon = (ImageView) mInfoLayout.findViewById(R.id.iv_icon);
icon.setImageResource(R.drawable.down_btn_9);
TextView info = (TextView) mInfoLayout.findViewById(R.id.tv_info);
info.setText(R.string.lable_not_install);
}
if (!mHasRating) {
mHasRating = true;
MarketAPI.getMyRating(this, this, mProduct.getPid());
}
mCommentView.setVisibility(View.VISIBLE);
} else {
// 用户没有登录，提示用户登录
mInfoLayout.setVisibility(View.VISIBLE);
mRatingLayout.setVisibility(View.GONE);
ImageView icon = (ImageView) mInfoLayout.findViewById(R.id.iv_icon);
icon.setImageResource(R.drawable.login_icon);
TextView info = (TextView) mInfoLayout.findViewById(R.id.tv_info);
info.setText(R.string.lable_not_login);
mCommentView.setVisibility(View.GONE);
}
}
// 刷新评分
private void refreshRatingView() {
if (mIsRating) {
// 用户安装过此应用，已经卸载
mInfoLayout.setVisibility(View.GONE);
mRatingLayout.setVisibility(View.VISIBLE);
}
// 可以修改评分状态
lastRatingTime = 1;
}
/*
* 初始化View 判断用户是否登录，并显示没有登录的提示信息
*/
private void initViews() {
FrameLayout mLoading = (FrameLayout) findViewById(R.id.loading);
ProgressBar mProgress = (ProgressBar) mLoading.findViewById(R.id.progressbar);
mProgress.setIndeterminateDrawable(new LoadingDrawable(getApplicationContext()));
mProgress.setVisibility(View.VISIBLE);
mList = (ListView) findViewById(android.R.id.list);
mList.setEmptyView(mLoading);
FrameLayout rl = (FrameLayout) LayoutInflater.from(getApplicationContext()).inflate(
R.layout.product_rating, mList, false);
mRatingLayout = (RelativeLayout) rl.findViewById(R.id.rating_view);
mInfoLayout = (RelativeLayout) rl.findViewById(R.id.info_view);
mInfoLayout.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (mSession.isLogin()) {
// 安装应用
ProductDetailActivity parent = (ProductDetailActivity) getParent();
parent.download();
} else {
// 登录
Intent loginIntent = new Intent(getApplicationContext(),
LoginActivity.class);
startActivity(loginIntent);
}
}
});
mMyRating = (RatingBar) rl.findViewById(R.id.rb_myrating);
mRanking = (TextView) rl.findViewById(R.id.tv_ranking);
mMyRating.setOnRatingBarChangeListener(new OnRatingBarChangeListener() {
@Override
public void onRatingChanged(RatingBar ratingBar, final float rating, boolean fromUser) {
int ranking = (int) rating;
switch (ranking) {
case 1:
mRanking.setText(R.string.lable_ranking_1);
break;
case 2:
mRanking.setText(R.string.lable_ranking_2);
break;
case 3:
mRanking.setText(R.string.lable_ranking_3);
break;
case 4:
mRanking.setText(R.string.lable_ranking_4);
break;
case 5:
mRanking.setText(R.string.lable_ranking_5);
break;
default:
break;
}
long currentTime = System.currentTimeMillis();
if ((lastRatingTime != 0) && (currentTime - lastRatingTime > 2000)) {
// 防止用户过于频繁提交数据
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
MarketAPI.addRating(getApplicationContext(),
ProductCommentActivity.this, mProduct.getPid(), (int) rating);
}
}, 2000);
lastRatingTime = currentTime;
}
}
});
mList.addHeaderView(rl, null, false);
mCommentView = (LinearLayout) findViewById(R.id.product_comment);
mComment = (EditText) findViewById(R.id.et_comment);
mSend = (Button) findViewById(R.id.ib_send);
mSend.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String body = mComment.getText().toString();
if (TextUtils.isEmpty(body)) {
// 不能发表空内容
Utils.makeEventToast(getApplicationContext(),
getString(R.string.alert_post_not_null), false);
} else {
mSend.setEnabled(false);
MarketAPI.addComment(getApplicationContext(), ProductCommentActivity.this,
mProduct.getPid(), body.trim());
Utils.trackEvent(getApplicationContext(), Constants.GROUP_12,
Constants.DETAIL_POST_COMMENT);
}
}
});
refreshHeaderFooterView();
}
@Override
protected void onDestroy() {
super.onDestroy();
mCommentAdapter = null;
mProduct = null;
mMyRating = null;
mRanking = null;
mRatingLayout = null;
mInfoLayout = null;
mComment = null;
mSend = null;
mCommentView = null;
}
}