package com.todayinfo.ui.activity;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.Header;
import org.json.JSONObject;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import com.jinghua.todayinformation.R;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.loopj.android.http.RequestParams;
import com.todayinfo.model.ArticleItem;
import com.todayinfo.model.TextArticleItem;
import com.todayinfo.ui.component.ErrorHintView;
import com.todayinfo.ui.component.ErrorHintView.OperateListener;
import com.todayinfo.ui.component.SuperUI;
import com.todayinfo.utils.AsyncHttpUtil;
import com.todayinfo.utils.Contacts;
import com.todayinfo.utils.JsonUtils;
import com.todayinfo.utils.MD5Utils;
/**
* 科技详情
*
* @author zhou.ni 2015年5月18日
*/
public class PhoneTechDetailActivity extends SuperActivity implements OnClickListener{
private TextView mTitle;
private TextView mDate;
private WebView mWeb;
private ErrorHintView mErrorHintView;
private ScrollView mScrollView;
public static int VIEW_CONTENT = 1;
/**显示断网**/
public static int VIEW_WIFIFAILUER = 2;
/** 显示加载数据失败 **/
public static int VIEW_LOADFAILURE = 3;
public static int VIEW_LOADING = 4;
private TextArticleItem item;
private ArticleItem articleItem = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_text_tech_detail);
getWindow().setBackgroundDrawable(null);
initView();
}
/**
* 初始化控件
*/
private void initView() {
RelativeLayout headView = (RelativeLayout) this.findViewById(R.id.head);
RelativeLayout leftBack = (RelativeLayout) headView.findViewById(R.id.back_left);
TextView title = (TextView) headView.findViewById(R.id.head_title);
title.setText("文章详情");
LinearLayout top = (LinearLayout) this.findViewById(R.id.toolbar_top);
LinearLayout comment = (LinearLayout) this.findViewById(R.id.toolbar_comment);
LinearLayout save = (LinearLayout) this.findViewById(R.id.toolbar_save);
leftBack.setOnClickListener(this);
top.setOnClickListener(this);
comment.setOnClickListener(this);
save.setOnClickListener(this);
mTitle = (TextView) this.findViewById(R.id.title);
mDate = (TextView) this.findViewById(R.id.date);
mWeb = (WebView) this.findViewById(R.id.content);
mErrorHintView = (ErrorHintView) this.findViewById(R.id.hintView);
mScrollView = (ScrollView) this.findViewById(R.id.scroll);
showLoading(VIEW_LOADING);
loadtechDetail();
}
/**
* 加载文章内容
*/
private void loadtechDetail(){
Intent intent = getIntent();
articleItem = (ArticleItem) intent.getSerializableExtra("ArticleItem");
String id = articleItem.getId();
RequestParams params = new RequestParams();
String t = String.valueOf(System.currentTimeMillis() / 1000); //获取当前时间
params.put("timestamp", t); //当前时间戳
String token1 = MD5Utils.md5("d19cf361181f5a169c107872e1f5b722" + t);
params.put("token1", token1); //token1算法
params.put("apiid", 3);
params.put("module", "api_libraries_sjdbg_detail");
params.put("returnformat", "json");
params.put("encoding", "utf8");
params.put("docid", id); //文章id
// params.put("uid", uid ); //用户id ，登陆的时候传，不登陆不传
params.put("size", 500); //文章内图片的尺寸可以传500 800默认为500
AsyncHttpUtil.get(Contacts.PHONE_URL, params, new AsyncHttpResponseHandler() {
@Override
public void onSuccess(int arg0, Header[] arg1, byte[] arg2) {
if ( arg2!=null && arg2.length>0 ) {
try {
JSONObject obj = new JSONObject(new String(arg2));
String status = obj.getString("status");
if ( TextUtils.equals("1", status) ) {
showLoading(VIEW_CONTENT);
JSONObject data = obj.getJSONObject("data");
JSONObject info = data.getJSONObject("info");
item = JsonUtils.getInstance(TextArticleItem.class, info);
if ( item!=null ) {
mTitle.setText(item.getTitle());
mDate.setText(item.getDate());
initWebView(item.getContent());
}
} else {
showLoading(VIEW_LOADFAILURE);
}
} catch (Exception e) {
showLoading(VIEW_LOADFAILURE);
}
} else {
showLoading(VIEW_LOADFAILURE);
}
}
@Override
public void onFailure(int arg0, Header[] arg1, byte[] arg2, Throwable arg3) {
showLoading(VIEW_WIFIFAILUER);
}
});
}
/**
* 初始化WebView
* @param data
*/
@SuppressLint("SetJavaScriptEnabled")
private void initWebView(String data) {
// 如果访问的页面中有Javascript，则webview必须设置支持Javascript
mWeb.getSettings().setJavaScriptEnabled(true);
mWeb.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
// mWeb.getSettings().setLayoutAlgorithm(LayoutAlgorithm.SINGLE_COLUMN);
// 触摸焦点起作用
mWeb.requestFocus();
// 取消滚动条
mWeb.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);
mWeb.setHorizontalScrollBarEnabled(false);//水平不显示
mWeb.setVerticalScrollBarEnabled(false); //垂直不显示
// 设置WevView要显示的网页：
// mWeb.loadUrl(url);
mWeb.loadDataWithBaseURL(null, data,"text/html", "UTF-8", null);
// 设置不可缩放
mWeb.getSettings().setSupportZoom(false);
mWeb.getSettings().setBuiltInZoomControls(false);
mWeb.setWebViewClient(new MyWebViewClient());
mWeb.setWebChromeClient(new WebChromeClient());
// mWeb.addJavascriptInterface(this, "todayinfo");
}
class MyWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (!TextUtils.isEmpty(url)) {
Log.d("shouldOverrideUrlLoading", "onPageFinished");
mWeb.loadUrl(url);
}
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
String title = view.getTitle();
if( TextUtils.isEmpty(title) ){
return;
}
}
@Override
public void onReceivedError(WebView view, int errorCode,
String description, String failingUrl) {
Log.d("onReceivedError", "onReceivedError");
}
}
/**
* 显示正在加载界面
*
* @param i
*/
private void showLoading(int i){
mErrorHintView.setVisibility(View.GONE);
mScrollView.setVisibility(View.GONE);
switch(i){
case 1:
mErrorHintView.hideLoading();
mScrollView.setVisibility(View.VISIBLE);
break;
case 2:
mErrorHintView.hideLoading();
mErrorHintView.netError(new OperateListener() {
@Override
public void operate() {
showLoading(VIEW_LOADING);
loadtechDetail();
}
});
break;
case 3:
mErrorHintView.hideLoading();
mErrorHintView.loadFailure(new OperateListener() {
@Override
public void operate() {
showLoading(VIEW_LOADING);
loadtechDetail();
}
});
break;
case 4:
mErrorHintView.loadingData();
break;
}
}
@Override
public void retry() {
}
@Override
public void netError() {
}
@Override
protected void obtainInfo() {
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.back_left:
finish();
break;
case R.id.toolbar_top:
mScrollView.scrollTo(0, 0);
break;
case R.id.toolbar_comment:
Intent intent = new Intent(this, PhoneTechCommentActivity.class);
intent.putExtra("docid", item.getDocid());
startActivity(intent);
break;
case R.id.toolbar_save:
List<Object> list = mUserController.getCollectionInfo();
if ( list==null ) {
list = new ArrayList<Object>();
list.add(articleItem);
mUserController.saveCollectionInfo(list);
SuperUI.showCollectionUI(mContext);
} else {
if ( list.contains(articleItem) ) {
list.remove(articleItem);
mUserController.saveCollectionInfo(list);
SuperUI.showUncollectionUI(mContext);
} else {
list.add(articleItem);
mUserController.saveCollectionInfo(list);
SuperUI.showCollectionUI(mContext);
}
}
break;
default:
break;
}
}
}