erpsuiteandroid/Apex/src/com/usai/apex/DetailFragment.java

package com.usai.apex;

import java.io.File;

import org.json.JSONException;
import org.json.JSONObject;


import com.usai.util.Network;
import com.usai.util.commonUtil;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DownloadManager;
import android.app.AlertDialog.Builder;
import android.app.DownloadManager.Request;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.Fragment;
import android.text.Html;
import android.util.Log;
import android.util.SparseIntArray;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.webkit.DownloadListener;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;

public class DetailFragment extends Fragment implements OnClickListener /*
																		 * ,
																		 * OnGestureListener
																		 */
{

	private static final int	REQUEST_LOGINACTIVITY	= 1;

	// DataFragment mdataFragment;

	/* private GestureDetector mGestureDetector; */
	@Override
	public void onCreate(Bundle savedInstanceState)
	{
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);

	}

	@Override
	public void onDestroyView()
	{
		Log.d("DetailFragment", "onDestroyView()");
		super.onDestroyView();
	}

	// public String get_content()
	// {
	// return fragment_content;
	// }

	LinearLayout		ll_root;
	ScrollView			sl_root;
	String				mimeType			= "text/html";
	private SearchTask	m_task				= null;
	SparseIntArray		control				= new SparseIntArray();
	// private TextView mStatusMessageView;
	private View		mStatusView;

	String				fragment_content	= null;

	public void requestdata()
	{

		if (m_task != null)
		{
			return;
		}
		if (fragment_content != null)
		{
			LayoutInflater inflater = (LayoutInflater) ApexTrackingApplication
					.get_instance().getSystemService(
							Context.LAYOUT_INFLATER_SERVICE);
			init(fragment_content, inflater);
			return;
		}
		// if (mdataFragment.get_result() != null) {
		// LayoutInflater inflater = (LayoutInflater) ApexTrackingApplication
		// .get_instance().getSystemService(
		// Context.LAYOUT_INFLATER_SERVICE);
		// init(mdataFragment.get_result(), inflater);
		// }
		// if (fragment_content != null)
		// return;
		// mStatusMessageView.setText("Loading");
		showProgress(true);
		m_task = new SearchTask();
		m_task.execute();

	}

	public void set_content(String content)
	{
		fragment_content = content;
	}

	private void showProgress(final boolean show)
	{
		// On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
		// for very easy animations. If available, use these APIs to fade-in
		// the progress spinner.
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2)
		{
			int shortAnimTime = ApexTrackingApplication.get_instance()
					.getResources()
					.getInteger(android.R.integer.config_shortAnimTime);

			mStatusView.setVisibility(View.VISIBLE);
			mStatusView.animate().setDuration(shortAnimTime)
					.alpha(show ? 1 : 0)
					.setListener(new AnimatorListenerAdapter()
					{
						@Override
						public void onAnimationEnd(Animator animation)
						{
							mStatusView.setVisibility(show ? View.VISIBLE
									: View.INVISIBLE);
						}
					});

			ll_root.setVisibility(View.VISIBLE);
			ll_root.animate().setDuration(shortAnimTime).alpha(show ? 0 : 1)
					.setListener(new AnimatorListenerAdapter()
					{
						@Override
						public void onAnimationEnd(Animator animation)
						{
							ll_root.setVisibility(show ? View.INVISIBLE
									: View.VISIBLE);
						}
					});
		}
		else
		{
			// The ViewPropertyAnimator APIs are not available, so simply show
			// and hide the relevant UI components.
			mStatusView.setVisibility(show ? View.VISIBLE : View.INVISIBLE);
			ll_root.setVisibility(show ? View.INVISIBLE : View.VISIBLE);
		}
	}

	// @Override
	// public void onActivityCreated(Bundle savedInstanceState)
	// {
	// FragmentManager fm = getFragmentManager();
	//
	// // Check to see if we have retained the worker fragment.
	// mdataFragment = (DataFragment)fm.findFragmentByTag("work");
	//
	// // If not retained (or first time running), we need to create it.
	// if (mdataFragment == null) {
	// mdataFragment = new DataFragment();
	// // Tell it who it is working with.
	// mdataFragment.setTargetFragment(this, 0);
	// fm.beginTransaction().add(mdataFragment, "work").commit();
	// }
	// super.onActivityCreated(savedInstanceState);
	// }

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState)
	{
		/* mGestureDetector = new GestureDetector(this); */
		View view = inflater.inflate(R.layout.detail_fragment, null);
		sl_root = (ScrollView) view.findViewById(R.id.sl_root);
		/*
		 * sl_root.setOnTouchListener(new View.OnTouchListener() {
		 * 
		 * @Override public boolean onTouch(View v, MotionEvent event) { return
		 * mGestureDetector.onTouchEvent(event); } });
		 */
		ll_root = (LinearLayout) view.findViewById(R.id.ll_root);
		mStatusView = view.findViewById(R.id.status);
		LinearLayout ll = (LinearLayout) view.findViewById(R.id.ll_refresh);
		Button btn_refresh = (Button) ll.findViewById(R.id.btn_refresh);
		btn_refresh.setOnClickListener(new View.OnClickListener()
		{

			@Override
			public void onClick(View v)
			{
				LinearLayout ll = (LinearLayout) ll_root
						.findViewById(R.id.ll_refresh);
				ll.setVisibility(View.GONE);

				requestdata();

			}
		});
		// FragmentManager fm = getFragmentManager();
		// List<Fragment> fragments = fm.getFragments();
		// if (fragments != null) {
		// Log.e("DetailFragment", "fragments count=" + fragments.size());
		// // for (int i = 0; i < fragments.size(); i++)
		// // Log.e("DetailFragment", "fragments name=" + fragments.size());
		//
		// }
		// // this.getFragmentManager();
		// String tag = getArguments().getString("module_name");
		// // Check to see if we have retained the worker fragment.
		// mdataFragment = (DataFragment) fm.findFragmentById(12345);
		//
		// // If not retained (or first time running), we need to create it.
		// if (mdataFragment == null) {
		// Log.e("dataFragment creaded ", "tag=data_" + tag);
		// mdataFragment = new DataFragment();
		// // Tell it who it is working with.
		// mdataFragment.setTargetFragment(this, 0);
		// fm.beginTransaction().add(12345,mdataFragment, "data+" +
		// tag).commit();
		// }
		requestdata();
		return view;
	}

	void init(String jstr, LayoutInflater inflater)
	{
		String TAG = "init@DetailFragment";
		Log.d(TAG, jstr);
		try
		{
			JSONObject jsonObj = new JSONObject(jstr);
			int group_count = jsonObj.getInt("count");
			if (group_count == 0)
			{

				TextView tv_empty = (TextView) ll_root
						.findViewById(R.id.tv_empty);
				tv_empty.setVisibility(View.VISIBLE);
			}
			for (int i = 0; i < group_count; i++)
			{
				// String key = (String) it.next();
				// if (key.equals("result"))
				// continue;
				JSONObject groupobj = jsonObj.getJSONObject("group" + i);
				View v = inflater.inflate(R.layout.group_tag, null);
				v.setOnClickListener(this);

				TextView tvgroup = (TextView) v.findViewById(R.id.tv_group);
				String group_name = groupobj.getString("_name");
				tvgroup.setText(group_name);
				v.setId(commonUtil.generateViewId());
				ll_root.addView(v);
				String grouptype = groupobj.getString("_type");
				// groupobj.remove("_type");
				if (grouptype.equals("mapping"))
				{
					LinearLayout mappingview = (LinearLayout) inflater.inflate(
							R.layout.key_mapping, null);
					mappingview.setId(commonUtil.generateViewId());
					control.put(v.getId(), mappingview.getId());
					ll_root.addView(mappingview);

					int map_count = groupobj.getInt("count");
					for (int j = 0; j < map_count; j++)
					{
						// String keygroup = (String) itgroup.next();
						JSONObject itemobj = groupobj.getJSONObject("item" + j);
						String key = (String) itemobj.keys().next();
						String val = itemobj.getString(key);
						LinearLayout mappingitem = (LinearLayout) inflater
								.inflate(R.layout.keymapping_item, null);
						TextView tvkey = (TextView) mappingitem
								.findViewById(R.id.tv_key);
						tvkey.setText(key);
						// tvkey.setBackgroundResource(R.drawable.detail_item);
						TextView tvval = (TextView) mappingitem
								.findViewById(R.id.tv_value);
						tvval.setText(Html.fromHtml(val));
						// tvval.setBackgroundResource(R.drawable.detail_item);
						mappingview.addView(mappingitem);
					}
					// Iterator itgroup = groupobj.keys();
					// while (itgroup.hasNext())
					// {
					//
					//
					// }
				}
				else if (grouptype.equals("table"))
				{
					String content = groupobj.getString("content");
					WebView wv;

					wv = (WebView) inflater.inflate(R.layout.web_content, null);

					wv.getSettings().setDefaultTextEncodingName("UTF-8");
					wv.setId(commonUtil.generateViewId());
					wv.setWebViewClient(new MyWebViewClient());
					wv.setDownloadListener(new DownloadListener()
					{

						@Override
						public void onDownloadStart(String url,
								String userAgent, String contentDisposition,
								String mimetype, long contentLength)
						{
							if(!commonUtil.localdirExist())
							{
								
								new AlertDialog.Builder(getActivity())
				                .setIconAttribute(android.R.attr.alertDialogIcon)
				                .setTitle(R.string.str_localdir_error)
				                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
				                    public void onClick(DialogInterface dialog, int whichButton) {

				                        /* User clicked OK so do some stuff */
				                    }
				                })
				                .create().show();
								return;
							}
							String filename = contentDisposition.replace("attachment;filename=\"", "");
							filename = filename.replace("\"", "");
							
							Log.d("WebView", "Download Action");
							Log.i("tag", "url=" + url);
							// Log.i("tag", "userAgent="+userAgent);
							// Log.i("tag",
							// "contentDisposition="+contentDisposition);
							// Log.i("tag", "mimetype="+mimetype);
							// Log.i("tag", "contentLength="+contentLength);
							// Uri uri = Uri.parse(url);
							// Intent intent = new Intent(Intent.ACTION_VIEW,
							// uri);
							// startActivity(intent);

							final DownloadManager downloadManager = (DownloadManager) ApexTrackingApplication
									.get_instance().getSystemService(
											Context.DOWNLOAD_SERVICE);

							Uri uri = Uri.parse(url);
							final Request request = new Request(uri);

							// 设置允许使用的网络类型，这里是移动网络和wifi都可以
							request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_MOBILE
									| DownloadManager.Request.NETWORK_WIFI);
							
							
							
							request.setDestinationInExternalPublicDir("Apex Mobile",filename); 

							// 禁止发出通知，既后台下载，如果要使用这一句必须声明一个权限：android.permission.DOWNLOAD_WITHOUT_NOTIFICATION
							// request.setShowRunningNotification(false);

							// 不显示下载界面
							request.setVisibleInDownloadsUi(false);
							request.setNotificationVisibility(Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);

							/*
							 * 设置下载后文件存放的位置,如果sdcard不可用，那么设置这个将报错，
							 * 因此最好不设置如果sdcard可用，下载后的文件 在/mnt/sdcard/Android/
							 * data/packageName/files目录下面
							 * ，如果sdcard不可用,设置了下面这个将报错，不设置，下载后的文件在/cache这个 目录下面
							 */
							// request.setDestinationInExternalFilesDir(this,
							// null, "tar.apk");

//							getActivity();
							AlertDialog.Builder builder = new Builder(
									getActivity());
							builder.setMessage(getString(R.string.str_downloadmessage));

							builder.setTitle(getString(R.string.str_confirmdownload));

							builder.setPositiveButton(
									getString(R.string.str_download),
									new Dialog.OnClickListener()
									{

										@Override
										public void onClick(
												DialogInterface dialog,
												int which)
										{
											downloadManager.enqueue(request);
											dialog.dismiss();

										}
									});

							builder.setNegativeButton(
									getString(R.string.str_cancel),
									new Dialog.OnClickListener()
									{

										@Override
										public void onClick(
												DialogInterface dialog,
												int which)
										{
											dialog.dismiss();
										}
									});

							builder.create().show();
						}

					});
					control.put(v.getId(), wv.getId());
					wv.loadData(content, mimeType, null);

					// wv.setOnTouchListener(new OnTouchListener()
					// {
					// @Override
					// public boolean onTouch(View v, MotionEvent event)
					// {
					//
					// if (event.getAction() == MotionEvent.ACTION_UP)
					// sl_root.requestDisallowInterceptTouchEvent(false);
					// else
					// sl_root.requestDisallowInterceptTouchEvent(true);
					//
					// return false;
					// }
					// });
					ll_root.addView(wv);
					Log.d("table content", content);

				}
				if (grouptype.equals("list"))
				{
					LinearLayout listview = (LinearLayout) inflater.inflate(
							R.layout.list_content, null);
					listview.setId(commonUtil.generateViewId());
					control.put(v.getId(), listview.getId());
					ll_root.addView(listview);
					long list_count = groupobj.getInt("count");
					for (int j = 0; j < list_count; j++)
					{
						RelativeLayout listitem = (RelativeLayout) inflater
								.inflate(R.layout.list_item, null);

						TextView tvitem = (TextView) listitem
								.findViewById(R.id.tv_item);
						String val = groupobj.getString("line" + j);
						tvitem.setText(val);
						// tvitem.setBackgroundResource(R.drawable.detail_item);
						listitem.removeView(tvitem);

						listview.addView(tvitem);
					}
					// Iterator itgroup = groupobj.keys();
					// while (itgroup.hasNext())
					// {
					// String keygroup = (String) itgroup.next();
					//
					// }
				}
				// String value = obj.getString(key);
				// JSONArray array = obj.getJSONArray(key);
				// for(int i=0;i<array.length();i++){
				// JSONObject jsonobject = array.getJSONObject(i);
				// jsonobject.put("name", key);
				// jsonobject.put("exp", key+"="+jsonobject.getString("value"));
				// newArray.put(jsonobject);

			}
			// Iterator it = jsonObj.keys();
			// while (it.hasNext())
			// {
			//
			// }
		}
		catch (JSONException e)
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	@Override
	public void onClick(View v)
	{
		View view = ll_root.findViewById(control.get(v.getId()));
		if (view.getVisibility() == View.VISIBLE)
			view.setVisibility(View.GONE);
		else
			view.setVisibility(View.VISIBLE);

	}

	@Override
	public void onDestroy()
	{
		if (m_task != null)
			m_task.cancel(true);
		super.onDestroy();
	}

	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent data)
	{
		((DetailActivity) getActivity()).showlogin = false;
		super.onActivityResult(requestCode, resultCode, data);
	}

	@Override
	public void onDetach()
	{
		if (m_task != null)
			m_task.cancel(false);
		super.onDetach();
	}

	class SearchTask extends AsyncTask<Void, Void, Boolean>
	{
		int	errorcode;

		@Override
		protected Boolean doInBackground(Void... params)
		{
			Log.d("SearchTask", "doInBackground");
			if (!Network.NetworkIsAvailable())

			{
				errorcode = Network.RESULT_NET_NOTAVAILABLE;
				return false;
			}
			String jstr = Network.get_detail(getArguments());
			if (jstr == null || jstr.length() <= 0)
			{
				// Log.d(TAG, "json is wrong");

				errorcode = Network.RESULT_NET_ERROR;
				return false;
			}

			// mdataFragment.put_result(jstr);
			fragment_content = jstr;
			DetailActivity activity = (DetailActivity) getActivity();
			activity.save_content(getArguments().getString("action_type"), jstr);

			errorcode = Network.RESULT_TRUE;

			return true;
		}

		@Override
		protected void onPostExecute(Boolean success)
		{
			Log.i("onPostExecute", "entry");
			m_task = null;
			showProgress(false);

			if (ApexTrackingApplication.get_authorization() == false)
			{
				if(((DetailActivity) getActivity()).showlogin == true)
					return;
				((DetailActivity) getActivity()).showlogin = true;
				LinearLayout ll = (LinearLayout) ll_root
						.findViewById(R.id.ll_refresh);
				ll.setVisibility(View.VISIBLE);
				Toast toast = Toast.makeText(
						ApexTrackingApplication.get_instance(),
						getText(R.string.msg_net_passwordchangedremote) , Toast.LENGTH_LONG);
				toast.setGravity(Gravity.CENTER, 0, 0);
				toast.show();
				Intent i = new Intent();
				i.setClass(getActivity(), ApexActivity.class);
				startActivityForResult(i, REQUEST_LOGINACTIVITY);
				return;
			}
			
			switch (errorcode)
			{
				case Network.RESULT_NET_NOTAVAILABLE:
				{
					Toast toast = Toast.makeText(
							ApexTrackingApplication.get_instance(),
							getText(R.string.msg_connection_none),
							Toast.LENGTH_LONG);
					toast.setGravity(Gravity.CENTER, 0, 0);
					toast.show();
					break;
				}
				case Network.RESULT_NET_ERROR:
				{
					Toast toast = Toast.makeText(
							ApexTrackingApplication.get_instance(),
							getText(R.string.msg_net_error), Toast.LENGTH_LONG);
					toast.setGravity(Gravity.CENTER, 0, 0);
					toast.show();
					break;
				}
				case Network.RESULT_ERROR:
				// case Network.RESULT_RESPONSE_NULL:
				{

					Toast toast = Toast.makeText(
							ApexTrackingApplication.get_instance(),
							getText(R.string.msg_net_resulterror) + ":"
									+ errorcode, Toast.LENGTH_LONG);
					toast.setGravity(Gravity.CENTER, 0, 0);
					toast.show();

					break;
				}

				default:
					break;
			}

			if (success)
			{
				LayoutInflater inflater = (LayoutInflater) ApexTrackingApplication
						.get_instance().getSystemService(
								Context.LAYOUT_INFLATER_SERVICE);

				init(fragment_content, inflater/*
												 * getActivity().
												 * getLayoutInflater()
												 */);
			}
			else
			{
				LinearLayout ll = (LinearLayout) ll_root
						.findViewById(R.id.ll_refresh);
				ll.setVisibility(View.VISIBLE);
			}
			super.onPostExecute(success);
		}

		@Override
		protected void onCancelled()
		{
			m_task = null;
			showProgress(false);
		}
	}

	// public class DataFragment extends Fragment {
	//
	// String result = null;
	//
	// @Override
	// public void onCreate(Bundle savedInstanceState) {
	// setRetainInstance(true);
	// super.onCreate(savedInstanceState);
	// }
	//
	// public String get_result() {
	// return result;
	//
	// }
	//
	// public void put_result(String s) {
	// result = s;
	// }
	//
	// }

	public class MyWebViewClient extends WebViewClient
	{
		// 如果页面中链接，如果希望点击链接继续在当前browser中响应，
		// 而不是新开Android的系统browser中响应该链接，必须覆盖 webview的WebViewClient对象。
		public boolean shouldOverviewUrlLoading(WebView view, String url)
		{
			// L.i("shouldOverviewUrlLoading");
			view.loadUrl(url);
			return true;
		}

		public void onPageStarted(WebView view, String url, Bitmap favicon)
		{
			// L.i("onPageStarted");
			// showProgress();
		}

		public void onPageFinished(WebView view, String url)
		{
			// L.i("onPageFinished");
			// closeProgress();
		}

		public void onReceivedError(WebView view, int errorCode,
				String description, String failingUrl)
		{
			// L.i("onReceivedError");
			// closeProgress();
		}
	}

}