Java tutorial
/* * Copyright (c) 2013 Joakim Lindskog * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.limewoodmedia.nsdroid.fragments; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.net.Uri; import android.os.AsyncTask; import android.os.Bundle; import android.support.v4.app.Fragment; import android.text.Html; import android.text.method.LinkMovementMethod; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; import com.limewoodMedia.nsapi.exceptions.RateLimitReachedException; import com.limewoodMedia.nsapi.exceptions.UnknownRegionException; import com.limewoodMedia.nsapi.holders.Embassy; import com.limewoodMedia.nsapi.holders.Embassy.EmbassyStatus; import com.limewoodMedia.nsapi.holders.Officer; import com.limewoodMedia.nsapi.holders.RegionData; import com.limewoodmedia.nsdroid.API; import com.limewoodmedia.nsdroid.LoadingHelper; import com.limewoodmedia.nsdroid.R; import com.limewoodmedia.nsdroid.TagParser; import com.limewoodmedia.nsdroid.activities.Nation; import com.limewoodmedia.nsdroid.activities.Region; import com.limewoodmedia.nsdroid.views.LoadingView; import org.xmlpull.v1.XmlPullParserException; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; public class OfficersFragment extends Fragment implements OnClickListener { private static final String TAG = OfficersFragment.class.getName(); private View root; private ListView list; private LoadingView loadingView; private List<Officer> officers; private ArrayAdapter<Officer> listAdapter; private Context context; private String errorMessage; private String region; private RegionData data; private OfficersComparator officersComparator; public OfficersFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); context = getActivity(); } @Override public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { root = inflater.inflate(R.layout.officers, null, false); list = (ListView) root.findViewById(R.id.officers_list); officers = new ArrayList<Officer>(); officersComparator = new OfficersComparator(); listAdapter = new ArrayAdapter<Officer>(context, 0, officers) { @Override public View getView(int position, View convertView, ViewGroup parent) { View view; TextView name, office, authority; Officer officer; if (convertView == null) { view = inflater.inflate(R.layout.officer, null); } else { view = convertView; } name = (TextView) view.findViewById(R.id.officer_name); name.setMovementMethod(LinkMovementMethod.getInstance()); office = (TextView) view.findViewById(R.id.officer_office); authority = (TextView) view.findViewById(R.id.officer_authority); officer = getItem(position); // Name String oName = TagParser.idToName(officer.nation); name.setText(Html.fromHtml(oName)); // Office office.setText(officer.office); // Authority StringBuilder sb = new StringBuilder(); int i = 0; for (Officer.Authority auth : officer.authority) { sb.append(auth.name); if (i + 1 < officer.authority.size()) { sb.append(", "); } i++; } authority.setText(sb.toString()); view.setTag(officer); view.setOnClickListener(OfficersFragment.this); name.setOnClickListener(OfficersFragment.this); office.setOnClickListener(OfficersFragment.this); return view; } }; list.setAdapter(listAdapter); return root; } public void setRegionName(String name) { region = name; } public void setOfficers(List<Officer> officers) { if (officers != null) { Log.d(TAG, "Officers: " + officers.size()); if (this.officers.size() > 0) { this.officers.clear(); } Collections.sort(officers, officersComparator); this.officers.addAll(officers); this.listAdapter.notifyDataSetChanged(); } list.setVisibility(View.VISIBLE); LoadingHelper.stopLoading(loadingView); } public void onBeforeLoad() { this.officers.clear(); startLoading(R.string.loading_officers); } private void startLoading(int res) { if (loadingView == null) { loadingView = (LoadingView) root.findViewById(R.id.loading); } list.setVisibility(View.GONE); LoadingHelper.startLoading(loadingView, res, getActivity()); } public void updateOfficers() { this.officers.clear(); startLoading(R.string.loading_officers); errorMessage = getResources().getString(R.string.general_error); new AsyncTask<Void, Void, Boolean>() { protected Boolean doInBackground(Void... params) { try { data = API.getInstance(context).getRegionInfo(region, RegionData.Shards.NAME, RegionData.Shards.OFFICERS); return true; } catch (RateLimitReachedException e) { e.printStackTrace(); errorMessage = getResources().getString(R.string.rate_limit_reached); } catch (UnknownRegionException e) { e.printStackTrace(); errorMessage = getResources().getString(R.string.unknown_region, e.getRegion()); } catch (RuntimeException e) { e.printStackTrace(); errorMessage = e.getMessage(); } catch (XmlPullParserException e) { e.printStackTrace(); errorMessage = getResources().getString(R.string.xml_parser_exception); } catch (IOException e) { e.printStackTrace(); errorMessage = getResources().getString(R.string.api_io_exception); } return false; }; protected void onPostExecute(Boolean result) { LoadingHelper.stopLoading(loadingView); if (result) { setOfficers(data.officers); } else { Toast.makeText(context, errorMessage, Toast.LENGTH_SHORT).show(); } }; }.execute(); } @Override public void onClick(View v) { // Go to nation Officer e = (Officer) v.getTag(); if (e == null) { e = (Officer) ((ViewGroup) v.getParent()).getTag(); } if (e != null) { Intent i = new Intent(getActivity(), Nation.class); i.setData(Uri.parse("com.limewoodMedia.nsdroid.nation://" + e.nation.replace(' ', '_'))); getActivity().startActivity(i); } } class OfficersComparator implements Comparator<Officer> { @Override public int compare(Officer lhs, Officer rhs) { return lhs.order - rhs.order; } } }