Java tutorial
/** * The MIT License (MIT) * Copyright (c) 2014 Timotei Albu, David Chau-Tran, Alain Clark, Shawn Anderson, Mickael Zerihoun * * 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 ca.cs.ualberta.localpost.view; import java.util.ArrayList; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.Fragment; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.AdapterContextMenuInfo; import android.widget.AdapterView.OnItemClickListener; import android.widget.ListView; import android.widget.Toast; import ca.cs.ualberta.localpost.controller.CommentListAdapter; import ca.cs.ualberta.localpost.controller.ConnectivityCheck; import ca.cs.ualberta.localpost.controller.ElasticSearchOperations; import ca.cs.ualberta.localpost.controller.PictureSort; import ca.cs.ualberta.localpost.controller.Serialize; import ca.cs.ualberta.localpost.model.CommentModel; import com.google.gson.Gson; /** * Displays comments that have pictures * @author Team 01 * */ public class PicTabView extends Fragment { public int isPictures; private ListView listView; private CommentListAdapter adapter; ArrayList<CommentModel> model; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflates the view with a list view. Also populates listview View rootView = inflater.inflate(R.layout.tab, container, false); listView = (ListView) rootView.findViewById(R.id.commentList); return rootView; } /** * Sorts comments without Pictures * This will update the listView with the sorted data */ @Override public void onResume() { super.onResume(); new Handler().postDelayed(new Runnable() { public void run() { ConnectivityCheck conn = new ConnectivityCheck(getActivity()); if (conn.isConnectingToInternet()) { try { model = new ElasticSearchOperations().execute(3, null, null, null).get(); Serialize.check_if_exist("cachedrootcomment.json", getActivity()); for (CommentModel c : model) { Serialize.SaveComment(c, getActivity(), null); Serialize.update(c, getActivity(), "favoritecomment.json"); Serialize.update(c, getActivity(), "historycomment.json"); } } catch (Exception e) { e.printStackTrace(); } } else { model = Serialize.loadFromFile("cachedrootcomment.json", getActivity()); } PictureSort sort = new PictureSort(); ArrayList<CommentModel> model2 = new ArrayList<CommentModel>(); model2 = model; model = sort.WithPictures(model2); adapter = new CommentListAdapter(getActivity(), R.id.custom_adapter, model); listView.setAdapter(adapter); registerForContextMenu(listView); listView.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Gson gson = new Gson(); String modelString = gson.toJson(model.get(position)); Intent myIntent = new Intent(getActivity(), ThreadView.class); myIntent.putExtra("CommentModel", modelString); startActivity(myIntent); } }); } }, 500); } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); menu.add(0, Menu.FIRST, 0, "UpRad"); menu.add(0, Menu.FIRST + 1, 0, "DownRad"); menu.add(0, Menu.FIRST + 2, 0, "Favorite"); } @Override public boolean onContextItemSelected(MenuItem item) { ConnectivityCheck conn = new ConnectivityCheck(getActivity()); // Get item list index ElasticSearchOperations es = new ElasticSearchOperations(); AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); int index = (int) info.id; switch (item.getItemId()) { case Menu.FIRST: if (conn.isConnectingToInternet()) { Toast.makeText(getActivity(), "UpRad", Toast.LENGTH_SHORT).show(); model.get(index).incRadish(); es.execute(1, model.get(index).getPostId(), model.get(index), null); return true; } else { Toast.makeText(getActivity(), "You require connectivity to Uprad", Toast.LENGTH_SHORT).show(); return true; } case Menu.FIRST + 1: if (conn.isConnectingToInternet()) { Toast.makeText(getActivity(), "DownRad", Toast.LENGTH_SHORT).show(); model.get(index).decRadish(); es.execute(1, model.get(index).getPostId(), model.get(index), null); return true; } else { Toast.makeText(getActivity(), "You require connectivity to Downrad", Toast.LENGTH_SHORT).show(); return true; } case Menu.FIRST + 2: Serialize.SaveComment(model.get(index), getActivity(), "favourite"); Toast.makeText(getActivity(), "Comment has been Favorited", Toast.LENGTH_SHORT).show(); Serialize.update(model.get(index), getActivity(), "favoritecomment.json"); return true; } return super.onContextItemSelected(item); } }