Android Open Source - RelayRemote Relays Fragment

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License

The source code is released under:

GNU General Public License

Java Source Code

// Copyright (C) 2012 Shane Tully 
///*from  w w w  . ja v a 2  s.  c  o  m*/
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package com.shanet.relayremote;

import java.util.ArrayList;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.Button;
import android.widget.ListView;

public class RelaysFragment extends ListFragment {

    private View layout;
    private ListView relayList;
    private RelayAdapter relayAdapter;
    
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        layout = inflater.inflate(R.layout.relays_fragment, null);
                
        // Setup the relay list
        setupRelayList();
                
        // Tell Android this fragment has an options menu
        setHasOptionsMenu(true);
        
        return layout;
    }
    
    
    @Override
    public void setUserVisibleHint(boolean isVisibleToUser) {
        super.setUserVisibleHint(isVisibleToUser);

        // If visible, reload the relays
        if(this.isVisible() && isVisibleToUser) {
            reloadRelays();
        }
    }


    public void reloadRelays() {
      ArrayList<Relay> relays = ((Main)getActivity()).getRelays();
        relayAdapter.updateRelays(relays);
    }
    
    
    private void setupRelayList() {
        relayList = (ListView) layout.findViewById(android.R.id.list);
        
        // Load all relays from the db and set the list adapter
        ArrayList<Relay> relays = ((Main)getActivity()).getRelays();
        if(relays == null) {
          System.out.println("setup relays is null");
        }
        relayAdapter = new RelayAdapter(getActivity(), relays);
        relayList.setAdapter(relayAdapter);
        
        // Set the long click menu on the relay list
        registerForContextMenu(relayList);
        
        // Add a click listener to the empty list add relay button
        ((Button)layout.findViewById(R.id.emptyAddRelay)).setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                getActivity().startActivityForResult(new Intent(getActivity(), AddRelay.class), Constants.ADD_EDIT_CODE);
            }
        });
    }
    
    
    @Override
    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
        getActivity().getMenuInflater().inflate(R.menu.relays_context_menu, menu);
    }

    
    @Override
    public boolean onContextItemSelected(MenuItem item) {
        // Get the selected relay
        AdapterContextMenuInfo menuInfo = (AdapterContextMenuInfo) item.getMenuInfo();
        Relay selectedRelay = ((Main)getActivity()).getRelays().get(menuInfo.position);
        
        switch (item.getItemId()) {
            case R.id.deleteRelay:
                DialogUtils.showDeleteDialog(getActivity(), selectedRelay);
                return true;
                
            case R.id.editRelay:
                // Pass the relay id (rid) of the selected relay to the edit activity
                Intent intent = new Intent(getActivity(), EditRelay.class);
                intent.putExtra("rid", selectedRelay.getRid());
                
                // Start the add/edit activity
                getActivity().startActivityForResult(intent, Constants.ADD_EDIT_CODE);
                return true;
                
            case R.id.createNFC:
                if(Utils.hasNfcSupport(getActivity())) {
                    DialogUtils.displayNfcTypeDialog(getActivity(), Constants.NFC_RELAY, selectedRelay.getRid());
                }

                return true;
                
            default:
                return false;
        }
    }
    
    
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.relay_frag_options_menu, menu);
    }
    

    public boolean onOptionsItemSelected(MenuItem item) {
        return Utils.onOptionsItemSelected(getActivity(), item);
    }
}

Java Source Code List

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