com.piusvelte.cloudset.android.DevicesFragment.java Source code

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Here is the source code for com.piusvelte.cloudset.android.DevicesFragment.java

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/*
 * CloudSet - Android devices settings synchronization
 * Copyright (C) 2013 Bryan Emmanuel
 *
 * This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  Bryan Emmanuel piusvelte@gmail.com
 */
package com.piusvelte.cloudset.android;

import java.util.ArrayList;
import java.util.List;

import com.piusvelte.cloudset.gwt.server.deviceendpoint.model.SimpleDevice;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
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.OnItemClickListener;
import android.widget.TextView;

public class DevicesFragment extends ListFragment implements DevicesListListener, OnItemClickListener {

    private static final String TAG = "DevicesFragment";

    TextView empty;

    boolean isSubscriptions;

    public DevicesFragment() {
    }

    DevicesListener callback;

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);

        try {
            callback = (DevicesListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement DevicesListener");
        }
    }

    private DevicesAdapter adapter;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        isSubscriptions = getArguments().getBoolean(CloudSetMain.ARGUMENT_ISSUBSCRIPTIONS);
        final View rootView = inflater.inflate(R.layout.devices, container, false);
        empty = (TextView) rootView.findViewById(android.R.id.empty);

        if (callback != null && callback.hasAccount()) {
            empty.setText(R.string.loading_devices);
            empty.setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    if (callback != null) {
                        callback.loadDevices(false);
                    }
                }

            });
        } else {
            empty.setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    if (callback != null) {
                        callback.doSignIn();
                    }
                }

            });
        }

        return rootView;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        adapter = new DevicesAdapter(getActivity(), new ArrayList<SimpleDevice>());
        setListAdapter(adapter);
        getListView().setOnItemClickListener(this);
    }

    @Override
    public void onResume() {
        super.onResume();

        if (callback != null) {
            callback.loadDevices(true);
        }
    }

    @Override
    public void onDevicesLoaded(List<SimpleDevice> devices) {
        if (adapter != null) {
            if (devices != null) {
                adapter.clear();
                adapter.addAll(devices);
                adapter.notifyDataSetChanged();

                if (adapter.isEmpty()) {
                    empty.setText(R.string.no_devices);
                } else {
                    empty.setText(R.string.loading_devices);
                }
            } else {
                empty.setText(R.string.connection_error);
            }
        }
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
        if (callback != null) {
            Long publisherId;
            Long subscriberId;

            if (isSubscriptions) {
                publisherId = callback.getDeviceId(position);
                subscriberId = callback.getDeviceId();
            } else {
                publisherId = callback.getDeviceId();
                subscriberId = callback.getDeviceId(position);
            }

            startActivity(new Intent(getActivity(), Actions.class).putExtra(Actions.EXTRA_PUBLISHER, publisherId)
                    .putExtra(Actions.EXTRA_SUBSCRIBER, subscriberId));
        }
    }

    @Override
    public void onDevicesLoadMessage(String message) {
        adapter.clear();
        adapter.notifyDataSetChanged();
        empty.setText(message);
    }

}