com.teamltt.carcare.fragment.GraphFragment.java Source code

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Here is the source code for com.teamltt.carcare.fragment.GraphFragment.java

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/*
 * Copyright 2017, Team LTT
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.teamltt.carcare.fragment;

import android.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.jjoe64.graphview.series.DataPoint;
import com.jjoe64.graphview.series.LineGraphSeries;
import com.teamltt.carcare.R;
import com.teamltt.carcare.database.IObservable;

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

/**
 * A fragment representing a list of Items.
 * <p/>
 * Activities containing this fragment MUST implement the {@link OnGraphFragmentInteractionListener}
 * interface.
 */
public class GraphFragment extends Fragment {

    private static final String ARG_COLUMN_COUNT = "column-count";
    private int mColumnCount = 1;
    private OnGraphFragmentInteractionListener mListener;

    private final Handler mHandler = new Handler();
    private Runnable mTimer1;
    private LineGraphSeries<DataPoint> mSeries1;

    /**
     * Mandatory empty constructor for the fragment manager to instantiate the
     * fragment (e.g. upon screen orientation changes).
     */
    public GraphFragment() {
    }

    @SuppressWarnings("unused")
    public static GraphFragment newInstance(int columnCount, int rowCount) {
        GraphFragment fragment = new GraphFragment();
        Bundle args = new Bundle();
        args.putInt(ARG_COLUMN_COUNT, columnCount);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        if (getArguments() != null) {
            mColumnCount = getArguments().getInt(ARG_COLUMN_COUNT);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_graph_list, container, false);

        // Set the adapter
        if (view instanceof RecyclerView) {
            Context context = view.getContext();
            RecyclerView recyclerView = (RecyclerView) view;
            if (mColumnCount <= 1) {
                recyclerView.setLayoutManager(new LinearLayoutManager(context));
            } else {
                recyclerView.setLayoutManager(new GridLayoutManager(context, mColumnCount));
            }

            // TODO get list of parameter identifiers here
            List<String> pIds = new ArrayList<>();
            // TODO get the IObservable database connection (from btService.getObservable())
            IObservable observable = null;
            recyclerView.setAdapter(new MyGraphAdapter(mListener, observable, getActivity()));
        }
        return view;
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof OnGraphFragmentInteractionListener) {
            mListener = (OnGraphFragmentInteractionListener) context;
        } else {
            throw new RuntimeException(context.toString() + " must implement OnListFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    /**
     * This interface must be implemented by activities that contain this
     * fragment to allow an interaction in this fragment to be communicated
     * to the activity and potentially other fragments contained in that
     * activity.
     * <p/>
     * See the Android Training lesson <a href=
     * "http://developer.android.com/training/basics/fragments/communicating.html"
     * >Communicating with Other Fragments</a> for more information.
     */
    public interface OnGraphFragmentInteractionListener {
        void onGraphFragmentInteraction(String pId);
    }
}