com.example.android.xyztouristattractions.ui.ToursListFragment.java Source code

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Here is the source code for com.example.android.xyztouristattractions.ui.ToursListFragment.java

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/*
 * Copyright 2015 Google Inc. All rights reserved.
 *
 * 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.example.android.xyztouristattractions.ui;

import android.app.TaskStackBuilder;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.app.Fragment;
import android.support.v4.app.NavUtils;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.bumptech.glide.load.engine.DiskCacheStrategy;
import com.example.android.xyztouristattractions.R;
import com.example.android.xyztouristattractions.common.Attraction;
import com.example.android.xyztouristattractions.common.Constants;
import com.example.android.xyztouristattractions.common.Utils;
import com.google.android.gms.maps.model.LatLng;

import java.util.List;
import java.util.Map;

import static com.example.android.xyztouristattractions.provider.TouristAttractions.ATTRACTIONS;

/**
 * The tourist attraction detail fragment which contains the details of a
 * a single attraction (contained inside
 * {@link ToursListActivity}).
 */
public class ToursListFragment extends Fragment {

    private static final String EXTRA_ATTRACTION = "attraction";
    private Attraction mAttraction;

    public static ToursListFragment createInstance(String attractionName) {
        ToursListFragment detailFragment = new ToursListFragment();
        Bundle bundle = new Bundle();
        bundle.putString(EXTRA_ATTRACTION, attractionName);
        detailFragment.setArguments(bundle);
        return detailFragment;
    }

    public ToursListFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        setHasOptionsMenu(true);
        View view = inflater.inflate(R.layout.parc_detail, container, false);
        String attractionName = getArguments().getString(EXTRA_ATTRACTION);
        mAttraction = findAttraction(attractionName);

        if (mAttraction == null) {
            getActivity().finish();
            return null;
        }

        TextView nameTextView = (TextView) view.findViewById(R.id.nameTextView);
        TextView descTextView = (TextView) view.findViewById(R.id.descriptionTextView);
        TextView numeriUtiliTextView = (TextView) view.findViewById(R.id.numeriUtiliTextView);
        TextView distanceTextView = (TextView) view.findViewById(R.id.distanceTextView);
        ImageView imageView = (ImageView) view.findViewById(R.id.imageView);
        FloatingActionButton mapFab = (FloatingActionButton) view.findViewById(R.id.mapFab);

        LatLng location = Utils.getLocation(getActivity());
        String distance = Utils.formatDistanceBetween(location, mAttraction.location);
        if (TextUtils.isEmpty(distance)) {
            distanceTextView.setVisibility(View.GONE);
        }

        nameTextView.setText(attractionName);
        distanceTextView.setText(distance);
        numeriUtiliTextView.setText(mAttraction.numeriUtili);
        descTextView.setText(mAttraction.longDescription);

        int imageSize = getResources().getDimensionPixelSize(R.dimen.image_size) * Constants.IMAGE_ANIM_MULTIPLIER;
        Glide.with(getActivity()).load(mAttraction.secondaryImageUrl).diskCacheStrategy(DiskCacheStrategy.SOURCE)
                .placeholder(R.color.lighter_gray).override(imageSize, imageSize).into(imageView);

        mapFab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Intent.ACTION_VIEW);
                intent.setData(Uri.parse(Constants.MAPS_INTENT_URI + Uri.encode(mAttraction.city)));
                startActivity(intent);
            }
        });

        return view;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            // Some small additions to handle "up" navigation correctly
            Intent upIntent = NavUtils.getParentActivityIntent(getActivity());
            upIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);

            // Check if up activity needs to be created (usually when
            // detail screen is opened from a notification or from the
            // Wearable app
            if (NavUtils.shouldUpRecreateTask(getActivity(), upIntent) || getActivity().isTaskRoot()) {

                // Synthesize parent stack
                TaskStackBuilder.create(getActivity()).addNextIntentWithParentStack(upIntent).startActivities();
            }

            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                // On Lollipop+ we finish so to run the nice animation
                getActivity().finishAfterTransition();
                return true;
            }

            // Otherwise let the system handle navigating "up"
            return false;
        }
        return super.onOptionsItemSelected(item);
    }

    /**
     * Really hacky loop for finding attraction in our static content provider.
     * Obviously would not be used in a production app.
     */
    private Attraction findAttraction(String attractionName) {
        for (Map.Entry<String, List<Attraction>> attractionsList : ATTRACTIONS.entrySet()) {
            List<Attraction> attractions = attractionsList.getValue();
            for (Attraction attraction : attractions) {
                if (attractionName.equals(attraction.name)) {
                    return attraction;
                }
            }
        }
        return null;
    }
}