Smarthome App #11: Übersicht der Sensoren

private View overview;

//RecyclerView
private RecyclerView.Adapter overviewAdapter;
private LinearLayoutManager llm;
private ArrayList<OverviewItem> overviewItems;
private RecyclerView overviewArray;

private String name, location;
private ArrayList<RoomItem> valueList;

public OverviewItem(String name, String location, ArrayList<RoomItem> valueList){
    this.name = name;
    this.location = location;
    this.valueList = valueList;
}

/**
 * Gibt den Namen des Items zurück
 * @return
 */
public String getName(){
    return name;
}

/**
 * Gibt die Location des Items zurück
 * @return
 */
public String getLocation(){
    return location;
}

/**
 * Gibt die RoomItems zurück
 * @return
 */
public ArrayList<RoomItem> getValueList(){
    return valueList;
}

android:id="@+id/frame"
android:background="@color/layoutBackground"

<android.support.v7.widget.RecyclerView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/overview_list"></android.support.v7.widget.RecyclerView>

<include
    layout="@layout/loading_animation"
    android:visibility="gone"
    android:id="@+id/loading_animation" />

<android.support.v7.widget.CardView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    app:cardElevation="@dimen/cardViewElevation"
    app:cardCornerRadius="@dimen/cardViewCornerRadius"
    app:cardUseCompatPadding="true"
    android:id="@+id/container">

</android.support.v7.widget.CardView>

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="@dimen/recyclerItemHeight">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:layout_centerInParent="true"
        android:layout_margin="3dp">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:id="@+id/icon"
            android:layout_gravity="center"
            android:layout_weight="2"/>

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:id="@+id/name"
            android:layout_gravity="center"
            android:textColor="@color/textColorDark"
            android:gravity="center_vertical|center_horizontal"
            android:layout_weight="3"/>

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:id="@+id/value"
            android:layout_gravity="center"
            android:textColor="@color/textColorDark"
            android:gravity="center_vertical|center_horizontal"
            android:layout_weight="3"/>

    </LinearLayout>

</RelativeLayout>

// Inflate the layout for this fragment
overview = inflater.inflate(R.layout.fragment_overview, container, false);

overviewArray = (RecyclerView) overview.findViewById(R.id.overview_list);
overviewArray.setHasFixedSize(true);
llm = new LinearLayoutManager(getContext());
llm.setOrientation(LinearLayoutManager.VERTICAL);
overviewArray.setLayoutManager(llm);

loadRoomData();

return overview;

/**
 * Lädt die Sensoren des Raumes
 */
public void loadRoomData(){
    overview.findViewById(R.id.loading_animation).setVisibility(View.VISIBLE);

    final Map<String, String> requestData = new HashMap<>();
    requestData.put("action", "getsensordata");
    requestData.put("username", SaveData.getUsername(getContext()));
    requestData.put("password", SaveData.getPassword(getContext()));
    requestData.put("room", "all");

    HTTPRequest.sendRequest(getContext(), requestData, SaveData.getServerIp(getContext()), new HTTPRequest.HTTPRequestCallback() {
        @Override
        public void onRequestResult(String result) {
            overview.findViewById(R.id.loading_animation).setVisibility(View.GONE);

            if(result.equals("wrongdata")){
                Dialogs.fehlermeldung("Anmeldung nicht möglich!\nBitte logge dich erneut ein.", overview.findViewById(R.id.frame));
            }
            else if(result.equals("unknownuser")){
                Dialogs.fehlermeldung("Dieser Benutzer existiert nicht.\nBitte logge dich erneut ein.", overview.findViewById(R.id.frame));
            }
            else{
                try{
                    JSONObject jsonObject = null;
                    try{
                        jsonObject = new JSONObject(result);
                    }catch (JSONException e){
                        e.printStackTrace();
                    }

                    overviewItems = new ArrayList<>();

                    JSONArray overviewItemArray = jsonObject.getJSONArray("values");

                    for(int i = 0; i < overviewItemArray.length(); i++){
                        JSONObject o = overviewItemArray.getJSONObject(i);

                        ArrayList<RoomItem> valueList = new ArrayList<>();

                        JSONArray valueArray = o.getJSONArray("value_array");

                        for(int j = 0; j < valueArray.length(); j++){
                            JSONObject v = valueArray.getJSONObject(j);

                            valueList.add(new RoomItem(v.getString("shortform"), v.getString("id"),
                                    v.getString("icon"), v.getString("device_type"), "sensor",
                                    v.getString("wert"),
                                    o.getString("location")));
                        }

                        overviewItems.add(new OverviewItem(o.getString("name"), o.getString("location"), valueList));
                    }

                    //Adapter setzen
                    overviewAdapter = new OverviewAdapter(overviewItems, getActivity(), getContext(),
                            overview.findViewById(R.id.frame));
                    overviewArray.setAdapter(overviewAdapter);
                    overviewAdapter.notifyDataSetChanged();

                }catch (JSONException e){
                    e.printStackTrace();
                }
            }
        }

        @Override
        public void onError(String msg) {
            overview.findViewById(R.id.loading_animation).setVisibility(View.GONE);
            Dialogs.fehlermeldung(msg, overview.findViewById(R.id.frame));
        }
    });
}

private int lastPosition = -1;

private ArrayList<OverviewItem> overviewItems;
private Activity activity;
private Context context;
private View view;

public OverviewAdapter(ArrayList<OverviewItem> overviewItems, Activity activity, Context context, View view){
    this.overviewItems = overviewItems;
    this.activity = activity;
    this.context = context;
    this.view = view;
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginBottom="5dp"
    android:layout_marginTop="5dp"
    android:id="@+id/container">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:id="@+id/title"
        android:layout_marginLeft="15dp"
        android:layout_marginTop="5dp"/>

    <android.support.v7.widget.RecyclerView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/value_list"></android.support.v7.widget.RecyclerView>

    <include
        layout="@layout/empty_item"
        android:visibility="gone"
        android:id="@+id/empty_item"/>

</LinearLayout>

public class HorizontalRoomAdapter extends RoomAdapter {

    public HorizontalRoomAdapter(ArrayList<RoomItem> roomItems, Activity activity, Context context, View view){
        super(roomItems, activity, context, view);
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int i){
        final RoomItem ri = getRoomItems().get(i);
        final SensorViewHolder sensorViewHolder = (SensorViewHolder) holder;
        sensorViewHolder.icon.setImageResource(Icons.getDeviceIcon(ri.getIcon()));
        sensorViewHolder.value.setText(ri.getValue());
        sensorViewHolder.name.setText(ri.getName());

        sensorViewHolder.container.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                RoomControl.showOverview(getActivity(), ri, ri.getRoom());
            }
        });
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType){
        View itemView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.value_item_horizontal, viewGroup, false);
        return new SensorViewHolder(itemView);
    }

    @Override
    public int getItemViewType(int position){
        return VIEW_TYPE_SENSOR;
    }
}

/**
 * Gibt die RoomItems zurück
 * @return
 */
public ArrayList<RoomItem> getRoomItems(){
    return roomItems;
}

/**
 * Gibt die Activity zurück
 * @return
 */
public Activity getActivity(){
    return activity;
}

@Override
public int getItemCount(){
    return overviewItems.size();
}

@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int i){
    if(holder instanceof OverviewHolder){
        final OverviewItem oi = overviewItems.get(i);
        final OverviewHolder overviewHolder = (OverviewHolder) holder;
        overviewHolder.name.setText(oi.getName());

        //Adapter setzen
        RoomAdapter valueAdapter = new HorizontalRoomAdapter(oi.getValueList(), activity, context, view);
        overviewHolder.valueArray.setAdapter(valueAdapter);
        valueAdapter.notifyDataSetChanged();

        if(oi.getValueList().isEmpty()){
            overviewHolder.valueArray.setVisibility(View.GONE);

            overviewHolder.container.findViewById(R.id.empty_item).setVisibility(View.VISIBLE);
            ((ImageView) overviewHolder.container.findViewById(R.id.empty_icon)).setImageResource(Icons.getRoomIcon(oi.getLocation()));
            ((TextView) overviewHolder.container.findViewById(R.id.empty_title)).setText("Raum leer");
            ((TextView) overviewHolder.container.findViewById(R.id.empty_info)).setText("Diesem Raum wurden noch keine Sensoren hinzugefügt.");
        }

        setAnimation(overviewHolder.container, i);
    }
}

private void setAnimation(View viewToAnimate, int position){
    if(position > lastPosition){
        Animation animation = AnimationUtils.loadAnimation(context, R.anim.recycler_animation);
        viewToAnimate.startAnimation(animation);
        lastPosition = position;
    }
}

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType){
    View itemView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.overview_item, viewGroup,false);
    return new OverviewHolder(itemView);
}

public class OverviewHolder extends RecyclerView.ViewHolder{
    protected TextView name;
    protected RecyclerView valueArray;
    protected View container;

    public OverviewHolder(View v){
        super(v);
        container = v.findViewById(R.id.container);
        name = (TextView) v.findViewById(R.id.title);
        valueArray = (RecyclerView) v.findViewById(R.id.value_list);

        valueArray.setHasFixedSize(true);
        LinearLayoutManager llm = new LinearLayoutManager(context);
        llm.setOrientation(LinearLayoutManager.HORIZONTAL);
        valueArray.setLayoutManager(llm);
    }
}