mMDT5_GreenWatch/app/src/main/java/com/example/greenwatch/adapters/DeviceListAdapter.java

package com.example.greenwatch.adapters;

import android.graphics.Color;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.example.greenwatch.R;
import com.example.greenwatch.models.Device;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class DeviceListAdapter extends RecyclerView.Adapter<DeviceListAdapter.DeviceListHolder> {
    private List<Device> devices = new ArrayList<>();


    @NonNull
    @Override
    public DeviceListHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View itemView = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.device_item, parent, false);
        return new DeviceListHolder(itemView);
    }

    @Override
    public void onBindViewHolder(@NonNull DeviceListHolder holder, int position) {
        Device currentDevice = devices.get(position);
        holder.textViewSensorType.setText(holder.itemView.getContext().getString(R.string.sensor_type_placeholder, currentDevice.getSensorType()));
        holder.textViewDeviceID.setText(holder.itemView.getContext().getString(R.string.deviceID_placeholder, currentDevice.getDeviceID()));
        holder.textViewTimeStamp.setText(holder.itemView.getContext().getString(R.string.sensor_time_stamp_placeholder, currentDevice.getTimeStamp()));
        holder.textViewSensorMessage.setText(holder.itemView.getContext().getString(R.string.sensor_message_placeholder, currentDevice.getSensorMassage()));
        holder.setDeviceSensorStatus(currentDevice);
    }

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

    public void setDevices(List<Device> devices) {
        this.devices = devices;
        Collections.sort(this.devices, new Comparator<Device>() {

            @Override
            public int compare(Device device1, Device device2) {
                if (device1.getSensorStatus() && !device2.getSensorStatus()) {
                    return -1;
                } else if (!device1.getSensorStatus() && device2.getSensorStatus()) {
                    return 1;
                } else {
                    return 0;
                }
            }
        });
        notifyDataSetChanged();
    }

    class DeviceListHolder extends RecyclerView.ViewHolder {
        private TextView textViewSensorType;
        private TextView textViewSensorStatus;
        private TextView textViewDeviceID;
        private TextView textViewTimeStamp;
        private TextView textViewSensorMessage;

        public DeviceListHolder(View itemView) {
            super(itemView);
            textViewSensorType = (TextView) itemView.findViewById(R.id.tvDeviceSensorType);
            textViewSensorStatus = (TextView) itemView.findViewById(R.id.tvDeviceSensorStatus);
            textViewDeviceID = (TextView) itemView.findViewById(R.id.tvDeviceID);
            textViewTimeStamp = (TextView) itemView.findViewById(R.id.tvDeviceTimeStamp);
            textViewSensorMessage = (TextView) itemView.findViewById(R.id.tvDeviceSensorMassage);
        }

        public void setDeviceSensorStatus(Device device) {
            if (device.getSensorStatus()) {
                textViewSensorStatus.setText(itemView.getContext().getString(R.string.sensor_status_placeholder, "AN"));
                itemView.setBackgroundColor(Color.RED);
            }
            else {
                textViewSensorStatus.setText(itemView.getContext().getString(R.string.sensor_status_placeholder, "AUS"));
                itemView.setBackgroundColor(Color.WHITE);
            }
        }
    }
}