CoffeeAppBHIF16/app/src/main/java/at/ac/perg/htl/bhif16/coffeeapp/DrinkAdapter.java

package at.ac.perg.htl.bhif16.coffeeapp;

import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;


import java.util.ArrayList;


public class DrinkAdapter extends ArrayAdapter<Student> {

    Context context;
    int layoutResourceId;
    int i;
    ArrayList<Student> students = new ArrayList<Student>();

    public DrinkAdapter(Context context, int layoutResourceId,
                          ArrayList<Student> studs) {
        super(context, layoutResourceId, studs);
        this.layoutResourceId = layoutResourceId;
        this.context = context;
        this.students = studs;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View item = convertView;
        StudentWrapper StudentWrapper = null;

        if (item == null) {
            LayoutInflater inflater = ((Activity) context).getLayoutInflater();
            item = inflater.inflate(layoutResourceId, parent, false);
            StudentWrapper = new StudentWrapper();
            StudentWrapper.name = (TextView) item.findViewById(R.id.listview_item_title);
            StudentWrapper.consumedDrinks = (TextView) item.findViewById(R.id.count_field);
            StudentWrapper.img = (ImageView) item.findViewById(R.id.listview_image);
            StudentWrapper.count = (Button) item.findViewById(R.id.count_btn);
            item.setTag(StudentWrapper);
        } else {
            StudentWrapper = (StudentWrapper) item.getTag();
        }

        final Student student = students.get(position);
        StudentWrapper.name.setText(student.getName());
        StudentWrapper.consumedDrinks.setId(student.getConsumedDrinks());
        StudentWrapper.img.setImageResource(student.getImage());


        final DrinkAdapter.StudentWrapper finalStudentWrapper = StudentWrapper;
        StudentWrapper.count.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

                finalStudentWrapper.consumedDrinks.setText(student.getConsumedDrinks()+"");
                student.setConsumedDrinks(student.getConsumedDrinks()+1);
            }
        });

        return item;

    }

    static class StudentWrapper {
        TextView name;
        TextView consumedDrinks;
        ImageView img;
        Button count;

    }

}