import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.PopupMenu;
import android.widget.Toast;

import java.io.File;
import java.util.ArrayList;

public class CustomAdapter extends BaseAdapter{
    MainActivity mainActivity = new MainActivity();
        private int my_pos;

    Context context;
    ArrayList<Uri> imageUri = new ArrayList<>();
    private  LayoutInflater inflater;

    public CustomAdapter(MainActivity mainActivity, ArrayList<Uri> prgmImages, LayoutInflater inflaterMain) {
        context = mainActivity;
        imageUri = prgmImages;
        inflater = inflaterMain;
    }
    @Override
    public int getCount() {
        return imageUri.size();
    }

    @Override
    public Object getItem(int position) {
        return position;
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    public class Holder
    {
        ImageView img;
    }
    public  void showPopupMenu(View v) {
        PopupMenu popupMenu = new PopupMenu(context,v);
        popupMenu.inflate(R.menu.popup_menu);


        popupMenu
                .setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {

                    @Override
                    public boolean onMenuItemClick(MenuItem item) {
                        // Toast.makeText(PopupMenuDemoActivity.this,
                        // item.toString(), Toast.LENGTH_LONG).show();
                        // return true;
                        switch (item.getItemId()) {

                            case R.id.menu1:
                                Toast.makeText(context,
                                        String.valueOf(my_pos),
                                        Toast.LENGTH_SHORT).show();
                                mainActivity.deletePhoto(my_pos);
                                return true;
                            default:
                                return false;
                        }
                    }
                });

        popupMenu.setOnDismissListener(new PopupMenu.OnDismissListener() {

            @Override
            public void onDismiss(PopupMenu menu) {
                Toast.makeText(context, "onDismiss",
                        Toast.LENGTH_SHORT).show();
            }
        });
        popupMenu.show();
    }
    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
        final Holder holder = new Holder();
        View rowView;

        rowView = inflater.inflate(R.layout.simple_list_item_1,null);
        holder.img=(ImageView) rowView.findViewById(R.id.previewImageView);

        File picture = new File(String.valueOf(imageUri.get(position)));
        if (picture.exists()) {
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inSampleSize = 4;
            Bitmap myBitmap = BitmapFactory.decodeFile(picture.getAbsolutePath(), options);
            holder.img.setImageBitmap(myBitmap);
        }

        rowView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                MainActivity.changePhoto(position);
            }
        });


        View.OnLongClickListener listener = new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View v) {
                showPopupMenu(v);
                my_pos = position;
                return true;
            }
        };

        rowView.setOnLongClickListener(listener);

        return rowView;
    }


}