Android EditText

Adapter.java

import android.content.Context;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Filter;
import android.widget.Filterable;
import android.widget.TextView;
import android.widget.Toast;

import com.tiacgroup.sfa.R;
import com.tiacgroup.sfa.model.Roba;

import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;

public class TipskoTrebovanjeAdapter extends ArrayAdapter<TipskoTrebovanjeFragment.StavkeHelper> implements Filterable {

    private List<TipskoTrebovanjeFragment.StavkeHelper> listaStavki;
    private List<TipskoTrebovanjeFragment.StavkeHelper> filteredListaStavki;
    private Filter listFilter;
    private Context mContext;
    private TipskoTrebovanjeFragment fragment;

    public TipskoTrebovanjeAdapter(Context context, List<TipskoTrebovanjeFragment.StavkeHelper> values, TipskoTrebovanjeFragment fragment) {
        super(context, R.layout.tipsko_trebovanje_item, values);
        this.mContext = context;
        this.listaStavki = values;
        this.filteredListaStavki = values;
        this.fragment = fragment;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent){
        ViewHolder vh;
        TipskoTrebovanjeFragment.StavkeHelper stavkaHelper = listaStavki.get(position);

        if (convertView == null) {
            LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            convertView = inflater.inflate(R.layout.tipsko_trebovanje_item, parent, false);

            vh = new ViewHolder();
            vh.tvNazivRobe = (TextView) convertView.findViewById(R.id.tv_tipsko_trebovanje_proizvod);
            //setup edittext views
            vh.etPonedeljaKolicina = (EditText) convertView.findViewById(R.id.et_tipsko_trebovanje_ponedeljak);
//            vh.etPonedeljaKolicina.setSelectAllOnFocus(true);

            vh.etUtoraKolicina = (EditText) convertView.findViewById(R.id.et_tipsko_trebovanje_utorak);
//            vh.etUtoraKolicina.setSelectAllOnFocus(true);

            vh.etSredaKolicina = (EditText) convertView.findViewById(R.id.et_tipsko_trebovanje_sreda);
//            vh.etSredaKolicina.setSelectAllOnFocus(true);

            vh.etCetvrtaKolicina = (EditText) convertView.findViewById(R.id.et_tipsko_trebovanje_cetvrtak);
//            vh.etCetvrtaKolicina.setSelectAllOnFocus(true);

            vh.etPetaKolicina = (EditText) convertView.findViewById(R.id.et_tipsko_trebovanje_petak);
//            vh.etPetaKolicina.setSelectAllOnFocus(true);

            vh.etSubotaKolicina = (EditText) convertView.findViewById(R.id.et_tipsko_trebovanje_subota);
//            vh.etSubotaKolicina.setSelectAllOnFocus(true);

            vh.etNedeljaKolicina = (EditText) convertView.findViewById(R.id.et_tipsko_trebovanje_nedelja);
//            vh.etNedeljaKolicina.setSelectAllOnFocus(true);

            //set new listeners
            setListeners(vh, stavkaHelper);

            convertView.setTag(vh);
        } else {
            vh = (ViewHolder) convertView.getTag();
        }

        // Remove any existing TextWatcher that will be keyed to the wrong ListItem
        if (vh.twPon != null) {
            resetListeners(vh, stavkaHelper);
        }

        //set values
        vh.tvNazivRobe.setText(stavkaHelper.getVarijantaRobe().getSifraRobe().getNazivRobe());
        double[] kolicinePoDanima = stavkaHelper.getKolicinePoDanima();
        vh.etPonedeljaKolicina.setText(Double.toString(kolicinePoDanima[0]));
        vh.etUtoraKolicina.setText(Double.toString(kolicinePoDanima[1]));
        vh.etSredaKolicina.setText(Double.toString(kolicinePoDanima[2]));
        vh.etCetvrtaKolicina.setText(Double.toString(kolicinePoDanima[3]));
        vh.etPetaKolicina.setText(Double.toString(kolicinePoDanima[4]));
        vh.etSubotaKolicina.setText(Double.toString(kolicinePoDanima[5]));
        vh.etNedeljaKolicina.setText(Double.toString(kolicinePoDanima[6]));

        return convertView;
    }

    @Override
    public Filter getFilter(){
        if(listFilter == null){
            listFilter = new StavkeFilter();
        }
        return listFilter;
    }

    private class StavkeFilter extends Filter {
        @Override
        protected FilterResults performFiltering(CharSequence constraint) {
            FilterResults oReturn = new FilterResults();
            ArrayList<TipskoTrebovanjeFragment.StavkeHelper> results = new ArrayList<>(filteredListaStavki);
//            ArrayList<StavkeHelper> results = new ArrayList<>(listaStavki);
            String input = constraint.toString().toLowerCase();

            if (input == null || input.trim().length() == 0){
                oReturn.values = results;
                oReturn.count = results.size();

            } else {
                final ArrayList<TipskoTrebovanjeFragment.StavkeHelper> nlist = new ArrayList<>();
                int count = results.size();

                for (int i = 0; i < count; i++){
                    final TipskoTrebovanjeFragment.StavkeHelper stavkaHelper = results.get(i);
                    final String value = stavkaHelper.getVarijantaRobe().getSifraRobe().getNazivRobe().toLowerCase();

                    if (value.contains(input)){
                        nlist.add(stavkaHelper);
                    }
                    oReturn.values = nlist;
                    oReturn.count = nlist.size();
                }
            }
            return oReturn;
        }

        @SuppressWarnings("unchecked")
        @Override
        protected void publishResults(CharSequence constraint,
                                      FilterResults results) {
            listaStavki = (ArrayList<TipskoTrebovanjeFragment.StavkeHelper>) results.values;
            notifyDataSetChanged();
        }
    }

    public void resetList(List<TipskoTrebovanjeFragment.StavkeHelper> resetList) {
        clear();
        this.listaStavki = resetList;
        this.filteredListaStavki = resetList;
        notifyDataSetChanged();
    }

    public void notifyDataSetChanged() {
        super.notifyDataSetChanged();
    }

    @Override
    public int getCount() {
        return listaStavki.size();
    }

    @Override
    public TipskoTrebovanjeFragment.StavkeHelper getItem(int position) {
        return listaStavki.get(position);
    }

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

    private void setListeners(ViewHolder vh, TipskoTrebovanjeFragment.StavkeHelper stavkaNedeljniGroup){
        TextWatcher tw;

        tw = new GenericTextWatcher(vh.etPonedeljaKolicina, stavkaNedeljniGroup);
        vh.etPonedeljaKolicina.addTextChangedListener(tw);
        vh.twPon = tw;
        setOtherListeners(vh.etPonedeljaKolicina);

        tw = new GenericTextWatcher(vh.etUtoraKolicina, stavkaNedeljniGroup);
        vh.etUtoraKolicina.addTextChangedListener(tw);
        vh.twUto = tw;
        setOtherListeners(vh.etUtoraKolicina);

        tw = new GenericTextWatcher(vh.etSredaKolicina, stavkaNedeljniGroup);
        vh.etSredaKolicina.addTextChangedListener(tw);
        vh.twSre = tw;
        setOtherListeners(vh.etSredaKolicina);

        tw = new GenericTextWatcher(vh.etCetvrtaKolicina, stavkaNedeljniGroup);
        vh.etCetvrtaKolicina.addTextChangedListener(tw);
        vh.twCet = tw;
        setOtherListeners(vh.etCetvrtaKolicina);

        tw = new GenericTextWatcher(vh.etPetaKolicina, stavkaNedeljniGroup);
        vh.etPetaKolicina.addTextChangedListener(tw);
        vh.twPet = tw;
        setOtherListeners(vh.etPetaKolicina);

        tw = new GenericTextWatcher(vh.etSubotaKolicina, stavkaNedeljniGroup);
        vh.etSubotaKolicina.addTextChangedListener(tw);
        vh.twSub = tw;
        setOtherListeners(vh.etSubotaKolicina);

        tw = new GenericTextWatcher(vh.etNedeljaKolicina, stavkaNedeljniGroup);
        vh.etNedeljaKolicina.addTextChangedListener(tw);
        vh.twNed = tw;
        setOtherListeners(vh.etNedeljaKolicina);
    }

    private void setOtherListeners(final EditText editText) {
        editText.setSelectAllOnFocus(true);
        editText.setCursorVisible(false);

        editText.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View view, MotionEvent event) {
                switch (event.getAction()) {
                    case MotionEvent.ACTION_DOWN:
                        view.requestFocus();
                        break;
                }
                return false;
            }
        });

        editText.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                ((EditText) v).selectAll();
            }
        });
        editText.setOnKeyListener(new View.OnKeyListener() {
            @Override
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                if (keyCode == KeyEvent.KEYCODE_ENTER) {
                    if (event.getAction() == KeyEvent.ACTION_UP) {
                        InputMethodManager imm = (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
                    }
                }
                return false;
            }
        });
        editText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (!hasFocus) {
                    double amount = Double.parseDouble(((EditText)v).getText().toString());
                    DecimalFormat df = new DecimalFormat("0.0");
                    String result = df.format(amount);
                    ((EditText)v).setText(result);
                }
            }
        });
    }

    private void resetListeners(ViewHolder vh, TipskoTrebovanjeFragment.StavkeHelper stavkaNedeljniGroup) {
        vh.etPonedeljaKolicina.removeTextChangedListener(vh.twPon);
        vh.etUtoraKolicina.removeTextChangedListener(vh.twUto);
        vh.etSredaKolicina.removeTextChangedListener(vh.twSre);
        vh.etCetvrtaKolicina.removeTextChangedListener(vh.twCet);
        vh.etPetaKolicina.removeTextChangedListener(vh.twPet);
        vh.etSubotaKolicina.removeTextChangedListener(vh.twSub);
        vh.etNedeljaKolicina.removeTextChangedListener(vh.twNed);

        setListeners(vh, stavkaNedeljniGroup);
    }

    private class GenericTextWatcher implements TextWatcher {

        private View view;
        private TipskoTrebovanjeFragment.StavkeHelper stavkaGroup;
        private double prethodnaKolicina;

        private GenericTextWatcher(View view, TipskoTrebovanjeFragment.StavkeHelper stavkaGroup) {
            this.view = view;
            this.stavkaGroup = stavkaGroup;
        }

        public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
            try {
//                if (charSequence.equals("")) {
//                    charSequence = "0.00";
//                }
                prethodnaKolicina = Double.parseDouble(charSequence.toString());
            } catch (NumberFormatException e) {
//                fileLogger.error(Sinhronizacija.logHeader + e.getMessage(), e);
                return;
            }
        }

        public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {}

        public void afterTextChanged(Editable editable) {
            String text = editable.toString();
            double unetaKolicina;

            if ("".equals(text.trim())) {
                unetaKolicina = 0;
            } else {
                try {
                    unetaKolicina = Double.parseDouble(text.trim());

                    Roba roba = stavkaGroup.getVarijantaRobe().getSifraRobe();
                    if (roba != null && roba.getJedinicaMere().getSifraJediniceMere().toLowerCase().contains("kom") && (unetaKolicina - (int)unetaKolicina) > 0) {
                        unetaKolicina = Math.floor(unetaKolicina);
                        ((EditText)view).removeTextChangedListener(this);

                        DecimalFormat df = new DecimalFormat("0.0");
                        String result = df.format(unetaKolicina);
                        ((EditText)view).setText(result);

                        ((EditText)view).addTextChangedListener(this);
                    }
                } catch (NumberFormatException e) {
//                    fileLogger.error(Sinhronizacija.logHeader + e.getMessage(), e);
                    Toast.makeText(mContext, R.string.pogresan_format_kolicine, Toast.LENGTH_SHORT).show();
                    return;
                }
            }
//            view.setBackgroundColor(mContext.getResources().getColor(R.color.status_partnera_zuta));

            int i = getViewPostition(view);
            if (unetaKolicina != prethodnaKolicina) {
                stavkaGroup.getKolicinePoDanima()[i-1] = unetaKolicina;
                //azuriraj porudzbenicu za taj dan
                fragment.azurirajPorudzbenicu(i, stavkaGroup);
            }
        }
    }

    private int getViewPostition(View view) {
        int i = 0;
        switch(view.getId()){
            case R.id.et_tipsko_trebovanje_ponedeljak:
                i = 1;
                break;
            case R.id.et_tipsko_trebovanje_utorak:
                i = 2;
                break;
            case R.id.et_tipsko_trebovanje_sreda:
                i = 3;
                break;
            case R.id.et_tipsko_trebovanje_cetvrtak:
                i = 4;
                break;
            case R.id.et_tipsko_trebovanje_petak:
                i = 5;
                break;
            case R.id.et_tipsko_trebovanje_subota:
                i = 6;
                break;
            case R.id.et_tipsko_trebovanje_nedelja:
                i = 7;
                break;
        }
        return i;
    }

    private static class ViewHolder {
        public TextView tvNazivRobe;
        public EditText etPonedeljaKolicina;
        public EditText etUtoraKolicina;
        public EditText etSredaKolicina;
        public EditText etCetvrtaKolicina;
        public EditText etPetaKolicina;
        public EditText etSubotaKolicina;
        public EditText etNedeljaKolicina;

        public TextWatcher twPon;
        public TextWatcher twUto;
        public TextWatcher twSre;
        public TextWatcher twCet;
        public TextWatcher twPet;
        public TextWatcher twSub;
        public TextWatcher twNed;
    }
}