EditBillFragment.java

package com.ericliudeveloper.sharedbillhelper.ui.fragment;


import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;

import com.ericliudeveloper.sharedbillhelper.R;
import com.ericliudeveloper.sharedbillhelper.ui.dialog.MessageDialog;
import com.ericliudeveloper.sharedbillhelper.ui.presenter.EditBillPresenter;


/**
 * A simple {@link Fragment} subclass.
 */
public class EditBillFragment extends BaseFragment implements View.OnClickListener, EditBillPresenter.EditBillFace {

    EditBillPresenter mPresenter = new EditBillPresenter(this);

    private Spinner spType;
    private EditText etAmount;
    private CheckBox cbPaid;
    private TextView tvStartDate;
    private TextView tvEndDate;
    private TextView tvDueDate;

    private Button btStartDate;
    private Button btEndDate;
    private Button btDueDate;
    private String[] mSpinnerItemArray;

    public EditBillFragment() {
        // Required empty public constructor
    }


    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        // any Activity instance must be passed into Presenter in onAttach method
        mPresenter.setActivity(activity);
        mSpinnerItemArray = activity.getResources().getStringArray(
                R.array.bill_type_spinner_items);
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View root = inflater.inflate(R.layout.fragment_edit_bill, container, false);
        setupViews(root);
        mPresenter.refreshDisplayFromBillInstance();
        return root;
    }

    @Override
    public void onStart() {
        super.onStart();
        mPresenter.registerStickyEventBusListener();
    }

    @Override
    public void onStop() {
        super.onStop();
        mPresenter.unregisterEventBusListener();
    }

    private void setupViews(View rootView) {

        spType = (Spinner) rootView.findViewById(R.id.spType);
        etAmount = (EditText) rootView.findViewById(R.id.etAmount);
        cbPaid = (CheckBox) rootView.findViewById(R.id.cbPaid);
        btStartDate = (Button) rootView.findViewById(R.id.btStartDate);
        btEndDate = (Button) rootView.findViewById(R.id.btEndDate);
        btDueDate = (Button) rootView.findViewById(R.id.btDueDate);

        btStartDate.setOnClickListener(this);
        btEndDate.setOnClickListener(this);
        btDueDate.setOnClickListener(this);

        ArrayAdapter<CharSequence> adapter = new ArrayAdapter<CharSequence>(
                getActivity(), android.R.layout.simple_spinner_item,
                mSpinnerItemArray);
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

        spType.setAdapter(adapter);
    }


    @Override
    public void onClick(View v) {
        int id = v.getId();
        switch (id) {
            case R.id.btStartDate:
                mPresenter.onStartDateButtonClicked();
                break;

            case R.id.btEndDate:
                mPresenter.enEndDateButtonClicked();
                break;

            case R.id.btDueDate:
                mPresenter.onDueDateButtonClicked();
                break;


            default:
                break;
        }

    }


    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.menu_edit, menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        switch (id) {


            case R.id.action_done:
                mPresenter.startActionDone();
                return true;

            case R.id.action_cancel:
                mPresenter.startActionCancel();
                return true;

            default:
                break;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    public void showBillType(String type) {
        int position = 0;
        for (int i = 0; i < mSpinnerItemArray.length; i++) {
            if (type.equals(mSpinnerItemArray[i])) {
                position = i;
            }
        }
        spType.setSelection(position);
    }

    @Override
    public void showAmount(String amount) {
        etAmount.setText(amount);
    }

    @Override
    public void showPickedStartDate(String pickedDate) {
        btStartDate.setText(pickedDate);
    }

    @Override
    public void showPickedEndDate(String pickedDate) {
        btEndDate.setText(pickedDate);
    }

    @Override
    public void showPickedDueDate(String pickedDate) {
        btDueDate.setText(pickedDate);
    }

    @Override
    public void showIsPaid(boolean isPaid) {
        cbPaid.setChecked(isPaid);
    }

    @Override
    public String getBillTypeInput() {
        return spType.getSelectedItem().toString();
    }

    @Override
    public String getAmountInput() {
        return etAmount.getText().toString();
    }

    @Override
    public boolean getIsPaidInput() {
        return cbPaid.isChecked();
    }

    @Override
    public void showErrorDialog() {
        Bundle args = new Bundle();
        String title = getActivity().getResources()
                .getString(R.string.fields_empty);
        args.putString(MessageDialog.TITLE, title);

        String must_fill_fields_bill = getActivity().getResources()
                .getString(R.string.must_fill_fields_bill);
        args.putString(MessageDialog.MESSAGE, must_fill_fields_bill);
        MessageDialog messageDialog = MessageDialog
                .newInstance(args);
        messageDialog.show(getActivity().getFragmentManager(), "message");
    }
}