TextQueryActivity.java

package mil.nga.giat.asam;

import java.text.ParseException;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

import mil.nga.giat.asam.db.AsamDbHelper;
import mil.nga.giat.asam.map.AllAsamsMapActivity;
import mil.nga.giat.asam.model.SubregionTextParser;
import mil.nga.giat.asam.model.TextQueryParametersBean;
import mil.nga.giat.asam.util.AsamConstants;
import mil.nga.giat.asam.util.AsamLog;
import mil.nga.giat.asam.util.AsamUtils;
import mil.nga.giat.asam.util.CurrentSubregionHelper;
import android.app.DatePickerDialog;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager.LayoutParams;
import android.widget.ArrayAdapter;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;


public class TextQueryActivity extends ActionBarActivity {

    private static final int SUBREGION_SPINNER_EMPTY_POSITION = 0;
    private static final int SUBREGION_SPINNER_CURRENT_LOCATION_POSITION = 1;
    private EditText mDateFromUI;
    private EditText mDateToUI;
    private Spinner mSubregionSpinnerUI;
    private EditText mReferenceNumberYearUI;
    private EditText mReferenceNumberIdUI;
    private EditText mVictimUI;
    private EditText mAggressorUI;
    private CurrentSubregionHelper mCurrentSubregionHelper;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        AsamLog.i(TextQueryActivity.class.getName() + ":onCreate");
        setContentView(R.layout.text_query);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
                
        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.subregions, R.layout.subregion_spinner_item);
        adapter.setDropDownViewResource(R.layout.spinner_dropdown_item);
        mSubregionSpinnerUI = (Spinner)findViewById(R.id.text_query_subregion_spinner_ui);
        mSubregionSpinnerUI.setAdapter(adapter);
        
        mReferenceNumberYearUI = (EditText)findViewById(R.id.text_query_reference_number_year_edit_text_ui);
        mReferenceNumberIdUI = (EditText)findViewById(R.id.text_query_reference_number_id_edit_text_ui);
        
        mDateFromUI = (EditText)findViewById(R.id.text_query_date_from_edit_text_ui);
        mDateToUI = (EditText)findViewById(R.id.text_query_date_to_edit_text_ui);
        mVictimUI = (EditText)findViewById(R.id.text_query_victim_edit_text_ui);
        mAggressorUI = (EditText)findViewById(R.id.text_query_aggressor_edit_text_ui);
        
        mDateFromUI.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View view) {
                DatePickerDialog.OnDateSetListener listener;
                listener = new DatePickerDialog.OnDateSetListener() {
                    
                    @Override
                    public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                        GregorianCalendar calendar = new GregorianCalendar(year, monthOfYear, dayOfMonth);
                        mDateFromUI.setText(AsamDbHelper.TEXT_QUERY_DATE_FORMAT.format(calendar.getTime()));
                    }
                };
                Calendar calendar = Calendar.getInstance();
                if (mDateFromUI != null && !AsamUtils.isEmpty(mDateFromUI.getText().toString())) {
                    try {
                        Date date = AsamDbHelper.TEXT_QUERY_DATE_FORMAT.parse(mDateFromUI.getText().toString());
                        calendar.setTime(date);
                    }
                    catch (ParseException caught) {} // ignore.
                }
                int year = calendar.get(Calendar.YEAR);
                int month = calendar.get(Calendar.MONTH);
                int day = calendar.get(Calendar.DAY_OF_MONTH);
                DatePickerDialog dialog = new DatePickerDialog(TextQueryActivity.this,  listener,  year, month, day);
                dialog.show();
            }
        });
        
        mDateToUI.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View view) {
                DatePickerDialog.OnDateSetListener listener;
                listener = new DatePickerDialog.OnDateSetListener() {
                    
                    @Override
                    public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                        GregorianCalendar calendar = new GregorianCalendar(year, monthOfYear, dayOfMonth);
                        mDateToUI.setText(AsamDbHelper.TEXT_QUERY_DATE_FORMAT.format(calendar.getTime()));
                    }
                };
                Calendar calendar = Calendar.getInstance();
                if (mDateToUI != null && !AsamUtils.isEmpty(mDateToUI.getText().toString())) {
                    try {
                        Date date = AsamDbHelper.TEXT_QUERY_DATE_FORMAT.parse(mDateToUI.getText().toString());
                        calendar.setTime(date);
                    }
                    catch (ParseException caught) {} // ignore.
                }
                int year = calendar.get(Calendar.YEAR);
                int month = calendar.get(Calendar.MONTH);
                int day = calendar.get(Calendar.DAY_OF_MONTH);
                DatePickerDialog dialog = new DatePickerDialog(TextQueryActivity.this,  listener,  year, month, day);
                dialog.show();
            }
        });

        mCurrentSubregionHelper = new CurrentSubregionHelper(this, new SubregionTextParser().parseSubregions(this));
    }
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.text_query_menu, menu);
        return super.onCreateOptionsMenu(menu);
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int itemId = item.getItemId();
        if (itemId == android.R.id.home) {
            finish();
            return true;
        }
        else if (itemId == R.id.text_query_menu_query_ui) {
            showQueryOnMap();
            return true;
        }
        else if (itemId == R.id.text_query_menu_reset_ui) {
            clearFields();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
    
    public void queryButtonClicked(View view) {
        showQueryOnMap();
    }
    
    public void clearButtonClicked(View view) {
        clearFields();
    }
    
    private void showQueryOnMap() {
        TextQueryParametersBean parameters = new TextQueryParametersBean();
        parameters.mDateFrom = mDateFromUI.getText().toString();
        parameters.mDateTo = mDateToUI.getText().toString();
        if (mSubregionSpinnerUI.getSelectedItemPosition() == SUBREGION_SPINNER_CURRENT_LOCATION_POSITION) {
            parameters.mSubregion = mCurrentSubregionHelper.getCurrentSubregion() + "";
        }
        else if (mSubregionSpinnerUI.getSelectedItemPosition() != SUBREGION_SPINNER_EMPTY_POSITION) {
            parameters.mSubregion = ((String)mSubregionSpinnerUI.getSelectedItem()).split(" ")[1]; // Looks like "Subregion 32".
        }
        parameters.mAggressor = mAggressorUI.getText().toString();
        parameters.mVictim = mVictimUI.getText().toString();
        if (!AsamUtils.isEmpty(mReferenceNumberYearUI.getText().toString()) && !AsamUtils.isEmpty(mReferenceNumberIdUI.getText().toString())) {
            parameters.mReferenceNumber = mReferenceNumberYearUI.getText().toString() + "-" + mReferenceNumberIdUI.getText().toString();
        }
        
        Intent intent = new Intent(this, AllAsamsMapActivity.class);
        intent.putExtra(AsamConstants.QUERY_TYPE_KEY, AsamConstants.TEXT_QUERY);
        intent.putExtra(AsamConstants.TEXT_QUERY_PARAMETERS_KEY, parameters);
        startActivity(intent);
    }
    
    private void clearFields() {
        mSubregionSpinnerUI.setSelection(SUBREGION_SPINNER_EMPTY_POSITION);
        mDateFromUI.setText("");
        mDateToUI.setText("");
        mVictimUI.setText("");
        mAggressorUI.setText("");
        mReferenceNumberYearUI.setText("");
        mReferenceNumberIdUI.setText("");
    }
}