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Copyright (c) 2013, Expedia Affiliate Network All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that redistributions of sour...
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/* * Copyright (c) 2013, Expedia Affiliate Network * All rights reserved./*from w w w. java2 s . c om*/ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that redistributions of source code * retain the above copyright notice, these conditions, and the following * disclaimer. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are those * of the authors and should not be interpreted as representing official policies, * either expressed or implied, of the Expedia Affiliate Network or Expedia Inc. */ package com.ean.mobile.activity; import java.util.ArrayList; import java.util.Collections; import java.util.LinkedList; import java.util.List; import org.joda.time.LocalDate; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import android.app.Activity; import android.app.DatePickerDialog; import android.app.Dialog; import android.app.DialogFragment; import android.app.ProgressDialog; import android.content.Context; import android.content.Intent; import android.os.AsyncTask; import android.os.Bundle; import android.text.Editable; import android.text.TextWatcher; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.DatePicker; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.Spinner; import android.widget.TableLayout; import android.widget.TableRow; import android.widget.TextView; import com.ean.mobile.Destination; import com.ean.mobile.R; import com.ean.mobile.app.SampleApp; import com.ean.mobile.app.SampleConstants; import com.ean.mobile.exception.EanWsError; import com.ean.mobile.exception.UrlRedirectionException; import com.ean.mobile.hotel.request.ListRequest; import com.ean.mobile.request.RequestProcessor; import com.ean.mobile.task.SuggestionFactory; /** * The code behind the StartupSearch layout. */ public class StartupSearch extends Activity { private static final String DATE_FORMAT_STRING = "MM/dd/yyyy"; private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormat.forPattern(DATE_FORMAT_STRING); private static final List<Spinner> CHILD_AGE_SPINNERS = new LinkedList<Spinner>(); /** * {@inheritDoc} */ @Override public final void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.startupsearch); SampleApp.resetDates(); setUpDateButton(R.id.arrival_date_picker, SampleApp.arrivalDate); setUpDateButton(R.id.departure_date_picker, SampleApp.departureDate); final ArrayAdapter<Destination> suggestionAdapter = new DestinationSuggestionAdapter(getApplicationContext(), R.id.suggestionsView); final SearchBoxTextWatcher watcher = new SearchBoxTextWatcher(suggestionAdapter); final EditText searchBox = (EditText) findViewById(R.id.searchBox); searchBox.setOnKeyListener(new SearchBoxKeyListener()); searchBox.addTextChangedListener(watcher); final ListView suggestions = (ListView) findViewById(R.id.suggestionsView); suggestions.setAdapter(suggestionAdapter); suggestions.setOnItemClickListener(new SuggestionListAdapterClickListener(searchBox, watcher)); } private void setUpDateButton(final int resourceId, final LocalDate date) { final Button dateButton = (Button) findViewById(resourceId); dateButton.setText(DATE_TIME_FORMATTER.print(date)); } /** * (Event handler) Handles the clicks on either of the date dialogs. * @param view The view (button) that fired the event. */ public void showDatePickerDialog(final View view) { new DatePickerFragment(view.getId(), (Button) view).show(getFragmentManager(), "StartupSearchDatePicker"); } /** * (Event handler) Handles the events that cause the search to commence. * @param view The view parameter for the event handler. */ public void performSearch(final View view) { final EditText searchBox = (EditText) findViewById(R.id.searchBox); final String searchQuery = searchBox.getText().toString().trim(); final ProgressDialog searchingDialog = ProgressDialog.show(StartupSearch.this, "", getString(R.string.searching), true); SuggestionFactory.killSuggestDestinationTask(); SampleApp.clearSearch(); final Button arrivalDatePicker = (Button) findViewById(R.id.arrival_date_picker); final Button departureDatePicker = (Button) findViewById(R.id.departure_date_picker); final Spinner adultsSpinner = (Spinner) findViewById(R.id.adults_spinner); final List<Integer> childAges = new LinkedList<Integer>(); final TableLayout childAgesTable = (TableLayout) findViewById(R.id.child_ages_table); for (Spinner childAgeSpinner : CHILD_AGE_SPINNERS) { childAges.add(Integer.parseInt((String) childAgeSpinner.getSelectedItem())); } SampleApp.searchQuery = searchQuery; SampleApp.arrivalDate = DATE_TIME_FORMATTER.parseLocalDate(arrivalDatePicker.getText().toString()); SampleApp.departureDate = DATE_TIME_FORMATTER.parseLocalDate(departureDatePicker.getText().toString()); SampleApp.numberOfAdults = Integer.parseInt((String) adultsSpinner.getSelectedItem()); SampleApp.childAges = Collections.unmodifiableList(childAges); new PerformSearchTask(searchingDialog).execute((Void) null); } /** * (Event handler) Adds a child to the list. * @param view The button used to fire this event. */ public void addChildAge(final View view) { final TableLayout childAges = (TableLayout) findViewById(R.id.child_ages_table); final View childAgeSpinnerView = getLayoutInflater().inflate(R.layout.childagespinnerlayout, null); final TableRow childTableRow; if (childAges.getChildCount() == 0 || ((TableRow) childAges.getChildAt(childAges.getChildCount() - 1)).getChildCount() == 2) { childTableRow = new TableRow(StartupSearch.this); childAges.addView(childTableRow); } else { childTableRow = (TableRow) childAges.getChildAt(childAges.getChildCount() - 1); } final Spinner childAgeSpinner = (Spinner) childAgeSpinnerView.findViewById(R.id.child_age_spinner); CHILD_AGE_SPINNERS.add(childAgeSpinner); childAgeSpinner.setSelection(1); childAgeSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(final AdapterView<?> parent, final View view, final int position, final long id) { //parent is the spinner!! if (position == 0) { CHILD_AGE_SPINNERS.remove((Spinner) parent); ((TableRow) parent.getParent().getParent()).removeView((LinearLayout) parent.getParent()); } } @Override public void onNothingSelected(final AdapterView<?> parent) { // implemented for the interface. } }); childTableRow.addView(childAgeSpinnerView); } private final class PerformSearchTask extends AsyncTask<Void, Integer, Void> { private final ProgressDialog searchingDialog; private PerformSearchTask(final ProgressDialog searchingDialog) { this.searchingDialog = searchingDialog; } @Override protected Void doInBackground(final Void... voids) { try { final ListRequest request = new ListRequest( SampleApp.searchQuery, SampleApp.occupancy(), SampleApp.arrivalDate, SampleApp.departureDate); SampleApp.updateFoundHotels(RequestProcessor.run(request), true); } catch (EanWsError ewe) { // If this exception occurs, it's likely an input error and should be recoverable. Log.d(SampleConstants.LOG_TAG, "An APILevel Exception occurred.", ewe); } catch (UrlRedirectionException ure) { SampleApp.sendRedirectionToast(getApplicationContext()); } return null; } @Override protected void onPostExecute(final Void aVoid) { startActivity(new Intent(StartupSearch.this, HotelList.class)); try { searchingDialog.dismiss(); } catch (IllegalArgumentException iae) { // just ignore it... it's because the window rotated at an inopportune time. } } @Override protected void onCancelled() { searchingDialog.dismiss(); } } private static final class DatePickerFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener { private final int pickerId; private final Button pickerButton; public DatePickerFragment(final int pickerId, final Button pickerButton) { super(); this.pickerId = pickerId; this.pickerButton = pickerButton; } @Override public Dialog onCreateDialog(final Bundle savedInstanceState) { final LocalDate date; if (pickerId == R.id.arrival_date_picker) { date = SampleApp.arrivalDate; } else { date = SampleApp.departureDate; } return new DatePickerDialog( getActivity(), this, date.getYear(), date.getMonthOfYear() - 1, date.getDayOfMonth()); } @Override public void onDateSet(final DatePicker datePicker, final int year, final int monthOfYear, final int dayOfMonth) { final LocalDate chosenDate = new LocalDate(year, monthOfYear + 1, dayOfMonth); pickerButton.setText(DATE_TIME_FORMATTER.print(chosenDate)); switch(pickerId) { case R.id.arrival_date_picker: SampleApp.arrivalDate = chosenDate; break; case R.id.departure_date_picker: SampleApp.departureDate = chosenDate; break; default: break; } } } private static final class SuggestionListAdapterClickListener implements AdapterView.OnItemClickListener { private final EditText searchBox; private final TextWatcher textWatcher; public SuggestionListAdapterClickListener(final EditText searchBox, final TextWatcher textWatcher) { this.searchBox = searchBox; this.textWatcher = textWatcher; } public void onItemClick(final AdapterView<?> parent, final View view, final int position, final long id) { //replace the text in the search box with the string at position. final Destination selectedDestination = (Destination) parent.getItemAtPosition(position); //disable the text change listener. searchBox.removeTextChangedListener(textWatcher); //set the text. searchBox.setText(selectedDestination.name); //clear the suggestions final ArrayAdapter suggestionAdapter = (ArrayAdapter) parent.getAdapter(); suggestionAdapter.clear(); suggestionAdapter.notifyDataSetChanged(); //re-enable the change listener. searchBox.addTextChangedListener(textWatcher); } } private final class SearchBoxKeyListener implements View.OnKeyListener { public boolean onKey(final View v, final int keyCode, final KeyEvent event) { // Only hears hardware keys and enter per OnKeyListener's javadoc. // If the event is a key-down event on the "enter" button if (event.getAction() == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER) { // Perform action on key press performSearch(v); return true; } return false; } } private final class SearchBoxTextWatcher implements TextWatcher { private final ArrayAdapter<Destination> suggestionAdapter; private SearchBoxTextWatcher(final ArrayAdapter<Destination> suggestionAdapter) { this.suggestionAdapter = suggestionAdapter; } @Override public void beforeTextChanged(final CharSequence charSequence, final int i, final int i2, final int i3) { } @Override public void onTextChanged(final CharSequence charSequence, final int i, final int i2, final int i3) { } @Override public void afterTextChanged(final Editable editable) { SuggestionFactory.suggest(editable.toString(), suggestionAdapter); } } private static final class DestinationSuggestionAdapter extends ArrayAdapter<Destination> { private final LayoutInflater layoutInflater; private DestinationSuggestionAdapter(final Context context, final int resource) { super(context, resource, new ArrayList<Destination>()); layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); } /** * {@inheritDoc} */ @Override public View getView(final int position, final View convertView, final ViewGroup parent) { View view = convertView; if (view == null) { view = layoutInflater.inflate(R.layout.destinationlistlayout, null); } final Destination destination = this.getItem(position); //Set the name field final TextView name = (TextView) view.findViewById(R.id.destinationSuggestionName); name.setText(destination.name); return view; } } }