/*
* Copyright (C) 2009 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.odk.collect.android.widgets;
import android.annotation.SuppressLint;
import android.content.Context;
import android.os.Build;
import android.view.Gravity;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.CalendarView;
import android.widget.DatePicker;
import android.widget.HorizontalScrollView;
import android.widget.LinearLayout;
import android.widget.TimePicker;
import org.javarosa.core.model.data.DateTimeData;
import org.javarosa.core.model.data.IAnswerData;
import org.javarosa.form.api.FormEntryPrompt;
import org.joda.time.DateTime;
import org.odk.collect.android.application.Collect;
import java.lang.reflect.Field;
import java.util.Calendar;
import java.util.Date;
/**
* Displays a DatePicker widget. DateWidget handles leap years and does not allow dates that do not
* exist.
*
* @author Carl Hartung (carlhartung@gmail.com)
* @author Yaw Anokwa (yanokwa@gmail.com)
*/
public class DateTimeWidget extends QuestionWidget {
private DatePicker mDatePicker;
private TimePicker mTimePicker;
private DatePicker.OnDateChangedListener mDateListener;
private boolean hideDay = false;
private boolean hideMonth = false;
private boolean showCalendar = false;
private HorizontalScrollView scrollView = null;
public DateTimeWidget(Context context, FormEntryPrompt prompt) {
super(context, prompt);
mDatePicker = new DatePicker(getContext());
mDatePicker.setId(QuestionWidget.newUniqueId());
mDatePicker.setFocusable(!prompt.isReadOnly());
mDatePicker.setEnabled(!prompt.isReadOnly());
mTimePicker = new TimePicker(getContext());
mTimePicker.setId(QuestionWidget.newUniqueId());
mTimePicker.setFocusable(!prompt.isReadOnly());
mTimePicker.setEnabled(!prompt.isReadOnly());
mTimePicker.setPadding(0, 20, 0, 0);
String clockType =
android.provider.Settings.System.getString(context.getContentResolver(),
android.provider.Settings.System.TIME_12_24);
if (clockType == null || clockType.equalsIgnoreCase("24")) {
mTimePicker.setIs24HourView(true);
}
hideDayFieldIfNotInFormat(prompt);
mDateListener = new DatePicker.OnDateChangedListener() {
@Override
public void onDateChanged(DatePicker view, int year, int month, int day) {
if (mPrompt.isReadOnly()) {
setAnswer();
} else {
// handle leap years and number of days in month
// TODO
// http://code.google.com/p/android/issues/detail?id=2081
// in older versions of android (1.6ish) the datepicker lets you pick bad dates
// in newer versions, calling updateDate() calls onDatechangedListener(), causing an
// endless loop.
Calendar c = Calendar.getInstance();
c.set(year, month, 1);
int max = c.getActualMaximum(Calendar.DAY_OF_MONTH);
if (day > max) {
if (! (mDatePicker.getDayOfMonth()==day && mDatePicker.getMonth()==month && mDatePicker.getYear()==year) ) {
Collect.getInstance().getActivityLogger().logInstanceAction(DateTimeWidget.this, "onDateChanged",
String.format("%1$04d-%2$02d-%3$02d",year, month, max), mPrompt.getIndex());
mDatePicker.updateDate(year, month, max);
}
} else {
if (! (mDatePicker.getDayOfMonth()==day && mDatePicker.getMonth()==month && mDatePicker.getYear()==year) ) {
Collect.getInstance().getActivityLogger().logInstanceAction(DateTimeWidget.this, "onDateChanged",
String.format("%1$04d-%2$02d-%3$02d",year, month, day), mPrompt.getIndex());
mDatePicker.updateDate(year, month, day);
}
}
}
}
};
mTimePicker.setOnTimeChangedListener(new TimePicker.OnTimeChangedListener() {
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
Collect.getInstance().getActivityLogger().logInstanceAction(DateTimeWidget.this, "onTimeChanged",
String.format("%1$02d:%2$02d",hourOfDay, minute), mPrompt.getIndex());
}
});
setGravity(Gravity.LEFT);
if ( showCalendar ) {
scrollView = new HorizontalScrollView(context);
LinearLayout ll = new LinearLayout(context);
ll.setGravity(Gravity.CENTER);
ll.addView(mDatePicker);
ll.addView(mTimePicker);
ll.setPadding(10, 10, 10, 10);
scrollView.addView(ll);
addView(scrollView);
} else {
addView(mDatePicker);
addView(mTimePicker);
}
// If there's an answer, use it.
setAnswer();
}
/**
* Shared between DateWidget and DateTimeWidget.
* There are extra appearance settings that do not apply for dateTime...
* TODO: move this into utilities or base class?
*
* @param prompt
*/
@SuppressLint("NewApi")
private void hideDayFieldIfNotInFormat(FormEntryPrompt prompt) {
String appearance = prompt.getQuestion().getAppearanceAttr();
if ( appearance == null ) {
if ( Build.VERSION.SDK_INT >= 11 ) {
showCalendar = true;
this.mDatePicker.setCalendarViewShown(true);
if ( Build.VERSION.SDK_INT >= 12 ) {
CalendarView cv = this.mDatePicker.getCalendarView();
cv.setShowWeekNumber(false);
}
this.mDatePicker.setSpinnersShown(true);
hideDay = true;
hideMonth = false;
} else {
return;
}
} else if ( "month-year".equals(appearance) ) {
hideDay = true;
if ( Build.VERSION.SDK_INT >= 11 ) {
this.mDatePicker.setCalendarViewShown(false);
this.mDatePicker.setSpinnersShown(true);
}
} else if ( "year".equals(appearance) ) {
hideMonth = true;
if ( Build.VERSION.SDK_INT >= 11 ) {
this.mDatePicker.setCalendarViewShown(false);
this.mDatePicker.setSpinnersShown(true);
}
} else if ("no-calendar".equals(appearance) ) {
if ( Build.VERSION.SDK_INT >= 11 ) {
this.mDatePicker.setCalendarViewShown(false);
this.mDatePicker.setSpinnersShown(true);
}
} else {
if ( Build.VERSION.SDK_INT >= 11 ) {
showCalendar = true;
this.mDatePicker.setCalendarViewShown(true);
if ( Build.VERSION.SDK_INT >= 12 ) {
CalendarView cv = this.mDatePicker.getCalendarView();
cv.setShowWeekNumber(false);
}
this.mDatePicker.setSpinnersShown(true);
hideDay = true;
hideMonth = false;
}
}
if ( hideMonth || hideDay ) {
for (Field datePickerDialogField : this.mDatePicker.getClass().getDeclaredFields()) {
if ("mDayPicker".equals(datePickerDialogField.getName()) ||
"mDaySpinner".equals(datePickerDialogField.getName())) {
datePickerDialogField.setAccessible(true);
Object dayPicker = new Object();
try {
dayPicker = datePickerDialogField.get(this.mDatePicker);
} catch (Exception e) {
e.printStackTrace();
}
((View) dayPicker).setVisibility(View.GONE);
}
if ( hideMonth ) {
if ("mMonthPicker".equals(datePickerDialogField.getName()) ||
"mMonthSpinner".equals(datePickerDialogField.getName())) {
datePickerDialogField.setAccessible(true);
Object monthPicker = new Object();
try {
monthPicker = datePickerDialogField.get(this.mDatePicker);
} catch (Exception e) {
e.printStackTrace();
}
((View) monthPicker).setVisibility(View.GONE);
}
}
}
}
}
private void setAnswer() {
if (mPrompt.getAnswerValue() != null) {
DateTime ldt =
new DateTime(
((Date) ((DateTimeData) mPrompt.getAnswerValue()).getValue()).getTime());
mDatePicker.init(ldt.getYear(), ldt.getMonthOfYear() - 1, ldt.getDayOfMonth(),
mDateListener);
mTimePicker.setCurrentHour(ldt.getHourOfDay());
mTimePicker.setCurrentMinute(ldt.getMinuteOfHour());
} else {
// create time widget with current time as of right now
clearAnswer();
}
}
@Override
public boolean forceSetAnswer(Object answer) {
if (!(answer instanceof DateTime)) {
return false;
}
DateTime typedAnswer = (DateTime) answer;
mDatePicker.init(
typedAnswer.getYear(),
typedAnswer.getMonthOfYear() - 1,
typedAnswer.getDayOfMonth(),
mDateListener);
mTimePicker.setCurrentHour(typedAnswer.getHourOfDay());
mTimePicker.setCurrentMinute(typedAnswer.getMinuteOfHour());
return true;
}
/**
* Resets date to today.
*/
@Override
public void clearAnswer() {
DateTime ldt = new DateTime();
mDatePicker.init(ldt.getYear(), ldt.getMonthOfYear() - 1, ldt.getDayOfMonth(),
mDateListener);
mTimePicker.setCurrentHour(ldt.getHourOfDay());
mTimePicker.setCurrentMinute(ldt.getMinuteOfHour());
}
@Override
public IAnswerData getAnswer() {
if ( showCalendar ) {
scrollView.clearChildFocus(mDatePicker);
}
clearFocus();
DateTime ldt =
new DateTime(mDatePicker.getYear(), mDatePicker.getMonth() + 1,
mDatePicker.getDayOfMonth(), mTimePicker.getCurrentHour(),
mTimePicker.getCurrentMinute(), 0);
//DateTime utc = ldt.withZone(DateTimeZone.forID("UTC"));
return new DateTimeData(ldt.toDate());
}
@Override
public void setFocus(Context context) {
// Hide the soft keyboard if it's showing.
InputMethodManager inputManager =
(InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
inputManager.hideSoftInputFromWindow(this.getWindowToken(), 0);
}
@Override
public void setOnLongClickListener(OnLongClickListener l) {
mDatePicker.setOnLongClickListener(l);
mTimePicker.setOnLongClickListener(l);
}
@Override
public void cancelLongPress() {
super.cancelLongPress();
mDatePicker.cancelLongPress();
mTimePicker.cancelLongPress();
}
}