/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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 com.android.contacts.editor;
import com.android.contacts.R;
import com.android.contacts.datepicker.DatePicker;
import com.android.contacts.datepicker.DatePickerDialog;
import com.android.contacts.datepicker.DatePickerDialog.OnDateSetListener;
import com.android.contacts.model.AccountType.EditField;
import com.android.contacts.model.AccountType.EventEditType;
import com.android.contacts.model.DataKind;
import com.android.contacts.model.EntityDelta;
import com.android.contacts.model.EntityDelta.ValuesDelta;
import com.android.contacts.util.DateUtils;
import android.app.Dialog;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.Resources;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Button;
import java.text.ParsePosition;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
/**
* Editor that allows editing Events using a {@link DatePickerDialog}
*/
public class EventFieldEditorView extends LabeledEditorView {
/**
* Exchange requires 8:00 for birthdays
*/
private final static int DEFAULT_HOUR = 8;
/**
* Default string to show when there is no date selected yet.
*/
private String mNoDateString;
private int mPrimaryTextColor;
private int mSecondaryTextColor;
private Button mDateView;
public EventFieldEditorView(Context context) {
super(context);
}
public EventFieldEditorView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public EventFieldEditorView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
/** {@inheritDoc} */
@Override
protected void onFinishInflate() {
super.onFinishInflate();
Resources resources = mContext.getResources();
mPrimaryTextColor = resources.getColor(R.color.primary_text_color);
mSecondaryTextColor = resources.getColor(R.color.secondary_text_color);
mNoDateString = mContext.getString(R.string.event_edit_field_hint_text);
mDateView = (Button) findViewById(R.id.date_view);
mDateView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
showDialog(R.id.dialog_event_date_picker);
}
});
}
@Override
protected void requestFocusForFirstEditField() {
mDateView.requestFocus();
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
mDateView.setEnabled(!isReadOnly() && enabled);
}
@Override
public void setValues(DataKind kind, ValuesDelta entry, EntityDelta state, boolean readOnly,
ViewIdGenerator vig) {
if (kind.fieldList.size() != 1) throw new IllegalStateException("kind must have 1 field");
super.setValues(kind, entry, state, readOnly, vig);
mDateView.setEnabled(isEnabled() && !readOnly);
rebuildDateView();
}
private void rebuildDateView() {
final EditField editField = getKind().fieldList.get(0);
final String column = editField.column;
String data = DateUtils.formatDate(getContext(), getEntry().getAsString(column));
if (TextUtils.isEmpty(data)) {
mDateView.setText(mNoDateString);
mDateView.setTextColor(mSecondaryTextColor);
setDeleteButtonVisible(false);
} else {
mDateView.setText(data);
mDateView.setTextColor(mPrimaryTextColor);
setDeleteButtonVisible(true);
}
}
@Override
public boolean isEmpty() {
return TextUtils.isEmpty(mDateView.getText());
}
@Override
public Dialog createDialog(Bundle bundle) {
if (bundle == null) throw new IllegalArgumentException("bundle must not be null");
int dialogId = bundle.getInt(DIALOG_ID_KEY);
switch (dialogId) {
case R.id.dialog_event_date_picker:
return createDatePickerDialog();
default:
return super.createDialog(bundle);
}
}
@Override
protected EventEditType getType() {
return (EventEditType) super.getType();
}
@Override
protected void onLabelRebuilt() {
// if we changed to a type that requires a year, ensure that it is actually set
final String column = getKind().fieldList.get(0).column;
final String oldValue = getEntry().getAsString(column);
final DataKind kind = getKind();
final Calendar calendar = Calendar.getInstance(DateUtils.UTC_TIMEZONE, Locale.US);
final int defaultYear = calendar.get(Calendar.YEAR);
// Check whether the year is optional
final boolean isYearOptional = getType().isYearOptional();
if (!isYearOptional && !TextUtils.isEmpty(oldValue)) {
final ParsePosition position = new ParsePosition(0);
final Date date2 = kind.dateFormatWithoutYear.parse(oldValue, position);
// Don't understand the date, lets not change it
if (date2 == null) return;
// This value is missing the year. Add it now
calendar.setTime(date2);
calendar.set(defaultYear, calendar.get(Calendar.MONTH),
calendar.get(Calendar.DAY_OF_MONTH), DEFAULT_HOUR, 0, 0);
onFieldChanged(column, kind.dateFormatWithYear.format(calendar.getTime()));
rebuildDateView();
}
}
/**
* Prepare dialog for entering a date
*/
private Dialog createDatePickerDialog() {
final String column = getKind().fieldList.get(0).column;
final String oldValue = getEntry().getAsString(column);
final DataKind kind = getKind();
final Calendar calendar = Calendar.getInstance(DateUtils.UTC_TIMEZONE, Locale.US);
final int defaultYear = calendar.get(Calendar.YEAR);
// Check whether the year is optional
final boolean isYearOptional = getType().isYearOptional();
final int oldYear, oldMonth, oldDay;
if (TextUtils.isEmpty(oldValue)) {
// Default to January first, 30 years ago
oldYear = defaultYear;
oldMonth = 0;
oldDay = 1;
} else {
final ParsePosition position = new ParsePosition(0);
// Try parsing with year
Date date1 = kind.dateFormatWithYear.parse(oldValue, position);
if (date1 == null) {
// If that format does not fit, try guessing the right format
date1 = DateUtils.parseDate(oldValue);
}
if (date1 != null) {
calendar.setTime(date1);
oldYear = calendar.get(Calendar.YEAR);
oldMonth = calendar.get(Calendar.MONTH);
oldDay = calendar.get(Calendar.DAY_OF_MONTH);
} else {
final Date date2 = kind.dateFormatWithoutYear.parse(oldValue, position);
// Don't understand the date, lets not change it
if (date2 == null) return null;
calendar.setTime(date2);
oldYear = isYearOptional ? 0 : defaultYear;
oldMonth = calendar.get(Calendar.MONTH);
oldDay = calendar.get(Calendar.DAY_OF_MONTH);
}
}
final OnDateSetListener callBack = new OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
if (year == 0 && !isYearOptional) throw new IllegalStateException();
final Calendar outCalendar =
Calendar.getInstance(DateUtils.UTC_TIMEZONE, Locale.US);
// If no year specified, set it to 1900. The format string will ignore that year
// For formats other than Exchange, the time of the day is ignored
outCalendar.clear();
outCalendar.set(year == 0 ? 1900 : year, monthOfYear, dayOfMonth,
DEFAULT_HOUR, 0, 0);
final String resultString;
if (year == 0) {
resultString = kind.dateFormatWithoutYear.format(outCalendar.getTime());
} else {
resultString = kind.dateFormatWithYear.format(outCalendar.getTime());
}
onFieldChanged(column, resultString);
rebuildDateView();
}
};
final DatePickerDialog resultDialog = new DatePickerDialog(getContext(), callBack,
oldYear, oldMonth, oldDay, isYearOptional);
return resultDialog;
}
/**
* @return Default hour which should be used for birthday field.
*/
public static int getDefaultHourForBirthday() {
return DEFAULT_HOUR;
}
@Override
public void clearAllFields() {
// Update UI
mDateView.setText(mNoDateString);
mDateView.setTextColor(mSecondaryTextColor);
// Update state
final String column = getKind().fieldList.get(0).column;
onFieldChanged(column, "");
}
}