/*
* 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 android.widget;
import com.android.internal.R;
import android.annotation.AttrRes;
import android.annotation.ColorInt;
import android.annotation.DrawableRes;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.StyleRes;
import android.annotation.Widget;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.icu.util.Calendar;
import android.icu.util.TimeZone;
import android.util.AttributeSet;
import android.util.Log;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
/**
* This class is a calendar widget for displaying and selecting dates. The
* range of dates supported by this calendar is configurable.
* <p>
* The exact appearance and interaction model of this widget may vary between
* OS versions and themes (e.g. Holo versus Material), but in general a user
* can select a date by tapping on it and can scroll or fling the calendar to a
* desired date.
*
* @attr ref android.R.styleable#CalendarView_showWeekNumber
* @attr ref android.R.styleable#CalendarView_firstDayOfWeek
* @attr ref android.R.styleable#CalendarView_minDate
* @attr ref android.R.styleable#CalendarView_maxDate
* @attr ref android.R.styleable#CalendarView_shownWeekCount
* @attr ref android.R.styleable#CalendarView_selectedWeekBackgroundColor
* @attr ref android.R.styleable#CalendarView_focusedMonthDateColor
* @attr ref android.R.styleable#CalendarView_unfocusedMonthDateColor
* @attr ref android.R.styleable#CalendarView_weekNumberColor
* @attr ref android.R.styleable#CalendarView_weekSeparatorLineColor
* @attr ref android.R.styleable#CalendarView_selectedDateVerticalBar
* @attr ref android.R.styleable#CalendarView_weekDayTextAppearance
* @attr ref android.R.styleable#CalendarView_dateTextAppearance
*/
@Widget
public class CalendarView extends FrameLayout {
private static final String LOG_TAG = "CalendarView";
private static final int MODE_HOLO = 0;
private static final int MODE_MATERIAL = 1;
private final CalendarViewDelegate mDelegate;
/**
* The callback used to indicate the user changes the date.
*/
public interface OnDateChangeListener {
/**
* Called upon change of the selected day.
*
* @param view The view associated with this listener.
* @param year The year that was set.
* @param month The month that was set [0-11].
* @param dayOfMonth The day of the month that was set.
*/
void onSelectedDayChange(@NonNull CalendarView view, int year, int month, int dayOfMonth);
}
public CalendarView(@NonNull Context context) {
this(context, null);
}
public CalendarView(@NonNull Context context, @Nullable AttributeSet attrs) {
this(context, attrs, R.attr.calendarViewStyle);
}
public CalendarView(@NonNull Context context, @Nullable AttributeSet attrs,
@AttrRes int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public CalendarView(@NonNull Context context, @Nullable AttributeSet attrs,
@AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
final TypedArray a = context.obtainStyledAttributes(
attrs, R.styleable.CalendarView, defStyleAttr, defStyleRes);
final int mode = a.getInt(R.styleable.CalendarView_calendarViewMode, MODE_HOLO);
a.recycle();
switch (mode) {
case MODE_HOLO:
mDelegate = new CalendarViewLegacyDelegate(
this, context, attrs, defStyleAttr, defStyleRes);
break;
case MODE_MATERIAL:
mDelegate = new CalendarViewMaterialDelegate(
this, context, attrs, defStyleAttr, defStyleRes);
break;
default:
throw new IllegalArgumentException("invalid calendarViewMode attribute");
}
}
/**
* Sets the number of weeks to be shown.
*
* @param count The shown week count.
*
* @attr ref android.R.styleable#CalendarView_shownWeekCount
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public void setShownWeekCount(int count) {
mDelegate.setShownWeekCount(count);
}
/**
* Gets the number of weeks to be shown.
*
* @return The shown week count.
*
* @attr ref android.R.styleable#CalendarView_shownWeekCount
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public int getShownWeekCount() {
return mDelegate.getShownWeekCount();
}
/**
* Sets the background color for the selected week.
*
* @param color The week background color.
*
* @attr ref android.R.styleable#CalendarView_selectedWeekBackgroundColor
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public void setSelectedWeekBackgroundColor(@ColorInt int color) {
mDelegate.setSelectedWeekBackgroundColor(color);
}
/**
* Gets the background color for the selected week.
*
* @return The week background color.
*
* @attr ref android.R.styleable#CalendarView_selectedWeekBackgroundColor
* @deprecated No longer used by Material-style CalendarView.
*/
@ColorInt
@Deprecated
public int getSelectedWeekBackgroundColor() {
return mDelegate.getSelectedWeekBackgroundColor();
}
/**
* Sets the color for the dates of the focused month.
*
* @param color The focused month date color.
*
* @attr ref android.R.styleable#CalendarView_focusedMonthDateColor
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public void setFocusedMonthDateColor(@ColorInt int color) {
mDelegate.setFocusedMonthDateColor(color);
}
/**
* Gets the color for the dates in the focused month.
*
* @return The focused month date color.
*
* @attr ref android.R.styleable#CalendarView_focusedMonthDateColor
* @deprecated No longer used by Material-style CalendarView.
*/
@ColorInt
@Deprecated
public int getFocusedMonthDateColor() {
return mDelegate.getFocusedMonthDateColor();
}
/**
* Sets the color for the dates of a not focused month.
*
* @param color A not focused month date color.
*
* @attr ref android.R.styleable#CalendarView_unfocusedMonthDateColor
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public void setUnfocusedMonthDateColor(@ColorInt int color) {
mDelegate.setUnfocusedMonthDateColor(color);
}
/**
* Gets the color for the dates in a not focused month.
*
* @return A not focused month date color.
*
* @attr ref android.R.styleable#CalendarView_unfocusedMonthDateColor
* @deprecated No longer used by Material-style CalendarView.
*/
@ColorInt
@Deprecated
public int getUnfocusedMonthDateColor() {
return mDelegate.getUnfocusedMonthDateColor();
}
/**
* Sets the color for the week numbers.
*
* @param color The week number color.
*
* @attr ref android.R.styleable#CalendarView_weekNumberColor
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public void setWeekNumberColor(@ColorInt int color) {
mDelegate.setWeekNumberColor(color);
}
/**
* Gets the color for the week numbers.
*
* @return The week number color.
*
* @attr ref android.R.styleable#CalendarView_weekNumberColor
* @deprecated No longer used by Material-style CalendarView.
*/
@ColorInt
@Deprecated
public int getWeekNumberColor() {
return mDelegate.getWeekNumberColor();
}
/**
* Sets the color for the separator line between weeks.
*
* @param color The week separator color.
*
* @attr ref android.R.styleable#CalendarView_weekSeparatorLineColor
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public void setWeekSeparatorLineColor(@ColorInt int color) {
mDelegate.setWeekSeparatorLineColor(color);
}
/**
* Gets the color for the separator line between weeks.
*
* @return The week separator color.
*
* @attr ref android.R.styleable#CalendarView_weekSeparatorLineColor
* @deprecated No longer used by Material-style CalendarView.
*/
@ColorInt
@Deprecated
public int getWeekSeparatorLineColor() {
return mDelegate.getWeekSeparatorLineColor();
}
/**
* Sets the drawable for the vertical bar shown at the beginning and at
* the end of the selected date.
*
* @param resourceId The vertical bar drawable resource id.
*
* @attr ref android.R.styleable#CalendarView_selectedDateVerticalBar
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public void setSelectedDateVerticalBar(@DrawableRes int resourceId) {
mDelegate.setSelectedDateVerticalBar(resourceId);
}
/**
* Sets the drawable for the vertical bar shown at the beginning and at
* the end of the selected date.
*
* @param drawable The vertical bar drawable.
*
* @attr ref android.R.styleable#CalendarView_selectedDateVerticalBar
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public void setSelectedDateVerticalBar(Drawable drawable) {
mDelegate.setSelectedDateVerticalBar(drawable);
}
/**
* Gets the drawable for the vertical bar shown at the beginning and at
* the end of the selected date.
*
* @return The vertical bar drawable.
* @deprecated No longer used by Material-style CalendarView.
*/
@Deprecated
public Drawable getSelectedDateVerticalBar() {
return mDelegate.getSelectedDateVerticalBar();
}
/**
* Sets the text appearance for the week day abbreviation of the calendar header.
*
* @param resourceId The text appearance resource id.
*
* @attr ref android.R.styleable#CalendarView_weekDayTextAppearance
*/
public void setWeekDayTextAppearance(@StyleRes int resourceId) {
mDelegate.setWeekDayTextAppearance(resourceId);
}
/**
* Gets the text appearance for the week day abbreviation of the calendar header.
*
* @return The text appearance resource id.
*
* @attr ref android.R.styleable#CalendarView_weekDayTextAppearance
*/
public @StyleRes int getWeekDayTextAppearance() {
return mDelegate.getWeekDayTextAppearance();
}
/**
* Sets the text appearance for the calendar dates.
*
* @param resourceId The text appearance resource id.
*
* @attr ref android.R.styleable#CalendarView_dateTextAppearance
*/
public void setDateTextAppearance(@StyleRes int resourceId) {
mDelegate.setDateTextAppearance(resourceId);
}
/**
* Gets the text appearance for the calendar dates.
*
* @return The text appearance resource id.
*
* @attr ref android.R.styleable#CalendarView_dateTextAppearance
*/
public @StyleRes int getDateTextAppearance() {
return mDelegate.getDateTextAppearance();
}
/**
* Gets the minimal date supported by this {@link CalendarView} in milliseconds
* since January 1, 1970 00:00:00 in {@link TimeZone#getDefault()} time
* zone.
* <p>
* Note: The default minimal date is 01/01/1900.
* <p>
*
* @return The minimal supported date.
*
* @attr ref android.R.styleable#CalendarView_minDate
*/
public long getMinDate() {
return mDelegate.getMinDate();
}
/**
* Sets the minimal date supported by this {@link CalendarView} in milliseconds
* since January 1, 1970 00:00:00 in {@link TimeZone#getDefault()} time
* zone.
*
* @param minDate The minimal supported date.
*
* @attr ref android.R.styleable#CalendarView_minDate
*/
public void setMinDate(long minDate) {
mDelegate.setMinDate(minDate);
}
/**
* Gets the maximal date supported by this {@link CalendarView} in milliseconds
* since January 1, 1970 00:00:00 in {@link TimeZone#getDefault()} time
* zone.
* <p>
* Note: The default maximal date is 01/01/2100.
* <p>
*
* @return The maximal supported date.
*
* @attr ref android.R.styleable#CalendarView_maxDate
*/
public long getMaxDate() {
return mDelegate.getMaxDate();
}
/**
* Sets the maximal date supported by this {@link CalendarView} in milliseconds
* since January 1, 1970 00:00:00 in {@link TimeZone#getDefault()} time
* zone.
*
* @param maxDate The maximal supported date.
*
* @attr ref android.R.styleable#CalendarView_maxDate
*/
public void setMaxDate(long maxDate) {
mDelegate.setMaxDate(maxDate);
}
/**
* Sets whether to show the week number.
*
* @param showWeekNumber True to show the week number.
* @deprecated No longer used by Material-style CalendarView.
*
* @attr ref android.R.styleable#CalendarView_showWeekNumber
*/
@Deprecated
public void setShowWeekNumber(boolean showWeekNumber) {
mDelegate.setShowWeekNumber(showWeekNumber);
}
/**
* Gets whether to show the week number.
*
* @return True if showing the week number.
* @deprecated No longer used by Material-style CalendarView.
*
* @attr ref android.R.styleable#CalendarView_showWeekNumber
*/
@Deprecated
public boolean getShowWeekNumber() {
return mDelegate.getShowWeekNumber();
}
/**
* Gets the first day of week.
*
* @return The first day of the week conforming to the {@link CalendarView}
* APIs.
* @see Calendar#MONDAY
* @see Calendar#TUESDAY
* @see Calendar#WEDNESDAY
* @see Calendar#THURSDAY
* @see Calendar#FRIDAY
* @see Calendar#SATURDAY
* @see Calendar#SUNDAY
*
* @attr ref android.R.styleable#CalendarView_firstDayOfWeek
*/
public int getFirstDayOfWeek() {
return mDelegate.getFirstDayOfWeek();
}
/**
* Sets the first day of week.
*
* @param firstDayOfWeek The first day of the week conforming to the
* {@link CalendarView} APIs.
* @see Calendar#MONDAY
* @see Calendar#TUESDAY
* @see Calendar#WEDNESDAY
* @see Calendar#THURSDAY
* @see Calendar#FRIDAY
* @see Calendar#SATURDAY
* @see Calendar#SUNDAY
*
* @attr ref android.R.styleable#CalendarView_firstDayOfWeek
*/
public void setFirstDayOfWeek(int firstDayOfWeek) {
mDelegate.setFirstDayOfWeek(firstDayOfWeek);
}
/**
* Sets the listener to be notified upon selected date change.
*
* @param listener The listener to be notified.
*/
public void setOnDateChangeListener(OnDateChangeListener listener) {
mDelegate.setOnDateChangeListener(listener);
}
/**
* Gets the selected date in milliseconds since January 1, 1970 00:00:00 in
* {@link TimeZone#getDefault()} time zone.
*
* @return The selected date.
*/
public long getDate() {
return mDelegate.getDate();
}
/**
* Sets the selected date in milliseconds since January 1, 1970 00:00:00 in
* {@link TimeZone#getDefault()} time zone.
*
* @param date The selected date.
*
* @throws IllegalArgumentException of the provided date is before the
* minimal or after the maximal date.
*
* @see #setDate(long, boolean, boolean)
* @see #setMinDate(long)
* @see #setMaxDate(long)
*/
public void setDate(long date) {
mDelegate.setDate(date);
}
/**
* Sets the selected date in milliseconds since January 1, 1970 00:00:00 in
* {@link TimeZone#getDefault()} time zone.
*
* @param date The date.
* @param animate Whether to animate the scroll to the current date.
* @param center Whether to center the current date even if it is already visible.
*
* @throws IllegalArgumentException of the provided date is before the
* minimal or after the maximal date.
*
* @see #setMinDate(long)
* @see #setMaxDate(long)
*/
public void setDate(long date, boolean animate, boolean center) {
mDelegate.setDate(date, animate, center);
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
mDelegate.onConfigurationChanged(newConfig);
}
@Override
public CharSequence getAccessibilityClassName() {
return CalendarView.class.getName();
}
/**
* A delegate interface that defined the public API of the CalendarView. Allows different
* CalendarView implementations. This would need to be implemented by the CalendarView delegates
* for the real behavior.
*/
private interface CalendarViewDelegate {
void setShownWeekCount(int count);
int getShownWeekCount();
void setSelectedWeekBackgroundColor(@ColorInt int color);
@ColorInt int getSelectedWeekBackgroundColor();
void setFocusedMonthDateColor(@ColorInt int color);
@ColorInt int getFocusedMonthDateColor();
void setUnfocusedMonthDateColor(@ColorInt int color);
@ColorInt int getUnfocusedMonthDateColor();
void setWeekNumberColor(@ColorInt int color);
@ColorInt int getWeekNumberColor();
void setWeekSeparatorLineColor(@ColorInt int color);
@ColorInt int getWeekSeparatorLineColor();
void setSelectedDateVerticalBar(@DrawableRes int resourceId);
void setSelectedDateVerticalBar(Drawable drawable);
Drawable getSelectedDateVerticalBar();
void setWeekDayTextAppearance(@StyleRes int resourceId);
@StyleRes int getWeekDayTextAppearance();
void setDateTextAppearance(@StyleRes int resourceId);
@StyleRes int getDateTextAppearance();
void setMinDate(long minDate);
long getMinDate();
void setMaxDate(long maxDate);
long getMaxDate();
void setShowWeekNumber(boolean showWeekNumber);
boolean getShowWeekNumber();
void setFirstDayOfWeek(int firstDayOfWeek);
int getFirstDayOfWeek();
void setDate(long date);
void setDate(long date, boolean animate, boolean center);
long getDate();
void setOnDateChangeListener(OnDateChangeListener listener);
void onConfigurationChanged(Configuration newConfig);
}
/**
* An abstract class which can be used as a start for CalendarView implementations
*/
abstract static class AbstractCalendarViewDelegate implements CalendarViewDelegate {
/** The default minimal date. */
protected static final String DEFAULT_MIN_DATE = "01/01/1900";
/** The default maximal date. */
protected static final String DEFAULT_MAX_DATE = "01/01/2100";
protected CalendarView mDelegator;
protected Context mContext;
protected Locale mCurrentLocale;
AbstractCalendarViewDelegate(CalendarView delegator, Context context) {
mDelegator = delegator;
mContext = context;
// Initialization based on locale
setCurrentLocale(Locale.getDefault());
}
protected void setCurrentLocale(Locale locale) {
if (locale.equals(mCurrentLocale)) {
return;
}
mCurrentLocale = locale;
}
@Override
public void setShownWeekCount(int count) {
// Deprecated.
}
@Override
public int getShownWeekCount() {
// Deprecated.
return 0;
}
@Override
public void setSelectedWeekBackgroundColor(@ColorInt int color) {
// Deprecated.
}
@ColorInt
@Override
public int getSelectedWeekBackgroundColor() {
return 0;
}
@Override
public void setFocusedMonthDateColor(@ColorInt int color) {
// Deprecated.
}
@ColorInt
@Override
public int getFocusedMonthDateColor() {
return 0;
}
@Override
public void setUnfocusedMonthDateColor(@ColorInt int color) {
// Deprecated.
}
@ColorInt
@Override
public int getUnfocusedMonthDateColor() {
return 0;
}
@Override
public void setWeekNumberColor(@ColorInt int color) {
// Deprecated.
}
@ColorInt
@Override
public int getWeekNumberColor() {
// Deprecated.
return 0;
}
@Override
public void setWeekSeparatorLineColor(@ColorInt int color) {
// Deprecated.
}
@ColorInt
@Override
public int getWeekSeparatorLineColor() {
// Deprecated.
return 0;
}
@Override
public void setSelectedDateVerticalBar(@DrawableRes int resId) {
// Deprecated.
}
@Override
public void setSelectedDateVerticalBar(Drawable drawable) {
// Deprecated.
}
@Override
public Drawable getSelectedDateVerticalBar() {
// Deprecated.
return null;
}
@Override
public void setShowWeekNumber(boolean showWeekNumber) {
// Deprecated.
}
@Override
public boolean getShowWeekNumber() {
// Deprecated.
return false;
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
// Nothing to do here, configuration changes are already propagated
// by ViewGroup.
}
}
/** String for parsing dates. */
private static final String DATE_FORMAT = "MM/dd/yyyy";
/** Date format for parsing dates. */
private static final DateFormat DATE_FORMATTER = new SimpleDateFormat(DATE_FORMAT);
/**
* Utility method for the date format used by CalendarView's min/max date.
*
* @hide Use only as directed. For internal use only.
*/
public static boolean parseDate(String date, Calendar outDate) {
if (date == null || date.isEmpty()) {
return false;
}
try {
final Date parsedDate = DATE_FORMATTER.parse(date);
outDate.setTime(parsedDate);
return true;
} catch (ParseException e) {
Log.w(LOG_TAG, "Date: " + date + " not in format: " + DATE_FORMAT);
return false;
}
}
}