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- /*
- * Copyright 2000-2018 Vaadin Ltd.
- *
- * 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.vaadin.ui;
-
- import java.time.Instant;
- import java.time.LocalDateTime;
- import java.time.ZoneOffset;
- import java.time.format.DateTimeFormatter;
- import java.time.format.FormatStyle;
- import java.time.temporal.ChronoUnit;
- import java.time.temporal.TemporalAccessor;
- import java.util.Date;
- import java.util.Locale;
- import java.util.Map;
-
- import com.vaadin.data.validator.DateTimeRangeValidator;
- import com.vaadin.data.validator.RangeValidator;
- import com.vaadin.shared.ui.datefield.AbstractTextualDateFieldState;
- import com.vaadin.shared.ui.datefield.DateTimeResolution;
-
- /**
- * Abstract DateField class for {@link LocalDateTime} type.
- *
- * @author Vaadin Ltd
- *
- * @since 8.0
- */
- public abstract class AbstractLocalDateTimeField
- extends AbstractDateField<LocalDateTime, DateTimeResolution> {
-
- /**
- * Constructs an empty <code>AbstractLocalDateTimeField</code> with no
- * caption.
- */
- public AbstractLocalDateTimeField() {
- super(DateTimeResolution.MINUTE);
- }
-
- /**
- * Constructs an empty <code>AbstractLocalDateTimeField</code> with caption.
- *
- * @param caption
- * the caption of the datefield.
- */
- public AbstractLocalDateTimeField(String caption) {
- super(caption, DateTimeResolution.MINUTE);
- }
-
- /**
- * Constructs a new <code>AbstractLocalDateTimeField</code> with the given
- * caption and initial text contents.
- *
- * @param caption
- * the caption <code>String</code> for the editor.
- * @param value
- * the LocalDateTime value.
- */
- public AbstractLocalDateTimeField(String caption, LocalDateTime value) {
- super(caption, value, DateTimeResolution.MINUTE);
- }
-
- @Override
- protected AbstractTextualDateFieldState getState() {
- return (AbstractTextualDateFieldState) super.getState();
- }
-
- @Override
- protected AbstractTextualDateFieldState getState(boolean markAsDirty) {
- return (AbstractTextualDateFieldState) super.getState(markAsDirty);
- }
-
- @Override
- protected int getDatePart(LocalDateTime date,
- DateTimeResolution resolution) {
- LocalDateTime value = date;
- if (value == null) {
- value = LocalDateTime.of(1, 1, 1, 0, 0);
- }
- switch (resolution) {
- case DAY:
- return value.getDayOfMonth();
- case MONTH:
- return value.getMonthValue();
- case YEAR:
- return value.getYear();
- case HOUR:
- return value.getHour();
- case MINUTE:
- return value.getMinute();
- case SECOND:
- return value.getSecond();
- default:
- assert false : "Unexpected resolution argument " + resolution;
- return -1;
- }
- }
-
- @Override
- protected RangeValidator<LocalDateTime> getRangeValidator() {
- return new DateTimeRangeValidator(getDateOutOfRangeMessage(),
- getDate(getRangeStart(), getResolution()),
- getDate(getRangeEnd(), getResolution()));
- }
-
- @Override
- protected LocalDateTime buildDate(
- Map<DateTimeResolution, Integer> resolutionValues) {
- return LocalDateTime.of(resolutionValues.get(DateTimeResolution.YEAR),
- resolutionValues.getOrDefault(DateTimeResolution.MONTH, 1),
- resolutionValues.getOrDefault(DateTimeResolution.DAY, 1),
- resolutionValues.getOrDefault(DateTimeResolution.HOUR, 0),
- resolutionValues.getOrDefault(DateTimeResolution.MINUTE, 0),
- resolutionValues.getOrDefault(DateTimeResolution.SECOND, 0));
- }
-
- @Override
- protected LocalDateTime convertFromDate(Date date) {
- if (date == null) {
- return null;
- }
- return Instant.ofEpochMilli(date.getTime()).atZone(ZoneOffset.UTC)
- .toLocalDateTime();
- }
-
- @Override
- protected Date convertToDate(LocalDateTime date) {
- if (date == null) {
- return null;
- }
- return Date.from(date.toInstant(ZoneOffset.UTC));
- }
-
- private LocalDateTime getDate(LocalDateTime date,
- DateTimeResolution forResolution) {
- if (date == null) {
- return null;
- }
- switch (forResolution) {
- case YEAR:
- return date.withDayOfYear(1).toLocalDate().atStartOfDay();
- case MONTH:
- return date.withDayOfMonth(1).toLocalDate().atStartOfDay();
- case DAY:
- return date.toLocalDate().atStartOfDay();
- case HOUR:
- return date.truncatedTo(ChronoUnit.HOURS);
- case MINUTE:
- return date.truncatedTo(ChronoUnit.MINUTES);
- case SECOND:
- return date.truncatedTo(ChronoUnit.SECONDS);
- default:
- assert false : "Unexpected resolution argument " + forResolution;
- return null;
- }
- }
-
- @Override
- protected String formatDate(LocalDateTime value) {
- if (value == null) {
- return "";
- }
- DateTimeFormatter dateTimeFormatter = DateTimeFormatter
- .ofLocalizedDateTime(FormatStyle.SHORT);
- Locale locale = getLocale();
- if (locale != null) {
- dateTimeFormatter = dateTimeFormatter.withLocale(locale);
- }
- return value.format(dateTimeFormatter);
- }
-
- @Override
- protected LocalDateTime toType(TemporalAccessor temporalAccessor) {
- return temporalAccessor == null ? null
- : LocalDateTime.from(temporalAccessor);
- }
- }
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