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/*
* Copyright 2000-2022 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.v7.client.renderers;
import java.util.Date;
import com.google.gwt.i18n.client.TimeZone;
import com.google.gwt.i18n.shared.DateTimeFormat;
import com.google.gwt.i18n.shared.DateTimeFormat.PredefinedFormat;
import com.vaadin.v7.client.widget.grid.RendererCellReference;
/**
* A renderer for rendering dates into cells.
*
* @since 7.4
* @author Vaadin Ltd
*/
public class DateRenderer implements Renderer<Date> {
private DateTimeFormat format;
// Calendar is unavailable for GWT
@SuppressWarnings("deprecation")
private TimeZone timeZone = TimeZone
.createTimeZone(new Date().getTimezoneOffset());
public DateRenderer() {
this(PredefinedFormat.DATE_TIME_SHORT);
}
public DateRenderer(PredefinedFormat format) {
this(DateTimeFormat.getFormat(format));
}
public DateRenderer(DateTimeFormat format) {
setFormat(format);
}
@Override
public void render(RendererCellReference cell, Date date) {
String dateStr = format.format(date, timeZone);
cell.getElement().setInnerText(dateStr);
}
/**
* Gets the format of how the date is formatted.
*
* @return the format
* @see <a href=
* "http://www.gwtproject.org/javadoc/latest/com/google/gwt/i18n/shared/DateTimeFormat.html">GWT
* documentation on DateTimeFormat</a>
*/
public DateTimeFormat getFormat() {
return format;
}
/**
* Sets the format used for formatting the dates.
*
* @param format
* the format to set
* @see <a href=
* "http://www.gwtproject.org/javadoc/latest/com/google/gwt/i18n/shared/DateTimeFormat.html">GWT
* documentation on DateTimeFormat</a>
*/
public void setFormat(DateTimeFormat format) {
if (format == null) {
throw new IllegalArgumentException("Format should not be null");
}
this.format = format;
}
/**
* Returns the time zone of the date.
*
* @return the time zone
*/
public TimeZone getTimeZone() {
return timeZone;
}
/**
* Sets the time zone of the the date. By default uses the time zone of the
* browser.
*
* @param timeZone
* the timeZone to set
*/
public void setTimeZone(TimeZone timeZone) {
if (timeZone == null) {
throw new IllegalArgumentException("Timezone should not be null");
}
this.timeZone = timeZone;
}
}
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