/*******************************************************************************
* Copyright (c) 2013 Luigi Sgro. All rights reserved. This
* program and the accompanying materials are made available under the terms of
* the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Luigi Sgro - initial API and implementation
******************************************************************************/
package com.quantcomponents.chart.series.scale;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import com.quantcomponents.chart.IMark;
import com.quantcomponents.chart.series.TimeScale;
import com.quantcomponents.chart.series.TimeMark;
/**
* Generates ten minutes marks on a time axis
*/
public class TenMinutesScale extends TimeScale {
public TenMinutesScale(TimeZone timeZone) {
super(Calendar.MINUTE, 10, timeZone, 10L * 60L * 1000L);
}
@Override
public IMark<Date> previousMark(Date date) {
cal.setTime(date);
cal.set(Calendar.MILLISECOND, 0);
cal.set(Calendar.SECOND, 0);
int rem = cal.get(Calendar.MINUTE) % 10;
if (rem > 0) {
cal.add(Calendar.MINUTE, -rem);
}
return new TimeMark(this, cal.getTime());
}
@Override
protected TimeScale buildParent(TimeZone timeZone) {
return new DayScale(timeZone);
}
}