TASKPM/ganttzk/src/main/java/org/zkoss/ganttz/DatesMapperOnInterval.java

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2.3 KiB
Java

/*
* This file is part of NavalPlan
*
* Copyright (C) 2009 Fundación para o Fomento da Calidade Industrial e
* Desenvolvemento Tecnolóxico de Galicia
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*
*/
package org.zkoss.ganttz;
import java.util.Date;
import org.zkoss.ganttz.util.Interval;
public class DatesMapperOnInterval implements IDatesMapper {
private final int horizontalSize;
private final Interval stubInterval;
private long millisecondsPerPixel;
public DatesMapperOnInterval(int horizontalSize, Interval stubInterval) {
this.horizontalSize = horizontalSize;
this.stubInterval = stubInterval;
this.millisecondsPerPixel = stubInterval.getLengthBetween()
/ horizontalSize;
}
@Override
public Date toDate(int pixels) {
return new Date(stubInterval.getStart().getTime()
+ millisecondsPerPixel * pixels);
}
@Override
public int toPixels(Date date) {
double proportion = stubInterval.getProportion(date);
return (int) (horizontalSize * proportion);
}
@Override
public int toPixels(long milliseconds) {
Date date = new Date(stubInterval.getStart().getTime() + milliseconds);
return this.toPixels(date);
}
@Override
public int toPixelsAbsolute(long milliseconds) {
Date date = new Date(milliseconds);
return this.toPixels(date);
}
@Override
public long toMilliseconds(int pixels) {
return millisecondsPerPixel * pixels;
}
@Override
public long getMilisecondsPerPixel() {
return millisecondsPerPixel;
}
@Override
public int getHorizontalSize() {
return this.horizontalSize;
}
}