/*
GanttProject is an opensource project management tool. License: GPL3
Copyright (C) 2010 Dmitry Barashev
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package net.sourceforge.ganttproject.chart.mouse;
import java.util.Date;
import biz.ganttproject.core.calendar.GPCalendarCalc;
import biz.ganttproject.core.calendar.walker.WorkingUnitCounter;
import biz.ganttproject.core.time.TimeDuration;
import biz.ganttproject.core.time.TimeUnit;
import biz.ganttproject.core.time.TimeUnitStack;
import net.sourceforge.ganttproject.chart.ChartModelBase;
import net.sourceforge.ganttproject.chart.ChartModelBase.ScrollingSession;
import net.sourceforge.ganttproject.chart.TimelineChart.VScrollController;
import net.sourceforge.ganttproject.task.TaskManager;
public class TimelineFacadeImpl implements MouseInteraction.TimelineFacade {
private final ChartModelBase myChartModel;
private final TaskManager myTaskManager;
private VScrollController myVScrollController;
public TimelineFacadeImpl(ChartModelBase chartModel, TaskManager taskManager) {
myChartModel = chartModel;
myTaskManager = taskManager;
}
@Override
public Date getDateAt(int x) {
return myChartModel.getOffsetAt(x).getOffsetStart();
}
@Override
public TimeDuration createTimeInterval(TimeUnit timeUnit, Date startDate, Date endDate) {
WorkingUnitCounter workingUnitCounter = new WorkingUnitCounter(getCalendar(), timeUnit);
if (startDate.before(endDate)) {
return workingUnitCounter.run(startDate, endDate);
}
return workingUnitCounter.run(endDate, startDate).reverse();
}
@Override
public TimeUnitStack getTimeUnitStack() {
return myChartModel.getTimeUnitStack();
}
@Override
public GPCalendarCalc getCalendar() {
return myTaskManager.getCalendar();
}
@Override
public Date getEndDateAt(int x) {
return myChartModel.getOffsetAt(x).getOffsetEnd();
}
@Override
public ScrollingSession createScrollingSession(final int xpos, final int ypos) {
return new ScrollingSession() {
private final ScrollingSession myDelegate = myChartModel.createScrollingSession(xpos);
private int myStartYpos = ypos;
@Override
public void scrollTo(int xpos, int ypos) {
myDelegate.scrollTo(xpos, ypos);
if (myVScrollController != null && myVScrollController.isScrollable()) {
myVScrollController.scrollBy(myStartYpos - ypos);
}
myStartYpos = ypos;
}
@Override
public void finish() {
myDelegate.finish();
}
};
}
public void setVScrollController(VScrollController vscrollController) {
myVScrollController = vscrollController;
}
}