/*
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.awt.event.MouseEvent;
import java.util.ArrayList;
import java.util.List;
import biz.ganttproject.core.time.TimeDuration;
import net.sourceforge.ganttproject.gui.UIFacade;
import net.sourceforge.ganttproject.task.Task;
import net.sourceforge.ganttproject.task.TaskMutator;
import net.sourceforge.ganttproject.task.algorithm.RecalculateTaskScheduleAlgorithm;
import net.sourceforge.ganttproject.task.dependency.TaskDependencyException;
public class MoveTaskInteractions extends MouseInteractionBase implements MouseInteraction {
private final List<Task> myTasks;
private final List<TaskMutator> myMutators;
private final UIFacade myUiFacade;
private final RecalculateTaskScheduleAlgorithm myTaskScheduleAlgorithm;
public MoveTaskInteractions(MouseEvent e, List<Task> tasks, TimelineFacade chartDateGrid, UIFacade uiFacade,
RecalculateTaskScheduleAlgorithm taskScheduleAlgorithm) {
super(chartDateGrid.getDateAt(e.getX()), chartDateGrid);
myUiFacade = uiFacade;
myTasks = tasks;
myTaskScheduleAlgorithm = taskScheduleAlgorithm;
myMutators = new ArrayList<TaskMutator>(tasks.size());
for (Task t : tasks) {
myMutators.add(t.createMutator());
}
}
@Override
public void apply(MouseEvent event) {
TimeDuration currentInterval = getLengthDiff(event);
if (currentInterval.getLength() != 0) {
for (TaskMutator mutator : myMutators) {
mutator.shift(currentInterval);
}
setStartDate(getChartDateGrid().getDateAt(event.getX()));
}
}
@Override
public void finish() {
for (TaskMutator mutator : myMutators) {
mutator.setIsolationLevel(TaskMutator.READ_COMMITED);
}
myUiFacade.getUndoManager().undoableEdit("Task moved", new Runnable() {
@Override
public void run() {
doFinish();
}
});
}
private void doFinish() {
for (TaskMutator mutator : myMutators) {
mutator.commit();
}
try {
myTaskScheduleAlgorithm.run();
} catch (TaskDependencyException e) {
myUiFacade.showErrorDialog(e);
}
for (Task t : myTasks) {
t.applyThirdDateConstraint();
}
myUiFacade.getActiveChart().reset();
}
}