/*
GanttProject is an opensource project management tool. License: GPL3
Copyright (C) 2011 GanttProject Team
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.action;
import java.awt.event.ActionEvent;
import net.sourceforge.ganttproject.gui.UIConfiguration;
import net.sourceforge.ganttproject.gui.UIFacade;
import net.sourceforge.ganttproject.task.TaskManager;
public class CalculateCriticalPathAction extends GPAction {
private final TaskManager myTaskManager;
private final static String ICON_PREFIX_ON = "criticalPathOn_";
private final static String ICON_PREFIX_OFF = "criticalPathOff_";
private final UIConfiguration myUIConfiguration;
private final UIFacade myUiFacade;
public CalculateCriticalPathAction(TaskManager taskManager, UIConfiguration uiConfiguration, UIFacade uiFacade) {
super("criticalPath.toggle");
myTaskManager = taskManager;
myUIConfiguration = uiConfiguration;
myUiFacade = uiFacade;
}
@Override
protected String getIconFilePrefix() {
return isOn() ? ICON_PREFIX_ON : ICON_PREFIX_OFF;
}
@Override
public void actionPerformed(ActionEvent e) {
setOn(!isOn());
updateAction();
if (isOn()) {
myTaskManager.processCriticalPath(myTaskManager.getRootTask());
}
myUiFacade.refresh();
}
private void setOn(boolean on) {
myUIConfiguration.setCriticalPathOn(on);
}
private boolean isOn() {
return myUIConfiguration == null ? false : myUIConfiguration.isCriticalPathOn();
}
@Override
public String getID() {
// Override ID, so the text will change depending on the state
return isOn() ? "criticalPath.action.hide" : "criticalPath.action.show";
}
}