// $Id: ActionSetFlowSource.java 41 2010-04-03 20:04:12Z marcusvnac $
// Copyright (c) 1996-2006 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
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// $header$
package org.argouml.uml.ui.foundation.core;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.Collection;
import javax.swing.Action;
import org.argouml.i18n.Translator;
import org.argouml.model.Model;
import org.argouml.uml.ui.UMLComboBox2;
import org.tigris.gef.undo.UndoableAction;
/**
* @since Oct 12, 2002
* @author jaap.branderhorst@xs4all.nl
* @stereotype singleton
*/
public class ActionSetFlowSource extends UndoableAction {
private static final ActionSetFlowSource SINGLETON =
new ActionSetFlowSource();
/**
* Constructor for ActionSetElementOwnershipSpecification.
*/
protected ActionSetFlowSource() {
super(Translator.localize("Set"), null);
// Set the tooltip string:
putValue(Action.SHORT_DESCRIPTION,
Translator.localize("Set"));
}
/*
* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
*/
public void actionPerformed(ActionEvent e) {
super.actionPerformed(e);
if (e.getSource() instanceof UMLComboBox2) {
UMLComboBox2 source = (UMLComboBox2) e.getSource();
Object target = source.getTarget();
if (Model.getFacade().isAFlow(target)) {
Object flow = target;
Object old = null;
if (!Model.getFacade().getSources(flow).isEmpty()) {
old = Model.getFacade().getSources(flow).toArray()[0];
}
if (old != source.getSelectedItem()) {
if (source.getSelectedItem() != null) {
Collection sources = new ArrayList();
sources.add(source.getSelectedItem());
Model.getCoreHelper().setSources(flow, sources);
}
}
}
}
}
/**
* @return Returns the SINGLETON.
*/
public static ActionSetFlowSource getInstance() {
return SINGLETON;
}
}