/* $Id: ActionLayout.java 17881 2010-01-12 21:09:28Z linus $
*****************************************************************************
* Copyright (c) 2009 Contributors - see below
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* tfmorris
*****************************************************************************
*
* Some portions of this file was previously release using the BSD License:
*/
// Copyright (c) 1996,2009 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
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
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package org.argouml.uml.ui;
import java.awt.event.ActionEvent;
import javax.swing.Action;
import org.argouml.i18n.Translator;
import org.argouml.ui.UndoableAction;
import org.argouml.ui.targetmanager.TargetManager;
import org.argouml.uml.diagram.ArgoDiagram;
import org.argouml.uml.diagram.DiagramUtils;
import org.argouml.uml.diagram.activity.layout.ActivityDiagramLayouter;
import org.argouml.uml.diagram.activity.ui.UMLActivityDiagram;
import org.argouml.uml.diagram.layout.Layouter;
import org.argouml.uml.diagram.static_structure.layout.ClassdiagramLayouter;
import org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram;
/**
* Action to automatically lay out a diagram.
*
*/
public class ActionLayout extends UndoableAction {
/**
* The constructor.
*/
public ActionLayout() {
super(Translator.localize("action.layout"), null);
// Set the tooltip string:
putValue(Action.SHORT_DESCRIPTION,
Translator.localize("action.layout"));
}
/**
* Check whether we deal with a supported diagram type (currently only Class
* and Activity diagrams).
* <p>
* NOTE: This is only called at initialization time by Swing, so the
* application is responsible for checking when the current diagram changes.
* Currently done in
* {@link org.argouml.ui.cmd.GenericArgoMenuBar#setTarget()}.
*
* @return true if the action is enabled
*/
@Override
public boolean isEnabled() {
ArgoDiagram d;
Object target = TargetManager.getInstance().getTarget();
if (target instanceof ArgoDiagram) {
d = (ArgoDiagram) target;
} else {
d = DiagramUtils.getActiveDiagram();
}
if (d instanceof UMLClassDiagram
|| d instanceof UMLActivityDiagram) {
return true;
}
return false;
}
/*
* This action performs the layout and triggers a redraw of the editor pane.
*
* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
*/
@Override
public void actionPerformed(ActionEvent ae) {
super.actionPerformed(ae);
ArgoDiagram diagram = DiagramUtils.getActiveDiagram();
Layouter layouter;
if (diagram instanceof UMLClassDiagram) {
layouter = new ClassdiagramLayouter(diagram);
} else if (diagram instanceof UMLActivityDiagram) {
layouter =
new ActivityDiagramLayouter(diagram);
} else {
return;
}
// Rearrange the diagram layout
layouter.layout();
diagram.damage();
}
}