SelectionMessage.java
/* $Id$
*****************************************************************************
* Copyright (c) 2009-2012 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:
* Bob Tarling
* Christian L\u00f3pez Esp\u00ednola
*****************************************************************************
*
* Some portions of this file was previously release using the BSD License:
*/
// Copyright (c) 2007 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
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
package org.argouml.sequence2.diagram;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.util.List;
import java.util.logging.Logger;
import org.argouml.uml.diagram.ui.FigEdgeModelElement;
import org.argouml.uml.diagram.ui.SelectionRerouteEdge;
import org.tigris.gef.presentation.Fig;
import org.tigris.gef.presentation.Handle;
/**
* A custom select object to handle the special requirements of
* rerouting, reshaping or dragging a message.
* @author penyaskito
*/
class SelectionMessage extends SelectionRerouteEdge {
/**
* Logger.
*/
private static final Logger LOG =
Logger.getLogger(SelectionMessage.class.getName());
/**
* The constructor.
*
* @param feme the fig.
*/
public SelectionMessage(FigEdgeModelElement feme) {
super(feme);
}
@Override
public void keyPressed(KeyEvent ke) {
if (ke.getKeyCode() == KeyEvent.VK_LEFT
|| ke.getKeyCode() == KeyEvent.VK_RIGHT) {
// we don't let the user move the messages horizontally.
ke.consume();
} else {
handleMovement();
}
}
@Override
public void mousePressed(MouseEvent me) {
FigMessage message = (FigMessage) getContent();
if (!message.isSelfMessage()) {
super.mousePressed(me);
}
}
@Override
public void dragHandle(int x, int y, int w, int h, Handle handle) {
FigMessage message = (FigMessage) getContent();
if (message.isSelfMessage()) {
message.translate(0, y - message.getY());
} else {
super.dragHandle(x, y, w, h, handle);
handleMovement();
}
}
private void handleMovement() {
FigMessage figMessage = (FigMessage) getContent();
FigClassifierRole source =
(FigClassifierRole) figMessage.getSourceFigNode();
FigClassifierRole dest =
(FigClassifierRole) figMessage.getDestFigNode();
// if the edge is near the bottom of the classifier roles,
// we enlarge all the FigClassifierRoles in the diagram.
if (figMessage.getFinalY() >
source.getY() + source.getHeight() - 10) {
final int newHeight = source.getHeight() + 10;
final List<Fig> figs = getContent().getLayer().getContents();
for (Fig workOnFig : figs) {
if (workOnFig instanceof FigClassifierRole) {
workOnFig.setHeight(newHeight);
}
}
}
dest.positionHead(figMessage);
// we recalculate all the activations
source.createActivations();
if (!figMessage.isSelfMessage()) {
dest.createActivations();
}
}
}