/* $Id: FigAssociationRole.java 18712 2010-08-31 15:44:03Z bobtarling $
*****************************************************************************
* 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:
* bobtarling
*****************************************************************************
*
* 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
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
package org.argouml.uml.diagram.collaboration.ui;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.argouml.notation.NotationProviderFactory2;
import org.argouml.uml.diagram.DiagramEdgeSettings;
import org.argouml.uml.diagram.DiagramSettings;
import org.argouml.uml.diagram.ui.ArgoFigGroup;
import org.argouml.uml.diagram.ui.FigAssociation;
import org.argouml.uml.diagram.ui.FigMessage;
import org.argouml.uml.diagram.ui.PathItemPlacement;
import org.tigris.gef.presentation.Fig;
/**
* This class represents the Fig of an AssociationRole
* for a collaboration diagram.
*
*/
public class FigAssociationRole extends FigAssociation {
private FigMessageGroup messages;
/**
* Construct an AssociationRole fig with the given properties and diagram
* settings.
*
* @param diagramEdgeSettings the properties of the edge
* @param settings render settings
*/
public FigAssociationRole(
final DiagramEdgeSettings diagramEdgeSettings,
final DiagramSettings settings) {
super(diagramEdgeSettings, settings);
messages = new FigMessageGroup(getOwner(), settings);
addPathItem(messages, new PathItemPlacement(this, messages, 50, 10));
}
/*
* @see org.argouml.uml.diagram.ui.FigEdgeModelElement#getNotationProviderType()
*/
protected int getNotationProviderType() {
return NotationProviderFactory2.TYPE_ASSOCIATION_ROLE;
}
/**
* @param message the message to be added
*/
public void addMessage(FigMessage message) {
messages.addFig(message);
updatePathItemLocations();
messages.damage();
}
@Override
public void computeRouteImpl() {
super.computeRouteImpl();
messages.updateArrows();
}
} /* end class FigAssociationRole */
/**
* A Fig for the group of Messages shown above the Association Role.
*/
class FigMessageGroup extends ArgoFigGroup {
/**
* The constructor.
*
* @param owner the UML Message object
* @param settings rendering properties
*/
public FigMessageGroup(Object owner, DiagramSettings settings) {
super(owner, settings);
}
private void updateFigPositions() {
Collection figs = getFigs(); // the figs that make up this group
Iterator it = figs.iterator();
if (!figs.isEmpty()) {
FigMessage previousFig = null;
for (int i = 0; it.hasNext(); i++) {
FigMessage figMessage = (FigMessage) it.next();
int y;
if (i != 0) {
y = previousFig.getY() + previousFig.getHeight() + 5;
} else {
y = getY();
}
figMessage.setLocation(getX(), y);
figMessage.endTrans();
previousFig = figMessage;
}
}
}
/*
* @see org.tigris.gef.presentation.Fig#calcBounds()
*/
public void calcBounds() {
super.calcBounds();
Collection figs = getFigs();
if (!figs.isEmpty()) {
Fig last = null;
Fig first = null;
// _x = first.getX();
// _y = first.getY();
_w = 0;
Iterator it = figs.iterator();
int size = figs.size();
for (int i = 0; i < size; i++) {
Fig fig = (Fig) it.next();
if (i == 0) {
first = fig;
}
if (i == size - 1) {
last = fig;
}
if (fig.getWidth() > _w) {
_w = fig.getWidth();
}
}
_h = last.getY() + last.getHeight() - first.getY();
} else {
_w = 0;
_h = 0;
}
}
/*
* @see org.tigris.gef.presentation.FigGroup#addFig(Fig)
*/
@Override
public void addFig(Fig f) {
super.addFig(f);
updateFigPositions();
updateArrows();
calcBounds();
}
void updateArrows() {
for (FigMessage fm : (List<FigMessage>) getFigs()) {
fm.updateArrow();
}
}
}