// $Id: UMLReceptionSignalComboBoxModel.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
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// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
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// exclusively on the program for any reason. IN NO EVENT SHALL THE
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package org.argouml.uml.ui.behavior.common_behavior;
import java.util.Collection;
import org.argouml.kernel.Project;
import org.argouml.kernel.ProjectManager;
import org.argouml.model.Model;
import org.argouml.model.RemoveAssociationEvent;
import org.argouml.model.UmlChangeEvent;
import org.argouml.uml.ui.UMLComboBoxModel2;
/**
* The model for the signal combobox on the reception proppanel.
*/
public class UMLReceptionSignalComboBoxModel extends UMLComboBoxModel2 {
/**
* Constructor for UMLReceptionSignalComboBoxModel.
*/
public UMLReceptionSignalComboBoxModel() {
super("signal", false);
Model.getPump().addClassModelEventListener(this,
Model.getMetaTypes().getNamespace(), "ownedElement");
}
/*
* @see org.argouml.uml.ui.UMLComboBoxModel2#buildModelList()
*/
protected void buildModelList() {
Object target = getTarget();
if (Model.getFacade().isAReception(target)) {
Object rec = /*(MReception)*/ target;
removeAllElements();
Project p = ProjectManager.getManager().getCurrentProject();
Object model = p.getRoot();
setElements(Model.getModelManagementHelper()
.getAllModelElementsOfKindWithModel(
model,
Model.getMetaTypes().getSignal()));
setSelectedItem(Model.getFacade().getSignal(rec));
}
}
/*
* @see org.argouml.uml.ui.UMLComboBoxModel2#isValidElement(Object)
*/
protected boolean isValidElement(Object m) {
return Model.getFacade().isASignal(m);
}
/*
* @see org.argouml.uml.ui.UMLComboBoxModel2#getSelectedModelElement()
*/
protected Object getSelectedModelElement() {
if (getTarget() != null) {
return Model.getFacade().getSignal(getTarget());
}
return null;
}
/**
* Override UMLComboBoxModel2's default handling of RemoveAssociation. We
* get this from MDR for the previous signal when a different signal is
* selected. Don't let that remove it from the combo box. Only remove it if
* the signal was removed from the namespace.
* <p>
* @param evt the event describing the property change
*/
public void modelChanged(UmlChangeEvent evt) {
if (evt instanceof RemoveAssociationEvent) {
if ("ownedElement".equals(evt.getPropertyName())) {
Object o = getChangedElement(evt);
if (contains(o)) {
buildingModel = true;
if (o instanceof Collection) {
removeAll((Collection) o);
} else {
removeElement(o);
}
buildingModel = false;
}
}
} else {
super.propertyChange(evt);
}
}
}