/**
* Find the Icon for a given model element.
*
* @return The Icon or <code>null</code> if there is no Icon.
* @param value The model element.
* <p>TODO: This should not use string matching on classnames to do this since this means that
* we have knowledge about how the model elements are implemented outside of the Model
* component.
*/
public Icon lookupIcon(Object value) {
if (value == null) {
throw new IllegalArgumentException("Attempted to get an icon given a null key");
}
if (value instanceof String) {
return null;
}
Icon icon = iconCache.get(value.getClass());
try {
if (Model.getFacade().isAPseudostate(value)) {
Object kind = Model.getFacade().getKind(value);
DataTypesHelper helper = Model.getDataTypesHelper();
if (helper.equalsINITIALKind(kind)) {
icon = initialStateIcon;
}
if (helper.equalsDeepHistoryKind(kind)) {
icon = deepIcon;
}
if (helper.equalsShallowHistoryKind(kind)) {
icon = shallowIcon;
}
if (helper.equalsFORKKind(kind)) {
icon = forkIcon;
}
if (helper.equalsJOINKind(kind)) {
icon = joinIcon;
}
if (helper.equalsCHOICEKind(kind)) {
icon = branchIcon;
}
if (helper.equalsJUNCTIONKind(kind)) {
icon = junctionIcon;
}
// if (MPseudostateKind.FINAL.equals(kind))
// icon = _FinalStateIcon;
}
if (Model.getFacade().isAAbstraction(value)) {
icon = realizeIcon;
}
if (Model.getFacade().isAException(value)) {
icon = exceptionIcon;
} else {
// needs more work: sending and receiving icons
if (Model.getFacade().isASignal(value)) {
icon = signalIcon;
}
}
if (Model.getFacade().isAComment(value)) {
icon = commentIcon;
}
if (icon == null) {
String cName = Model.getMetaTypes().getName(value);
icon = lookupIconResource(cName);
if (icon == null) {
LOG.log(Level.FINE, "Can't find icon for {0}", cName);
} else {
synchronized (iconCache) {
iconCache.put(value.getClass(), icon);
}
}
}
} catch (InvalidElementException e) {
LOG.log(Level.FINE, "Attempted to get icon for deleted element");
return null;
}
return icon;
}
