public Object setValue(Object aValue, int row) {
RDFProperty property = getPredicate(row);
Object oldValue = getValue(row);
if (oldValue == null || !oldValue.equals(aValue)) {
try {
Object newValue;
String str = aValue.toString();
OWLModel owlModel = property.getOWLModel();
if (owlModel.getOWLOntologyProperties().contains(property)) {
String message = str + " is not a valid URI.";
try {
new URI(str);
} catch (Exception ex) {
ProtegeUI.getModalDialogFactory().showErrorMessageDialog(owlModel, message);
return oldValue;
}
if (!str.startsWith("http://") && !str.startsWith("file:")) {
ProtegeUI.getModalDialogFactory().showErrorMessageDialog(owlModel, message);
return oldValue;
}
}
String lang = getLanguage(row);
if (aValue instanceof RDFSLiteral && ((RDFSLiteral) aValue).getLanguage() != null) {
newValue = aValue;
} else if (lang != null) {
newValue = createNewValue(property, str, lang);
} else if (oldValue instanceof RDFSLiteral) {
RDFSLiteral oldLiteral = (RDFSLiteral) oldValue;
newValue = getOWLModel().createRDFSLiteral(str, oldLiteral.getDatatype());
} else if (oldValue instanceof Boolean) {
newValue = Boolean.valueOf(str.equals("true"));
} else if (oldValue instanceof Float) {
newValue = Float.valueOf(str);
} else if (oldValue instanceof Integer) {
newValue = Integer.valueOf(str);
} else {
newValue = str;
}
if (!subject.getPropertyValues(property).contains(newValue)) {
if (oldValue != null) {
subject.removePropertyValue(property, oldValue);
}
subject.addPropertyValue(property, newValue);
}
return newValue;
} catch (NumberFormatException ex) {
// Ignore illegal number format
}
}
return oldValue;
}
public Object getValueAt(int rowIndex, int columnIndex) {
if (columnIndex == COL_PROPERTY) {
return getPredicate(rowIndex);
} else if (columnIndex == COL_VALUE) {
return getDisplayValue(rowIndex);
} else if (isTypeColumn(columnIndex)) {
Object value = getValue(rowIndex);
if (value instanceof RDFResource) {
return ((RDFResource) value).getRDFType();
} else if (value instanceof RDFSLiteral) {
return ((RDFSLiteral) value).getDatatype();
} else {
RDFSLiteral literal = DefaultRDFSLiteral.create(getOWLModel(), value);
return literal.getDatatype();
}
} else {
return getLanguage(rowIndex);
}
}