public Object[] getElements(Object inputElement) {
if (inputElement == m_input) {
if (m_model == null) {
createModel();
}
return m_model.getElements().toArray(new Node[0]);
} else {
return new Object[0];
}
}
/**
* Obtain the schema from the m_input and compute the graph model with this schema.
*
* @return
*/
private void createModel() {
if (m_schema == null) {
if ((m_input != null) && (m_input.getDataSource() instanceof IOntology)) {
IOntology onto = (IOntology) m_input.getDataSource();
if (m_model == null) {
m_model = new GraphModel();
}
m_schema = m_content_service.getHierarchicalSchema(onto);
m_model.addData(m_schema);
}
}
}
public boolean hasChildren(Object element) {
if (m_model == null) {
createModel();
}
return m_model.hasChildren((Node) element);
}
public Object getParent(Object element) {
if (m_model == null) {
createModel();
}
return m_model.getParent((Node) element);
}
public Object[] getChildren(Object parentElement) {
if (m_model == null) {
createModel();
}
return m_model.getChildren((Node) parentElement);
}