@SuppressWarnings("unchecked")
private boolean getState() {
boolean doEnable = false;
final Diagram diagram =
null != getSession() ? getSession().getCanvasHandler().getDiagram() : null;
if (null != diagram) {
final Graph graph = diagram.getGraph();
if (null != graph) {
final String rootUUID = diagram.getMetadata().getCanvasRootUUID();
Iterable<Node> nodes = graph.nodes();
final boolean hasNodes = null != nodes && nodes.iterator().hasNext();
if (hasNodes) {
final Iterator<Node> nodesIt = nodes.iterator();
final Node node = nodesIt.next();
if (nodesIt.hasNext()) {
doEnable = true;
} else {
doEnable = null == rootUUID || !rootUUID.equals(node.getUUID());
}
}
}
}
return doEnable;
}
@Before
public void setup() throws Exception {
super.setup();
when(parent.getUUID()).thenReturn(PARENT_ID);
when(child.getUUID()).thenReturn(CHILD_ID);
this.tested = new RemoveCanvasChildCommand(parent, child);
}